CN205019105U - Skin stapler - Google Patents

Abstract

The utility model discloses a skin stapler, including the ware body, relative ware body pivoted percussion handle, seam nail chopping block, seam nail guide rail board and seam nail, seam nail chopping block and seam nail guide rail board are mutually supported and are realized the shaping of seam nail, seam nail chopping block is close to the one end of stitching the nail and is equipped with two mutual partitions and is used for the drive seam to follow closely the shaping portion that warp, seam nail guide rail board one end just is used for the support to stitch the fender tacking of nail on having the extension line that is located shaping portion, when the tacking motion is kept off to shaping portion orientation, the depth capacity that shaping portion and the crooked and feasible seam nail of fender tacking combined action seam nail formed in waiting to sew up skin is the first degree of depth, unthreading subcutaneous fat layer when the first degree of depth pierces through the skin corium of waiting to sew up skin. The utility model discloses a feasible process line sewn down the back of a jacket nail of sewing up of design is guaranteed to stitch on the skin corium, and can not pass the subcutaneous fat layer, and the seam nail has appropriate penetration promptly, obtains better healing effect.

Description

Skin sewing needle

Technical field

This utility model relates to technical field of medical instruments, particularly relates to a kind of Skin sewing needle.

Background technology

Skin sewing needle is through the clinical application for many years of the surgical departments such as general surgery, orthopaedics, department of obstetrics and gynecology, Department of B urn, emergency department, cardiothoracic surgery, neurosurgery, prove to carry out, in epidermis sewing process, there is quick, easy advantage at long wound, it is the major reform of suturing skill, can yet be regarded as surgical good assistant, is the medical product be worthy of popularization.

During existing staplers wound, stitching standard differs, and causes the stiching instrument staple had effectively cannot penetrate skin corium or penetration depth too dark, through the fat deposit under skin corium, affects sewing effect, be unfavorable for wound healing.

Summary of the invention

The purpose of this utility model is to provide a kind of Skin sewing needle.

For realizing one of above-mentioned utility model object, this utility model one embodiment provides a kind of Skin sewing needle, a kind of Skin sewing needle, comprise device body, relative to the firing handle that described device body rotates, staple chopping block, staple guide-rail plate and staple, described firing handle drives described staple chopping block to move towards described staple guide-rail plate, described staple guide-rail plate is for supporting described staple, described staple chopping block and described staple guide-rail plate cooperatively interact and realize the molding of described staple, described staple chopping block is provided with two and mutually separates and forming part for driving described staple to be out of shape near one end of described staple, described staple guide-rail plate one end have be positioned at described forming part extension line on and block nail plate for supporting described staple, when described forming part is towards described block nail plate motion, staple described in described forming part and described block nail plate combined effect bends and the depth capacity that described staple is formed in skin to be stapled is first degree of depth, not through subcutaneous layer of fat while described first degree of depth penetrates the skin corium of skin to be stapled.

As the further improvement of this utility model one embodiment, described staple comprises variant part and protrudes out the Liang Geding foot of described variant part, the centre symmetry line of two described forming parts overlaps with the centrage of described variant part, and described forming part forces in described variant part.

As the further improvement of this utility model one embodiment, when after described staple molding, described variant part is shaped to the first variant part and protrudes out two the second variant parts of described first variant part, and described nail foot is connected to described second variant part.

As the further improvement of this utility model one embodiment, described second variant part is perpendicular to described first variant part.

As the further improvement of this utility model one embodiment, the inner surface of described variant part is provided with two recesses, described recess is positioned at the intersection of described first variant part and described second variant part.

As the further improvement of this utility model one embodiment, the length of described second variant part is 3.9mm.

As the further improvement of this utility model one embodiment, when described staple molding, have gap between described block nail plate and described forming part, described gap equals the thickness of staple along described first spacing direction.

For realizing one of above-mentioned utility model object, this utility model one embodiment provides a kind of Skin sewing needle, comprise device body, relative to the firing handle that described device body rotates, staple chopping block and staple, described firing handle drives described staple chopping block to move towards described staple, described staple chopping block assists described staple to be out of shape, when described staple is in original state, described staple comprises variant part and protrudes out two nail foot portions of described variant part, when after described staple molding, described variant part is shaped to the first variant part and protrudes out two the second variant parts of described first variant part, described nail foot connects described second variant part, wherein, not through subcutaneous layer of fat while described second variant part penetrates the skin corium of skin to be stapled.

