CN204379347U - Nail bin groupware and use the Medical stapler of this nail bin groupware - Google Patents
Nail bin groupware and use the Medical stapler of this nail bin groupware Download PDFInfo
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- CN204379347U CN204379347U CN201420857282.2U CN201420857282U CN204379347U CN 204379347 U CN204379347 U CN 204379347U CN 201420857282 U CN201420857282 U CN 201420857282U CN 204379347 U CN204379347 U CN 204379347U
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- nail bin
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- anvil
- bin groupware
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Abstract
This utility model discloses a kind of nail bin groupware and uses the Medical stapler of this nail bin groupware, this nail bin groupware comprises nail anvil, the nail bin of pivotally connected described nail anvil and I-shaped cutter, wherein, nail anvil comprises nail anvil face, nail bin comprises nail bin face, I-shaped cutter comprises the first end coordinated with nail anvil, the second end coordinated with nail bin, and is arranged at the cutting part between first end and the second end; Nail anvil also comprises the boss being arranged at pivoting point near-end, and when nail bin groupware is positioned at make position and firing position, the summit of boss and the vertical dimension in nail anvil face are greater than the vertical dimension in first end and nail anvil face.The nail bin groupware that this utility model provides and use the Medical stapler of this nail bin groupware, by arranging boss at nail anvil near-end, making I-shaped cutter by promoting boss to drive the pivotable of nail anvil, simple and stable structure, reducing the production cost of nail bin groupware and Medical stapler.
Description
Technical field
This utility model relates to technical field of medical instruments, particularly relates to a kind of nail bin groupware and uses the Medical stapler of this nail bin groupware.
Background technology
A kind of medical apparatus and instruments that anastomat often uses when being and carrying out surgical operation to physiological tissues such as intestinals, it is the equipment that the alternative traditional-handwork medically used is sewed up, due to the development of modern science and technology and the improvement of manufacturing technology, the anastomat reliable in quality used clinically at present, easy to use, tightly, degree of tightness is suitable, especially its stitching is quick, easy and simple to handle and seldom have the advantage such as side effect and postoperative complication, sometimes the tumor operation that cannot excise of also making over is able to lesion resection, very by favor and the high praise of domestic and international Clinical Surgery doctor.
In the mirror surgical operation of chamber, chamber mirror surgical incision anastomat is normally used for the cutting anastomosis operations such as esophagus in digestive tract, Stomach duodenum, small intestinal, colon, rectum, vermiform appendix, gallbladder, pancreas and spleen, also the cutting such as lung and trachea anastomosis operation in respiratory tract is used to, also be used to the cutting such as bladder and uterus anastomosis operation in genitourinary system, can operating time be reduced, improve surgical quality.
Summary of the invention
The purpose of this utility model is the Medical stapler providing a kind of nail bin groupware and use this nail bin groupware.
For achieving the above object, this utility model one embodiment provides a kind of nail bin groupware, comprise nail anvil, the nail bin of pivotally connected described nail anvil and I-shaped cutter, wherein, nail anvil comprises nail anvil face, nail bin comprises nail bin face, and I-shaped cutter comprises the first end coordinated with nail anvil, the second end coordinated with nail bin, and is arranged at the cutting part between first end and the second end; Nail anvil also comprises the boss being arranged at pivoting point near-end, and when nail bin groupware is positioned at make position and firing position, the summit of boss and the vertical dimension in nail anvil face are greater than the vertical dimension in first end and nail anvil face.
As the further improvement of this utility model one embodiment, the opposing setting of boss and nail anvil face, and extend along the direction perpendicular to nail anvil face.
As the further improvement of this utility model one embodiment, boss is extended to form to deviating from direction, nail anvil face by nail anvil near-end end points.
As the further improvement of this utility model one embodiment, nail anvil comprises two and extends in parallel and axially symmetrical long element, and boss is arranged on each long element.
As the further improvement of this utility model one embodiment, first end is also provided with a butting section, and when nail bin groupware is positioned at initial position, butting section contacts with boss, and applies an active force that nail anvil face and nail bin face are stayed open to nail anvil.
As the further improvement of this utility model one embodiment, the bottom surface that first end comprises proximal end face and coordinates with nail anvil, butting section is the fillet or the chamfering that connect proximal end face and bottom surface.
As the further improvement of this utility model one embodiment, nail bin groupware also comprises locating part, and when nail-anvil assembly is positioned at initial position, I-shaped cutter and locating part combined effect make nail anvil and nail bin keep geo-stationary.
