CN205144657U - But medical side bend abrasive drilling head - Google Patents
But medical side bend abrasive drilling head Download PDFInfo
- Publication number
- CN205144657U CN205144657U CN201520977613.0U CN201520977613U CN205144657U CN 205144657 U CN205144657 U CN 205144657U CN 201520977613 U CN201520977613 U CN 201520977613U CN 205144657 U CN205144657 U CN 205144657U
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- CN
- China
- Prior art keywords
- bistrique
- cutter pipe
- articulated
- medical
- rotation
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn - After Issue
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Abstract
The utility model discloses a but medical side bend abrasive drilling head, include the sword pipe assembly and install in the bistrique of sword pipe assembly front end, the mode setting of bistrique in order can be driven every single move and rotation, interior sword pipe front end passes through the articulated elements and articulates in bistrique formation hinge structure and through this hinge structure and bistrique transmission coordination, through the axis with hinge structure, the every single move axis of bistrique, the rotation axis of bistrique and the rotation axis of articulated elements intersect in a bit, guarantee that the bistrique is in the rotation grinding, can carry out the every single move action along the every single move axis by the drive, moreover, the steam generator is simple in structure, can guarantee that the cutter has less radial dimension, and the bistrique is driven the every single move, it is stable during the rotation, it is smooth, high transmission efficiency is and the transmission structure intensity of drive bistrique rotation is high, can increase grinding efficiency, operation time is shortened, and be suitable for the higher grinding work of intensity, effective security that improves the operation.
Description
Technical field
This utility model relates to medical instruments field, particularly medical can lateral bending crusher drill.
Background technology
In some bone surgeries, sometimes need to carry out grinding to the osseous tissue in patient body; Drive the bistrique being arranged at cutter front end to rotate by power handle and carry out grinding, but operative site comparatively dark and need to ambient side to during grinding due to the grinding direction of the uncontrollable bistrique of external force, make operation very inconvenient; In order to overcome the problems referred to above, there is controlling bistrique pitching and can lateral bending crusher drill around the medical of tool axis revolution, convenient side grinding having been carried out to darker operative site.In prior art, in order to realize elevating movement and carry out while rotating transmission between bistrique and interior cutter pipe, adopt the syndeton of Universal-head, complex structure and control instability, cutter radial size is larger, be easy to produce with other apparatuses of performing the operation interfere, be unfavorable for operation technique, and owing to driving the transmission connecting structure intensity of bistrique rotation low, cause bistrique to drive easily to lose efficacy, cause malpractice, and service life is short, is unfavorable for that prolonged operations uses.
Utility model content
In view of this, the purpose of this utility model overcomes defect of the prior art, provide medical can lateral bending crusher drill, required precision during tool assembly can be reduced, improve product yields, increase the grinding efficiency of cutter, extend cutting-tool's used life.
Of the present utility model medical can lateral bending crusher drill, comprise cutter pipe assembly and the bistrique being installed on cutter pipe assembly front end, described bistrique is being driven the mode of pitching and rotation to arrange, described cutter pipe assembly comprise outer cutter pipe and coaxial rotation coordinate in be placed on outer cutter pipe and cutter pipe in coordinating with bistrique transmission, it is characterized in that: described interior cutter pipe front end is articulated with bistrique by articulated elements and forms articulated structure and coordinated with bistrique transmission by this articulated structure, the axis of described articulated structure, the pitch axis of bistrique, the rotation axis of bistrique and the articulated elements pivot center under the driving of interior cutter pipe intersects at a point.
Further, described articulated elements is the positive drive bar being at least fixedly installed on interior cutter pipe front end at circumferencial direction, and described positive drive bar front end is articulated with bistrique.
Further, described bistrique tail end forms open-ended hinged groove, and transmission cooperation in described positive drive bar front end is provided with for the axle shape articulated section that coordinate hinged with hinged groove.
Further, described positive drive bar tail end stretch into vertically interior cutter pipe and by radially across pivot pin formed hinged.
Further, described outer cutter pipe inner circle is fixed with guide pad, described guide pad be provided with for positive drive bar axially across pilot hole.
Further, described guide pad is arranged at outer cutter pipe by the pipe nipple being fixed on outer cutter pipe front end.
