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CN105919642A - Nail cabin for surgical instrument and surgical instrument - Google Patents

Nail cabin for surgical instrument and surgical instrument Download PDF

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Publication number
CN105919642A
CN105919642A CN201610515252.7A CN201610515252A CN105919642A CN 105919642 A CN105919642 A CN 105919642A CN 201610515252 A CN201610515252 A CN 201610515252A CN 105919642 A CN105919642 A CN 105919642A
Authority
CN
China
Prior art keywords
nail
face
top end
surgical instruments
angle
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201610515252.7A
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Chinese (zh)
Inventor
孙宝峰
黄晨
任义唐
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Jiangsu Fengh Medical Equipment Co Ltd
Original Assignee
Jiangsu Fengh Medical Equipment Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Jiangsu Fengh Medical Equipment Co Ltd filed Critical Jiangsu Fengh Medical Equipment Co Ltd
Priority to CN201610515252.7A priority Critical patent/CN105919642A/en
Publication of CN105919642A publication Critical patent/CN105919642A/en
Pending legal-status Critical Current

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Classifications

    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00Surgical instruments, devices or methods
    • A61B17/068Surgical staplers, e.g. containing multiple staples or clamps
    • A61B17/072Surgical staplers, e.g. containing multiple staples or clamps for applying a row of staples in a single action, e.g. the staples being applied simultaneously
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00Surgical instruments, devices or methods
    • A61B17/068Surgical staplers, e.g. containing multiple staples or clamps
    • A61B17/072Surgical staplers, e.g. containing multiple staples or clamps for applying a row of staples in a single action, e.g. the staples being applied simultaneously
    • A61B17/07207Surgical staplers, e.g. containing multiple staples or clamps for applying a row of staples in a single action, e.g. the staples being applied simultaneously the staples being applied sequentially
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00Surgical instruments, devices or methods
    • A61B17/068Surgical staplers, e.g. containing multiple staples or clamps
    • A61B17/072Surgical staplers, e.g. containing multiple staples or clamps for applying a row of staples in a single action, e.g. the staples being applied simultaneously
    • A61B2017/07214Stapler heads
    • A61B2017/07271Stapler heads characterised by its cartridge

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  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Surgery (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Medical Informatics (AREA)
  • Molecular Biology (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Surgical Instruments (AREA)

Abstract

The invention relates to a nail cabin for a surgical instrument and the surgical instrument. The nail cabin for the surgical instrument is provided with a nail cabin body and suture nails arranged in the nail cabin body, wherein a plurality of suture nail cavities are formed in the nail cabin body; the nail cabin body is provided with a narrow tool slot along the longitudinal axis of the nail cabin body; the narrow tool slot partitions the nail cabin body into two side parts; each side part comprises a top end face; both sides of each top end face are provided with side edges extending along the longitudinal axis; the top end faces are provided with nail outlets formed by penetration of the suture nail cavity through the top end faces; the top end faces are provided with a plurality of bumps; at least a part of the bumps extend from one side edges of the top end faces to the other side edges of the top end faces along the top end faces; certain distances are kept between the bumps and the nail outlets; and the certain distances are larger than zero.

Description

Nail bin and surgical instruments for surgical instruments
Technical field
The present invention relates to a kind of nail bin for surgical instruments and surgical instruments.