As the further improvement of this utility model one embodiment, locating part is transfer block, this transfer block and nail bin frame pivotally connected.
As the further improvement of this utility model one embodiment, nail bin comprises nail bin frame and staple cartridge body, nail anvil and nail bin frame one is provided with convex axle, another arranges groove, convex axle and fit depressions, make nail anvil and nail bin pivotally connected.
For achieving the above object, this utility model one embodiment provides a kind of Medical stapler, comprises above-mentioned nail bin groupware.
Compared with prior art, the nail bin groupware that this utility model provides and use the Medical stapler of this nail bin groupware, by arranging boss at nail anvil near-end, make I-shaped cutter by promoting boss to drive the pivotable of nail anvil, simple and stable structure, reduces the production cost of nail bin groupware and Medical stapler.
Accompanying drawing explanation
Fig. 1 is the structural representation of this utility model Medical stapler one embodiment;
Fig. 2 is the structural representation of nail bin groupware one embodiment jaw when opening;
Fig. 3 is the structural representation of nail bin groupware one embodiment jaw when closing;
Fig. 4 is the top view of nail anvil one embodiment;
Fig. 5 is the front view of nail anvil one embodiment;
Fig. 6 is the right side view of nail anvil one embodiment;
Fig. 7 is the front view of I-shaped cutter one embodiment;
Fig. 8 is the right side view of I-shaped cutter one embodiment;
Fig. 9 is the top view of nail bin groupware one embodiment jaw when opening;
Figure 10 is the sectional view in Fig. 9 A-A direction;
Figure 11 is the top view of nail bin groupware one embodiment jaw when closing;
Figure 12 is the sectional view in Figure 11 A-A direction.
Detailed description of the invention
Below with reference to detailed description of the invention shown in the drawings, this utility model is described in detail.But these embodiments do not limit this utility model, the structure that those of ordinary skill in the art makes according to these embodiments, method or conversion functionally are all included in protection domain of the present utility model.
Expression position described in this description and the word in direction are all using exercises on apparatus author as reference, and be near-end near one end of operator, the one end away from operator is far-end.Meanwhile, in this application, the below of definition anastomat is the direction that gripping handle is extended by housing, relative with below this, is namely defined as the top of anastomat.
In embodiment of the present utility model, with chamber mirror surgical incision anastomat for example does concrete explaination to Medical stapler of the present utility model, but it should be noted that skill spirit involved in following embodiment can use on the anastomat of other form with being replaced.
With reference to Fig. 1 and Fig. 2, Medical stapler 100 is for being applied to the physiological tissue of human body by multiple suturing nail, simultaneously corresponding to physiological tissue's enforcement cutting.Medical stapler 100 comprises apparatus platform 10 and nail bin groupware 20, both with the use of.Apparatus platform 10 provides power percussion mechanism and connecting rod 11.Connecting rod 11 near-end connects power percussion mechanism, and far-end connects nail bin groupware 20.Power percussion mechanism is provided with gripping handle 12.The general far-end being installed on connecting rod 11 by helical structure, riveted construction or other structure movements matched of nail bin groupware 20, to be connected with apparatus platform 10 easily or to dismantle.So, used nail bin groupware 20 can be reused or disposable nail bin groupware 20 can be removed from apparatus platform 10, and is replaced with original disposable staple cartridge assembly 20.Or nail bin groupware 20 also can be integrally permanent and be directly connected to the far-end of the apparatus platform 10 of anastomat.
Nail bin groupware 20 comprises nail anvil 21 and the nail bin of pivotable connection, and nail anvil 21 is positioned at above nail bin, and nail anvil 21 comprises a nail anvil face 211, and nail bin comprises a nail bin face 223 relative with nail anvil face.When nail anvil 21 and nail bin close, physiological tissue fixes to clamp between nail anvil face 211 and nail bin face 223, so as to carry out cutting, the operation such as stitching.Nail bin comprises staple cartridge body 22 and nail bin frame 23, and nail bin frame 23 is the bracket of strip, carrying staple cartridge body 22 and/or push broach bar 24.
Fig. 1 illustrates in this utility model one embodiment, and nail bin frame 23 far-end holds staple cartridge body 22, and nail bin frame 23 near-end holds nail bin connector 27.Push broach bar surrounds to form in elongate channel at nail bin frame 23 and nail bin connector 27 and extends and move back and forth, and the far-end of push broach bar is connected with I-shaped cutter 25, and the near-end of push broach bar is connected with apparatus platform 10, and the power percussion mechanism by apparatus platform 10 drives.The nail bin groupware 20 of structure like this is not bent direct rod shape.
