Skin anastomat capable of being adjusted back

Abstract

The utility model relates to a callback skin anastomat, and relates to the technical field of skin anastomats, the callback skin anastomat comprises fitting base materials and an adjusting device, the adjusting device comprises an adjusting rack and an adjusting seat, the adjusting rack and the adjusting seat are arranged on the two fitting base materials respectively, and the adjusting rack penetrates through the adjusting seat; the positioning rack is meshed with the adjusting rack under the action of elastic force; and the positioning mechanism is used for positioning the positioning rack or unlocking the blocking effect of the positioning rack on the adjusting rack and enabling the adjusting rack to move back. The distance between the two attaching base materials is shortened by moving the adjusting rack, or the positioning mechanism unlocks the positioning effect of the positioning rack on the adjusting rack, and then the distance between the two attaching base materials can be increased, so that the distance between the two attaching base materials can be conveniently adjusted, and the attaching efficiency of the two attaching base materials is improved. Therefore, the waste and the probability of secondary injury to the skin are reduced.

Description

Technical Field

[0001] This application relates to the technical field of skin staplers, and in particular to a retractable skin stapler. Background Art

[0002] Skin wounds, especially those after surgery, are commonly linear wounds, and usually sutured with medical needles and threads. Among them, the suture time of medical needles and threads is long, and they need to be removed again after the wound heals, leaving a "centipede"-like scar at the wound healing site. To overcome the above problems and deficiencies, a needleless suture technology has emerged at present. Specifically, a medical skin stapler is used to perform needleless suture on the patient's wound.

[0003] Currently, the generally used skin staplers on the market are positioned by the cooperation of sawteeth and saw grooves, and for stability, they are designed for one-way adjustment during adjustment. Once used, they cannot be retracted. One can only remove the product and unseal a new product for use, resulting in waste. Moreover, it is inevitable to drive the skin on both sides of the wound during the removal of the stapler, causing pain, and even causing secondary damage to the skin when the operation is improper. Utility Model Content

[0004] In order to reduce waste and the probability of secondary damage to the skin, this application provides a retractable skin stapler.

[0005] A retractable skin stapler provided by this application adopts the following technical solutions:

[0006] A retractable skin stapler includes a fitting base material bonded to the skin on both sides of the wound, and an adjusting device arranged on two pieces of fitting base material. The adjusting device includes:

[0007] An adjusting rack and an adjusting seat, which are respectively arranged on two pieces of fitting base material, and the adjusting rack passes through the adjusting seat;

[0008] A positioning rack, which meshes with the adjusting rack under the action of elastic force. When the adjusting rack moves forward, it pushes the positioning rack to disengage from the adjusting rack, and when it moves back, the positioning rack blocks the adjusting rack from moving back;

[0009] A positioning mechanism, which is used to position the positioning rack or unlock the blocking effect of the positioning rack on the adjusting rack and enable the adjusting rack to move back.

[0010] By adopting the above technical solution, the adjusting rack is passed through the adjusting seat and the positioning rack, and the positioning mechanism is used to position the positioning rack, so that the positioning rack is pressed against the adjusting rack under the action of elastic force for positioning, and the adjusting rack is pulled to continue to adjust the distance between the two bonding substrates. The movement of the adjusting rack can push the positioning rack to disengage from the adjusting rack to achieve movement, and when the adjusting rack moves back, the positioning rack blocks the adjustment rack from moving back. After the adjustment is completed, the two bonding substrates are pasted to the skin on both sides of the wound. If adjustment is required again, the adjusting rack is pulled to move to shorten the distance between the two bonding substrates, or the positioning mechanism unlocks the positioning effect of the positioning rack on the adjusting rack, and then the adjusting rack and / or the adjusting seat can be pulled to increase the distance between the two bonding substrates, thereby making it possible to conveniently adjust the distance between the two bonding substrates. Therefore, there is no need to remove the stapler and replace it with a new stapler, thereby reducing waste and the probability of secondary damage to the skin.

