CN103181802A - Linear seaming and cutting device for surgery - Google Patents
Linear seaming and cutting device for surgery Download PDFInfo
- Publication number
- CN103181802A CN103181802A CN2011104549118A CN201110454911A CN103181802A CN 103181802 A CN103181802 A CN 103181802A CN 2011104549118 A CN2011104549118 A CN 2011104549118A CN 201110454911 A CN201110454911 A CN 201110454911A CN 103181802 A CN103181802 A CN 103181802A
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- China
- Prior art keywords
- anvil
- nail
- nail anvil
- cutting device
- hollow cylinder
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/068—Surgical staplers, e.g. containing multiple staples or clamps
- A61B17/072—Surgical 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
- A61B17/07207—Surgical 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
Abstract
The invention discloses a linear seaming and cutting device for surgery. The device comprises a nailing anvil and a nailing cabin which are oppositely arranged, wherein a nailing anvil cap is arranged at the front end of the nailing anvil; a round hole is formed in the front end surface of the nailing anvil; a hollow cylinder is convexly arranged on the surface, facing the nailing anvil, of the nailing anvil cap; the outer diameter of the hollow cylinder is equal to the inner diameter of the round hole; and an auxiliary connecting component used for reinforcing connection is arranged between the nailing anvil and the nailing anvil cap. The device has the beneficial effect that the connection between the nailing anvil cap and the nailing anvil is tighter, so that the nailing anvil cap is effectively prevented from falling off.
Description
Technical field
The present invention relates to a kind of surgery with straight line seaming and cutting device, belong to technical field of medical instruments.
Background technology
Straight line seaming and cutting device is widely used in being used in the surgical operation wound suture, interior tissue is sewed up and cutting, typical straight line seaming and cutting device such as US Patent No. 5129570 announcement, have and sew up and two functions of cutting, when carrying out wound suture, excess tissue is excised.Such straight line seaming and cutting device generally comprises upper and lower two clamps, and the closed handle that is used for closed upper and lower clamp, be oppositely arranged on nail anvil and the nail bin of upper and lower clamp far-end, be located in the nail bin and also can move percussion sheet and cutting knife relative to described nail bin simultaneously, and for driving the push button that described percussion sheet and cutting knife move.Be disposed with suturing nail in the described nail bin, described percussion sheet promotes pushing slice of nail successively in order and pushes suturing nail to nail anvil, and described cutting knife cuts off the tissue between nail bin and nail anvil.
Existing surgery generally can be fixed a nail-anvil cap with the nail anvil front end of straight line seaming and cutting device, nail-anvil cap can be provided with a connection cylinder with respect to an end of nail anvil, as long as will connect column part during installation clamp-ons in the nail anvil preformed hole, because being the process of pushing relatively, so the hollow cylinder root in nail-anvil cap and nail anvil cooperation place has stress concentration effect, and hollow cylinder is ruptured easily.After through long-distance transport, then also might make new product scrap because of extruding simultaneously.
Summary of the invention
The purpose of this invention is to provide a kind of surgery that prevents that nail-anvil cap from coming off straight line seaming and cutting device.
Purpose of the present invention will be achieved by the following technical programs:
A kind of surgery straight line seaming and cutting device, comprise the nail anvil and the nail bin that are oppositely arranged, the front end of described nail anvil is provided with nail-anvil cap, the front end face of described nail anvil is provided with a circular hole, the surface that described nail-anvil cap regards to nail anvil convexes with a hollow cylinder, the external diameter of described hollow cylinder equals the internal diameter of described circular hole, is provided with one between described nail anvil and the nail-anvil cap and is used for strengthening the connection assist that is connected.
Preferably, described connection assist is a latch, and described hollow cylinder is provided with a perforation, and described nail anvil is provided with hole slot corresponding to described perforation place, and described latch inserts in described hole slot and the perforation simultaneously.
Preferably, the hole slot on the described nail anvil is the through hole that runs through described nail anvil, and described latch is through described hole slot.
Preferably, the hole slot on the described nail anvil is for only to pass wherein half through hole of a wall of described nail anvil, and described latch passes described hole slot, and enters in the described perforation.
