CN104586464A - Medical electric sawing drill with automatic locking and automatic correction functions - Google Patents
Medical electric sawing drill with automatic locking and automatic correction functions Download PDFInfo
- Publication number
- CN104586464A CN104586464A CN201510024607.8A CN201510024607A CN104586464A CN 104586464 A CN104586464 A CN 104586464A CN 201510024607 A CN201510024607 A CN 201510024607A CN 104586464 A CN104586464 A CN 104586464A
- Authority
- CN
- China
- Prior art keywords
- output shaft
- motor
- connecting axle
- annular convex
- shaft
- Prior art date
- 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.)
- Granted
Links
- 241001074085 Scophthalmus aquosus Species 0.000 claims description 5
- 238000012986 modification Methods 0.000 description 4
- 230000004048 modification Effects 0.000 description 4
- 230000007812 deficiency Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000001954 sterilising effect Effects 0.000 description 2
- 238000004659 sterilization and disinfection Methods 0.000 description 2
- 238000001356 surgical procedure Methods 0.000 description 2
- 210000001138 tear Anatomy 0.000 description 2
- 241000700605 Viruses Species 0.000 description 1
- 230000000844 anti-bacterial effect Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/16—Bone cutting, breaking or removal means other than saws, e.g. Osteoclasts; Drills or chisels for bones; Trepans
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/16—Bone cutting, breaking or removal means other than saws, e.g. Osteoclasts; Drills or chisels for bones; Trepans
- A61B17/1613—Component parts
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/16—Bone cutting, breaking or removal means other than saws, e.g. Osteoclasts; Drills or chisels for bones; Trepans
- A61B17/1613—Component parts
- A61B17/1626—Control means; Display units
Landscapes
- Health & Medical Sciences (AREA)
- Surgery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Biomedical Technology (AREA)
- Medical Informatics (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Engineering & Computer Science (AREA)
- Dentistry (AREA)
- Heart & Thoracic Surgery (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Molecular Biology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Sawing (AREA)
- Surgical Instruments (AREA)
Abstract
The invention discloses a medical electric sawing drill with automatic locking and automatic correction functions. The medical electric sawing drill comprises a motor arranged in a sawing drill shell, an output shaft for mounting a sawing drill bit and a hollow connection shaft, wherein one end of the connection shaft is in interference fit with a motor shaft and the other end of the connection shaft sleeves the periphery of the output shaft. The connection shaft, the motor shaft and the output shaft are coaxially arranged; a spring is arranged in a connection shaft cavity between the motor shaft and the output shaft; a first annular convex part and a second annular convex part are arranged on the outer periphery of the output shaft in sequence from left to right; a positioning retainer ring which can be matched with the first annular convex part is arranged on the inner surface of the connection shaft; at least two elastic cylindrical pins are uniformly arranged on the inner surface of the connection shaft located on the left side of the second annular convex part. With the adoption of the structure, the output shaft is stably fixed and is not easy to shake, and noises are small. When the motor is blocked or idled, the motor output shaft can be automatically corrected on site; the medical electric sawing drill is simple to use and has high correction precision.
Description
Technical field
The present invention relates to a kind of medical apparatus and instruments, particularly a kind of Medical electric saw with auto lock and zero offset capability bores.
Background technology
In the osseous surgery of surgery, it is the surgical apparatus comparatively commonly used that Medical electric saw bores.Medical electric saw bores in use for some time, and especially after high frequency or high-power use, the output shaft that Medical electric saw bores motor is easy to wear phenomenon occurs.Once the output shaft of motor weares and teares, coordinate tacit agreement not between motor output shaft with actuating device, the faults such as stuck, idle running will occur.If in operation process, once there is the phenomenons such as stuck or idle running, completing smoothly of operation will be affected.
Existing Medical electric saw bores, and when motor output shaft weares and teares, usually needs motor disassembling to get off, the polishing of sent for maintenance center, correction.
The correction of above-mentioned output shaft, has following deficiency:
1. installing/dismounting quite bothers, and installing/dismounting time used is longer, and the time of sent for maintenance is also very long, therefore generally all needs to be equipped with many cover Medical electric saws and bore, and needed for preparing against, thus adds input cost.
2. after above-mentioned correction completes, Medical electric saw bores and also needs again to carry out high temperature, autoclave sterilization, and to kill antibacterial and virus, like this, sterilization also needs a long period, and this, concerning emergency operation, is not but a good news.
3. when performing the operation, once there is the phenomenons such as stuck or idle running, and the operative site that condition is poor, when not being equipped with again Medical electric saw brill for subsequent use, and above-mentioned installing/dismounting and give the time of repairing longer, therefore point-of-care personnel have people to try to carry out the correction of craft scene with Medical file, medical abrasive paper for metallograph, but during manual on-the-spot correction, Medical file is difficult to location, also the dynamics controlling Medical file is difficult to, thus, this manual insitu modifying methods, also be difficult to deal with problems, the correction object to motor output shaft cannot be reached.
