CN105596130A - Medical equipment - Google Patents

Abstract

A medical device mainly consists of a support plate, a pedal, a screw, a screw, a positioning shaft, a motor sleeve and a motor; by adjusting the length of the end of the screw passing through the cylindrical nut, the angle between the pedal and the rear support plate of the support plate can be changed. When the patient's lower limbs have cramps, it can be adjusted to an angle acceptable to the patient so that the sole of the foot is pressed against the pedal and the knee is kept straight, helping the patient to stretch the lower limbs and sole muscles to relieve pain, thereby helping to reduce dependence on medical staff.

Description

a medical device

technical field

The invention relates to a medical device for electrically adjusting the inclination angle of a pedal for treating spasm of lower limbs, which belongs to the technology in the field of medical supplies.

Background technique

Lower extremity spasticity is a common disease, but its occurrence time is uncontrollable and sporadic. When the spasm occurs, the patient suffers from unbearable pain. The existing physical therapy methods are mainly to forcibly pull and massage the spastic lower limbs by the patient or rely on others to relieve symptoms.

Especially in dialysis patients, the incidence of lower extremity spasticity is relatively high, about 20%. During treatment, patients are prone to tonic contraction of local muscles of the lower limbs, causing severe pain, joint stiffness, accompanied by symptoms such as mental stress, increased heart rate, and decreased blood pressure. Emergency treatment is often required, and in severe cases, the treatment needs to be terminated, which may easily lead to complications such as insufficient dialysis, substandard body weight, and heart failure. The main risk factors for lower extremity spasticity are as follows: hypotension, imbalance syndrome, hyponatremia, hypocalcemia, hypoxemia, neurological damage.

At present, during the treatment of some critically ill patients, if lower limb spasms occur, the medical staff have to take measures such as pulling and massaging the patients in time.

Therefore, it is necessary to find a less dependent and effective way to treat lower limb spasticity.

Contents of the invention

The object of the present invention is to provide a lower limb spasticity treatment device which is less dependent on others and effective.

The technical solution of the present invention is: a medical device, mainly composed of a supporting board 1, a pedal 2, a screw rod 3, a screw 4, a positioning shaft 5, a motor sleeve 6 and a motor 7; On the supporting plate, the foot is on the end face of the pedal facing the human body; the end of the supporting plate away from the human body is provided with a rear support plate 11 with the upper part inclined towards the human body and the bottom inclined towards the direction away from the human body. Form a hollow cylindrical rear support foot 12 after the direction of the supporting plate is turned over; the positioning hole 13 that the rear support plate and the rear support foot are divided into left and right two sections is set at the middle position of the rear support plate 11 and the rear support foot 12; The end of the pedal corresponding to the sole of the foot is on the top, and the end corresponding to the sole of the foot is on the bottom. Adjusting holes; two lugs 14 protruding downwards with shaft holes are provided on the bottom wall of the supporting plate behind the positioning holes; The screw hole of the internal thread matched with the external thread; the outward end of the screw 3 is provided with a handle, and the end far away from the handle is provided with a polygonal rotation hole sunken toward the handle; the positioning shaft is inserted into two lugs fixed between them, so that the screw hole on the positioning shaft and the adjustment hole on the pedal are on the same axis; the motor sleeve is hollow and has openings at both ends, and the motor sleeve is fixed on the outer wall of the positioning shaft or on the ear, so that the motor sleeve and the positioning The screw hole on the shaft is coaxial; on the symmetrical sides of the end edge of the motor sleeve away from the positioning shaft, there are sliding grooves sunken in the direction of the positioning shaft. The rod is aligned with a sliding groove, and the motor is pushed into the motor sleeve, so that the output shaft of the motor faces the screw hole on the positioning shaft, and the output shaft of the motor is tightly fitted with the rotation hole on the screw rod; the screw 4 The length is greater than the length of the fixed column 21, the diameter of the screw is less than the diameter of the fixed column, the diameter of the screw head and the nut is greater than the diameter of the fixed column but less than the diameter of the inner hole of the rear support foot; when assembling, the bottom of the pedal is from the outside Insert the positioning hole 13, make the inner hole of the fixed column 21 at the lower part of the pedal and the inner hole of the rear support foot 12 be on the same axis, and then insert the screw 4 from one side of the rear support foot 12, so that the end of the screw passes through the pedal The fixed column 21 below, put the nut from the other side of the rear support pin and screw it on the end of the screw, under the action of external force, the pedal can rotate forward or backward around the screw, and the positioning shaft is inserted into the two The shaft hole on the lug is fixed, so that the screw hole on the positioning shaft is coaxial with the adjustment hole on the pedal, and the screw is inserted into the adjustment hole in the way that the rotation hole is in front, so that the end of the screw reaches the screw hole on the positioning shaft. Then rotate the handle of the screw to make the screw continue to enter the screw hole and enter the motor sleeve, put the motor into the motor sleeve, make each positioning rod of the motor be located in a sliding groove, use a tool to press the motor, and press the output shaft of the motor into the screw The rotating hole at the end, when the motor is working, the output shaft of the motor drives the screw Forward or reverse rotation, so that the screw moves in the direction of the human body or away from the human body on the screw hole of the positioning shaft. When the screw moves in the direction of the human body, the handle at the end of the screw will move the pedal to the direction of the human body Push until the pedal reaches the rear support plate, and the screw moves toward the human body while driving the motor to move along the sliding groove away from the positioning axis; when the screw moves away from the human body, the handle at the end of the screw will loosen and move toward the pedal The pressure makes the pedal rotate away from the human body, and at the same time drives the motor to move along the sliding groove to the direction of the positioning axis, thereby changing the angle between the pedal and the rear support plate.

