CN206809305U - Skin sewing needle - Google Patents

Abstract

The utility model discloses a kind of Skin sewing needle, including device body, the firing handle rotated relative to the device body, staple chopping block, staple guide-rail plate and staple, the firing handle drives the staple chopping block to be moved towards the staple guide-rail plate, the staple guide-rail plate is used to support the staple, the staple chopping block and the staple guide-rail plate, which cooperate, realizes the shaping of the staple, the Skin sewing needle also includes the staple push pedal being movably set on the staple guide-rail plate, the staple push pedal has the front end face abutted with staple, the front end face is configured to the inclined-plane completely overlapped with the staple.Skin sewing needle of the present utility model can realize the smooth release of last piece of stapling nail, operate reliable and convenient and practical.

Description

Skin sewing needle

Technical field

It the utility model is related to technical field of medical instruments, more particularly to a kind of Skin sewing needle.

Background technology

Skin sewing needle is by general surgery, orthopaedics, gynemetrics, Department of B urn, emergency department, cardiothoracic surgery, neurosurgery etc. The clinical application for many years of surgical departments, it was demonstrated that there is quick, easy advantage in long wound carries out epidermis sewing process, be seam The major reform of conjunction technology, can yet be regarded as surgical good assistant, be the medical product being worthy of popularization.Staple push pedal pushes away During to last one nail, staple push pedal inclined-plane withstands staple.Because staple push pedal head is jagged, staple push pedal can be caused to withstand Ailhead can tilt towards push pedal indentation, there when nail, so as to cause staple chopping block can not push away staple, finally cause last piece of nail to hold Easily it is stuck between nail bin cover plate and staple guide-rail plate and does not come out.Therefore, how to realize that last piece of stapling nail is smoothly released is this Field personnel's urgent problem.

The content of the invention

The purpose of this utility model is to provide a kind of Skin sewing needle, and its operation is reliable and convenient and practical.

To realize above-mentioned purpose of utility model, the utility model provides a kind of Skin sewing needle, including device body, relatively described Firing handle, staple chopping block, staple guide-rail plate and the staple that device body rotates, the firing handle drive the staple chopping block direction The staple guide-rail plate motion, the staple guide-rail plate are used to support the staple, the staple chopping block and the staple guide rail Plate, which cooperates, realizes the shaping of the staple, and the Skin sewing needle also includes being movably set on the staple guide-rail plate Staple push pedal, the staple push pedal have the front end face abutted with staple, and the front end face is configured to completely heavy with the staple Folded inclined-plane.

As the further improvement of the embodiment of the utility model one, the staple push pedal is led including being installed on the staple Main part on rail plate and the fixed part vertically protruded along the surface of main part, the width of the fixed part bottom are more than upper The width in portion.

As the further improvement of the embodiment of the utility model one, along the launch direction of staple, on the fixed part The shape design in portion is taper in width.

As the further improvement of the embodiment of the utility model one, the cross-sectional configuration of the fixed part bottom is four sides Shape, the cross-sectional configuration on the fixed part top is triangle.

As the further improvement of the embodiment of the utility model one, the top of the fixed part sets hook part, the hook Portion extends along the launch direction away from staple.

As the further improvement of the embodiment of the utility model one, the staple push pedal is led including being installed on the staple Main part on rail plate and the fixed part vertically protruded along the surface of main part, the fixed part prolong on the main part The length and the ratio of the total length of the main part stretched are 10:1 to 5:Between 1.

As the further improvement of the embodiment of the utility model one, along the body width direction of the staple push pedal, Gap is provided with the middle part of the fixed part.

As the further improvement of the embodiment of the utility model one, the inclined-plane contacts with the kink of the staple Regional structure is the arcwall face identical with staple periphery.

As the further improvement of the embodiment of the utility model one, the Skin sewing needle also includes being located at the staple Guide piece below guide-rail plate, after the staple formation, guide piece promotes the staple to depart from the staple guide-rail plate.

