WO2023029842A1

WO2023029842A1 - Skin stapler convenient to operate

Info

Publication number: WO2023029842A1
Application number: PCT/CN2022/108890
Authority: WO
Inventors: 何晓东; 葛振东; 吴旺键; 韩伟强; 吴兴
Original assignee: 浙江微度医疗器械有限公司
Priority date: 2021-09-06
Filing date: 2022-07-29
Publication date: 2023-03-09
Also published as: CN113633336B; CN113633336A

Abstract

The invention relates to a skin stapler convenient to operate, belonging to the technical field of medical instruments, and comprising a stapler body. Two meshing tooth discs are symmetrically mounted at the bottom of the stapler body, and are positioned on the two sides of the stapler body in a direction perpendicular to the extending direction of a sliding sleeve. The root parts of the two meshing tooth discs respectively form a rotatable support with the stapler body, such that the two meshing tooth discs are capable of opening and closing actions centered at the root parts. At the opposite inner ends of the two meshing tooth discs, two clamping protrusions are formed on two opposite sides of a suturing area, and two gathering protrusions are formed on the front side of the two clamping protrusions. The device in the present invention only needs to use auxiliary clamping instruments such as tweezers during the first suturing, is convenient for subsequent suturing and operation, can greatly reduce the workload and operation difficulty of operators, and can also improve the efficiency of suturing and shorten the operation time.

Description

An easy-to-operate skin stapler

technical field

The invention relates to an easy-to-operate skin stapler, which belongs to the technical field of medical instruments.

Background technique

A skin stapler is a device that inserts staples into both sides of a skin wound to suture the skin. The skin stapler occludes the skin on both sides of the wound with the tooth plate that comes with the instrument, and the staple pushing device pushes the staples out of the staple cartridge, and sutures the wound epidermis in a direction parallel to the inner surface of the wound. Before using the existing skin stapler, it is necessary to use auxiliary instruments such as tweezers to lift the epidermal tissue on both sides of the wound to be sutured, so that the tooth plate can successfully bite the skin on both sides of the wound. The existing Chinese patent number is 201520318196.9, and the patent name is a patent for a subcutaneous stapler with absorbable staples, which discloses a subcutaneous stapler with absorbable staples, including a housing, a staple pushing device, a transmission device, a staple cartridge and a staple output device As well as suture staples, its beneficial effect is that the suture staples can be pushed out along the direction parallel to the surface of the sutured wound, and sutured under the skin epidermis, that is, the dermis is sutured, avoiding damage to the skin epidermis, and beautifying the healed wound . But it also has the following disadvantages: before each suture, it is necessary to use tissue forceps to lift the epidermal tissue on both sides of the wound to be sutured, and then bury the head end of the stapler in the wound to be sutured. The operation is cumbersome and makes the workload of the operator And the difficulty of operation increases, affects the problems such as the efficiency of stitching at the same time.

technical problem

The purpose of the present invention is to provide an easy-to-operate skin stapler, which solves the need to use tissue forceps to lift the epidermal tissue on both sides of the wound to be sutured before each suturing in the prior art, and then embed the stapler head into it. In the wound to be sutured, the operation is cumbersome, which increases the workload of the operator and the difficulty of the operation, and affects the efficiency of suturing and other issues.

technical solution

The above-mentioned technical purpose of the present invention is mainly solved by the following technical solutions: an easy-to-operate skin stapler, comprising a stapler body, the bottom of the stapler body is provided with a nail pushing device, and the nail pushing device includes a front and rear extending The sliding sleeve and the sliding needle slidingly fitted in the sliding sleeve, the bottom of the front end of the stapler body is formed with a sewing area located at the front side of the extension end of the sliding sleeve, and the bottom of the stapler body is symmetrically installed with a There are two occlusal discs on both sides of the extension direction of the sliding sleeve, and the roots of the two occlusal discs form a rotating support with the stapler body so that the two occlusal discs can be stretched around their roots. The two clamping protrusions are formed on the opposite inner ends of the two occlusal discs at opposite sides of the stitching area and two gathering protrusions are located at the front side of the two clamping protrusions.