As the further improvement of this utility model one embodiment, the length of described second variant part is 3.9mm.

As the further improvement of this utility model one embodiment, described second variant part is perpendicular to described first variant part.

Compared with prior art, the beneficial effects of the utility model are: the design of this utility model Skin sewing needle makes staple in sewing process guarantee to be sewn on skin corium, and subcutaneous layer of fat can not be passed, namely staple has suitable penetration depth, obtains better healing effect; Not through subcutaneous layer of fat while penetrating the skin corium of skin to be stapled, this utility model Skin sewing needle can realize preferably sewing effect.

Accompanying drawing explanation

Fig. 1 is the overall structure figure of the Skin sewing needle of this utility model one embodiment;

Fig. 2 is the machine body structure schematic diagram of this utility model one embodiment;

Fig. 3 is the firing handle structural representation of this utility model one embodiment;

Fig. 4 is the anvil block plate structure schematic diagram of this utility model one embodiment;

Fig. 5 is the staple cutting boards structure schematic diagram of this utility model one embodiment;

Fig. 5 a is the structure for amplifying schematic diagram of forming part in Fig. 5;

Fig. 6 is the structural representation of the Skin sewing needle omission device body of this utility model one embodiment;

Fig. 7 is the spring lock block structural representation of this utility model one embodiment;

Fig. 8 is the sectional view along Skin sewing needle longitudinal center line of this utility model one embodiment;

Fig. 9 is the structural representation that the Skin sewing needle of this utility model one embodiment omits a part of device body;

Figure 10 is the nail bin cover plate top view of this utility model one embodiment;

Figure 11 is the nail bin top view of this utility model one embodiment;

Figure 12 is the guide piece top view of this utility model one embodiment;

Figure 13 is the staple guide-rail plate top view of this utility model one embodiment;

Figure 13 a is the staple guide-rail plate left view of this utility model one embodiment;

Figure 14 is the staple push pedal front view of this utility model one embodiment;

Figure 15 is the staple original state structural representation of this utility model one embodiment;

Figure 16 is the staple forming process schematic diagram of this utility model one embodiment;

Figure 17 is the structural representation after the staple molding of this utility model one embodiment;

Figure 18 is the structural representation that the staple of this utility model one embodiment is sewed up in skin;

Figure 19 is the staple forming process schematic diagram of another embodiment of this utility model.

Detailed description of the invention

Below with reference to detailed description of the invention shown in the drawings, this utility model is described in detail.But these embodiments do not limit this utility model, the structure that those of ordinary skill in the art makes according to these embodiments, method or conversion functionally are all included in protection domain of the present utility model.

In each diagram of the application, for the ease of diagram, some size of structure or part can be exaggerated, therefore, only for illustrating the basic structure of the theme of the application relative to other structure or part.

In addition, used herein such as " on ", " top ", D score, the representation space relative position such as " below " term be describe a unit as shown in the drawings or the feature relation relative to another unit or feature for the object being convenient to illustrate.The term of relative space position can be intended to comprise equipment in the different azimuth used or in work except orientation shown in figure.Such as, if by the equipment upset in figure, be then described to be positioned at other unit or feature " below " or " under " unit will be positioned at other unit or feature " top ".Therefore, exemplary term " below " can include above and below these two kinds of orientation.Equipment can otherwise be directed (90-degree rotation or other towards), and correspondingly herein interpreted use with the description language of space correlation.

As shown in Figure 1, be the structural representation of the Skin sewing needle of this utility model one embodiment, Skin sewing needle of the present utility model comprises device body 10 and firing handle 20.

Ginseng Fig. 2, the front end of device body 10 is provided with inclined plane 13, the side of device body 10 offers successively the first stopper slot 11 and the second stopper slot 12, here, it should be noted that, the relative two sides adjacent with inclined plane 13 all offer described first stopper slot 11 and described second stopper slot 12.