Background technology
Surgical instruments is the operation tool in medical operating, and suture instruments is the one of surgical instruments, its be medically use, Substituting the equipment of manual suture, main operational principle is to utilize titanium nail tissue carries out detachment or coincide, and is similar to stapler. Different according to the scope of application, can be divided mainly into skin stapler, digestive tract (esophagus, gastrointestinal etc.) circular staplers, rectum Anastomat, circular hemorrhoid anastomat, anastomat for circumcision, blood vessel anastomat, hernia anastomat, lung stapler etc.. Suture instruments includes the elongated nip component that pair of matched is closed, and jaw member may be adapted to inserted into the patient to sew up and/or cutting Tissue, jaw member is sustainable accommodates nail bin.At present, existing nail bin generally comprises staple cartridge body and is arranged on staple cartridge body Interior suturing nail, is provided with some staple cavity for receiving suturing nail in staple cartridge body, staple cartridge body includes top end face, top End face is provided with and is run through, by described staple cavity, the nail mouth that top end face is formed.During stitching, top end face be sewn contact tissue, Blade in suture instruments promote the nail-pushing part in nail bin to move up so that the suturing nail in nail bin removes in staple cavity and then Sew up (i.e. suturing nail goes out nail).But, existing suture instruments is when sewing up, and generally there are the following problems, when jaw clamps When being sewn tissue, rock due to exercises on apparatus author or produced external force time blade promotes, often make what jaw clamped to be stitched Charge-coupled knitting is subjected to displacement, thus affects sewing effect.For this problem, Chinese patent application the 201180047031.7th disclosure A kind of nail bin, the top end face of this nail bin is provided with spine, nail mouth that spine is centered around on top end face proximally and distally, Although this kind of design can solve the problem that and be sewn the phenomenon that tissue is subjected to displacement, but, due to going out that spine is centered around on top end face Follow closely mouth proximally and distally, and this kind of structure, nail bin is during preparation, it is impossible to that avoids makes this nail mouth and spine Joining place produces burr, thus affects nail effect, when i.e. going out to follow closely, nail mouth and spine joining place go out to follow closely resistance big.
Summary of the invention
It is an object of the invention to provide one and prevent nail bin displacement in sewing process, and reduce nail resistance for surgery device The nail bin of tool.
In order to achieve the above object, the technical solution adopted in the present invention is as follows: a kind of nail bin for surgical instruments, has Staple cartridge body and the suturing nail being arranged in described staple cartridge body, be provided with some staple cavity, described nail in described staple cartridge body Offering the cutter slit of the vertical axis extension along described staple cartridge body on the body of storehouse, described staple cartridge body is split by described cutter slit Becoming two sidepieces, each described sidepiece all includes that top end face, the both sides of each described top end face have the side longitudinally extended Limit, described top end face is provided with and is run through, by described staple cavity, the nail mouth that described top end face is formed, described top end face is provided with Some teats, the described teat of at least a part of which partial amt is from another towards this top end face of edge, the side top end face of described top end face Side Edge Bend extends, and described teat is more than zero apart from described nail mouth certain distance, described certain distance.
Further, described teat includes at least one transverse part and connects at least one connecting portion in adjacent transverse portion, described Transverse part is along the horizontal expansion of staple cartridge body.
Further, described teat is substantially in " Ω " font.
Further, each described transverse part all includes the first side and the second side, described first side and described second side Face is along the horizontal expansion of staple cartridge body;The top of described first side is intersected with the top of described second side, or, described At least one face is included between top and the top of described second side of the first side.
Further, the first angle, described second side and described top are formed between described first side and described top end face Form the second angle, described first angle and described second angle between face and be obtuse angle;Or, described first angle, institute State the second angle and be 90 °;Or, in described first angle, described second angle, one is obtuse angle, and another is 90 °.
Further, described staple cartridge body has insertion end;Relative to the second side, described first side is closer to nail bin originally The insertion end of body;Described first angle is obtuse angle.
Further, the absolute value of described first angle is more than the absolute value of described second angle.
Further, described first side and/or described second side be intersect with described top end face plane, wavy surface or The combinatorial surface being made up of multiple difform planes and/or curved surface.
Further, a curved fillet surface is included between top and the top of described second side of described first side.
Further, the vertical dimension between top and the described top end face of described teat is 0.3~0.5mm.
Further, the vertical dimension between top and the described top end face of described teat is 0.3~0.5mm.
Further, the corresponding described nail mouth of the transverse part of each teat, longitudinal center's axis of described nail mouth passes The transverse part of the teat of its correspondence.
Further, longitudinal center's axis of the transverse part of the described teat that longitudinal center's axis of described nail mouth is corresponding Overlap.
Further, the distance of the end of the nail mouth that the transverse part of each described teat is corresponding be more than 0 and less than or Equal to 0.1mm.
Present invention also offers a kind of surgical instruments, including the above-mentioned nail bin for surgical instruments.
Further, described surgical instruments is suture instruments.
