CN103083084A - Guiding piece - Google Patents
Guiding piece Download PDFInfo
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- CN103083084A CN103083084A CN2011103475776A CN201110347577A CN103083084A CN 103083084 A CN103083084 A CN 103083084A CN 2011103475776 A CN2011103475776 A CN 2011103475776A CN 201110347577 A CN201110347577 A CN 201110347577A CN 103083084 A CN103083084 A CN 103083084A
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- Prior art keywords
- guiding piece
- guiding
- guide portion
- tear tape
- stay cord
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Abstract
The invention provides a guiding piece connected onto a tubular stapler in a matched mode. The guiding piece comprises a sleeve portion and a guiding portion. The outer sides of the guiding portion and the sleeve portion are in smooth transition, and the insides of the guiding portion and the sleeve portion are of a hollow structure. The outer side of the guiding piece is in a shape of a frustum with a smaller far end and a larger near end. At least one tearing strip arranged along the axial direction of the guiding portion is arranged on a wall of the guiding portion. When the tearing strip is stressed by pull rope force, the tearing strip is separated along the axial direction of the guiding portion, and the guiding portion forms a notch with the size corresponding to the tearing strip. The guiding piece has the advantage that under the effect of a pull rope, the tearing strip is peeled out of the guiding portion, a far end of the guiding portion can be opened outwards, and the guiding piece finishing guiding can exit from the periphery of the tubular stapler. Due to the fact that the guiding portion is a complete portion during guiding, enough strength is obtained, and a guiding function can be achieved well.
Description
Technical field
The present invention relates to a kind of surgical attachment of tubular binding strument, relate in particular to a kind of guiding piece of tubular binding strument.
Background technology
Tubular binding strument is a kind of surgical instruments that tubular type is organized seaming and cutting operations that is widely used in, and is comprised of nail-head component and the percussion assembly of circle; The tubular type tissue that two sections needs are coupled together is placed between the nail anvil and nail bin of nail-head component, adjusts the distance of nail anvil and nail bin and comes grip tissue gradually, and then operation percussion assembly is shaped nail, completes the connection of two sections tissues.
In the operation technique of reality, there is the tubular binding strument of two kinds of operations to enter pipeline more difficult, be respectively low rectal operation and gastric bypass operation.The first low rectal operation, employing be that diameter is the tubular binding strument of 33 millimeters, need per anum to perform the operation, because anus is a flesh opening, its diameter of normal condition is less, the apparatuses of 33 millimeters is inserted into anus more difficult.The second gastric bypass operation, what adopt is that diameter is the tubular binding strument of 25 millimeters, need enter small intestinal performs the operation, small intestinal is the digester tube of human body, inwall has a lot of mucosas, and tubular binding strument is larger due to end face, and sufficiently oily due to the reasons in structure surface, walks in small intestinal easily to the mucosa injury.
The prior art that addresses the above problem at present is a kind of assistive device that is set in tubular binding strument nail bin groupware periphery that U.S. Patent application US2009020410 discloses, nail bin groupware that can the tubular Binding Instrument of aimming circle enters human body and passes intestinal, and can lay down this assistive device from nail bin groupware after it arrives the precalculated position of performing the operation, do not affect the subsequent operation of tubular binding strument.This assistive device can help the doctor that nail bin groupware is successfully put into preposition, but this assistive device is more expensive at present, can't be offered widely Chinese market.
Summary of the invention
The object of the invention is to solve above-mentioned technical problem, a kind of simple in structure, easy to operate guiding piece is provided.
Purpose of the present invention is achieved through the following technical solutions:
A kind of guiding piece is coupled on tubular binding strument, and described tubular binding strument comprises nail-anvil assembly and the nail bin groupware that is oppositely arranged; Described nail bin groupware comprises nail barrel and the nail bin that interfixes,
Described guiding piece comprises be used to the sleeved part outside the nail bin groupware that is sheathed on described tubular binding strument, and the guide portion of being located at described sleeved part far-end;
Seamlessly transit outside described guide portion and sleeved part, inside is hollow structure;
The outside of described guide portion is large round table-like of the little near-end of far-end;
The wall of described guide portion is provided with at least one tear tape that axially arranges along described guide portion, and during original state, described tear tape and guide portion are a complete integral body; After described tear tape was stressed, described tear tape was along the axial separation of described guide portion and make described guide portion form a size breach suitable with described tear tape;
One end of described tear tape is the force side, fixes with a stay cord.
Preferably, during original state, between all the other positions of described tear tape and guide portion, dowel is arranged.
Preferably, the proximal extension of described tear tape is to described sleeved part.