Preferably, described perforation is for only passing wherein half through hole of a wall of described hollow cylinder.
Preferably, described latch is round pin or square cotter.
Preferably, described hole slot is arranged on surface or the side of described nail anvil.
Perhaps, described connection assist is a tapered pole that is arranged in the described hollow cylinder, described tapered pole is carefully held and is inserted in the described hollow cylinder, and described tapered pole butt end exposes to the port of described hollow cylinder, and the hollow cylinder connection behind the described insertion tapered pole is arranged in the described circular hole.
Perhaps, described connection assist is a camber line shape hollow protrusions that is convexly equipped with at the front end face of described nail anvil, and corresponding being arranged with a lip-deep camber line connected in star that regards to described camber line shape hollow protrusions at described nail-anvil cap, described camber line shape hollow protrusions can be inserted in the described camber line connected in star; Described camber line shape hollow protrusions has an opening, and the cutting knife groove on described opening and the nail anvil connects.
Perhaps, described connection assist is to be arranged on the lip-deep buckle that described nail-anvil cap regards to nail anvil, described buckle comprises that a buckle arm and that stretches out is located at the buckle barb of buckle arm end, and the front end correspondence of described nail anvil is provided be used to the button bit of accommodating described buckle barb.
Beneficial effect of the present invention is mainly reflected in: make to be connected closelyr between nail-anvil cap and the nail anvil, prevent coming off of nail-anvil cap effectively.
Description of drawings
Fig. 1 is the cutaway view of the nail anvil part of the first embodiment of the present invention.
Fig. 2 is the cutaway view of A-A part among Fig. 1.
Fig. 3 is the cutaway view of the nail anvil of the second embodiment of the present invention.
Fig. 4 is the vertical view of the nail anvil of the second embodiment of the present invention.
Fig. 5 is the vertical view of the nail anvil part of the third embodiment of the present invention.
Fig. 6 is the cutaway view of A-A among Fig. 5.
Fig. 7 is the schematic perspective view of the nail anvil of the fourth embodiment of the present invention.
Fig. 8 is the cutaway view of the nail anvil part of the fourth embodiment of the present invention.
Fig. 9 is the exploded perspective view of the nail-anvil assembly part of the fifth embodiment of the present invention.
The specific embodiment
[first embodiment]
As shown in Figure 1, the invention provides a kind of surgery straight line seaming and cutting device.Consistent with prior art, described straight line seaming and cutting device comprise can be mutually closed or last clamp 9 and the play clamp opened, pivot is located at down on the clamp also for the closed handle of closed upper and lower clamp, the far-end of last clamp 9 is provided with nail anvil 1, the far-end of following clamp is provided with nail bin.
As depicted in figs. 1 and 2, the front end of described nail anvil 1 is provided with nail-anvil cap 3, the front end face of described nail anvil 1 is provided with a circular hole 4, the surface that regards to nail anvil 1 of described nail-anvil cap 3 convexes with a hollow cylinder 5, the external diameter of described hollow cylinder 5 equals the internal diameter of described circular hole, and described hollow cylinder 5 inserts in the described circular hole 4.
Described hollow cylinder 5 is provided with a perforation 6, and the both sides of described nail anvil 1 are provided with hole slot 7 corresponding to described perforation 6 places, and namely described hole slot 7 is for running through the through hole of described nail anvil 1.Described perforation 6 and described hole slot 7 are circle, described straight line seaming and cutting device also comprises a latch 8, described latch 8 is cylindrical having strong market potential, described latch 8 penetrates from a side opening groove 7 of nail anvil 1, penetrate the hollow cylinder 5 of nail-anvil cap 3, opposite side hole slot 7 from nail anvil 1 passes then, the interference fit that is connected to form of described latch 8 and nail-anvil cap 3, and what make nail anvil 1 and nail-anvil cap 3 is connected more closely, avoids coming off of nail-anvil cap 3.