By such scheme, the present invention at least has the advantage that owing to the nail bin for surgical instruments of the present invention is on top The teat that the upper surface of edge, side top end face from top end face extends it is provided with towards the opposite side Edge Bend of this top end face on face, With when sewing up, the teat of this bending i.e. may insure that the longitudinal force being sewn between tissue and nail bin, prevents from being sewn tissue There is length travel when sewing up, be possible to prevent again teat to be embedded in and be sewn in tissue;Again due to this teat distance nail mouth Certain distance, and this certain distance is more than 0, therefore burr, hinge structure in the nail mouth of this staple cartridge body, will not be produced For, when sewing up, the suturing nail in nail bin goes out to follow closely resistance less, it is simple to go out nail.
Described above is only the general introduction of technical solution of the present invention, in order to better understand the technological means of the present invention, and can Be practiced according to the content of description, below with presently preferred embodiments of the present invention and coordinate accompanying drawing describe in detail as after.
Accompanying drawing explanation
Fig. 1 is the structural representation of the nail bin for surgical instruments with lid shown in one embodiment of the invention;
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 staple cartridge body schematic diagram on another visual angle;
Fig. 6 is the structural representation of lid;
Fig. 7 is the structural representation of pusher;
Fig. 8 is the structural representation of the first nail-pushing part;
Fig. 9 is the structural representation of the second nail-pushing part;
Figure 10 is the part-structure schematic diagram in the nail bin of surgical instruments.
Detailed description of the invention
Embodiments of the invention are described below in detail, and the example of described embodiment is shown in the drawings, the most identical Or similar label represents same or similar element or has the element of same or like function.
In describing the invention, it is to be understood that term " " center ", " longitudinally ", " laterally ", " length ", " width ", " thickness ", " on ", D score, "front", "rear", "left", "right", " vertically ", " level ", " top ", " end ", " interior ", " outward ", The orientation of the instruction such as " axially ", " radially ", " circumferential ", " back and forth " or position relationship are to close based on orientation shown in the drawings or position System, is for only for ease of the description present invention and simplifies description rather than instruction or imply that the device of indication or element must have Specific orientation, with specific azimuth configuration and operation, be therefore not considered as limiting the invention.
Additionally, term " first ", " second " are only used for describing purpose, and it is not intended that instruction or hint relative importance or The implicit quantity indicating indicated technical characteristic.Thus, define " first ", the feature of " second " can be expressed or hidden At least one this feature is included containing ground.In describing the invention, " multiple " are meant that at least two, such as two, three Individual etc., unless otherwise expressly limited specifically.
The embodiment described below with reference to accompanying drawing is exemplary, it is intended to be used for explaining the present invention, and it is not intended that right The restriction of the present invention
A kind of surgical instruments described in a preferred embodiment of the present invention include handle portion, the shaft member being arranged in handle portion, Be arranged on the end effector on described shaft member and be arranged on end effector the nail bin for surgical instruments (below It is called for short nail bin).This surgical instruments is suture instruments.Arrow a direction during the longitudinally of indication is Fig. 1 in the present embodiment And the opposite direction of arrow a direction, the opposite direction of arrow a direction is nail bin when entering human body with end effector Moving direction, be also the length direction of nail bin;The horizontal direction of indication is arrow b direction and arrow b in Fig. 1 The opposite direction of direction, for the width of nail bin;Staple cartridge body 1 laterally the most mutual with the longitudinally of staple cartridge body 1 Vertically.The up, down, left, right, before and after being previously mentioned in literary composition is in Fig. 1 on the basis of the placing direction of nail bin, the most up and down Direction is the thickness direction of nail bin, and fore-and-aft direction is the width of nail bin;Left and right directions is the longitudinally of nail bin.The longitudinal axis Line extends along longitudinally.
