CN1969768A - Surgical anastomat - Google Patents
Surgical anastomat Download PDFInfo
- Publication number
- CN1969768A CN1969768A CN200610163477.7A CN200610163477A CN1969768A CN 1969768 A CN1969768 A CN 1969768A CN 200610163477 A CN200610163477 A CN 200610163477A CN 1969768 A CN1969768 A CN 1969768A
- Authority
- CN
- China
- Prior art keywords
- housing
- anastomat
- ejector sleeve
- handle
- pole
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/11—Surgical instruments, devices or methods, e.g. tourniquets for performing anastomosis; Buttons for anastomosis
- A61B17/115—Staplers for performing anastomosis in a single operation
- A61B17/1155—Circular staplers comprising a plurality of staples
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/28—Surgical forceps
- A61B17/29—Forceps for use in minimally invasive surgery
- A61B17/2909—Handles
- A61B2017/2912—Handles transmission of forces to actuating rod or piston
- A61B2017/2919—Handles transmission of forces to actuating rod or piston details of linkages or pivot points
- A61B2017/2922—Handles transmission of forces to actuating rod or piston details of linkages or pivot points toggle linkages
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Surgery (AREA)
- Heart & Thoracic Surgery (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Surgical Instruments (AREA)
Abstract
The invention discloses a surgical anastomat, which comprises the following parts: case, central rod, ring-shaped push pipe and push board, wherein the case connects excitation handle through hinging chain; the ring-shaped push pipe is set in the case with central rod in the inner sleeve of pipe; the front end of ring-shaped push pipe fixes the bottom of push board; the nail anvil is set on the top of push board; the central rod extends the case with nail lid fixed in the front; the rear of central rod connects adjusting rotary button of case rear through screw; a group of connecting rod mechanism is set in the anastomat, which contains three connecting rods to connect excitement handle, inner wall of case and ring-shaped push pipe; one end of three connecting rod is on the same center of mobile hinging chain.
Description
Technical field
The present invention relates to a kind of surgical anastomat.
Background technology
Anastomat is as the common tool in a kind of surgical operation, be widely used in the tissue of coincideing in the operation process, as gastral esophagus, duodenum, small intestinal, colon and rectum etc., be applicable to the end end of various pipe tissues, the anastomosis operation of distolateral and side side.Anastomat can reduce the suture time of tubular tissue, improves suture strength, has reduced operating difficulty, has protected the suture of pipe tissue effectively, has improved the operation quality, can significantly improve the healing effect of suture.
Existing medical surgery anastomat as shown in Figure 1, generally comprises housing 1, center-pole 2, ejector sleeve 3 and push pedal, has an indicating window 11 on the housing 1.Ejector sleeve 3 heads and push pedal bottom surface are fixed together, and the push pedal top is provided with nail anvil, and suturing nail is housed on the nail anvil.Center-pole 2 packs in the ejector sleeve 3 and can slide along ejector sleeve 3, and center-pole 2 stretches out outside the housing 1, and head is equipped with nail and cover 4, follows closely that to cover 4 positions corresponding with nail anvil.Housing 1 afterbody is provided with adjusting knob 5, and adjusting knob 5 links together by screw rod 6 with center-pole 2.Also be provided with on housing 1 outer surface and excite handle 7, excite handle 7 to be generally the single-lobe handle, and with ejector sleeve 3 between be connected with a single fulcrum hinges.Excite and also be provided with a push rod 8 on the handle 7, push rod 8 is connected with ejector sleeve 3.When exciting handle 7 to leave behind, ejector sleeve 3 can slippage forward under the drive of push rod 8.Also be fixed with a fixed block 9 on center-pole 2, fixed block 9 is connected with a rotatable pointer 10, and the rotating shaft of pointer 10 is fixed in the housing 1, and pointer 10 positions are corresponding with indicating window 11.During use, earlier anastomat is inserted in the histoorgan to be sewed up, rotate adjusting knob 5 then, center-pole 2 drives fixed block 9 and moves forward together, will treat that suture tissue is pressed on nail anvil and nail covers between 4.Observe indicating window 11, can know that by moving of pointer 10 nail anvil and nail cover gap length and the clamping degree between 4, when reaching required thickness, open insurance institution, leave behind and excite handle 7, push rod 8 drives ejector sleeve 3 and slides along center-pole 2 directions, swash by the suturing nail of ensconcing in the nail anvil by the preceding handle of ejector sleeve 3, the pipe tissue apposition together, and by the endless knife excision redundance that is contained in the ejector sleeve 3., because anastomat is applied in the stitching of human organ tissue, use occasion has certain particularity.After exciting handle to leave behind, ejector sleeve 3 must tightly withstand push pedal, can guarantee that so just suturing nail can successfully excite, and sews up organ-tissue.Therefore, general anastomat excite handle all to need in use could swash suturing nail to go out nail anvil with bigger grip, cause anastomat in use to the having relatively high expectations of user self grip, use difficulty bigger, and poor stability.
