CN113855277B - Hand stabilizer for brain surgery - Google Patents
Hand stabilizer for brain surgery Download PDFInfo
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- CN113855277B CN113855277B CN202111308304.0A CN202111308304A CN113855277B CN 113855277 B CN113855277 B CN 113855277B CN 202111308304 A CN202111308304 A CN 202111308304A CN 113855277 B CN113855277 B CN 113855277B
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- 239000003381 stabilizer Substances 0.000 title claims abstract description 52
- 238000001356 surgical procedure Methods 0.000 title claims abstract description 23
- 210000004556 brain Anatomy 0.000 title claims abstract description 18
- 210000000245 forearm Anatomy 0.000 claims abstract description 58
- 230000000087 stabilizing effect Effects 0.000 claims abstract description 21
- 238000003825 pressing Methods 0.000 claims description 14
- 230000007246 mechanism Effects 0.000 claims description 10
- 239000007787 solid Substances 0.000 claims description 2
- 239000003921 oil Substances 0.000 abstract description 42
- 239000010720 hydraulic oil Substances 0.000 abstract description 10
- 230000000694 effects Effects 0.000 abstract description 9
- 238000013016 damping Methods 0.000 abstract description 6
- 239000000725 suspension Substances 0.000 abstract description 4
- 230000006641 stabilisation Effects 0.000 abstract description 2
- 238000011105 stabilization Methods 0.000 abstract description 2
- 230000008093 supporting effect Effects 0.000 description 8
- 230000009286 beneficial effect Effects 0.000 description 5
- 230000008901 benefit Effects 0.000 description 5
- 230000000670 limiting effect Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000005457 optimization Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000003466 welding Methods 0.000 description 3
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 2
- 235000017491 Bambusa tulda Nutrition 0.000 description 2
- 241001330002 Bambuseae Species 0.000 description 2
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 239000011425 bamboo Substances 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 2
- 238000002406 microsurgery Methods 0.000 description 2
- 230000009965 odorless effect Effects 0.000 description 2
- 239000000741 silica gel Substances 0.000 description 2
- 229910002027 silica gel Inorganic materials 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 239000013013 elastic material Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B90/00—Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges
- A61B90/60—Supports for surgeons, e.g. chairs or hand supports
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
- A61G13/00—Operating tables; Auxiliary appliances therefor
- A61G13/10—Parts, details or accessories
- A61G13/101—Clamping means for connecting accessories to the operating table
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/30—Against vector-borne diseases, e.g. mosquito-borne, fly-borne, tick-borne or waterborne diseases whose impact is exacerbated by climate change
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Veterinary Medicine (AREA)
- Surgery (AREA)
- Public Health (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Dentistry (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Pathology (AREA)
- Surgical Instruments (AREA)
Abstract
The invention relates to the technical field of surgical auxiliary tools, in particular to a hand stabilizer for brain surgery, which comprises a movable tube arranged at the bottom of a forearm, wherein the front end of the movable tube is connected with a forearm sleeve capable of sliding along the length direction of the movable tube, the position, close to the rear end of the movable tube, of the movable tube is rotatably connected with a stabilizer bar, the top end of the stabilizer bar is provided with a large arm sleeve for clamping a large arm, and a stabilizer is hinged between the rear end of the movable tube and the upper half part of the stabilizer bar. According to the invention, the angle of the small arm and the large arm is stabilized and fixed by the movable tube, the small arm sleeve and the large arm sleeve arranged above the rear end of the movable tube are supported by a machine, so that the suspension stabilization operation is facilitated, a damping effect is formed by utilizing the viscosity of hydraulic oil in Cheng Youtong and the small Kong Tongliu resistance of the oil nozzle through the stabilizing device arranged between the movable tube and the stabilizing rod, the shake of the small arm is eliminated, the stable operation of the arm of a doctor is further ensured, and the invention has practical value.
Description
Technical Field
The invention relates to the technical field of surgical auxiliary tools, in particular to a hand stabilizer for brain surgery.
