CN103156663A - Guiding device and a circular tube type binding device with the same - Google Patents
Guiding device and a circular tube type binding device with the same Download PDFInfo
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- CN103156663A CN103156663A CN2012105821918A CN201210582191A CN103156663A CN 103156663 A CN103156663 A CN 103156663A CN 2012105821918 A CN2012105821918 A CN 2012105821918A CN 201210582191 A CN201210582191 A CN 201210582191A CN 103156663 A CN103156663 A CN 103156663A
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- guiding device
- guide part
- groove
- location division
- spiral
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Abstract
The invention provides a guiding device and a circular tube type binding device with the same. The guiding device is provided with a guiding part and a positioning part which are integrally arranged, wherein the guiding part is provided with a smooth first outer surface with a guiding-in function, a hollow first cavity and a first inner surface exposed in the first cavity, and the outer contour of the guiding part is in a contracting shape from a near end to a far end. The positioning part is connected in the first cavity, the first inner surface is provided with a spiral first groove, a second inner surface is provided with a spiral second groove, the guiding part can be dragged to be gradually disassembled in a spiral shape along the first groove, and the positioning part can be dragged to be gradually disassembled in a spiral shape along the second groove. The guiding device has the advantages that the guiding part and the positioning part are integrally arranged, the guiding device can be disassembled to be in a strip shape and dragged out of the circular tube type binding device in one time, and operation is convenient.
Description
Technical field
The present invention relates to a kind of guiding device and have the tubular binding strument of this guiding device, belong to technical field of medical instruments.
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 nail bins, need per anum to perform the operation.Because anus is a flesh opening, its diameter of normal condition is less, the major diameter apparatus is inserted into anus more difficult.The second gastric bypass operation, employing be that diameter is the tubular binding strument of 25 millimeters nail bins, need enter small intestinal and perform the operation.Be the digester tube of human body due to small intestinal, 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 the several assistive device that is set in tubular binding strument nail bin groupware periphery that the open US 2009/0204108A1 of United States Patent (USP) and US 2011/0114698A1 disclose, nail bin groupware that can the tubular Binding Instrument of aimming circle enters human body and passes intestinal, can lay down this assistive device from nail bin groupware after it arrives the precalculated position of performing the operation, not affect the subsequent operation of tubular binding strument.These assistive devices can help the doctor that the head of nail bin groupware Binding Instrument is successfully put into preposition, but this assistive device need use larger power to tear hauling-out at present, and easily accidental injury tissue and experience are not good.
Summary of the invention
The object of the present invention is to provide a kind of easy to operate guiding device and have the tubular binding strument of this guiding device.
For achieving the above object, the present invention adopts following technical scheme: a kind of guiding device, on the nail barrel that is installed on tubular binding strument, described guiding device comprises guide part and the location division of whole installation, described guide part is provided with the first cavity of the first outer surface smooth, that can play import feature, hollow and is exposed to the first interior inner surface of described the first cavity, and the outline of described guide part is contraction-like from near-end towards far-end; Described location division is connected in described the first cavity, and described location division is provided with the second cavity of the second outer surface, hollow and is exposed to the second interior inner surface of described the second cavity; Described the first inner surface is provided with spiral helicine the first groove, described the second inner surface is provided with spiral helicine the second groove, described guide part can be pulled and disintegrate in the shape of a spiral gradually along the first groove, and described location division can be pulled and disintegrate in the shape of a spiral gradually along the second groove.
As further improved technical scheme of the present invention: described guiding device is provided with the connecting portion that is positioned at described guide part and junction, location division, and described guide part and location division begin to disintegrate simultaneously from this connecting portion under traction.
As further improved technical scheme of the present invention: described spiral the first groove has identical pitch with the second groove.
As further improved technical scheme of the present invention: described spiral the first groove has the identical hand of spiral with the second groove.
As further improved technical scheme of the present invention: described guide part is provided with the traction piece that is positioned at its top, described traction piece passes the first cavity and the second cavity is drawn by described near-end, disintegrates under described traction piece dilatory in the shape of a spiral in described guide part and location division.
As further improved technical scheme of the present invention: the depths of described the first groove is near described the first outer surface, and the depths of described the second groove is near described the second outer surface.
As further improved technical scheme of the present invention: described the first outer surface and described the second outer surface are all complete.