The back side of the pedal 2 is provided with an outwardly protruding reinforcing ridge 22, and the adjustment hole runs through the reinforcing ridge.

The medical device also includes a ball 8, which is provided with a through hole passing through the ball, the ball is sleeved on the screw, and the ball is located between the handle of the screw and the adjustment hole.

The opening end of the adjustment hole facing the ball is provided with a hemispherical inlet that is recessed toward the positioning axis. Under the action of external force, half of the ball can enter the hemispherical inlet, and the ball and the hemispherical inlet form a nested fit.

Holes for straps are oppositely arranged on both sides of the supporting board, and the straps pass through the strap holes to fix the patient's lower limbs on the supporting board.

Beneficial effect

1. By rotating the handle or starting the motor to change the position of the screw on the screw hole of the positioning shaft, the angle between the pedal and the rear support plate can be changed. When the patient's lower limbs have spasm, it can be adjusted to an acceptable angle for the patient. Press the soles of the feet against the pedals and keep the knees straight to help patients stretch their lower limbs and plantar muscles to relieve pain and help reduce dependence on medical staff.

Description of drawings

Fig. 1 is the three-dimensional schematic diagram of appearance of the present invention;

Fig. 2 is exploded figure of the present invention;

Fig. 3 is a partial enlarged view of Fig. 2;

Fig. 4 is the schematic diagram that the pedal of the present invention is pressed against the rear support plate;

Figure 5 is a partial enlarged view of Figure 4;

Fig. 6 is a schematic cross-sectional view of a use state where the pedal of the present invention is separated from the rear support plate;

Figure 7 is a partial enlarged view of Figure 6;

Fig. 8 is a schematic partial cross-sectional view of the pedal of the present invention when it is away from the rear support plate;

Fig. 9 is a partial enlarged view of Fig. 8;

Fig. 10 is a schematic diagram of the connection relationship of the main components used to adjust the pedal angle of the present invention;

Figure 11 is an exploded view of Figure 10.

detailed description

As shown in FIGS. 1 to 11 , a medical device mainly consists of a pallet 1 , a pedal 2 , a screw 3 , a screw 4 , a positioning shaft 5 , a motor sleeve 6 and a motor 7 .