Background
Brain surgery generally refers to neurosurgery, which is a subject that utilizes neurosurgery and is mainly examined, and surgery is comprehensive treatment and comprehensive evaluation of the path. The youngest, most complex and fastest growing discipline in medicine. Previously, due to technical limitations, brain surgery of a person can be said to be a forbidden zone, however, with the development of technology, various microsurgery operations have been performed by means of advanced microsurgery equipment. Because of the fineness and complexity of brain surgery, it is important for the doctor of the main knife to have long-time suspension surgery of the forearm in the surgery process, easily fatigued and sour and shake, and influence the stability of the surgery, namely the stability of the hand. In view of this, we propose a hand stabilizer for brain surgery.
Disclosure of Invention
The present invention is directed to a hand stabilizer for brain surgery to solve the above-mentioned problems of the related art.
In order to achieve the above purpose, the present invention provides the following technical solutions:
the hand stabilizer for brain surgery comprises a movable tube, wherein one end of the movable tube is connected with a small arm sleeve capable of sliding along the length direction of the movable tube, the other end of the movable tube, which is close to the movable tube, is rotationally connected with a stabilizer bar, the stabilizer bar is provided with a large arm sleeve, and the other end of the movable tube is hinged with a stabilizer;
the stabilizing device comprises an oil containing cylinder, a movable shaft, a pressing block, oil passing pipes and a cylinder cover, wherein the bottom end of the Cheng Youtong is provided with an opening, the top end of the Cheng Youtong is rotationally connected with the stabilizing rod, the movable shaft is inserted into the oil containing cylinder, the pressing block is arranged on the movable shaft, the oil passing pipes inside the two communicating parts are symmetrically arranged on the oil containing cylinder, the cylinder cover is clamped in the opening at the bottom end of Cheng Youtong, the pressing block is in sliding connection with the inner wall of the Cheng Youtong, the two ends of the oil containing cylinder are symmetrically provided with oil outlet nozzles, the oil outlet nozzles are communicated with the inside of the oil containing cylinder, and the two ends of the oil passing pipes are correspondingly connected with the oil outlet nozzles.
As the preferable mode of the invention, the top end of the oil containing cylinder is provided with the fixed ring, the stabilizer bar is provided with the linkage ring, the fixed ring is rotationally connected with the linkage ring through the pin, the bottom end of the movable shaft is sleeved with the shaft sleeve, two ends of the shaft sleeve are sleeved with the double-ring piece, and the other ring of the double-ring piece is rotationally connected with the movable pipe.
As the preferable mode of the invention, a rubber ring is adhered in the central hole of the cylinder cover, and the rubber ring is spliced with the movable shaft and connected in a sliding way.
As the preferable mode of the invention, the movable pipe is provided with the connecting ring, the bottom end of the stabilizer bar is symmetrically provided with two hinge rings, the inner side of one hinge ring is provided with internal threads, and the hinge ring and the connecting ring are rotationally connected through the pre-tightening bolt.
As the optimization of the invention, the small arm sleeve is of a semicircular structure with an upward opening, the bottom is connected with the movable pipe, the two end surfaces of the top are provided with the slots, the upper part of the small arm sleeve is provided with the sleeve cover of the semicircular structure with the downward opening, and the two end surfaces of the bottom of the sleeve cover are provided with the cutting bars which are inserted into the slots.
As the optimization of the invention, the bottom of the small arm sleeve is provided with a stretching pipe, the stretching pipe is spliced with the movable pipe, and a positioning mechanism is arranged in the stretching pipe;
the positioning mechanism comprises a pull rod, a locking block and a reset spring, wherein the pull rod is inserted in the stretching pipe, the locking block and the reset spring are arranged on the pull rod, the top of the locking block is connected with the inner wall of the pull rod through a pressure spring, the bottom of the locking block is provided with an oblique angle surface, a plurality of clamping grooves are formed in the bottom of the inner wall of the movable pipe along the axial direction, and the locking block penetrates through the pull rod and the stretching pipe and is clamped with the clamping grooves.
As the preferable mode of the invention, the structure of the clamping groove is matched with the bottom structure of the locking block, the upper half section of the locking block is provided with a through groove, and the pull rod is provided with a sliding guide surface which is inserted into the through groove.
Preferably, the end of the sliding guide surface is connected with a stop block, the return spring is connected with the stop block, and a button with a reduced size is arranged at one end of the pull rod far away from the stop block.