Shown in Fig. 1, nail bin groupware 20 also comprises to be located in staple cartridge body 22 and can simultaneously relative to ejector pin bar and the I-shaped cutter 25 of staple cartridge body 22 movement, and for driving the firing lock of ejector pin bar and I-shaped cutter 25 movement.I-shaped cutter 25 is connected with push broach bar far-end, and this connection can be fixedly connected with by welding or the mode such as one-body molded, also can be dismountable flexible connection.Nail anvil 21 and staple cartridge body 22 all arrange tool slot, and I-shaped cutter 25 is advanced along tool slot by push broach bar and retracted.The arranged on both sides of the inherent tool slot of staple cartridge body 22 is provided with nail bin hole, is provided with pushing slice of nail and suturing nail in nail bin hole; Percussion block is also provided with in staple cartridge body 22.During percussion, under the driving of firing lock, push broach bar 24 drives the I-shaped cutter 25 being positioned at its far-end to move to apparatus far-end, simultaneously, I-shaped cutter 25 also drives percussion block successively pushing slice of nail to be pushed to nail anvil 21, now suturing nail is also pushed to nail anvil 21 by pushing slice of nail successively, and the physiological tissue achieved between staple cartridge body 22 and nail anvil 21 is sewed up; Meanwhile, physiological tissue cuts off by I-shaped cutter 25.
Fig. 2 and Fig. 3 illustrates the another embodiment of the nail bin groupware 20 of this utility model Medical stapler, and the difference of itself and last embodiment is, nail bin groupware 20 is bent.
In this embodiment, nail bin frame 23 holds staple cartridge body 22, and the far-end of nail bin connector (not shown) is connected with the near-end of nail bin frame 23, and nail bin connector holds push broach bar 24.Nail bin frame 23 near-end is flexibly connected by upper and lower transfer block with the far-end of nail bin connector, and being formed can the joint of bending.In conjunction with reference to Fig. 2 ~ Fig. 5, upper and lower transfer block 26, about 27 adjoins, between upper and lower transfer block 26,27 and be pivotable between lower transfer block 27 with nail bin frame 23 and be connected.Push broach bar 24 adopts can the elastic construction of bending.The nail bin groupware 20 of structure like this can bend at the junction point place of nail bin frame 23 with nail bin connector, and the direction in direction and cutting physiological tissue that operator grips anastomat can be angled, operation technique of being more convenient for.
With reference to shown in Fig. 4, nail anvil 21 extends in parallel by two and axially symmetrical long element 211,212 is formed, and the gap between long element 211,212 is the tool slot of I-shaped cutter 25 on nail anvil 21.Long element 211,212 is connected at the far-end of nail anvil 21.Long element 211,212 arranges convex axle 213 respectively in the lateral wall of nail anvil 21 near-end.
With reference to shown in Fig. 2 to Fig. 3, the far-end of nail anvil 21 is free end, and near-end is connected with nail bin frame 23.Particularly, the near-end two side of nail bin frame 23 is formed with groove 230 respectively, and groove 230 coordinates with the convex axle 213 of nail anvil 21.Convex axle 213 is arranged on groove 230, with make the near-end of nail anvil 21 and nail bin frame 23 pivotally connected.
It is to be appreciated that above-mentioned convex axle 213 can exchange with the position of groove 230, namely convex axle 213 is arranged at nail bin frame 23 sidewall, and groove is arranged at nail anvil 21 proximal lateral wall, can realize nail anvil 21 equally and be connected with the pivotable of nail bin frame 23.
With reference to shown in Fig. 4 to Fig. 6, long element 211,212 arranges boss 214 at convex axle 213 near-end.Boss 214 protrudes from the upper surface of long element 211,212, to extend along perpendicular to the direction in nail anvil face 211 with the opposing setting in nail anvil face 211.Boss 214 and long element 211,212 one-body molded.
Boss 214 shown in figure is positioned at long element 211,212 near-end end points place, but in enforceable mapping mode, boss 214 position is not limited to end points.