When the device of the present invention is in use, when suturing for the first time, the operator first uses tissue tweezers to lift the epidermal tissue on both sides of the wound to be sutured, embeds the head end of the stapler in the wound to be sutured, and keeps the staples in the stapler. The push-out direction is parallel to the surface of the sutured tissue, and then the two occlusal tooth discs are controlled to rotate around their roots to switch from the open state to the closed state. During this process, the two clamping protrusions cooperate with each other to clamp the upper suture The epidermal tissue on both sides of the nail part, and send the subcutaneous dermal tissue to be sutured into the suturing area, and then control the sliding needle to move along the sliding sleeve to push the staples in the sliding sleeve in a direction parallel to the surface of the wound to be sutured, and Suture the subcutaneous layer of the wound to be sutured horizontally, lift the stapler vertically from the wound after suturing, and complete the first suture; when performing subsequent sutures, directly bury the head of the stapler in the wound to be sutured And adjust it to a suitable position, and then control the two occlusal tooth discs to rotate around their roots to switch from the open state to the closed state. During this process, the two gathered protrusions cooperate with each other to clamp the upper staple part At the same time, the epidermal tissue on both sides of the upper suture part can be brought together, so that the two clamping protrusions can clamp the epidermal tissue on both sides of the upper suture part through the cooperation of the two clamping protrusions, and the subcutaneous dermal tissue to be sutured Send it into the suture area, and then control the sliding needle to push out to complete one suture. Repeat the above operation to complete the subsequent suture. Since the suture position will form a bulge after the first suture, the protrusions will be gathered together during the subsequent suture. Cooperating with the epidermal tissue on both sides of the front side of the upper suture nail, the device of the present invention only needs to use auxiliary instruments such as tweezers to clamp the first suture, and the subsequent suture operation is convenient, which can greatly reduce the work of the operator. The amount and difficulty of operation can be improved at the same time, and the efficiency of suturing can be improved, and the operation time can be shortened. In addition, the two epidermal tissues on both sides of the wound can be clamped by the clamping protrusion and the gathering protrusion, which can effectively prevent the wound from slipping during occlusal. At the same time, it can Ensure the regularity of the wound after suturing, which is conducive to wound healing.

Preferably, the protrusion distance of the gathering protrusion relative to the inner end surface of the articulation tooth plate is greater than the distance of the clamping protrusion protrusion relative to the inner end surface of the articulation tooth plate.

By setting the distance of the gathering protrusion relative to the inner end face of the occlusal disc to be greater than the distance of the clamping protrusion relative to the inner end face of the occlusal disc, when the two occlusal discs are switched from the open state to the closed state , the two gathering protrusions can clamp the epidermal tissue on both sides of the front side of the upper staple part first, so as to ensure that the epidermal tissue on both sides of the upper staple part can be gathered first, and then clamp the protrusions to achieve alignment Accurate clamping of the epidermal tissue on both sides of the staple portion.

Preferably, a plurality of occlusal teeth are formed on the surfaces of each of the clamping protrusions and the gathering protrusions, and the plurality of occlusal teeth are evenly spaced, and the occlusal teeth include a set of occlusal teeth set at the thickness of the occlusal tooth plate. There are two rows of high teeth at both ends of the direction and multiple rows of low teeth between the two rows of high teeth. The surface of the clamping protrusion is also formed with a plurality of anti-slip teeth located on the rear side of the occlusal teeth. The anti-skid teeth are evenly spaced.

A plurality of occlusal teeth are formed on the surface of each clamping protrusion and gathering protrusion, and the plurality of occlusal teeth are evenly spaced. There are multiple rows of low teeth between the rows of high teeth, and the surface of the clamping protrusions is also formed with multiple anti-slip teeth located on the back side of the occlusal teeth. , mainly through the high teeth on both sides to clamp the surrounding epidermal tissue, and through the middle low teeth to clamp the epidermal tissue of the upper suturing nail part, which can prevent the epidermal tissue of the upper suturing nail part from being damaged due to excessive force during suturing At the same time, it can prevent the part of the epidermal tissue from being greatly deformed and cause the sutured wound to be unsightly. In addition, the anti-slip teeth can contact the skin on the back side of the clamping part, because when the suture needle enters the skin from the back side, there will be a squeeze on the skin. Therefore, it can prevent the skin from slipping when the staples enter the skin, so that the staples can enter the skin smoothly for suturing. In addition, the anti-slip teeth can also play a certain anti-slip effect when sliding and squeezing occur.

