CN103142290A - Medical amputation device and cutting anastomat applying same - Google Patents
Medical amputation device and cutting anastomat applying same Download PDFInfo
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- CN103142290A CN103142290A CN2012104399863A CN201210439986A CN103142290A CN 103142290 A CN103142290 A CN 103142290A CN 2012104399863 A CN2012104399863 A CN 2012104399863A CN 201210439986 A CN201210439986 A CN 201210439986A CN 103142290 A CN103142290 A CN 103142290A
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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 medically from disconnected device, relate in particular 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 of cutting patient in surgical operation.
Usually, existing Endo-GIA, actual in the process of disconnected tissue though its cutting knife has certain angle of inclination, blade often can not slide along tissue is vertical, also may cause certain pullling to tissue.When thrust is larger, directly the tear fracture tissue, will organize directly hard living " chopping off ", and then damaged tissue.
Summary of the invention
The object of the present invention is to provide a kind of medically 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, of the present invention a kind of medical from disconnected device, be used for Endo-GIA, describedly comprise from disconnected device:
Main body, described main body are provided be used to the first blade that cuts and organizes;
Cutting knife connects described main body, and described cutting knife is provided with the second blade;
Described the first blade and described the second blade are oppositely arranged, and form the first 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, describedly medically also comprise a flexible member from disconnected device, described flexible member is connected between described main body and described cutting knife.
As a further improvement on the present invention, described flexible member is arranged at and described the first blade and the opposing side of the second blade.
As a further improvement on the present invention, described cutting knife also comprises the extension that extends along the second blade, and described flexible member connects described extension.
As a further improvement on the present invention, described flexible member be fixedly connected on described extension with the opposing side of described the second blade.
As a further improvement on the present invention, described flexible member is when initial condition, described the first blade and described the second blade form the first angle of the first angle, described flexible member is when strain, described the first blade and described the second blade form the first angle of the second angle, and described the first angle is greater than described the second angle.
As a further improvement on the present invention, describedly medically also comprise from disconnected device the push blade that connects described flexible member, described push blade drives described flexible member to carrying out strain near described pivot direction.
As a further improvement on the present invention, also be provided with the transition inclined-plane on described main body, described transition inclined-plane and described the first blade are positioned at same plane, and form one second angle.
As a further improvement on the present invention, described transition inclined-plane is blade-like.
As a further improvement on the present invention, described the second angle is more than or equal to described the first angle.
For realizing above-mentioned another goal of the invention, a kind of Endo-GIA of the present invention comprises as mentioned above medical from disconnected device.
Compared with prior art; of the present inventionly medically can keep blade vertically to slide in body tissue from disconnected device; and can be according to the different cutting angles of automatically adjusting of body tissue form, such cutting mode is the easy damaged body tissue not, has protected simultaneously cutting edge.
Description of drawings
Fig. 1 is the medical schematic perspective view from disconnected device in an embodiment of the present invention;
Fig. 2 is medical schematic perspective view from disconnected another angle of device in Fig. 1;
Fig. 3 (a) ~ Fig. 3 (c) is medical from disconnected device work process schematic diagram in an embodiment 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.
Endo-GIA for Endo-GIA of the present invention, comprise that one is medical from disconnected device 100, as shown in Fig. 1 ~ 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 be used to the first blade 101 that cuts and organizes, and above-mentioned cutting knife 11 pivotally connects this main body 10, particularly, should comprise a connection piece 12 from disconnected device 100, it is positioned at the middle part of cutting knife 11, and cutting knife 11 can be done swing for the axle center by connector 12.In addition, medically also comprise slide rail 13 from disconnected device 100, opposing diapire and this slide rail 13 of described main body 10 and described the first blade 101 fits, thereby main body 10 is bearing on slide rail 13, move back and forth in described Endo-GIA being driven by described slide rail 13.The edge of one side of cutting knife 11 is formed with the second blade 111.After connecting described main body, 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 that extends 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.When this extension 1114 is positioned under normal state at described cutting knife 11, support on slide rail 13, the contact surface of extension 1114 and slide rail 13 is same plane with the contact surface of main body 10 and slide rail 13.Simultaneously, extension 1114 forms the 3rd angle γ with body 10.
