CN215960912U

CN215960912U - Ankle traction device used in ankle arthroscopy

Info

Publication number: CN215960912U
Application number: CN202120674160.XU
Authority: CN
Inventors: 程桯
Original assignee: Wangjing Hospital Of China Academy Of Chinese Medical Sciences Institute Of Orthopedics And Traumatology China Academy Of Chinese Medical Sciences
Current assignee: Wangjing Hospital Of China Academy Of Chinese Medical Sciences Institute Of Orthopedics And Traumatology China Academy Of Chinese Medical Sciences
Priority date: 2021-04-01
Filing date: 2021-04-01
Publication date: 2022-03-08
Anticipated expiration: 2031-04-01

Abstract

The utility model relates to the technical field of medical instruments, and provides an ankle traction device used in an ankle arthroscopy. The method comprises the following steps: the traction seat I and the fixed seat are connected through the telescopic adjusting device, the fixed seat is fixed on the treatment couch, and the traction seat II is detachably arranged on the traction seat I; the second traction seat is provided with a support, the upper portion of the support is an insertion pipe, a rotating rod is installed in the insertion pipe in a rotating mode, a mounting seat is installed on the lower portion of the rotating rod, a swinging rod is installed at the top of the rotating rod in a rotating mode, and the rear end of the mounting seat is hinged to one end of a telescopic rod. The utility model has the beneficial effects that: the traction seat I can be independently used for only completing traction in the front-back direction, and the traction seat II can be integrally used for completing the movement in the front-back direction, the up-down direction and the axial rotation, so that more ankle joint operation requirements are met.

Description

Ankle traction device used in ankle arthroscopy

Technical Field

The utility model relates to the technical field of medical instruments, in particular to an ankle traction device used in an ankle arthroscopy.

Background

The ankle joint is the joint with the largest load of the human body, and the weight born by the ankle joint can be more than 5 times of that of the human body during movement. Along with the change of life style of human, people who participate in various sports are more and more, and various ankle joint sports injuries gradually become important diseases which affect the life quality and the sports ability of people.

In recent 10 years, arthroscopic technologies and equipment in China have been developed in a long-term manner, synchronization with the world is achieved, and after the arthroscopic technologies of the knee and the shoulder are successful, the development of the arthroscopic technologies of the ankle is also concerned highly. The ankle arthroscopy operation amount is second to that of knee arthroscopies and shoulder arthroscopies, the technical advantage is that the ankle joint, the subtalar joint and the adjacent structure can be directly observed by utilizing a tiny incision, then the pathological changes are pertinently processed, the postoperative pain is light, the complication is few, the rehabilitation is rapid, the patient can recover the activity early, and the ankle arthroscopy operation amount is popular among specialists and patients.

The prior art Chinese patent CN209332408U discloses a traction device special for an ankle arthroscope, which comprises a fixed base and a traction piece, wherein the traction piece comprises a fixed cylinder, a base, a rotating shaft, a moving rod and a traction belt, a first step hole and a second step hole are arranged in the fixed cylinder, a convex column is arranged at one end of the base, and the convex column is positioned in the first step hole; one end of the movable rod is positioned in the second stepped hole and is provided with a guide block; a guide groove is arranged in the second stepped hole, and the guide block is positioned in the guide groove; one end of the moving rod is provided with a groove, the rotating shaft is positioned in the groove, and one end of the rotating shaft is fixed on the convex column; the rotating shaft is in threaded connection with the moving rod; the central axis of the convex column, the central axis of the movable rod and the central axis of the rotating shaft are collinear; one end of the traction belt is wound on the foot of the patient, and the other end of the traction belt is connected with one end of the movable rod, which is far away from the groove. The ankle joint traction device is simple and convenient to operate, and can perform targeted traction on different patients to widen the ankle joint gap, fully expose the operation visual field and improve the operation efficiency.

However, the above-described device cannot adjust the traction height and the traction swing angle of the knee joint, and has a complicated structure and limited use.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an ankle traction device for use in ankle arthroscopy, which solves the problems in the prior art.

In order to achieve the purpose, the utility model adopts the technical scheme that: an ankle traction device for use in an ankle arthroscopy, comprising: the traction seat I and the fixed seat are connected through the telescopic adjusting device, the fixed seat is fixed on the treatment couch, and the traction seat II is detachably arranged on the traction seat I; the second traction seat is provided with a support, the upper portion of the support is an insertion pipe, a rotating rod is installed in the insertion pipe in a rotating mode, a mounting seat is installed on the lower portion of the rotating rod, a swinging rod is installed at the top of the rotating rod in a rotating mode, and the rear end of the mounting seat is hinged to one end of a telescopic rod.

