CN113288192A - CT head scanning fixing device - Google Patents
CT head scanning fixing device Download PDFInfo
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- CN113288192A CN113288192A CN202110664946.8A CN202110664946A CN113288192A CN 113288192 A CN113288192 A CN 113288192A CN 202110664946 A CN202110664946 A CN 202110664946A CN 113288192 A CN113288192 A CN 113288192A
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- 238000002591 computed tomography Methods 0.000 claims abstract description 6
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- 238000007789 sealing Methods 0.000 claims description 14
- 229920001821 foam rubber Polymers 0.000 claims description 10
- 230000002146 bilateral effect Effects 0.000 claims description 3
- 239000012535 impurity Substances 0.000 abstract 1
- 210000003128 head Anatomy 0.000 description 88
- 238000000034 method Methods 0.000 description 22
- 238000001514 detection method Methods 0.000 description 19
- 230000008569 process Effects 0.000 description 19
- 208000027418 Wounds and injury Diseases 0.000 description 13
- 230000006378 damage Effects 0.000 description 9
- 208000014674 injury Diseases 0.000 description 8
- 239000002023 wood Substances 0.000 description 6
- 230000000694 effects Effects 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 239000003814 drug Substances 0.000 description 3
- 238000007689 inspection Methods 0.000 description 3
- 210000004761 scalp Anatomy 0.000 description 3
- 238000009423 ventilation Methods 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 235000013559 Schnittsellerie Nutrition 0.000 description 1
- 244000169997 Schnittsellerie Species 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000001815 facial effect Effects 0.000 description 1
- 230000003699 hair surface Effects 0.000 description 1
- 230000000147 hypnotic effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000002040 relaxant effect Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 239000000932 sedative agent Substances 0.000 description 1
- 230000001624 sedative effect Effects 0.000 description 1
- 239000000741 silica gel Substances 0.000 description 1
- 229910002027 silica gel Inorganic materials 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B6/00—Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment
- A61B6/04—Positioning of patients; Tiltable beds or the like
- A61B6/0407—Supports, e.g. tables or beds, for the body or parts of the body
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B6/00—Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment
- A61B6/02—Arrangements for diagnosis sequentially in different planes; Stereoscopic radiation diagnosis
- A61B6/03—Computed tomography [CT]
- A61B6/032—Transmission computed tomography [CT]
- A61B6/035—Mechanical aspects of CT
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Abstract
The invention belongs to the technical field of medical instruments, and particularly relates to a CT head scanning and fixing device which comprises a bed plate, a fixing body, a first groove, a first pillow, a fixing plate, a first spongy cushion, a second spongy cushion and a fixing block; the fixing body is arranged at a position close to the upper surface of a bed plate of the CT scanning equipment, and the fixing block is arranged on the impurity fixing body; the fixing block is pressed to move downwards along the first cavity, so that the position of the head of a patient is automatically adjusted, the fixing block is pressed to move downwards, the component force, perpendicular to the surface of the fixing plate, of the fixing plate is gradually increased, the fixing plate is pressed to drive the first rod to rotate, the second sponge cushion on the fixing plate is in contact with the side face of the head of the patient, and the head of the patient is further fixed.
Description
Technical Field
The invention belongs to the technical field of medical instruments, and particularly relates to a CT head scanning fixing device.
Background
In the CT, an X-ray beam is used to scan a certain thickness of a layer of a human body, and a detector receives the X-ray transmitted through the layer, and after the X-ray is converted into visible light, the visible light is converted into an electrical signal by photoelectric conversion, and the electrical signal is converted into a digital signal by a digital converter and then input into a computer for processing. When doing head CT scanning inspection, the position posture that must keep a period of time is unchangeable, if there is the change, the image that the scanning was come out will appear the artifact, cause the testing result inaccurate, not only waste time, still can influence other patients' inspection, when the patient is children, mostly can let it take hypnotic or sedative medicine, however, the fundamental problem can not be solved to the medicine of taking, the medicine also has certain harm to children how much or not, and, can produce certain noise among the CT scanning inspection process, the noise can make the patient produce psychological pressure, cause not good treatment environment. The conventional head fixing device only fixes the head, but the position of the head is affected even if the body is changed, and particularly, if the body of a child is not fixed, the subsequent examination is difficult.
