CN104323809A - Medical suture instrument with closing gap locking device - Google Patents
Medical suture instrument with closing gap locking device Download PDFInfo
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- CN104323809A CN104323809A CN201410418201.3A CN201410418201A CN104323809A CN 104323809 A CN104323809 A CN 104323809A CN 201410418201 A CN201410418201 A CN 201410418201A CN 104323809 A CN104323809 A CN 104323809A
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- guide finger
- groove
- medical suture
- gathering sill
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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
- A61B17/11—Surgical instruments, devices or methods, e.g. tourniquets for performing anastomosis; Buttons for anastomosis
- A61B17/115—Staplers for performing anastomosis in a single operation
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Surgery (AREA)
- Heart & Thoracic Surgery (AREA)
- Engineering & Computer Science (AREA)
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- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Medical Informatics (AREA)
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- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Surgical Instruments (AREA)
Abstract
The embodiment of the invention provides a medical suture instrument with a closing gap locking device. The medical suture instrument comprises a tail fin, a lead screw, a guide sleeve, a cover plate and a guide pin, wherein the lead screw is provided with a guide groove; the guide groove is provided with a concave groove; the guide sleeve is fixedly arranged on the tail fin; an elastic component is arranged in the guide sleeve; the cover plate seals one end of the guide sleeve; one end of the guide pin is connected with the cover plate through the elastic component; the guide pin slides into the concave groove and is clamped in the concave groove. The medical suture instrument with the closing gap locking device provided by the embodiment of the invention guarantees the consistency of a closing gap each time, a doctor can choose suturing instruments of different closing gaps as required; the closing gaps of the suturing instruments of the same type are consistent, so that a doctor does not need to adjust the closing gap; the closing gap locking device has voice and handfeel prompt, and reverse rotation can also be prevented during locking, so that the success rate of operation is improved.
Description
Technical field
The present invention relates to medical apparatus and instruments, more specifically, relate to a kind of medical suture instruments with closed dwell lock locking apparatus.
Background technology
In surgical operation, medical suturing instrument has become the requisite medical assistance apparatus in tissue sewing process.Along with development and the research and development of products of medical science, more and more multi-functional staple series products is applied to clinical, and the scope of application has related to the every field such as gastrointestinal surgery, Genneral Surgery, thoracic surgery, Urology Surgery, gynecological, becomes one of requisite instrument of doctor.The application of medical suturing instrument has the plurality of advantages such as hands intraoperative hemorrhage is less, operating time is shorter, can reduce error hand-manipulated, avoid infection, postoperative function recovery is fast.
In the medical suture instruments with spindle gear, closed gap can regulate according to the needs of doctor oneself, tube type anastomat has one comparatively conventional in the medical suture instruments of spindle gear, for end to end anastomosis, although doctor can regulate closed gap according to the needs of oneself, but shortcoming is the concordance that cannot ensure to close gap at every turn, and whether the closed gap that doctor selects is most suitable.
Summary of the invention
The invention provides a kind of medical suture instruments with closed dwell lock locking apparatus, at least to solve the inconsistent technical problem in closed gap.
Embodiments provide a kind of medical suture instruments with closed dwell lock locking apparatus, comprising: empennage; Screw mandrel, above-mentioned screw mandrel is provided with gathering sill, and above-mentioned gathering sill is provided with groove; Fairlead, above-mentioned fairlead is fixed on above-mentioned empennage, is provided with elastomeric element in above-mentioned fairlead; Cover plate, above-mentioned cover plate seals one end of above-mentioned fairlead; Guide finger, one end of above-mentioned guide finger is connected with above-mentioned cover plate by above-mentioned elastomeric element, and above-mentioned guide finger slips into above-mentioned groove and is stuck in above-mentioned groove.
Optionally, before above-mentioned guide finger moves to above-mentioned groove along above-mentioned gathering sill, above-mentioned guide finger compresses above-mentioned elastomeric element.
Optionally, before above-mentioned guide finger moves to above-mentioned groove along above-mentioned gathering sill, the above-mentioned other end of above-mentioned guide finger contacts with above-mentioned gathering sill.
Optionally, slip in the process of above-mentioned groove at above-mentioned guide finger, above-mentioned guide finger is subject to the external movement of thrust to above-mentioned fairlead of above-mentioned elastomeric element, is stuck in above-mentioned groove.