Summary of the invention
The object of the present invention is to provide a kind of strong, safe and reliable medical surgery anastomat simple in structure, stable.
It is a kind of easy to operate that another object of the present invention is to provide, regulate flexibly, and the medical surgery anastomat of good fixing effect.
The object of the present invention is achieved like this: a kind of surgical anastomat, comprise housing, center-pole, annular ejector sleeve and push pedal, housing flexibly connects with exciting handle by hinge, the annular ejector sleeve is located in the housing, be with center-pole in the body, annular ejector sleeve front end and push pedal bottom surface are fixed together, the push pedal top is provided with nail anvil, center-pole stretches out outside the housing, and front end is fixed with the nail lid, the center-pole rear end is connected with the adjusting knob that is located at the housing afterbody by screw rod, it is characterized in that: be provided with one group of linkage that includes three connecting rods in the described anastomat, three connecting rods respectively with excite handle, inner walls and annular ejector sleeve connect, and an end of three connecting rods all is connected on the same central movable hinge.
Three connecting rods of described linkage are respectively power rail, support bar and moving lever, and wherein power rail is fixed on and excites on the handle; Be connected for hinges between support bar and the inner walls; Be connected for hinges between moving lever and the annular ejector sleeve.
Described handle and the power rail of exciting is that hinges is connected.
Described housing is provided with a hinge seat, is connected with hinges between hinge seat and the support bar.
Described annular ejector sleeve is provided with a hinge seat, is connected with hinges between hinge seat and the moving lever.
Described center-pole afterbody is provided with a fixed block, and fixed block is connected with a pointer that can pivot, and the rotating shaft of pointer is located at the inwall of housing, and pointer position is corresponding with the stroke indicating window on being located at housing.
The described handle that excites is provided with the stroke limit element.
Described inner walls is provided with the stroke limit element of central movable hinge.
Be provided with the stroke limit element in the described annular ejector sleeve.
Described screw rod is threaded with inner walls.
The present invention compares with the anastomat of prior art, and following advantage is arranged:
1: the present invention replaces original single pivot point lever with linkage, the principle of the stressed maximum of connecting rod when three fulcrums are in same straight line in the linkage between the fulcrum, make nail anvil be subjected to big as far as possible thrust, can not occur the not enough phenomenon of evocatory when organ-tissue, endless knife cut-out organ-tissue and endless knife are cut off the suturing nail of leaving over so suturing nail enters.
2: the present invention replaces original single pivot point lever with linkage, directly stressed with the traditional single pivot point lever of bilateral stressed replacement of support bar, moving lever.Move at ejector sleeve under the situation of same displacement, connecting rod link mechanism is more laborsaving than simple single pivot point lever.Therefore effectively reduced anastomat in use to the requirement of user self grip, the difficulty that anastomat uses is little, easy to use.
3: the present invention replaces original single pivot point lever with linkage, power rail is connected the mid point of connecting rod link mechanism, pass through the variation of angle between support bar, the moving lever when exciting handle to leave behind, make the stroke of connecting rod bigger, the flexible scope of ejector sleeve is bigger, and applying of strength is more convenient, more flexible.
4: the present invention replaces original single pivot point lever with linkage, by on anastomat, being provided with the stroke limit element, connecting rod link mechanism in use can not occur because of crossing the phenomenon that stroke retreats annular ejector sleeve, guarantee that suturing nail can excite in the histoorgan smoothly, and the stability that anastomat excites is strong, safe and reliable.
Description of drawings
Fig. 1 is the structural representation of medical surgical anastomat in the prior art.
Fig. 2 is the structural representation of most preferred embodiment of the present invention.
Fig. 3 is the structural representation when three fulcrums of connecting rod are in same straight line among the present invention.
Fig. 4 is the structural representation of another embodiment of the present invention.
Fig. 5 excites handle to be provided with the structural representation of stroke limit element among the present invention.
Fig. 6 is provided with the structural representation of central movable hinge limit element for middle shell inwall of the present invention.
