Orthopedic dressing change device

Abstract

The utility model belongs to the field of medical treatment, and particularly relates to an orthopedic dressing change device which comprises a supporting sleeve rod. The bottom end of the supporting sleeve rod is fixedly connected with the top end of the base, a first supporting plate and a second supporting plate are arranged above the supporting sleeve rod, and an adjusting mechanism is arranged above the supporting sleeve rod; the adjusting mechanism comprises a lifting rod, the lifting rod is arranged in the supporting sleeve rod, and the bottom end of the lifting rod is inserted into the supporting sleeve rod; through the design of the adjusting mechanism, the function of freely adjusting the length according to the length of the legs of the patient is achieved, and the problems that an existing device is not provided with an assembly convenient to adjust, when dressing change treatment is conducted on the patient, the existing device is used for supporting the legs, and the length cannot be freely adjusted according to the length of the legs of the patient are solved. Therefore, the problem that limitation exists in the using process is solved, and the applicability is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to medical field, concretely is a kind of orthopedics dressing change device. BACKGROUND

[0002] Orthopedics dressing change device is a kind of medical equipment for orthopedic patient wound nursing, mainly used to assist medical staff to carry out dressing change operation, improve dressing change efficiency, alleviate patient's pain, and reduce the work intensity of medical staff.

[0003] The existing orthopedics dressing change device can specifically refer to the orthopedic nursing dressing change device with the application number CN202023201599.5, which comprises a containing frame, a protective frame is hingedly connected to one side of the top end of the containing frame, a plurality of first limiting strips are fixedly connected to the inner side wall of the containing frame, a plurality of installation grooves are formed in the inner side wall of the protective frame, a limiting mechanism is fixedly connected to the inner side wall of the installation groove, a protective cover is fixedly connected to the bottom of the limiting mechanism, a plurality of second limiting strips are fixedly connected to the inner side wall of the protective cover, and a screw is threadedly connected to the protective frame and the containing frame away from the hinge connection end. The limiting mechanism is provided, which makes the protective cover better fit the user's leg, facilitating better use, better fixing of the leg and better dressing change work. The setting of the movable ring, the first positioning ring and the second positioning ring in the existing mechanism facilitates better limiting of the movable rod and the protective cover, avoiding damage of the spring due to excessive compression or excessive stretching.

[0004] The above-mentioned device does not have a component that can be easily adjusted. When dressing a patient, the component of the existing device used to support the leg cannot freely adjust the length according to the length of the patient's leg to adapt to different patients, resulting in limitations in use. Therefore, a kind of orthopedics dressing change device is proposed to solve the above-mentioned problems. UTILITY MODEL CONTENTS

[0005] In order to make up for the shortcomings of the prior art, the existing device does not have a component that can be easily adjusted. When dressing a patient, the component of the existing device used to support the leg cannot freely adjust the length according to the length of the patient's leg to adapt to different patients, resulting in limitations in use. Therefore, a kind of orthopedics dressing change device is proposed to solve the above-mentioned problems.

[0006] The technical solution adopted by the utility model to solve its technical problems is: the utility model discloses an orthopedics dressing change device, which comprises a supporting sleeve rod; the bottom end of the supporting sleeve rod is fixedly connected with the top end of the base, first and second supporting plates are arranged above the supporting sleeve rod, and an adjusting mechanism is arranged above the supporting sleeve rod.

[0007] The adjusting mechanism comprises a lifting rod, the lifting rod is arranged inside the supporting sleeve rod, the bottom end of the lifting rod is inserted inside the supporting sleeve rod, the lifting rod is slidingly connected with the supporting sleeve rod, the bottom end of the lifting rod is fixedly connected with the top end of the first limiting block, the first limiting block is slidingly connected with the supporting sleeve rod, the rear end of the supporting sleeve rod close to the upper position is fixedly connected with the front end of the fixed sleeve box, the rear end of the fixed sleeve box is sleeved with a threaded rod, the fixed sleeve box is threadedly connected with the threaded rod, the rear end of the threaded rod is fixedly connected with the front end of the rotating head, and the left and right sides of the front and rear ends of the bottom end of the base are also fixedly connected with universal wheels.