[0011] Optionally, the positioning rack is arranged in the adjustment seat and meshes with the adjustment rack under the action of its own elastic force;

[0012] Alternatively, an elastic member is disposed in the adjustment seat, and the positioning rack is rotatably disposed in the adjustment seat and meshes with the adjustment rack under the elastic force of the elastic member.

[0013] By adopting the above technical scheme, the positioning rack is located in the adjustment seat, thereby reducing the probability of misoperation of the positioning rack, improving the positioning effect of the skin stapler on the skin, and reducing the probability of secondary damage to the skin due to loss of positioning effect; the positioning rack is arranged on the adjustment seat and meshes with the adjustment rack under its own elastic force, thereby improving the convenience of the product during production; and the positioning rack is rotatably installed on the adjustment seat and meshes with the adjustment rack through the elastic force of the elastic member, thereby reducing the probability of multiple rotations causing the connection between the positioning rack and the adjustment seat to break, thereby reducing the probability of secondary damage to the skin due to breakage; at the same time, the elastic force of the positioning rack is given by the elastic member, making it more convenient to rotate the positioning rack.

[0014] Optionally, the positioning mechanism:

[0015] A connecting portion, which is arranged on the positioning rack and extends out of the adjustment seat;

[0016] The toggle portion is arranged on the connecting portion and along the moving direction of the adjusting rack.

[0017] By adopting the above technical solution, when positioning is required, the positioning rack is pressed against the adjusting rack for positioning under the action of itself or the elastic member, so that the adjusting rack can only move forward, and when the adjusting rack needs to be moved back, the toggle part is pushed to rotate and drive the connecting part and the positioning rack away from the adjusting rack, so that the adjusting rack is disengaged from the positioning rack, so that the adjusting rack can move back. After the return is completed, the toggle part is released, and the positioning rack drives the connecting part and the toggle part to rotate under the action of elastic force, thereby facilitating subsequent adjustments and improving the convenience during operation; at the same time, when the hand pushes the toggle part, the fingers that are not in contact with the toggle part can pinch and press on the adjustment seat to bear the force, so that one-handed operation can be achieved, further improving the convenience during operation, and the required adjustment effect can be achieved more quickly, thereby reducing the probability of secondary damage to the skin.

[0018] Optionally, a guide groove is provided on the adjustment seat, and the connecting portion extends into the guide groove and is guided and positioned by the guide groove during rotation.

[0019] By adopting the above technical solution, the guide groove guides the connecting part, thereby improving the stability of the connecting part when rotating, and making the connecting part and the toggle part located in the guide groove. When rotating, a person's fingers are extended into the guide groove for operation, which reduces the probability of misoperation caused by external pushing on the toggle part and reduces the probability of secondary damage to the skin.

[0020] Optionally, a guide surface is provided on the adjustment rack along the length direction of the adjustment rack, which is inclined and convenient for passing through the adjustment seat. A toothed portion that meshes with the positioning rack is provided on the adjustment rack and is located on the side of the guide surface close to the bonding substrate. A plurality of arc protrusions are arranged at intervals on the guide surface along its own inclination direction. Driven by the adjustment rack, the plurality of arc protrusions push the positioning rack away to facilitate the engagement and positioning of the positioning rack with the toothed portion.

[0021] By adopting the above technical solution, when the adjusting rack is passed through the adjusting seat, it can be more convenient to pass through the guide seat under the action of the guide surface, and the multiple arc protrusions move with the movement of the adjusting rack, and the multiple arc protrusions push the positioning rack away from the adjusting rack in turn until the positioning rack moves to the toothed portion and engages with it. At the same time, after one end of the adjusting rack passes through the adjusting seat, it can also directly pull the adjusting rack to move, thereby greatly improving the convenience of the adjusting rack passing through the adjusting seat.

[0022] Optionally, a positioning block is installed on the adjustment seat so as to slide closer to or away from the adjustment rack. The positioning mechanism is connected to the positioning block and is used to position the positioning block. One end of the positioning rack is arranged on the positioning block and engages with the adjustment rack for positioning under the action of its own elastic force. After the positioning mechanism unlocks the positioning block, it pushes the positioning rack to disengage from the adjustment rack. When locking is required, the positioning mechanism pulls the positioning rack back and engages with the adjustment rack for positioning.