See Fig. 1 to Fig. 6, this nail bin 10 have staple cartridge body 1, the suturing nail 2 being arranged in described staple cartridge body 1, The described relative staple cartridge body 1 of suturing nail 2 is driven to move to realize out the nail-pushing part 3 of nail, drive described nail-pushing part 3 to move Pusher 4 and be fixed on the bracket 5 bottom staple cartridge body 1.Nail bin 10 does not uses when, this nail bin 10 covers Having lid 20, such that it is able to prevent dust etc. from entering in nail bin 10, this lid 20 includes cover plate 201 and from described cover plate 201 The pothook 202 being downwardly extending and location ridge 203, described pothook 202 downwardly extends shape in the side of cover plate 201 Become, when the end effector (not shown) that nail bin 10 is installed on surgical instruments is upper, need first to be removed by lid 20, then Install.Described staple cartridge body 1 has insertion end 11 and end 12.First this insertion end 11 is held with end for opposing end portions 12 Row device enters into and is sewn in-house one end, and it is positioned at the head end of end effector, and the end 12 of this staple cartridge body 1 is positioned at End effector is near one end of shaft.The staple cavity 13 of some storage suturing nails 2, institute it is provided with in described staple cartridge body 1 Stating the cutter slit 17 offering the vertical axis extension along staple cartridge body 1 in staple cartridge body 1, described cutter slit 17 is by described nail Storehouse body 1 is divided into two sidepieces 18, each described sidepiece 18 all to include top end face 14 and opposing with described top end face 14 The bottom face 15 arranged, in the present embodiment, the top end face 14 on two sidepieces 18 is positioned in same level.Each described The both sides of the top end face 14 of sidepiece 18 have the side (non-label) longitudinally extended.Described top end face 14 be provided with by Described staple cavity 13 runs through the nail mouth 131 that described top end face 14 is formed, and described staple cavity 13 also extends through staple cartridge body simultaneously The bottom face 15 of 1, described bottom face 15 is further opened with along the longitudinally of staple cartridge body 1 the sliding conduit 151 extended.
Referring to Fig. 2 and Figure 10, described suturing nail 2 has fixing bar 21 and upwardly extends shape from described fixing bar 21 two ends The extension rod 22 become, described fixing bar 21 is located on nail-pushing part 3.(nail is not gone out) when described suturing nail 2 original state, The top of the extension rod 22 of described suturing nail 2 is less than the top end face 14 of staple cartridge body 1, or, prolonging of described suturing nail 2 The top of boom 22 flushes with the top end face 14 of staple cartridge body 1, is beneficial to into nail.If the top of suturing nail 2 is higher than nail bin The top end face 14 of body 1, then can sew up, be unfavorable for into nail, and its reason is, inserts at end effector and is sewn group When knitting, when the top of suturing nail 2 is higher than top end face 14, suturing nail 2 can be sewn contact tissue, produce friction, sew up Nail 2 misplaces with being sewn tissue, is unfavorable for into nail.
Referring to Fig. 2 to Fig. 5, described top end face 14 is provided with some teats 16, the described of at least a part of which partial amt dashes forward Portion 16 extends towards the opposite side Edge Bend of this top end face 14 from this top end face 14 of the edge, side of described top end face 14 and is formed, Described extension includes along staple cartridge body 1 horizontal and longitudinally extending along staple cartridge body 1, also includes horizontal expansion and longitudinal extension Between bending.The teat 16 of this part is more than zero apart from described nail mouth 131 certain distance, this certain distance.Due to this Nail bin 10 is provided with from this top end face 14 of the edge, side of top end face 14 towards the opposite side of this top end face 14 on top end face 14 The teat 16 that Edge Bend extends, with when sewing up, the teat 16 of this bending i.e. may insure that be sewn tissue and nail bin 10 it Between longitudinal force, prevent from being sewn when being organized in stitching generation length travel, be possible to prevent again teat 16 to be embedded in and be sewn group In knitting;Again owing to this teat 16 is apart from nail mouth 131 certain distance, and this certain distance is more than 0, so that teat 16 is not Overlap with nail mouth 131, so, the junction of teat 16 and staple cartridge body 1 is not in nail mouth 131, therefore this nail bin is originally Burr will not be produced in the nail mouth 131 of body 1, relative to existing technologies, when sewing up, the suturing nail 2 in nail bin 10 Go out to follow closely resistance less, it is simple to go out nail.