Preferably, described guiding piece is provided with four tear tapes of symmetry in twos.
Preferably, the two ends of described stay cord are fixed with the force side of two adjacent tear tapes respectively.
Preferably, the stiff end of described stay cord and the force side of tear tape are fixed, and the movable end of described stay cord passes the outside that the lacing hole of being located at described guiding piece near-end is placed on described guiding piece.
Preferably, the inwall of described guiding piece is provided with four ring platforms, and described stay cord passes the ring platform.
Beneficial effect of the present invention is mainly reflected in: under the effect of stay cord, tear tape is stripped from described guide portion, and the far-end of described guide portion can outwards be opened, and the guiding piece of having completed guiding function is withdrawed from from the periphery of tubular binding strument at an easy rate.And, because guide portion is a complete position, therefore have again enough intensity when guiding, can realize well guiding function.
Description of drawings
Below in conjunction with accompanying drawing, technical solution of the present invention is described further:
Fig. 1: front view of the present invention.
Fig. 2: left view of the present invention.
Fig. 3: in Fig. 3 along the cutaway view of A-A direction.
Fig. 4: upward view of the present invention.
The specific embodiment
The present invention has disclosed a kind of assistive device of tubular binding strument, especially a kind ofly enters guiding piece in body for the guiding tubular binding strument.The tubular binding strument of prior art comprises nail-anvil assembly, the nail bin groupware that is oppositely arranged, and the pipe that is fixed in described nail bin groupware near-end; Described nail bin groupware comprises nail barrel and the nail bin that interfixes.
In the first embodiment as shown in Figures 1 to 4, described guiding piece comprises: for the sleeved part 1 outside the nail bin groupware that is sheathed on described tubular binding strument, and the guide portion 2 of being located at described sleeved part 1 far-end 10.
Described sleeved part 1 is cylindrical shape, and its internal diameter is greater than the external diameter of described nail barrel, and whole like this guiding piece can be set in the outside of nail barrel at an easy rate.
Described guide portion 2 and sleeved part 1 outside seamlessly transit, and inside is hollow structure; The outside of described guide portion 2 is large round table-like of the little near-end of far-end; The wall of described guide portion 2 is provided with at least one tear tape 3 that axially arranges along described guide portion.Certainly, the near-end of described tear tape 3 may extend to described sleeved part 1, and namely this tear tape 3 can only be located at described guide portion 2, also can wherein have long part to extend to sleeved part 1.Between all the other positions of described tear tape 3 and guide portion 2, dowel is arranged.Described dowel is a narrow and little plastic parts, is similar to beverage bottle cap, is easy to be torn.During original state, described tear tape 3 is the part of complete guide portion 2; After described tear tape 3 was stressed, described tear tape 3 was along the axial separation of described guide portion 2 and make described guide portion 2 form size breach suitable with described tear tape 3.
In this preferred embodiment, described guiding piece is provided with four tear tapes 3 of symmetry in twos.The far-end of each tear tape 3 is the force side, fixes with a stay cord 4.The two ends of described stay cord 4 are fixed with the force side of two adjacent tear tapes 3 respectively, form the stiff end 41 of stay cord, and the movable end 42 of described stay cord 4 passes the outside that the lacing hole 7 of being located at described guiding piece near-end is placed on described guiding piece near-end 20.Namely two of a complete stay cord 4 ends are the fixing stiff end 41 of tear tape, and the middle part of stay cord 4 is movable end of the present invention.
In this preferred embodiment, the inwall 5 of described guiding piece 1 is provided with four ring platforms 6, and described stay cord 4 passes ring platform 6.Ring platform 6 mainly contains two effects, and the one, described guiding piece is stuck on the nail bin of tubular binding strument more securely, the 2nd, stay cord 4 and tear tape 3 are torn along the tear tape trend of subscribing.
The embodiment of the present invention first is enclosed within guiding piece the outside of nail bin groupware in when operation, and the structure guiding tubular binding strument by its truncated cone-shaped enters the surgery location in human body; Then pull traction piece by stay cord 4, tear tape 3 is stripped from described guide portion 2, the far-end of described guide portion can outwards be enlarged, the guiding piece of having completed guiding function is withdrawed from from the periphery of tubular binding strument at an easy rate.And, because guide portion 2 is complete positions, therefore have again enough intensity when guiding, can realize well guiding function.
The present invention still has multiple concrete embodiment, is equal to replacement or equivalent transformation and all technical schemes of forming, within all dropping on the scope of protection of present invention.