The technical scheme of a patent about the CT head scanning fixing device also appears in the prior art, and a chinese patent with application number CN2017204216555 discloses a CT head scanning fixing device, which comprises a bed body, the bed body comprises a bed plate and bed legs, wherein the bottom of the bed plate is provided with the bed legs, a head pillow is installed at the middle part of one side of the top of the bed plate, first supporting wood plates are fixed at the two sides of the head pillow, the top of the first supporting wood plate is connected with a second supporting wood plate through a plastic hinge, a second silica gel limiting block is bonded at one opposite side of the two second supporting wood plates, a fixed block is arranged at the top of one second supporting wood plate, a head bandage is fixed at the top of the fixed block, a magic tape hair surface is sewn at the bottom surface of the head bandage far away from the fixed block, a magic tape hook surface is bonded at the upper part of the outer side of the second supporting wood plate, a neck pillow is arranged at the side of the head pillow, the neck pillow comprises a pillow core and a pillow case, wherein the pillow case is sleeved outside the pillow core. The utility model has novel structure, ingenious design, reasonable structure, good fixing effect and convenient operation, and is suitable for popularization; however, the above invention still has the defects that when a patient to be detected is fixed by the fixing device, if the patient is a young child, the patient feels uncomfortable and violently struggles after the fixation, the head of the patient and the fixing device are easily damaged, and if the patient leaves long hairs, the scattered long hairs are easily wound on the hook-and-loop surface of the magic tape, so that the fixing device is inconvenient to remove; so that the technical solution is limited.
In view of the above, the present invention provides a CT head scanning fixing device to solve the above technical problems.
Disclosure of Invention
In order to make up the defects of the prior art, the problem that when the prior CT head scanning fixing device works, when a patient is a child with a small age, the patient feels uncomfortable and violently struggles after being fixed, and the head of the patient is easily injured by the fixing device is solved; and easily causes injury to patients with long hairs; the invention provides a fixing device for CT head scanning.
The technical scheme adopted by the invention for solving the technical problems is as follows: the invention relates to a CT head scanning fixing device which comprises a bed plate, a fixing body, a first groove, a first pillow, a fixing plate, a first spongy cushion, a second spongy cushion and a fixing block, wherein the bed plate is arranged on the bed plate; the fixing body is arranged at a position close to the upper surface of a bed plate of the CT scanning equipment, the fixing block is arranged on the fixing body, the first pillow is fixed at a position close to the fixing block on the upper surface of the bed plate, and elastic anti-skidding lugs are uniformly arranged on the surface of the first pillow; the upper surface of the fixing body is provided with a first groove, the section of the first groove is semicircular, a first cavity is arranged in the middle of the first groove, the bottom of the fixing block is embedded into the first cavity and is connected with the surface of the bottom of the first cavity through a spring, high-pressure gas is filled in the first cavity, and the first cavity is communicated with an external gas source; install a foam-rubber cushion on the fixed block, fixed block bilateral symmetry is equipped with a pole, a pole rotates with the fixed block to be connected, a rod end all is equipped with the fixed plate, the relative surface of fixed plate all is equipped with No. two foam-rubber cushions, the fixed plate through a spring with a inslot surface links to each other, just a spring slope sets up.
When the medical bed is in use, a patient lies on the bed board, so that the head of the patient is rested on the first sponge pad above the fixed block, and the head of the patient is limited by the first groove, so that the head of the patient is fixed; the back neck part of the patient is contacted with the first pillow, so that on one hand, the back neck part of the patient is supported, the comfort level of the patient fixed on the bed plate is improved, on the other hand, the friction force between the back neck part of the patient and the first pillow is increased through the anti-skidding lugs uniformly arranged on the surface of the first pillow, and the patient is further fixed; when the head of a patient extrudes the fixing block, the fixing block is pressed to move downwards along the first chamber, so that the position of the head of the patient is automatically adjusted, and an operator can supply air to the first chamber through an external air source so as to adjust the height of the fixing block; when the fixed block moves downwards under the pressure of the first spring, the fixed plate on the fixed block moves downwards along with the fixed block, and the first spring connected with the fixed plate rotates at the moment, so that the included angle between the first spring and the fixed plate is increased; therefore, the component force which is applied to the fixed plate and is vertical to the surface of the fixed plate is gradually increased, and at the moment, the fixed plate is pressed to drive the first rod to rotate, so that the second spongy cushion on the fixed plate is contacted with the side surface of the head of the patient, and the head of the patient is further fixed; when a part of active children are used as patients to carry out CT detection, the heads of the children can be effectively fixed through the fixing device, and the situation that the children move randomly in the detection process to influence the accuracy of the detection result is avoided; and fixed plate and fixed block all are elastic fixation, and when children swung at the in-process small-amplitude of waiting for to detect, fixed plate and fixed block homoenergetic carried out the swing of small-amplitude, avoided children's head the uncomfortable condition of rigidity to appear, and fixed too closely lead to children to cause the wound to the head struggling the in-process on the contrary easily.
Preferably, the position on the fixed body corresponding to the fixed plate is provided with a second cavity, a piston plate is installed in the second cavity, the piston plate is connected with the inner surface of the second cavity through a spring, a support rod is arranged on the piston plate, the end part of the support rod is embedded into a T-shaped groove formed in the surface of the fixed plate, and the inside of the second cavity is communicated with the bottom of the first cavity through a first channel.