Further, described bistrique is arranged at a bistrique in the mode of single-degree-of-freedom rotation and installs sheath, and described bistrique installs sheath can be articulated with outer cutter pipe with the mode single-degree-of-freedom of rotary bistrique pitching.
Further, described outer cutter pipe front end is fixedly installed outer cutter pipe hinge segment, outer cutter pipe hinge segment front end face diametrically forms two arc hinge joints, and the breech face of bistrique installation sheath diametrically forms two and forms the arc hinge access slot of single-degree-of-freedom articulated structure for matching with described two arc hinge joints.
Further, described bistrique installation sheath is also provided with the pitching hinge segment for driving its elevating movement in hinged rotation direction, described pitching hinge segment is arranged in the reciprocating mode of single-degree-of-freedom vertically and the front end of pitching hinge segment is articulated with bistrique installs sheath, and described pitching hinge segment is the stretch section that can radially bend.
Further, also comprise and be coated at interior cutter pipe for driving pitching hinge segment and the reciprocating intervalve of degree of freedom vertically under the effect of pitching driving force, an installation sleeve is fixed in described pitching hinge segment rear end, and described installation sleeve is coated at intervalve and is fixedly connected with intervalve.
The beneficial effects of the utility model are: this utility model disclosed a kind of medical can lateral bending crusher drill, by being provided with for and the articulated structure of transmission hinged with bistrique in interior cutter pipe front end, by the axis by articulated structure, the pitch axis of bistrique, the rotation axis of bistrique and the pivot center of articulated elements intersect at a point, ensure that bistrique is while rotation grinding, pitching motion can be carried out along pitch axis by driving, structure is simple, can ensure that cutter has less radial dimension, and bistrique is driven pitching, time rotational is stablized, smooth, transmission efficiency is high and drive the drive mechanism intensity of bistrique rotation high, grinding efficiency can be increased, shorten operating time, be conducive to extending cutting-tool's used life, and be suitable for the grinding work that intensity is higher, effective safety improving operation.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, this utility model is further described:
Fig. 1 be in this utility model grinding knife tool bend before structural representation;
Fig. 2 be in this utility model grinding knife tool bend after structural representation;
Fig. 3 be in this utility model grinding knife tool bend after another structural representation;
Fig. 4 is the structural representation of pipe nipple in this utility model.
Detailed description of the invention
Fig. 1 be in this utility model grinding knife tool bend before structural representation, Fig. 2 be in this utility model grinding knife tool bend after structural representation, Fig. 3 be in this utility model grinding knife tool bend after another structural representation, Fig. 4 is the structural representation of pipe nipple in this utility model.As shown in the figure, medical in the present embodiment can lateral bending crusher drill, comprise cutter pipe assembly and the bistrique 1 being installed on cutter pipe assembly front end, described bistrique 1 is being driven the mode of pitching and rotation to arrange, described cutter pipe assembly comprises outer cutter pipe 2 and interior cutter pipe 3, interior cutter pipe 3 coaxial rotation is placed on outer cutter pipe 2 in coordinating and coordinates with bistrique 1 transmission, described interior cutter pipe 3 front end is articulated with bistrique 1 by articulated elements and forms articulated structure, and coordinated with bistrique 1 transmission by this articulated structure, the axis of described articulated structure, the pitch axis of bistrique 1, the rotation axis of bistrique 1 and the articulated elements pivot center under the driving of interior cutter pipe 3 intersects at a point, bistrique 1 and articulated elements are by the hinged formation articulated structure of axle.In this utility model, by being provided with for and the articulated structure of transmission hinged with bistrique in interior cutter pipe front end, the rotation axis of the axis of this articulated structure, the pitch axis of bistrique 1, bistrique 1 and the articulated elements pivot center under the driving of interior cutter pipe 3 arranges and is fixed as and intersects at a point, can realize in operation process, pitching motion can be made by smooth and easy driving bistrique, avoid above-mentioned axis do not intersect at a bit and cause the problem that bistrique pitching or rotation engage or rock; In bistrique rotation process, ensure articulated structure can with bistrique stable drive, ensure bistrique grinding efficiency, increase work efficiency.
In the present embodiment, described articulated elements is at least fix at circumferencial direction and be arranged on the positive drive bar 4 of interior cutter pipe 3 front end, and described positive drive bar 4 front end is articulated with bistrique 1; Utilize positive drive bar 4 vertically can not the characteristic of deformation with radial direction, effectively can ensure the stability of rigging position, transmission efficiency be high; The bar 4 of positive drive simultaneously structural strength is high, can export high pulling torque to bistrique, drives the drive mechanism intensity of bistrique 1 rotation high, can increase grinding efficiency, shorten operating time.
