CN206303930U - For the nail bin and surgical instruments of surgical instruments - Google Patents

Abstract

The utility model is related to nail bin and surgical instruments for surgical instruments, the nail bin for being used for surgical instruments has staple cartridge body and the suturing nail being arranged in staple cartridge body, some staple cavities are provided with staple cartridge body, staple cartridge body includes top end face, top end face is provided with the nail mouth formed through top end face by staple cavity, and some teats are provided with top end face, and teat is apart from nail mouth certain distance, the certain distance is more than 0mm, and teat is extended laterally along nail bin；The nail bin for being used for surgical instruments is provided with along some teats for extending laterally of nail bin on top end face, with in suture, ensure to be sewn the longitudinal force between tissue and nail bin, prevent from being sewn length travel occurs when being organized in suture, and because the teat is apart from nail mouth certain distance, and the certain distance is more than 0mm, therefore burr will not be produced in the nail mouth of the staple cartridge body, relative to existing technologies, in suture, it is smaller that suturing nail in nail bin goes out to follow closely resistance, is easy to nail.

Description

For the nail bin and surgical instruments of surgical instruments

Technical field

The utility model is related to nail bin and surgical instruments for surgical instruments.

Background technology

Surgical instruments is the operation tool in medical operating, and suture instruments is one kind of surgical instruments, and it is medically to make , substitute manual suture equipment, main operational principle be using titanium nail to tissue carry out detachment or coincide, similar to stapler Machine.It is different according to the scope of application, can be divided mainly into skin stapler, alimentary canal (esophagus, stomach and intestine etc.) circular staplers, rectum kiss Clutch, circular hemorrhoid anastomat, anastomat for circumcision, blood vessel anastomat, hernia stapler, lung stapler etc..Stitching unstrument Tool include a pair of matched close elongated nip component, jaw member may be adapted to it is inserted into the patient to suture and/or cut tissue, Jaw member is sustainable to accommodate nail bin.At present, existing nail bin generally comprises staple cartridge body and the seam being arranged in staple cartridge body Dowel, is provided with some staple cavities for receiving suturing nail in staple cartridge body, staple cartridge body includes top end face, set on top end face There is the nail mouth formed through top end face by the staple cavity.During suture, top end face is contacted with tissue is sewn, in suture instruments Blade promote nail bin in nail-pushing part move up so that the suturing nail in nail bin is removed and then sutured from staple cavity and (stitches Dowel goes out nail).But, in suture, the following problem of generally existing is sewn tissue to existing suture instruments when jaw is clamped When, because exercises on apparatus author rocks or produced external force when blade is promoted, often make what jaw clamped to be sewn tissue generation Displacement, so as to influence sewing effect.For the problem, Chinese patent application the 201180047031.7th discloses a kind of nail bin, It is provided with spine on the top end face of the nail bin, spine is centered around nail mouth on top end face proximally and distally, though this kind of design So can solve the problem that and be sewn the phenomenon that tissue is subjected to displacement, but, the near-end of the nail mouth being centered around due to spine on top end face And distal end, and this kind of structure, nail bin is during preparation, it is impossible to which what is avoided causes the nail mouth with spine's joining place generation hair Thorn, so as to influence nail effect, that is, when going out to follow closely, nail mouth goes out to follow closely resistance big with spine joining place.

Utility model content

The purpose of this utility model is to provide one kind to prevent nail bin displacement in sewing process, and reduces the use for nail resistance In the nail bin of surgical instruments.

In order to achieve the above object, the technical scheme that the utility model is used is as follows：A kind of nail for surgical instruments Storehouse, with staple cartridge body and the suturing nail being arranged in the staple cartridge body, is provided with some staple cavities in the staple cartridge body, The staple cartridge body includes top end face, and the top end face is provided with and goes out nail through what the top end face was formed by the staple cavity Mouthful, some teats are provided with the top end face, the teat is more than apart from the nail mouth certain distance, the certain distance 0mm, the teat is extended laterally along nail bin.

Further, the teat includes first side and second side, the first side and the second side edge Staple cartridge body is extended laterally；The top of the first side is intersected with the top of the second side, or, first side Include at least one face between the top of the top in face and the second side.

Further, form the first angle between the first side and the top end face, the second side with it is described The second angle is formed between top end face；First angle and second angle are obtuse angle；Or, first angle, Second angle is 90 °；Or, one is obtuse angle in first angle, second angle, and another is 90 °.