In an optional embodiment, the front end of the swing rod is provided with a traction hole; the intubation tube and the rotating rod are positioned through a second tightening bolt.

In an optional embodiment, the first traction seat is provided with a lower leg support plate, a sole support plate and a connecting seat, and the connecting seat is fixedly connected to the rear end of the lower leg support plate; the shank supporting plate is fixedly connected with the sole supporting plate, a plurality of shank fixing bands are arranged on the shank supporting plate, and a plurality of instep fixing bands are arranged on the sole supporting plate.

In an optional embodiment, the lower leg fixing straps and the instep fixing straps are detachable elastic fixing straps, and the number of the lower leg fixing straps and the instep fixing straps is 1-3.

In an optional embodiment, the telescopic rod is an electric telescopic rod, an air cylinder or a hydraulic cylinder.

In an optional embodiment, the fixed seat is provided with a bottom plate, and the lower part of the bottom plate is respectively provided with a first fixed plate, a first supporting plate, a first pull pin, a second fixed plate, a second supporting plate and a second pull pin which correspond to each other; the first pull pin penetrates through the first supporting plate, a first spring is sleeved on the first pull pin, a second pull pin penetrates through the second supporting plate, and a second spring is sleeved on the second pull pin.

In an optional embodiment, a connecting base is arranged at the upper part of the bottom plate, a cavity is arranged in the middle of the connecting base, a third connecting shaft and a fourth connecting shaft are rotatably connected to the connecting base, and the third connecting shaft and the fourth connecting shaft penetrate through the cavity; and the connecting base is also provided with two first tightening bolts for positioning the connecting shaft III and the connecting shaft IV.

In an optional embodiment, the telescopic adjusting device is provided with a first connecting rod, a second connecting rod, a fifth connecting shaft, a sixth connecting shaft, a third connecting rod and a fourth connecting rod; the first connecting rod is fixedly connected with the third connecting shaft, and the first connecting rod and the third connecting rod are hinged through the fifth connecting shaft; the second connecting rod is fixedly connected with the fourth connecting shaft, and the second connecting rod and the fourth connecting rod pass through the sixth connecting shaft to be hinged.

In an optional embodiment, the third connecting rod is hinged to a first connecting shaft fixedly arranged on the connecting seat, and the fourth connecting rod is hinged to a second connecting shaft fixedly arranged on the connecting seat.

In an optional embodiment, the telescopic adjusting range of the telescopic adjusting device is 0-50 cm.

The utility model has the beneficial effects that:

(1) the ankle traction device in the ankle arthroscopy is provided with a first traction seat, a second traction seat, a fixed seat and a telescopic adjusting device, and the whole front and back movement of the two traction seats can be realized through the telescopic device; still be provided with swing mechanism in traction seat two, can realize the swing of the upper and lower direction of traction hole, in addition, traction seat two can also realize rotating, and then accomplishes reciprocating and axial rotation of traction hole, can assist the ankle joint operation of accomplishing better.

(2) The ankle traction device in the ankle arthroscopy is provided with the fixing seat and the telescopic adjusting device, wherein the fixing seat can fix the ankle joint therapeutic apparatus on the bed body, so that the ankle joint therapeutic apparatus is convenient for a patient to use; the telescopic adjusting device can stretch back and forth, meets the use requirements of patients with different heights, and improves the comfort and convenience of the patients.

(3) The traction seat II arranged on the traction seat I in the ankle traction device in the ankle arthroscopy can be detached, so that the traction seat I can be independently used for only completing traction in the front-back direction, and the traction seat II can be integrally used for completing movement in the front-back direction and the up-down direction and axial rotation, thereby meeting more ankle surgery requirements.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed for the embodiments or the prior art descriptions will be briefly described 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 to obtain other drawings without creative efforts.

Fig. 1 is a schematic view showing the overall construction of an ankle traction apparatus for use in an ankle arthroscopy according to an embodiment of the present invention.

FIG. 2 is an enlarged view of a portion A of FIG. 1 according to the present invention.

FIG. 3 is a schematic structural view of a fixing base in an ankle traction device in an ankle arthroscopy according to an embodiment of the present invention.

FIG. 4 is a schematic structural view of a second traction base in the ankle traction device in the ankle arthroscopy according to an embodiment of the utility model.