Some described nail mouth 131 parallel longitudinal axis direction on each sidepiece 18 at least lines up two rows, on adjacent two rows Nail mouth 131 shifts to install, and in the present embodiment, the nail mouth 131 on each sidepiece 18 is in the direction being parallel to longitudinal axis On line up three rows.Described nail mouth 131 has the first end 132 being oppositely arranged on the longitudinally of described staple cartridge body 1 With the second end 133, this first end 132 opposite second end 133 is arranged near inserting end 11.This teat 16 and the first end 132, The distance of the second end 133 is all not equal to zero, i.e. teat 16 is misaligned with nail mouth 131.Each described teat 16 is around also Extending to one end of a nail mouth 131 in corresponding often row, described teat 16 includes in the most corresponding often row of at least two The transverse part 161 of the first end 132 of one nail mouth 131 or the second end 133 and connect the connection in adjacent transverse portion 161 Portion 162, this transverse part 161 may insure that the longitudinal force being sewn between tissue and nail bin 10, prevents from being sewn and is organized in seam Occur length travel, the design of this connecting portion 161 to be possible to prevent teat 16 to be embedded in during conjunction to be sewn in tissue.Due to suturing nail 2 are arranged in staple cavity 13, and its structure is specifically, two extension rods 22 of suturing nail 2 bear against in staple cavity 13 On two side, (longitudinal axis of nail mouth 131 is with nail bin originally for the longitudinal axis of the nail mouth 131 that wherein this two side is corresponding The lengthwise of body 1 is square in the same direction) vertical, and when suturing nail 2 goes out to follow closely, deformed upon by two extension rods 22 of suturing nail 2 To sew up held tissue, so, to improve sewing effect, therefore, to assure that go out being pressed from both sides of extension rod 22 position when following closely Hold tissue not to be subjected to displacement, therefore according to test of many times, in order to improve sewing effect, by the longitudinal direction of the nail mouth 131 on often row Central axis is through the transverse part 161 on this row;In order to reach optimum efficiency, longitudinal center's axis of described transverse part 161 Longitudinal center's axis of corresponding nail mouth 131 overlaps.In the present embodiment, described teat 16 substantially in " Ω " font, All teats 16 are towards identical.Really, described towards can also difference the most contrary.Above-mentioned teat 16 can be with concentrated setting In rear or first section or the stage casing of staple cartridge body 1, or scattered being distributed in staple cartridge body 1, at the present embodiment In, each nail mouth 131 is correspondingly arranged the transverse part 161 of a teat 16, only sets between the most adjacent two nail mouthes 131 Being equipped with a transverse part 161, the corresponding nail mouth 131 of described transverse part 161 forms some rows, the often transverse part 161 on row It is set in qually spaced in one end of described nail mouth 131.In the present embodiment, this transverse part 161 is positioned at the first of nail mouth 131 End.In order to prevent the held tissue of extension rod 22 position to be subjected to displacement, need again to prevent teat 16 and nail mouth 131 Overlap, need to make: the scope of the held tissue of teat 16 position surrounds held group of extension rod 22 position The scope knitted, to improve sewing effect, but, the transverse part 161 of teat 16 again can not from nail mouth 131 too away from, otherwise, Cannot the held tissue of securing elongated bar 22 position.Confirm through repetition test, the transverse part 161 of this teat 16 It is more than 0 and less than or equal to 0.1mm with the optimum distance of the first end 132.Really, the teat 16 often arranged can also wait Spacing is arranged on the side of the second end 133 of described nail mouth 131, or, each nail mouth 131 is correspondingly arranged on two Teat 16, these two teats 16 corresponding to nail mouth 131 are separately positioned on the first end 132 and both sides of the second end 133. But, if each nail mouth 131 is respectively provided with teat 16, then relative to the present embodiment, this kind of mode preparation technology is more complicated.