As the further improvement of the embodiment of the utility model one, the staple guide-rail plate includes staple guide-rail plate body And the block nail plate of staple guide-rail plate body edges is arranged at, the staple guide-rail plate body is put down from the block nail plate positioned at different In face.

Compared with prior art, the beneficial effects of the utility model are：Skin sewing needle of the present utility model pass through by The front end face that staple push pedal abuts with staple is configured to the inclined-plane completely overlapped with staple, in this way, staple can be caused smoothly to push away Go out, avoid being stuck between nail bin cover plate and staple guide-rail plate and do not come out.Skin sewing needle of the present utility model is simple to operate, efficiently And it is convenient and practical, it can more shorten operation time, valuable opportunity is won to save patient vitals.

Brief description of the drawings

Fig. 1 is the floor map of Skin sewing needle in the utility model preferred embodiment；

Fig. 2 is sectional view of the Skin sewing needle along Skin sewing needle longitudinal center line in Fig. 1；

Fig. 3 is the structural representation of a part of device body of Skin sewing needle omission in Fig. 1；

Fig. 4 is that floor map is decomposed in the Skin sewing needle subelement in Fig. 1；

Fig. 5 is the floor map of the staple push pedal of the Skin sewing needle in Fig. 1；

Fig. 6 is the elevational schematic view of the staple push pedal in Fig. 5.

Embodiment

The utility model is described in detail below with reference to embodiment shown in the drawings.But these embodiment party Formula is not intended to limit the utility model, structure that one of ordinary skill in the art is made according to these embodiments, method or Conversion functionally is all contained in the scope of protection of the utility model.

As shown in Fig. 1 to Fig. 4, for the structural representation of the Skin sewing needle of the embodiment of the utility model one, this practicality New Skin sewing needle includes device body 10 and firing handle 20, and the active card of firing handle 20 is located at device body 10.Before device body 10 Portion is provided with anvil plate 30, and anvil plate 30 includes generally U-shaped anvil plate body（Do not indicate）And protruded out towards both sides described The projection 31 of anvil plate body, when anvil plate 30 is assembled into the Skin sewing needle, inclination of the anvil plate 30 close to device body 10 Face 13 is placed, and two projections 31 of anvil plate 30 through device body 10 stopper slot 11 and with firing handle 20 mutually card and, such as This, when firing handle 20 rotates relative to device body 10, firing handle 20 can drive anvil plate 30 to move, wherein, anvil plate 30 Angle of inclination is consistent with the angle of inclination of inclined plane 13.

Staple chopping block 50 is installed on anvil plate 30, staple chopping block 50 is mutually clamped with anvil plate 30, and staple chopping block 50 Between anvil plate 30 and the inclined plane 13 of device body 30.The lower section of anvil plate 30 is provided with spring lock block 40, spring lock block 40 Including pedestal and it is obliquely installed in the first protuberance 41 on pedestal, the first protuberance 41 and the anvil plate 30 of spring lock block 40 Helical compression spring 130 is provided between second protuberance 32, the both ends of helical compression spring 130 are sheathed on the first protuberance 41 and second respectively On protuberance 32.When firing handle 20 rotates relative to device body 10 and when driving anvil plate 30 to be moved towards spring lock block 40, spiral Stage clip 130 puts aside elastic force by compression, when firing handle 20 resets, can by the effect of helical compression spring 130 anvil Seat board 30 moves away from spring lock block 40.