Preferably, two rows of high teeth are arranged parallel to each other, wherein each of the high teeth is arranged at a distance from each other, and multiple rows of the low teeth are arranged at intervals and parallel to each other, wherein each of the low teeth is arranged at a distance from each other.

By setting two rows of high teeth parallel to each other, wherein each high tooth is spaced apart from each other, multiple rows of low teeth are spaced apart and parallel to each other, wherein each low tooth is spaced apart from each other, so that when the surrounding epidermal tissue is clamped by the high teeth The extrusion force on the epidermal tissue between the two rows of high teeth is relatively uniform, and the deformation of this part of the epidermal tissue is also relatively uniform, so as to clamp this part of the epidermal tissue stably. In addition, when the epidermal tissue is squeezed and deformed, part of the epidermal tissue will Sliding into the gap formed by the high teeth can effectively prevent the skin from sliding, so that the suture operation can be performed, so that when the epidermal tissue of the upper suturing nail is clamped by the low teeth, the extrusion force on this part of the epidermal tissue is relatively uniform, and the resulting The deformation is also relatively uniform, so that this part of the tissue can be sutured, and at the same time, the aesthetics of the wound after suturing can be guaranteed. In addition, when the skin is squeezed and deformed, part of the epidermal tissue will slide into the gap formed by the lower teeth, which can effectively prevent the skin from sliding, making The wound was neat after suturing.

Preferably, an arc-shaped groove is formed between the clamping protrusion and the gathering protrusion on the same occlusal tooth plate.

By forming an arc-shaped groove between the clamping protrusion and the gathering protrusion on the same occlusal tooth plate, a space for the surrounding skin tissue to slide can be provided during occlusal, which can prevent the surrounding skin tissue from being greatly deformed , to avoid affecting the aesthetics of the wound after suturing.

Preferably, the stapler body is provided with a staple storage device located above the nail pushing device, and the staple storage device includes a staple cartridge fixed directly above the front end of the sliding sleeve with an opening at the bottom. A clip cartridge penetrating up and down and used for storing staples is detachably fixed, and the clip cartridge can be taken out from the bottom opening of the staple cartridge.

The stapler body is provided with a staple storage device located above the nail pushing device. The staple storage device includes a staple magazine fixed directly above the front end of the sliding sleeve and with an open bottom. The clip bin of the staple bin, the clip bin can be taken out from the bottom opening of the staple bin, so that after the staples in the clip bin are used up, the clip bin can be taken out from the bottom opening of the staple bin, and then new sutures can be put into the clip bin Nails can ensure the repeated use of the stapler.

Preferably, a push button is provided on the front surface of the stapler body, the rear end of the push button is fixed with push pieces that pass through the stapler body and the staple cartridge housing in turn, and the stapler body and the The casing of the staple cartridge is provided with a limit groove for the push piece to move up and down. end slip fit.

A push-out button is provided on the front surface of the stapler body, and the rear end of the push-out button is fixed with push pieces that pass through the stapler body and the staple cartridge shell in turn, and the stapler body and the staple cartridge shells are provided with push pieces The limit groove that moves up and down, the cross-sectional shape of the limit groove is rectangular, the two opposite side walls of the limit groove slide and cooperate with the two ends of the push piece, so that when the push button is pushed down, the push piece can be driven downward at the same time, The moving direction of the push piece can be guided by the sliding fit between the push piece and the limiting groove, and at the same time, the distance of the push piece moving up and down can be limited by the limiting groove, thereby limiting the distance of the push button moving up and down.

Preferably, a connection groove is formed on the outer surface of the clip, openings are formed on the top of the connection groove and on the side corresponding to the push piece, and an inclined clamping part is formed on the bottom of the connection groove, so The end of the push piece is bent downwards to form an elastic part that movably cooperates with the clamping part, the bottom end of the elastic part is set in a semi-cylindrical shape, and the connecting groove is formed above the clamping part for As for the guide part that deforms the elastic part, the rear side of the bottom end of the elastic part is located at the front side of the top end of the guide part in a natural state.