Each transverse part 161 of described teat 16 includes the first side 163 and the second side 164 of opposing setting, described One side 163 and the second side 164 are along the horizontal expansion of staple cartridge body 1, the top of described first side 163 and the second side Including at least one face between the top in face 164, in other embodiments, the top of this first side 163 can be with second The top of side 164 is intersected.Described first side 163 forms the first angle α, described second side with top end face 14 clamping 164 form the second angle β with top end face 14 clamping, and described first angle α and the second opposing setting of angle β, in this enforcement In example, described first angle α and the second angle β are obtuse angle.Relative to the second side 164, described first side 163 Insertion end 11 closer to staple cartridge body 1.Described first angle β is obtuse angle, with prevent further teat 16 be embedded in by Sew up in tissue.The absolute value of the described first angle α absolute value more than the second angle β, the most longitudinal breakaway force is relatively big, Contributing to increasing skidproof effect, really, this first angle α absolute value less than the absolute value of the second angle β, but can compare " institute State the absolute value absolute value more than the second angle β of the first angle α ", when the absolute value of the first angle α is less than the second angle β Absolute value time, then longitudinal breakaway force is relatively small, and skidproof effect is relatively poor.For the ease of technological forming, and further Raising longitudinal force, the plane that described first side 163 and the second side 164 are all intersected with described top end face 14, described first Side 161 and the second side 162 are the plane tilted relative to top end face 14, in other embodiments, this first side Face 163 and the second side 164 can be wavy surface, or the combinatorial surface being made up of multiple difform planes and/or curved surface. Be sewn tissue to prevent this teat 16 from puncturing or embedding or puncture the tissue in other regions, described first side 163 with It is formed with curved fillet surface 165, i.e. the top of the first side 163 and the second side 164 between second side 164 Curved fillet surface 165 is included between top.Vertical dimension optimum between top and the top end face 14 of described teat 16 It is 0.3~0.5mm, i.e. teat 16 is 0.3~0.5mm relative to the height of top end face 14, if higher than 0.5mm, then can Increasing counteracting force, be easily embedded in tissue, it is difficult to depart from, if less than 0.3mm, then skidproof effect will be deteriorated.Except this reality Executing exception, in other embodiments, described first angle, the second angle can be 90 °;Or described first angle, In second angle, one can be obtuse angle, and another can be 90 °.If but by the first angle, the second angle, at least one sets Putting in 90 °, the first side 163 and the/the second side 164 are by vertical top end face 14, the then side used relative to the present embodiment Case, this teat 16 occurs to embed that to be sewn the probability of tissue bigger relatively.
Referring to Fig. 2 to Fig. 9, each sidepiece 18 in described staple cartridge body 1 includes the two sides longitudinally extended, two Side is divided into lateral surface 181 and medial surface 182, and described lateral surface 181 is provided with buckle slot 183, fixing slot 184 and card Gu block 185.The location ridge 203 of described lid 20 is inserted in described cutter slit 17, described pothook 202 and buckle Groove 183 is clasped so that lid 20 and staple cartridge body 1 are fixed.Offer on described bracket 5 and join with described holding block 185 The groove 51 closed and the hook portion 52 coordinated with described fixing slot 184.Described bracket 5 in order to stationary pusher 4 in case thrust Dynamic device 4 departs from staple cartridge body 1.Described pusher 4 includes base plate 41, upwardly extends the cam part of formation from described base plate 41 42 and from described base plate 41 upwardly extend type formed limited block 43.Described base plate 41 is clamped in bracket 5 and staple cartridge body 1 Bottom face 15 between, described cam part 42 is positioned at the sliding conduit 151 of staple cartridge body 1, can Relative sliding conduit 151 Mobile, described limited block 43 is limited in cutter slit 17, to prevent pusher 4 when staple cartridge body 1 moves, promotes Device 4 deviates moving direction or rocks.All being installed with nail-pushing part 3 in each described staple cavity 13, this nail-pushing part 3 includes propping up Support part 31 and with the described integrated guide part of supporting part 31 32.Two projections on the side of described supporting part 31 are formed Extension block 33, extension block 33, supporting part 31 enclose to set to be formed and limit the restriction groove 34 that suturing nail 2 is arranged.Consolidating of suturing nail 2 Fixed pole 21 is located in this stopper slot 34.Described guide part 32 is adaptive with the cam part 42 of described pusher 4, described guiding Portion 32 is positioned at described sliding conduit 151, when described pusher 4 drives nail-pushing part 3 to move, and the cam part of pusher 4 42 contact with guide part 32, promote guide part 32 to move, and owing to nail-pushing part 3 is arranged in staple cavity 13, this staple Chamber 13 limits this nail-pushing part 3 and is only capable of relative staple cartridge body 1 and moves up and down, therefore when cam part 42 is to guide part 32 applying effect During power, guide part 32 is only capable of relative staple cartridge body 1 and moves up, and now, supporting part 31 is with the relative nail bin of guide part 32 originally Body 1 moves up, thus promotes the relative staple cartridge body 1 of suturing nail 2 to move up.In the present embodiment, nail-pushing part 3 wraps Including two kinds of different structures (specifically referring to Fig. 8 and Fig. 9), its concrete structure is not described here in detail.Described nail-pushing part 3 is by bracket 5 support, in case thrust nail piece 3 departs from staple cartridge body 1.