In the present embodiment, described bistrique 1 tail end forms open-ended hinged groove 8, and transmission cooperation in described positive drive bar 4 front end is provided with axle shape articulated section 9, and axle shape articulated section 9 is for coordinating with hinged groove 8 is hinged; Described positive drive bar 4 is one-body molded with axle shape articulated section 9, and in bistrique rotation process, the described axis of axle shape articulated section 9 and the pitch axis of bistrique 1 intersect at a point, and also can realize coaxial situation; Described axle shape articulated section 9 is inserted in hinged groove 8 and also and between hinged groove 8 bottom land is provided with free gap, hinged groove 8 and axle shape articulated section 9 is avoided to engage, form articulated structure by hinged groove 8 fitted shaft shape articulated section 9, process, install simply, and transmission performance is stablized.
In the present embodiment, described positive drive bar 4 tail end stretches into interior cutter pipe 3 vertically, and is formed hinged between positive drive bar 4 and interior cutter pipe 3 radially across pivot pin; By arrange between positive drive bar 4 and interior cutter pipe 3 radially across pivot pin form articulated structure, in ensureing, cutter pipe 3 along the circumferential direction effectively drives positive drive bar 4, ensures buffering, vibration damping improve axle system dynamic property.
In the present embodiment, described outer cutter pipe 2 inner circle is fixed with guide pad, described guide pad be provided with for positive drive bar axially across pilot hole; By the setting of guide pad, effectively can improve positive drive bar 4 radially stable, avoid rigidity drive link to rock, ensure the stability of positive drive bar 4 transmission, reduce when transmission and shake and avoid the hinged appearance interference in front end and cause locking.
In the present embodiment, described guide pad is arranged at outer cutter pipe 2 by the pipe nipple 5 being fixed on outer cutter pipe 2 front end, as shown in the figure, outer cutter pipe 2 front end is fixedly installed pipe nipple 5, in the present embodiment, guide pad comprises two arcuate guide blocks diametrically arranged (only having marked one of them arcuate guide block 12 in figure), described two arcuate guide blocks 12 are arranged along pipe nipple 5 inner circle radial symmetric, two arcuate guide block 12 two ends are along the circumferential direction provided with by gap 13, describedly to be passed through for facilitating miscellaneous part (as pitching hinge segment 7) by gap 13, the guide pad led for positive drive bar 4 is fixedly installed at the inwall of described pipe nipple 5, ensure that guide pad has stronger stability, arcuate guide block and positive drive bar 4 shape adaptation, ensure the stability of positive drive bar 4 transmission.
In the present embodiment, described bistrique 1 is arranged at a bistrique in the mode of single-degree-of-freedom rotation and installs sheath 6, and described bistrique installs sheath 6 can be articulated with outer cutter pipe 2 with the mode single-degree-of-freedom of rotary bistrique 1 pitching; Described outer cutter pipe 2 front end is fixedly installed outer cutter pipe hinge segment, described outer cutter pipe hinge segment is axially extended to form forward by described pipe nipple 5 front end edge, outer cutter pipe hinge segment front end face diametrically forms two arc hinge joints 14, and the breech face of bistrique installation sheath 6 diametrically forms two and forms the arc hinge access slot of single-degree-of-freedom articulated structure for matching with described two arc hinge joints 14; As shown in the figure, described arc hinge joint 14 radially embeds in arc hinge access slot (mark).The present embodiment using the hinge axes of arc hinge joint 14 that is fixedly installed as pitch axis, when bistrique installation sheath 6 is done elevating movement by driving, effectively ensure that bistrique install sheath 6 arcuately articulated joint 14 hinge axes (i.e. pitch axis) rotation, and constraint bistrique 1 rotates around pitch axis simultaneously, simple and compact for structure, easy to assembly; Described arc hinge joint 14 and arc hinge access slot are radially inwardly done to thicken process, ensure arc hinge joint and the hinged stability of arc hinge access slot, are beneficial to bistrique stable performance.
