CN104323810B - A kind of medical suture instruments with spindle gear - Google Patents
A kind of medical suture instruments with spindle gear Download PDFInfo
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- CN104323810B CN104323810B CN201410418202.8A CN201410418202A CN104323810B CN 104323810 B CN104323810 B CN 104323810B CN 201410418202 A CN201410418202 A CN 201410418202A CN 104323810 B CN104323810 B CN 104323810B
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- guide finger
- fairlead
- gathering sill
- suture instruments
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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
- A61B17/1155—Circular staplers comprising a plurality of staples
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- 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)
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- Animal Behavior & Ethology (AREA)
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Abstract
Embodiments provide a kind of medical suture instruments with spindle gear, including: empennage；Screw mandrel, above-mentioned screw mandrel is provided with gathering sill, and above-mentioned gathering sill is provided with protruding and motion final position；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, above-mentioned guide finger remain at least partially within above-mentioned fairlead, one end of above-mentioned guide finger is connected with above-mentioned cover plate by above-mentioned elastomeric element, and above-mentioned guide finger is stuck in the locking gap that above-mentioned protruding and above-mentioned motion final position is formed after slipping over above-mentioned projection。The medical suture instruments that the embodiment of the present invention provides ensure that the concordance every time closing gap, it is not necessary to doctor oneself regulates Guan Bi gap, and the present invention closes gap locking and has the prompting of sound and feel, improves success rate of operation。
Description
Technical field
The present invention relates to medical apparatus and instruments, more particularly, to a kind of medical suture instruments with spindle gear。
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 clinic, and the scope of application has been directed 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 manual operations error, avoid infection, postoperative function recovery is fast。
In the medical suture instruments with spindle gear, Guan Bi gap can regulate according to the needs of doctor oneself, tube type anastomat is to have one more common in the medical suture instruments of spindle gear, for end to end anastomosis, although doctor can regulate Guan Bi gap according to the needs of oneself, but shortcoming is the concordance that cannot ensure to close gap every time, and whether the Guan Bi gap that doctor selects is most suitable。
Summary of the invention
The invention provides a kind of medical suture instruments with spindle gear, the technical problem inconsistent at least to solve Guan Bi gap。
Embodiments provide a kind of medical suture instruments with spindle gear, including: empennage；Screw mandrel, above-mentioned screw mandrel is provided with gathering sill, and above-mentioned gathering sill is provided with protruding and motion final position；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, above-mentioned guide finger remain at least partially within above-mentioned fairlead, one end of above-mentioned guide finger is connected with above-mentioned cover plate by above-mentioned elastomeric element, and above-mentioned guide finger is stuck in the locking gap that above-mentioned protruding and above-mentioned motion final position is formed after slipping over above-mentioned projection。
Optionally, before above-mentioned guide finger moves to above-mentioned projection along above-mentioned gathering sill and after above-mentioned guide finger slips over above-mentioned projection along above-mentioned gathering sill, the other end of above-mentioned guide finger is positioned at the outside of above-mentioned fairlead。
Optionally, before above-mentioned guide finger moves to above-mentioned projection along above-mentioned gathering sill and after above-mentioned guide finger slips over above-mentioned projection along above-mentioned gathering sill, the above-mentioned other end of above-mentioned guide finger contacts with above-mentioned gathering sill。
Optionally, slipping in the process of above-mentioned projection at above-mentioned guide finger, above-mentioned guide finger first passes through the compression above-mentioned elastomeric element internal motion to above-mentioned fairlead, then is subject to the thrust external movement to above-mentioned fairlead of above-mentioned elastomeric element。