[0023] By adopting the above technical solution, when positioning is required, the positioning mechanism positions the positioning block and the positioning rack. When unlocking is required, the positioning mechanism unlocks the positioning block, and the positioning mechanism pushes the positioning block and the positioning rack to move, so that the positioning rack is disengaged from the adjustment rack, so that the adjustment rack can move freely, thereby facilitating the adjustment of the distance between the two laminated substrates. After the adjustment is completed, the positioning mechanism pushes the positioning block and the positioning rack to move back, so that the positioning rack engages with the adjustment rack under the action of its own elastic force for positioning.

[0024] Compared with the rotation of the positioning rack and the disengagement or engagement with the adjusting rack, the rotation of the positioning rack will push the adjusting rack to move, and the movement of the adjusting rack will pull the skin. When the positioning rack moves away from or close to the adjusting rack, the probability of driving the adjusting rack to move is greatly reduced. At the same time, after the positioning rack moves away from the adjusting rack, the adjusting rack can move freely, so that the resistance of the adjusting rack is smaller whether it moves forward or backward, thereby greatly improving the convenience during adjustment and reducing the probability of secondary damage to the skin.

[0025] Optionally, a positioning groove is provided on the positioning block, and the positioning mechanism includes:

[0026] A positioning bar is arranged on the adjustment seat. When the positioning rack is meshed with the adjustment rack, the positioning bar is clamped and installed on the positioning groove under the action of elastic force for positioning;

[0027] The pushing component is used to push the positioning bar to disengage, then continue to push the positioning rack to disengage from the adjusting rack and can pull the positioning block back.

[0028] By adopting the above technical solution, when unlocking is required, the pushing component starts to push the positioning bar to disengage from the positioning groove, and then continues to push the positioning rack to disengage from the adjustment rack, thereby achieving unlocking. When locking is required, the pushing component pulls the positioning block back until the positioning bar is pressed against the positioning groove under the action of elastic force for positioning, and the positioning rack and the adjustment rack are engaged for positioning.

[0029] Optionally, the pushing component includes:

[0030] Push rod 1 and push rod 2 are arranged on opposite side walls of the adjustment seat for sliding movement towards each other, and the sliding direction is perpendicular to the sliding direction of the adjustment rack;

[0031] The connecting block is slidably arranged on the adjusting seat and has mutually abutting and inclined connecting surfaces arranged on the positioning strip; the push rod 1 is connected to the connecting block and the push rod 2 is connected to the positioning block;

[0032] The cross section of the positioning groove is in an arc shape, so that the positioning block can be forced to push the positioning bar to separate from the positioning groove, and at the same time push the push rod 1 and the push rod 2 to approach each other and cooperate to push the positioning bar to separate from the positioning groove.

[0033] By adopting the above technical solution, while pushing the first push rod and the second push rod closer to each other, the first push rod pushes the connecting block to drive the positioning bar away from the positioning block, and the second push rod pushes the positioning block away from the positioning bar. Thus, the two forces cooperate to achieve the separation of the positioning bar and the positioning block, so that the positioning rack disengages from the adjusting rack, thereby realizing unlocking. At the same time, under the action of elastic force, the positioning bar continues to press against the positioning block to position the positioning rack, reducing the probability of the positioning rack moving back.

[0034] When locking is required, pull the second push rod to drive the positioning block and the positioning rack closer to the adjusting rack, that is, the positioning block approaches the positioning bar, so that the positioning bar is snap-fitted onto the positioning groove to position the positioning rack, and the positioning rack meshes with the adjusting rack for positioning, thereby improving the convenience during the operation process and reducing the probability of secondary skin damage caused by inconvenient operation.

[0035] Optionally, the first push rod and the second push rod are detachably installed on the connecting block and the positioning block.

[0036] By adopting the above technical solution, the convenience during the production of the stapler is improved.