Further, the staple cartridge body has insertion end；Relative to second side, the first side is closer to nail bin The insertion end of body；First angle is obtuse angle.

Further, absolute value of the absolute value of first angle more than second angle.

Further, the first side and/or the second side are plane, the wavy surface intersected with the top end face Or the combinatorial surface being made up of multiple planes of different shapes and/or curved surface.

Further, a curved chamfering is included between the top of the top of the first side and the second side Face.

Further, the vertical range between the top of the teat and top end face is 0.3~0.5mm.

Further, one nail mouth of each teat correspondence, the longitudinal center axis of the nail mouth is right through its The teat answered.

Further, the longitudinal center axis weight of the corresponding teat of the longitudinal center axis of the nail mouth Close.

Further, the distance of the end of the corresponding nail mouth of each teat is more than 0 and is less than or equal to 0.1mm。

The utility model additionally provides a kind of surgical instruments, including the above-mentioned nail bin for surgical instruments.

Further, the surgical instruments is suture instruments.

By such scheme, the utility model at least has advantages below：Due to of the present utility model for surgical instruments Nail bin be provided with top end face along some teats for extending laterally of nail bin, with suture when, it is ensured that be sewn tissue and Longitudinal force between nail bin, prevents from being sewn length travel occurs when being organized in suture, and because the teat is apart from nail mouth one Set a distance, and the certain distance is more than 0mm, therefore burr will not be produced in the nail mouth of the staple cartridge body, so that, relatively existing skill For art, in suture, it is smaller that the suturing nail in nail bin goes out to follow closely resistance, is easy to nail.

Described above is only the general introduction of technical solutions of the utility model, in order to better understand skill of the present utility model Art means, and being practiced according to the content of specification, with preferred embodiment of the present utility model and coordinate accompanying drawing detailed below Describe in detail bright as after.

Brief description of the drawings

Fig. 1 is the structural representation of the nail bin for surgical instruments with lid shown in the embodiment of the utility model one Figure；

Fig. 2 is the exploded view of the nail bin for surgical instruments shown in Fig. 1；

Fig. 3 is the structural representation of staple cartridge body；

Fig. 4 is the enlarged drawing of circle A in Fig. 3；

Fig. 5 is the structural representation of teat；

Fig. 6 is staple cartridge body in the schematic diagram on another visual angle；

Fig. 7 is the structural representation of lid；

Fig. 8 is the structural representation of pusher；

Fig. 9 is the structural representation of the first nail-pushing part；

Figure 10 is second structural representation of nail-pushing part；

Figure 11 is the schematic diagram of the part-structure of the nail bin for surgical instruments.

Specific embodiment

Embodiment of the present utility model is described below in detail, the example of the embodiment is shown in the drawings, wherein ad initio Same or similar element or element with same or like function are represented to same or similar label eventually.

In description of the present utility model, it is to be understood that term " " center ", " longitudinal direction ", " transverse direction ", " length ", " width Degree ", " thickness ", " on ", D score, "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom ", " interior ", " outward ", The orientation or position relationship of the instruction such as " axial direction ", " radial direction ", " circumference ", " reciprocal " are to be closed based on orientation shown in the drawings or position System, is for only for ease of description the utility model and simplifies description, necessary rather than the device or element for indicating or imply meaning With specific orientation, with specific azimuth configuration and operation, therefore it is not intended that to limitation of the present utility model.

Additionally, term " first ", " second " are only used for describing purpose, and it is not intended that indicating or implying relative importance Or the implicit quantity for indicating indicated technical characteristic.Thus, define " first ", the feature of " second " can express or Implicitly include at least one this feature.In description of the present utility model, " multiple " is meant that at least two, such as two It is individual, three etc., unless otherwise expressly limited specifically.

Embodiment below with reference to Description of Drawings is exemplary, it is intended to for explaining the utility model, and can not It is interpreted as to limitation of the present utility model.

A kind of surgical instruments described in the preferred embodiment of the utility model one includes handle portion, the bar being arranged in handle portion Body component, the end effector being arranged on the shaft member and the nail for surgical instruments on end effector Storehouse (hereinafter referred to as nail bin).The surgical instruments is suture instruments.Signified longitudinally is arrow a institutes in Fig. 1 in the present embodiment The opposite direction of finger direction and arrow a directions, the opposite direction of arrow a directions enters people for nail bin with end effector Moving direction during body, is also the length direction of nail bin；Signified horizontal direction is arrow b directions and arrow b in Fig. 1 The opposite direction of direction, is the width of nail bin；The transverse direction of staple cartridge body 1 is mutually hung down with the longitudinally of staple cartridge body 1 Directly.On the basis of the placing direction of nail bin in Fig. 1, wherein above-below direction is nail to the up, down, left, right, before and after being previously mentioned in text The thickness direction in storehouse, fore-and-aft direction is the width of nail bin；Left and right directions is the longitudinally of nail bin.Longitudinal axis is along lengthwise side To extension.