When the air pressure adjusting device works, when the fixing block is pressed to move downwards, a part of air in the first chamber is pressed to flow into the second chamber along the first channel, so that the air pressure in the second chamber is increased; therefore, the piston plate is pressed to drive the supporting rod to move, so that the supporting rod slides in the T-shaped groove on the fixing plate while moving along with the piston plate, and the fixing plate is further pressed, so that the second sponge cushion on the fixing plate is in closer contact with the side surface of the head of the patient, and the head of the patient is further fixed; the patient's unintentional swing is limited by the fixed plate, so that the patient remains still to coordinate with the CT examination; the patient can move forcefully and overcome the obstruction of the fixing plate after the doctor agrees because of the stiffness of the part near the head, and the fixing plate is pressed to drive the supporting rod to move in a small range, so that the patient has the chance of relaxing by matching with the movement of the patient; and after the patient is loosened, the supporting rod drives the fixing plate to reset along with the recovery of the posture of the patient, so that the head of the patient is recovered to be fixed.
Preferably, a second groove is formed in the position, close to the top, in the T-shaped groove, the second groove is communicated with a gap between the fixed plate and the second sponge cushion, a pressing plate is arranged in the second groove, one end of the pressing plate is rotatably connected with the side wall of the second groove, and the other end of the pressing plate is connected with the inner surface of the T-shaped groove through a spring.
When the patient fixing device works, when the end part of the supporting rod continuously moves to the second groove on the T-shaped groove, the pressing plate in the second groove is pressed, so that the pressing plate swings in the second groove and presses the second spongy cushion, the second spongy cushion is pressed to deform and further presses the patient, the friction force between the patient and the second spongy cushion is increased, and the patient is further fixed; and because No. two trench are located the position that is close to the top on the T type groove, consequently No. two spongy cushion effects of pivoted clamp plate are close to facial position, when avoiding patient's head to rock about, play the hindrance effect to the action that patient's head left the fixed block for patient's head further keeps stable accepting the in-process that detects.
Preferably, the position that the fixed block top is close to the edge evenly is equipped with a set of No. three grooves, No. three inslots all are equipped with fixed hook piece, fixed hook piece with No. three grooves rotate to be connected, just fixed hook piece is equipped with locking device with the joint portion in No. three grooves, locking device is through setting up the controller control in the external world.
When the device works, when a patient is a woman with long hairs scattered, the problem that the long hairs are too scattered and embedded into gaps of the fixing device in the detection process, so that the patient forcibly tears to hurt the hair and the scalp of the patient when the fixing device is unfastened and bad experience of the patient is caused is avoided; after the fixed hook block is adjusted to a proper angle by rotating the fixed hook block, the locking device is started through the controller, so that the fixed hook block is fixed; then, the long hair of the patient is hung on the fixed hook block, and in the detection process, the hair of the patient can be limited by the fixed hook block, so that the phenomenon that the long hair is wound on the fixed device due to random scattering and discomfort of the patient is caused is avoided; the fixed hook block is contacted with the first spongy cushion after rotating, so that the first spongy cushion can be fixed, and the first spongy cushion is prevented from deforming and shifting after being used for a long time, so that the fixation of the head of a patient is influenced; in addition, when the fixed hook block is not needed, the fixed hook block can be rotated to enable the end part of the fixed hook block to face downwards, so that the situation that an active patient swings randomly when receiving fixation and is likely to collide with the end part of the fixed hook block to cause injury to the head of the patient is avoided.
Preferably, a group of conical blocks are uniformly arranged on the surface, close to the first sponge pad, of the fixing hook block, and the hair of the detector is further fixed through the conical blocks.
When the hair fixing device works, when long hair of a patient is placed on the fixing hook blocks, the hair is scattered to gaps among the conical blocks, so that the friction force between the hair and the fixing hook blocks is increased, the long hair of the patient is further fixed, and the hair of the patient is prevented from being scattered randomly and wound together with the fixing device to cause injury to the patient; in addition, when the fixed hook block is rotated to be contacted with the spongy cushion, the conical block extrudes the spongy cushion along with the fixed hook block and enables the spongy cushion to deform under pressure, the end part of the conical block is embedded into the spongy cushion at the moment, and the friction force between the fixed hook block and the spongy cushion is further increased, so that the edge part of the spongy cushion is further fixed, the deformation of the spongy cushion in the long-term use process is reduced, the fixation of the spongy cushion on the head of the patient is ensured, and the service life of the spongy cushion is further prolonged.
Preferably, a group of vent grooves are uniformly formed in the surface of the side wall of the first chamber, a fourth groove is formed in the surface of the side wall of the fixed block, which corresponds to the vent grooves, and the top of the fourth groove extends into the first groove; and a sealing groove is formed in the outer side of the fourth groove, and a sealing plate is embedded in the sealing groove.
