CN103142290B - Medical amputation device and cutting anastomat applying same - Google Patents
Medical amputation device and cutting anastomat applying same Download PDFInfo
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- CN103142290B CN103142290B CN201210439986.3A CN201210439986A CN103142290B CN 103142290 B CN103142290 B CN 103142290B CN 201210439986 A CN201210439986 A CN 201210439986A CN 103142290 B CN103142290 B CN 103142290B
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- disconnected device
- cutting
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Abstract
The invention provides a medical amputation device and a cutting anastomat applying the same. The medical amputation device is used for the cutting anastomat, and comprises a main body and a cutter, wherein the main body is provided with a first cutting edge used for cutting tissues; the cutter is connected with the main body; the cutter is provided with a second cutting edge; and the first cutting edge and the second cutting edge are oppositely arranged and form a first included angle. According to the medical amputation device provided by the invention, the cutting edges can be kept vertically slide in organic tissues, and by adopting such a cutting mode, the tissues can be easily amputated, damage to the organic tissues during an amputation process is reduced, and meanwhile, the cutting edges are protected.
Description
Technical field
The present invention relates to a kind of medical from disconnected device, particularly relate to a kind of medical from disconnected device and comprise this medical Endo-GIA from disconnected device.
Background technology
Endo-GIA is widely used in the body tissue cutting patient in surgical operation.
Usually, existing Endo-GIA, though its cutting knife has certain angle of inclination, reality is in the process from disconnected tissue, and blade often along organizing vertical sliding motion, also can not may cause certain pullling to tissue.When thrust is larger, possibility is tear fracture tissue directly, will organize directly hard raw " chopping off ", and then damaged tissue.
Summary of the invention
The object of the present invention is to provide a kind of medical from disconnected device, another object of the present invention is to provide a kind of application this medical Endo-GIA from disconnected device.
One of for achieving the above object, one of the present invention is medical from disconnected device, for Endo-GIA, describedly to comprise from disconnected device:
Main body, described main body is provided with the first blade for cutting and organizing;
Cutting knife, connects described main body, and described cutting knife is provided with the second blade;
Flexible member, described flexible member is connected between described main body and described cutting knife, and described flexible member is arranged at and described first blade and the opposing side of the second blade;
Push blade, described push blade connects described flexible member, and described push blade drives described flexible member elastic deformation;
Wherein, described first blade and described second blade are oppositely arranged, and form the first angle; Described flexible member is when initial condition, described first blade and described second blade form the first angle of the first angle, described flexible member is when elastic deformation, and described first blade and described second blade form the first angle of the second angle, and described first angle is greater than described second angle.
As a further improvement on the present invention, the pivotally connected described main body of described cutting knife.
As a further improvement on the present invention, described cutting knife also comprises the extension extended along the second blade, and described flexible member connects described extension.
As a further improvement on the present invention, described flexible member is fixedly connected on the side opposing with described second blade of described extension.
As a further improvement on the present invention, described main body is also provided with intermediate incline, described intermediate incline and described first blade are positioned at same plane, and form one second angle.
As a further improvement on the present invention, described intermediate incline is blade-like.
As a further improvement on the present invention, described second angle is more than or equal to described first angle.
For realizing another goal of the invention above-mentioned, a kind of Endo-GIA of the present invention, comprises one medical from disconnected device as above.
Compared with prior art; of the present inventionly medically can keep blade vertical sliding motion in body tissue from disconnected device; and automatically can adjust cutting angle according to the difference of body tissue form, such cutting mode is easy damaged body tissue not, protects cutting edge simultaneously.
Accompanying drawing explanation
Fig. 1 is the medical schematic perspective view from disconnected device in an embodiment of the present invention;
Fig. 2 is the medical schematic perspective view from disconnected another angle of device in Fig. 1;
Fig. 3 (a) ~ Fig. 3 (c) is for medical from disconnected device work process schematic diagram in an embodiment of the present invention.
Detailed description of the invention
Below in conjunction with each embodiment shown in the drawings, the present invention is described in detail; but should be noted that; these embodiments are not limitation of the present invention; those of ordinary skill in the art are according to these embodiment institute work energy, method or structural equivalent transformations or substitute, and all belong within protection scope of the present invention.