As the optimization of the invention, the big arm sleeve is in an open ring structure, the opening of the big arm sleeve faces the direction of the small arm sleeve, a sleeve table sleeved with the stabilizer bar is arranged on the outer side of the top of the big arm sleeve, an elastic belt is adhered to one side of the open end of the big arm sleeve, a plurality of sleeve holes are formed in the elastic belt, a plurality of limit posts are arranged on the other side of the open end of the big arm sleeve, and a protection pad is adhered to the inner side of the big arm sleeve.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the invention, through the movable tube which is arranged at the bottom of the forearm, the front end of the movable tube is connected with the forearm sleeve which can slide along the length direction of the movable tube, the position, close to the rear end of the movable tube, of the movable tube is rotatably connected with the stabilizing rod, the top end of the stabilizing rod is provided with the large arm sleeve for clamping the large arm, so that the small arm is sleeved by the small arm sleeve, the large arm sleeve clamps the large arm, and under the joint movable supporting action of the movable tube and the stabilizing rod, the small arm is supported by a machine, the suspension stabilizing operation of the small arm is facilitated, and the movable tube has practical value.
2. According to the invention, through the stabilizing device arranged between the movable pipe and the stabilizing rod, the damping effect is formed by utilizing the viscosity of hydraulic oil in Cheng Youtong and the small Kong Tongliu resistance of the oil outlet nozzle, so that the arm is stably suspended by means of the damping force when driving the movable pipe to move, the shake of the arm is eliminated, and the stable operation of the arm of a doctor is further ensured, so that the invention has practical value.
3. The invention is connected with the movable tube in a sliding way through the stretching tube arranged at the top of the forearm sleeve, thereby being beneficial to doctors with different arm lengths to obtain comfortable forearm supporting points, and the stretching tube is internally provided with the positioning mechanism, so that the forearm sleeve can directly apply force to move to the big arm sleeve in a natural state to adjust the supporting points, and in addition, the locking state of the locking block and the movable tube clamping groove is released by pressing the pull rod, thereby being beneficial to pulling the forearm sleeve to move forward, ensuring that a proper supporting distance is obtained between the forearm and the big arm.
4. According to the invention, the quick-insertion type sleeve cover arranged above the forearm sleeve is beneficial to quick fixation of the forearm of a doctor, and the elastic band arranged outside the opening of the big arm sleeve is beneficial to effective and quick binding according to the thickness of the big arm of the doctor, so that the doctor is stable, simple and practical when fixing the big arm and the small arm, and the operation time is not occupied.
Drawings
FIG. 1 is a schematic view of the overall assembly structure of the present invention;
FIG. 2 is a second schematic diagram of the overall assembly structure of the present invention;
FIG. 3 is a third schematic view of the overall assembly structure of the present invention;
FIG. 4 is a schematic view of the assembly structure of the stabilizing device of the present invention;
FIG. 5 is a exploded view of the stabilization device of the present invention;
FIG. 6 is a partial exploded view of the large arm sleeve of the present invention;
FIG. 7 is a partial exploded view of the forearm sleeve according to the invention;
FIG. 8 is a schematic diagram of an assembly structure of a positioning mechanism according to the present invention;
FIG. 9 is an enlarged schematic view of the structure of FIG. 8A according to the present invention;
FIG. 10 is a schematic view of the inner structure of the movable pipe according to the present invention;
FIG. 11 is a cross-sectional view of a movable tube of the present invention;
FIG. 12 is a schematic diagram of the overall assembly structure of the present invention.
The meaning of each reference numeral in the figures is:
1. a movable tube; 10. a connecting ring; 11. a stabilizer bar; 111. a hinge ring; 112. a linkage ring; 12. pre-tightening a bolt; 13. a clamping groove;
2. a large arm sleeve; 20. sleeving a platform; 21. a limit column; 22. an elastic band; 23. trepanning; 24. a protective pad;
3. a stabilizing device; 31. cheng Youtong; 311. an oil outlet nozzle; 312. a fixing ring; 32. oil pipe; 33. a movable shaft; 331. briquetting; 332. a cylinder cover; 34. a shaft sleeve; 35. a double ring sheet;
4. a forearm sleeve; 40. a slot; 41. stretching the tube; 42. a cover; 421. cutting; 43. a rubber sleeve;
5. a positioning mechanism; 50. a pull rod; 501. a button; 502. a slide guiding surface; 51. a locking piece; 510. a through groove; 511. a bevel surface; 52. a pressure spring; 53. a stop block; 54. a return spring;
6. a bed rail clip; 61. a sleeve; 62. an adjusting tube; 63. a sleeve frame; 7. and (5) fixing bolts.
