CN114732587A

CN114732587A - Correction device for treating knee osteoarthritis deformity

Info

Publication number: CN114732587A
Application number: CN202210371857.9A
Authority: CN
Inventors: 蔡元真; 鲁超; 刘林
Original assignee: Xian Honghui Hospital
Current assignee: Xian Honghui Hospital
Priority date: 2022-04-11
Filing date: 2022-04-11
Publication date: 2022-07-12

Abstract

The invention discloses a correction device for treating knee osteoarthritis deformity, which comprises a limiting mechanism consisting of a mounting sleeve and a connecting sleeve rotatably connected with one end inside the mounting sleeve, wherein one end of the outer wall of the mounting sleeve is fixedly provided with a driving component capable of controlling the rotating motion of the connecting sleeve, the outside of the connecting sleeve is rotatably sleeved with a supporting sleeve, the inside of the supporting sleeve is fixedly provided with a clamping component capable of restraining and fixing the lower limbs of a patient, and the outer wall of the connecting sleeve is fixedly provided with an exhaust component capable of controlling the contraction and expansion operation of the clamping component. This device carries out the centre gripping location through earlier to patient knee joint position, adjusts the processing to the angle of the knee joint of patient after by the centre gripping location again, through above-mentioned mode, has improved the correction effect of patient's knee joint.

Description

Correction device for treating knee osteoarthritis deformity

Technical Field

The invention relates to the technical field of medical appliances, in particular to a correction device for treating knee osteoarthritis deformity.

Background

Clinically, patients develop knee varus and knee valgus. The factors of the attack include congenital genetic factors and acquired secondary factors. The knee varus and the knee valgus are different from each other, in appearance, the knee varus is an O-shaped leg, the distance between the two knees is increased, the knee valgus is an X-shaped leg in appearance, and the distance between the two knees is reduced. The treatment method is different, the knee varus can adopt closed osteotomy, meanwhile, a brace is required to be used for fixation after the operation, the conventional proximal tibia can also be adopted for wedge-shaped osteotomy, and the correction brace is required to be worn for fixation after the operation. The knee valgus requires a conventional incision for a wedge resection on the femoral condyle and also requires a brace to be fixed after the operation.

At present, the fixed brace of traditional postoperative can't be with the angle modulation of patient's knee joint correction to the required within range that requires of medical personnel, has reduced the correction effect of patient's knee joint postoperative. Based on the above, the invention designs an orthotic device for treating knee osteoarthritis deformity to solve the problems.

Disclosure of Invention

The present invention aims to provide an orthotic device for treating knee osteoarthritis deformities, which solves the problems set forth in the background art.

In order to achieve the purpose, the invention provides the following technical scheme: the correcting device for treating knee osteoarthritis deformity comprises a limiting mechanism consisting of a mounting sleeve and a connecting sleeve rotatably connected with one end inside the mounting sleeve, wherein a driving component capable of controlling the rotating motion of the connecting sleeve is fixedly arranged at one end of the outer wall of the mounting sleeve, a supporting sleeve is rotatably sleeved outside the connecting sleeve, a clamping component capable of restraining and fixing the lower limbs of a patient is fixedly arranged inside the supporting sleeve, and an exhaust component capable of controlling the contraction and expansion operations of the clamping component is fixedly arranged on the outer wall of the connecting sleeve;

the drive assembly including set firmly in installation cover outer wall one end have just reversing, auto-lock and low-speed function's motor, the gear that the motor head end set firmly meshes with the rack that the outside one end fixed cover of adapter sleeve was established mutually, the centre gripping subassembly including set firmly in the air cushion of the inside one end left and right sides of adapter sleeve, the air cushion outside is provided with the hole of stepping down with adapter sleeve body coupling, the exhaust subassembly including set firmly have in supporting cover outer wall left side and take out and beat dual-purpose air pump, the air pump inboard is provided with the exhaust hole with adapter sleeve body coupling.

Furthermore, the outer part of the binding band fixedly arranged at one end of the mounting sleeve is provided with a Chinese character 'ri' buckle in a sliding way, and the inner side of the binding band is sewed with a soft cushion.

Furthermore, the inside of the connecting sleeve is integrally provided with a guide groove in a surrounding mode, and a sliding block arranged in the guide groove in a sliding mode performs circular motion by taking the center of the connecting sleeve as a circle center.