Referring to Fig. 1 to Fig. 7, the nail bin 10 has staple cartridge body 1, the suturing nail 2 being arranged in the staple cartridge body 1, pushes away Dynamic suturing nail 2 goes out the nail-pushing part 3 of nail, drives the pusher 4 of the motion of nail-pushing part 3 and be fixed on the support of the bottom of staple cartridge body 1 Frame 5.When nail bin 10 is not used, lid 20 is covered with the nail bin 10, such that it is able to prevent dust etc. from entering nail bin 10 Interior, the lid 20 includes cover plate 201 and the pothook 202 and positioning ridge 203 that are downwardly extending from the cover plate 201, described Pothook 202 is downwardly extending in the side of cover plate 201, when the end effector that nail bin 10 is installed on surgical instruments (not Diagram) on when, need first remove lid 20, then install.The staple cartridge body 1 has insertion end 11 and end 12, the insertion end 11 is to enter into the one end being sewn in tissue with end effector first relative to end 12, when nail bin 10 is installed in end After actuator, insertion end 11 is located at the head end of end effector, and the end 12 of the staple cartridge body 1 is located at end effector near outer One end of the shaft member of section's apparatus.The staple cavity 13 of some storage suturing nails 2, the nail are provided with the staple cartridge body 1 Storehouse body 1 includes top end face 14 and the bottom face 15 being disposed opposite to each other with the top end face 14, and the top end face 14 is provided with by institute The nail mouth 131 that staple cavity 13 is formed through the top end face 14 is stated, the staple cavity 13 also extends through the bottom of staple cartridge body 1 simultaneously End face 15, is further opened with the sliding conduit 151 extended on the longitudinally along staple cartridge body 1 on the bottom face 15.

Fig. 2 and Figure 11 is referred to, the suturing nail 2 has fix bar 21 and upwardly extends shape from the two ends of the fix bar 21 Into extension rod 22, the fix bar 21 is arranged on nail-pushing part 3.(nail is not gone out) in 2 original state of suturing nail, the seam The top of the extension rod 22 of dowel 2 is less than the top end face 14 of staple cartridge body 1, or, the top of the extension rod 22 of the suturing nail 2 Flushed with the top end face 14 of staple cartridge body 1, be beneficial into nail.If the top of suturing nail is higher than the top end face 14 of staple cartridge body 1, Can cannot suture, be unfavorable for into nail, its reason is, when end effector insertion is sewn tissue, when the top of suturing nail is high When top end face 14, suturing nail can be contacted with tissue is sewn, and produce friction, and suturing nail misplaces with tissue is sewn, no Beneficial into nail.