Ginseng Fig. 3, the front end of firing handle 20 is U-shaped structure, and two relative inner surface places of U-shaped structure are provided with fixing hole 21, and the middle part of U-shaped structure is horizontally set with the crossbeam 22 of connection two inner surfacies, and fixing hole 21 is positioned at the front end of crossbeam 22.When device body 10 is assembled mutually with firing handle 20, crossbeam 22 active card of firing handle 20 is located in the second stopper slot 12 of device body 10, and the U-shaped structure of firing handle 20 is positioned at the outside of the two sides of device body 10.

Ginseng Fig. 4, for the anvil block plate 30 of this utility model one embodiment, anvil block plate 30 comprises generally u-shaped anvil block plate body (sign) and protrudes out the projection 31 of described anvil block plate body towards both sides, when anvil block plate 30 is assembled into described Skin sewing needle, anvil block plate 30 is placed near the inclined plane 13 of device body 10, and two of anvil block plate 30 projections 31 mutually block with the fixing hole 21 of firing handle 20 through the first stopper slot 11 of device body 10 with, so, when firing handle 20 is rotated relative to device body 10, firing handle 20 can drive anvil block plate 30 to move, wherein, the angle of inclination of anvil block plate 30 is consistent with the angle of inclination of inclined plane 13.The anvil block plate body of anvil block plate 30 is also provided with the first protuberance 32, projection 33, first holding section 34 and the second holding section 35, wherein, first protuberance 32 protrudes out U-shaped anvil block plate body towards U-shaped extensibility of structure direction, projection 33, first holding section 34 and the second holding section 35 are all positioned at the upper surface place of U-shaped anvil block plate body, and described upper surface is the one side of anvil block plate 30 near device body 10 inclined plane 13.

Ginseng Fig. 5 is the staple chopping block 50 of this utility model one embodiment, and staple chopping block 50 and above-mentioned anvil block plate 30 cooperatively interact, and staple chopping block 50 is between the inclined plane 13 of anvil block plate 30 and device body 30.Concrete, consult Fig. 6 in the lump, staple chopping block 50 has the groove 51 cooperatively interacted with the projection 33 of anvil block plate 30, and the first depressed part 52 and the second depressed part 53 coordinated with the first holding section 34 and the second holding section 35 respectively, so, anvil block plate 30 can drive staple chopping block 50 to move.Staple chopping block 50 also has two forming parts 54 away from one end of groove 51, and described forming part 54, for the molding of staple 100, has the first space D 1 between two forming parts 54.As shown in Figure 5 a, the end of forming part 54 is provided with arc-shaped notch 541, and arc-shaped notch 541 caves in towards the length direction of anvil block plate 30, and arc-shaped notch 541 is convenient to forming part 54 and is supported staple 100.

Ginseng Fig. 7, for the spring lock block 40 of this utility model one embodiment, spring lock block 40 is positioned at the below of anvil block plate 30, spring lock block 40 comprises pedestal 42 and is obliquely installed the second protuberance 41 on pedestal 42, consult Fig. 8, be provided with helical compression spring 130 between second protuberance 41 of spring lock block 40 and the first protuberance 32 of anvil block plate 30, the two ends of helical compression spring 130 are sheathed on the second protuberance 41 and the first protuberance 32 respectively.When firing handle 20 is rotated relative to device body 10 and is driven anvil block plate 30 to move towards spring lock block 40, helical compression spring 130 is put aside elastic force by compressing, when firing handle 20 resets, anvil block plate 30 can be moved away from spring lock block 40 by the effect of helical compression spring 130.

