CN204445992U - A kind of surgical instruments controlled bender structure and there is control bender structure - Google Patents
A kind of surgical instruments controlled bender structure and there is control bender structure Download PDFInfo
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- CN204445992U CN204445992U CN201520036630.4U CN201520036630U CN204445992U CN 204445992 U CN204445992 U CN 204445992U CN 201520036630 U CN201520036630 U CN 201520036630U CN 204445992 U CN204445992 U CN 204445992U
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- angle
- spanner
- angular range
- bender structure
- cam lock
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Abstract
This utility model provides a kind of surgical instruments controlled bender structure and have control bender structure, and described control bender structure comprises: steering power input mechanism A, steering gear B, locking mechanism C, straight line power take-off mechanism D; Further: steering power input mechanism A and the steering gear B of coaxial setting have opposed rotatable angular range in the circumferential; The process that steering power input mechanism A rotates from one end angle of described opposed rotatable angular range to other end angle relative to steering gear B, steering power input mechanism A is successively through relative angle: angle I, angular range II, angle III; Wherein angle I or angle III correspondence is turned, and angular range II corresponds to lockup state.When this utility model can solve surgical operation, the turning of human body medical appliance and fixation problem, reduce the risk of operation.
Description
Technical field
This utility model relates to a kind of control bender structure for surgical stapling, especially for the turning of control chamber mirror anastomat jaw and the mechanism of locking.
Background technology
The action principle of surgical stapling is closed with grasping tissue by two corresponding jaws (being commonly referred to nail-anvil assembly and nail bin groupware), then the metal suture nail in anastomat nail storehouse is released molding, by tissue apposition together.In some anastomat, cutter are also housed, open for the tissue sewed up is cut off.
Along with the progress of technology, traditional operation mode is turn-around chamber videoendoscopic surgery gradually.Endoscope-assistant surgery is exactly the minimal incision * doing several diameter 5 ~ 12 millimeters at the different parts of abdominal part or chest, pick-up lens and various special operating theater instruments is inserted by these minimal incision *, by the image transmitting of the various internal organs of intraperitoneal captured by the Intraabdominal photographic head of insertion on telescreen, surgeon, by observing image, handles various operating theater instruments to complete operation.
Wherein, the role of most critical played the part of by mirror anastomat in chamber in operation.Due to the restriction of abdominal cavity or breast cavity space, traditional line chamber mirror anastomat in some extreme environments, effectively can not arrive that operative site carries out clamping, cross-section, anastomosed tissue, so need the elbow anastomat that a kind of anastomat jaw (comprising nail-anvil assembly and nail bin groupware) can be turned.Under linear state, this elbow anastomat of turning enters thoracic cavity or abdominal cavity by perforator, curves certain angle by controlling curved mechanism controls jaw above external handle, and operative site is clamped, the sequence of operations such as cross-section, identical.After having performed the operation, again become linear state, exit external.
As can be seen here, reasonably control bender structure in the urgent need to one, control the angle needed for the rotation of anastomat jaw, conveniently carry out hands art; Meanwhile, anastomat jaw, in required angle secure lock, prevents under not expected strength, produces potential safety hazard.
Utility model content
For defect of the prior art, an object of the present utility model is: design a kind of easy controlling organization, reaching the object that anastomat jaw is turned, making anastomat jaw be locked in selected angle simultaneously by pulling spanner.Like this, at thoracic cavity or intraperitoneal, even if anastomat jaw is subject to not expected strength, jaw can not be made to turn, thus reduce potential risks.