Furthermore, the outer side of the sliding block is fixedly connected with the supporting sleeve, so that the stability that the supporting sleeve and the connecting sleeve are concentric mutually is ensured.

Furthermore, through the effect of sliding connection of the sliding block in the guide groove, when the support sleeve rotates, the position movement along the outer surface direction of the connecting sleeve is avoided.

Furthermore, the threaded pin which is threaded through at the front end and the rear end of one side of the outer part of the support sleeve is connected with the threaded hole which is integrally designed at the front end and the rear end of one side of the inner part of the connecting sleeve in a threaded connection mode.

Furthermore, the outer parts of the motor and the gear are sleeved with a cover body fixedly connected with the mounting sleeve, so that the motor and the gear are isolated from the outside.

Furthermore, the lower end of the gear is provided with a mounting hole which is integrally connected with the mounting sleeve, the mounting hole gives up the space for the gear and the rack to be meshed with each other, and the mounting hole is a through hole.

Furthermore, one end of the outer wall of the support sleeve is fixedly provided with a lithium battery which can be connected with the motor and the air pump through wires.

Furthermore, the yielding holes and the exhaust holes are all through holes, so that the air pump can smoothly discharge air into the air cushion, or the air pump discharges the air in the air cushion to the outside.

Compared with the prior art, the invention has the beneficial effects that:

1. the device is stably connected with the lower limbs of a patient in a fixed wearing mode, and the clamping and fixing treatment is carried out on the postoperative part of the knee joint of the patient through the clamping component, so that the postoperative part of the knee joint of the patient is fixed in position, and the positioning effect of the postoperative knee joint of the patient is ensured.

2. The drive assembly controls the connecting sleeve and the clamping assembly to rotate, so that the connecting sleeve drives the clamping assembly and the knee joint of the patient to perform angle adjustment treatment, the correction angle of the knee joint of the patient is adjusted to be within the range required by medical staff, and the correction effect of the knee joint of the patient is improved.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a perspective view of the orthosis of the present invention for treating knee osteoarthritis deformities;

FIG. 2 is a cross-sectional view of the drive assembly;

FIG. 3 is a cross-sectional view of the mounting sleeve and the connection sleeve;

FIG. 4 is a cross-sectional view of the clamping assembly;

FIG. 5 is a perspective view of the internal structure of the orthosis for treating knee osteoarthritis deformity according to the present invention;

fig. 6 is a circuit diagram of the correction device for treating knee osteoarthritis deformity according to the present invention.

In the drawings, the components represented by the respective reference numerals are listed below:

1-an installation sleeve, 2-a connecting sleeve, 3-a driving component, 4-a supporting sleeve, 5-a clamping component, 6-an exhaust component, 301-a motor, 302-a gear, 303-a rack, 501-an air cushion, 502-an abdicating hole, 601-an air pump, 602-an exhaust hole, 7-a bandage, 8-a Chinese character 'ri' buckle, 9-a soft cushion, 10-a guide groove, 11-a sliding block, 12-a screw pin, 13-a threaded hole, 14-a cover body, 15-an installation hole and 16-a lithium battery.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example 1

As shown in fig. 1, fig. 2, fig. 3 and fig. 4, the device comprises a mounting sleeve 1 and a limiting mechanism consisting of a connecting sleeve 2 rotatably connected with one end inside the mounting sleeve 1, wherein a driving component 3 capable of controlling the connecting sleeve 2 to rotate is fixedly arranged at one end of the outer wall of the mounting sleeve 1, a supporting sleeve 4 is rotatably sleeved outside the connecting sleeve 2, a clamping component 5 capable of restraining and fixing the lower limb of a patient is fixedly arranged inside the supporting sleeve 4, and an exhaust component 6 capable of controlling the contraction and expansion operation of the clamping component 5 is fixedly arranged on the outer wall of the connecting sleeve 2;