Ginseng Fig. 8 to Figure 14, Skin sewing needle also comprises the nail bin cover plate 60, nail bin 70, guide piece 80 and the staple guide-rail plate 90 that from bottom to top stack gradually setting.Ginseng Figure 12, the front end of guide piece 80 has two support portions 81 be upturned, and setting is separated in described two support portions 81, and described guide piece 80 departs from described staple guide-rail plate 90 for auxiliary staple 100.Ginseng Figure 13 and Figure 13 a, staple guide-rail plate 90 comprises the block nail plate 91 that guide-rail plate body (sign) and front end thereof are upturned, guide-rail plate body and block nail plate 91 are positioned at different planes, block nail plate 91 is placed with staple 100, block nail plate 91 is positioned on the extension line of staple chopping block 50, so, block nail plate 91 can cooperatively interact the molding realizing staple 100 with the forming part 54 on staple chopping block 50.Here, it should be noted that, the angle between described staple chopping block 50 and described block nail plate 91 is 140 °, so, can make staple 100 molding easily and staple 100 can smoothly by Skin sewing needle nail mouth; The tilting degree of support portion 81 is consistent with the tilting degree of block nail plate 91, and support portion 81 is positioned at the below of block nail plate 91, when Skin sewing needle is in original state, support portion 81 and block nail plate 91 contact with each other, support portion 81 and described block nail plate 91 partly overlap, and the spacing between two described support portions 81 is less than the width of described block nail plate 91 along described spacing direction, so, can guarantee support portion 81 can touch molding after staple 100; In addition, be engraved structure below support portion 81 and block nail plate 91, skin to be stapled can be contacted to make the staple 100 be placed on block nail plate 91.

The upper surface of staple guide-rail plate 90 is arch protuberance 92, described arch protuberance 92 is for placing the staple in a row 100 of closely arrangement, arch protuberance 92 is movably set with staple push pedal 110, the front end face 111 of staple push pedal 110 is inclined-plane, front end face 111 is for supporting the afterbody of staple 100 in a row, and staple push pedal 110 is also convexly equipped with fixed part 112, fixed part 112 is arranged with ring type constant force tension spring 120, here, the other end of ring type constant force tension spring 120 can be sheathed on spring lock block 40, so, ring type constant force tension spring 120 and staple push pedal 110 can promote staple 100 and move towards inclined plane 13 direction of device body 10, thus staple 100 is pushed to block nail plate 91 place.

Simply introduce the workflow of the Skin sewing needle of this utility model one embodiment below:

The superficial skin of wound and operative incision is cleaned up, when preparing to sew up, handheld stiching instrument, keep staple 100 perpendicular to skin, otch to be stapled is made to be positioned at the centre position of staple 100 and to make Skin sewing needle press to skin surface, now, staple 100 to be used is positioned on the block nail plate 91 of staple guide-rail plate 90, and staple 100 is in door font;

To hold with a firm grip firing handle 20, towards device body 10 direction pressing firing handle 20, firing handle 20 drives anvil block plate 30 to move towards block nail plate 91 direction by projection 31, and anvil block plate 30 drives staple chopping block 50 to move towards block nail plate 91 direction, now, helical compression spring 130 is compressed;

At staple chopping block 50 towards in the moving process of block nail plate 91 direction, forming part 54 on it contacts the staple 100 on block nail plate 91 at first, arc-shaped notch 541 in forming part 54 holds staple 100 and keeps staple 100 not slide, firing handle 20 continues force, staple 100 is under the combined flexure molding effect of block nail plate 91 and forming part 54, staple 100 is pressed into skin, and staple 100 is bent to form three-back-shaped, now, staple 100 is by skin closure, here, gap between forming part 54 and block nail plate 91 is substantially equal to the thickness of staple 100, the precise forming of staple 100 can be ensured, here, it should be noted that, extrude in staple 100 forming process in forming part 54, staple 100 extrudes described support portion 81 and makes described support portion 81 produce elastic deformation, and support portion 81 offsets towards the direction away from block nail plate 91,

After treating staple 100 molding, unclamp firing handle 20, anvil block plate 30 naturally resets under the effect of helical compression spring 130, thus drive staple chopping block 50 to reset, now support portion 81 resets towards block nail plate 91, support portion 81 contacts staple 100 gradually and applies active force to staple 100, this active force can assistant formation staple 100 towards Skin sewing needle external movement (namely away from residue staple 100 direction), thus make staple 100 can depart from block nail plate 91 smoothly, to prevent bail phenomenon from occurring, then Skin sewing needle can be exited; Here, as shown in figure 15, the Liang Geding foot 102 that staple 100 comprises variant part 101 and extended by variant part 101, when after the molding of described staple 100, the support portion 81 of described guide piece 80 forces in the intersection of described variant part 101 and described Liang Geding foot 102.