Optionally, above-mentioned guide finger comprises Part I and Part II, wherein, a surface of above-mentioned Part I is connected with above-mentioned cover plate by above-mentioned elastomeric element, in above-mentioned fairlead, away from one end of above-mentioned cover plate, there is restraining position, move in the space that above-mentioned Part I is formed between above-mentioned restraining position and above-mentioned cover plate.
Optionally, before above-mentioned guide finger moves to above-mentioned groove along above-mentioned gathering sill, above-mentioned Part II makes above-mentioned Part I compress above-mentioned elastomeric element by the extruding of above-mentioned gathering sill, slip in the process of above-mentioned groove at above-mentioned guide finger, the thrust that above-mentioned Part I is subject to above-mentioned elastomeric element makes above-mentioned guide finger to the external movement of above-mentioned fairlead.
Optionally, above-mentioned medical suture instruments also comprises nail supporting base, and above-mentioned groove is arranged on the end of above-mentioned gathering sill, and above-mentioned end is near above-mentioned nail supporting base.
Optionally, above-mentioned elastomeric element is spring, shell fragment, rubber or silica gel.
Optionally, above-mentioned medical suture instruments is anastomat or stiching instrument.
Optionally, above-mentioned anastomat is tube type anastomat.
The medical suture instruments that the embodiment of the present invention has closed dwell lock locking apparatus ensure that each concordance closing gap, doctor can select the suture instruments in different closed gap as required, the closed gap of the suture instruments of same model is consistent, closed gap is regulated without the need to doctor oneself, and the present invention closes the prompting that gap locking has sound and feel, can also backspin be prevented while locking, improve success rate of operation.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of a kind of optional tube type anastomat of the embodiment of the present invention;
Fig. 2 is the schematic diagram of a kind of optional screw mandrel insertion fin assembly of the embodiment of the present invention;
Fig. 3 is the generalized section of a kind of optional fin assembly of the embodiment of the present invention;
Fig. 4 is the section enlarged diagram of a kind of optional spring guide finger assembly of the embodiment of the present invention;
Fig. 5 is the schematic diagram of a kind of optional screw mandrel of the embodiment of the present invention;
Fig. 5-1 is the amplification profile schematic diagram of the groove of a kind of optional screw mandrel of the embodiment of the present invention;
Fig. 6 is the generalized section before a kind of optional guide finger of the embodiment of the present invention moves to groove;
Fig. 6-1 is the enlarged diagram of the local part A of Fig. 6;
Fig. 7 is the generalized section that a kind of optional guide finger of the embodiment of the present invention slips into groove;
Fig. 7-1 is the enlarged diagram of the local part B of Fig. 7.
Detailed description of the invention is used for further illustrating but is not limited to the present invention below, below embodiment be only a kind of optional embodiment of the present invention.
Detailed description of the invention
Embodiment 1
Embodiments provide a kind of tube type anastomat with closed dwell lock locking apparatus, as shown in Figure 1, comprise fin assembly 1 and screw mandrel 2, as shown in Figure 2, above-mentioned screw mandrel 2 is rotatably inserted into above-mentioned fin assembly 1, one end of above-mentioned screw mandrel 2 is threaded with above-mentioned fin assembly 1, as shown in Figure 1, the other end of above-mentioned screw mandrel 2 is connected with nail supporting base 3, when rotating above-mentioned fin assembly 1, screw mandrel tandem moves, make above-mentioned nail supporting base 3 near or away from nail bin 4.The profile of above-mentioned fin assembly 1 as shown in Figure 3, comprise empennage 11 and spring guide finger assembly 12, the profile of above-mentioned spring guide finger assembly 12 as shown in Figure 4, comprise guide finger 121, fairlead 122, spring 123 and cover plate 124, as shown in Figure 3, above-mentioned fairlead 122 is fixed on above-mentioned empennage 11, as shown in Figure 4, above-mentioned spring 123 is provided with in above-mentioned fairlead 122, above-mentioned cover plate 124 seals one end of above-mentioned fairlead 122, above-mentioned guide finger 121 be positioned at above-mentioned fairlead 122 at least partially, above-mentioned guide finger 121 can at above-mentioned fairlead 122 linear movement, one end 1211 of above-mentioned guide finger 121 is connected with above-mentioned cover plate 124 by above-mentioned spring 123.Above-mentioned guide finger 121 comprises Part I 1213 and Part II 1214, in above-mentioned fairlead 122, away from one end of above-mentioned cover plate 124, there is restraining position 1221, move in the space that above-mentioned Part I 1213 is formed between above-mentioned restraining position 1221 and above-mentioned cover plate 124.The other end 1212 of above-mentioned guide finger 121 is positioned at the surface of above-mentioned Part II 1214.