According to the one control bender structure that this utility model provides, comprising: form the spanner of steering power input mechanism A and the lifting ring with spanner synchronous axial system; Form the central shaft of steering gear B; Form cam lock, stage clip, the swivel head of locking mechanism C; Further, cam lock is engaged in steering gear B; Form the tooth bar of straight line power take-off mechanism D; Wherein, tooth bar is engaged in setting gear on center shaft; Further: steering power input mechanism A and the steering gear B of coaxial setting have opposed rotatable angular range in the circumferential; The process that steering power input mechanism A rotates from one end angle of described opposed rotatable angular range to other end angle relative to steering gear B, steering power input mechanism A is successively through relative angle: angle I, angular range II, angle III; When steering power input mechanism A is in described angular range II, under the ordering about of stage clip, cam lock engaging lock, makes to keep geo-stationary between steering gear B and straight line power take-off mechanism D to lock steering gear B due to swivel head; When steering power input mechanism A is in described angle I, cam lock under the ordering about of lifting ring disengaging swivel head to discharge steering gear B, further, steering gear B can rotate to the first circumferencial direction away from angular range II with steering power input mechanism A and drive straight line power take-off mechanism D to be subjected to displacement; When steering power input mechanism A is in described angle III, cam lock under the ordering about of lifting ring disengaging swivel head to discharge steering gear B, further, steering gear B can rotate to the second circumferencial direction away from angular range II with steering power input mechanism A and drive straight line power take-off mechanism D to be subjected to displacement; Wherein, the first circumferencial direction is contrary with the second circumferencial direction.
Preferably, the angular range between angle I and angle III forms described angular range II.
Preferably, swivel head opening part is along the circumferential direction provided with multiple engaging lock location, and along with the rotation of cam lock, cam lock can engage swivel head and locate in the engaging lock of correspondence.
Preferably, the pin-and-hole of spanner is coordinated by pin with the scallop hole of central shaft; The angle of scallop hole forms described opposed rotatable angular range; Spanner extends boss downwards, and lifting ring is provided with spanner mating groove, and boss is engaged in spanner mating groove.
Preferably, when pin is positioned at one end of scallop hole, described spanner is in angle I; When pin is positioned at the other end of scallop hole, described spanner is in angle III; When the region of pin between one end and the other end of scallop hole, described spanner is in angular range II.
Preferably, lifting ring is provided with driving inclined-plane, cam lock is provided with passive inclined-plane, and passive inclined-plane is matched with driving inclined-plane; When rotating in angular range II under the driving of lifting ring at spanner, lifting ring and cam lock relatively rotate; When turning to angle I and angle III under the driving of lifting ring at spanner, drive passive inclined-plane that cam lock is locked with engaging of swivel head to depart from away from swivel head by driving inclined-plane.
Preferably, spanner is provided with cover plate, and cam lock is provided with stage clip supporting surface, and stage clip is connected between cover plate and stage clip supporting surface.
Preferably, the opening of swivel head is provided with positive stop lug boss, described spanner is provided with the angle limit groove coordinated with positive stop lug boss.
According to a kind of surgical instruments with control bender structure that this utility model provides, comprise above-mentioned control bender structure.
Preferably, described surgical instruments is surgical stapling, and the straight line power take-off mechanism D of described control bender structure connects the jaw of anastomat.
Compared with prior art, this utility model has following beneficial effect:
1, by this utility model, one or more position can be locked in operation, make anastomat jaw curve and be fixed to desired position, complete operation.
2, mechanism of the present utility model is simple, and part is few, and most of part adopts Shooting Technique manufacture, manufactures simple, with low cost.
3, the control bender structure that this utility model provides can be widely used on other mechanically actuated parts, is easy to control and switching.
Accompanying drawing explanation
By reading the detailed description done non-limiting example with reference to the following drawings, other features, objects and advantages of the present utility model will become more obvious:
Fig. 1 is the surgical stapling subjectivity figure comprising control bender structure;
Fig. 2 is the subjectivity figure of control bender structure;
Fig. 3 is the fractionation CONSTRUCTED SPECIFICATION figure of control bender structure;
Fig. 4 is the top view of control bender structure swivel head part;
In figure:
1-spanner;
102-pin-and-hole;
104-cover plate;
105-boss;
3-central shaft;
301-gear;
303-scallop hole;
304-link slot;
5-tooth bar;
501-rack structure;
6-sells;
7-swivel head upper part;
701-opening;
702-locates teeth groove;
8-lifting ring;
801-spanner mating groove;
802-drives inclined-plane;
9-cam lock;
901-connects boss;
902-positioning tooth;
903-stage clip supporting surface;
The passive inclined-plane of 904-;
10-stage clip.