[0008] Preferably, the front end of the threaded rod is fixedly connected with the rear end of the first rotating block, the outside of the front end of the first rotating block is sleeved with a first sleeve block, the first rotating block is rotationally connected with the first sleeve block, the front end of the first sleeve block is fixedly connected with the rear end of the extrusion block, the front end of the extrusion block is fixedly connected with the rear end of the anti-skid block, and the front end of the anti-skid block is abutted with the rear end of the lifting rod.

[0009] Preferably, the upper and lower ends of the rear end of the extrusion block are also provided with first guide rods, the rear end of the extrusion block is fixedly connected with the front ends of the first guide rods, the fixed sleeve box is sleeved outside the first guide rods, and the fixed sleeve box is slidingly connected with the first guide rods.

[0010] Preferably, the top end of the lifting rod is fixedly connected with the bottom end of a bolt, the outside of the top end of the bolt is sleeved with a threaded cover, the bolt is threadedly connected with the threaded cover, and the top end of the threaded cover is fixedly connected with the bottom end of a second supporting plate.

[0011] Preferably, the middle position of the right side end of the second supporting plate is fixedly connected with the left side end of a moving plate, the right side end of the moving plate is inserted inside a first supporting plate, the moving plate is slidingly connected with the first supporting plate, the right side end of the second supporting plate is also fixedly connected with second guide rods at the front and rear ends, the right side end of the second guide rods is inserted inside the first supporting plate, the second guide rods are slidingly connected with the first supporting plate, and the right side end of the second guide rods is fixedly connected with the left side end of a second limiting block.

[0012] Preferably, the outside of the supporting sleeve rod close to the middle position is sleeved with a second sleeve block, the supporting sleeve rod is rotationally connected with the second sleeve block, and the outside of the supporting sleeve rod close to the upper and lower ends of the second sleeve block is also fixedly connected with third limiting blocks.

[0013] Preferably, the rear end of the second sleeve block is fixedly connected with the front end of a fixed block, the left and right sides of the top end of the fixed block are also fixedly connected with fourth guide rods, the outside of the fourth guide rods is sleeved with a pulling plate, and the fourth guide rods are slidingly connected with the pulling plate.

[0014] Preferably, the fourth guide rod is sleeved with a reset spring outside, the reset spring top end is fixedly connected with the pull plate bottom end, and the reset spring bottom end is fixedly connected with the fixed block top end.

[0015] Preferably, the second sleeve block is fixedly connected with a fixed sleeve rod on the left and right sides, the fixed sleeve rod is internally inserted with a moving rod, and the fixed sleeve rod is slidably connected with the moving rod, the moving rod front end is fixedly connected with the fourth limiting block rear end, the fourth limiting block is slidably connected with the fixed sleeve rod, the fixed sleeve rod and the moving rod top end are also provided with a insertion hole, the insertion hole is internally inserted with an insertion rod, and the insertion hole is slidably connected with the insertion rod, and the insertion rod top end is fixedly connected with the pull plate bottom end.

[0016] Preferably, the fixed sleeve rod rear end is fixedly connected with the fixed plate front end, the fixed plate rear end is fixedly connected with the sleeve ring front end, and the sleeve ring is internally inserted with the garbage can, and the sleeve ring is slidably connected with the garbage can.

[0017] The utility model discloses the beneficial effect lies in:

[0018] 1. The utility model discloses a structure design of adjusting mechanism, realize the function of the length of free adjustment according to patient's leg length, solve the existing device and not set up the component that can conveniently adjust, when the patient is changed dressings and handles, the component for supporting the leg of the existing device, the length of free adjustment according to patient's leg length, to adapt to different patients, thereby lead to the problem of existence limitation when using, improve the applicability of the component for supporting the leg of the existing device, the comfort degree of patient's use is reduced, improve the comfort degree.

[0019] 2. The utility model discloses a structure design of adjusting mechanism, realize the function that can conveniently adjust the support height, solve the existing device and not set up the component that can be used for adjusting height, when using again, the support height of free adjustment according to different situations, to guarantee that the patient is in a comfortable height to cooperate dressings, the comfort degree of patient's use of the existing device is reduced, improve the comfort degree. ACCURATE DRAWINGS

[0020] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or the prior art, below will be to the drawing needed to use in the embodiment or prior art description simple introduction, obviously, the drawing in the following description only some embodiments of the utility model, for those skilled in the art, under the premise of not creating laboriously, according to these drawings, other drawings can also be obtained.