When the device works, the sealing plate is detached, the fourth groove is positioned above the vent grooves before the fixed block is pressed to move, the fourth groove is positioned above the vent grooves and does not coincide with the vent grooves, and the side walls of the fixed block are in close contact with the side walls of the first cavity, so that high-pressure air in the first cavity is limited; when the fixed block moves downwards, the vent groove is superposed with the fourth groove, high-pressure air flows out through a gap between the fourth groove and the vent groove, and when long hairs of a patient fall into the gap between the fixed block and the inner surface of the first groove, the flowed high-pressure air impacts the long hairs to enable the long hairs to float upwards, so that the patient can be reminded to pay attention to fixation of the long hairs of the patient on one hand, and whether the fixation between the long hairs and the fixed hook block is tight or not can be detected on the other hand; the air flowing out accelerates the air flow rate between the patient and the fixing device, so that the gap between the patient and the fixing device is ventilated, and the comfort level of the patient is improved; in addition, after the air flows out, the loss of the air in the first chamber is supplemented in time through an external air source, so that the head of the patient is ensured to be fixed; and when the patient feels that the sprayed high-pressure air causes discomfort to the patient, the sealing plate is embedded into the sealing groove, so that the flowing air is blocked, and the discomfort of the flowing air to the patient is avoided.
The invention has the following beneficial effects:
1. according to the head scanning and fixing device for the CT, the fixing block is pressed to move downwards along the first cavity, so that the position of the head of a patient is automatically adjusted, and the external air source supplies air to the first cavity to adjust the height of the fixing block; a component force vertical to the surface of the fixing plate can be decomposed from the pressure of the first spring on the fixing plate, and when the fixing block is pressed to move downwards, the included angle between the first spring and the fixing plate is increased; therefore, the component force perpendicular to the surface of the fixing plate borne by the fixing plate is gradually increased, and the fixing plate is pressed to drive the first rod to rotate, so that the second spongy cushion on the fixing plate is in contact with the side face of the head of the patient, and the head of the patient is further fixed.
2. According to the head scanning and fixing device for the CT, disclosed by the invention, a part of gas in the first chamber is pressurized and flows into the second chamber along the first channel, so that the pressure in the second chamber is increased; the support rod slides along with the T-shaped groove on the fixing plate when moving along with the piston plate, and the fixing plate is further pressed, so that the second sponge cushion on the fixing plate is contacted with the side face of the head of a patient more closely, and the head of the patient is further fixed.
Drawings
The invention will be further explained with reference to the drawings.
FIG. 1 is a perspective view of the present invention;
FIG. 2 is an enlarged view of a portion of FIG. 1 at A;
FIG. 3 is an enlarged view of a portion of FIG. 1 at B;
FIG. 4 is an enlarged view of a portion of FIG. 3 at C;
in the figure: the anti-skidding type bed board comprises a bed board 1, a fixing body 2, a first groove 21, a first sponge cushion 22, a first cavity 23, a fourth groove 231, a closed groove 232, a closed plate 233, a second cavity 24, a piston plate 241, a supporting rod 242, a first channel 243, a first pillow 3, an anti-skidding bump 31, a fixing plate 4, a second sponge cushion 41, a first spring 42, a T-shaped groove 43, a second groove 431, a pressing plate 432, a fixing block 5, a first rod 51, a third groove 52, a fixing hook block 521, a conical block 522 and a ventilation groove 53.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
As shown in fig. 1 to 4, the CT head scanning fixing device according to the present invention includes a bed plate 1, a fixing body 2, a first groove 21, a first pillow 3, a fixing plate 4, a first sponge pad 22, a second sponge pad 41, and a fixing block 5; the fixing body 2 is arranged at a position close to the upper surface of a bed plate 1 of the CT scanning equipment, the fixing block 5 is arranged on the fixing body 2, the first pillow 3 is fixed at a position close to the fixing block 5 on the upper surface of the bed plate 1, and elastic anti-skidding lugs 31 are uniformly arranged on the surface of the first pillow 3; the upper surface of the fixing body 2 is provided with a first groove 21, the section of the first groove 21 is semicircular, a first cavity 23 is arranged in the middle of the first groove 21, the bottom of the fixing block 5 is embedded into the first cavity 23 and is connected with the surface of the bottom of the first cavity 23 through a spring, high-pressure gas is filled in the first cavity 23, and the first cavity 23 is communicated with an external gas source; install a foam-rubber cushion 22 on fixed block 5, 5 bilateral symmetry of fixed block is equipped with a pole 51, a pole 51 rotates with fixed block 5 to be connected, a pole 51 tip all is equipped with fixed plate 4, 4 relative surfaces of fixed plate all are equipped with No. two foam-rubber cushions 41, fixed plate 4 through a spring 42 with a groove 21 internal surface links to each other, just a spring 42 slope sets up.