A connection groove is formed on the outer surface of the clip, openings are provided on the top of the connection groove and on the side corresponding to the push piece, an inclined clamping portion is formed on the bottom of the connection groove, and the end of the push piece is bent downward to form a The elastic part that is movably matched with the clamping part. The bottom end of the elastic part is set in a semi-cylindrical shape. The connecting groove is formed with a guide part that is located above the clamping part and is used to deform the elastic part. It is located on the front side of the top end of the guide part, so that when the push piece moves downward, the clamping part and the elastic part can simultaneously push the clip cartridge down to move the same distance, so that the bottom end of the clip cartridge can be moved from the staple cartridge The opening at the bottom protrudes so that the operator can take out the staple cartridge from the cartridge and put it into a new suture needle. In addition, through the cooperation between the clamping part and the elastic part, a lateral force can be applied to the cartridge, which can improve the clip cartridge. The stability of the installation in the staple cartridge, in addition, when the cartridge full of staples is loaded into the staple cartridge, the cartridge moves upward from the bottom of the staple cartridge, and the elastic part can be deformed by the guide part and slide into the clamping part Cooperating with it, at the same time, the staple cartridge will not interfere with the elastic part when it moves upwards. In addition, the push piece can be pushed back to the top dead center position, thereby driving the push button to reset to the top dead center position, so that the staple cartridge can be pushed out next time.

As a preference, two opposite clip strips are fixed on the outer surface of the magazine, the clip strips have elastic recovery characteristics, and the inner surface of the staple cartridge is formed with a clip slot that movably cooperates with the clip strips. The surface profile of the bar is U-shaped, and the locking groove is set as a semi-cylindrical shape matching the arc portion of the bar.

Two opposing clamping strips are fixed on the outer surface of the magazine, and the clamping strips have elastic recovery characteristics. The inner surface of the staple magazine is formed with a clamping groove that cooperates with the clamping strips. The surface profile of the clamping strips is U-shaped, and the clamping grooves are set It is a semi-cylindrical shape matched with the arc part of the clip, so that when the clip cartridge is installed in the staple cartridge, the axial limit of the clip cartridge can be realized through the movable cooperation between the clip clip and the clip groove, so that the clip cartridge can be stabilized Installed in the staple cartridge, at the same time, the clamp strip can be deformed under the action of external force so that the clamp cartridge can move axially relative to the staple cartridge, so that the clamp cartridge can be taken out from the staple cartridge, and the distance between the clamp strip and the slot The fit will not be too tight, so that the clip cartridge and the staple cartridge can move axially after being subjected to an external force while ensuring relative fixation.

Preferably, the stapler body is provided with a staple output device directly above the staple storage device, and the staple output device is used to push out the staples in the clip from the bottom opening of the clip Into the sliding sleeve, the nail output device includes a positioning belt that can move along the axial direction of the clip, one end of the positioning belt extends into the clip and is connected to the uppermost suture in the clip. Nails offset.

A staple output device located directly above the staple storage device is provided in the stapler body. The staple output device is used to press out the staples in the clip from the bottom opening of the clip into the sliding sleeve. The staple output device includes a The positioning belt for the axial movement of the clip bin, one end of the positioning band extends into the clip bin and is offset against the uppermost staple in the clip bin, so that the lowermost staple in the clip bin can be moved by controlling the axial movement of the positioning band along the clip bin The staples are pressed into the sleeve to be pushed out by the sliding needle for suturing.

Beneficial effect

Therefore, the device of the present invention only needs to be clamped by auxiliary instruments such as tweezers during the first suture, and the subsequent suture operation is convenient, which can greatly reduce the workload of the operator and the difficulty of operation, and can improve the efficiency of suture at the same time, shorten the operation time.

Description of drawings

Fig. 1 is a schematic diagram of the three-dimensional structure of the present invention.

Fig. 2 is a partial bottom view structure diagram of the present invention.

Fig. 3 is an enlarged schematic diagram of the structure at A in Fig. 2 of the present invention.

Fig. 4 is a schematic diagram of the structure of the occlusal disc in the present invention when it is opened.

Fig. 5 is a structural schematic view of the occlusal disc of the present invention when it is closed.

Fig. 6 is a schematic diagram of part of the internal structure of the stapler body in the present invention.

Fig. 7 is a schematic diagram of the connection structure between the staple cartridge and the clip cartridge in the present invention.

Fig. 8 is a three-dimensional schematic diagram of the push button in the present invention.

Fig. 9 is a schematic perspective view of the three-dimensional structure of the staple cartridge in the present invention.

Fig. 10 is a schematic perspective view of the three-dimensional structure of the magazine in the present invention.

Fig. 11 is a schematic diagram of the connection structure between the push piece and the connection groove in the present invention.