Summary of the invention
The technical problem to be solved in the present invention is for above-mentioned the deficiencies in the prior art, and provides a kind of use simply, on-the-spot can carry out auto modification to motor output shaft, and the Medical electric with auto lock and zero offset capability revising precision high saws brill.
For solving the problems of the technologies described above, the technical solution used in the present invention is:
A kind of Medical electric saw with auto lock and zero offset capability bores, comprise and be arranged at the motor in saw brill housing and the output shaft for installing saw drill bit, also comprise the connecting axle of hollow, one end of connecting axle and the motor shaft interference fit of motor front end, the other end of connecting axle is sleeved on the periphery of output shaft; Described connecting axle, motor shaft and output shaft are all coaxially arranged; Spring is provided with in connecting axle cavity between motor shaft and output shaft; The excircle of described output shaft is disposed with from left to right the first annular convex and the second annular convex; Be positioned at the positioning retainer ring connecting axle inner surface above the first annular convex being provided with and can matching with the first annular convex; Be positioned on the connecting axle inner surface on the left of the second annular convex and be at least evenly provided with two elastic cylindrical pins.
Length after each described elastic cylindrical pin extends is greater than the distance between connecting axle inner surface and output shaft outer surface.
Length after each described elastic cylindrical pin shrinks is greater than the distance between connecting axle inner surface and the second annular convex.
Described motor is fixed on motor cabinet, and the periphery of described connecting axle is provided with positioning seat.
Described motor cabinet is fixedly connected with positioning seat by sunk screw.
After the present invention adopts said structure, output shaft is fixing firm, and not easily shake, noise is little.When stuck or idle running phenomenon occur motor, on-the-spot can carry out auto modification to motor output shaft, use simple, and it be high to revise precision.
Accompanying drawing explanation
Fig. 1 is the structural representation that a kind of Medical electric saw with auto lock and zero offset capability of the present invention bores.
Wherein have: 10. motor; 11. motor shafts; 12. motor cabinets; 20. output shafts; 21. first annular convex; 22. second annular convex; 30. connecting axles; 31. springs; 32. positioning retainer rings; 33. elastic cylindrical pins; 40. positioning seats; 41. sunk screws.
Detailed description of the invention
Below in conjunction with accompanying drawing and concrete better embodiment, the present invention is further detailed explanation.
As shown in Figure 1, a kind of Medical electric saw with auto lock and zero offset capability bores, and comprises the motor 10 be arranged in saw brill housing, for installing the saw output shaft 20 of drill bit and the connecting axle 30 of a hollow.
Motor 10 is fixed in motor cabinet 12 as shown in Figure 1, and the right side of motor cabinet 12 is connected with motor 10, and the left side of motor cabinet 12 is connected with the coaxial positioning seat 40 arranged with motor 10 preferably by sunk screw 41.
It is inner that above-mentioned connecting axle 30 is arranged at positioning seat 40, and positioning seat 40 can position the axis of connecting axle 30, when preventing connecting axle 30 from rotating, axially lower shake occurs.
One end of connecting axle 30 and motor shaft 11 interference fit of motor 10 front end, the other end of connecting axle 30 is sleeved on the periphery of output shaft 20; Connecting axle 30, motor shaft 11 and output shaft 20 are all coaxially arranged.
Motor shaft 11 in the electronic lower rotation of motor 10, thus drives connecting axle 30 to rotate together.
The spring 31 that energy left and right is flexible is provided with in connecting axle 30 cavity between motor shaft 11 and output shaft 20.The left side of spring 31 is preferably fixedly connected with output shaft 20.
The excircle of output shaft 20 is disposed with from left to right the first annular convex 21 and the second annular convex 22.
Be positioned at the positioning retainer ring 32 connecting axle 30 inner surface above the first annular convex 21 being provided with and can matching with the first annular convex 21.Positioning retainer ring 32 can carry out axial location to output shaft 20, prevents output shaft 20 from occurring axially to move up and down.
Be positioned on connecting axle 30 inner surface on the left of the second annular convex 22 and be at least evenly provided with two elastic cylindrical pins 33, be preferably 2, but also can be 3 or multiple.
Length after each elastic cylindrical pin 33 extends is greater than the distance between connecting axle 30 inner surface and output shaft 20 outer surface.Also namely, after pressing all elastic cylindrical pins 33, elastic cylindrical pin 33 extends, and connecting axle 30 and output shaft 20 can be made to form tight fit, and both become as a whole, under the drive of motor 10, output shaft 20 are rotated.