[0021] Figure 1 It is the three-dimensional structure schematic diagram of the utility model;

[0022] Figure 2 It is the first local section structure schematic diagram of the utility model;

[0023] Figure 3 It is the second local sectional view structural schematic diagram of the utility model;

[0024] Figure 4 It is the second local sectional view structural schematic diagram of the utility model; Figure 2 It is the enlarged structure schematic diagram of A place in the middle;

[0025] Figure 5 It is the second local sectional view structural schematic diagram of the utility model; Figure 2 It is the enlarged structure schematic diagram of B place in the middle.

[0026] Figure 6 It is the second local sectional view structural schematic diagram of the utility model; Figure 2 It is the enlarged structure schematic diagram of C place in the middle.

[0027] Figure 7 It is the second local sectional view structural schematic diagram of the utility model; Figure 2 It is the enlarged structure schematic diagram of D place in the middle.

[0028] Figure 8 It is the second local sectional view structural schematic diagram of the utility model; Figure 3 It is the enlarged structure schematic diagram of E place in the middle.

[0029] Figure 9 It is the second local sectional view structural schematic diagram of the utility model; Figure 3 It is the enlarged structure schematic diagram of F place in the middle.

[0030] Figure 10 It is the second local sectional view structural schematic diagram of the utility model; Figure 3 It is the enlarged structure schematic diagram of G place in the middle.

[0031] In the drawing: 1, support sleeve rod; 2, base; 3, first supporting plate; 4, second supporting plate; 10, lifting rod; 11, first limiting block; 12, fixed sleeve box; 14, threaded rod; 15, rotating head; 16, first rotating block; 17, first sleeve block; 18, first guide rod; 19, extrusion block; 20, anti-skid block; 21, moving plate; 22, second guide rod; 23, second limiting block; 24, bolt; 25, threaded cover; 26, second sleeve block; 27, third limiting block; 28, fixed sleeve rod; 29, moving rod; 30, fixed plate; 31, fixed block; 32, fourth guide rod; 33, pull plate; 34, return spring; 35, insertion rod; 36, insertion hole; 37, sleeve ring; 38, garbage can; 39, fourth limiting block; 40, universal wheel. DETAILED DESCRIPTION

[0032] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the utility model.

[0033] Please refer to Figures 1-10 As shown in the figure, an orthopedic dressing change device comprises a support sleeve rod 1; the bottom end of the support sleeve rod 1 is welded with the top end of a base 2, and a first supporting plate 3 and a second supporting plate 4 are arranged above the support sleeve rod 1 respectively, and an adjusting mechanism is arranged above the support sleeve rod 1;

[0034] The adjusting mechanism comprises a lifting rod 10, which is arranged inside the support sleeve rod 1, and the bottom end of the lifting rod 10 is inserted into the support sleeve rod 1, and the lifting rod 10 is slidingly connected with the support sleeve rod 1, the bottom end of the lifting rod 10 is welded with the top end of a first limiting block 11, the first limiting block 11 is slidingly connected with the support sleeve rod 1, the rear end of the support sleeve rod 1 near the upper position is welded with the front end of a fixed sleeve box 12, the rear end of the fixed sleeve box 12 is sleeved with a threaded rod 14, and the fixed sleeve box 12 is threadedly connected with the threaded rod 14, the rear end of the threaded rod 14 is welded with the front end of a rotating head 15, and the left and right sides of the front and rear ends of the bottom end of the base 2 are also welded together with universal wheels 40;

[0035] When working, the lifting rod 10 is pulled to drive the lifting rod 10 to move outward along the inside of the support sleeve rod 1, and the first limiting block 11 can prevent the lifting rod 10 from separating from the inside of the support sleeve rod 1, the rotating head 15 is rotated to drive the threaded rod 14 to rotate and move outward along the inner wall of the fixed sleeve box 12, and the support sleeve rod 1 is pushed to drive the universal wheels 40 at the bottom end of the base 2 to move.

[0036] Further, the front end of the threaded rod 14 is welded with the rear end of a first rotating block 16, the front end of the first rotating block 16 is sleeved with a first sleeve block 17 outside, and the first rotating block 16 is rotationally connected with the first sleeve block 17, the front end of the first sleeve block 17 is welded with the rear end of an extrusion block 19, the front end of the extrusion block 19 is welded with the rear end of an anti-skid block 20, and the front end of the anti-skid block 20 is abutted with the rear end of the lifting rod 10;

[0037] When working, the rotating head 15 is rotated to drive the threaded rod 14 to rotate and move outward along the inner wall of the fixed sleeve box 12, and when the threaded rod 14 rotates, the first rotating block 16 is driven to rotate along the inside of the first sleeve block 17, the extrusion block 19 is pulled to move outward at the same time, and the anti-skid block 20 is driven by the extrusion block 19 to move outward.