Optionally, above-mentioned guide finger includes Part I and Part II, wherein, one 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, slip in the process of above-mentioned projection at above-mentioned guide finger, above-mentioned Part II is made above-mentioned Part I compress above-mentioned elastomeric element to above-mentioned fairlead internal motion by the extruding of above-mentioned projection, then is subject to the thrust external movement to above-mentioned fairlead of above-mentioned elastomeric element。
Optionally, also including nail supporting base, above-mentioned motion final position is arranged on the end of above-mentioned gathering sill, and above-mentioned end, near above-mentioned nail supporting base, is provided with projection on the above-mentioned gathering sill of above-mentioned end。
Optionally, above-mentioned elastomeric element is spring, shell fragment, rubber or silica gel。
Optionally, above-mentioned medical treatment suture instruments is anastomat or stiching instrument。
Optionally, above-mentioned anastomat is tube type anastomat。
The embodiment of the present invention has the medical suture instruments of spindle gear and ensure that the concordance every time closing gap, doctor can select the suture instruments in different Guan Bi gap as required, the Guan Bi gap of the suture instruments of same model is consistent, Guan Bi gap is regulated without doctor oneself, and the present invention closes gap locking and has the prompting of sound and feel, it is also prevented from backspin while locking, improves 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 generalized section of a kind of optional screw mandrel of the embodiment of the present invention；
Fig. 5-1 is the amplification profile schematic diagram of a kind of optional projection of the embodiment of the present invention；
A kind of optional guide finger that Fig. 6 is the embodiment of the present invention moves to the generalized section before projection；
Fig. 6-1 is the enlarged diagram of the local part A of Fig. 6；
Fig. 7 is a kind of optional guide finger generalized section at protruding peak of the embodiment of the present invention；
Fig. 7-1 is the enlarged diagram of the local part B of Fig. 7；
A kind of optional guide finger that Fig. 8 is the embodiment of the present invention slips over the generalized section after projection；
Fig. 8-1 is the enlarged diagram of the Local C part of Fig. 8。
Embodiment is used for further illustrating but is not limited to the present invention in detail below, and example below is 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 spindle gear, as shown in Figure 1, including fin assembly 1 and screw mandrel 2, as in figure 2 it is shown, above-mentioned screw mandrel 2 is rotatably inserted into above-mentioned fin assembly 1, threaded with above-mentioned fin assembly 1 in one end of above-mentioned screw mandrel 2, as it is 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, and makes above-mentioned nail supporting base 3 closer or far from nail bin 4。The profile of above-mentioned fin assembly 1 is as shown in Figure 3, including empennage 11 and spring guide finger assembly 12, the profile of above-mentioned spring guide finger assembly 12 is as shown in Figure 4, including 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 it 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 remain at least partially within above-mentioned fairlead 122, 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 includes 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。
Fig. 5 is the schematic diagram of above-mentioned screw mandrel 2, as it is shown in figure 5, be provided with gathering sill 21 on above-mentioned screw mandrel 2, above-mentioned gathering sill 21 is provided with protruding 22 and motion final position 23, and the amplification profile schematic diagram of above-mentioned protruding 22 is as shown in fig. 5-1。Above-mentioned motion final position 23 is arranged on the end of above-mentioned gathering sill 21, and above-mentioned end, near above-mentioned nail supporting base 3, is provided with above-mentioned protruding 22 on the above-mentioned gathering sill 21 of above-mentioned end。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, when above-mentioned guide finger 121 touches on above-mentioned screw mandrel 2 above-mentioned protruding 22, above-mentioned guide finger 121 is pushed up by above-mentioned protruding 22, make above-mentioned guide finger 121 can slip over above-mentioned protruding 22, arrive the above-mentioned motion final position 23 of the end of above-mentioned screw mandrel 2, above-mentioned guide finger 121 is in slipping over the locking gap 24 being stuck in above-mentioned protruding 22 and the formation of above-mentioned motion final position 23 after above-mentioned protruding 22, now above-mentioned fin assembly 1 cannot rotate, Guan Bi gap locking。Slip in the above-mentioned process of protruding 22 at above-mentioned guide finger 121, above-mentioned Part II 1214 is made above-mentioned Part I 1213 compress above-mentioned spring 123 to above-mentioned fairlead 122 internal motion by the above-mentioned extruding of protruding 22, then is subject to the thrust external movement to above-mentioned fairlead 122 of above-mentioned spring 123。