Claims (7)
1. a guiding piece, be coupled on tubular binding strument, and described tubular binding strument comprises nail-anvil assembly and the nail bin groupware that is oppositely arranged; Described nail bin groupware comprises nail barrel and the nail bin that interfixes,
It is characterized in that:
Described guiding piece comprises be used to the sleeved part outside the nail bin groupware that is sheathed on described tubular binding strument, and the guide portion of being located at described sleeved part far-end;
Seamlessly transit outside described guide portion and sleeved part, inside is hollow structure;
The outside of described guide portion is large round table-like of the little near-end of far-end;
The wall of described guide portion is provided with at least one tear tape that axially arranges along described guide portion, and during original state, described tear tape and guide portion are a complete overall structure; After described tear tape was stressed, described tear tape was along the axial separation of described guide portion and make described guide portion form a size breach suitable with described tear tape;
One end of described tear tape is the force side, fixes with a stay cord.
2. guiding piece according to claim 1, is characterized in that: during original state, between all the other positions of described tear tape and guide portion, dowel is arranged.
3. guiding piece according to claim 1 is characterized in that: the proximal extension of described tear tape is to described sleeved part.
4. guiding piece according to claim 1 is characterized in that: described guiding piece is provided with four symmetrical tear tapes in twos.
5. guiding piece according to claim 4 is characterized in that: the two ends of described stay cord are fixed with the force side of two adjacent tear tapes respectively.
6. guiding piece according to claim 5, it is characterized in that: the stiff end of described stay cord and the force side of tear tape are fixed, and the movable end of described stay cord passes the outside that the lacing hole of being located at described guiding piece near-end is placed on described guiding piece.
7. guiding piece according to claim 6 is characterized in that: the inwall of described guiding piece is provided with four ring platforms, and described stay cord passes the ring platform.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110347577.6A CN103083084B (en) | 2011-11-07 | 2011-11-07 | Guiding piece |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110347577.6A CN103083084B (en) | 2011-11-07 | 2011-11-07 | Guiding piece |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103083084A true CN103083084A (en) | 2013-05-08 |
| CN103083084B CN103083084B (en) | 2015-03-04 |
Family
ID=48196581
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110347577.6A Active CN103083084B (en) | 2011-11-07 | 2011-11-07 | Guiding piece |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103083084B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2008089404A2 (en) * | 2007-01-19 | 2008-07-24 | Synovis Life Technologies, Inc. | Circular stapler anvil introducer |
| CN201481478U (en) * | 2009-04-24 | 2010-05-26 | 中国人民解放军第三军医大学第一附属医院 | Postoperative urethral anastomosis guider |
| CN102048569A (en) * | 2009-10-27 | 2011-05-11 | 苏州天臣国际医疗科技有限公司 | Circular-pipe binding instrument for minimally invasive surgery |
| US20110114697A1 (en) * | 2009-11-19 | 2011-05-19 | Ethicon Endo-Surgery, Inc. | Circular stapler introducer with multi-lumen sheath |
| US20110248067A1 (en) * | 2010-04-08 | 2011-10-13 | Hidehisa Thomas Takei | Introducer System and Assembly For Surgical Staplers |
| CN202313726U (en) * | 2011-11-07 | 2012-07-11 | 苏州天臣国际医疗科技有限公司 | Guide member |
-
2011
- 2011-11-07 CN CN201110347577.6A patent/CN103083084B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2008089404A2 (en) * | 2007-01-19 | 2008-07-24 | Synovis Life Technologies, Inc. | Circular stapler anvil introducer |
| CN201481478U (en) * | 2009-04-24 | 2010-05-26 | 中国人民解放军第三军医大学第一附属医院 | Postoperative urethral anastomosis guider |
| CN102048569A (en) * | 2009-10-27 | 2011-05-11 | 苏州天臣国际医疗科技有限公司 | Circular-pipe binding instrument for minimally invasive surgery |
| US20110114697A1 (en) * | 2009-11-19 | 2011-05-19 | Ethicon Endo-Surgery, Inc. | Circular stapler introducer with multi-lumen sheath |
| US20110248067A1 (en) * | 2010-04-08 | 2011-10-13 | Hidehisa Thomas Takei | Introducer System and Assembly For Surgical Staplers |
| CN202313726U (en) * | 2011-11-07 | 2012-07-11 | 苏州天臣国际医疗科技有限公司 | Guide member |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103083084B (en) | 2015-03-04 |
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| PB01 | Publication | ||
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| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
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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: 3, 21A, 215021 international science and Technology Park, 1355 Jinji Lake Avenue, Suzhou City, Jiangsu Province Patentee before: TOUCHSTONE INTERNATIONAL MEDICAL SCIENCE Co.,Ltd. |