Description of the embodiments
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention.
Referring to fig. 1-12, the present invention provides a technical solution:
the utility model provides a hand stabilizer for brain surgery, including movable tube 1 for place in the forearm bottom, movable tube 1's front end is connected with can follow its length direction gliding forearm cover 4, and movable tube 1 is close to its rear end department rotation and is connected with stabilizer bar 11, and the top of stabilizer bar 11 is provided with the big arm cover 2 that is used for clieing big arm, and it mainly utilizes forearm cover 4 to entangle the forearm, and big arm cover 2 cliies big arm to under movable tube 1 and stabilizer bar 11's joint movement supporting effect, guarantee that the forearm is by the support of machinery, do benefit to its unsettled stability.
The rear end of the movable tube 1 is hinged with a stabilizing device 3, and the other end of the stabilizing device 3 is rotatably connected with the upper half part of the stabilizing rod 11, and the stabilizing device is further used for guaranteeing the stability between the forearm and the forearm. The stabilizing device 3 comprises an oil containing cylinder 31, a movable shaft 33, a pressing block 331, oil passing pipes 32 and cylinder covers 332 and Cheng Youtong, wherein the bottom end of the oil passing pipe 32 is opened, the top end of the oil passing pipe is rotatably connected with the stabilizing rod 11, the movable shaft 33 is inserted into the oil containing cylinder 31, the pressing block 331 is arranged on the movable shaft, two oil passing pipes 32 which are communicated with each other are symmetrically arranged on the oil containing cylinder 31, and the cylinder covers 332 are clamped in the bottom end openings of the Cheng Youtong. Through filling viscous hydraulic oil into Cheng Youtong 31 in advance, then utilize cylinder cap 332 shutoff to seal, after the forearm is moved from top to bottom, and drive movable tube 1 and regard stabilizer bar 11 bottom as the pivot and front and back end perk, because stabilizer bar 11 presss from both sides on the big arm through big arm cover 2, the stationary of big arm promptly, can guarantee that stabilizer bar 11 is stable, the rear end perk of movable tube 1 tends to drive movable shaft 33 along the axial motion of flourishing oil section of thick bamboo 31, and then briquetting 331 on its top can be with the hydraulic oil in the flourishing oil section of thick bamboo 31 or push up or push down, flow through oil pipe 32, then utilize the viscosity of hydraulic oil, and form damping effect, make the forearm activity stable, do benefit to and eliminate its shake, guarantee the stable operation of doctor's arm.
The outside of briquetting 331 closely overlaps and is equipped with the rubber circle and the rubber circle cup joints the cooperation with the inner wall of flourishing oil drum 31 to this sealed effect that forms. The upper end and the lower end of the Cheng Youtong are symmetrically provided with oil outlet nozzles 311, the oil outlet nozzles 311 are communicated with the inside of the oil containing cylinder 31, two ends of the oil passing pipe 32 are respectively and correspondingly connected with the two oil outlet nozzles 311, and the inner space of the oil containing cylinder 31 is divided into an upper half and a lower half by the pressing block 331, so that hydraulic oil in the oil containing cylinder 31 only flows through the oil passing pipe 32 at the upper end and the lower end, and the hydraulic oil is reduced in speed by utilizing the small aperture (reduced by a plurality of times relative to the inner diameter of the Cheng Youtong) of the oil outlet nozzles 311 to form a damping effect for preventing the forearm from moving and shaking greatly. The top end of Cheng Youtong is rotatably connected with the upper half part of the stabilizer bar 11, and the bottom end of the movable shaft 33 is rotatably connected with the rear end of the movable tube 1, so that the stabilizer 3 can extend and compress the length along with the tilting of the movable tube 1, and the whole structure is smooth.