The marks in the accompanying drawings are described as follows: 1. Stapler body; 2. Nail pushing device; 3. Sliding sleeve; 4. Sliding needle; 5. Suture area; Gathering protrusions; 9, occlusal teeth; 10, high teeth; 11, low teeth; 12, anti-skid teeth; 13, grooves; 14, nail storage device; 15, nail magazine; 16, clip magazine; 17, push button; 18. Push piece; 19. Limiting groove; 20. Connecting groove; 21. Clamping part; 22. Elastic part; 23. Guide part; positioning belt.

BEST MODE FOR CARRYING OUT THE INVENTION

Type the paragraph describing the best mode for carrying out the invention here.

Embodiments of the present invention

The technical solutions of the present invention will be further specifically described below through the embodiments and in conjunction with the accompanying drawings.

As shown in Figures 1 and 3, a skin stapler that is easy to operate according to the present invention includes a stapler body 1, and a nail pushing device 2 is provided at the bottom of the stapler body 1, and the nail pushing device 2 includes a slide extending forward and backward. The sleeve 3 and the sliding needle 4 are slidably fitted in the sliding sleeve 3. The sliding sleeve 3 is slidably installed on the bottom of the stapler body 1 so that the sliding sleeve 3 can move along its extension direction. 3. The suturing area 5 on the front side of the extension end. The bottom of the stapler body 1 is symmetrically installed with two occlusal discs 6 located on both sides perpendicular to the extension direction of the sliding sleeve 3. The roots of the two occlusal discs 6 are respectively connected to the stapler body 1. The rotation support is formed so that the two occlusal chainrings 6 can be opened and closed centered on their roots. When they are opened, the two occlusal chainrings 6 form a right angle. When they are closed, the lower surfaces of the two occlusal chainrings 6 are on the same horizontal plane. Two clamping projections 7 positioned at the opposite sides of the stitching area 5 and two gathering projections 8 positioned at the front side of the two clamping projections 7 are formed at the opposite inner ends of each occlusal tooth plate 6, and the gathering projections 8 are opposite to each other. The protrusion distance of the inner end surface of the occlusal tooth plate 6 is greater than the protrusion distance of the clamping protrusion 7 relative to the inner end surface of the occlusal tooth plate 6 .

As shown in Figure 2 and Figure 3, an arc-shaped groove 13 is formed between the clamping protrusion 7 and the gathering protrusion 8 on the same occlusal tooth plate 6, and each clamping protrusion 7 and gathering protrusion The surface of 8 is formed with a plurality of occlusal teeth 9, and the plurality of occlusal teeth 9 are evenly distributed. The occlusal teeth 9 include two rows of high teeth 10 located at both ends of the occlusal tooth plate 6 in the thickness direction and between the two rows of high teeth 10. There are many rows of low teeth 11, and the surface of the clamping protrusion 7 is also formed with a plurality of anti-skid teeth 12 positioned at the rear side of the bite teeth 9. The plurality of anti-skid teeth 12 are evenly spaced, and two rows of high teeth 10 are arranged parallel to each other. Two high teeth 10 are arranged at intervals from each other. The cross-sectional shape of the high teeth 10 is trapezoidal. Multiple rows of low teeth 11 are arranged at intervals and parallel to each other. Each of the low teeth 11 is arranged at intervals. The height is twice of the low teeth 11 heights.

As shown in Fig. 6, Fig. 7, Fig. 9 and Fig. 10, the stapler body 1 is provided with a nail storage device 14 located above the nail pushing device 2. The staple bin 15 is detachably fixed with a clip bin 16 that penetrates up and down and is used to store staples. The clip bin 16 can be taken out from the bottom opening of the staple bin 15. The outer surface of the clip bin 16 is fixed with two opposite The clip 24 provided, the clip 24 has elastic recovery characteristics, the inner surface of the staple bin 15 is formed with a clip groove 25 that is movably matched with the clip 24, the surface profile of the clip 24 is U-shaped, and the clip 25 is arranged to be connected with the clip. The arc part of 24 fits into a semi-cylindrical shape. The stapler body 1 is provided with a staple output device 26 directly above the staple storage device 14. The staple output device 26 is used to remove the staples in the clip bin 16 from the bottom of the clip bin 16. The opening is pressed out into the sliding sleeve 3, and the nail ejecting device 26 includes a positioning belt 27 that can move along the axial direction of the clip bin 16. One end of the positioning strap 27 extends into the clip bin 16 and is opposed to the uppermost staple in the clip bin 16. .