Wherein, the reference numbers in the figures are: 1. traction seat I, 1-1, shank fixing strap 1-2, shank supporting plate 1-3, sole supporting plate 1-4, instep fixing strap 1-5, connecting seat 1-6, connecting shaft I, 1-7, connecting shaft II, 2, fixing seat 2-1, bottom plate 2-2, fixing plate II, 2-3, fixing plate I, 2-4, supporting plate I, 2-5, supporting plate II, 2-6, pull pin II, 2-7, pull pin I, 2-8, spring I, 2-9, spring II, 2-10, connecting base 2-11, connecting shaft III, 2-12, connecting shaft IV, 2-13, tightening bolt I, 3, telescopic adjusting device 3-1, connecting rod I, 3-2 and connecting rod II, 3-3 parts of connecting shaft five, 3-4 parts of connecting shaft six, 3-5 parts of connecting rod three, 3-6 parts of connecting rod four, 4 parts of traction seat two, 4-1 parts of support, 4-2 parts of insertion pipe, 4-3 parts of tightening bolt two, 4-4 parts of rotating rod, 4-5 parts of mounting seat, 4-6 parts of telescopic rod, 4-7 parts of oscillating rod, 4-8 parts of traction hole.

Detailed Description

In order to make the technical problems, technical solutions and advantageous effects to be solved by the present invention more clearly apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly or indirectly secured to the other element. When an element is referred to as being "connected to" another element, it can be directly or indirectly connected to the other element. The terms "upper", "lower", "left", "right", "front", "rear", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positions based on the orientations or positions shown in the drawings, and are for convenience of description only and not to be construed as limiting the technical solution. The terms "first", "second" and "first" are used merely for descriptive purposes and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features. The meaning of "plurality" is two or more unless specifically limited otherwise.

Example one

Referring to fig. 1 to 4, the present embodiment is directed to an ankle traction apparatus for use in an ankle arthroscopy, comprising: the traction seat I1, the traction seat II 4, the fixed seat 2 and the telescopic adjusting device 3 are connected through the telescopic adjusting device 3, the fixed seat 2 is fixed on the treatment couch, and the traction seat II 4 is detachably arranged on the traction seat I1; the second traction seat 4 is provided with a support 4-1, the upper part of the support 4-1 is an insertion tube 4-2, a rotating rod 4-4 is rotatably installed in the insertion tube 4-2, an installation seat 4-5 is installed at the lower part of the rotating rod 4-4, a swing rod 4-7 is rotatably installed at the top part of the rotating rod 4-4, the rear ends of the installation seat 4-5 and the swing rod 4-7 are respectively hinged with one end of a telescopic rod 4-6, and preferably, the telescopic rod 4-6 is an electric telescopic rod in the embodiment.

It should be pointed out that, install and to dismantle at the second 4 of traction seat on traction seat 1, can use traction seat 1 alone and only accomplish the traction of fore-and-aft direction, can use the removal and the axial rotation of traction seat two 4 completion fore-and-aft, upper and lower direction integratively again, satisfy more ankle joint operation demands.

Specifically, the front end of the swing rod 4-7 is provided with a traction hole 4-8 for connecting with a foot fixing device; the insertion tube 4-2 and the rotating rod 4-4 are positioned by screwing the bolt II 4-3, and the insertion tube 4-2 and the rotating rod 4-4 are fixed when relatively rotating to the angle required by the operation.

Wherein, the traction seat I1 is provided with a crus supporting plate 1-2, a sole supporting plate 1-3 and a connecting seat 1-5, the crus supporting plate 1-2 is fixedly connected with the sole supporting plate 1-3, and the connecting seat 1-5 is fixedly connected with the rear end of the crus supporting plate 1-2. A plurality of shank fixing belts 1-1 are arranged on the shank supporting plate 1-2, and a plurality of instep fixing belts 1-4 are arranged on the sole supporting plate 1-3; preferably, in this embodiment, the lower leg fixing straps 1-1 and the instep fixing straps 1-4 are detachable elastic fixing straps, and the number of the lower leg fixing straps 1-1 and the instep fixing straps 1-4 is 2.