the driving component 3 comprises a motor 301 which is fixedly arranged at one end of the outer wall of the mounting sleeve 1 and has forward and reverse rotation, self-locking and low-speed functions, a gear 302 which is fixedly arranged at the head end of the motor 3-1 is meshed with a rack 303 which is fixedly sleeved at one end of the outer part of the connecting sleeve 2, the clamping component 5 comprises air cushions 501 which are fixedly arranged at the left side and the right side of the inner end of the connecting sleeve 2, a yielding hole 502 which is integrally connected with the connecting sleeve 2 is formed in the outer side of the air cushions 501, the exhaust component 6 comprises an air pump 601 which is fixedly arranged at the left side of the outer wall of the supporting sleeve 4 and has pumping and beating functions, and an exhaust hole 602 which is integrally connected with the connecting sleeve 2 is formed in the inner side of the air pump 601. Firstly, the thigh of a patient is sleeved by the mounting sleeve 1, namely the shank of the patient is sleeved by the connecting sleeve 2, so that the supporting sleeve 4 is positioned at the knee joint position of the patient, according to the condition of the inversion or eversion of the knee joint of the patient, the supporting sleeve 4 is rotated until the air pump 601 is superposed with the left abdicating hole 502 or the right abdicating hole 502, namely the exhaust hole 602 at the inner side of the air pump 601 is superposed with the left abdicating hole 502 or the right abdicating hole 502, the medical personnel starts the inflating function of the motor 301 and the air pump 601 again, the air pump 601 discharges outside air into the air cushion 501 at the left side or the right side from the exhaust hole 602 through the abdicating hole 502, so that the air cushion 501 is expanded, the expanded air cushion 501 performs soft clamping treatment on the inner side or the outer side of the knee joint of the patient, further performs position positioning treatment on the postoperative knee joint position of the patient, when the knee joint of the patient meets the requirements of the medical personnel, medical personnel close air pump 601 earlier, open corotation or the reversal of motor 301 again, and motor 301 drive gear 302 drives rack 303 linkage adapter sleeve 2 and supports cover 4 and carry out slow rotation together with patient's knee joint uses the center of adapter sleeve 2 as the centre of a circle, is about to adjust the angle that patient's knee joint was corrected, and the back of finishing adjusting, it can to close motor 301.

Example 2

As shown in fig. 5 and 6, a buckle 8 is slidably penetrated through the outside of a binding band 7 fixedly arranged at one end of a mounting sleeve 1, a cushion 9 is sewed on the inner side of the binding band 7, a guide groove 10 is integrally arranged around the inside of a connecting sleeve 2, a sliding block 11 slidably arranged in the guide groove 10 performs circular motion by taking the center of the connecting sleeve 2 as a circle center, the outer side of the sliding block 11 is fixedly connected with a support sleeve 4, so that the mutual concentric stability of the support sleeve 4 and the connecting sleeve 2 is ensured, the position movement along the outer surface direction of the connecting sleeve 2 is avoided under the action of the sliding connection of the sliding block 11 in the guide groove 10 when the support sleeve 4 rotates, a threaded pin 12 which is penetrated through by threads at the front end and the rear end of the outside of the support sleeve 4 is connected with a threaded hole 13 which is integrally designed at the front end and the rear end of the inside of the connecting sleeve 2 in a threaded manner, a cover 14 which is fixedly connected with the mounting sleeve 1 is sleeved outside a motor 301 and a gear 302, therefore, the motor 301 and the gear 302 are isolated from the outside, the lower end of the gear 302 is provided with the mounting hole 15 which is integrally connected with the mounting sleeve 1, the mounting hole 15 allows a space for the gear 302 to be meshed with the rack 303, the mounting hole 15 is a through hole, one end of the outer wall of the support sleeve 1 is fixedly provided with the lithium battery 16 which can be connected with the motor 301 and the air pump 601 through wires, and the abdicating hole 502 and the exhaust hole 602 are through holes, so that the air pump 601 can smoothly exhaust air into the air cushion 501, or the air pump 601 exhausts the air in the air cushion 501 to the outside. When the mounting sleeve 1 and the connecting sleeve 2 are worn on the lower limb of a patient, medical staff can use the buckle 8 to shorten the length of the bandage 7 by the buckle 8, so that the bandage 7 and the mounting sleeve 1 are connected with the thigh of the patient stably, meanwhile, the cushion 9 is in contact with the thigh of the patient, pressure sores on the thigh of the patient caused by the buckle 8 are avoided, the patient is protected, when the support sleeve 4 drives the sliding block 11 to move and rotate along the direction of the guide groove 10, the sliding block 11 can limit the support sleeve 4 to move along the direction of the mounting sleeve 1 or in the opposite direction, the stability that the exhaust hole 602 and the abdicating hole 502 are positioned on the same plane is ensured, after the support sleeve 4 rotates, the medical staff can screw the threaded pin 12 into the threaded hole 13 to fix the position of the support sleeve 4 after rotating, namely, the support sleeve 4 and the connecting sleeve 2 are connected into a whole, the stable effect that exhaust hole 602 and abdicating hole 502 coincide each other has been ensured, the effect of keeping apart motor 301 and gear 302 with the external world through the cover body 14, avoids medical personnel's hand mistake contact gear 302 in the work, plays the protection to medical personnel and handles, through the energy supply of lithium cell 16 to motor 301 and air pump 601, has ensured the normality of motor 301 and air pump 601 during operation.