The movable tube 1, the stabilizer bar 11 and the large arm sleeve 2 are all made of ABS materials, are tough and rigid in strength, environment-friendly and odorless, convenient to scrub and durable. Further, cheng Youtong, the movable shaft 33 and the pressing block 331 are all made of stainless steel materials, and the rotation of the movable tube 1 and the stabilizer bar 11 is affected by the high strength thereof without deformation.
Further, the lengths of the oil containing cylinder 31 and the movable shaft 33 are equal, and the length is the optimal size, so that the movable shaft 33 is ensured to have enough telescopic length, the large-scale swing of the forearm is facilitated, and the smooth operation of a doctor is ensured. A rubber ring is adhered in the central hole of the cylinder cover 332, is spliced with the movable shaft 33 and is in sliding connection, and the leak of hydraulic oil in the oil containing cylinder 31 is avoided by utilizing the tightness of the rubber ring.
Specifically, the movable tube 1 is provided with the connecting ring 10 near the rear end thereof, the bottom end of the stabilizer bar 11 is symmetrically provided with the hinge ring 111, the hinge ring 111 and the connecting ring 10 are internally inserted with the pre-tightening bolt 12, one of the inner sides of the hinge ring 111 is provided with the internal thread, the pre-tightening bolt 12 is in threaded connection with the hinge ring 111 with the internal thread, thereby the stabilizer bar 11 and the movable tube 1 stably rotate, the end part of the pre-tightening bolt 12 is provided with a circular ring, the circular ring is larger than the outer diameter of the hinge ring 111 in size, a limiting structure is formed, the hinge ring 111 with the internal thread or the connecting ring 10 is extruded by rotating the pre-tightening bolt 12, or the connecting ring 10 is far away, a compacting and loosening effect is formed, the stabilizer bar 11 and the movable tube 1 can be fixed and movable, the included angle between a fixed small arm and a large arm can be adjusted during operation, a stable operation posture is obtained, the small arm is prevented from being suspended for a long time, and the long-time operation is facilitated.
Besides, the forearm sleeve 4 is of a semicircular structure with an upward opening, the slots 40 are formed in the two end faces of the top, the sleeve cover 42 of the semicircular structure with a downward opening is arranged above the forearm sleeve 4, the sleeve cover 42 is equal to the inner diameter of the forearm sleeve 4, the forearm is covered by the sleeve cover 42 and the forearm sleeve 4 rapidly, the inserting strips 421 inserted into the slots 40 are arranged at the two end faces of the bottom of the sleeve cover 42, and the cross sections of the slots 40 and the inserting strips 421 are of water-drop-shaped structures, so that a limiting structure is formed, and the sleeve cover 42 and the forearm sleeve 4 are prevented from slipping in the radial direction. The inner sides of the forearm sleeve 4 and the sleeve cover 42 are adhered with the rubber sleeve 43 made of silica gel, so that the flexibility is good, and the comfort level of clamping the forearm and the forearm is improved. The top of the sleeve cover 42 is provided with a bulge, so that the sleeve cover 42 is conveniently assembled and disassembled with the forearm sleeve 4 by pulling the bulge by hand. The bottom of forearm cover 4 is equipped with tensile pipe 41, and tensile pipe 41 sets up along movable tube 1 axial, and pegging graft with movable tube 1's front end, and tensile pipe 41's inside is provided with positioning mechanism 5 for adjust the horizontal interval of forearm cover 4 to big arm cover 2, do benefit to the doctor of different arm lengths and wear the adjustment and use, make their forearm obtain the best supporting point, and guarantee the stability of forearm.
