CN102048569B - Circular-pipe binding instrument for minimally invasive surgery - Google Patents
Circular-pipe binding instrument for minimally invasive surgery Download PDFInfo
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- CN102048569B CN102048569B CN 200910205053 CN200910205053A CN102048569B CN 102048569 B CN102048569 B CN 102048569B CN 200910205053 CN200910205053 CN 200910205053 CN 200910205053 A CN200910205053 A CN 200910205053A CN 102048569 B CN102048569 B CN 102048569B
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- nail
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- minimally invasive
- invasive surgery
- tubular type
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Abstract
The invention provides a circular-pipe binding instrument for a minimally invasive surgery. The binding instrument comprises a nail cabin, a nail barrel, a hollow connecting pipe and a gasket, wherein the nail cabin, the nail barrel and the hollow connecting pipe are fixedly connected with one another; a nail push sheet is arranged in the nail barrel; a nail anvil pull rod moves in a central hole pipe on the nail barrel; and the gasket is arranged inside the nail barrel, is sleeved on the central hole pipe and comprises a disk body for enclosing a gap between the nail barrel and the nail push sheet and a circular ring body for enclosing the gap between the nail anvil pull rod and the central hole pipe. The circular-pipe binding instrument has the advantages of high sealing performance, high adaptability to the minimally invasive surgery and simple structure, and is convenient to install.
Description
Technical field
The present invention relates to a kind of good sealing performance surgical operation and use the tubular type binding appearance, can be used for Minimally Invasive Surgery, belong to medical instruments field.
Background technology
Surgical operation is the medical apparatus and instruments that often uses when physiological tissues such as esophagus, intestinal are undergone surgery seaming and cutting with the tubular type binding appearance, and the quality of its performance directly influences the operation process, plays important effect for surgical effect.In the prior art, like the tubular type binding appearance that U.S. Pat 5205459 discloses, generally form by having the body of pulling the trigger handle and having the crimp head of sewing up device, its crimp head is made up of the nail bin that interfixes successively, nail tube and hollow connection tube again.Said nail tube inside is provided with pushing slice of nail movably, has in the centre bore pipe of an anvil pull rod on being located at said nail tube to move, and is used for being connected with nail-anvil assembly.
Present tubular type binding appearance generally all is used in open surgery, promptly needs to open thoracic cavity or abdominal part on a large scale, and this is unfavorable for patient's post-operative recovery very much, has therefore produced a kind of modus operandi of novelty, i.e. Minimally Invasive Surgery.Minimally Invasive Surgery with the intestinal tissue seaming and cutting is an example, at first need use special-purpose perforator to open aperture at abdominal part; Use pneumoperitoneum apparatus toward the intraperitoneal inflation then, form the space that can supply laparoscopic visualization and carry out seaming and cutting; Then withdraw from pneumoperitoneum apparatus, in aperture, can carry out intestinal seaming and cutting Minimally Invasive Surgery after insertion tubular type binding appearance, peritoneoscope and other the necessary operating theater instruments.
Because Minimally Invasive Surgery only opens several apertures on one's body the patient, very positive effect is arranged for patient's recovery.But present tubular type binding appearance also is not to be well suited for Minimally Invasive Surgery.As shown in Figure 1; Because pushing slice of nail 6 can move with respect to nail tube 1; And anvil pull rod 5 can move with respect to centre bore pipe 4; Therefore there is bigger space each other in they, and gas can pass the hollow that this space enters into connection tube 3, after the body of Binding Instrument to escape into the patient external.Because behind escape of gas, in-vivo tissue returns to the state of mutual applying again, therefore cause greatly inconvenience for Minimally Invasive Surgery.Existing way is, opens an aperture on one's body in addition the patient, in the process of operation, ceaselessly in patient's body, inflates.Such way consumption wealth, consumption power are not ways of dealing with problems for a long time.Therefore, provide a good sealing performance tubular type binding appearance to become the technical barrier that presses for solution.
Summary of the invention
The objective of the invention is to solve above-mentioned technical problem, provide a kind of good sealing performance surgical operation to use the tubular type binding appearance.
The object of the invention is realized through following technical scheme:
A kind of tubular type binding appearance that is used for Minimally Invasive Surgery; Comprise the nail bin, nail tube and the hollow connection tube that are mutually permanently connected; Said nail tube inside is provided with pushing slice of nail movably; Have in the centre bore pipe of an anvil pull rod on being located at said nail tube and move, said tubular type binding appearance also comprises a sealing gasket, and it is inner that said sealing gasket is arranged at the nail tube; And be socketed on the said centre bore pipe, said sealing gasket comprises the disc and the torus that is used to seal the space between anvil pull rod and the centre bore pipe that are used to seal the space between nail tube and the pushing slice of nail.
Further, the bottom surface of said disc is closely attached on the inner reinforcement surface of said nail tube.Said disc is provided with one group and is used for the hole that said pushing slice of nail passes through, and is interference fits between said hole and the pushing slice of nail.The end face of said disc has extended upward a torus, and said toric external diameter is less than the external diameter of disc.Said disc and toric internal diameter equate, both inner surfacies and said centre bore pipe interference fit.