Fig. 5 is the schematic diagram of above-mentioned screw mandrel 2, and as shown in Figure 5, above-mentioned screw mandrel 2 is provided with gathering sill 21, above-mentioned gathering sill 21 is provided with groove 22, the amplification profile schematic diagram of above-mentioned groove 22 as shown in fig. 5-1.Above-mentioned groove 22 is arranged on the end of above-mentioned gathering sill 21, and above-mentioned end is near above-mentioned nail supporting base 3.Rotate above-mentioned fin assembly 1, above-mentioned screw mandrel 2 drives above-mentioned nail supporting base 3 to move towards near the direction of above-mentioned nail bin 4, above-mentioned guide finger 121 moves along the above-mentioned gathering sill 21 of above-mentioned screw mandrel 2, in motor process, above-mentioned guide finger 121 heads on above-mentioned gathering sill 21 always, and above-mentioned guide finger 121 compresses above-mentioned spring 123 by the extruding of above-mentioned gathering sill 21, when above-mentioned guide finger 121 arrives final position, when namely falling into above-mentioned groove 22, above-mentioned fin assembly 1 cannot rotate, closed gap locking.
Before above-mentioned guide finger 121 moves to above-mentioned groove 22 along above-mentioned gathering sill 21, above-mentioned guide finger 121 compresses above-mentioned spring 123.Slip in the process of above-mentioned groove 22 at above-mentioned guide finger 121, above-mentioned guide finger 121 is subject to the external movement of thrust to above-mentioned fairlead 122 of above-mentioned spring 123, is stuck in above-mentioned groove 22.
Specifically, before above-mentioned guide finger 121 moves to above-mentioned groove 22 along above-mentioned gathering sill 21, above-mentioned Part II 1214 makes above-mentioned Part I 1213 compress above-mentioned spring 123 by the extruding of above-mentioned gathering sill 21, slip in the process of above-mentioned groove 22 at above-mentioned guide finger 121, the thrust that above-mentioned Part I 1213 is subject to above-mentioned spring 123 makes above-mentioned guide finger 121 to the external movement of above-mentioned fairlead 122, is stuck in above-mentioned groove 22.
Fig. 6 is that above-mentioned guide finger 121 moves to the generalized section before above-mentioned groove 22 along above-mentioned gathering sill 21, and Fig. 6-1 is the enlarged diagram of the local part A of Fig. 6; Fig. 7 is the generalized section that above-mentioned guide finger 121 slips into above-mentioned groove 22, and Fig. 7-1 is the enlarged diagram of the local part B of Fig. 7.
As shown in Fig. 6 and Fig. 6-1, before above-mentioned guide finger 121 moves to above-mentioned groove 22 along above-mentioned gathering sill 21, the above-mentioned other end 1212 of above-mentioned guide finger 121 contacts with above-mentioned gathering sill 21, and above-mentioned guide finger 121 compresses above-mentioned spring 123 by the extruding of above-mentioned gathering sill 21.
As shown in Fig. 7 and Fig. 7-1, slip in the process of above-mentioned groove 22 at above-mentioned guide finger 121, the thrust that above-mentioned Part I 1213 is subject to above-mentioned spring 123 makes above-mentioned guide finger 121 to the external movement of above-mentioned fairlead 122, above-mentioned Part I 1213 contacts with above-mentioned restraining position 1221 as shown in Figure 4, above-mentioned restraining position 1221 makes above-mentioned guide finger 121 no longer to the external movement of above-mentioned fairlead 122, and above-mentioned guide finger 121 is stuck in above-mentioned groove 22.
When above-mentioned guide finger 121 is stuck in above-mentioned groove 22, because above-mentioned guide finger 121 slips in above-mentioned groove 22, thus locking spacing while also have the prompting of sound and feel, can also backspin be prevented.
Above-mentioned spring 123 can also replace with shell fragment, rubber or silica gel, and wherein rubber or silica gel can be ball-type or column.