With reference to shown in Fig. 7 and Fig. 8, I-shaped cutter 25 cutting part far-end is cutting edge 251, and the upper and lower two ends of cutting part are extending perpendicular on the direction of cutting part, forms end 252, this pair of end portions 252 is engaged to the tool slot of nail anvil 21 and nail bin respectively, moves back and forth along tool slot to make I-shaped cutter 25.The upper end 252 coordinated with nail anvil, its proximal end face 2524 and the junction of bottom surface are the butting section of I-shaped cutter 25 and boss 214.Preferably, this junction arranges chamfering or fillet, is conducive to the relative motion of I-shaped cutter 25 on nail anvil boss 214 distal face.
With reference to shown in Fig. 9 and Figure 10, when this utility model Medical stapler 100/ nail bin groupware 20 is in original state, the jaw that nail anvil 21 is preset with nail bin 22 flare up, facilitates the placement of physiological tissue.Particularly, I-shaped cutter 25 is positioned at the near-end of nail bin groupware 20, the proximal end face 2524 of I-shaped cutter 25 upper end 252 abuts the distal face of the pair of projections 214 of nail anvil 21, makes boss 214 depart from vertical direction and be partial to the near-end of apparatus, and supports the distal face at upper connector 26.
With reference to shown in Figure 11 and Figure 12, when Medical stapler 100/ nail bin groupware 20 is in closure state, drive by I-shaped cutter 25, nail anvil 21 and nail bin close, physiological tissue to be cut can be clamped therebetween, I-shaped cutter 25 is for original state, and the far-end to Medical stapler 100/ nail bin groupware 20 moves certain distance, but is still positioned at the near-end of nail bin groupware 20 in general.
Particularly, in the closing course of apparatus, I-shaped cutter 25 distally moves, and the far-end pressing nail anvil 21 gradually of its upper end 252, makes it turn to the direction of nail bin 22, and the nail anvil 21 until fit completely in upper end 252, reaches closure state.In the process, the angle that boss 214 departs from vertical direction also reduces gradually until reply vertical direction, now, the proximal end face 2524 of the upper end 252 of I-shaped cutter 25 does not abut with nail anvil boss 214 distal face or just abuts, and the boss 214 of I-shaped cutter 25 pairs of nail anvils 21 does not apply active force.
When apparatus closes, the vertical dimension in boss 214 summit and nail anvil face 211 is greater than the vertical dimension in I-shaped cutter upper end 252 and nail anvil face 211, and namely boss 214 and the ultimate range in nail anvil face 211 are greater than the minimum range in I-shaped cutter upper end 252 and nail anvil face 211.It is relevant that boss 214 apex height and nail bin and nail anvil 21 preset the maximum angle that need open jaw.
When Medical stapler 100/ nail bin groupware 20 is in cock, nail anvil 21 and nail bin still remain closed, and I-shaped cutter 25 is distally moved by the near-end of nail bin groupware 20, the tissue of cutting clamping, and it is mobile to be subject to spacing stopping at the far-end of nail bin groupware 20.
After percussion completes, jaw needs to be opened into default angle, is convenient to the taking-up of physiological tissue, or needs under specific circumstances to change nail bin.Specifically be achieved in that and drive power percussion mechanism by gripping handle 12, proximally draw push broach bar 24, I-shaped cutter 25 can be driven proximally to move, until the proximal end face 2524 of I-shaped cutter upper end 252 abuts the distal face of nail anvil 21 pair of projections 214.Now, I-shaped cutter 25 continues proximally to move, and butting section exerts a force to boss 214, and promote nail anvil 21 and rotate around convex axle 213, nail anvil 21 and nail bin far-end open, until the pair of projections 214 of nail anvil 21 is inconsistent and stops movement with upper transfer block 26.Now, Medical stapler 100/ nail bin groupware 20 replys original state again.
So, promote by I-shaped cutter 25 pivotable that boss 214 realizes nail anvil, control nail bin face 223 being opened with nail anvil face 211 and closing, and it utilizes push broach assembly to operate jaw folding, simplifies the operating mechanism of anastomat, reduces costs, and for ease of maintenaince.
Be understandable that, in the embodiment that nail bin groupware 20 is not bent, do not need to arrange upper and lower transfer block.Now, can arrange locating part apparently in the position corresponding to transfer block, when rotating to certain angle of nip to make nail anvil 21, the pair of projections of nail anvil 214 is inconsistent and stop being rotated further with the far-end end face of locating part.The concrete structure of locating part is those skilled in the art's Conventional wisdom scope, and therefore not to repeat here.