Again further, a said toric end away from disc is extended with an annular chimb to circle ring center, said chimb and anvil pull rod interference fits.The inner ring surface of said chimb is an arc, and said chimb is that point contacts with anvil pull rod.The inner surface of said chimb is close to the end face of said centre bore pipe.Perhaps, the inner ring surface indention of said chimb.
Further, said sealing gasket is a rubber parts.
Beneficial effect of the present invention is mainly reflected in: the sealing of tubular type binding appearance is better, can be applicable to Minimally Invasive Surgery well, and simple in structure, easy for installation.
Description of drawings
Below in conjunction with accompanying drawing technical scheme of the present invention is described further:
Fig. 1: the sketch map of the crimp head of the tubular type binding appearance of prior art, wherein indicated the escape direction of gas.
Fig. 2: the sketch map of the crimp head of tubular type binding appearance of the present invention.
Fig. 3: the front view of sealing gasket of the present invention.
Fig. 4: along the cutaway view of A-A direction among Fig. 3.
Fig. 5: the sketch map of second embodiment of chimb.
Wherein:
1 nail tube, 2 nail bins, 3 connection tubes
4 centre bore pipes, 5 anvil pull rod, 6 pushing slice of nail
7 connectors, 8 circular holes, 9 sealing gaskets
91 discs, 92 bottom surfaces, 10 reinforcements surface
93 end faces, 94 holes, 95 torus
96 inwalls, 97 chimbs, 98 inner surfacies
The specific embodiment
As shown in Figure 1, existing tubular type binding appearance comprises nail bin 2, nail tube 1 and the hollow connection tube 3 that is mutually permanently connected successively.Said nail tube 1 comprises that one is used to accommodate the circular hole 8 by resection organization, and a centre bore that links with said circular hole 8, and this centre bore is formed by the hollow bulb of the centre bore pipe 4 of being located at nail tube 1 inside.Said nail tube 1 inside is provided with pushing slice of nail 6 movably, has an anvil pull rod 5 in said centre bore pipe 4, to move.Because existing tubular type binding appearance poor sealing; Therefore after gas gets into from circular hole 8; Can flow along the direction of arrow among Fig. 1; Gap, anvil pull rod 5 through pushing slice of nail 6 and nail tube 1 enter into the hollow of connection tube 3 with the gap of centre bore pipe 4, because the connector 7 and the gap between the connection tube 3 that are arranged in the connection tube 3 movably are also very big, so gas escapes into atmosphere after entering into the body (not shown) of tubular type binding appearance via connection tube 3 again.
Given this, the present invention has disclosed a kind of good sealing performance tubular type binding appearance, and is as shown in Figure 2; Said tubular type binding appearance also comprises a sealing gasket 9; Said sealing gasket 9 is arranged at nail tube 1 inside, and is socketed on the said centre bore pipe 4, and the one of which side is close on the reinforcement surface 10 of nail tube.Said sealing gasket 9 is a plastic, is advisable with rubber parts.
In conjunction with Fig. 3 and shown in Figure 4, said sealing gasket 9 is made up of a disc 91 and a torus 95.Said disc 91 comprises a bottom surface 92 and an end face 93, and said bottom surface 92 is closely attached on the inner reinforcement surface 10 of said nail tube.Said disc 91 is provided with one group and is used for the hole 94 that said pushing slice of nail passes through, and is interference fits between said hole 94 and the pushing slice of nail 6.The reason that is provided with like this is in order to reach an equilibrium point, to guarantee that promptly moving of pushing slice of nail 6 is not limited, having accomplished the sealing between pushing slice of nail 6 and the nail tube 1 again well.
The end face 93 of said disc 91 has extended upward a torus 95, and the external diameter of said torus 95 is less than the external diameter of disc 91.The internal diameter of said disc 91 and torus 95 equates that both inner surface 96 and said centre bore pipe 4 interference fit guarantee that sealing gasket 9 links together with centre bore pipe 4 tightly.
End away from disc of said torus 95 is extended with an annular chimb 97 to circle ring center, and the inner surface 98 of this chimb is close to the end face of said centre bore pipe 4.Said chimb 97 and anvil pull rod 5 interference fits, the reason that is provided with like this are in order to guarantee that promptly moving of anvil pull rod 5 is not limited, and accomplished the sealing between anvil pull rod 5 and the centre bore pipe 4 again well.Further, the inner ring surface of said chimb 97 is an arc, makes said chimb 97 and anvil pull rod 5 approach to contact, and can make above-mentioned purpose reach ultimate attainment like this.Perhaps as shown in Figure 5, the inner ring surface indention of said chimb 97 can be pressed on the said anvil pull rod 5 with its sawtooth top of anvil pull rod 5 interference fits, reaches sealing and the little effect of frictional force.
The present invention still has multiple sealing means, and all employings are equal to replacement or equivalent transformation and all technical schemes of forming all drop within the scope of requirement protection of the present invention.