Above-mentioned groove 22 can be arranged on slightly away from the position of above-mentioned nail supporting base 3, even if lock position is slightly away from above-mentioned nail supporting base 3, when above-mentioned guide finger 121 is stuck in above-mentioned groove 22, the closed gap of above-mentioned nail supporting base 3 and above-mentioned nail bin 4 is slightly large, above-mentioned groove 22 also can be arranged on the position slightly by nearly above-mentioned nail supporting base 3, even if lock position is slightly by nearly above-mentioned nail supporting base 3, when above-mentioned guide finger 121 is stuck in above-mentioned groove 22, the closed gap of above-mentioned nail supporting base 3 and above-mentioned nail bin 4 is slightly little.In other words, the position that above-mentioned groove 22 is arranged can determine according to the size in the closed gap of above-mentioned nail supporting base 3 and above-mentioned nail bin 4, produces the tube type anastomat of different closed gaps locking.
Above-mentioned tube type anastomat can also replace with anastomat or the stiching instrument of other types, above-mentioned anastomat or stiching instrument adopt lead screw device as moving component, there is anastomat or the stiching instrument of spindle gear, the design of the embodiment of the present invention can be adopted, adopt above-mentioned fin assembly and above-mentioned screw mandrel, namely adopt with the above-mentioned fin assembly of above-mentioned spring guide finger assembly and the above-mentioned screw mandrel with above-mentioned groove.
Claims (10)
1. there is a medical suture instruments for closed dwell lock locking apparatus, it is characterized in that, comprising:
Empennage (11);
Screw mandrel (2), described screw mandrel (2) is provided with gathering sill (21), described gathering sill (21) is provided with groove (22);
Fairlead (122), described fairlead (122) is fixed on described empennage (11), is provided with elastomeric element (123) in described fairlead (122);
Cover plate (124), described cover plate (124) seals one end of described fairlead (122);
Guide finger (121), one end (1211) of described guide finger (121) is connected with described cover plate (124) by described elastomeric element (123), and described guide finger (121) slips into described groove (22) and is stuck in described groove (22).
2. medical suture instruments according to claim 1, it is characterized in that, before described guide finger (121) moves to described groove (22) along described gathering sill (21), described guide finger (121) compresses described elastomeric element (123).
3. medical suture instruments according to claim 1, it is characterized in that, before described guide finger (121) moves to described groove (22) along described gathering sill (21), the described other end (1212) of described guide finger (121) contacts with described gathering sill (21).
4. medical suture instruments according to claim 1, it is characterized in that, slip in the process of described groove (22) at described guide finger (121), described guide finger (121) is subject to the external movement of thrust to described fairlead (122) of described elastomeric element (123), is stuck in described groove (22).
5. medical suture instruments according to claim 1, it is characterized in that, described guide finger (121) comprises Part I (1213) and Part II (1214), wherein, a surface of described Part I (1213) is connected with described cover plate (124) by described elastomeric element (123), in described fairlead (122), away from one end of described cover plate (124), there is restraining position (1221), move in the space that described Part I (1213) is formed between described restraining position (1221) and described cover plate (124).
6. medical suture instruments according to claim 5, it is characterized in that, before described guide finger (121) moves to described groove (22) along described gathering sill (21), described Part II (1214) makes described Part I (1213) compress described elastomeric element (123) by the extruding of described gathering sill (21), slip in the process of described groove (22) at described guide finger (121), the thrust that described Part I (1213) is subject to described elastomeric element (123) makes described guide finger (121) to the external movement of described fairlead (122).
7. medical suture instruments according to claim 1, also comprise nail supporting base (3), it is characterized in that, described groove (22) is arranged on the end of described gathering sill (21), and described end is near described nail supporting base (3).
8. medical suture instruments according to claim 1, is characterized in that, described elastomeric element (123) is spring, shell fragment, rubber or silica gel.
9., according to the arbitrary described medical suture instruments of claim 1 to 8, it is characterized in that, described medical suture instruments is anastomat or stiching instrument.