Furthermore, the fixed seat 2 is provided with a bottom plate 2-1, and the lower part of the bottom plate 2-1 is respectively provided with a corresponding fixed plate I2-3, a supporting plate I2-4, a pull pin I2-7, a fixed plate II 2-2, a supporting plate II 2-5 and a pull pin II 2-6; the first pull pin 2-7 penetrates through the first supporting plate 2-4, the first spring 2-8 is sleeved on the first pull pin 2-7, the second pull pin 2-6 penetrates through the second supporting plate 2-5, the second spring 2-9 is sleeved on the second pull pin 2-6, and the fixed seat 2 is fixed on the bed body through the elastic force of the two springs, so that the disassembly is convenient, and the operation is convenient and reliable.

Furthermore, a connecting base 2-10 is arranged at the upper part of the bottom plate 2-1, a cavity is arranged in the middle of the connecting base 2-10, a connecting shaft III 2-11 and a connecting shaft IV 2-12 are rotatably connected to the connecting base 2-10, and the connecting shaft III 2-11 and the connecting shaft IV 2-12 penetrate through the cavity; the connecting base 2-10 is also provided with two tightening bolts I2-13, and when the connecting shaft III 2-11 and the connecting shaft IV 2-12 rotate to required positions, the two tightening bolts I2-13 are tightened to position the connecting shaft III 2-11 and the connecting shaft IV 2-12.

In addition, the telescopic adjusting device 3 is provided with a first connecting rod 3-1, a second connecting rod 3-2, a fifth connecting shaft 3-3, a sixth connecting shaft 3-4, a third connecting rod 3-5 and a fourth connecting rod 3-6; the connecting rod I3-1 is fixedly connected with the connecting shaft III 2-11, and the connecting rod I3-1 and the connecting rod III 3-5 are hinged through the connecting shaft V3-3; the second connecting rod 3-2 is fixedly connected with the fourth connecting shaft 2-12, and the second connecting rod 3-2 and the fourth connecting rod 3-6 are hinged through a sixth connecting shaft 3-4. The connecting rod three 3-5 is hinged with a connecting shaft one 1-6 fixedly arranged on the connecting seat 1-5, and the connecting rod four 3-6 is hinged with a connecting shaft two 1-7 fixedly arranged on the connecting seat 1-5.

It should be noted that the rotation of the third connecting shaft 2-11 and the fourth connecting shaft 2-12 drives the telescopic adjusting device 3 to extend and retract, the telescopic adjusting range of the telescopic adjusting device 3 is 0-30cm, the use requirements of patients with different heights are met, and the comfort and the convenience of the patients in use are improved.

Example two

Referring to fig. 1 to 4, the present embodiment is directed to an ankle traction apparatus for use in an ankle arthroscopy, comprising: the traction seat I1, the traction seat II 4, the fixed seat 2 and the telescopic adjusting device 3 are connected through the telescopic adjusting device 3, the fixed seat 2 is fixed on the treatment couch, and the traction seat II 4 is detachably arranged on the traction seat I1; the second traction seat 4 is provided with a support 4-1, the upper part of the support 4-1 is an insertion pipe 4-2, a rotating rod 4-4 is rotatably installed in the insertion pipe 4-2, an installation seat 4-5 is installed at the lower part of the rotating rod 4-4, a swing rod 4-7 is rotatably installed at the top of the rotating rod 4-4, the rear ends of the installation seat 4-5 and the swing rod 4-7 are respectively hinged with one end of a telescopic rod 4-6, preferably, the telescopic rod 4-6 is an air cylinder in the embodiment.

Wherein, the traction seat I1 is provided with a crus supporting plate 1-2, a sole supporting plate 1-3 and a connecting seat 1-5, the crus supporting plate 1-2 is fixedly connected with the sole supporting plate 1-3, and the connecting seat 1-5 is fixedly connected with the rear end of the crus supporting plate 1-2. A plurality of shank fixing belts 1-1 are arranged on the shank supporting plate 1-2, and a plurality of instep fixing belts 1-4 are arranged on the sole supporting plate 1-3; preferably, in this embodiment, the lower leg fixing straps 1-1 and the instep fixing straps 1-4 are detachable elastic fixing straps, and the number of the lower leg fixing straps 1-1 and the instep fixing straps 1-4 is 3.

It should be noted that the rotation of the third connecting shaft 2-11 and the fourth connecting shaft 2-12 drives the telescopic adjusting device 3 to extend and retract, the telescopic adjusting range of the telescopic adjusting device 3 is 0-50cm, the use requirements of patients with different heights are met, and the comfort and the convenience of the patients in use are improved.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.