Detailed description of the invention
Below in conjunction with specific embodiment, this utility model is described in detail.Following examples will contribute to those skilled in the art and understand this utility model further, but not limit this utility model in any form.It should be pointed out that to those skilled in the art, without departing from the concept of the premise utility, some distortion and improvement can also be made.These all belong to protection domain of the present utility model.
This utility model provides a kind of surgical instruments with control bender structure, comprises control bender structure.Described surgical instruments is surgical stapling, and the straight line power take-off mechanism D of described control bender structure connects the jaw of anastomat.
As shown in Figure 1, this utility model provides a kind of surgical stapling for chamber mirror with control bender structure.This chamber mirror surgical stapling comprises a tubular structure, and tubular structure distal end has anastomat jaw, and near-end connects control bender structure.
Be the control bender structure in this utility model as shown in Figure 2, described control bender structure comprises: spanner 1, swivel head upper part 7, wherein spanner 1 is arranged on swivel head upper part 7.
Particularly, described control bender structure, comprising: form the spanner of steering power input mechanism A and the lifting ring with spanner synchronous axial system; Form the central shaft 3 of steering gear B; Form cam lock 9, stage clip 10, the swivel head upper part 7 of locking mechanism C; Further, cam lock 9 is engaged in steering gear B; Form the tooth bar 5 of straight line power take-off mechanism D; Wherein, tooth bar 5 is engaged in the gear 301 be arranged on central shaft 3; Further: steering power input mechanism A and the steering gear B of coaxial setting have opposed rotatable angular range in the circumferential; The process that steering power input mechanism A rotates from one end angle of described opposed rotatable angular range to other end angle relative to steering gear B, steering power input mechanism A is successively through relative angle: angle I, angular range II, angle III; When steering power input mechanism A is in described angular range II, under the ordering about of stage clip 10, cam lock 9 engaging lock, makes to keep geo-stationary between steering gear B and straight line power take-off mechanism D to lock steering gear B due to swivel head; When steering power input mechanism A is in described angle I, cam lock 9 under the ordering about of lifting ring 8 disengaging swivel head to discharge steering gear B, further, steering gear B can rotate to the first circumferencial direction away from angular range II with steering power input mechanism A and drive straight line power take-off mechanism D to be subjected to displacement; When steering power input mechanism A is in described angle III, cam lock 9 under the ordering about of lifting ring 8 disengaging swivel head to discharge steering gear B, further, steering gear B can rotate to the second circumferencial direction away from angular range II with steering power input mechanism A and drive straight line power take-off mechanism D to be subjected to displacement; Wherein, the first circumferencial direction is contrary with the second circumferencial direction.
Be illustrated in figure 3 the one control bender structure that this utility model first embodiment provides, comprise: spanner 1, central shaft 3, lifting ring 8, cam lock 9, swivel head upper part 7, stage clip 10; Wherein swivel head upper part 7, has an opening 701, inside has a series of locating slot 702; Central shaft 3, axle has gear 301, by connecting tooth bar 5, and further by being placed in the connecting device of tubular structure inside, connects anastomat jaw; Lifting ring 8, coaxially arranged with central shaft 3, containing driving inclined-plane 802; Cam lock 9, coaxially arranged with central shaft 3, containing connecting boss 901, being connected with central shaft 3, simultaneously containing passive inclined-plane 904, coordinating with the driving inclined-plane 802 of lifting ring 8, another containing positioning tooth 902; Spanner 1, is coordinated by boss 105 with lifting ring 8, and is connected with central shaft 3 by pin 6; Stage clip 10, is placed between spanner 1 and lifting ring 8.
Preferably, the angular range between angle I and angle III forms described angular range II.
Preferably, swivel head opening part is along the circumferential direction provided with multiple engaging lock location, and along with the rotation of cam lock 9, cam lock 9 can engage swivel head and locate in the engaging lock of correspondence.