As shown in Fig. 6, Fig. 7 and Fig. 8, the front side surface of the stapler body 1 is provided with a push-out button 17, and the rear end of the push-out button 17 is fixed with a push piece 18 which passes through the stapler body 1 and the shell of the staple bin 15 in sequence. , the housings of the stapler body 1 and the staple cartridge 15 are all provided with a limit groove 19 for the push piece 18 to move up and down, the cross-sectional shape of the limit groove 19 is rectangular, and the two side walls of the limit groove 19 are opposite to the push piece. 18 Slip fit at both ends.

As shown in Figure 10 and Figure 11, the outer surface of the clip bin 16 is formed with a connecting groove 20, the top of the connecting groove 20 and the side corresponding to the push piece 18 are provided with openings, and the bottom of the connecting groove 20 is formed with an inclined locking part 21, the end of the push piece 18 is bent downwards to form an elastic part 22 that movably cooperates with the clamping part 21. The guide part 23 for deforming the elastic part 22 , the rear side of the bottom end of the elastic part 22 is located at the front side of the top end of the guide part 23 in a natural state.

During the specific implementation of this embodiment, when suturing for the first time, the operator first lifts the epidermal tissue on both sides of the wound to be sutured with tissue tweezers, embeds the head end of the stapler in the wound to be sutured, and keeps the staples in the stapler The push-out direction is parallel to the surface of the sutured tissue, and then the two occlusal tooth discs 6 are controlled to rotate around their roots to switch from the open state to the closed state. During this process, the two clamping protrusions 7 cooperate with each other to clamp Tighten the epidermal tissue on both sides of the staple part, and send the subcutaneous dermis tissue to be sutured into the suturing area 5, and then control the sliding needle 4 to move along the sliding sleeve 3 to move the staples in the sliding sleeve 3 along the direction parallel to the suture area. Push out in the direction of the wound surface, and suture the subcutaneous layer of the wound to be sutured horizontally. After suturing, lift the stapler vertically from the wound to complete the first suture; Embed in the wound to be sutured and adjust to a suitable position, and then control the two occlusal discs 6 to rotate around their roots to switch from the open state to the closed state. In the process, the two gathering protrusions 8 Cooperate with each other to clamp the epidermal tissue on both sides of the front side of the upper staple part, and at the same time, the epidermal tissue on both sides of the upper staple part can be gathered together, so that the epidermis on both sides of the upper staple part can be clamped by the mutual cooperation of the two clamping protrusions 7 tissue, and send the subcutaneous dermal tissue to be sutured into the suture area, and then control the sliding needle 4 to push out to complete a suture, repeat the above operation, and then complete the subsequent suture; when the staples in the clip compartment 16 are used up, operate The personnel pushes the sliding sleeve 3 to move to the rear side, and then pushes the ejection button 17 downward to push the clip bin 16 to move down a certain distance through the push piece 18, so that the bottom end of the clip bin 16 protrudes from the bottom opening of the staple bin 15 , and then the operator can clamp the bottom end of the clip bin 16 with tweezers and take it out from the bottom opening of the staple bin 15, then load new staples into the clip bin 16, and then put the clip bin 16 full of staples into In the staple magazine 15, the connection and fixation are realized through the cooperation between the clip bar 24 and the clip slot 25, and then the sliding sleeve 3 is pushed to reset to the front side.

The device of the present invention only needs to be clamped by auxiliary instruments such as tweezers during the first suture, and the subsequent suture operation is convenient, which can greatly reduce the workload of the operator and the difficulty of operation, and at the same time can improve the efficiency of suture and shorten the operation time .