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

In the present embodiment, as shown in figure 15, the staple 100 of original state is in door font, and nail foot 102 is tip 1021 away from one end of variant part 101, and tip 1021 is for the skin to be stapled that punctures in forming process.When original state, the length d1=12mm of variant part 101, the length d2=3.5mm of nail foot 102, the thickness of staple 100 is 0.58mm, now, the width of the arch protuberance 92 on staple guide-rail plate 90 can be arranged to be slightly less than 12mm, so, staple 100 can be slided in arch protuberance 92 place and be unlikely to easily to depart from arch protuberance 92.Here, it should be noted that, each sizing specification of staple 100 is only signal effect, can have certain range of error.

As shown in figure 16, for the forming part 54 of staple chopping block 50 coordinates with the block nail plate 91 of staple guide-rail plate 90 procedure chart making staple 100 molding, when described forming part 54 is moved towards described block nail plate 91, staple 100 described in described forming part 54 and described block nail plate 91 combined effect is bending and the depth capacity that described staple 100 is formed in skin to be stapled is first degree of depth (sign), not through subcutaneous layer of fat while described first degree of depth penetrates the skin corium of skin to be stapled, here, first degree of depth refers to the vertical depth of staple 100 in skin to be stapled.Concrete, when forming part 54 pairs of staple 100 variant parts 101 exert a force, staple 100 can bending in approximate right angle with forming part 54 contact portion, thus nail foot 102 outside-in of both sides mutually equably near and squeeze in skin, the two side portions of wound is also close to each other and be close to, and staple 100 finally becomes three-back-shaped.Here, the centrage between the center of the variant part 101 of staple 100, two forming parts 54 and the centrage of block nail plate 91 are positioned at same straight line.

In the present embodiment, the first space D 1 between two forming parts 54 is roughly arranged to D1=6.9mm, block nail plate 91 is slightly less than 6.9mm along the width D 2 of staple 100 variant part 101 length direction, ensures that the gap in forming process between block nail plate 91 and forming part 54 is unlikely to excessive.Concrete, when described staple 100 molding, have gap (sign) between described block nail plate 91 and described forming part 54, described gap equals the thickness of staple 100 along described first space D 1 direction, so, staple 100 can be impelled at right angles to bend at described gap location.

After staple 100 completes molding, as shown in figure 17, staple 100 ' is in three-back-shaped, and the distortion of the variant part 101 of original state becomes the first variant part 1011 ' and the second variant part 1012 ', now, the length d11 ' of the first variant part 1011 ' is roughly 6.9mm, and the length d12 ' of the second variant part 1012 ' is roughly 3.9mm, length the d2 '=3.5mm of nail foot 102 '.Here, the length d11 ' of the first variant part 1011 ' is determined by the first space D 1 between two forming parts 54, and namely the first space D 1 equals the length d11 ' of the first variant part 1011 '; The length of the second variant part 1012 ' determines to sew up the degree of depth; The length d2 ' of nail foot 102 ' remains unchanged.As shown in figure 18, the benefit of design is like this, the staple 100 ' size after above-mentioned molding can guarantee that subcutaneous layer of fat 202 through the skin corium 201 in skin, and can not pass, to reach best sewing effect in the nail foot 102 ' of staple 100 '.Here, it should be noted that, each sizing specification of staple 100 is only signal effect, can have certain range of error, and in addition, the size before and after staple 100 molding is not limited with above-mentioned concrete numerical value, and choosing of numerical value can have certain range of error.

Present embodiment is by limiting the first space D 1 between forming part 54, staple 100 compact dimensions is controlled, thus make the staple 100 ' of final molding can guarantee to be sewn on skin corium 201, and subcutaneous layer of fat 202 can not be passed, namely staple 100 has suitable penetration depth, obtains better healing effect.

In another embodiment of this utility model, as shown in figure 18, the inner surface place of the variant part 101a of staple 100a offers two recess 1011a mutually separated, the shape of recess 1011a can be V channel-shaped or U channel-shaped, or incision-like, in a word, only need ensure easily to make staple 100a in the bending of this recess 1011a place, and staple 100a can not be made because of once bending to damage or rupture.