[0037] Optionally, the opposite ends of the first push rod and the second push rod are provided with fitting plates that fit the fingers.

[0038] By adopting the above technical solution, the fitting plate can distribute the force when the finger is stressed, thereby further improving the convenience during the operation process.

[0039] In summary, the present application includes at least one of the following beneficial technical effects:

[0040] The movement of the adjusting rack is used to shorten the distance between the two bonded substrates. Or, the positioning mechanism unlocks the positioning effect of the positioning rack on the adjusting rack, and then the adjusting rack and / or the adjusting seat can be pulled to increase the distance between the two bonded substrates, so that the distance between the two bonded substrates can be conveniently adjusted. Therefore, there is no need to remove the stapler and replace it with a new one, thereby reducing the probability of waste and secondary skin damage. BRIEF DESCRIPTION OF THE DRAWINGS

[0041] Figure 1 is a three-dimensional structural schematic diagram of the first embodiment of the stapler;

[0042] Figure 2 is a structural schematic diagram of the adjusting rack and the bonded substrate in the first embodiment of the stapler;

[0043] Figure 3 is a structural schematic diagram of the adjusting seat and the positioning mechanism in the first embodiment of the stapler;

[0044] Figure 4 is a structural schematic diagram of the second embodiment of the stapler;

[0045] Figure 5 is a schematic structural diagram of a third embodiment of anastomosis device;

[0046] Figure 6 It is a structural schematic diagram of the positioning mechanism in the third embodiment of the stapler.

[0047] Figure numerals: 1. bonding substrate; 11. positioning block; 12. positioning groove; 2. adjusting device; 21. adjusting rack; 211. toothed portion; 22. adjusting seat; 221. avoidance groove; 23. positioning rack; 24. adjusting hole; 25. guide surface; 26. arc protrusion; 27. accommodating cavity; 28. guide groove; 29. ​​elastic member; 3. positioning mechanism; 31. connecting portion; 32. toggle portion; 4. positioning strip; 5. pushing assembly; 51. push rod one; 52. push rod two; 53. connecting block; 54. connecting surface; 56. bonding plate. DETAILED DESCRIPTION

[0048] The present application is further described in detail below in conjunction with the accompanying drawings 1-6.

[0049] The embodiment of the present application discloses a retractable skin stapler.

[0050] Example 1

[0051] Reference Figure 1 The adjustable skin stapler includes a bonding substrate 1 adhered to the skin on both sides of the wound, and an adjusting device 2 arranged on the two bonding substrates 1. The adjusting device 2 can adjust the positions of the two bonding substrates 1 to be closer or farther from each other.

[0052] Reference Figure 1 , Figure 2 The laminating substrate 1 is composed of a foam sheet, and the adjusting device 2 includes an adjusting rack 21, an adjusting seat 22, and a positioning rack 23. The adjusting rack 21 is integrally injection-molded on one of the laminating substrates 1, and the adjusting seat 22 is integrally injection-molded on the other laminating substrate 1. The adjusting rack 21 and the adjusting seat 22 are both located on the side of the laminating substrate 1 away from the skin and on the side where the two laminating substrates 1 are close to each other. An adjusting hole 24 is provided on the end of the adjusting seat 22 close to the adjusting rack 21 and passes through the adjusting seat 22 along the length direction of the adjusting rack 21.

[0053] A guide surface 25 is provided on the side wall of the adjusting rack 21 at one end away from the bonding substrate 1 connected thereto. The guide surface 25 is inclined along the length direction of the adjusting rack 21 and facilitates the guiding rack to pass through the adjusting hole 24. At the same time, the length of the guide surface 25 is greater than the length of the adjusting hole 24. A plurality of arc protrusions 26 are integrally provided on the guide surface 25 along its own inclination direction. A plurality of tooth-shaped toothed portions 211 are provided on the side wall of the adjusting rack 21 and are spaced apart between the bonding substrate 1 and the guide surface 25.