In an embodiment of the present invention, the second blade 111 comprises the parallel blade 1111 that is parallel to slide rail 13, by the extended curved blade 1112 of described parallel blade 1111.
In an embodiment of the present invention, also comprise a flexible member 14 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 be fixedly connected on extension 1114 with the opposing side of the second blade 111, this flexible member 14 is in the zone 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.During at initial condition, the first angle α that the first blade 101 and the second blade 111 form is the first angle when flexible member 14; Flexible member 14 is when strain, flexible member 14 can drive parallel blade 1111 and the close aforementioned body 10 of part curved blade 1112 of the second blade 111 of cutting knife 11, at this moment, the first angle α that the first blade 101 and the second blade 111 form is the second angle, elastic deformation is larger, the second angle is less, when namely the maximum of the first angle α appears at flexible member 14 initial condition, when minima appeared at flexible member 14 and is in the maximum limit deformed state, namely the first angle was greater than the second angle.
Describedly medically also comprise push blade 15 from disconnected device 100, an 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 the push broach bar drove 15 pairs of flexible member 14 applied thrusts of push blade, it drove flexible member 14 near the pivot direction, also namely carries out strain near the direction of connector 12.
Also be provided with transition inclined-plane 102 on aforementioned body 10, 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 that forms transition inclined-plane 102 1 sides.Above-mentioned the first blade 101, transition inclined-plane 1012, parallel blade 1111 and curved blade 1112 form medical main cutting zones from disconnected device 100.The transition inclined-plane 102 that so arranges can play the effect that tissue to be cut is seamlessly transitted.As a kind of preferred implementation, above-mentioned transition inclined-plane 102 is blade-like, and the second blade 111 that transition this moment inclined-plane 102 also can play auxiliary cutting knife 11 cuts and organizes.
Usually, existing Endo-GIA, actual in the process of disconnected tissue though its cutting knife has certain angle, blade often can not slide along tissue is vertical.When thrust is larger, directly the tear fracture tissue, will organize directly hard living " chopping off ", and then damaged tissue.The below describes in detail the work process of Endo-GIA of the present invention.
Cooperation with reference to Fig. 3 (a) to shown in Fig. 3 (c), as follows to medical operation principle from disconnected device 100 of the present invention: Endo-GIA of the present invention is for general on the body tissue of cutting human body in operation, in use procedure, Endo-GIA medical is placed in human body from disconnected device 100 to need to cut near the position of performing the operation, and operating doctor should be from disconnected device 100 applied thrusts by the push broach pole pair of Endo-GIA.Simultaneously, also can be according to the different cutting angles of automatically adjusting of body tissue form.
As shown in Fig. 3 (a), when not contacting body tissue to be cut from disconnected device 100, elastic deformation does not occur 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 further enter into from the main cutting zone of disconnected device 100, if the body tissue of this moment is easier to cutting, describedly can pass through the first blade 101 from disconnected device, and the cross point of the first blade 101 and cutting knife 11 is cut to body tissue.Because the cooperation of the first blade 101 and cutting knife 11, can make of the present inventionly medically can keep blade vertically to slide in body tissue from disconnected device, such cutting mode is the easy damaged body tissue not, has protected simultaneously cutting edge.