In sum, the above-mentioned nail bin 10 for surgical instruments is provided with the side from this top end face 14 on top end face 14 Along this top end face 14 upper surface towards this top end face 14 opposite side Edge Bend extend teat 16, with sew up time, this folding Curved teat 16 i.e. may insure that the longitudinal force being sewn between tissue and nail bin 10, prevents from being sewn when being organized in stitching and sends out Raw length travel, is possible to prevent again teat 16 to be embedded in and is sewn in tissue;Again owing to this teat 16 is apart from nail mouth 131 Certain distance, and this certain distance is more than 0, therefore burr in the nail mouth 131 of this staple cartridge body 1, will not be produced, the most existing For having technology, when sewing up, the suturing nail 2 in nail bin 10 goes out to follow closely resistance less, it is simple to go out nail.
In describing the invention, it is to be understood that term " " center ", " longitudinally ", " laterally ", " length ", " width ", " thickness ", " on ", D score, "front", "rear", "left", "right", " vertically ", " level ", " top ", " end " " interior ", " outward ", " clockwise ", " counterclockwise ", " axially ", " radially ", " circumferential " etc. instruction orientation or position relationship be based on Orientation shown in the drawings or position relationship, be for only for ease of the description present invention and simplify description rather than instruction or hint institute The device that refers to or element must have specific orientation, with specific azimuth configuration and operation, therefore it is not intended that to this Bright restriction.
Additionally, term " first ", " second " are only used for describing purpose, and it is not intended that instruction or hint relative importance Or the implicit quantity indicating indicated technical characteristic.Thus, define " first ", the feature of " second " can be expressed Or implicitly include at least one this feature.In describing the invention, " multiple " are meant that at least two, such as two Individual, three etc., unless otherwise expressly limited specifically.
In the present invention, unless otherwise clearly defined and limited, term " install ", " being connected ", " connection ", " fixing " Should be interpreted broadly Deng term, connect for example, it may be fixing, it is also possible to be to removably connect, or integral;Can be Be mechanically connected, it is also possible to be electrical connection or each other can communication;Can be to be joined directly together, it is also possible to by the indirect phase of intermediary Even, can be connection or the interaction relationship of two elements of two element internals, unless otherwise clear and definite restriction.For For those of ordinary skill in the art, above-mentioned term concrete meaning in the present invention can be understood as the case may be.
In the present invention, unless otherwise clearly defined and limited, fisrt feature second feature " on " or D score can Being that the first and second features directly contact, or the first and second features are by intermediary mediate contact.And, the One feature second feature " on ", " top " and " above " but fisrt feature directly over second feature or Oblique upper, or it is merely representative of fisrt feature level height higher than second feature.Fisrt feature second feature " under ", " lower section " and " below " can be fisrt feature immediately below second feature or obliquely downward, or it is special to be merely representative of first Levy level height less than second feature.
In the description of this specification, reference term " embodiment ", " some embodiments ", " example ", " specifically show Example " or the description of " some examples " etc. means to combine this embodiment or example describes specific features, structure, material or Feature is contained at least one embodiment or the example of the present invention.In this manual, the schematic representation to above-mentioned term Necessarily it is directed to identical embodiment or example.And, the specific features of description, structure, material or feature are permissible One or more embodiment in office or example combine in an appropriate manner.Additionally, in the case of the most conflicting, ability The feature of the different embodiments described in this specification or example and different embodiment or example can be entered by the technical staff in territory Row combines and combination.