10. medical suture instruments according to claim 9, is characterized in that, described anastomat is tube type anastomat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410418201.3A CN104323809B (en) | 2014-08-22 | 2014-08-22 | A kind of medical suture instruments with Guan Bi dwell lock locking apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410418201.3A CN104323809B (en) | 2014-08-22 | 2014-08-22 | A kind of medical suture instruments with Guan Bi dwell lock locking apparatus |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104323809A true CN104323809A (en) | 2015-02-04 |
| CN104323809B CN104323809B (en) | 2016-06-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410418201.3A Expired - Fee Related CN104323809B (en) | 2014-08-22 | 2014-08-22 | A kind of medical suture instruments with Guan Bi dwell lock locking apparatus |
Country Status (1)
| Country | Link |
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| CN (1) | CN104323809B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104739471A (en) * | 2015-03-13 | 2015-07-01 | 天津万和医疗器械有限公司 | Gap control device and surgical cutting and suturing instrument using the same |
| CN107714123A (en) * | 2017-11-20 | 2018-02-23 | 长春工业大学 | A kind of medical suture instruments with closed-gap locking system |
| WO2021037155A1 (en) * | 2019-08-29 | 2021-03-04 | 天臣国际医疗科技股份有限公司 | Closing driving mechanism and medical stapler comprising same |
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| US5271544A (en) * | 1991-08-23 | 1993-12-21 | Ethicon, Inc. | Surgical anastomosis stapling instrument |
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| EP1576927B1 (en) * | 2004-03-19 | 2009-11-04 | Tyco Healthcare Group Lp | Surgical stapling device |
| CN201519169U (en) * | 2009-07-23 | 2010-07-07 | 曲直 | Medical stapler with function of self locking |
| CN202619754U (en) * | 2012-05-31 | 2012-12-26 | 北京中法派尔特医疗设备有限公司 | Anastomat with clearance adjusting mechanism |
| WO2013090223A1 (en) * | 2011-12-16 | 2013-06-20 | Ethicon Endo-Surgery, Inc. | Feature to lock knob of tissue stapler |
| CN204106090U (en) * | 2014-08-22 | 2015-01-21 | 天津万和医疗器械有限公司 | A kind of medical suture instruments with closed dwell lock locking apparatus |
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2014
- 2014-08-22 CN CN201410418201.3A patent/CN104323809B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5271544A (en) * | 1991-08-23 | 1993-12-21 | Ethicon, Inc. | Surgical anastomosis stapling instrument |
| EP1576927B1 (en) * | 2004-03-19 | 2009-11-04 | Tyco Healthcare Group Lp | Surgical stapling device |
| CN201167991Y (en) * | 2008-01-25 | 2008-12-24 | 苏州天臣国际医疗科技有限公司 | Automatic safety surgical stitching instrument |
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| WO2013090223A1 (en) * | 2011-12-16 | 2013-06-20 | Ethicon Endo-Surgery, Inc. | Feature to lock knob of tissue stapler |
| CN202619754U (en) * | 2012-05-31 | 2012-12-26 | 北京中法派尔特医疗设备有限公司 | Anastomat with clearance adjusting mechanism |
| CN204106090U (en) * | 2014-08-22 | 2015-01-21 | 天津万和医疗器械有限公司 | A kind of medical suture instruments with closed dwell lock locking apparatus |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104739471A (en) * | 2015-03-13 | 2015-07-01 | 天津万和医疗器械有限公司 | Gap control device and surgical cutting and suturing instrument using the same |
| CN104739471B (en) * | 2015-03-13 | 2017-06-13 | 盈甲医疗器械制造（天津）有限公司 | A kind of gap control device and the surgical cutting and stapling instrument using the device |
| CN107714123A (en) * | 2017-11-20 | 2018-02-23 | 长春工业大学 | A kind of medical suture instruments with closed-gap locking system |
| WO2021037155A1 (en) * | 2019-08-29 | 2021-03-04 | 天臣国际医疗科技股份有限公司 | Closing driving mechanism and medical stapler comprising same |
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| Publication number | Publication date |
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| CN104323809B (en) | 2016-06-08 |
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Address after: 301702 Tianjin city Wuqing District Beijing E-Commerce Industrial Park Hongxing Road No. 28-2 Patentee after: Surplus medical instruments manufacturing (Tianjin) Co.,Ltd. Address before: 301702 Tianjin city Wuqing District Beijing E-Commerce Industrial Park Hongxing Road No. 28-2 Patentee before: TIANJIN WANHE MEDICAL DEVICES Co.,Ltd. |
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Address after: 301702 Hongjin road 28-2, Beijing Tianjin Electronic Commerce Industrial Park, Wuqing, Tianjin Patentee after: TIANJIN WANHE MEDICAL DEVICES Co.,Ltd. Address before: 301702 Hongjin road 28-2, Beijing Tianjin Electronic Commerce Industrial Park, Wuqing, Tianjin Patentee before: Surplus medical instruments manufacturing (Tianjin) Co.,Ltd. |
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