Fig. 2 to Fig. 6 is referred to, some teats 16 are provided with the top end face 14, the teat 16 is apart from nail mouth 131 Certain distance, first distance is more than zero, and the teat 16 is extended laterally along nail bin 10.If due to being set on top end face 14 Dry teat 16, to increase nail bin 10 and be sewn frictional force between tissue, then the teat 16 is arranged to the transverse direction along nail bin 10 Extend, to ensure longitudinal force, prevent from being sewn when be organized in suture, vertically move, to improve sewing effect；And by Teat 16 in the present embodiment apart from the certain distance of nail mouth 131, the certain distance again be more than zero so that teat 16 not with go out Nail mouth 131 overlaps, so, the junction of teat 16 and staple cartridge body 1 is not in nail mouth 131, therefore the nail mouth of staple cartridge body 1 Burr will not be produced on 131, is solved in the prior art, when suturing nail 2 goes out and follows closely, due to being produced in the nail mouth of staple cartridge body 1 Setation is pierced, and suturing nail 2 is gone out to follow closely the larger problem of resistance, consequently facilitating going out nail, and then can realize hitting by less power Nail is sent, the operational comfort of the surgical instruments is improved.The nail mouth 131 has the longitudinally in the staple cartridge body 1 On the end 133 of first end 132 and second that is oppositely arranged, the opposite second end 133 of first end 132 sets near insertion end 11.Institute Stating teat 16 includes the first side 161 and second side 162 that are disposed opposite to each other, the first side 161 and the edge of second side 162 Extending laterally for staple cartridge body 1, includes at least one between the top of the first side 161 and the top of second side 162 Face, in other embodiments, the top of the first side 161 can intersect with the top of second side 162.The first side The first angle α is formed between 161 and top end face 14, the second angle β, institute are formed between the second side 162 and top end face 14 State the first angle α and the second angle β is disposed opposite to each other, in the present embodiment, first angle α and the second angle β are obtuse angle. Relative to second side 162, insertion end 11 of the first side 161 closer to staple cartridge body 1.The first angle β is blunt Angle, is sewn in tissue with further preventing teat 16 to be embedded in.The absolute value of first angle α is more than the second angle β's Absolute value, then now longitudinal breakaway force is larger, helps to increase skidproof effect, and really, the first angle α absolute value can be less than The absolute value of the second angle β, but compared to " absolute value of the absolute value of first angle α more than the second angle β ", when the first folder When the absolute value of angle α is less than the absolute value of the second angle β, then longitudinal breakaway force is relatively small, and skidproof effect is relatively poor.In order to Be easy to technological forming, and further improve longitudinal force, the first side 161 and second side 162 with the top end face 14 Intersecting, the first side 161 and second side 162 are relative to the inclined plane of top end face 14, in other embodiment In, the first side 161 and second side 162 can be wavy surface, or by multiple planes of different shapes and/or curved surface structure Into combinatorial surface.In order to prevent the teat 16 from puncturing or insertion is sewn tissue or punctures the tissue in other regions, described the Curved fillet surface 163 is formed between one side 161 and second side 162, i.e. the top of first side 161 and the second side Include curved fillet surface 163 between the top in face 162.Vertical range between the top of the teat 16 and top end face 14 is most Good value is 0.3~0.5mm, i.e. teat 16 is 0.3~0.5mm relative to the height of top end face 14, if being higher than 0.5mm, can be increased Plus reaction force, easily it is embedded in tissue, it is difficult to depart from, if being less than 0.3mm, skidproof effect will be deteriorated.In addition to the present embodiment, In other embodiments, first angle, the second angle can be 90 °；Or one in first angle, the second angle Individual is obtuse angle, and another can be 90 °.If but setting in 90 °, the first side by the first angle, the second angle at least one By vertical top end face 14, then the scheme for being used with respect to the present embodiment, the teat 16 occurs relatively for face 161 and/second side 162 The possibility that insertion is sewn tissue is bigger.

Incorporated by reference to Fig. 4 and Figure 11, above-mentioned teat 16 can with concentrated setting in the rear of the top end face 14 of staple cartridge body 1 or First section or stage casing, or scattered be distributed in staple cartridge body 1.In the present embodiment, one institute of each teat 16 correspondence State nail mouth 131.Because suturing nail 2 is arranged in staple cavity 13, its structure is specifically, 22 points of two extension rods of suturing nail 2 It is not resisted against on the two side of staple cavity 13, wherein longitudinal axis (the nail mouth 131 of the corresponding nail mouth 131 in the two side Longitudinal axis it is in the same direction with the longitudinally of staple cartridge body 1) it is vertical, and when suturing nail 2 goes out and follows closely, by two extensions of suturing nail 2 Bar 22 is deformed upon to suture clamped tissue, so, to improve sewing effect, therefore, to assure that go out the place of extension rod 22 when following closely The clamped tissue of position is not subjected to displacement, therefore according to test of many times, in order to improve sewing effect, by the nail mouth on every row 131 longitudinal center axis passes through the teat 16 on the row；In order to reach optimum efficiency, the longitudinal center axis of the teat 16 The longitudinal center axis of corresponding nail mouth 131 overlaps.The correspondence nail mouth 131 of the teat 16 forms some rows, often arranges On teat 16 be set in qually spaced in the nail mouth 131 first end 132 side, in order to prevent the position of extension rod 22 Clamped tissue be subjected to displacement, need to prevent teat 16 from being overlapped with nail mouth 131, it is necessary to make again：The quilt of the position of teat 16 The scope of the clamped tissue of scope encirclement extension rod 22 position of tissue is clamped, but, teat 16 can not separate out nail again Mouthfuls 131 too remote, otherwise, it is impossible to the clamped tissue of the position of securing elongated bar 22, confirms by repetition test, teat 16 with The optimum distance of first end 132 is more than 0 and less than or equal to 0.1mm.Really, the teat 16 often on row can also spaced set In the side at the second end 133 of the nail mouth 131, or, each nail mouth 131 is correspondingly arranged on two teats 16, and this goes out Two teats 16 corresponding to nail mouth 131 are separately positioned on the both sides at the end 133 of first end 132 and second.