Although above it has been shown and described that embodiments of the invention, it is to be understood that above-described embodiment is exemplary, Being not considered as limiting the invention, those of ordinary skill in the art within the scope of the invention can be to above-described embodiment It is changed, revises, replaces and modification.

Claims (16)

1., for a nail bin for surgical instruments, there is staple cartridge body and the suturing nail being arranged in described staple cartridge body, described It is provided with some staple cavity in staple cartridge body, described staple cartridge body offers the cutter of vertical axis extension along described staple cartridge body Slit, described staple cartridge body is divided into two sidepieces by described cutter slit, and each described sidepiece all includes top end face, Mei Gesuo The both sides stating top end face have the side longitudinally extended, and described top end face is provided with and is run through described top by described staple cavity The nail mouth that face is formed, it is characterised in that: it is provided with some teats on described top end face, at least a part of which partial amt described Teat extends towards the opposite side Edge Bend of this top end face from edge, the side top end face of described top end face, and described teat is apart from described Nail mouth certain distance, described certain distance is more than zero.
Nail bin for surgical instruments the most according to claim 1, it is characterised in that: described teat includes at least one Transverse part and at least one connecting portion in connection adjacent transverse portion, described transverse part is along the horizontal expansion of staple cartridge body.
3. according to the nail bin for surgical instruments described in any one of claim 1 or 2, it is characterised in that: described teat is big Cause in " Ω " font.
Nail bin for surgical instruments the most according to claim 2, it is characterised in that: each described transverse part all includes First side and the second side, described first side and described second side are along the horizontal expansion of staple cartridge body;Described first side The top in face is intersected with the top of described second side, or, the top of described first side and the top of described second side Between include at least one face.
Nail bin for surgical instruments the most according to claim 4, it is characterised in that: described first side and described top Form the first angle between end face, between described second side and described top end face, form the second angle, described first angle and Described second angle is obtuse angle;Or, described first angle, described second angle are 90 °;Or, described first folder In angle, described second angle, one is obtuse angle, and another is 90 °.
Nail bin for surgical instruments the most according to claim 5, it is characterised in that: described staple cartridge body has insertion End;Relative to the second side, described first side is closer to the insertion end of staple cartridge body;Described first angle is obtuse angle.
7. according to the nail bin for surgical instruments described in any one of claim 5 or 6, it is characterised in that: described first folder The absolute value at angle is more than the absolute value of described second angle.
Nail bin for surgical instruments the most according to claim 4, it is characterised in that: described first side and/or described Second side is plane, the wavy surface intersected with described top end face or is made up of multiple difform planes and/or curved surface Combinatorial surface.
9. according to the surgical instruments described in any one of claim 4 or 8, it is characterised in that: the top of described first side with A curved fillet surface is included between the top of described second side.
10. according to the nail bin for surgical instruments described in any one of claim 1,2,4, it is characterised in that: described prominent Vertical dimension between top and the described top end face in portion is 0.3~0.5mm.
11. nail bins for surgical instruments according to claim 3, it is characterised in that: the top of described teat and institute Stating the vertical dimension between top end face is 0.3~0.5mm.
12. nail bins for surgical instruments according to claim 2, it is characterised in that: the transverse part pair of each teat Answering a described nail mouth, longitudinal center's axis of described nail mouth is through the transverse part of the teat of its correspondence.
13. nail bins for surgical instruments according to claim 12, it is characterised in that: in the longitudinal direction of described nail mouth Longitudinal center's axis of the transverse part of the described teat that mandrel line is corresponding overlaps.
14. nail bins for surgical instruments according to claim 1, it is characterised in that: each described teat horizontal The distance of the end of the nail mouth that portion is corresponding is more than 0 and less than or equal to 0.1mm.
15. 1 kinds of surgical instrumenties, it is characterised in that: include as described in any one of claim 1~14 for surgical instruments Nail bin.
16. surgical instrumenties according to claim 15, it is characterised in that: described surgical instruments is suture instruments.
CN201610515252.7A 2016-06-30 2016-06-30 Nail cabin for surgical instrument and surgical instrument Pending CN105919642A (en)

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