In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.

Claims

1. Correction device of treatment knee joint osteoarthritis deformity, its characterized in that: the limiting mechanism is composed of an installation sleeve (1) and a connecting sleeve (2) which is rotatably connected with one end in the installation sleeve (1), one end of the outer wall of the installation sleeve (1) is fixedly provided with a driving component (3) capable of controlling the connecting sleeve (2) to rotate, the outer part of the connecting sleeve (2) is rotatably sleeved with a supporting sleeve (4), a clamping component (5) capable of restraining and fixing the lower limb of a patient is fixedly arranged in the supporting sleeve (4), and an exhaust component (6) capable of controlling the clamping component (5) to contract and expand is fixedly arranged on the outer wall of the connecting sleeve (2);

drive assembly (3) including setting firmly motor (301) that installation cover (1) outer wall one end has just reversing, auto-lock and low-speed function, gear (302) that motor (301) head end set firmly meshes with rack (303) that adapter sleeve (2) outside one end fixed cover was established mutually, centre gripping subassembly (5) including setting firmly air cushion (501) in the inside one end left and right sides of adapter sleeve (2), air cushion (501) outside is provided with the hole of stepping down (502) with adapter sleeve (2) body coupling, exhaust subassembly (6) including setting firmly and have pump and beat dual-purpose air pump (601) in support cover (4) outer wall left side, air pump (601) inboard be provided with adapter sleeve (2) body coupling exhaust hole (602).

2. The correction device for treating knee osteoarthritis deformity according to claim 1, wherein the strap (7) fixed at one end of the mounting sleeve (1) is provided with a fastener (8) at the outer part thereof in a sliding way, and the inner side of the strap (7) is sewed with a soft pad (9).

3. The orthosis for treating knee osteoarthritis deformity according to claim 1, wherein the connecting sleeve (2) is integrally formed with a guide groove (10) therein, and the sliding block (11) slidably disposed in the guide groove (10) performs a circular motion around the center of the connecting sleeve (2).

4. The orthosis for treating knee osteoarthritis deformity according to claim 3, wherein the outside of the slider (11) is fixedly connected to the support sleeve (4) to ensure the stability of the support sleeve (4) and the connection sleeve (2) being concentric with each other.

5. The orthosis for treating knee osteoarthritis deformity according to claim 3, wherein the slide block (11) is slidably coupled in the guide groove (10) to prevent the support sleeve (4) from moving in position along the outer surface of the connection sleeve (2) when rotating.

6. The orthosis for treating knee osteoarthritis deformity according to claim 1, wherein the threaded pins (12) threaded through the front and rear ends of the outer side of the support sleeve (4) are connected with the integrally designed threaded holes (13) at the front and rear ends of the inner side of the connection sleeve (2) by means of screw connection.

7. The orthosis of claim 1, wherein the motor (301) and the gear (302) are externally sleeved with a cover (14) fixedly connected to the mounting sleeve (1), so as to isolate the motor (301) and the gear (302) from the outside.

8. The orthosis of claim 1, wherein the lower end of the gear (302) is provided with a mounting hole (15) integrally connected to the mounting sleeve (1), the mounting hole (15) provides a space for the gear (302) and the rack (303) to engage with each other, and the mounting hole (15) is a through hole.

9. The orthosis of claim 1 for treating knee osteoarthritis deformity, wherein a lithium battery (16) connected to a motor (301) and an air pump (601) via wires is fixedly disposed at one end of the outer wall of the support sleeve (4).

10. The orthosis of claim 1, wherein the relief hole (502) and the exhaust hole (602) are through holes, thereby ensuring that the air pump (601) can smoothly exhaust air into the air cushion (501) or the air pump (601) can exhaust air in the air cushion (501) to the outside.