The supporting board is placed on a platform, the lower limbs are placed on the supporting board, and the foot is placed on the end face of the pedal facing the human body; the end of the supporting board away from the human body is provided with a rear support with the upper part inclined towards the human body and the bottom inclined away from the human body Plate 11, the bottom of the rear support plate is rolled from the bottom to the direction of the supporting plate to form a hollow cylindrical rear support foot 12; the rear support plate and the rear support foot are divided into two parts at the middle position of the rear support plate 11 and the rear support foot 12. The positioning holes 13 of the left and right sections.

The end of the pedal corresponding to the sole of the foot is on the top, and the end corresponding to the sole of the foot is on the bottom. The upper part of the pedal is larger and the lower part is smaller. A hollow cylindrical fixed column 21 is arranged on the inner side of the downward end of the pedal, which is arranged on the central axis of the pedal near the bottom of the pedal. Through the adjustment hole of the pedal; on the bottom wall of the supporting plate behind the positioning hole, two lugs 14 with shaft holes protruding downward are provided; the side of the positioning shaft is provided with a belt and a screw through the positioning shaft The external thread on the screw hole matches the internal thread on the screw.

The outward end of the screw rod 3 is provided with a handle, and the end away from the handle is provided with a polygonal rotating hole sunken toward the handle direction; the positioning shaft is inserted between the two lugs and fixed, so that the screw hole on the positioning shaft is aligned with the handle. The adjustment holes on the pedals are on the same axis.

The motor sleeve is hollow and has openings at both ends, and the motor sleeve is fixed on the outer wall or lug of the positioning shaft, so that the motor sleeve is coaxial with the screw hole on the positioning shaft; the symmetrical two ends of the motor sleeve away from the end edge of the positioning shaft The side is provided with sliding grooves that are recessed toward the positioning shaft, and the opposite sides of the motor are provided with outwardly protruding positioning rods. Align each positioning rod with a sliding groove, push the motor into the motor sleeve, and make the output shaft of the motor face the positioning The screw hole on the shaft, the output shaft of the motor and the rotation hole on the screw form a tight fit; the length of the screw 4 is greater than the length of the fixed column 21, the diameter of the screw is less than the diameter of the fixed column, the screw head and the screw The diameter of the cap is larger than the diameter of the fixing column but smaller than the diameter of the inner hole of the rear supporting foot.

The motor is a micro-motor with a low rotating speed, and the switch of the motor is set on the supporting plate or the pedal or controlled by a remote controller, and the output shaft of the motor can rotate forward or reversely. The power supply of the motor is powered by an external power supply or a battery.

During assembly, the bottom of the pedal is inserted into the positioning hole 13 from the outside to the inside, so that the inner hole of the fixed column 21 on the lower part of the pedal is on the same axis as the inner hole of the rear support foot 12, and then the screw 4 is inserted from the rear support foot 12. Insert one side, make the end of the screw pass through the fixed column 21 below the pedal, then put the nut from the other side of the rear support foot and screw it on the end of the screw, under the action of external force, the pedal can move around the screw Rotate forward or backward, insert the positioning shaft into the shaft holes on the two lugs to fix, make the screw hole on the positioning shaft coaxial with the adjustment hole on the pedal, insert the screw into the adjustment hole in the way that the rotation hole is in front, so that The end of the screw reaches the screw hole on the positioning shaft, then rotate the handle of the screw, so that the screw continues to enter the screw hole and enter the motor sleeve, put the motor into the motor sleeve, so that each positioning rod of the motor is located in a sliding groove, and use a tool to touch it. Tighten the motor, press the output shaft of the motor into the rotation hole at the end of the screw, and the output shaft of the motor forms a tight fit with the rotation hole at the end of the screw. When the motor is working, the output shaft of the motor drives the screw to rotate forward or reverse, so that the screw moves toward the human body or away from the human body on the screw hole of the positioning shaft.