Fig. 7 is for being provided with the structural representation of ejector sleeve stroke limit element in the annular ejector sleeve among the present invention.
The specific embodiment
Below in conjunction with accompanying drawing most preferred embodiment of the present invention is elaborated.
According to shown in Figure 2, surgical anastomat of the present invention comprises housing 1, center-pole 2, annular ejector sleeve 3 and push pedal.Have stroke indicating window 11 on the housing 1, and on the outer surface of housing 1, be equipped with and excite handle 7, excite handle 7 to flexibly connect, and can rotate around hinge axis by hinge and housing 1.Annular ejector sleeve 3 is located in the housing 1, is with center-pole 2 in the body.Annular ejector sleeve 3 front ends and push pedal bottom surface are fixed together, and the push pedal top is provided with nail anvil, and suturing nail is housed on the nail anvil.Center-pole 2 stretches out outside the housing, and center-pole 2 front ends be fixed with the nail cover 4, the rear end then is connected with the adjusting knob 5 that is located at housing 1 afterbody by a screw rod 6.Screw rod 6 can be equidistant screw rod, also can be Variable pitch screw, and screw rod 6 and housing 1 inwall are to be threaded.Afterbody at center-pole 2 is provided with a fixed block 9, and fixed block 9 and the pointer that can pivot 10 link together.The rotating shaft of pointer 10 is located at the inwall of housing 1, and the position of pointer 10 is corresponding with stroke indicating window 11.Be provided with one group of linkage in the anastomat housing 1, this linkage includes three connecting rods, is respectively power rail 13, support bar 15 and moving lever 14, and these three connecting rods are connected with exciting handle 7, housing 1 inwall and annular ejector sleeve 3 respectively.Power rail 13 is connected for hinges with exciting between the handle 7.The inwall of housing 1 is provided with hinge seat, and according to shown in Figure 4, the position of hinge seat can be on the top of housing 1 inner surface, also can be in the bottom, be connected with hinges between hinge seat and the support bar 15, and support bar 15 can rotate around the hinge seat axis.Also be provided with a hinge seat on annular ejector sleeve 3 outer surfaces, similar with the situation of housing 1, hinge seat can be located at top, middle part or the bottom of annular ejector sleeve 3 outer surfaces, is connected with hinges between hinge seat and the moving lever 14, and moving lever 14 can rotate around the hinge seat axis equally.In addition, an end of power rail 13, support bar 15 and moving lever 14 all is connected on the same central movable hinge 12.
During use, earlier anastomat is inserted in the histoorgan to be sewed up, rotate adjusting knob 5 then, center-pole 2 is with fixed block 9 reaches, and fixed block 9 drives pointer 10 rotations, will treat that suture tissue is pressed on nail anvil and nail covers between 4.Observe stroke indicating window 11, can know that by moving of pointer 10 nail anvil and nail cover gap length and the clamping degree between 4.When reaching required thickness, open insurance institution, leaving behind excites handle 7, the linkage action in the anastomat housing 1.Be fixed on the power rail 13 that excites on the handle 7 and move down, and drive central movable hinge 12 moves down together.According to the operating principle of linkage, power rail 13, support bar 15 and moving lever 14 triangular stressed all be to make a concerted effort each other.Support bar 15 is fixed on housing 1 inwall, can only rotate around axis, so moving lever 14 is under make a concerted effort the promoting of power rail 13 and support bar 15, before annular ejector sleeve 3 is pushed away.When connecting rod mechanism movement to as shown in Figure 3 the time, the principle of the stressed maximum of connecting rod when three fulcrums are in same straight line in the linkage between the fulcrum, at this moment the pin joint of the pin joint of support bar 15, moving lever 14 and central movable hinge 12 are in same straight line, stressed maximum between support bar 15 and the moving lever 14, therefore the thrust of annular ejector sleeve 3 is also maximum.The suturing nail of ensconcing in the nail anvil by the preceding handle of annular ejector sleeve 3 swashs, the pipe tissue apposition together, and by the endless knife excision redundance that is contained in the annular ejector sleeve 3.