Length after each elastic cylindrical pin 33 shrinks is greater than the distance between connecting axle 30 inner surface and the second annular convex 22.Like this, elastic cylindrical pin 33 can play spacing effect, when preventing output shaft 20 to be moved to the left, departs from from connecting axle 30.
The front end of output shaft 20 adopts known way with saw drill bit, and as grafting or the mode such as to be threaded are fixed, output shaft 20 can carry out auto lock to sawing drill bit.Output shaft 20 rotates, thus saw drill bit can be driven normally to work.
When output shaft 20 coordinates tacit agreement not with between motor shaft 11 or connecting axle 30, occur stuck, during the faults such as idle running, only need open elastic cylindrical pin 33, make it pop up, move left and right several lower output shaft 20, when unclamping output shaft 20, output shaft 20 can under the effect of spring 31, automatically reset, positioning retainer ring 32 is matched with the first annular convex 21, carry out spacing to the axis of output shaft 20, last elastic cylindrical pin 33 is locked, the auto modification between output shaft 20 and motor shaft 11 or connecting axle 30 can be completed, thus use simple, auto modification can be carried out in scene, and it is high to revise precision.
More than describe the preferred embodiment of the present invention in detail; but the present invention is not limited to the detail in above-mentioned embodiment, within the scope of technical conceive of the present invention; can carry out multiple equivalents to technical scheme of the present invention, these equivalents all belong to protection scope of the present invention.
Claims (5)
1. a Medical electric saw with auto lock and zero offset capability bores, comprise and be arranged at the motor in saw brill housing and the output shaft for installing saw drill bit, it is characterized in that: the connecting axle also comprising hollow, one end of connecting axle and the motor shaft interference fit of motor front end, the other end of connecting axle is sleeved on the periphery of output shaft; Described connecting axle, motor shaft and output shaft are all coaxially arranged; Spring is provided with in connecting axle cavity between motor shaft and output shaft; The excircle of described output shaft is disposed with from left to right the first annular convex and the second annular convex; Be positioned at the positioning retainer ring connecting axle inner surface above the first annular convex being provided with and can matching with the first annular convex; Be positioned on the connecting axle inner surface on the left of the second annular convex and be at least evenly provided with two elastic cylindrical pins.
2. the Medical electric saw with auto lock and zero offset capability according to claim 1 bores, and it is characterized in that: the length after each described elastic cylindrical pin extends is greater than the distance between connecting axle inner surface and output shaft outer surface.
3. the Medical electric saw with auto lock and zero offset capability according to claim 2 bores, and it is characterized in that: the length after each described elastic cylindrical pin shrinks is greater than the distance between connecting axle inner surface and the second annular convex.
4. the Medical electric saw with auto lock and zero offset capability according to claim 3 bores, and it is characterized in that: described motor is fixed on motor cabinet, the periphery of described connecting axle is provided with positioning seat.
5. the Medical electric saw with auto lock and zero offset capability according to claim 4 bores, and it is characterized in that: described motor cabinet is fixedly connected with positioning seat by sunk screw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510024607.8A CN104586464B (en) | 2015-01-19 | 2015-01-19 | A kind of Medical electric saw with auto lock and zero offset capability bores |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510024607.8A CN104586464B (en) | 2015-01-19 | 2015-01-19 | A kind of Medical electric saw with auto lock and zero offset capability bores |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104586464A true CN104586464A (en) | 2015-05-06 |
| CN104586464B CN104586464B (en) | 2016-09-21 |
Family
ID=53112760
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510024607.8A Active CN104586464B (en) | 2015-01-19 | 2015-01-19 | A kind of Medical electric saw with auto lock and zero offset capability bores |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104586464B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4007528A (en) * | 1975-10-22 | 1977-02-15 | Shea John J | High speed bone drill |
| US4319577A (en) * | 1979-04-21 | 1982-03-16 | Aesculap-Werke Aktiengesellschaft | Skull trepanation drill |