[second embodiment]
Present embodiment and described first embodiment are roughly the same, as shown in Figure 3 and Figure 4, the front end of described nail anvil 1 is provided with nail-anvil cap 3, the front end face of described nail anvil 1 is provided with a circular hole 4, the surface that regards to nail anvil 1 of described nail-anvil cap 3 convexes with a hollow cylinder 5, the external diameter of described hollow cylinder 5 equals the internal diameter of described circular hole, and described hollow cylinder 5 inserts in the described circular hole 4.
Described hollow cylinder 5 is provided with a perforation 6, and described perforation 6 is for only passing wherein half through hole of a wall of described hollow cylinder 5.Hole slot 7 on the described nail anvil is for only to pass wherein half through hole of a wall of described nail anvil 1, and described latch 8 passes described hole slot 7, and enters in the described perforation 6, i.e. 13 sides of passing nail anvil 1 of described square short pin.
[the 3rd embodiment]
As shown in Figure 5 and Figure 6, the front end of described nail anvil 1 is provided with nail-anvil cap 3, the front end face of described nail anvil 1 is provided with a circular hole 4, and the surface that regards to nail anvil 1 of described nail-anvil cap 3 convexes with a hollow cylinder 5, and the external diameter of described hollow cylinder 5 equals the internal diameter of described circular hole 4.
Intensity increases in the nail-anvil cap 3 in order to make, avoid hollow cylinder 5 fractures, be provided with a tapered pole 10 in the described hollow cylinder 5, the thin end 11 of described tapered pole inserts in the described hollow cylinder 5, described tapered pole butt end 12 exposes to the port one 3 of described open tubular column 5, hollow cylinder 5 behind the insertion tapered pole 10 is put in the circular hole 4 of described nail anvil 1 again, utilizes the wedge shape gradient of tapered pole to impel hollow cylinder 5 expansions to produce the friction bond stress; After tapered pole 10 inserts nail-anvil cap simultaneously gain in strength in inside, makes that the connection between nail-anvil cap 3 and the nail anvil 1 is tightr.
[the 4th embodiment]
As shown in Figure 7 and Figure 8, the front end of described nail anvil 1 is provided with nail-anvil cap 3, the front end face of described nail anvil 1 is provided with a circular hole 4, described nail-anvil cap 3 and nail anvil 1 a relative end face is provided with one and connects with hollow cylinder 5, described hollow cylinder 5 inserts in the described circular hole 4, makes nail anvil 1 be connected with nail-anvil cap 3.
The front end face of described nail anvil 1 convexes with a camber line shape hollow protrusions 15, correspondence is concaved with a camber line connected in star 16 on the surface that regards to described camber line shape hollow protrusions 15 of described nail-anvil cap 3, the external diameter of described camber line shape hollow protrusions 15 equals the external diameter of described camber line connected in star 16, and described camber line shape hollow protrusions 15 can be inserted in the described camber line connected in star 16.In the camber line connected in star 16 that camber line shape hollow protrusions 15 on the described nail anvil 1 is inserted on the described nail-anvil cap 3, form interlocking structure, make that being connected of nail anvil 1 and nail-anvil cap 3 is tight more, firm.The opening 17 of described camber line shape hollow protrusions 15 is consistent with cutting knife groove 14, thus not can to when operation blade the propelling path exert an influence.
[the 5th embodiment]
As shown in Figure 9, the front end of described nail anvil 1 is provided with nail-anvil cap 3, and the front end face of described nail anvil 1 is provided with a circular hole 4, and the surface that regards to nail anvil 1 of described nail-anvil cap 3 convexes with a hollow cylinder 5, and the external diameter of described hollow cylinder 5 equals the internal diameter of described circular hole 4.The joint pin that described hollow cylinder 5 can be used as described nail-anvil cap 3 and nail anvil 1 inserts in the described circular hole 4.
In order to prevent that nail-anvil cap from coming off, the surface that described nail-anvil cap 3 regards to nail anvil 1 is fixed with a buckle 2, and described buckle 2 comprises that a buckle arm 21 and that stretches out is located at the buckle barb 22 of buckle arm end.Described buckle arm 21 stretches to described nail anvil 1, and the front end correspondence of described nail anvil 1 is provided be used to the button bit 18 of accommodating described buckle barb 7, and described buckle barb 22 can be buckled in the described button bit 18, further strengthens being connected of nail anvil 1 and nail-anvil cap 3.