Can be in state as shown in Figure 3 in order to ensure linkage always, suturing nail can be excited in the histoorgan smoothly, strengthen the stability that anastomat excites, therefore as Fig. 5, Figure 6 and Figure 7, stroke limit element 16,17,18 can be set in exciting handle 7, housing 1 inwall and annular ejector sleeve 3 respectively.By stroke limit element 16,17,18, make linkage in the course of the work, even be applied to the power that excites on the handle 7 more greatly, three fulcrums of linkage can guarantee to be in same straight line all the time, therefore in can be to greatest extent suturing nail be excited in the histoorgan, and cut off in endless knife and the not enough phenomenon of evocatory can not occur when organ-tissue and endless knife are cut off the suturing nail of leaving over, improved the safety of operation.
Claims (10)
1, a kind of surgical anastomat, comprise housing (1), center-pole (2), annular ejector sleeve (3) and push pedal, housing (1) flexibly connects with exciting handle (7) by hinge, annular ejector sleeve (3) is located in the housing (1), be with center-pole (2) in the body, annular ejector sleeve (3) front end and push pedal bottom surface are fixed together, the push pedal top is provided with nail anvil, center-pole (2) stretches out outside the housing (1), and front end is fixed with nail lid (4), center-pole (2) rear end is connected with the adjusting knob (5) that is located at housing (1) afterbody by screw rod (6), it is characterized in that: be provided with one group of linkage that includes three connecting rods in the described anastomat, three connecting rods respectively with excite handle (7), housing (1) inwall and annular ejector sleeve (3) connect, and an end of three connecting rods all is connected on the same central movable hinge (12).
2, according to the described surgical anastomat of claim 1, it is characterized in that: three connecting rods of described linkage are respectively power rail (13), support bar (15) and moving lever (14), and wherein power rail (13) is fixed on and excites on the handle (7); Be connected for hinges between support bar (15) and housing (1) inwall; Be connected for hinges between moving lever (14) and the annular ejector sleeve (3).
3, according to the described surgical anastomat of claim 2, it is characterized in that: the described handle (7) that excites is connected for hinges with power rail (13).
4, according to the described surgical anastomat of claim 2, it is characterized in that: described housing (1) is provided with a hinge seat, is connected with hinges between hinge seat and the support bar (15).
5, according to the described surgical anastomat of claim 2, it is characterized in that: described annular ejector sleeve (3) is provided with a hinge seat, is connected with hinges between hinge seat and the moving lever (14).
6, according to the described surgical anastomat of claim 1, it is characterized in that: described center-pole (2) afterbody is provided with a fixed block (9), fixed block (9) is connected with a pointer that can pivot (10), the rotating shaft of pointer (10) is located at the inwall of housing (1), and pointer (10) position is corresponding with the stroke indicating window (11) on being located at housing (1).
7, according to the described surgical anastomat of claim 1, it is characterized in that: the described handle (7) that excites is provided with stroke limit element (16).
8, according to the described surgical anastomat of claim 1, it is characterized in that: described housing (1) inwall is provided with the stroke limit element (17) of central movable hinge (12).
9, according to the described surgical anastomat of claim 1, it is characterized in that: be provided with stroke limit element (18) in the described annular ejector sleeve (3).
10, according to the described surgical anastomat of claim 1, it is characterized in that: described screw rod (6) is connected with housing (1) inner thread.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006101634777A CN100463659C (en) | 2006-12-06 | 2006-12-06 | Surgical anastomat |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006101634777A CN100463659C (en) | 2006-12-06 | 2006-12-06 | Surgical anastomat |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1969768A true CN1969768A (en) | 2007-05-30 |
| CN100463659C CN100463659C (en) | 2009-02-25 |
Family
ID=38110924