As further improved technical scheme of the present invention: described the first outer surface is taper shape or circular arc, and described the second outer surface is cylindrical shape, and described location division protrudes from described guide part from described near-end.
As further improved technical scheme of the present invention: described guide part is provided with the bump structure that is positioned at described near-end, and described location division extends beyond described bump structure, and described bump structure is in order to be installed in hole corresponding to described tubular binding strument.
The present invention also provides a kind of tubular binding strument, it comprises nail barrel, be installed on nail bin and anvil pull rod in nail barrel, be installed in described nail barrel and the annular cutting knife between described nail bin and anvil pull rod and be mounted to guiding device on nail barrel, described guiding device is above-mentioned guiding device, described location division is inserted in described nail barrel, and described guide part protrudes from described nail barrel.
Compared with prior art, the present invention is with described guide part and described location division whole installation, and this guiding device can be disintegrated into strips and be drawn out of once in tubular binding strument, and is easy to operate.
Description of drawings
Fig. 1 is the generalized section that the tubular binding strument of guiding device is not equipped with in the present invention.
Fig. 2 is the cutaway view of guiding device of the present invention.
The specific embodiment
The present invention is described in detail below in conjunction with each embodiment shown in the drawings; but should be noted that; these embodiments are not limitation of the present invention; those of ordinary skills are according to these embodiments institutes work energy, method or structural equivalent transformation or substitute, within all belonging to protection scope of the present invention.
Shown in please refer to the drawing 1, what Fig. 1 showed is a kind of tubular binding strument 100 that guiding device is not housed.Described tubular binding strument 100 comprises nail barrel 11, is installed on nail barrel 11 interior nail bin 12 and anvil pull rod 13, is installed in described nail barrel 11 and the annular cutting knife 14 between described nail bin 12 and anvil pull rod 13.Described tubular binding strument 100 and tubular binding strument similar of the prior art, not superfluous herein.
Shown in please refer to the drawing 2, Fig. 2 has disclosed a kind of guiding device 200 in the embodiment of the present invention.Described guiding device 200 is removably installed on described nail barrel 11, the effect that enters human body and can not damage tissue to play the described tubular binding strument 100 of guiding.On structure, described guiding device 200 comprises guide part 2 and the location division 3 of whole installation, and namely described guide part 2 forms as one with location division 3.Described location division 3 is in order to support described guide part 2.During installation, described location division 3 is in order to be inserted in described nail barrel 11, and described guide part 2 protrudes from described nail barrel 11.
Described guide part 2 is provided with the first cavity 22 of the first outer surface 21 smooth, that can play import feature, hollow and is exposed to described first the first interior inner surface 23 of cavity 22.The outline of described guide part 2 is contraction-like from near-end towards far-end.Described the first outer surface 21 is level and smooth taper shape or circular arc, thereby is convenient to guide described tubular binding strument 100 enter human body and can not damage tissue.In addition, described the first outer surface 21 is that complete being beneficial to provides enough intensity, is unlikely to cave in importing process.Preferably, the not obvious maximum outside diameter that surpasses described nail barrel 11 of the maximum outside diameter of described guide part 2, even so also can obviously not increase the external diameter of tubular binding strument 100 when described guide part 2 is contained on described tubular binding strument 100, thereby can not increase patient's misery when tubular binding strument 100 inserts human body.
Described the first inner surface 23 is provided with spiral helicine the first groove 231, and the depths of described the first groove 231 is near described the first outer surface 21, thereby makes become very thin of the wall thickness of guide part 2.The tear trace that described the first groove 231 provides for tearing described guide part 2 in fact exactly.Described guide part 2 can be pulled and disintegrate in the shape of a spiral gradually along the first groove 231, so that take out described guide part 2.
In addition, described guide part 2 is provided with the bump structure 24 that is positioned at described near-end, and described bump structure 24 is in order to be installed in hole corresponding to described tubular binding strument (for example being arranged at the hole on nail bin 12).
Described location division 3 is connected in described the first cavity 22.Described location division 3 is provided with the second cavity 32 of the second outer surface 31, hollow and is exposed to described second the second interior inner surface 33 of cavity 32.Described the second outer surface 31 is that cylindrical shape is so that be inserted in described nail barrel 11.In addition, described the second outer surface 31 is that complete being beneficial to provides enough intensity.Described location division 3 protrudes from described guide part 2 from described near-end, and described location division 3 extends beyond described bump structure 24.