The positioning mechanism 5 comprises a pull rod 50, a locking block 51 and a return spring 54, wherein the pull rod 50 is inserted into the stretching tube 41, and the cross section size of the pull rod 50 is matched with the inner cross section size of the stretching tube 41, so that the pull rod 50 is prevented from shaking when moving. The locking block 51 and the return spring 54 are arranged in the pull rod 50, the top of the locking block 51 is connected with the inner wall of the pull rod 50 through the pressure spring 52, the bottom is provided with a bevel surface 511, the bottom of the inner wall of the movable tube 1 is provided with a plurality of clamping grooves 13 along the axial direction, and the locking block 51 penetrates through the pull rod 50 and the stretching tube 41 and is clamped with the clamping grooves 13. Therefore, in a natural state, the locking piece 51 can be inserted into the clamping groove 13 under the spring force of the pressure spring 52, and the limiting of the forearm sleeve 4 is realized. According to the structure, the forearm sleeve 4 can be pressed to move towards the direction of the large arm sleeve 2, the thickened part of the forearm can be clamped conveniently, locking is stopped, namely, the quick adjustment is facilitated when a doctor wears the device, and when the pull rod 50 is pressed, the locking block 51 can be driven to move upwards and separate from the clamping groove 13, so that the forearm sleeve 4 can be moved forwards and backwards to adjust the forearm supporting point.
In this embodiment, the forearm sleeve 4, the stretching tube 41, the pull rod 50 and the locking piece 51 are made of ABS, and are tough and rigid, environment-friendly, odorless and durable.
Further, the structure of the locking groove 13 is matched with the bottom structure of the locking groove 51, the inclined surface of the locking groove 13 faces the rear end of the movable tube 1, so that when pushing the forearm sleeve 4 horizontally moves to the large arm sleeve 2, the locking groove 51 can slide down at the inclined angle surface 511 and the inclined surface of the locking groove 13 to be smoothly separated, and is locked into the next locking groove 13 under the action of the elastic force of the pressure spring 52, and as the locking groove 51 faces one side surface of the movable tube 1 to form a vertical surface, blocking potential is formed with the vertical surface of the locking groove 13, the forearm sleeve 4 is blocked from pressing and pressing to be away from the large arm sleeve 2, and the forward movement of the forearm sleeve 4 can be relieved only by using the positioning mechanism 5. The rising distance of the locking piece 51 is larger than the wall thickness of the movable pipe 1, so that the situation that the stroke of the locking piece 51 is insufficient and the locking piece is always clamped in the clamping groove 13 is avoided. The upper half section of the locking piece 51 is provided with a through groove 510, the pull rod 50 is provided with a sliding guide surface 502 which is spliced with the through groove 510, the sliding guide surface 502 is higher than the clamping groove 13, namely, when the pull rod 50 is pressed, the sliding guide surface 502 is in sliding connection with the through groove 510, the locking piece 51 is driven to move upwards by the height of the sliding guide surface 502, the locking piece is separated from the clamping groove 13, the pull rod 50 is reset under the resilience force of the reset spring 54, and the locking piece 51 is pushed into the clamping groove 13 at the next position under the resilience force of the pressure spring 52, so that the forearm sleeve 4 is locked in a forward moving manner.
The front end of the slide guiding surface 502 is provided with a stopper 53 for supporting the lock block 51, a return spring 54 is connected to the stopper 53, and the other end of the return spring 54 abuts against the inner end of the tension tube 41. The outer end of the pull rod 50 is provided with a button 501, a rectangular block with a square frame structure is sleeved outside the button 501 and is tightly clamped and matched with the outer port of the stretching pipe 41, so that the limiting effect on the pull rod 50 is formed, and the pull rod is prevented from being ejected into the stretching pipe 41 under the action of the resilience force of the return spring 54.
Specifically, the large arm sleeve 2 is in an open ring structure, and an opening of the large arm sleeve faces the direction of the small arm sleeve 4, so that the small arm and the large arm can be smoothly clamped into the small arm sleeve 4 and the large arm sleeve 2 in the same direction. The top outside of big arm cover 2 is equipped with the cover platform 20 that cup joints with stabilizer bar 11, is the cavity structure in the cover platform 20 bottom, and the outside thread connection of cover platform 20 has the bolt for rotatory compress tightly stabilizer bar 11, guarantees the stability of big arm cover 2. One side of the open end of the big arm sleeve 2 is adhered with an elastic belt 22, the side surface of the outer end of the elastic belt 22 is provided with a plurality of sleeve holes 23, the other side of the open end of the big arm sleeve 2 is provided with a plurality of limit posts 21, the outer end of each limit post 21 is enlarged in size to form a limit structure, the sleeve holes 23 are prevented from slipping after being sleeved into the limit posts 21, the elastic belt 22 is facilitated to enable the big arm sleeve 2 to clamp the big arm, and the inner side of the big arm sleeve 2 is adhered with a protection pad 24 which is made of silica gel materials and used for increasing the comfort level of the clamped big arm.