More specifically, described surgical instruments is surgical stapling, and the straight line power take-off mechanism D of described control bender structure connects the jaw of anastomat.Wherein, the locating slot 702 on swivel head has a centre position, makes anastomat jaw be in linear state.
Preferably, the pin-and-hole 102 of spanner 1 is coordinated by pin 6 with the scallop hole 303 of central shaft 3; The angle of scallop hole 303 forms described opposed rotatable angular range; Spanner 1 extends boss 105 downwards, and lifting ring 8 is provided with spanner mating groove 801, and boss 105 is engaged in spanner mating groove 801.
Preferably, when pin 6 is positioned at one end of scallop hole 303, described spanner 1 is in angle I; When pin 6 is positioned at the other end of scallop hole 303, described spanner 1 is in angle III; When the region of pin 6 between one end and the other end of scallop hole 303, described spanner 1 is in angular range II.
Preferably, lifting ring 8 is provided with and drives inclined-plane 802, cam lock 9 is provided with passive inclined-plane 904, and passive inclined-plane 904 is matched with and drives inclined-plane 802; When lifting ring 8 rotates under the driving of spanner 1 in angular range II, lifting ring 8 and cam lock 9 relatively rotate; When lifting ring 8 turns to angle I and angle III under the driving of spanner 1, drive passive inclined-plane 904 that cam lock 9 is locked with engaging of swivel head to depart from away from swivel head by driving inclined-plane 802.
Preferably, spanner 1 is provided with cover plate 104, and cam lock 9 is provided with stage clip supporting surface 903, and stage clip 10 is connected between cover plate 104 and stage clip supporting surface 903.
Preferably, the opening of swivel head is provided with positive stop lug boss, described spanner 1 is provided with the angle limit groove coordinated with positive stop lug boss.
As shown in Figure 4, the locating slot 702 on swivel head is circumference array distributions, and the angular distribution of each locating slot 702 is Unequal distance.In addition, the opening part on swivel head is provided with a positive stop lug boss, guarantees that spanner rotates in certain angle, prevents excessive rotation.
As the change case of the first embodiment that this utility model provides, the angular distribution of each locating slot above-mentioned also can be equal.
More specifically, this utility model is a kind of chamber mirror anastomat control bender structure, comprises spanner 1, stage clip 10, cam lock 9, lifting ring 8, central shaft 3, swivel head upper part 7, tooth bar 5, pin 6.Wherein, swivel head upper part 7 has an opening, can hold spanner 1, stage clip 10, cam lock 9, lifting ring 8, central shaft 3, and the opening on these five parts of above-mentioned spanner 1, stage clip 10, cam lock 9, lifting ring 8, central shaft 3 and swivel head is along coaxially arranged; A series of locating slot 702 is had in opening.These three parts of central shaft 3, lifting ring 8, cam lock 9 are arranged from inside to outside, the connection boss 901 of cam lock 9 coordinates with the link slot 304 of central shaft 3, passive inclined-plane 904 coordinates with the driving inclined-plane 802 of lifting ring 8, and positioning tooth 902 is placed in a series of locating slots 702 on swivel head.The boss 105 of spanner 1 coordinates with the spanner mating groove 801 of lifting ring 8.Stage clip 10 is placed between the stage clip supporting surface 903 of cam lock 9 and the cover plate 104 of spanner 1.The pin-and-hole 102 of spanner 1 is coordinated with the scallop hole 303 of central shaft 3 by pin 6.Tooth bar 5 is placed in swivel head upper part 7, and the gear 301 of central shaft 3 engages.
When rotary spanner time, the boss 105 of spanner 1 drives lifting ring 8 to rotate an angle, lifting ring 8 is by driving the passive inclined-plane 904 of inclined-plane 802 driving cam lock 9, and cam lock 9 is raised, and positioning tooth 902 departs from engagement with the locating slot 702 of swivel head upper part 7; Continue rotary spanner, then pin 6 is with central shaft 3 to rotate by scallop hole 303, and central shaft 3 drives cam lock 9 to rotate, and is with carry-over bar 5 to seesaw simultaneously, plays the effect of turning.