[0054] Reference Figure 1 , Figure 3 A accommodating cavity 27 connected to the adjusting hole 24 is provided on the inner wall of the adjusting seat 22 and located on one side of the adjusting rack 21. The accommodating cavity 27 is connected to the upper surface of the adjusting seat 22. A guide groove 28 connected to the accommodating cavity 27 is provided on the side wall of the adjusting seat 22 away from the adjusting hole 24 and located at the end away from the bonding substrate 1 connected to the adjusting rack 21.

[0055] Reference Figure 2 , Figure 3 One end of the positioning rack 23 is fixedly mounted on the end of the accommodating cavity 27 away from the guide groove 28, and the other end of the positioning rack 23 extends to the side close to the guide groove 28. At the same time, the positioning rack 23 is elastic and engages with the toothed portion 211 on the adjusting rack 21 under the action of its own elastic force, so as to realize the positioning rack 23 and the adjusting rack 21 being engaged and pressed for positioning.

[0056] Reference Figure 1 , Figure 2 and Figure 3 , the end of the adjusting rack 21 away from the connected bonding substrate 1 is passed through the adjusting hole 24 under the guidance of the guide surface 25, and the multiple arc protrusions 26 push the positioning rack 23 away from the adjusting rack 21 in turn, and the adjusting rack 21 is pulled to move so that the positioning rack 23 is pressed and engaged with the toothed portion 211, and the adjusting rack 21 moves forward to push the positioning rack 23 to disengage from the toothed portion 211, and the adjusting rack 21 stops moving, and the positioning rack 23 engages with the toothed portion 211 for positioning, thereby adjusting the two bonding substrates 1 to be closer to each other.

[0057] Reference Figure 1 , Figure 3 The adjusting device 2 also includes a positioning mechanism 3, which includes a connecting portion 31 and a toggle portion 32. One end of the connecting portion 31 is arranged on an end of the positioning rack 23 close to the guide groove 28 and extends obliquely into the guide groove 28; the toggle portion 32 is arranged on an end of the connecting portion 31 located in the guide groove 28, and the toggle portion 32 is arranged along the length direction of the adjusting rack 21.

[0058] The fingers are extended into the guide groove 28 to push the toggle part 32 to rotate, while other fingers can pinch and press on the end of the adjustment seat 22 away from the guide groove 28 to bear the force, so as to facilitate the rotation of the toggle part 32. The toggle part 32 rotates to push the connecting part 31 and the positioning rack 23 away from the adjustment rack 21, so that the positioning rack 23 is disengaged from the adjustment rack 21, and then the adjustment rack 21 can be driven to move back, so that the two bonded substrates 1 are away from each other; after the adjustment is completed, the fingers release the toggle part 32, and the positioning rack 23 can mesh with the adjustment rack 21 under the action of elastic force for positioning.

[0059] The working principle of the embodiment of the present application is as follows:

[0060] Pass the adjusting rack 21 through the adjusting hole 24, pull the adjusting rack 21 to move, and push the positioning rack 23 away from the adjusting rack 21 when the adjusting rack 21 moves forward. When the adjusting rack 21 stops, the positioning rack 23 engages with the adjusting rack 21 under the action of elastic force for positioning, thereby preventing the adjusting rack 21 from moving back, and then the two sheets of bonding substrates 1 are pasted to the skin on both sides of the wound; continue to adjust the distance between the two sheets of bonding substrates 1, pull the adjusting rack 21 forward to reduce the distance between the two sheets of bonding substrates 1, or push the toggle part 32 with a finger to drive the positioning rack 23 to disengage from the adjusting rack 21, thereby increasing the distance between the two sheets of bonding substrates 1, so that the distance can be adjusted with one hand, which improves the convenience during adjustment, and there is no need to use a stapler again, thereby reducing waste and the probability of secondary damage to the skin.