Endo-GIA for Endo-GIA of the present invention, comprise one medical from disconnected device 100, as shown in Figure 1 and 2, in an embodiment of the present invention, describedly medically comprise main body 10 and cutting knife 11 from disconnected device 100, wherein, main body 10 is provided with the first blade 101 for cutting and organizing, and above-mentioned cutting knife 11 pivotally connects this main body 10, particularly, a connection piece 12 should be comprised from disconnected device 100, it is positioned at the middle part of cutting knife 11, and cutting knife 11 can swing for axle center by connector 12.In addition, medically also comprise slide rail 13 from disconnected device 100, the diapire that described main body 10 is opposing with described first blade 101 and this slide rail 13 fit, thus make main body 10 be bearing on slide rail 13, move back and forth in described Endo-GIA can be driven by described slide rail 13.The edge of the side of cutting knife 11 is formed with the second blade 111.After the described main body of connection, this second blade 111 and this first blade 101 are oppositely arranged, and form the first angle α.
Above-mentioned cutting knife 11 is S shape, also comprises the extension 1114 extended along the second blade 111, and preferably, this second blade 111 and this extension 1114 are distributed in described connector 12 left and right sides.This extension 1114, when described cutting knife 11 is positioned under normal state, supports on slide rail 13, the contact surface of extension 1114 and slide rail 13, is same plane with main body 10 and the contact surface of slide rail 13.Meanwhile, extension 1114 and body 10 form the 3rd angle γ.
In an embodiment of the present invention, the second blade 111 comprises the parallel edges 1111 being parallel to slide rail 13, the curved blade 1112 extended by described parallel edges 1111.
In an embodiment of the present invention, a flexible member 14 is also comprised from disconnected device 100, it is connected between main body 10 and cutting knife 11, preferably, this flexible member 14 is arranged at and the first blade 101 and the opposing side of the second blade 111, the connected mode of itself and cutting knife 11 is the sides opposing with the second blade 111 being fixedly connected on extension 1114, and this flexible member 14 is in the region at the 3rd angle γ place.Above-mentioned " opposing " is a relative concept, is for the cut direction of blade.Preferably, this flexible member 14 is an arc accumulation of energy resilience reed.When flexible member 14 is at initial condition, the first angle α that the first blade 101 and the second blade 111 are formed is the first angle; Flexible member 14 is when elastic deformation, flexible member 14 can drive the parallel edges 1111 of the second blade 111 of cutting knife 11 and part curved blade 1112 near aforementioned body 10, now, the first angle α that first blade 101 and the second blade 111 are formed is the second angle, elastic deformation is larger, second angle is less, namely when the maximum of the first angle α appears at flexible member 14 initial condition, minima appears at flexible member 14 when being in maximum limit deformed state, and namely the first angle is greater than the second angle.
Describedly medically also comprise push blade 15 from disconnected device 100, one end of this push blade 15 is fixed with flexible member 14 and is connected, and the other end can be connected with push broach bar (not shown).When push broach bar drives push blade 15 pairs of flexible member 14 applied thrusts, it drives flexible member 14 near pivot direction, also namely carries out elastic deformation near the direction of connector 12.
Aforementioned body 10 is also provided with intermediate incline 102, and itself and the first blade 101 are positioned at same plane, and form one second angle β with the first blade 101, and this second angle β is greater than the first angle α.Preferably, at least part of surface of above-mentioned cutting knife 11 supports on the wall forming intermediate incline 102 side.Above-mentioned first blade 101, intermediate incline 1012, parallel edges 1111 and curved blade 1112 form the medical main cutting zone from disconnected device 100.The intermediate incline 102 of setting like this can play the effect that tissue to be cut is seamlessly transitted.As a kind of preferred implementation, above-mentioned intermediate incline 102 is in blade-like, and the second blade 111 that now intermediate incline 102 also can play auxiliary cutting knife 11 cuts and organizes.
Usually, existing Endo-GIA, though its cutting knife has certain angle, reality is in the process from disconnected tissue, and blade often can not along organizing vertical sliding motion.When thrust is larger, possibility is tear fracture tissue directly, will organize directly hard raw " chopping off ", and then damaged tissue.Below the work process of Endo-GIA of the present invention is described in detail.