Claims (5)
1. tubular type binding appearance that is used for Minimally Invasive Surgery; Comprise the nail bin, nail tube and the hollow connection tube that are mutually permanently connected; Said nail tube inside is provided with pushing slice of nail movably; Have in the centre bore pipe of an anvil pull rod on being located at said nail tube and move, it is characterized in that: said tubular type binding appearance also comprises a sealing gasket, and it is inner that said sealing gasket is arranged at the nail tube; And be socketed on the said centre bore pipe, said sealing gasket comprises the disc and the torus that is used to seal the space between anvil pull rod and the centre bore pipe that are used to seal the space between nail tube and the pushing slice of nail; The bottom surface of said disc is closely attached on the inner reinforcement surface of said nail tube; Said disc is provided with one group and is used for the hole that said pushing slice of nail passes through, and is interference fits between said hole and the pushing slice of nail; The end face of said disc has extended upward a torus, and said toric external diameter is less than the external diameter of disc; Said disc and toric internal diameter equate, both inner surfacies and said centre bore pipe interference fit; A said toric end away from disc is extended with an annular chimb to circle ring center, said chimb and anvil pull rod interference fits.
2. the tubular type binding appearance that is used for Minimally Invasive Surgery according to claim 1 is characterized in that: the inner ring surface of said chimb is an arc, and said chimb is that point contacts with anvil pull rod.
3. the tubular type binding appearance that is used for Minimally Invasive Surgery according to claim 2, it is characterized in that: the inner surface of said chimb is close to the end face of said centre bore pipe.
4. the tubular type binding appearance that is used for Minimally Invasive Surgery according to claim 1 is characterized in that: the inner ring surface indention of said chimb.
5. the tubular type binding appearance that is used for Minimally Invasive Surgery according to claim 1 is characterized in that: said sealing gasket is a rubber parts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200910205053 CN102048569B (en) | 2009-10-27 | 2009-10-27 | Circular-pipe binding instrument for minimally invasive surgery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200910205053 CN102048569B (en) | 2009-10-27 | 2009-10-27 | Circular-pipe binding instrument for minimally invasive surgery |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102048569A CN102048569A (en) | 2011-05-11 |
| CN102048569B true CN102048569B (en) | 2012-09-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200910205053 Active CN102048569B (en) | 2009-10-27 | 2009-10-27 | Circular-pipe binding instrument for minimally invasive surgery |
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Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102949222B (en) * | 2011-08-24 | 2015-08-19 | 苏州天臣国际医疗科技有限公司 | Guide |
| CN102949221B (en) * | 2011-08-24 | 2015-09-02 | 苏州天臣国际医疗科技有限公司 | guide appendages |
| ES2703925T3 (en) | 2011-08-24 | 2019-03-13 | Suzhou Touchstone Int Medical Science Co Ltd | Guidance device |
| US9629634B2 (en) | 2011-08-24 | 2017-04-25 | Suzhou Touchstone International Medical Science Co., Ltd. | Introducer accessory |
| CN103083084B (en) * | 2011-11-07 | 2015-03-04 | 苏州天臣国际医疗科技有限公司 | Guiding piece |
| CN103083055A (en) * | 2011-11-07 | 2013-05-08 | 苏州天臣国际医疗科技有限公司 | Guide accessory |
| CN103156664B (en) * | 2012-12-28 | 2015-08-19 | 苏州天臣国际医疗科技有限公司 | Guiding device |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5205459A (en) * | 1991-08-23 | 1993-04-27 | Ethicon, Inc. | Surgical anastomosis stapling instrument |
| CN1868412A (en) * | 2005-05-24 | 2006-11-29 | 苏州天臣国际医疗科技有限公司 | Round tube type external binding apparatus |
| CN201208273Y (en) * | 2008-06-17 | 2009-03-18 | 常州市三联星海医疗器械制造有限公司 | Disposable tube shaped anastomat sealing device |
| CN201542673U (en) * | 2009-10-27 | 2010-08-11 | 苏州天臣国际医疗科技有限公司 | Circular tube type binding instrument for minimally invasive surgery |
-
2009
- 2009-10-27 CN CN 200910205053 patent/CN102048569B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5205459A (en) * | 1991-08-23 | 1993-04-27 | Ethicon, Inc. | Surgical anastomosis stapling instrument |
| CN1868412A (en) * | 2005-05-24 | 2006-11-29 | 苏州天臣国际医疗科技有限公司 | Round tube type external binding apparatus |
| CN201208273Y (en) * | 2008-06-17 | 2009-03-18 | 常州市三联星海医疗器械制造有限公司 | Disposable tube shaped anastomat sealing device |
| CN201542673U (en) * | 2009-10-27 | 2010-08-11 | 苏州天臣国际医疗科技有限公司 | Circular tube type binding instrument for minimally invasive surgery |
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| Publication number | Publication date |
|---|---|
| CN102048569A (en) | 2011-05-11 |
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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. |
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