Skin sewing needle also includes nail bin cover plate 60, nail bin 70, guide piece 80 and the seam for from bottom to top stacking gradually setting Follow closely guide-rail plate 90.The front end of guide piece 80 has two supporting parts being upturned, and two support sections are every setting, guide piece 80 For aiding in staple to depart from staple guide-rail plate 90.Staple guide-rail plate 90 includes guide-rail plate body（Do not indicate）And its front end is tilted upward The block nail plate 91 risen, guide-rail plate body and block nail plate 91 are located in different planes, and staple, block nail plate are placed with block nail plate 91 91 on the extension line of staple chopping block 50, in this way, block nail plate 91 can cooperate with reality with the forming part on staple chopping block 50 The shaping of existing staple.Explanation is needed exist for, the angle between staple chopping block 50 and block nail plate 91 is 140 °, in this way, can make Obtain staple formation easily and staple can pass through Skin sewing needle nail mouth；The tilting degree of the supporting part of guide piece 80 and gear The tilting degree of nail-plate 91 is consistent, and when Skin sewing needle is in original state, supporting part contacts with each other with block nail plate 91, support Portion partly overlaps with block nail plate 91, and is smaller than width of the block nail plate 91 along spacing direction between two supporting parts, such as This, it can be ensured that supporting part can touch the staple after shaping；In addition, supporting part and the lower section of block nail plate 91 are engraved structure, with The staple for alloing to be placed on block nail plate 91 contacts skin to be stapled.

The upper surface of staple guide-rail plate 90 is arch convex portion 92, the arch convex portion 92 be used to place closely arrange it is in a row Staple, is movably set with staple push pedal 110 on arch convex portion 92, and the front end face 111 of staple push pedal 110 is inclined-plane, front end face 111 For supporting the afterbody of staple in a row, and fixed part 112 is also convexly equipped with staple push pedal 110, ring type is arranged with fixed part 112 Constant force tension spring（It is not shown）, here, the other end of ring type constant force tension spring can be sheathed on spring lock block 40, in this way, ring type constant force Extension spring and staple push pedal 110 can promote staple to be moved towards the direction of inclined plane 13 of device body 10, so as to which staple is pushed into retaining screw At plate 91.Preferable in the present embodiment shown in reference picture 5 and Fig. 6, surface of the fixed part 112 along staple push pedal 110 is to vertical Extend in the direction on the surface of staple push pedal 110, and along the launch direction of staple, the shape design of fixed part 112 for width gradually Contracting, and the width of the bottom of fixed part 112 is more than the width on top, the section substantially quadrangle of fixed part bottom, top is cut Face is have a generally triangular shape.In addition, on the top of fixed part, hook part is extended with along the launch direction away from staple, passes through setting Hook part, prevent ring type constant force tension spring from being separated with staple push pedal 110.

In order to prevent last piece of nail to be stuck between nail bin cover plate and staple guide-rail plate, last nail is shifted in staple push pedal onto When, staple push pedal inclined-plane 111 withstands staple, and preferable in the present embodiment, staple push pedal inclined-plane 111 is configured to continuous inclined-plane, That is, staple push pedal inclined-plane 111 is completely overlapped with staple along incline direction, so when staple push pedal shifts last onto During nail, staple push pedal inclined-plane 111 can withstand staple completely, and the angle of staple will not be offset, and staple chopping block can be completely out Staple.In addition, in order that staple push pedal inclined-plane 111 is preferably bonded with staple, staple push pedal inclined-plane 111 connects with staple kink Tactile region is arranged to the arcwall face 113 identical with the periphery of staple 100, in this way, increasing staple 100 and staple push pedal inclined-plane 100 contact area, it is ensured that staple can be completely pushed out of.Along the width of the main body of staple push pedal 110, fixed part 112 Middle part be provided with gap 114.

It following is a brief introduction of the workflow of the Skin sewing needle of the embodiment of the utility model one：

The superficial skin of wound and operative incision is cleaned up, when preparing suture, handheld stitching unstrument, keeps staple Perpendicular to skin, otch to be stapled is located at the centre position of staple and Skin sewing needle is pressed to skin surface, now, wait to make Staple is located on the block nail plate 91 of staple guide-rail plate 90, and staple is in door shape；