Claims

1. An ankle traction device for use in an ankle arthroscopy, comprising: the traction bed comprises a first traction seat (1), a second traction seat (4), a fixed seat (2) and a telescopic adjusting device (3), wherein the first traction seat (1) and the fixed seat (2) are connected through the telescopic adjusting device (3), the fixed seat (2) is fixed on a treatment bed, and the second traction seat (4) is detachably mounted on the first traction seat (1);

the method is characterized in that: the traction seat II (4) is provided with a support (4-1), the upper portion of the support (4-1) is an insertion pipe (4-2), a rotating rod (4-4) is installed in the insertion pipe (4-2) in a rotating mode, a mounting seat (4-5) is installed on the lower portion of the rotating rod (4-4), a swing rod (4-7) is installed at the top of the rotating rod (4-4) in a rotating mode, and the rear end of the mounting seat (4-5) and the rear end of the swing rod (4-7) are hinged to one end of a telescopic rod (4-6) respectively.

2. The ankle traction device for use in an ankle arthroscopy according to claim 1, wherein the front end of the swing link (4-7) is provided with a traction hole (4-8); the insertion pipe (4-2) and the rotating rod (4-4) are positioned by screwing a second bolt (4-3).

3. The ankle traction device for the ankle arthroscopy according to claim 2, wherein the traction base I (1) is provided with a lower leg support plate (1-2), a sole support plate (1-3) and a connecting base (1-5), and the connecting base (1-5) is fixedly connected to the rear end of the lower leg support plate (1-2); the crus supporting plate (1-2) is fixedly connected with the sole supporting plate (1-3), a plurality of crus fixing bands (1-1) are arranged on the crus supporting plate (1-2), and a plurality of instep fixing bands (1-4) are arranged on the sole supporting plate (1-3).

4. The ankle traction device for use in ankle arthroscopy according to claim 3, wherein the lower leg securing strap (1-1) and the instep securing strap (1-4) are detachable elastic securing straps, and the number of the lower leg securing strap (1-1) and the instep securing strap (1-4) is 1 to 3.

5. An ankle traction device for use in ankle arthroscopy, according to claim 1, characterized in that said telescopic rods (4-6) are electric telescopic rods, pneumatic cylinders or hydraulic cylinders.

6. The ankle traction device for the ankle arthroscopy according to claim 3, wherein the fixed base (2) is provided with a bottom plate (2-1), and the lower part of the bottom plate (2-1) is provided with a first fixing plate (2-3), a first supporting plate (2-4), a first pull pin (2-7), a second fixing plate (2-2), a second supporting plate (2-5) and a second pull pin (2-6); the first pull pin (2-7) penetrates through the first supporting plate (2-4), the first pull pin (2-7) is sleeved with a first spring (2-8), the second pull pin (2-6) penetrates through the second supporting plate (2-5), and the second pull pin (2-6) is sleeved with a second spring (2-9).

7. The ankle traction device for the ankle arthroscopy according to claim 6, wherein the upper part of the bottom plate (2-1) is provided with a connecting base (2-10), the middle part of the connecting base (2-10) is provided with a cavity, a connecting shaft III (2-11) and a connecting shaft IV (2-12) are rotatably connected to the connecting base (2-10), and the connecting shaft III (2-11) and the connecting shaft IV (2-12) penetrate through the cavity; the connecting base (2-10) is further provided with two first screwing bolts (2-13) for positioning the connecting shaft III (2-11) and the connecting shaft IV (2-12).

8. The ankle traction device for use in ankle arthroscopy according to claim 7, wherein the telescopic adjustment means (3) is provided with a first link (3-1), a second link (3-2), a fifth link (3-3), a sixth link (3-4), a third link (3-5) and a fourth link (3-6); the first connecting rod (3-1) is fixedly connected with the third connecting shaft (2-11), and the first connecting rod (3-1) and the third connecting rod (3-5) are hinged through the fifth connecting shaft (3-3); the second connecting rod (3-2) is fixedly connected with the fourth connecting shaft (2-12), and the second connecting rod (3-2) and the fourth connecting rod (3-6) are hinged through the sixth connecting shaft (3-4).

9. The ankle traction device for the ankle arthroscopy according to claim 8, wherein the third connecting rod (3-5) is hinged with the first connecting shaft (1-6) fixedly arranged on the connecting seat (1-5), and the fourth connecting rod (3-6) is hinged with the second connecting shaft (1-7) fixedly arranged on the connecting seat (1-5).

10. The ankle traction device for use in ankle arthroscopy according to claim 9, wherein the telescopic adjustment range of the telescopic adjustment means (3) is 0-50 cm.