| CN2745519Y (en) * | 2004-11-08 | 2005-12-14 | 郝支军 | Self-stopping type hand electric dual-purpose craniotome drill |
| CN2894666Y (en) * | 2006-04-29 | 2007-05-02 | 徐天松 | Otology electric drill direct head |
| JP2007144550A (en) * | 2005-11-28 | 2007-06-14 | Makita Corp | Impact type working tool |
| CN201798778U (en) * | 2010-09-30 | 2011-04-20 | 重庆润泽医疗器械有限公司 | Skull dissection drill |
| CN104271052A (en) * | 2012-03-13 | 2015-01-07 | 美敦力施美德公司 | Surgical system including powered rotary-type handpiece |
| CN204468187U (en) * | 2015-01-19 | 2015-07-15 | 鲁仁义 | A kind of Medical electric saw with auto lock and zero offset capability bores |
-
2015
- 2015-01-19 CN CN201510024607.8A patent/CN104586464B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4007528A (en) * | 1975-10-22 | 1977-02-15 | Shea John J | High speed bone drill |
| US4319577A (en) * | 1979-04-21 | 1982-03-16 | Aesculap-Werke Aktiengesellschaft | Skull trepanation drill |
| CN2745519Y (en) * | 2004-11-08 | 2005-12-14 | 郝支军 | Self-stopping type hand electric dual-purpose craniotome drill |
| JP2007144550A (en) * | 2005-11-28 | 2007-06-14 | Makita Corp | Impact type working tool |
| CN2894666Y (en) * | 2006-04-29 | 2007-05-02 | 徐天松 | Otology electric drill direct head |
| CN201798778U (en) * | 2010-09-30 | 2011-04-20 | 重庆润泽医疗器械有限公司 | Skull dissection drill |
| CN104271052A (en) * | 2012-03-13 | 2015-01-07 | 美敦力施美德公司 | Surgical system including powered rotary-type handpiece |
| CN204468187U (en) * | 2015-01-19 | 2015-07-15 | 鲁仁义 | A kind of Medical electric saw with auto lock and zero offset capability bores |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104586464B (en) | 2016-09-21 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US20160000449A1 (en) | Sterile ready-to-use surgical tool and attachment system | |
| US10624651B2 (en) | Limited use tool removable attachment components | |
| PL2353777T3 (en) | Self-centring support | |
| GB2558749A8 (en) | Five-degree-of-freedom adjustment and positioning apparatus for assembly/measurement of rotor and stator of aircraft engine | |
| US10052736B2 (en) | Apparatus for and method of processing an edge of a tube | |
| US10993729B1 (en) | Sterile ready-to-use surgical tool and attachment system | |
| CN204468187U (en) | A kind of Medical electric saw with auto lock and zero offset capability bores | |
| WO2016108259A1 (en) | Source roll connecting/disconnecting mechanism | |
| CN104586464A (en) | Medical electric sawing drill with automatic locking and automatic correction functions | |
| WO2019062333A1 (en) | Turret device and machine tool having same | |
| JP2011125998A (en) | Thread cutting device and tool for attaching thread cutting ring | |
| CN104727853B (en) | Integral shaft heart air motor | |
| TWM546631U (en) | All-in-one coupling device for motor | |
| CN207527038U (en) | A kind of oil sealing bush structure | |
| WO2015186222A1 (en) | Elevator hoist and method for fastening rope sheave for elevator hoist | |
| US9707626B2 (en) | Hole saw assembly | |
| CN104511618A (en) | Electric drill | |
| CN221229380U (en) | Transmission structure of power handle and grinding drill power handle | |
| CN103122875A (en) | Impeller hub dismounting device | |
| KR20140125095A (en) | Electric jig of electric cylinder type | |
| CN113796964B (en) | Terminal device of orthopedic surgery robot | |
| KR200468660Y1 (en) | Index drive device | |
| JP5823213B2 (en) | Spindle locking device in air spindle unit | |
| CN208843150U (en) | Screw rod transmission mechanism | |
| US20210361268A1 (en) | Medical power tool |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20150930 Address after: 215163 Suzhou high tech Zone, Jinfeng Road, No. 8, Jiangsu Applicant after: SUZHOU WANRUN MEDICAL SCIENCE & TECHNOLOGY CO., LTD. Address before: 200333 No. 107, Qianyang Road, Shanghai, Putuo District Applicant before: Lu Renyi |
|
| CB03 | Change of inventor or designer information |
Inventor after: Lu Renyi Inventor after: Nico Ray Wo Inventor after: Niu Yuezhong Inventor after: Xu Ning Inventor before: Lu Renyi |
|
| COR | Change of bibliographic data | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CB03 | Change of inventor or designer information |
Inventor after: Lu Renyi Inventor after: Niu Yuezhong Inventor after: Xu Ning Inventor before: Lu Renyi Inventor before: Runiinico Ray Vone is loyal to Xu Ning Inventor before: Niu Yuezhong Inventor before: Xu Ning |
|
| CB03 | Change of inventor or designer information | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200604 Address after: 101300 Room 303, floor 3, building 2, yard 4, Jinhang West Road, Shunyi District, Beijing (Tianzhu Comprehensive Bonded Zone) Patentee after: Beijing dejuhe Medical Technology Co., Ltd Address before: 215163 No. 8 Jinfeng Road, hi tech Development Zone, Jiangsu, Suzhou Patentee before: SUZHOU WANRUN MEDICAL SCIENCE & TECHNOLOGY Co.,Ltd. |
|
| TR01 | Transfer of patent right |