[0038] Further, the upper and lower ends of the rear end of the extrusion block 19 are also provided with first guide rods 18, and the rear end of the extrusion block 19 is welded with the front end of the first guide rods 18, the fixed sleeve box 12 is sleeved outside the first guide rods 18, and the fixed sleeve box 12 is slidingly connected with the first guide rods 18;

[0039] When working, the extrusion block 19 moves, which drives the first guide rod 18 to move outward along the inner wall of the fixed sleeve box 12 until the anti-skid block 20 is separated from the rear end of the lifting rod 10.

[0040] Further, the top end of the lifting rod 10 is welded with the bottom end of the bolt 24, the outside of the top end of the bolt 24 is sleeved with the threaded cover 25, the threaded cover 25 is threaded with the bolt 24, and the top end of the threaded cover 25 is welded with the bottom end of the second supporting plate 4;

[0041] When working, rotating the second supporting plate 4 can drive the threaded cover 25 to rotate along the outside of the bolt 24 and move upward until it is completely separated for replacement in the later stage.

[0042] Further, the middle position of the right side end of the second supporting plate 4 is welded with the left side end of the moving plate 21, the right side end of the moving plate 21 is inserted into the inside of the first supporting plate 3, and the moving plate 21 is slidingly connected with the first supporting plate 3, the middle of the moving plate 21 is designed as hollow and supported by the edge, and the front and rear ends of the right side end of the second supporting plate 4 are also welded together with the second guide rod 22, the right side end of the second guide rod 22 is inserted into the inside of the first supporting plate 3, and the second guide rod 22 is slidingly connected with the first supporting plate 3, and the right side end of the second guide rod 22 is welded with the left side end of the second limiting block 23, and the second limiting block 23 is slidingly connected with the first supporting plate 3;

[0043] When working, the second supporting plate 4 is pulled outward, which drives the moving plate 21 to move outward along the inside of the first supporting plate 3 until it stops when it moves to the appropriate length, and when the second supporting plate 4 moves, it simultaneously drives the second guide rod 22 to move outward along the inside of the first supporting plate 3, and the second limiting block 23 is used for limiting the position of the second guide rod 22 to prevent the second guide rod 22 from being separated from the inside of the first supporting plate 3.

[0044] Further, the second sleeve block 26 is sleeved on the outside of the supporting sleeve rod 1 near the middle position, and the supporting sleeve rod 1 is rotatably connected with the second sleeve block 26, and the third limiting block 27 is also welded on the outside of the supporting sleeve rod 1 near the upper and lower ends of the second sleeve block 26;

[0045] When working, the second sleeve block 26 is rotated, and the second sleeve block 26 is rotated along the outside of the lifting rod 10, and the third limiting block 27 is used for limiting the position of the second sleeve block 26 to prevent upward and downward movement.

[0046] Further, the rear end of the second sleeve block 26 is welded with the front end of the fixed block 31, the left and right sides of the top end of the fixed block 31 are also welded together with the fourth guide rod 32, the fourth guide rod 32 is sleeved with the pull plate 33, and the fourth guide rod 32 is slidingly connected with the pull plate 33;

[0047] In operation, the pull plate 33 is pulled upward, and the pull plate 33 is moved upward along the fourth guide rod 32 at the top of the fixed block 31.

[0048] Further, the fourth guide rod 32 is sleeved with a reset spring 34 at the outside, the top of the reset spring 34 is welded with the bottom of the pull plate 33, and the bottom of the reset spring 34 is welded with the top of the fixed block 31.

[0049] In operation, the pull plate 33 is moved upward along the fourth guide rod 32, and the pull plate 33 pulls the reset spring 34 to extend.

[0050] Further, the second sleeve block 26 is welded with a fixed sleeve rod 28 at the left and right sides, the fixed sleeve rod 28 is inserted with a moving rod 29, and the fixed sleeve rod 28 is slidingly connected with the moving rod 29, the front end of the moving rod 29 is welded with the rear end of the fourth limiting block 39, the fourth limiting block 39 is slidingly connected with the fixed sleeve rod 28, the top of the fixed sleeve rod 28 and the moving rod 29 is also provided with a insertion hole 36, the insertion hole 36 is inserted with an insertion rod 35, and the insertion hole 36 is slidingly connected with the insertion rod 35, the top of the insertion rod 35 is welded with the bottom of the pull plate 33.