Certainly, the existence of buckle 2 has been arranged, the external diameter of described hollow cylinder 5 also can be slightly smaller than the internal diameter of described circular hole 4.The situation that so just can prevent hollow cylinder 5 that nail-anvil cap cooperates with nail anvil from stress concentration being arranged and rupture produces.
The present invention still has numerous embodiments, and for example described latch can be round pin or square cotter, and described hole slot 7 can be arranged on surface or the side of described nail anvil.All employing equivalents or equivalent transformation and all technical schemes of forming all drop within protection scope of the present invention.
Claims (10)
1. a surgery is with straight line seaming and cutting device, comprise the nail anvil (1) and the nail bin that are oppositely arranged, the front end of described nail anvil (1) is provided with nail-anvil cap (3), the front end face of described nail anvil (1) is provided with a circular hole (4), the surface that described nail-anvil cap (3) regards to nail anvil (1) convexes with a hollow cylinder (5), the external diameter of described hollow cylinder (5) equals the internal diameter of described circular hole (4), it is characterized in that: be provided with one between described nail anvil (1) and the nail-anvil cap (3) and be used for strengthening the connection assist that is connected.
2. a kind of surgery according to claim 1 is with straight line seaming and cutting device, it is characterized in that: described connection assist is a latch (8), described hollow cylinder (5) is provided with a perforation (6), described nail anvil (1) locates to be provided with hole slot (7) corresponding to described perforation (6), and described latch (8) inserts in described hole slot (7) and the perforation (6) simultaneously.
3. a kind of surgery according to claim 2 is with straight line seaming and cutting device, and it is characterized in that: the hole slot (7) on the described nail anvil (1) is for running through the through hole of described nail anvil (1), and described latch (8) is through described hole slot (7).
4. a kind of surgery according to claim 2 is with straight line seaming and cutting device, it is characterized in that: the hole slot (7) on the described nail anvil (1) is for only passing wherein half through hole of a wall of described nail anvil (1), described latch (8) passes described hole slot (7), and enters in the described perforation (6).
5. a kind of surgery according to claim 4 is with straight line seaming and cutting device, and it is characterized in that: described perforation (6) is for only passing wherein half through hole of a wall of described hollow cylinder (5).
6. a kind of surgery according to claim 2 is with straight line seaming and cutting device, and it is characterized in that: described latch (8) is round pin or square cotter.
7. a kind of surgery according to claim 2 is with straight line seaming and cutting device, and it is characterized in that: described hole slot (7) is arranged on surface or the side of described nail anvil (1).
8. a kind of surgery according to claim 1 is with straight line seaming and cutting device, it is characterized in that: described connection assist is for being arranged on the tapered pole (10) in the described hollow cylinder (5), described tapered pole carefully holds (11) to insert in the described hollow cylinder (5), described tapered pole butt end (12) exposes to the port (13) of described hollow cylinder (5), and hollow cylinder (5) connection behind the described insertion tapered pole is arranged in the described circular hole (4).
9. a kind of surgery according to claim 1 is with straight line seaming and cutting device, it is characterized in that: described connection assist is for being convexly equipped with the camber line shape hollow protrusions (15) at the front end face of described nail anvil (1), and correspondence is arranged with a lip-deep camber line connected in star (16) that regards to described camber line shape hollow protrusions (15) at described nail-anvil cap (3), and described camber line shape hollow protrusions (15) can be inserted in the described camber line connected in star (16); Described camber line shape hollow protrusions (15) has an opening (17), and the cutting knife groove (14) on described opening (17) and the nail anvil (1) connects.
10. a kind of surgery according to claim 1 is with straight line seaming and cutting device, it is characterized in that: described connection assist is for being arranged on the lip-deep buckle (2) that described nail-anvil cap (3) regards to nail anvil (1), described buckle (2) comprises that a buckle arm (21) and that stretches out is located at the buckle barb (22) of buckle arm (21) end, and the front end correspondence of described nail anvil (1) is provided be used to the button bit (18) of accommodating described buckle barb (22).