As shown in Fig. 3 (b), if the more difficult cutting of body tissue of this moment, along with the increase of the thrust of operating doctor, 15 pairs of also corresponding increases of flexible member 14 active forces of push blade, further, elastic deformation occurs in flexible member 14 under above-mentioned active force.On two ends difference stationary body 10 and extension 1114 due to flexible member 14, and cutting knife 11 is flexibly connected with main body 10, therefore, the parallel blade 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 the first blade 101 diminishes, and forms body tissue is cut off.By cutting off tissue, solved existing cutter sweep and the area less of organizing the cutting edge face that contacts, be not easy the problem of " stuck " phenomenon easily to occur from disconnected tissue.Make with organizing the cutting edge open area that contacts to become greatly, be difficult for stuck.
As shown in Fig. 3 (c), when after disconnected device 100 cutting machine somas, if the body tissue of this moment is easier to cutting, operating doctor reduces thrust, flexible member 14 deformation reduce, make the angle of the first angle α between cutting knife 11 and the first blade 101 become large, can pass through the first blade 101 again, and the cross point of the first blade 101 and cutting knife 11 is cut to body tissue.So also remain the concordance of feel, be convenient to doctor's operation technique.
In addition, in an embodiment of the present invention, this is medical is provided with broach shell draw-in groove 103 on 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 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 (12)
- One kind medical from disconnected device, be used for Endo-GIA, it is characterized in that, describedly comprise from disconnected device:Main body, described main body are provided be used to the first blade that cuts and organizes;Cutting knife connects described main body, and described cutting knife is provided with the second blade;Described the first blade and described the second blade are oppositely arranged, and form the first angle.
- 2. according to claim 1 medically it is characterized in that from disconnected device, the pivotally connected described main body of described cutting knife.
- 3. according to claim 2 medically it is characterized in that from disconnected device describedly medically also comprises a flexible member from disconnected device, and described flexible member is connected between described main body and described cutting knife.
- 4. according to claim 3 medically it is characterized in that from disconnected device, described flexible member is arranged at and described the first blade and the opposing side of the second blade.
- 5. according to claim 4 medically it is characterized in that from disconnected device, described cutting knife also comprises the extension that extends along the second blade, and described flexible member connects described extension.
- 6. according to claim 5 medically it is characterized in that from disconnected device, described flexible member be fixedly connected on described extension with the opposing side of described the second blade.
- 7. according to claim 3 or 4 is described medical from disconnected device, it is characterized in that, described flexible member is when initial condition, described the first blade and described the second blade form the first angle of the first angle, described flexible member is when strain, described the first blade and described the second blade form the first angle of the second angle, and described the first angle is greater than described the second angle.
- 8. according to claim 7 medically it is characterized in that from disconnected device describedly medically also comprises from disconnected device the push blade that connects described flexible member, and described push blade drives described flexible member to carrying out strain near described pivot direction.
- 9. according to claim 1 medically it is characterized in that from disconnected device also is provided with the transition inclined-plane on described main body, described transition inclined-plane and described the first blade are positioned at same plane, and form one second angle.
- 10. according to claim 9 medically it is characterized in that from disconnected device, described transition inclined-plane is blade-like.
- 11. according to claim 9 medically it is characterized in that from disconnected device, described the second angle is more than or equal to described the first angle.
- 12. an Endo-GIA comprises just like claim 1 any one to the claim 11 described 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 true CN103142290A (en) | 2013-06-12 |
| CN103142290B CN103142290B (en) | 2015-05-06 |
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| 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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| CN (1) | CN103142290B (en) |
Cited By (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 (7)
| 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 |
| US20050149087A1 (en) * | 2003-11-05 | 2005-07-07 | Applied Medical Resources Corporation | Multiple-angle scissor blade |
| 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 |
-
2012
- 2012-11-07 CN CN201210439986.3A patent/CN103142290B/en active Active
Patent Citations (7)
| 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 |
| US20050149087A1 (en) * | 2003-11-05 | 2005-07-07 | Applied Medical Resources Corporation | Multiple-angle scissor blade |
| 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 |
Cited By (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 |
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| Publication number | Publication date |
|---|---|
| CN103142290B (en) | 2015-05-06 |
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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. |