Coordinate with reference to shown in Fig. 3 (a) to Fig. 3 (c), as follows to the medical operation principle from disconnected device 100 of the present invention: Endo-GIA of the present invention is for general in operation the body tissue cutting human body, in use procedure, Endo-GIA medical is placed in human body from disconnected device 100 to need to cut near the position of carrying out performing the operation, and operating doctor should from disconnected device 100 applied thrust by the push broach pole pair of Endo-GIA.Meanwhile, also automatically cutting angle can be adjusted according to the difference of body tissue form.
As shown in Fig. 3 (a), when not contacting body tissue to be cut from disconnected device 100, there is not elastic deformation in flexible member 14, and maintains the original state.And when running into body tissue to be cut from disconnected device 100, operating doctor can increase for the thrust from disconnected device 100, body tissue can enter into the main cutting zone from disconnected device 100 further, if body tissue is now easier to cutting, then described from disconnected device by the first blade 101, and the cross point of the first blade 101 and cutting knife 11 is cut body tissue.Because the cooperation of the first blade 101 and cutting knife 11, can make of the present inventionly medically can keep blade vertical sliding motion in body tissue from disconnected device, such cutting mode is easy damaged body tissue not, protects cutting edge simultaneously.
As shown in Figure 3 (b), if the more difficult cutting of body tissue now, then along with the increase of the thrust of operating doctor, push blade 15 pairs of flexible member 14 active force also corresponding increases, further, there is elastic deformation in flexible member 14 under above-mentioned active force.Two ends due to flexible member 14 are distinguished on stationary body 10 and extension 1114, and cutting knife 11 is flexibly connected with main body 10, therefore, the parallel edges 1111 of cutting knife 11 can move downward due to the deformation of flexible member 14, the angle of the first angle α between its cutting knife 11 and first blade 101 diminishes, and is formed and cuts off body tissue.By cutting off tissue, the area solving the cutting edge face of existing cutter sweep and contact tissue is relatively little, is not easy from disconnected tissue, easily occurs the problem of " stuck " phenomenon.Make to become greatly with the cutting edge open area of contact tissue, not easily stuck.
As shown in Figure 3 (c), when after disconnected device 100 cutting machine soma, if body tissue is now easier to cutting, then operating doctor reduces thrust, flexible member 14 deformation reduces, make the angle of the first angle α between cutting knife 11 and the first blade 101 become large, again by the first blade 101, and the cross point of the first blade 101 and cutting knife 11 is cut body tissue.So also remain the concordance of feel, be convenient to the operation technique of doctor.
In addition, in an embodiment of the present invention, this is medical is provided with broach shell draw-in groove 103 in the main body 10 of disconnected device, with when not using, can be contained in broach shell.
To those skilled in the art, obviously the invention is not restricted to the details of above-mentioned one exemplary embodiment, and when not deviating from spirit of the present invention or basic feature, the present invention can be realized in other specific forms.Therefore, no matter from which point, all should embodiment be regarded as exemplary, and be nonrestrictive, scope of the present invention is limited by claims instead of above-mentioned explanation, and all changes be therefore intended in the implication of the equivalency by dropping on claim and scope are included in the present invention.Any Reference numeral in claim should be considered as the claim involved by limiting.
In addition, be to be understood that, although this description is described according to embodiment, but not each embodiment only comprises an independently technical scheme, this narrating mode of description is only for clarity sake, those skilled in the art should by description integrally, and the technical scheme in each embodiment also through appropriately combined, can form other embodiments that it will be appreciated by those skilled in the art that.
Claims (8)
1. medical from a disconnected device, for Endo-GIA, it is characterized in that, describedly to comprise from disconnected device:
Main body, described main body is provided with the first blade for cutting and organizing;
Cutting knife, connects described main body, and described cutting knife is provided with the second blade;
Flexible member, described flexible member is connected between described main body and described cutting knife, and described flexible member is arranged at and described first blade and the opposing side of the second blade;
Push blade, described push blade connects described flexible member, and described push blade drives described flexible member elastic deformation;
Wherein, described first blade and described second blade are oppositely arranged, and form the first angle; Described flexible member is when initial condition, described first blade and described second blade form the first angle of the first angle, described flexible member is when elastic deformation, and described first blade and described second blade form the first angle of the second angle, and described first angle is greater than described second angle.