Claims

An easy-to-operate skin stapler, comprising a stapler body (1), the bottom of the stapler body (1) is provided with a nail pushing device (2), and the nail pushing device (2) includes a sliding sleeve ( 3) and the sliding needle (4) slidingly fitted in the sliding sleeve (3), characterized in that: the bottom of the front end of the stapler body (1) is formed with a needle located on the front side of the extension end of the sliding sleeve (3). In the stitching area (5), the bottom of the stapler body (1) is symmetrically equipped with two occlusal discs (6) located on both sides perpendicular to the extension direction of the sliding sleeve (3), and the two occlusal discs ( 6), the roots of the stapler body (1) respectively form a rotational support so that the two occlusal discs (6) can be opened and closed centering on their roots, and the two occlusal discs (6) The opposite inner end is formed with two clamping protrusions (7) located on opposite sides of the sewing area (5) and two gathering protrusions (8) located at the front side of the two clamping protrusions (7). ).
An easy-to-operate skin stapler according to claim 1, characterized in that: the distance of the gathering protrusion (8) relative to the inner end surface of the occlusal tooth plate (6) is greater than that of the clamping protrusion The protruding distance of the protrusion (7) relative to the inner end surface of the occlusal tooth plate (6).
An easy-to-operate skin stapler according to claim 1 or 2, characterized in that: the surfaces of each of the clamping protrusions (7) and the gathering protrusions (8) are formed with multiple bites Teeth (9), a plurality of occlusal teeth (9) are evenly spaced, and the occlusal teeth (9) include two rows of high teeth (10) arranged at both ends of the occlusal tooth plate (6) in the thickness direction and located at Multiple rows of low teeth (11) between the two rows of high teeth (10), the surface of the clamping protrusion (7) is also formed with a plurality of anti-slip teeth ( 12), a plurality of said anti-skid teeth (12) are evenly spaced.
An easy-to-operate skin stapler according to claim 3, characterized in that: two rows of high teeth (10) are arranged parallel to each other, wherein each of the high teeth (10) is arranged at intervals from each other, and multiple rows of high teeth (10) are arranged at intervals. The low teeth (11) are spaced apart from each other and arranged in parallel, wherein each of the low teeth (11) is set apart from each other.
An easy-to-operate skin stapler according to claim 1 or 2, characterized in that: the clamping protrusion (7) and the gathering protrusion ( 8) Arc-shaped grooves (13) are formed between them.
An easy-to-operate skin stapler according to claim 1 or 2, characterized in that: the stapler body (1) is provided with a staple storage device (14) located above the staple pusher (2) , the staple storage device (14) includes a staple cartridge (15) fixed directly above the front end of the sliding sleeve (3) and with an open bottom, the staple cartridge (15) is detachably fixed with up and down penetrating holes for A clip bin (16) for storing staples, the clip bin (16) can be taken out from the bottom opening of the staple bin (15).
An easy-to-operate skin stapler according to claim 1 or 2, characterized in that: a push-out button (17) is provided on the front side surface of the stapler body (1), and the rear of the push-out button (17) The end is fixed with a push piece (18) passing through the shell of the stapler body (1) and the staple cartridge (15) in turn, and the stapler body (1) and the shell of the staple cartridge (15) are Each is provided with a limit groove (19) for the push piece (18) to move up and down. The two ends of the push piece (18) are slidingly fitted.
An easy-to-operate skin stapler according to claim 7, characterized in that: a connecting groove (20) is formed on the outer surface of the clip (16), and the top of the connecting groove (20) and the The corresponding side of the push piece (18) is provided with an opening, the bottom of the connecting groove (20) is formed with an inclined clamping part (21), and the end of the push piece (18) is bent downward to form a The elastic part (22) that is movably matched with the clamping part (21), the bottom end of the elastic part (22) is set in a semi-cylindrical shape, and the connecting groove (20) is formed with a And for the guide part (23) used to deform the elastic part (22), the rear side of the bottom end of the elastic part (22) is located at the front side of the top end of the guide part (23) in a natural state.
An easy-to-operate skin stapler according to claim 6, characterized in that: two opposite clamping strips (24) are fixed on the outer surface of the clip (16), and the clamping strips (24) have Elastic recovery characteristics, the inner surface of the staple cartridge (15) is formed with a draw-in groove (25) that movably cooperates with the clamp strip (24), the surface profile of the clamp strip (24) is U-shaped, and the draw-in groove (25) is arranged as a semi-cylindrical shape matched with the arc portion of the clamping strip (24).
An easy-to-operate skin stapler according to claim 6, characterized in that: the stapler body (1) is provided with a staple output device (26) directly above the staple storage device (14), The nail ejector (26) is used to press out the staples in the clip (16) from the bottom opening of the clip (16) into the sliding sleeve (3). (26) includes a positioning belt (27) that can move along the axial direction of the folder (16), and one end of the positioning belt (27) extends into the folder (16) and is connected to the folder (16). ) offset against the topmost staples.