Be to be understood that, although this description is described according to embodiment, but not each embodiment only comprises an independently technical scheme, this narrating mode of description is only for clarity sake, those skilled in the art should by description integrally, technical scheme in each embodiment also through appropriately combined, can form other embodiments that it will be appreciated by those skilled in the art that.
A series of detailed description listed is above only illustrating for feasibility embodiment of the present utility model; they are also not used to limit protection domain of the present utility model, all do not depart from this utility model skill equivalent implementations of doing of spirit or change all should be included within protection domain of the present utility model.
Claims (10)
1. a nail bin groupware, comprise nail anvil, the nail bin of pivotally connected described nail anvil and I-shaped cutter, wherein, described nail anvil comprises nail anvil face, described nail bin comprises nail bin face, described I-shaped cutter comprises the first end coordinated with described nail anvil, the second end coordinated with described nail bin, and is arranged at the cutting part between described first end and described the second end; It is characterized in that, described nail anvil also comprises the boss being arranged at pivoting point near-end, when described nail bin groupware is positioned at make position and firing position, the summit of described boss and the vertical dimension in described nail anvil face are greater than the vertical dimension in described first end and described nail anvil face.
2. nail bin groupware according to claim 1, is characterized in that, described boss and the opposing setting in described nail anvil face, and extends along the direction perpendicular to described nail anvil face.
3. nail bin groupware according to claim 1, is characterized in that, described boss is extended to form to deviating from direction, described nail anvil face by described nail anvil near-end end points.
4. nail bin groupware according to claim 1, described nail anvil comprises two and extends in parallel and axially symmetrical long element, and described boss is arranged on each long element.
5. nail bin groupware according to claim 1, it is characterized in that, a butting section is also provided with at described first end, when described nail bin groupware is positioned at initial position, described butting section contacts with described boss, and applies an active force that described nail anvil face and described nail bin face are stayed open to described nail anvil.
6. nail bin groupware according to claim 5, is characterized in that, the bottom surface that described first end comprises proximal end face and coordinates with described nail anvil, and described butting section is the fillet or the chamfering that connect described proximal end face and described bottom surface.
7. nail bin groupware according to claim 5, is characterized in that, described nail bin groupware also comprises locating part, and when described nail-anvil assembly is positioned at initial position, described I-shaped cutter and described locating part combined effect make described nail anvil and described nail bin keep geo-stationary.
8. nail bin groupware according to claim 7, is characterized in that, described locating part is transfer block, described transfer block and nail bin frame pivotally connected.
9. nail bin groupware according to claim 1, is characterized in that, described nail bin comprises nail bin frame and staple cartridge body, described nail anvil and described nail bin frame one are provided with convex axle, another arranges groove, described convex axle and fit depressions, make described nail anvil and described nail bin pivotally connected.
10. a Medical stapler, is characterized in that, comprises the arbitrary described nail bin groupware of claim 1 ~ 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420857282.2U CN204379347U (en) | 2014-12-30 | 2014-12-30 | Nail bin groupware and use the Medical stapler of this nail bin groupware |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420857282.2U CN204379347U (en) | 2014-12-30 | 2014-12-30 | Nail bin groupware and use the Medical stapler of this nail bin groupware |
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| CN204379347U true CN204379347U (en) | 2015-06-10 |
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| CN201420857282.2U Active CN204379347U (en) | 2014-12-30 | 2014-12-30 | Nail bin groupware and use the Medical stapler of this nail bin groupware |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109984788A (en) * | 2017-12-29 | 2019-07-09 | 江苏风和医疗器材股份有限公司 | Knife rest and surgical cutting anastomat thereof |
| CN113017828A (en) * | 2021-03-01 | 2021-06-25 | 锐志微创医疗科技（常州）有限公司 | End mechanism of surgical robot |
-
2014
- 2014-12-30 CN CN201420857282.2U patent/CN204379347U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109984788A (en) * | 2017-12-29 | 2019-07-09 | 江苏风和医疗器材股份有限公司 | Knife rest and surgical cutting anastomat thereof |
| CN109984788B (en) * | 2017-12-29 | 2022-05-13 | 江苏风和医疗器材股份有限公司 | Knife rest and surgical cutting anastomat thereof |
| CN113017828A (en) * | 2021-03-01 | 2021-06-25 | 锐志微创医疗科技（常州）有限公司 | End mechanism of surgical robot |
| CN113017828B (en) * | 2021-03-01 | 2023-03-14 | 锐志微创医疗科技（常州）有限公司 | End mechanism of surgical robot |
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