Fig. 2 to Figure 11 is referred to, the knife extended along the longitudinal axis of the staple cartridge body 1 is offered in the staple cartridge body 1 Slit 17, the cutter slit runs through top end face 14 and bottom face 15 about 17, be divided into for the staple cartridge body 1 by the cutter slit 17 Two sidepieces 18, each described sidepiece 18 includes two sides for longitudinally extending, and two sides are respectively the He of lateral surface 181 Medial surface 182, is provided with buckle slot 183, fixing slot 184 and holding block 185 on the lateral surface 181.Set on each sidepiece 18 Nail mouth 131 of three rows parallel to longitudinal axis is equipped with, the nail mouth 131 of adjacent two row is shifted to install.The positioning of the lid 20 Ridge 203 is inserted into the cutter slit 17, and the pothook 202 is clasped so that lid 20 and nail bin with buckle slot 183 Body 1 is fixed.Offered on the bracket 5 with the holding block 185 coordinate groove 51 and with the fixing slot 184 coordinate Hook portion 52.The bracket 5 is used to stationary pusher 4 to prevent pusher 4 from departing from staple cartridge body 1.As shown in fig. 6, the promotion Device 4 includes base plate 41, the cam part 42 to be formed is upwardly extended from the base plate 41 and type is upwardly extended from the base plate 41 formed Limited block 43.The base plate 41 is clamped between bracket 5 and the bottom face 15 of staple cartridge body 1, and the cam part 42 is located at In the sliding conduit 151 of staple cartridge body 1, can Relative sliding conduit 151 move, the limited block 43 is limited in cutter slit 17, To prevent when pusher 4 is moved relative to staple cartridge body 1, pusher 4 deviates moving direction or rocks.Described each staple cavity Nail-pushing part 3 has been installed with 13, the nail-pushing part 3 include supporting part 31 and with the integrally formed guide part 32 of the supporting part 31. The projection on the side of the two of the supporting part 31 is formed with extension block 33, and extension block 33, supporting part 31 enclose and set to form restriction suturing nail 2 The restriction groove 34 of setting.The fix bar 21 of the suturing nail 2 is in the stopper slot 34.The fix bar 21 of the suturing nail 2 sets In in the restriction groove 34 of supporting part 31.The guide part 32 is adapted to the cam part 42 of the pusher 4, the guide part 32 In in the sliding conduit 151, when the pusher 4 drives nail-pushing part 3 to move, the cam part 42 and guide part of pusher 4 32 contacts, promote guide part 32 to move, and because nail-pushing part 3 is arranged in staple cavity 13, the staple cavity 13 limits the nail-pushing part 3 Relative staple cartridge body 1 is only capable of to move up and down, therefore when cam part 42 applies active force to guide part 32, guide part 32 is only capable of relatively Staple cartridge body 1 is moved up, and now, supporting part 31 is moved up with guide part 32 with respect to staple cartridge body 1, so as to promote suturing nail 2 relative staple cartridge bodies 1 are moved up, and realize out nail.In the present embodiment, nail-pushing part 3 includes that two kinds of different structures are (specific detailed See Figure 10 and Figure 11), its concrete structure is not described here in detail.The nail-pushing part 3 is supported by bracket 5, in case thrust nail piece 3 departs from nail Storehouse body 1.

In sum, the transverse direction along nail bin 10 is provided with top end face 14 due to the above-mentioned nail bin 10 for surgical instruments The some teats 16 for extending, with suture, it is ensured that be sewn the longitudinal force between tissue and nail bin 10, prevent from being sewn tissue There is length travel in suture, and because the teat 16 is apart from the certain distance of nail mouth 131, and the certain distance is more than 0, therefore Burr will not be produced in the nail mouth 131 of the staple cartridge body 1, relative to existing technologies, in suture, the suture in nail bin 10 It is smaller that nail 2 goes out to follow closely resistance, is easy to nail.