In the present embodiment, described bistrique installation sheath 6 is also provided with the pitching hinge segment 7 for driving its elevating movement in hinged rotation direction, described pitching hinge segment 7 is arranged in the reciprocating mode of single-degree-of-freedom vertically and the front end of pitching hinge segment 7 is articulated with bistrique installs sheath 6, and described pitching hinge segment 7 is the stretch section that can radially bend; Pitching hinge segment 7 is single-degree-of-freedom reciprocating motion vertically under the effect of pitching driving force.Hinge axes due to arc hinge joint 14 is fixed on bistrique installs sheath 6, pitching hinge segment 7 is arranged to the stretch section that can radially bend by the present embodiment, radially bending to ensure pitching hinge segment 7 smooth and easy driving vertically by pitching hinge segment 7, avoid driver card to relate to and ensure that surgical knife tool operation is smooth and easy.
In the present embodiment, medically can also comprise intervalve 10 for driving pitching hinge segment 7 axially-movable by lateral bending crusher drill, the rear end of described intervalve 10 back and forth drives vertically with the reciprocal actuator of the pitching being arranged at cutter rear end and coordinates, the front end of intervalve 10 is fixedly connected with described pitching hinge segment 7, described pitching hinge segment 7 rear end is fixedly installed an installation sleeve 11, and described installation sleeve 11 is coated at intervalve 10 front end and is fixedly connected with intervalve 7; Described driving pitching hinge segment 7 can be one-body molded with installation sleeve 11, and installation sleeve 11 is welded in intervalve 10 cylindrical, ensures to drive pitching hinge segment 7 bonding strength comparatively large, avoid pitching hinge segment 7 rupture or come off.
What finally illustrate is, above embodiment is only in order to illustrate the technical solution of the utility model and unrestricted, although be described in detail this utility model with reference to preferred embodiment, those of ordinary skill in the art is to be understood that, can modify to the technical solution of the utility model or equivalent replacement, and not departing from aim and the scope of technical solutions of the utility model, it all should be encompassed in the middle of right of the present utility model.
Claims (10)
1. one kind medical can lateral bending crusher drill, comprise cutter pipe assembly and the bistrique being installed on cutter pipe assembly front end, described bistrique is being driven the mode of pitching and rotation to arrange, described cutter pipe assembly comprise outer cutter pipe and coaxial rotation coordinate in be placed on outer cutter pipe and cutter pipe in coordinating with bistrique transmission, it is characterized in that: described interior cutter pipe front end is articulated with bistrique by articulated elements and forms articulated structure, and coordinated with bistrique transmission by this articulated structure, the axis of described articulated structure, the pitch axis of bistrique, the rotation axis of bistrique and the articulated elements pivot center under the driving of interior cutter pipe intersects at a point.
2. according to claim 1 medical can lateral bending crusher drill, it is characterized in that: described articulated elements is at least fix at circumferencial direction and be arranged on the positive drive bar of interior cutter pipe front end, and described positive drive bar front end is articulated with bistrique.
3. according to claim 2 medical can lateral bending crusher drill, it is characterized in that: described bistrique tail end forms open-ended hinged groove, the transmission of described positive drive bar front end coordinates and is provided with for the axle shape articulated section that coordinate hinged with hinged groove.
4. according to claim 2 medical can lateral bending crusher drill, it is characterized in that: described positive drive bar tail end stretch into interior cutter pipe vertically and by radially across pivot pin formed hinged.
5. according to claim 2 medical can lateral bending crusher drill, it is characterized in that: described outer cutter pipe inner circle is fixed with guide pad, described guide pad be provided with for positive drive bar axially across pilot hole.
6. according to claim 5 medical can lateral bending crusher drill, it is characterized in that: described guide pad is arranged at outer cutter pipe by the pipe nipple being fixed on outer cutter pipe front end.
7. medical according to any one of claim 1 to 6 can lateral bending crusher drill, it is characterized in that: described bistrique is arranged at a bistrique in the mode of single-degree-of-freedom rotation and installs sheath, described bistrique installs sheath can be articulated with outer cutter pipe with the mode single-degree-of-freedom of rotary bistrique pitching.
8. according to claim 7 medical can lateral bending crusher drill, it is characterized in that: described outer cutter pipe front end is fixedly installed outer cutter pipe hinge segment, outer cutter pipe hinge segment front end face diametrically forms two arc hinge joints, and the breech face of bistrique installation sheath diametrically forms two and forms the arc hinge access slot of single-degree-of-freedom articulated structure for matching with described two arc hinge joints.