When the screw moves towards the human body, the handle at the end of the screw will push the pedal towards the human body until the pedal reaches the rear support plate, and the screw moves towards the human body while driving the motor along the sliding groove to move away from the positioning axis Move, in order to prevent the motor from slipping out of the sliding groove, a cover is set at the open end of the motor cover away from the positioning shaft, and the motor is put into the back cover of the motor cover to cover the cover.

When the screw moves away from the human body, the handle at the end of the screw will relax the pressure on the pedal. At this time, use the pedal or hand to make the pedal turn away from the human body, and at the same time drive the motor to move along the sliding groove to the positioning shaft. When the pedal is rotated to a suitable position, the motor is turned off to stop the screw rod from moving, so that the angle between the pedal and the rear support plate can be changed.

In practical applications, the position of the screw on the screw hole of the positioning shaft can also be changed by rotating the handle, so that the angle between the pedal and the rear support plate can also be changed.

The diameter of the adjustment hole is larger than the diameter of the screw rod, so that the screw rod can move freely in the adjustment hole.

The back side of the pedal 2 is provided with an outwardly protruding reinforcing ridge 22, and the adjustment hole runs through the reinforcing ridge.

The medical device also includes a ball 8, which is provided with a through hole through the ball. The adjustment handle is separated from the adjustment hole to facilitate rotation, and it also plays a role in preventing rigid collision between the handle and the pedal during the adjustment process.

The opening end of the adjustment hole facing the ball is provided with a hemispherical inlet that is recessed toward the positioning axis. Under the action of external force, half of the ball can enter the hemispherical inlet, and the ball and the hemispherical inlet form a nested fit.

Holes for straps are oppositely arranged on both sides of the supporting board, and the straps pass through the strap holes to fix the patient's lower limbs on the supporting board.

When in use, the patient lies down or sits, puts the lower limb on the spastic side on the supporting board, and the sole of the foot rests on the pedal; the patient's muscle contraction makes the sole of the foot forcefully push against the pedal, due to the influence of the position of the screw, The pedal remains in place and cannot be tilted backwards, while the knee joint is bound by the straps to keep it straight, so as to stretch the muscles and relieve the spasm symptoms; after the spasm symptoms disappear, remove the therapeutic device.

According to different patients, start the motor or rotate the handle to move the screw to the direction of the human body or away from the human body, so that the angle between the pedal and the rear support plate can be changed.

For severe patients in the treatment process, the product of the present invention can reduce the spasm pain and spasm duration of bedridden and immobile patients, help to reduce the labor intensity of medical staff, reduce the fear of patients, and improve the enthusiasm for medical treatment.

The product of the invention can adapt to patients of different genders and different body types, can adjust the angle between the pedal and the back support plate, and expose the main acupuncture points on both sides of the legs and soles, and can be massaged to help relieve spasm symptoms when spasms occur.

The above-mentioned embodiments are only used to illustrate and explain the purpose of the present invention, rather than to limit the present invention. Those of ordinary skill in the art may make various changes or substitutions within the essential scope of the present invention, which shall also belong to the present invention. scope of protection for inventions.

Claims (5)