When forming part 54a exerts a force to staple 100a variant part 101a, the recess 1011a bend portions that staple 100a can concentrate at stress is approximate right angle, thus the nail foot 102a outside-in of both sides mutually equably near and squeeze in skin, the two side portions of wound is also close to each other and be close to, and staple 100a finally becomes three-back-shaped.Like this, only the distance D3 ' between two recess 1011a roughly need be arranged to D3 '=6.9mm, present embodiment finally just can form the size of the staple 100 ' of an as above embodiment, and convenient formation is quick.In the present embodiment, in order to make staple 100a bending in approximate right angle, the first space D 1 ' between two forming part 54a is still roughly arranged to D1 '=6.9mm, the width D 2 ' of block nail plate 91a is still roughly arranged to be slightly less than 6.9mm, and the forming part 54a of present embodiment only needs to apply less power and staple 100a just can be made to be out of shape.

Be to be understood that, although this description is described according to embodiment, but not each embodiment only comprises an independently technical scheme, this narrating mode of description is only for clarity sake, those skilled in the art should by description integrally, technical scheme in each embodiment also through appropriately combined, can form other embodiments that it will be appreciated by those skilled in the art that.

A series of detailed description listed is above only illustrating for feasibility embodiment of the present utility model; they are also not used to limit protection domain of the present utility model, all do not depart from this utility model skill equivalent implementations of doing of spirit or change all should be included within protection domain of the present utility model.

Claims (10)

1. a Skin sewing needle, firing handle, staple chopping block, staple guide-rail plate and the staple of comprise device body, rotating relative to described device body, described firing handle drives described staple chopping block to move towards described staple guide-rail plate, described staple guide-rail plate is for supporting described staple, described staple chopping block and described staple guide-rail plate cooperatively interact and realize the molding of described staple, it is characterized in that:

Described staple chopping block is provided with two and mutually separates and forming part for driving described staple to be out of shape near one end of described staple, described staple guide-rail plate one end have be positioned at described forming part extension line on and block nail plate for supporting described staple, when described forming part is towards described block nail plate motion, staple described in described forming part and described block nail plate combined effect bends and the depth capacity that described staple is formed in skin to be stapled is first degree of depth, not through subcutaneous layer of fat while described first degree of depth penetrates the skin corium of skin to be stapled.

2. Skin sewing needle according to claim 1, it is characterized in that, described staple comprises variant part and protrudes out the Liang Geding foot of described variant part, and the centre symmetry line of two described forming parts overlaps with the centrage of described variant part, and described forming part forces in described variant part.

3. Skin sewing needle according to claim 2, is characterized in that, when after described staple molding, described variant part is shaped to the first variant part and protrudes out two the second variant parts of described first variant part, and described nail foot is connected to described second variant part.

4. Skin sewing needle according to claim 3, is characterized in that, described second variant part is perpendicular to described first variant part.

5. Skin sewing needle according to claim 3, is characterized in that, the inner surface of described variant part is provided with two recesses, and described recess is positioned at the intersection of described first variant part and described second variant part.

6. Skin sewing needle according to claim 3, is characterized in that, the length of described second variant part is 3.9mm.

7. Skin sewing needle according to claim 1, is characterized in that, when described staple molding, has gap between described block nail plate and described forming part, and described gap equals the thickness of staple along described first spacing direction.

8. a Skin sewing needle, comprise device body, relative to the firing handle that described device body rotates, staple chopping block and staple, described firing handle drives described staple chopping block to move towards described staple, described staple chopping block assists described staple to be out of shape, it is characterized in that: when described staple is in original state, described staple comprises variant part and protrudes out two nail foot portions of described variant part, when after described staple molding, described variant part is shaped to the first variant part and protrudes out two the second variant parts of described first variant part, described nail foot connects described second variant part, wherein, not through subcutaneous layer of fat while described second variant part penetrates the skin corium of skin to be stapled.

9. Skin sewing needle according to claim 8, is characterized in that, the length of described second variant part is 3.9mm.

10. Skin sewing needle according to claim 8, is characterized in that, described second variant part is perpendicular to described first variant part.