9. according to claim 8 medical can lateral bending crusher drill, it is characterized in that: described bistrique installation sheath is also provided with the pitching hinge segment for driving its elevating movement in hinged rotation direction, described pitching hinge segment is arranged in the reciprocating mode of single-degree-of-freedom vertically, and the front end of pitching hinge segment is articulated with bistrique installation sheath, described pitching hinge segment is the stretch section that can radially bend.
10. according to claim 9 medical can lateral bending crusher drill, it is characterized in that: also comprise and be coated at interior cutter pipe for driving pitching hinge segment and the reciprocating intervalve of degree of freedom vertically under the effect of pitching driving force, an installation sleeve is fixed in described pitching hinge segment rear end, and described installation sleeve is coated at intervalve and is fixedly connected with intervalve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520977613.0U CN205144657U (en) | 2015-11-30 | 2015-11-30 | But medical side bend abrasive drilling head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520977613.0U CN205144657U (en) | 2015-11-30 | 2015-11-30 | But medical side bend abrasive drilling head |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205144657U true CN205144657U (en) | 2016-04-13 |
Family
ID=55680404
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520977613.0U Withdrawn - After Issue CN205144657U (en) | 2015-11-30 | 2015-11-30 | But medical side bend abrasive drilling head |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205144657U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105411646A (en) * | 2015-11-30 | 2016-03-23 | 重庆西山科技股份有限公司 | Medical grinding tool capable of being laterally bent |
| CN106308876A (en) * | 2016-08-31 | 2017-01-11 | 关中华 | Minimally invasive bone grinding tool |
| CN107320191A (en) * | 2017-07-31 | 2017-11-07 | 成都中科博恩思医学机器人有限公司 | Transmission component, the operating theater instruments of operating robot and operating robot |
| CN108523961A (en) * | 2017-03-03 | 2018-09-14 | 财团法人工业技术研究院 | Minimally invasive surgical instrument |
| CN109288554A (en) * | 2018-09-13 | 2019-02-01 | 张文君 | Orthopaedics grooved bit |
| CN112091630A (en) * | 2020-09-16 | 2020-12-18 | 中国航发贵州黎阳航空动力有限公司 | Barrel part hole polishing cutter |
| US11298147B2 (en) | 2017-03-03 | 2022-04-12 | Industrial Technology Research Institute | Minimally invasive surgical device |
-
2015
- 2015-11-30 CN CN201520977613.0U patent/CN205144657U/en not_active Withdrawn - After Issue
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105411646A (en) * | 2015-11-30 | 2016-03-23 | 重庆西山科技股份有限公司 | Medical grinding tool capable of being laterally bent |
| WO2017092578A1 (en) * | 2015-11-30 | 2017-06-08 | 重庆西山科技股份有限公司 | Laterally bendable grinding knife for medical use |
| CN105411646B (en) * | 2015-11-30 | 2019-02-15 | 重庆西山科技股份有限公司 | It is medical can lateral bending grinding knife tool |
| CN106308876A (en) * | 2016-08-31 | 2017-01-11 | 关中华 | Minimally invasive bone grinding tool |
| CN106308876B (en) * | 2016-08-31 | 2019-03-08 | 关中华 | Minimally invasive mill bone tool |
| CN108523961A (en) * | 2017-03-03 | 2018-09-14 | 财团法人工业技术研究院 | Minimally invasive surgical instrument |
| US11298147B2 (en) | 2017-03-03 | 2022-04-12 | Industrial Technology Research Institute | Minimally invasive surgical device |
| CN107320191A (en) * | 2017-07-31 | 2017-11-07 | 成都中科博恩思医学机器人有限公司 | Transmission component, the operating theater instruments of operating robot and operating robot |
| CN109288554A (en) * | 2018-09-13 | 2019-02-01 | 张文君 | Orthopaedics grooved bit |
| CN109288554B (en) * | 2018-09-13 | 2021-06-08 | 青岛智兴医疗器械有限公司 | Drill bit for orthopedics |
| CN112091630A (en) * | 2020-09-16 | 2020-12-18 | 中国航发贵州黎阳航空动力有限公司 | Barrel part hole polishing cutter |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20160413 Effective date of abandoning: 20190215 |