In the utility model, unless otherwise clearly defined and limited, term " installation ", " connected ", " connection ", " Gu It is fixed " etc. term should be interpreted broadly, for example, it may be fixedly connected, or be detachably connected, or integrally；Can be Mechanically connect, or electrically connect；Can be joined directly together, it is also possible to be indirectly connected to by intermediary, can be two The connection of element internal or two interaction relationships of element, unless otherwise clearly restriction.For the common skill of this area For art personnel, concrete meaning of the above-mentioned term in the utility model can be as the case may be understood.

In the utility model, unless otherwise clearly defined and limited, fisrt feature second feature " on " or D score Can be the first and second feature directly contacts, or the first and second features are by intermediary mediate contact.And, first is special Levy second feature " on ", " top " and " above " but fisrt feature directly over second feature or oblique upper, or only Represent that fisrt feature level height is higher than second feature.Fisrt feature second feature " under ", " lower section " and " below " can be with Be fisrt feature immediately below second feature or obliquely downward, or be merely representative of fisrt feature level height less than second feature.

In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show The description of example " or " some examples " etc. means to combine specific features, structure, material or spy that the embodiment or example are described Point is contained at least one embodiment of the present utility model or example.In this manual, to the schematic table of above-mentioned term State and be necessarily directed to identical embodiment or example.And, the specific features of description, structure, material or feature can be with Combined in an appropriate manner in any one or more embodiments or example.Additionally, in the case of not conflicting, this area Technical staff the feature of the different embodiments or example described in this specification and different embodiment or example can be entered Row is combined and combined.

Although embodiment of the present utility model has been shown and described above, it is to be understood that above-described embodiment is Exemplary, it is impossible to it is interpreted as to limitation of the present utility model, one of ordinary skill in the art is in scope of the present utility model It is interior above-described embodiment to be changed, changed, replaced and modification.

Claims (13)

1. a kind of nail bin for surgical instruments, described with staple cartridge body and the suturing nail being arranged in the staple cartridge body Some staple cavities are provided with staple cartridge body, the staple cartridge body includes top end face, and the top end face is provided with by the staple The nail mouth that chamber is formed through the top end face, it is characterised in that：Be provided with some teats on the top end face, the teat away from With a certain distance from the nail mouth, the certain distance is more than 0mm, and the teat is extended laterally along nail bin.

2. the nail bin for surgical instruments according to claim 1, it is characterised in that：The teat include first side and Second side, the first side and the second side extending laterally along staple cartridge body；The top of the first side with The top of the second side is intersected, or, include extremely between the top of the top of the first side and the second side A few face.

3. the nail bin for surgical instruments according to claim 2, it is characterised in that：The first side and the top The first angle is formed between face, the second angle is formed between the second side and the top end face；First angle and institute State the second angle and be obtuse angle；Or, first angle, second angle are 90 °；Or, first angle, institute It is obtuse angle to state in the second angle one, and another is 90 °.

4. the nail bin for surgical instruments according to claim 3, it is characterised in that：The staple cartridge body has insertion End；Relative to second side, insertion end of the first side closer to staple cartridge body；First angle is obtuse angle.

5. the nail bin for surgical instruments according to any one of claim 3 or 4, it is characterised in that：First angle Absolute value more than second angle absolute value.

6. the nail bin for surgical instruments according to any one of claim 2 to 4, it is characterised in that：The first side And/or the second side be intersect with the top end face plane, wavy surface or by multiple planes of different shapes and/or The combinatorial surface that curved surface is constituted.

7. the nail bin for surgical instruments according to any one of claim 2 to 4, it is characterised in that：The first side Top and the top of the second side between include a curved fillet surface.

8. the nail bin for surgical instruments according to claim 1 and 2, it is characterised in that：The top of the teat and top Vertical range between end face is 0.3~0.5mm.

9. the nail bin for surgical instruments according to claim 1, it is characterised in that：Go out described in each teat correspondence one Nail mouth, the longitudinal center axis of the nail mouth passes through its corresponding teat.

10. the nail bin for surgical instruments according to claim 1, it is characterised in that：The longitudinal center of the nail mouth The longitudinal center axis of the corresponding teat of axis overlaps.

11. nail bins for surgical instruments according to claim 1, it is characterised in that：Each described teat is corresponding The distance of end of nail mouth be more than 0 and less than or equal to 0.1mm.

A kind of 12. surgical instruments, it is characterised in that：Including as described in any one of claim 1~11 for surgical instruments Nail bin.

13. surgical instruments according to claim 12, it is characterised in that：The surgical instruments is suture instruments.