When the medical bed is in use, a patient lies on the bed plate 1, so that the head of the patient is rested on the first sponge cushion 22 above the fixed block 5, and the head of the patient is limited by the first groove 21, so that the head of the patient is fixed; the back neck part of the patient is contacted with the first pillow 3, so that on one hand, the back neck part of the patient is supported, the comfort of the patient on the bed plate 1 is improved, on the other hand, the friction force between the back neck part of the patient and the first pillow 3 is increased through the anti-skidding lugs 31 uniformly arranged on the surface of the first pillow 3, and the patient is further fixed; when the head of a patient extrudes the fixing block 5, the fixing block 5 is pressed to move downwards along the first cavity 23, so that the position height of the head of the patient is adjusted, an operator can supply air to the first cavity 23 through an external air source to adjust the height of the fixing block 5, and the position of the fixing block 5 meets the requirements of the patient; when the fixed block 5 is pressed to move downwards, the fixed plate 4 on the fixed block 5 moves downwards along with the fixed block 5, and the first spring 42 connected with the fixed plate 4 rotates at the moment, so that the included angle between the first spring 42 and the fixed plate 4 is increased; therefore, the component force applied to the fixing plate 4 and perpendicular to the surface of the fixing plate 4 is gradually increased, and at the moment, the fixing plate 4 is pressed to drive the first rod 51 to rotate, so that the second spongy cushion 41 on the fixing plate 4 is contacted with the side surface of the head of the patient, and the head of the patient is further fixed; when a part of active children are used as patients to carry out CT detection, the heads of the children can be effectively fixed through the fixing device, so that the random swing of the children is limited, and the children are prevented from moving randomly in the detection process, and the accuracy of the detection result is prevented from being influenced; however, when the child feels uncomfortable and struggles violently, the fixation is too tight during the struggling process, and the head of the child is easily injured during the struggling process; the fixing plate 4 and the fixing block 5 are elastically connected, so that the fixing plate 4 is pressed and swings up and down in a small amplitude, and the fixing block 5 is pressed in the first cavity 23 to move up and down so as to adapt to struggle of children, fully relieve the impact between the heads of the children and the fixing device and avoid injury to the bodies of the children when the children struggle violently; the physician should then release the fixation device and examine the fixation device and the child.
As a specific embodiment of the present invention, a second chamber 24 is disposed at a position of the fixed body 2 corresponding to the fixed plate 4, a piston plate 241 is mounted in the second chamber 24, the piston plate 241 is connected to an inner surface of the second chamber 24 through a spring, a support rod 242 is disposed on the piston plate 241, an end of the support rod 242 is embedded in a T-shaped groove 43 disposed on a surface of the fixed plate 4, and an interior of the second chamber 24 is communicated with a bottom of the first chamber 23 through a first channel 243.
In operation, when the fixing block 5 is pressed to move downwards, a part of gas in the first chamber 23 is pressed to flow into the second chamber 24 along the first channel 243, so that the gas pressure in the second chamber 24 is increased; therefore, the piston plate 241 is pressed to drive the supporting rod 242 to move, so that the supporting rod 242 slides in the T-shaped groove 43 on the fixing plate 4 while moving along with the piston plate 241, and the fixing plate 4 is further pressed, so that the second sponge cushion 41 on the fixing plate 4 is in closer contact with the side surface of the head of the patient, and the head of the patient is further fixed; the random small amplitude swing of the patient is limited by the fixing plate 4, so that the patient is kept still to cooperate with the detection of CT; when the patient struggles violently due to discomfort, the fixing plate 4 is pressed to drive the supporting rod 242 to move in a small range, so that the acting force between the head of the patient and the fixing plate is relieved, and the head of the patient is prevented from being injured; and when the patient returns to normal, the support rod 242 drives the fixing plate 4 to reset along with the patient stopping the large-amplitude violent swing, thereby restoring the fixation of the head of the patient.
As a specific embodiment of the present invention, a second groove 431 is disposed in the T-shaped groove 43 near the top, the second groove 431 is communicated with a gap between the fixed plate 4 and the second sponge pad 41, a pressing plate 432 is disposed in the second groove 431, one end of the pressing plate 432 is rotatably connected to a sidewall of the second groove 431, and the other end is connected to an inner surface of the T-shaped groove 43 through a spring.
In operation, when the end of the supporting rod 242 continuously moves to the second groove 431 on the T-shaped groove 43, the pressing plate 432 inside the second groove 431 is pressed, so that the pressing plate 432 swings in the second groove 431 and presses the second foam-rubber cushion 41, the second foam-rubber cushion 41 is pressed and deformed and further presses the patient, the friction between the patient and the second foam-rubber cushion 41 is increased, and the patient is further fixed; and because the second groove 431 is positioned on the part, close to the top, of the T-shaped groove 43, the rotating press plate 432 presses the second sponge cushion 41 to act on the part, close to the face, of the patient, so that the pressure perpendicular to the surface of the bed plate 1 is applied to the head of the patient while the head of the patient is prevented from shaking left and right, and the head of the patient is further kept stable in the detection process.
As a specific embodiment of the present invention, a group of third grooves 52 is uniformly formed at a position close to an edge of the top of the fixing block 5, fixing hook blocks 521 are respectively arranged in the third grooves 52, the fixing hook blocks 521 are rotatably connected with the third grooves 52, and a locking device is arranged at a joint of the fixing hook blocks 521 and the third grooves 52 and is controlled by a controller arranged outside.