Firing handle of holding with a firm grip 20, firing handle 20 is pressed towards the direction of device body 10, firing handle 20 is driven by projection 31 Anvil plate 30 moves towards the direction of block nail plate 91, and anvil plate 30 drives staple chopping block 50 to be moved towards the direction of block nail plate 91, now, Helical compression spring 130 is compressed；In staple chopping block 50 towards in the direction moving process of block nail plate 91, forming part thereon contacts at first Staple on block nail plate 91, forming part retain staple and keep staple not slide, and firing handle 20 continues to exert a force, and staple is being kept off Under the combined flexure shaping effect of nail-plate 91 and forming part, staple is pressed into skin, and staple is bent to form it is three-back-shaped, this When, staple is by skin closure, after treating staple formation, unclamps firing handle 20, anvil plate 30 is in the presence of helical compression spring 130 Naturally reset, so as to drive staple chopping block 50 to reset, now supporting part resets towards block nail plate 91, and supporting part comes into contact with staple And apply active force to staple, the active force can assistant formation staple towards Skin sewing needle external movement（I.e. away from remaining The direction of staple）, so that staple can smoothly depart from block nail plate 91, to prevent bail phenomenon from occurring, can then exit Skin sewing needle.

Repeat the above steps, carry out follow-up suture, complete the suture of wound and operative incision superficial skin.

It should be appreciated that although the present specification is described in terms of embodiments, not each embodiment only includes one Individual independent technical scheme, this narrating mode of specification is only that those skilled in the art will should say for clarity For bright book as an entirety, the technical scheme in each embodiment may also be suitably combined to form those skilled in the art can With the other embodiment of understanding.

The a series of tool described in detail only for feasibility embodiment of the present utility model of those listed above Body illustrates that they are simultaneously not used to limit the scope of protection of the utility model, all to be made without departing from the utility model skill spirit Equivalent implementations or change should be included within the scope of protection of the utility model.

Claims (10)

1. a kind of Skin sewing needle, including device body, the firing handle rotated relative to the device body, staple chopping block, staple guide-rail plate And staple, the firing handle drive the staple chopping block to be moved towards the staple guide-rail plate, the staple guide-rail plate is used for The staple is supported, the staple chopping block and the staple guide-rail plate, which cooperate, realizes the shaping of the staple, the skin Stitching unstrument also includes the staple push pedal being movably set on the staple guide-rail plate, it is characterised in that the staple push pedal has The front end face abutted with staple, the front end face are configured to the inclined-plane completely overlapped with the staple.

2. Skin sewing needle according to claim 1, it is characterised in that the staple push pedal includes being installed on the staple Main part on guide-rail plate and the fixed part vertically protruded along the surface of main part, the width of the fixed part bottom are more than The width on top.

3. Skin sewing needle according to claim 2, it is characterised in that along the launch direction of staple, the fixed part The shape design on top is taper in width.

4. Skin sewing needle according to claim 2, it is characterised in that the cross-sectional configuration of the fixed part bottom is four sides Shape, the cross-sectional configuration on the fixed part top is triangle.

5. Skin sewing needle according to claim 2, it is characterised in that the top of the fixed part sets hook part, described Hook part extends along the launch direction away from staple.

6. Skin sewing needle according to claim 1, it is characterised in that the staple push pedal includes being installed on the staple Main part on guide-rail plate and the fixed part vertically protruded along the surface of main part, the fixed part is on the main part The ratio of the total length of the length of extension and the main part is 10:1 to 5:Between 1.

7. Skin sewing needle according to claim 6, it is characterised in that along the body width side of the staple push pedal To being provided with gap in the middle part of the fixed part.

8. Skin sewing needle according to claim 1, it is characterised in that the inclined-plane contacts with the kink of the staple Regional structure be and arcwall face that staple periphery is identical.

9. Skin sewing needle according to claim 1, it is characterised in that the Skin sewing needle also includes being located at the seam The guide piece below guide-rail plate is followed closely, after the staple formation, guide piece promotes the staple to depart from the staple guide-rail plate.

10. Skin sewing needle according to claim 1, it is characterised in that the staple guide-rail plate includes staple guide-rail plate Body and the block nail plate for being arranged at staple guide-rail plate body edges, the staple guide-rail plate body is from the block nail plate positioned at different Plane in.