[0061] Example 2

[0062] Reference Figure 1 and Figure 4 The difference between this embodiment and embodiment 1 is that one end of the positioning rack 23 is rotatably mounted on the end of the accommodating cavity 27 away from the guide groove 28, and the positioning rack 23 rotates close to or away from the adjusting rack 21, and the other end of the positioning rack 23 extends to the side close to the guide groove 28, and an elastic member 29 is fixedly mounted on the side wall of the accommodating cavity 27 and on the side of the positioning rack 23 away from the adjusting rack 21. The elastic member 29 can be an elastic spring sheet, which presses on the positioning rack 23, so that the positioning rack 23 engages with the adjusting rack 21 under the action of the elastic force for positioning.

[0063] The working principle of the embodiment of the present application is as follows:

[0064] The positioning rack 23 is positioned under the action of elastic force by the elastic member 29. Compared with the fixed connection between the positioning rack 23 and the adjustment seat 22, the probability of breakage at the connection between the positioning rack 23 and the adjustment seat 22 is greatly reduced, thereby reducing the probability of secondary skin damage caused by the breakage of the positioning rack 23. The elastic force design of the elastic member 29 can make the positioning rack 23 more convenient to rotate and have a better positioning effect, thereby improving the convenience of operation and reducing the probability of secondary skin damage caused by inconvenient operation.

[0065] Example 3

[0066] Reference Figure 5 and Figure 6, the difference between this embodiment and Embodiment 1 is that a positioning block 11 is slidably installed on the side wall of the accommodation cavity 27 along the direction close to or away from the adjusting rack 21. The positioning mechanism 3 is connected to the positioning block 11 and is used to position the positioning block 11. One end of the positioning rack 23 away from the guiding groove 28 is fixedly installed on one end of the positioning block 11 close to the guiding groove 28, and the positioning rack 23 meshes with the adjusting rack 21 under its own elastic force for positioning. After the positioning mechanism 3 unlocks the positioning block 11, it pushes the positioning rack 23 to disengage from the adjusting rack 21. When locking is required, the positioning mechanism 3 pulls the positioning rack 23 back to mesh with the adjusting rack 21 for positioning.

[0067] The positioning mechanism 3 includes a positioning strip 4 and a pushing component 5. A positioning groove 12 is formed on the side wall of the positioning block 11 facing away from the guiding groove 28, and an avoidance groove 221 communicating with the accommodation cavity 27 is formed on the side wall of the adjusting seat 22; the positioning strip 4 is elastic and one end is fixedly installed on the side wall of the adjusting seat 22 facing away from the guiding groove 28, and the other end of the positioning strip 4 passes through the avoidance groove 221 and extends to the other side of the avoidance groove 221; when the positioning rack 23 meshes with the adjusting rack 21 for positioning, the positioning strip 4 is elastically clamped and installed in the positioning groove 12 through the avoidance groove 221 for positioning. The cross-section of the positioning groove 12 is arc-shaped, so that after the positioning block 11 moves, it can push the positioning strip 4 to disengage from the positioning groove 12.

[0068] The pushing component 5 is used to push the positioning strip 4 to disengage from the positioning block 11 and then continue to push the positioning rack 23 to disengage from the adjusting rack 21. The pushing component 5 can also pull the positioning block 11 back, so that the positioning strip 4 is clamped and installed in the positioning groove 12 for positioning, and at the same time, the positioning rack 23 meshes with the adjusting rack 21 for positioning.

[0069] The pushing component 5 includes a first push rod 51, a second push rod 52, and a connecting block 53. The first push rod 51 and the second push rod 52 are slidably inserted through the opposite side walls of the adjusting seat 22. The sliding directions of the first push rod 51 and the second push rod 52 are perpendicular to the length direction of the adjusting rack 21, and the first push rod 51 extends to the movable end of the positioning strip 4; the connecting block 53 is slidably installed on the side wall of the adjusting seat 22 and is located at the movable end of the positioning strip 4. The sliding direction of the connecting block 53 is parallel to the sliding direction of the first push rod 51. Inclined and closely attached connecting surfaces 54 are formed on both the connecting block 53 and the movable end of the positioning strip 4; a connecting groove is slidably installed on the connecting surface 54 of the positioning strip 4 along the inclined direction, and a sliding block slidably installed on the connecting groove is fixedly installed on the connecting surface 54 of the connecting block 53. The sliding block connects the positioning strip 4 and the connecting block 53, making the connection block 53 and the positioning strip 4 more stable when moving.