When the device works, when a patient to be detected is a woman with long hairs scattered, the problem that the long hairs are too scattered and embedded into gaps of the fixing device in the detection process, so that the patient forcibly tears to hurt the hairs and the scalp of the patient when the fixing device is unfastened and bad experience of the patient is caused is avoided; after the fixed hook block 521 is adjusted to a proper angle by rotating the fixed hook block 521, the locking device is started by the controller, so that the fixed hook block 521 is fixed; then, the long hair of the patient is hung on the fixed hook block 521, and in the detection process, the hair of the patient can be limited by the fixed hook block 521, so that the phenomenon that the long hair is wound on a fixing device due to random scattering and discomfort of the patient is caused is avoided; the fixed hook block 521 is in contact with the edge of the first spongy cushion 22 after rotating, so that the first spongy cushion 22 can be fixed, and the first spongy cushion 22 is prevented from deforming and shifting after being used for a long time, so that the head of a patient is prevented from being fixed; in addition, when the fixing hook block 521 is not needed, the fixing hook block 521 can be rotated to make the end of the fixing hook block 521 face downwards, so that the problem that an active patient swings freely when receiving fixation and can collide with the end of the fixing hook block 521 and cause injury is avoided.
As an embodiment of the invention, a group of conical blocks 522 are uniformly arranged on the surface of the fixing hook block 521 close to the first sponge pad 22, and the hair of the patient is further fixed through the action of the conical blocks 522.
When the hair fixing device works, when long hair of a patient is placed on the fixing hook block 521, the hair is scattered to a gap between the conical blocks 522, so that the friction force between the hair and the fixing hook block 521 is increased, the long hair of the patient is further fixed, and the hair of the patient is prevented from being scattered randomly and wound together with the fixing device to cause injury to the patient; in addition, after the fixing hook block 521 is rotated and is contacted with the first sponge cushion 22, the conical block 522 extrudes the first sponge cushion 22 along with the fixing hook block 521 and enables the first sponge cushion 22 to deform under pressure, at the moment, the end part of the conical block 522 is embedded into the first sponge cushion 22, and the friction force between the fixing hook block 521 and the first sponge cushion 22 is further increased, so that the edge part of the first sponge cushion 22 is further fixed, the deformation of the first sponge cushion 22 in the long-term use process is reduced, the fixation of the first sponge cushion 22 on the head of a patient is ensured, and the service life of the first sponge cushion 22 is further prolonged.
As a specific embodiment of the present invention, a set of ventilation grooves 53 is uniformly formed on the surface of the side wall of the first chamber 23, a fourth groove 231 is formed on the surface of the side wall of the fixed block 5 corresponding to the ventilation grooves 53, and the top of the fourth groove 231 extends into the first groove 21; and a sealing groove 232 is formed in the outer side of the fourth groove 231, and a sealing plate 233 is embedded in the sealing groove 232.
During operation, the closing plate 233 is removed, before the fixing block 5 is pressed to move, the vent groove 53 is positioned above the fourth groove 231, the fourth groove 231 is positioned above the vent groove 53 and is not overlapped with the vent groove 53, and at the moment, the side wall of the fixing block 5 is in close contact with the side wall of the first cavity 23, so that high-pressure air in the first cavity 23 is limited; when the fixed block 5 moves downwards, the vent groove 53 is superposed with the fourth groove 231, high-pressure air flows out through a gap between the fourth groove 231 and the vent groove 53, when long hairs of a patient fall into the gap between the fixed block 5 and the inner surface of the first groove 21, the flowing high-pressure air impacts the long hairs to enable the long hairs to float upwards, on one hand, the hairs are far away from the gap between the fixed block 5 and the side wall of the first cavity 23 under the impact action, the patient who is dusty with the long hairs is reminded to pay attention to fixation of the long hairs, and the long hairs are prevented from being wound into the gap between the fixed block 5 and the side wall of the first cavity 23; on the other hand, whether the fixation between the long hair and the fixed hook block 521 is tight can be determined; the air flowing out accelerates the air flow rate between the patient and the fixing device, so that the gap between the patient and the fixing device is ventilated, and the comfort level of the patient is improved; in addition, after the air flows out, the loss of the air in the first chamber 23 is supplemented in time through an external air source, so that the head of the patient is ensured to be fixed; and, when the patient feels that the ejected high-pressure air causes discomfort to the patient, the sealing plate 233 is embedded into the sealing groove 232, so that the flowing air is blocked, the flowing air is prevented from causing discomfort to the patient, and the patient can determine whether the high-pressure air needs to be ejected according to the requirement of the patient.