Specifically, the inner ring wall parts of the large arm sleeve 2 and the small arm sleeve 4 can be made of elastic materials, a doctor can make the arm move in a proper small range in the use process, the condition that the arm keeps the same posture for a long time is avoided, and the elastic force can help the large arm sleeve and the small arm sleeve to fix the arm in the operation process.
In this embodiment, the back end below of movable tube 1 is provided with the bed fence clamp 6 that is used for cliring the bed fence, the vertical welding in top surface middle part of bed fence clamp 6 has sleeve pipe 61, the inside grafting of sleeve pipe 61 has adjusting tube 62, adjusting tube 62's length is greater than sleeve pipe 61's length, make the height of adjustable support movable tube 1 of bed fence clamp 6, the fixed unsettled of doctor's arm of being convenient for, sleeve frame 63 has been welded on adjusting tube 62's top, sleeve frame 63 cup joints the cooperation with movable tube 1, and be located between stabilizer 11 and stabilizer 3, avoid the arm to place the front segment at movable tube 1 and touch the trace, the vertical limit one side of bed fence clamp 6, sleeve pipe 61 top one side and sleeve frame 63 vertical limit one side all run through and threaded connection have fixing bolt 7, make the whole height stability of bed fence clamp 6, thereby the operation of stable support movable tube 1 is wholly stable, the arm unsettled is guaranteed.
When the hand stabilizer for brain surgery is used, the forearm and the big arm of a doctor are clamped into the forearm sleeve 4 and the big arm sleeve 2 respectively, the sleeve cover 42 is covered, the elastic band 22 is tightly bound, the arm sleeve 2 is pushed and moved horizontally according to the length of the forearm until the arm is tightly bound, the forearm of the doctor is stably supported, the movable shaft 33 is driven to stretch and retract by the movable tube 1 when the doctor lifts and lowers the forearm during surgery, hydraulic oil in the oil containing cylinder 31 is pushed up or down by the pressing block 331 to flow through the oil outlet nozzle 311 and the oil pipe 32, the damping effect on the movement of the forearm is formed by using the viscosity of the hydraulic oil and the small-diameter through-flow resistance of the oil outlet nozzle 311, the stable suspension of the forearm of the doctor is ensured, the bed rail clamp 6 is fixed on the bed rail, and all fixing bolts 7 are screwed, so that the arm of the doctor is stably supported by the movable tube 1, and the problem of hand shake is solved.
The foregoing has shown and described the basic principles, principal features and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the above-described embodiments, and that the above-described embodiments and descriptions are only preferred embodiments of the present invention, and are not intended to limit the invention, and that various changes and modifications may be made therein without departing from the spirit and scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (6)
1. A hand stabilizer for brain surgery, characterized in that: the movable pipe comprises a movable pipe (1), wherein one end of the movable pipe (1) is connected with a small arm sleeve (4) capable of sliding along the length direction of the movable pipe, the other end, close to the movable pipe (1), of the movable pipe is rotatably connected with a stabilizer bar (11), the stabilizer bar (11) is provided with a large arm sleeve (2), and the other end of the movable pipe (1) is hinged with a stabilizer (3);
the stabilizing device (3) comprises a Cheng Youtong (31), a movable shaft (33), a pressing block (331), an oil passing pipe (32) and a cylinder cover (332), wherein the bottom end of the Cheng Youtong (31) is opened, the top end of the stabilizing shaft is rotationally connected with a stabilizing rod (11), the movable shaft (33) is inserted into the oil containing cylinder (31), the pressing block (331) is arranged on the movable shaft, two oil passing pipes (32) which are communicated with the inside are symmetrically arranged on the Cheng Youtong (31), the cylinder cover (332) is clamped in the opening at the bottom end of the Cheng Youtong (31), the pressing block (331) is in sliding connection with the inner wall of the Cheng Youtong (31), oil outlet nozzles (311) are symmetrically arranged at two ends of the Cheng Youtong (31), the oil outlet nozzles (311) are communicated with the inside of the Cheng Youtong (31), and the two ends of the oil passing pipe (32) are correspondingly connected with the oil outlet nozzles (311).