[0070] The first push rod 51 is threadedly connected to the connecting block 53. The movement of the first push rod 51 drives the connecting block 53 to move. The movement of the connecting block 53 pushes the positioning bar 4 away from the positioning groove 12 through the connecting surface 54. The second push rod 52 is threadedly connected to the side wall of the positioning block 11, so that it is convenient for the first push rod 51 to pass through the adjusting seat 22 and be connected to the positioning block 11. At the mutually remote ends of the first push rod 51 and the second push rod 52, there are both attaching plates 56, and the two attaching plates 56 are used to be in contact with the fingers when pushing the first push rod 51 and the second push rod 52.

[0071] The fingers are attached to the two attaching plates 56 to push the first push rod 51 and the second push rod 52 to approach each other. The first push rod 51 drives the connecting block 53 to move. The connecting block 53 pushes the positioning bar 4 away from the positioning groove 12. At the same time, the second push rod 52 pushes the positioning block 11 and the positioning rack 23 away from the adjusting rack 21 and the positioning bar 4, so as to push the positioning bar 4 away from the positioning groove 12 in two directions. And the positioning block 11 drives the positioning rack 23 to disengage from the adjusting rack 21, and the positioning bar 4 presses against the side wall of the positioning block 11 to position the positioning rack 23. At this time, the adjusting rack 21 can move freely for adjustment. After the adjustment is completed, pull the second push rod 52 to drive the positioning block 11 to move back, so that the positioning bar 4 is snap-fitted and installed in the positioning groove 12 for positioning, and the positioning rack 23 meshes with the adjusting rack 21 for positioning, reducing the probability of causing secondary damage to the skin when driving the positioning rack 23 to rotate and pushing the adjusting rack 21 to move.

[0072] The working principle of the embodiment of the present application is as follows:

[0073] When it is necessary to adjust the distance between the two attaching substrates 1, push the first push rod 51 and the second push rod 52 simultaneously to make them approach each other, so as to push the positioning bar 4 away from the positioning groove 12, and the positioning rack 23 is disengaged from the adjusting rack 21. At the same time, the positioning bar 4 presses against the positioning block 11 to position the position of the positioning rack 23, and then adjust. After the adjustment is completed, pull the second push rod 52 to drive the positioning block 11 and the positioning rack 23 to approach the adjusting rack 21, so that the positioning bar 4 is snap-fitted and installed into the positioning groove 12, and the positioning rack 23 meshes with the adjusting rack 21 for positioning. The whole process can be completed with one hand, so the convenience in the adjustment process is greatly improved, and the probability of the adjusting rack 21 moving during the adjustment process is reduced, thereby further reducing the probability of causing secondary damage to the skin.

[0074] The above are all the preferred embodiments of the present application, and the protection scope of the present application is not limited accordingly. Therefore, all equivalent changes made according to the structure, shape and principle of the present application should be covered within the protection scope of the present application.

Claims

1. A reversible skin stapler, characterized in that: It comprises a bonding substrate (1) bonded to the skin on both sides of a wound, and an adjustment device (2) arranged on the two bonding substrates (1), wherein the adjustment device (2) comprises: The adjusting rack (21) and the adjusting seat (22) are respectively arranged on the two laminating substrates (1), and the adjusting rack (21) passes through the adjusting seat (22); The positioning rack (23) meshes with the adjusting rack (21) under the action of elastic force, and when the adjusting rack (21) moves forward, the positioning rack (23) is pushed to disengage from the adjusting rack (21), and when the adjusting rack (21) moves backward, the positioning rack (23) blocks the adjusting rack (21) from moving backward; The positioning mechanism (3) is used to position the positioning rack (23) or to unlock the blocking effect of the positioning rack (23) on the adjusting rack (21) and enable the adjusting rack (21) to move back.