[0051] In operation, the fixed plate 30 is pulled outward, the moving rod 29 is moved outward along the inside of the fixed sleeve rod 28, and when the moving rod 29 moves, the fourth limiting block 39 moves along the inside of the fixed sleeve rod 28, until it stops at the specified position, then the pull plate 33 is released, and under the reset spring 34, the insertion rod 35 is inserted into the insertion hole 36 again to be fixed.

[0052] Further, the rear end of the fixed sleeve rod 28 is welded with the front end of the fixed plate 30, the rear end of the fixed plate 30 is welded with the front end of the sleeve ring 37, the sleeve ring 37 is inserted with a garbage can 38, and the sleeve ring 37 is slidingly connected with the garbage can 38.

[0053] In operation, the bottom of the garbage can 38 is inserted into the sleeve ring 37.

[0054] When the length and height of the second supporting plate 4 need to be adjusted, the second supporting plate 4 is pulled outwards, driving the moving plate 21 to move outwards along the inside of the first supporting plate 3, until it stops at the appropriate length. When the second supporting plate 4 moves, it simultaneously drives the second guide rod 22 to move outwards along the inside of the first supporting plate 3, and the second limiting block 23 limits the position of the second guide rod 22 to prevent it from disengaging from the inside of the first supporting plate 3. Then the rotating head 15 is rotated, driving the threaded rod 14 to rotate and move outwards along the inner wall of the fixed sleeve box 12. When the threaded rod 14 rotates, it drives the first rotating block 16 to rotate along the inside of the first sleeve block 17, simultaneously pulling the extrusion block 19 to move outwards, and the extrusion block 19 drives the anti-skid block 20 to move outwards. When the extrusion block 19 moves, it drives the first guide rod 18 to move outwards along the inner wall of the fixed sleeve box 12, until the anti-skid block 20 disengages from the rear end of the lifting rod 10. Then the lifting rod 10 is pulled according to the situation, driving it to move outwards along the inside of the support sleeve rod 1, and the first limiting block 11 prevents the lifting rod 10 from disengaging from the inside of the support sleeve rod 1. When the appropriate height is reached, the rotating head 15 is rotated in the opposite direction, driving the extrusion block 19 and the anti-skid block 20 to move towards the rear end of the lifting rod 10. When the extrusion block 19 and the anti-skid block 20 cooperate to fix against the rear end of the lifting rod 10, the support sleeve rod 1 can be pushed to drive the universal wheels 40 at the bottom end of the base 2 to move.

[0055] When the position of the garbage can needs to be adjusted to facilitate medical staff to throw garbage, the second sleeve block 26 is rotated, and the second sleeve block 26 rotates along the outside of the lifting rod 10. The third limiting block 27 limits the position of the second sleeve block 26 to prevent it from moving up and down. When the appropriate position is reached, the pull plate 33 is pulled upwards, driving it to move upwards along the fourth guide rod 32. At the same time, the pull plate 33 pulls the return spring 34 to extend. When the pull plate 33 is pulled upwards, the insertion rod 35 moves upwards along the insertion hole 36 inside the fixed sleeve rod 28 and the moving rod 29. When it is completely disengaged, the fixed plate 30 is pulled outwards, driving the moving rod 29 to move outwards along the inside of the fixed sleeve rod 28. When the moving rod 29 moves, it drives the fourth limiting block 39 to move along the inside of the fixed sleeve rod 28. When it reaches the appropriate position, it stops. When the pull plate 33 is released, the insertion rod 35 is inserted into the insertion hole 36 again under the elastic force of the return spring 34. Then the bottom end of the garbage can 38 is inserted into the sleeve ring 37.

[0056] The basic principle, main features and advantages of the present application are shown and described above. Those skilled in the art should understand that the present application is not limited by the above examples, and the above examples and descriptions in the specification are only to illustrate the principles of the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the claimed present application.