The bottom of the small arm sleeve (4) is provided with a stretching pipe (41), the stretching pipe (41) is spliced with the movable pipe (1), and a positioning mechanism (5) is arranged in the stretching pipe (41);
the positioning mechanism (5) comprises a pull rod (50), a locking block (51) and a return spring (54), wherein the pull rod (50) is inserted into the stretching pipe (41), the locking block (51) and the return spring (54) are arranged on the pull rod (50), the top of the locking block (51) is connected with the inner wall of the pull rod (50) through a pressure spring (52), an oblique angle surface (511) is arranged at the bottom end of the locking block (51), a plurality of clamping grooves (13) are formed in the bottom of the inner wall of the movable pipe (1) along the axial direction, and the locking block (51) penetrates through the pull rod (50) and the stretching pipe (41) and is clamped with the clamping grooves (13);
the structure of the clamping groove (13) is matched with the bottom structure of the locking block (51), a through groove (510) is formed in the upper half section of the locking block (51), and a sliding guide surface (502) which is inserted into the through groove (510) is arranged on the pull rod (50);
the end part of the sliding guide surface (502) is connected with a stop block (53), the return spring (54) is connected with the stop block (53), and one end of the pull rod (50) far away from the stop block (53) is provided with a button (501) with a reduced size.
2. The hand stabilizer for brain surgery according to claim 1, wherein: the top of Cheng Youtong (31) is equipped with solid fixed ring (312), be equipped with on stabilizer bar (11) and link ring (112), gu fixed ring (312) with link ring (112) are through pin rotation connection, axle sleeve (34) have been cup jointed to the bottom of loose axle (33), double ring piece (35) have all been cup jointed at the both ends of axle sleeve (34), another ring of double ring piece (35) is rotated with movable tube (1) and is connected.
3. The hand stabilizer for brain surgery according to claim 1, wherein: a rubber ring is adhered in the central hole of the cylinder cover (332), and the rubber ring is spliced with the movable shaft (33) and connected in a sliding manner.
4. The hand stabilizer for brain surgery according to claim 1, wherein: the movable pipe (1) is provided with a connecting ring (10), two hinge rings (111) are symmetrically arranged at the bottom end of the stabilizer bar (11), internal threads are arranged on the inner side of one hinge ring (111), and the hinge ring (111) is rotationally connected with the connecting ring (10) through a pre-tightening bolt (12).
5. The hand stabilizer for brain surgery according to claim 1, wherein: the small arm sleeve (4) is of a semicircular structure with an upward opening, the bottom of the small arm sleeve is connected with the movable pipe (1), the two end faces of the top of the small arm sleeve are provided with slots (40), a sleeve cover (42) of the semicircular structure with the downward opening is arranged above the small arm sleeve (4), and inserting strips (421) inserted into the slots (40) are arranged on the two end faces of the bottom of the sleeve cover (42).
6. The hand stabilizer for brain surgery according to claim 1, wherein: big arm cover (2) are split ring structure and its opening orientation forearm cover (4) direction, the top outside of big arm cover (2) is equipped with cover platform (20) that cup joints with stabilizer bar (11), one side bonding of big arm cover (2) open end has elastic band (22), a plurality of trepanning (23) have been seted up on elastic band (22), the opposite side of big arm cover (2) open end is equipped with a plurality of spacing posts (21), the inboard bonding of big arm cover (2) has protection pad (24).
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| CN202111308304.0A CN113855277B (en) | 2021-11-05 | 2021-11-05 | Hand stabilizer for brain surgery |
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| CN202111308304.0A CN113855277B (en) | 2021-11-05 | 2021-11-05 | Hand stabilizer for brain surgery |
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| CN114522015A (en) * | 2022-01-19 | 2022-05-24 | 徐黄建 | Orthopedic positioning splint convenient for dressing change at forearm |
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