2. according to claim 1ly medically to it is characterized in that from disconnected device, the pivotally connected described main body of described cutting knife.
3. according to claim 1ly medically to it is characterized in that from disconnected device, described cutting knife also comprises the extension extended along the second blade, and described flexible member connects described extension.
4. according to claim 3ly medically to it is characterized in that from disconnected device, described flexible member is fixedly connected on the side opposing with described second blade of described extension.
5. according to claim 1ly medically to it is characterized in that from disconnected device, described main body is also provided with intermediate incline, and described intermediate incline and described first blade are positioned at same plane, and form one second angle.
6. according to claim 5ly medically to it is characterized in that from disconnected device, described intermediate incline is blade-like.
7. according to claim 5ly medically to it is characterized in that from disconnected device, described second angle is more than or equal to described first angle.
8. an Endo-GIA, what comprise just like in claim 1 to claim 7 described in any one is medical from disconnected device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210439986.3A CN103142290B (en) | 2012-11-07 | 2012-11-07 | Medical amputation device and cutting anastomat applying same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210439986.3A CN103142290B (en) | 2012-11-07 | 2012-11-07 | Medical amputation device and cutting anastomat applying same |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103142290A CN103142290A (en) | 2013-06-12 |
| CN103142290B true CN103142290B (en) | 2015-05-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210439986.3A Active CN103142290B (en) | 2012-11-07 | 2012-11-07 | Medical amputation device and cutting anastomat applying same |
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| Country | Link |
|---|---|
| CN (1) | CN103142290B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106691527A (en) * | 2017-02-28 | 2017-05-24 | 苏州法兰克曼医疗器械有限公司 | Intracavitary straight-cutting push knife mechanism |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5878938A (en) * | 1997-08-11 | 1999-03-09 | Ethicon Endo-Surgery, Inc. | Surgical stapler with improved locking mechanism |
| CN2759400Y (en) * | 2004-12-02 | 2006-02-22 | 翁志强 | Straight incising anastomat |
| CN201227299Y (en) * | 2008-06-20 | 2009-04-29 | 华外医疗器械(上海)有限公司 | Tissue-accumulation prevention device for Endo-GIA |
| WO2011159493A1 (en) * | 2010-06-18 | 2011-12-22 | Intuitive Surgical Operations, Inc. | Scissor bias for direct pull surgical instrument |
| CN102727273A (en) * | 2012-07-23 | 2012-10-17 | 中国人民解放军第四军医大学 | Microsurgical pen |
| CN203029341U (en) * | 2012-11-07 | 2013-07-03 | 苏州天臣国际医疗科技有限公司 | Medical dividing device and cutting stapler with the same |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2005062750A2 (en) * | 2003-11-05 | 2005-07-14 | Applied Medical Resources Corporation | Multiple-angle scissor blade |
-
2012
- 2012-11-07 CN CN201210439986.3A patent/CN103142290B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5878938A (en) * | 1997-08-11 | 1999-03-09 | Ethicon Endo-Surgery, Inc. | Surgical stapler with improved locking mechanism |
| CN2759400Y (en) * | 2004-12-02 | 2006-02-22 | 翁志强 | Straight incising anastomat |
| CN201227299Y (en) * | 2008-06-20 | 2009-04-29 | 华外医疗器械(上海)有限公司 | Tissue-accumulation prevention device for Endo-GIA |
| WO2011159493A1 (en) * | 2010-06-18 | 2011-12-22 | Intuitive Surgical Operations, Inc. | Scissor bias for direct pull surgical instrument |
| CN102727273A (en) * | 2012-07-23 | 2012-10-17 | 中国人民解放军第四军医大学 | Microsurgical pen |
| CN203029341U (en) * | 2012-11-07 | 2013-07-03 | 苏州天臣国际医疗科技有限公司 | Medical dividing device and cutting stapler with the same |
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| Publication number | Publication date |
|---|---|
| CN103142290A (en) | 2013-06-12 |
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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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