Claims

1. An orthopedic dressing change device, comprising a support sleeve (1); characterized in that: The bottom end of the support sleeve (1) is fixedly connected to a base (2), a first support plate (3) is provided above the support sleeve (1), a second support plate (4) is provided above the support sleeve (1), and an adjustment mechanism is provided above the support sleeve (1). The adjustment mechanism includes a lifting rod (10), which is disposed inside the support sleeve (1). The bottom end of the lifting rod (10) is inserted into the support sleeve (1). The lifting rod (10) is slidably connected to the support sleeve (1). A first limiting block (11) is fixedly connected to the bottom end of the lifting rod (10). The first limiting block (11) is slidably connected to the support sleeve (1). A fixed sleeve box (12) is fixedly connected to the rear end of the support sleeve (1) near the upper position. A threaded rod (14) is threadedly connected to the rear end of the fixed sleeve box (12). A rotating head (15) is fixedly connected to the rear end of the threaded rod (14). Universal wheels (40) are fixedly connected to the left and right sides of the front and rear ends of the bottom end of the base (2).

2. The orthopedic dressing change device according to claim 1, characterized in that: The threaded rod (14) is fixedly connected to the front end of a first rotating block (16), and the front end of the first rotating block (16) is rotatably connected to a first sleeve block (17). The front end of the first sleeve block (17) is fixedly connected to a pressing block (19), and the front end of the pressing block (19) is fixedly connected to an anti-slip block (20). The front end of the anti-slip block (20) abuts against the rear end of the lifting rod (10).

3. The orthopedic dressing change device according to claim 2, characterized in that: The upper and lower ends of the extrusion block (19) are provided with first guide rods (18), the rear end of the extrusion block (19) is fixedly connected to the front end of the first guide rod (18), and the fixed sleeve (12) is slidably connected to the first guide rod (18).

4. The orthopedic dressing change device according to claim 3, characterized in that: The top end of the lifting rod (10) is fixedly connected to a bolt (24), and the top end of the bolt (24) is threadedly connected to a threaded cap (25). The top end of the threaded cap (25) is fixedly connected to the bottom end of the second support plate (4).

5. The orthopedic dressing change device according to claim 4, characterized in that: A movable plate (21) is fixedly connected to the middle position of the right side end of the second pallet (4). The right side end of the movable plate (21) is inserted into the first pallet (3). The movable plate (21) is slidably connected to the first pallet (3). A second guide rod (22) is fixedly connected to both the front and rear ends of the right side end of the second pallet (4). The right side end of the second guide rod (22) is inserted into the first pallet (3). The second guide rod (22) is slidably connected to the first pallet (3). A second limiting block (23) is fixedly connected to the right side end of the second guide rod (22). The second limiting block (23) is slidably connected to the first pallet (3).

6. The orthopedic dressing change device according to claim 5, characterized in that: The second sleeve block (26) is rotatably connected to the outer side of the support sleeve rod (1) near the middle position, and the third limiting block (27) is fixedly connected to the upper and lower ends of the outer side of the support sleeve rod (1) near the second sleeve block (26).

7. The orthopedic dressing change device according to claim 6, characterized in that: The second set of blocks (26) is fixedly connected to a fixing block (31) at its rear end. The top left and right sides of the fixing block (31) are fixedly connected to a fourth guide rod (32). The outer side of the fourth guide rod (32) is slidably connected to a pull plate (33).

8. The orthopedic dressing change device according to claim 7, characterized in that: A reset spring (34) is provided on the outside of the fourth guide rod (32). The top end of the reset spring (34) is fixedly connected to the bottom end of the pull plate (33), and the bottom end of the reset spring (34) is fixedly connected to the top end of the fixing block (31).

9. The orthopedic dressing change device according to claim 8, characterized in that: The second sleeve block (26) is fixedly connected to both the left and right sides by fixed sleeve rods (28). A movable rod (29) is inserted inside the fixed sleeve rod (28). A fourth limiting block (39) is fixedly connected to the front end of the movable rod (29). The fourth limiting block (39) is slidably connected to the fixed sleeve rod (28). The top ends of the fixed sleeve rod (28) and the movable rod (29) are both provided with insertion holes (36). Insert rods (35) are inserted inside the insertion holes (36). The top end of the insert rods (35) is fixedly connected to the bottom end of the pull plate (33).

10. The orthopedic dressing change device according to claim 9, characterized in that: The fixed sleeve rod (28) is fixedly connected to a fixed plate (30) at its rear end, and a collar (37) is fixedly connected to the rear end of the fixed plate (30). A trash can (38) is slidably connected inside the collar (37).

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