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510030937.8A CN104605907B (en) | 2011-12-30 | 2011-12-30 | A kind of surgery Linear stapling cutter |
| CN201110454911.8A CN103181802B (en) | 2011-12-30 | 2011-12-30 | A kind of surgery Linear stapling cutter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110454911.8A CN103181802B (en) | 2011-12-30 | 2011-12-30 | A kind of surgery Linear stapling cutter |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510030937.8A Division CN104605907B (en) | 2011-12-30 | 2011-12-30 | A kind of surgery Linear stapling cutter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103181802A true CN103181802A (en) | 2013-07-03 |
| CN103181802B CN103181802B (en) | 2015-07-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110454911.8A Active CN103181802B (en) | 2011-12-30 | 2011-12-30 | A kind of surgery Linear stapling cutter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103181802B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5065929A (en) * | 1991-04-01 | 1991-11-19 | Ethicon, Inc. | Surgical stapler with locking means |
| US5129570A (en) * | 1990-11-30 | 1992-07-14 | Ethicon, Inc. | Surgical stapler |
| CN2820095Y (en) * | 2005-08-04 | 2006-09-27 | 苏州天臣国际医疗科技有限公司 | Nail anvil cap |
| CN1868410A (en) * | 2005-05-24 | 2006-11-29 | 苏州天臣国际医疗科技有限公司 | Nail anvil component |
| US20110084113A1 (en) * | 2009-10-09 | 2011-04-14 | Ethicon Endo-Surgery, Inc. | Surgical stapler comprising a staple pocket |
| CN202409019U (en) * | 2011-12-07 | 2012-09-05 | 苏州天臣国际医疗科技有限公司 | Linear suturing and cutting device |
| CN202489990U (en) * | 2011-12-30 | 2012-10-17 | 苏州天臣国际医疗科技有限公司 | Linear sewing and cutting device for surgery |
| CN103142268A (en) * | 2011-12-07 | 2013-06-12 | 苏州天臣国际医疗科技有限公司 | Linear type suturing and cutting machine |
-
2011
- 2011-12-30 CN CN201110454911.8A patent/CN103181802B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5129570A (en) * | 1990-11-30 | 1992-07-14 | Ethicon, Inc. | Surgical stapler |
| US5065929A (en) * | 1991-04-01 | 1991-11-19 | Ethicon, Inc. | Surgical stapler with locking means |
| EP0507029A2 (en) * | 1991-04-01 | 1992-10-07 | Ethicon, Inc. | Surgical stapler with locking means |
| CN1868410A (en) * | 2005-05-24 | 2006-11-29 | 苏州天臣国际医疗科技有限公司 | Nail anvil component |
| CN2820095Y (en) * | 2005-08-04 | 2006-09-27 | 苏州天臣国际医疗科技有限公司 | Nail anvil cap |
| US20110084113A1 (en) * | 2009-10-09 | 2011-04-14 | Ethicon Endo-Surgery, Inc. | Surgical stapler comprising a staple pocket |
| CN202409019U (en) * | 2011-12-07 | 2012-09-05 | 苏州天臣国际医疗科技有限公司 | Linear suturing and cutting device |
| CN103142268A (en) * | 2011-12-07 | 2013-06-12 | 苏州天臣国际医疗科技有限公司 | Linear type suturing and cutting machine |
| CN202489990U (en) * | 2011-12-30 | 2012-10-17 | 苏州天臣国际医疗科技有限公司 | Linear sewing and cutting device for surgery |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103181802B (en) | 2015-07-29 |
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Address after: 215021 No. 278 Dongping Street, Suzhou Industrial Park, Jiangsu Province Patentee after: Tianchen International Medical Technology Co., Ltd Address before: 215021, 1355 international science and Technology Park, Jinji Lake Avenue, Suzhou Industrial Park, Jiangsu, 3 21A Patentee before: TOUCHSTONE INTERNATIONAL MEDICAL SCIENCE Co.,Ltd. |