The specific working process is as follows:
the patient lies on the bed plate 1, so that the head of the patient is rested on the first sponge cushion 22 above the fixed block 5, and the head of the patient is limited by the first groove 21, so that the head of the patient is fixed; the back neck part of the patient is contacted with the first pillow 3, so that on one hand, the back neck part of the patient is supported, the comfort of the patient on the bed plate 1 is improved, on the other hand, the friction force between the back neck part of the patient and the first pillow 3 is increased through the anti-skidding lugs 31 uniformly arranged on the surface of the first pillow 3, and the patient is further fixed; when the head of a patient extrudes the fixing block 5, the fixing block 5 is pressed to move downwards along the first cavity 23, so that the position height of the head of the patient is adjusted, an operator can supply air to the first cavity 23 through an external air source to adjust the height of the fixing block 5, and the position of the fixing block 5 meets the requirements of the patient; when the fixed block 5 is pressed to move downwards, the fixed plate 4 on the fixed block 5 moves downwards along with the fixed block 5, and the first spring 42 connected with the fixed plate 4 rotates at the moment, so that the included angle between the first spring 42 and the fixed plate 4 is increased; therefore, the component force applied to the fixing plate 4 and perpendicular to the surface of the fixing plate 4 is gradually increased, and at the moment, the fixing plate 4 is pressed to drive the first rod 51 to rotate, so that the second spongy cushion 41 on the fixing plate 4 is contacted with the side surface of the head of the patient, and the head of the patient is further fixed; when a part of active children are used as patients to carry out CT detection, the heads of the children can be effectively fixed through the fixing device, so that the random swing of the children is limited, and the children are prevented from moving randomly in the detection process, and the accuracy of the detection result is prevented from being influenced; however, when the child feels uncomfortable and struggles violently, the fixation is too tight during the struggling process, and the head of the child is easily injured during the struggling process; the fixing plate 4 and the fixing block 5 are elastically connected, so that the fixing plate 4 is pressed and swings up and down in a small amplitude, and the fixing block 5 is pressed in the first cavity 23 to move up and down so as to adapt to struggle of children, fully relieve the impact between the heads of the children and the fixing device and avoid injury to the bodies of the children when the children struggle violently; at this point the doctor should release the fixation device and examine the fixation device and the child; when the fixing block 5 is pressed to move downwards, a part of gas in the first chamber 23 is pressed to flow into the second chamber 24 along the first channel 243, so that the gas pressure in the second chamber 24 is increased; therefore, the piston plate 241 is pressed to drive the supporting rod 242 to move, so that the supporting rod 242 slides in the T-shaped groove 43 on the fixing plate 4 while moving along with the piston plate 241, and the fixing plate 4 is further pressed, so that the second sponge cushion 41 on the fixing plate 4 is in closer contact with the side surface of the head of the patient, and the head of the patient is further fixed; the random small amplitude swing of the patient is limited by the fixing plate 4, so that the patient is kept still to cooperate with the detection of CT; when the patient struggles violently due to discomfort, the fixing plate 4 is pressed to drive the supporting rod 242 to move in a small range, so that the acting force between the head of the patient and the fixing plate is relieved, and the head of the patient is prevented from being injured; when the patient returns to normal, the support rod 242 drives the fixing plate 4 to reset along with the patient stopping the large and violent swing, so that the head of the patient is fixed again; when the end of the supporting rod 242 continuously moves to the second groove 431 on the T-shaped groove 43, the pressing plate 432 inside the second groove 431 is pressed, so that the pressing plate 432 swings in the second groove 431 and presses the second spongy cushion 41, the second spongy cushion 41 is pressed and deformed and further presses the patient, the friction force between the patient and the second spongy cushion 41 is increased, and the patient is further fixed; moreover, because the second groove 431 is positioned on the T-shaped groove 43 and is close to the top, the rotating press plate 432 presses the second sponge cushion 41 to act on the part of the patient, which is close to the face, so that the pressure vertical to the surface of the bed plate 1 is applied to the head of the patient while the head of the patient is prevented from shaking left and right, and the head of the patient is further kept stable in the detection process; when the patient to be detected is a woman with long hairs scattered, the problem that the long hairs are too scattered and embedded into gaps of the fixing device in the detection process, so that the patient forcibly tears to hurt the hair and the scalp of the patient when the fixing device is unfastened and bad experience of the patient is caused is avoided; after the fixed hook block 521 is adjusted to a proper angle by rotating the fixed hook block 521, the locking device is started by the controller, so that the fixed hook block 521 is fixed; then, the long hair of the patient is hung on the fixed hook block 521, and in the detection process, the hair of the patient can be limited by the fixed hook block 521, so that the phenomenon that the long hair is wound on a fixing device due to random scattering and discomfort of the patient is caused is avoided; the fixed hook block 521 is in contact with the edge of the first spongy cushion 22 after rotating, so that the first spongy cushion 22 can be fixed, and the first spongy cushion 22 is prevented from deforming and shifting after being used for a long time, so that the head of a patient is prevented from being fixed; in addition, when the fixing hook block 521 is not needed, the fixing hook block 521 can be rotated to make the end of the fixing hook block 521 face downwards, so that the problem that an active patient swings freely when receiving fixation and can collide with the end of the fixing hook block 521 and cause injury is avoided.