Described the second inner surface 33 is provided with spiral helicine some the second grooves 331, and the depths of described the second groove 331 is near described the second outer surface 31, thereby makes become very thin of the wall thickness of location division 3.The tear trace that described the second groove 331 provides for tearing described location division 3 in fact exactly, described location division 3 can be pulled and disintegrate in the shape of a spiral gradually along described the second groove 331, so that take out described location division 3.
Preferably, described guide part 2 is provided with the traction piece 25 that is positioned at its top, and described traction piece 25 passes the first cavity 22 and the second cavity 32 is drawn by described near-end, disintegrates under described traction piece 25 dilatory in the shape of a spiral in described guide part 2 and location division 3.In addition, described tubular binding strument 100 is provided with at least one bullport (not shown) that is exposed to the outside, passes for described traction piece 25.When guiding device 200 is arranged on described nail barrel 11, after described tubular binding strument 100 was imported tissues, it is outer so that operation that the end of described traction piece 25 is positioned at tissue.
Described spiral the first groove 231 has identical pitch, i.e. G1=G2 with the second groove 331.Described spiral the first groove 231 has the identical hand of spiral with the second groove 331.Described guiding device 200 is provided with the connecting portion 26 that is positioned at described guide part 2 and 3 junctions, location division, disintegrates simultaneously from these connecting portion 26 beginnings under the traction of described traction piece 25 in described guide part 2 and location division 3.
During use, at first the guiding device 200 of this preferred embodiment is socketed in the far-end (near the position of anvil pull rod 13) of tubular binding strument 100, then will guide tubular binding strument 100 to enter in human body, the end of traction piece 25 exposes for outside human body after passing bullport at this moment.After guiding tubular binding strument 100 arrives the precalculated position, thereby by pullling outside traction piece 25, described guide part 2 is first disintegrated; When the position of described connecting portion 26 was arrived in described guide part 2 disintegration, disintegrated simultaneously from these connecting portion 26 beginnings subsequently in described guide part 2 and location division 3, not only easy to operate, and can extract fast described guiding device 200 out.Finally, described guiding device 200 forms the strip body and is drawn out of outside tubular binding strument 100 from described bullport once.
To those skilled in the art, obviously the invention is not restricted to the details of above-mentioned one exemplary embodiment, and in the situation that do not deviate from spirit of the present invention or basic feature, can realize the present invention with other concrete form.Therefore, no matter from which point, all should regard embodiment as exemplary, and be nonrestrictive, scope of the present invention is limited by claims rather than above-mentioned explanation, therefore is intended to include in the present invention dropping on the implication that is equal to important document of claim and all changes in scope.Any Reference numeral in claim should be considered as limit related claim.
In addition, be to be understood that, although this description is described according to embodiment, but be not that each embodiment only comprises an independently technical scheme, this narrating mode of description is only for clarity sake, those skilled in the art should make description as a whole, and the technical scheme in each embodiment also can through appropriate combination, form other embodiments that it will be appreciated by those skilled in the art that.
Claims (10)
1. guiding device, on the nail barrel that is installed on tubular binding strument, it is characterized in that: described guiding device comprises guide part and the location division of whole installation, described guide part is provided with the first cavity of the first outer surface smooth, that can play import feature, hollow and is exposed to the first interior inner surface of described the first cavity, and the outline of described guide part is contraction-like from near-end towards far-end; Described location division is connected in described the first cavity, and described location division is provided with the second cavity of the second outer surface, hollow and is exposed to the second interior inner surface of described the second cavity; Described the first inner surface is provided with spiral helicine the first groove, described the second inner surface is provided with spiral helicine the second groove, described guide part can be pulled and disintegrate in the shape of a spiral gradually along the first groove, and described location division can be pulled and disintegrate in the shape of a spiral gradually along the second groove.
2. guiding device according to claim 1, it is characterized in that: described guiding device is provided with the connecting portion that is positioned at described guide part and junction, location division, and described guide part and location division begin to disintegrate simultaneously from this connecting portion under traction.
3. guiding device according to claim 2, it is characterized in that: described spiral the first groove has identical pitch with the second groove.