Fig. 6 is that above-mentioned guide finger 121 moves to the generalized section before above-mentioned protruding 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 that above-mentioned guide finger 121 slips in the above-mentioned process of protruding 22, and above-mentioned guide finger 121 is at the schematic diagram of the above-mentioned peak of protruding 22, and Fig. 7-1 is the enlarged diagram of the local part B of Fig. 7；Fig. 8 is that above-mentioned guide finger 121 slips over the generalized section after above-mentioned protruding 22 along above-mentioned gathering sill 21, and Fig. 8-1 is the enlarged diagram of the Local C part of Fig. 8。
As shown in Fig. 6, Fig. 6-1, Fig. 8 and Fig. 8-1, above-mentioned guide finger 121 moves to before above-mentioned protruding 22 and after above-mentioned guide finger 121 slips over above-mentioned protruding 22 along above-mentioned gathering sill 21 along above-mentioned gathering sill 21, the other end 1212 of above-mentioned guide finger 121 is positioned at the outside of above-mentioned fairlead 122, and the above-mentioned other end 1212 of above-mentioned guide finger 121 contacts with above-mentioned gathering sill 21。
As shown in Fig. 6, Fig. 6-1, Fig. 7, Fig. 7-1, Fig. 8 and Fig. 8-1, slip in the above-mentioned process of protruding 22 at above-mentioned guide finger 121, above-mentioned guide finger 121 first passes through the compression above-mentioned spring 123 internal motion to above-mentioned fairlead 122, then is subject to the thrust external movement to above-mentioned fairlead 122 of above-mentioned spring 123。When above-mentioned guide finger 121 is stuck in above-mentioned locking gap 24, fall in above-mentioned locking gap 24 owing to above-mentioned guide finger 121 is to slide over above-mentioned protruding 22, thus locking spacing while also have the prompting of sound and feel, it is also possible to anti-backspin。
Above-mentioned spring 123 may be replaced by shell fragment, rubber or silica gel, and wherein rubber or silica gel can be ball-type or column。
Above-mentioned protruding 22 and above-mentioned motion final position 23 can be arranged on the position being slightly away from above-mentioned nail supporting base 3, even if above-mentioned locking gap 24 is slightly away from above-mentioned nail supporting base 3, when making above-mentioned guide finger 121 be stuck in above-mentioned locking gap 24, the Guan Bi gap of above-mentioned nail supporting base 3 and above-mentioned nail bin 4 is slightly larger, above-mentioned protruding 22 and above-mentioned motion final position 23 can also be arranged on the position slightly by nearly above-mentioned nail supporting base 3, even if above-mentioned locking gap 24 is slightly by nearly above-mentioned nail supporting base 3, when making above-mentioned guide finger 121 be stuck in above-mentioned locking gap 24, the Guan Bi gap of above-mentioned nail supporting base 3 and above-mentioned nail bin 4 is slightly smaller。In other words, above-mentioned protruding 22 and the position that arranges of above-mentioned motion final position 23 can determine according to the size in the Guan Bi gap of above-mentioned nail supporting base 3 and above-mentioned nail bin 4, produce the tube type anastomat of different Guan Bi gaps locking。
Above-mentioned tube type anastomat may be replaced by other kinds of anastomat or stiching instrument, above-mentioned anastomat or stiching instrument adopt lead screw device as moving component, there is 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 the above-mentioned fin assembly with above-mentioned spring guide finger assembly and the above-mentioned screw mandrel with above-mentioned protruding and above-mentioned motion final position。
Claims (10)
1. a medical suture instruments with spindle gear, it is characterised in that including:
Empennage (11)；
Screw mandrel (2), described screw mandrel (2) is provided with gathering sill (21), and described gathering sill (21) is provided with projection (22) and motion final position (23)；