When spanner 1 turns to next position, unclamp spanner 1, stage clip 10 actuating cam lock 9, make positioning tooth 902 snap in another locating slot 702 of swivel head upper part 7, now, cam lock 9 can lock central shaft 3, makes it freely not rotate.Because the positioning tooth 902 of cam lock 9 engages with locating slot 702 straightway of swivel head upper part 7, the rotation of tooth bar 5 driven gear 301 can not make cam lock 9 rotate, and reaches the object of locking.
Opening part on swivel head, has a positive stop lug boss, can limit the anglec of rotation of spanner, avoids rotating excessively.
Above specific embodiment of the utility model is described.It is to be appreciated that this utility model is not limited to above-mentioned particular implementation, those skilled in the art can make various distortion or amendment within the scope of the claims, and this does not affect flesh and blood of the present utility model.
Claims (10)
1. control a bender structure, it is characterized in that, comprising:
-form the spanner (1) of steering power input mechanism A and the lifting ring (8) with spanner (1) synchronous axial system;
The central shaft (3) of-formation steering gear B;
Cam lock (9), stage clip (10), the swivel head (7) of-formation locking mechanism C; Wherein, cam lock (9) is engaged in steering gear B;
The tooth bar (5) of-formation straight line power take-off mechanism D; Wherein, tooth bar (5) is engaged in the gear (301) be arranged on central shaft (3);
Further:
Steering power input mechanism A and the steering gear B of coaxial setting have opposed rotatable angular range in the circumferential; The process that steering power input mechanism A rotates from one end angle of described opposed rotatable angular range to other end angle relative to steering gear B, steering power input mechanism A is successively through relative angle: angle I, angular range II, angle III;
When steering power input mechanism A is in described angular range II, under the ordering about of stage clip (10), cam lock (9) engaging lock, makes to keep geo-stationary between steering gear B and straight line power take-off mechanism D to lock steering gear B due to swivel head (7);
When steering power input mechanism A is in described angle I, cam lock (9) under the ordering about of lifting ring (8) disengaging swivel head (7) to discharge steering gear B, further, steering gear B can rotate to the first circumferencial direction away from angular range II with steering power input mechanism A and drive straight line power take-off mechanism D to be subjected to displacement;
When steering power input mechanism A is in described angle III, cam lock (9) under the ordering about of lifting ring (8) disengaging swivel head (7) to discharge steering gear B, further, steering gear B can rotate to the second circumferencial direction away from angular range II with steering power input mechanism A and drive straight line power take-off mechanism D to be subjected to displacement; Wherein, the first circumferencial direction is contrary with the second circumferencial direction.
2. control bender structure according to claim 1, is characterized in that, the angular range between angle I and angle III forms described angular range II.
3. control bender structure according to claim 2, it is characterized in that, swivel head (7) opening part is along the circumferential direction provided with multiple engaging lock location, along with the rotation of cam lock (9), cam lock (9) can engage swivel head (7) and locate in the engaging lock of correspondence.
4. control bender structure according to claim 1, is characterized in that, the pin-and-hole (102) of spanner (1) is coordinated by pin (6) with the scallop hole (303) of central shaft (3); The angle of scallop hole (303) forms described opposed rotatable angular range;
Spanner (1) extends boss (105) downwards, and lifting ring (8) is provided with spanner mating groove (801), and boss (105) is engaged in spanner mating groove (801).
5. control bender structure according to claim 1, is characterized in that, when pin (6) is positioned at one end of scallop hole (303), described spanner (1) is in angle I; When pin (6) is positioned at the other end of scallop hole (303), described spanner (1) is in angle III; When pin (6) is positioned at the region between one end of scallop hole (303) and the other end, described spanner (1) is in angular range II.
6. control bender structure according to claim 1, it is characterized in that, lifting ring (8) is provided with and drives inclined-plane (802), cam lock (9) is provided with passive inclined-plane (904), and passive inclined-plane (904) are matched with and drive inclined-plane (802);
When lifting ring (8) rotates under the driving of spanner (1) in angular range II, lifting ring (8) and cam lock (9) relatively rotate;
When lifting ring (8) turns to angle I and angle III under the driving of spanner (1), drive passive inclined-plane (904) that cam lock (9) is locked with engaging of swivel head (7) to depart from away from swivel head (7) by driving inclined-plane (802).