The front, the back, the left, the right, the upper and the lower are all based on figure 1 in the attached drawings of the specification, according to the standard of the observation angle of a person, the side of the device facing an observer is defined as the front, the left side of the observer is defined as the left, and the like.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate orientations or positional relationships based on those shown in the drawings, and are used merely for convenience in describing the present invention and for simplifying the description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the scope of the present invention.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (6)
1. A CT head scanning fixing device is characterized in that: comprises a bed board (1), a fixing body (2), a first groove (21), a first pillow (3), a fixing plate (4), a first sponge cushion (22), a second sponge cushion (41) and a fixing block (5); the fixing body (2) is arranged at a position close to the upper surface of a bed plate (1) of the CT scanning equipment, the fixing block (5) is arranged on the fixing body (2), the first pillow (3) is fixed at a position close to the fixing block (5) on the upper surface of the bed plate (1), and elastic anti-skidding lugs (31) are uniformly arranged on the surface of the first pillow (3); the upper surface of the fixing body (2) is provided with a first groove (21), the cross section of the first groove (21) is semicircular, a first cavity (23) is arranged in the middle of the first groove (21), the bottom of the fixing block (5) is embedded into the first cavity (23) and is connected with the bottom surface of the first cavity (23) through a spring, high-pressure gas is filled in the first cavity (23), and the first cavity (23) is communicated with an external gas source; install a foam-rubber cushion (22) on fixed block (5), fixed block (5) bilateral symmetry is equipped with a pole (51), a pole (51) rotates with fixed block (5) and is connected, a pole (51) tip all is equipped with fixed plate (4), fixed plate (4) relative surface all is equipped with No. two foam-rubber cushions (41), fixed plate (4) through a spring (42) with a groove (21) internal surface links to each other, just a spring (42) slope sets up.
2. A CT head scanning fixture as recited in claim 1, wherein: the utility model discloses a cavity, including fixed plate (4), fixed body (2) go up with the corresponding position of fixed plate (4) is equipped with No. two cavity (24), install piston plate (241) in No. two cavity (24), piston plate (241) through the spring with No. two cavity (24) internal surfaces link to each other, be equipped with bracing piece (242) on piston plate (241), bracing piece (242) tip embedding in T type groove (43) that fixed plate (4) surface set up, and No. two cavity (24) inside communicate with each other through a passageway (243) and a cavity (23) bottom.
3. A CT head scanning fixture as claimed in claim 2, wherein: the position that is close to the top in T type groove (43) is equipped with No. two groove (431), No. two groove (431) communicate with each other with the clearance between fixed plate (4) and No. two foam-rubber cushion (41), and is equipped with clamp plate (432) in No. two groove (431), clamp plate (432) one end is connected with No. two groove (431) lateral wall rotations, and the other end passes through the spring and links to each other with T type groove (43) internal surface.
4. A CT head scanning fixture as claimed in claim 3, wherein: the position that fixed block (5) top is close to the edge evenly is equipped with a set of No. three groove (52), all be equipped with fixed hook piece (521) in No. three groove (52), fixed hook piece (521) with No. three groove (52) rotate to be connected, just the joint portion of fixed hook piece (521) and No. three groove (52) is equipped with locking device, locking device is through setting up the control ware control in the external world.
5. A CT head scan fixture as recited in claim 4, wherein: a group of conical blocks (522) are uniformly arranged on the surface, close to the first sponge pad (22), of the fixing hook block (521), and the hair of a patient is further fixed through the conical blocks (522).
6. A CT head scan fixture as recited in claim 5, wherein: a group of vent grooves (53) are uniformly formed in the surface of the side wall of the fixing block (5), a fourth groove (231) is formed in the surface of the side wall of the first cavity (23) corresponding to the vent grooves (53), and the top of each vent groove (53) extends into the corresponding first groove (21); a sealing groove (232) is formed in the outer side of the fourth groove (231), and a sealing plate (233) is embedded in the sealing groove (232).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110664946.8A CN113288192A (en) | 2021-06-16 | 2021-06-16 | CT head scanning fixing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110664946.8A CN113288192A (en) | 2021-06-16 | 2021-06-16 | CT head scanning fixing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113288192A true CN113288192A (en) | 2021-08-24 |
Family
ID=77328299
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110664946.8A Withdrawn CN113288192A (en) | 2021-06-16 | 2021-06-16 | CT head scanning fixing device |
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| Country | Link |
|---|---|
| CN (1) | CN113288192A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114098788A (en) * | 2021-11-25 | 2022-03-01 | 河南省医疗器械检验所 | Cone beam CT auxiliary stabilizing equipment |
-
2021
- 2021-06-16 CN CN202110664946.8A patent/CN113288192A/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114098788A (en) * | 2021-11-25 | 2022-03-01 | 河南省医疗器械检验所 | Cone beam CT auxiliary stabilizing equipment |
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Application publication date: 20210824 |
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