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), described guide finger (121) remain at least partially within described fairlead (122), one end (1211) of described guide finger (121) is connected with described cover plate (124) by described elastomeric element (123), in the locking gap (24) that described guide finger (121) is stuck in described projection (22) after slipping over described projection (22) and described motion final position (23) is formed。
2. medical treatment suture instruments according to claim 1, it is characterized in that, before described guide finger (121) moves to described projection (22) along described gathering sill (21) and after described guide finger (121) slips over described projection (22) along described gathering sill (21), the other end (1212) of described guide finger (121) is positioned at the outside of described fairlead (122)。
3. medical treatment suture instruments according to claim 1, it is characterized in that, before described guide finger (121) moves to described projection (22) along described gathering sill (21) and after described guide finger (121) slips over described projection (22) along described gathering sill (21), the other end (1212) of described guide finger (121) contacts with described gathering sill (21)。
4. medical treatment suture instruments according to claim 1, it is characterized in that, slip in the process of described projection (22) at described guide finger (121), described guide finger (121) first passes through the described elastomeric element of compression (123) to the internal motion of described fairlead (122), then is subject to the thrust external movement to described fairlead (122) of described elastomeric element (123)。
5. medical treatment suture instruments according to claim 1, it is characterized in that, described guide finger (121) includes Part I (1213) and Part II (1214), wherein, one 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 treatment suture instruments according to claim 5, it is characterized in that, slip in the process of described projection (22) at described guide finger (121), described Part II (1214) is made described Part I (1213) compress described elastomeric element (123) to described fairlead (122) internal motion by the extruding of described projection (22), then is subject to the thrust external movement to described fairlead (122) of described elastomeric element (123)。
7. medical treatment suture instruments according to claim 1, also include nail supporting base (3), it is characterized in that, described motion final position (23) is arranged on the end of described gathering sill (21), described end, near described nail supporting base (3), is provided with projection (22) on the described gathering sill (21) of described end。
8. medical treatment suture instruments according to claim 1, it is characterised 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 characterised in that described medical treatment suture instruments is anastomat or stiching instrument。
10. medical treatment suture instruments according to claim 9, it is characterised in that described anastomat is tube type anastomat。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410418202.8A CN104323810B (en) | 2014-08-22 | 2014-08-22 | A kind of medical suture instruments with spindle gear |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410418202.8A CN104323810B (en) | 2014-08-22 | 2014-08-22 | A kind of medical suture instruments with spindle gear |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104323810A CN104323810A (en) | 2015-02-04 |
| CN104323810B true CN104323810B (en) | 2016-06-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410418202.8A Expired - Fee Related CN104323810B (en) | 2014-08-22 | 2014-08-22 | A kind of medical suture instruments with spindle gear |
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Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100466995C (en) * | 2005-12-29 | 2009-03-11 | 张祖仁 | Digestive tract cast stapler |
| US8136712B2 (en) * | 2009-12-10 | 2012-03-20 | Ethicon Endo-Surgery, Inc. | Surgical stapler with discrete staple height adjustment and tactile feedback |
| US9220505B2 (en) * | 2011-12-16 | 2015-12-29 | Ethicon Endo-Surgery, Inc. | Surgical stapling instrument with locking feature to lock anvil actuator |
| CN203341780U (en) * | 2013-07-17 | 2013-12-18 | 苏州澳力欣精密技术有限公司 | Adjusting handle for tube-type stapler |
| CN203988195U (en) * | 2014-08-22 | 2014-12-10 | 天津万和医疗器械有限公司 | A kind of medical suture instruments with spindle gear |
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| CN104323810A (en) | 2015-02-04 |
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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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Granted publication date: 20160622 Termination date: 20210822 |
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| CF01 | Termination of patent right due to non-payment of annual fee |