1. Medical Devices, is characterized in that: mainly by supporting plate (1), pedal (2), screw rod (3), screw (4), locationAxle (5), electronic mantle (6) and motor (7) composition; Supporting plate is placed on a platform, and lower limb are placed on to supporting plateUpper, ride at pedal on the end face of human body; Being provided with top at supporting plate away from one end of human body tilts to human body directionThe rear bearing sheet (11) that bottom tilts to the direction away from human body, the bottom of rear bearing sheet is the direction turnup to supporting plate from lowerA hollow cylindrical rear support pin of rear formation (12); Interposition at rear bearing sheet (11) and rear support pin (12) installsPut the locating hole (13) that rear bearing sheet and rear support pin is divided into two sections of left and right; One end of the described corresponding sole of pedal existsUpper, one end of corresponding sole under, pedal is up big and down small, is provided with the cylindrical of hollow in pedal end inner side downFixed leg (21) arranges the adjustment hole that runs through pedal on the pedal axis near pedal bottom; Be positioned at locating holeOutstanding downwards two lugs (14) with axis hole are set on the supporting plate diapire at rear; Establish the side of described locating shaftHave connect locating shaft with screw rod on the screw hole of the internal thread that matches of external screw thread; Described screw rod (3) courtOuter end is provided with handle, is being provided with to the polygon rotating hole of handle orientations depression away from the end of handle; DescribedLocating shaft inserts between two lugs fixing, makes adjustment hole on screw hole and the pedal on locating shaft in same axisOn; Described electronic mantle hollow and both ends open, electronic mantle is fixed on the outer wall or lug of locating shaft, makes electricityMotivation cover is coaxial with the screw hole on locating shaft; Establish away from the symmetrical both sides of the terminal edge of locating shaft at electronic mantlePut to the sliding tray of locating shaft direction depression, the both sides that motor is relative are provided with outwards outstanding backstay, fixed by everyThe accurate sliding tray of position pole pair, in motor propulsion motor cover, the output shaft that makes motor is on locating shaftScrew hole, the rotating hole on output shaft and the screw rod of described motor forms tight fit; The length of described screw (4)Degree is greater than the length of fixed leg (21), and the diameter of screw is less than the diameter of fixed leg, and the diameter of screw terminal and nut is greater thanThe diameter of fixed leg but be less than the diameter of bore of rear support pin; When assembling, the bottom of described pedal is from inserting outside to insideLocating hole (13), makes the endoporus of fixed leg (21) of pedal bottom and the endoporus of rear support pin (12) in same axisUpper, then screw (4) is inserted from a side of rear support pin (12), make the end of screw through the fixed leg of pedal below(21), then nut is put into and is screwed in the end of screw from the opposite side of rear support pin, under the effect of external force, step onPlate can rotate forward or backward around screw, and the axis hole that locating shaft is inserted on two lugs is fixed, and makes on locating shaftScrew hole coaxial with the adjustment hole on pedal, screw rod inserted to adjustment hole by the preceding mode of rotating hole, make screw rodEnd arrives the screw hole on locating shaft, and the then handle of rotary screw, makes screw rod continue to enter screw hole and enter electronicMantle, puts motor into electronic mantle, makes every backstay of motor be positioned at a sliding tray, supports with instrumentTight motor, compresses into the output shaft of motor the rotating hole of screw rod end, in the time that motor is worked, and motor defeatedShaft drives screw rod to rotate forward or backwards, thus screw rod is moved to the direction of human body on the screw hole of locating shaft orMove to the direction away from human body, when screw rod moves to the direction of human body, the handle of screw rod end will be by pedal to peopleThe direction of body pushes away, until pedal arrives on rear bearing sheet, and driving electric machine edge when screw rod moves to the direction of human bodySliding tray moves to the direction away from locating shaft; When screw rod moves to the direction away from human body, the handle of screw rod end justCan loosen the pressure to pedal, pedal can be rotated to the direction away from human body, driving electric machine is along sliding tray simultaneouslyDirection to locating shaft moves, thereby can change the angle between pedal and rear bearing sheet.

2. Medical Devices according to claim 1, is characterized in that: the back side of pedal (2) is provided with adding of outwards giving prominence toStrong ridge (22), described adjustment hole runs through reinforcement ridge.

3. Medical Devices according to claim 1, is characterized in that: described Medical Devices also comprise a ball (8),On ball, be provided with the through hole that runs through ball, ball is enclosed within on screw rod, and ball is between the handle and adjustment hole of screw rod.

4. Medical Devices according to claim 3, is characterized in that: adjustment hole towards the openend of ball be provided withTo the hemispherical entrance of locating shaft direction depression, ball has half can enter hemispherical entrance under the effect of external forceIn, ball enters with hemispherical that interruption-forming is nested to be coordinated.

5. Medical Devices according to claim 1, is characterized in that: at opposite disposed bandage hole, supporting plate both sides, bandageThrough bandage hole, patient's lower limb are fixed on supporting plate.