2. The adjustable skin stapler according to claim 1, characterized in that: The positioning rack (23) is arranged in the adjustment seat (22) and meshes with the adjustment rack (21) under the action of its own elastic force; Alternatively, an elastic member (29) is disposed in the adjustment seat (22), and the positioning rack (23) is rotatably disposed in the adjustment seat (22) and meshes with the adjustment rack (21) under the elastic force of the elastic member (29).

3. The adjustable skin stapler according to claim 2, characterized in that: The positioning mechanism (3): A connecting portion (31) is disposed on the positioning rack (23) and extends outside the adjustment seat (22); The toggle portion (32) is arranged on the connecting portion (31) and along the moving direction of the adjustment rack (21).

4. The adjustable skin stapler according to claim 3, characterized in that: The adjustment seat (22) is provided with a guide groove (28), and the connecting portion (31) extends into the guide groove (28) and is guided and positioned by the guide groove (28) when rotating.

5. The adjustable skin stapler according to claim 1, characterized in that: The adjusting rack (21) is provided with a guide surface (25) in an inclined state along the length direction of the adjusting rack (21) and convenient for passing through the adjusting seat (22); the adjusting rack (21) is provided with a toothed portion (211) meshing with the positioning rack (23) and located on the side of the guide surface (25) close to the bonding substrate (1); a plurality of arc protrusions (26) are arranged at intervals along the guide surface (25) along its own inclination direction; the plurality of arc protrusions (26) are driven by the adjusting rack (21) to push the positioning rack (23) away, thereby facilitating the meshing and positioning of the positioning rack (23) with the toothed portion (211).

6. The adjustable skin stapler according to claim 1, characterized in that: The adjustment seat (22) is slidably mounted with a positioning block (11) along a direction close to or away from the adjustment rack (21); the positioning mechanism (3) is connected to the positioning block (11) and is used to position the positioning block (11); one end of the positioning rack (23) is arranged on the positioning block (11) and meshes with the adjustment rack (21) for positioning under the action of its own elastic force; after the positioning mechanism (3) unlocks the positioning block (11), the positioning rack (23) is pushed to disengage from the adjustment rack (21); when locking is required, the positioning mechanism (3) pulls the positioning rack (23) back to mesh with the adjustment rack (21) for positioning.

7. The adjustable skin stapler according to claim 6, characterized in that: The positioning block (11) is provided with a positioning groove (12), and the positioning mechanism (3) comprises: A positioning strip (4) is arranged on the adjustment seat (22); when the positioning rack (23) is meshed with the adjustment rack (21), the positioning strip (4) is snap-fitted and installed on the positioning groove (12) under the action of elastic force for positioning; The pushing assembly (5) is used to push the positioning bar (4) to disengage and then continue to push the positioning rack (23) to disengage from the adjustment rack (21) and pull the positioning block (11) to move back.

8. The adjustable skin stapler according to claim 7, characterized in that: The pushing component (5) comprises: Push rod 1 (51) and push rod 2 (52) are slidably disposed on opposite side walls of the adjustment seat (22) and the sliding direction is perpendicular to the sliding direction of the adjustment rack (21); A connecting block (53) is slidably arranged on the adjusting seat (22) and is provided with connecting surfaces (54) that are mutually abutting and inclined on the positioning strip (4); the push rod 1 (51) is connected to the connecting block (53) and the push rod 2 (52) is connected to the positioning block (11); The cross section of the positioning groove (12) is in the shape of an arc, so that the positioning block (11) can also push the positioning strip (4) to separate from the positioning groove (12) when subjected to force, and at the same time push the push rod 1 (51) and the push rod 2 (52) to move closer to each other and cooperate to push the positioning strip (4) and the positioning groove (12) to separate.

9. The adjustable skin stapler according to claim 8, characterized in that: The push rod 1 (51) and the push rod 2 (52) are detachably mounted on the connecting block (53) and the positioning block (11).

10. The adjustable skin stapler according to claim 8, characterized in that: The push rod 1 (51) and the push rod 2 (52) are provided with a fitting plate (56) that fits with fingers at the opposite ends.

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