7. control bender structure according to claim 5, it is characterized in that, spanner (1) is provided with cover plate (104), cam lock (9) is provided with stage clip supporting surface (903), and stage clip (10) is connected between cover plate (104) and stage clip supporting surface (903).
8. control bender structure according to claim 1, is characterized in that, the opening of swivel head (7) is provided with positive stop lug boss, described spanner (1) is provided with the angle limit groove coordinated with positive stop lug boss.
9. there is a surgical instruments for control bender structure, it is characterized in that, comprise the control bender structure according to any one of claim 1 to 8.
10. surgical instruments according to claim 9, is characterized in that, described surgical instruments is surgical stapling, and the straight line power take-off mechanism D of described control bender structure connects the jaw of anastomat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520036630.4U CN204445992U (en) | 2015-01-19 | 2015-01-19 | A kind of surgical instruments controlled bender structure and there is control bender structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520036630.4U CN204445992U (en) | 2015-01-19 | 2015-01-19 | A kind of surgical instruments controlled bender structure and there is control bender structure |
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| Publication Number | Publication Date |
|---|---|
| CN204445992U true CN204445992U (en) | 2015-07-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520036630.4U Withdrawn - After Issue CN204445992U (en) | 2015-01-19 | 2015-01-19 | A kind of surgical instruments controlled bender structure and there is control bender structure |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104546043A (en) * | 2015-01-19 | 2015-04-29 | 上海逸思医疗科技有限公司 | Turning control mechanism and surgical instrument with the same |
| WO2016115917A1 (en) * | 2015-01-19 | 2016-07-28 | 上海逸思医疗科技有限公司 | Surgical instrument and turning control mechanism thereof |
| CN107411793A (en) * | 2017-08-25 | 2017-12-01 | 上海逸思医疗科技有限公司 | A kind of reusable electronic hysteroscope Endo-GIA |
| CN107693068A (en) * | 2017-10-25 | 2018-02-16 | 宁波维尔凯迪医疗器械有限公司 | A kind of angular transformation mechanism and the stapler with the structure |
| CN109848300A (en) * | 2019-03-28 | 2019-06-07 | 优德精密工业（昆山）股份有限公司 | A kind of rotary punching mechanism |
-
2015
- 2015-01-19 CN CN201520036630.4U patent/CN204445992U/en not_active Withdrawn - After Issue
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104546043A (en) * | 2015-01-19 | 2015-04-29 | 上海逸思医疗科技有限公司 | Turning control mechanism and surgical instrument with the same |
| WO2016115917A1 (en) * | 2015-01-19 | 2016-07-28 | 上海逸思医疗科技有限公司 | Surgical instrument and turning control mechanism thereof |
| WO2016115918A1 (en) * | 2015-01-19 | 2016-07-28 | 上海逸思医疗科技有限公司 | Turning control mechanism and surgical instrument having turning control mechanism |
| CN107411793A (en) * | 2017-08-25 | 2017-12-01 | 上海逸思医疗科技有限公司 | A kind of reusable electronic hysteroscope Endo-GIA |
| CN107693068A (en) * | 2017-10-25 | 2018-02-16 | 宁波维尔凯迪医疗器械有限公司 | A kind of angular transformation mechanism and the stapler with the structure |
| CN107693068B (en) * | 2017-10-25 | 2020-09-08 | 宁波维尔凯迪医疗器械有限公司 | Angle changing mechanism and anastomat with same |
| CN109848300A (en) * | 2019-03-28 | 2019-06-07 | 优德精密工业（昆山）股份有限公司 | A kind of rotary punching mechanism |
| CN109848300B (en) * | 2019-03-28 | 2023-11-21 | 优德精密工业（昆山）股份有限公司 | Rotary stamping mechanism |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20150708 Effective date of abandoning: 20160831 |
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| C25 | Abandonment of patent right or utility model to avoid double patenting |