4. guiding device according to claim 2, it is characterized in that: described spiral the first groove has the identical hand of spiral with the second groove.
5. guiding device according to claim 2, it is characterized in that: described guide part is provided with the traction piece that is positioned at its top, described traction piece passes the first cavity and the second cavity is drawn by described near-end, disintegrates under described traction piece dilatory in the shape of a spiral in described guide part and location division.
6. guiding device according to claim 1, is characterized in that: close described the first outer surface in the depths of described the first groove, close described the second outer surface in the depths of described the second groove.
7. guiding device according to claim 6, it is characterized in that: described the first outer surface and described the second outer surface are all complete.
8. guiding device according to claim 1, it is characterized in that: described the first outer surface is taper shape or circular arc, and described the second outer surface is cylindrical shape, and described location division protrudes from described guide part from described near-end.
9. guiding device according to claim 8, it is characterized in that: described guide part is provided with the bump structure that is positioned at described near-end, described location division extends beyond described bump structure, and described bump structure is in order to be installed in hole corresponding to described tubular binding strument.
10. tubular binding strument, it comprises nail barrel, be installed on nail bin and anvil pull rod in nail barrel, be installed in described nail barrel and the annular cutting knife between described nail bin and anvil pull rod and be mounted to guiding device on nail barrel, it is characterized in that: described guiding device is the described guiding device of any one in claim 1 to 9, described location division is inserted in described nail barrel, and described guide part protrudes from described nail barrel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210582191.8A CN103156663B (en) | 2012-12-28 | 2012-12-28 | Guiding device and a circular tube type binding device with the same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210582191.8A CN103156663B (en) | 2012-12-28 | 2012-12-28 | Guiding device and a circular tube type binding device with the same |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103156663A true CN103156663A (en) | 2013-06-19 |
| CN103156663B CN103156663B (en) | 2015-03-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210582191.8A Active CN103156663B (en) | 2012-12-28 | 2012-12-28 | Guiding device and a circular tube type binding device with the same |
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| CN (1) | CN103156663B (en) |
Citations (9)
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| CN2692899Y (en) * | 2004-02-26 | 2005-04-13 | 台湾翔登股份有限公司 | Improvement of supporting core band structure for cooling shrink pipe |
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| CN102843977A (en) * | 2009-11-19 | 2012-12-26 | 伊西康内外科公司 | Circular stapler introducer with rigid cap assembly configured for easy removal |
| CN203029313U (en) * | 2012-12-28 | 2013-07-03 | 苏州天臣国际医疗科技有限公司 | Guiding device and pipe-type binding instrument with same |
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2012
- 2012-12-28 CN CN201210582191.8A patent/CN103156663B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2438677Y (en) * | 2000-09-12 | 2001-07-11 | 杨芳 | Package container with easy-to-pull tab |
| CN1596493A (en) * | 2001-11-28 | 2005-03-16 | 3M创新有限公司 | Tearable core member and cold-shrink tube device having the same |
| CN2692899Y (en) * | 2004-02-26 | 2005-04-13 | 台湾翔登股份有限公司 | Improvement of supporting core band structure for cooling shrink pipe |
| US7182239B1 (en) * | 2004-08-27 | 2007-02-27 | Myers Stephan R | Segmented introducer device for a circular surgical stapler |
| WO2007147439A1 (en) * | 2006-06-21 | 2007-12-27 | Rudolf Steffen | Device for introducing and positioning surgical instruments and corresponding method |
| CN102843977A (en) * | 2009-11-19 | 2012-12-26 | 伊西康内外科公司 | Circular stapler introducer with rigid cap assembly configured for easy removal |
| CN202218890U (en) * | 2011-08-24 | 2012-05-16 | 苏州天臣国际医疗科技有限公司 | Guiding device |
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| CN203029313U (en) * | 2012-12-28 | 2013-07-03 | 苏州天臣国际医疗科技有限公司 | Guiding device and pipe-type binding instrument with same |
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| Publication number | Publication date |
|---|---|
| CN103156663B (en) | 2015-03-11 |
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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 science and Technology Plaza, Jinji Lake Road International Science Park, Suzhou Industrial Park, Suzhou, Jiangsu, 21A Patentee before: TOUCHSTONE INTERNATIONAL MEDICAL SCIENCE Co.,Ltd. |
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