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2006101634777A Expired - Fee Related CN100463659C (en) | 2006-12-06 | 2006-12-06 | Surgical anastomat |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100463659C (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102389325A (en) * | 2011-07-19 | 2012-03-28 | 上海市肺科医院 | Reinforced suturing device for surgery |
| WO2013123666A1 (en) * | 2012-02-24 | 2013-08-29 | 广州医学院第二附属医院 | Surgical stapler and stapling method using stapler |
| CN103393444A (en) * | 2013-08-19 | 2013-11-20 | 常州健瑞宝医疗器械有限公司 | Lamp flickering triggering prompting device for anastomat and anastomat using device |
| CN106175863A (en) * | 2016-06-22 | 2016-12-07 | 姜言 | Digestive tract internal medicine anastomat device |
| CN102940513B (en) * | 2012-11-26 | 2017-05-31 | 天津瑞贝精密机械技术研发有限公司 | Motor-driven ring-cutting anastomat |
| CN107485430A (en) * | 2017-09-08 | 2017-12-19 | 江苏孜航精密五金有限公司 | The push jack transmission device of disposable foreskin Endo-GIA |
| CN107802310A (en) * | 2017-10-31 | 2018-03-16 | 无锡贝恩外科器械有限公司 | A kind of adjustable Pipy digestive tract stapler |
| WO2019128798A1 (en) * | 2017-12-26 | 2019-07-04 | 苏州天臣国际医疗科技有限公司 | Handle assembly and anastomat comprising same |
| WO2019128688A1 (en) * | 2017-12-26 | 2019-07-04 | 苏州天臣国际医疗科技有限公司 | Handle assembly and stapler comprising same |
| WO2019128721A1 (en) * | 2017-12-26 | 2019-07-04 | 苏州天臣国际医疗科技有限公司 | Handle assembly and anastomat comprising same |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11134952B2 (en) | 2018-10-15 | 2021-10-05 | Cilag Gmbh International | Dual lever to reduce force to fire in circular surgical stapler |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2146508C (en) * | 1994-08-25 | 2006-11-14 | Robert H. Schnut | Anvil for circular stapler |
| US5782844A (en) * | 1996-03-05 | 1998-07-21 | Inbae Yoon | Suture spring device applicator |
| CN1106827C (en) * | 1998-10-27 | 2003-04-30 | 张祖仁 | Surgical tubular anastomosing device |
-
2006
- 2006-12-06 CN CNB2006101634777A patent/CN100463659C/en not_active Expired - Fee Related
Cited By (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102389325B (en) * | 2011-07-19 | 2015-02-25 | 上海市肺科医院 | Reinforced suturing device for surgery |
| CN102389325A (en) * | 2011-07-19 | 2012-03-28 | 上海市肺科医院 | Reinforced suturing device for surgery |
| WO2013123666A1 (en) * | 2012-02-24 | 2013-08-29 | 广州医学院第二附属医院 | Surgical stapler and stapling method using stapler |
| CN102940513B (en) * | 2012-11-26 | 2017-05-31 | 天津瑞贝精密机械技术研发有限公司 | Motor-driven ring-cutting anastomat |
| CN103393444A (en) * | 2013-08-19 | 2013-11-20 | 常州健瑞宝医疗器械有限公司 | Lamp flickering triggering prompting device for anastomat and anastomat using device |
| CN103393444B (en) * | 2013-08-19 | 2015-01-14 | 常州健瑞宝医疗器械有限公司 | Lamp flickering triggering prompting device for anastomat and anastomat using device |
| CN106175863A (en) * | 2016-06-22 | 2016-12-07 | 姜言 | Digestive tract internal medicine anastomat device |
| CN106175863B (en) * | 2016-06-22 | 2019-02-01 | 屈秀峰 | Alimentary canal internal medicine anastomat device |
| CN107485430B (en) * | 2017-09-08 | 2023-09-26 | 江苏孜航精密五金有限公司 | Pushing piece transmission device of disposable foreskin cutting anastomat |
| CN107485430A (en) * | 2017-09-08 | 2017-12-19 | 江苏孜航精密五金有限公司 | The push jack transmission device of disposable foreskin Endo-GIA |
| CN107802310A (en) * | 2017-10-31 | 2018-03-16 | 无锡贝恩外科器械有限公司 | A kind of adjustable Pipy digestive tract stapler |
| WO2019128688A1 (en) * | 2017-12-26 | 2019-07-04 | 苏州天臣国际医疗科技有限公司 | Handle assembly and stapler comprising same |
| WO2019128721A1 (en) * | 2017-12-26 | 2019-07-04 | 苏州天臣国际医疗科技有限公司 | Handle assembly and anastomat comprising same |
| US11337703B2 (en) | 2017-12-26 | 2022-05-24 | Touchstone International Medical Science Co., Ltd. | Handle assembly and stapler including the same |
| US11399864B2 (en) | 2017-12-26 | 2022-08-02 | Touchstone International Medical Science Co., Ltd. | Handle assembly and stapler including the same |
| US11464517B2 (en) | 2017-12-26 | 2022-10-11 | Touchstone International Medical Science Co, Ltd. | Handle assembly and stapler including the same |
| WO2019128798A1 (en) * | 2017-12-26 | 2019-07-04 | 苏州天臣国际医疗科技有限公司 | Handle assembly and anastomat comprising same |
Also Published As
| Publication number | Publication date |
|---|---|
| CN100463659C (en) | 2009-02-25 |
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Granted publication date: 20090225 Termination date: 20111206 |