CN104586464B - A kind of Medical electric saw with auto lock and zero offset capability bores - Google Patents
A kind of Medical electric saw with auto lock and zero offset capability bores Download PDFInfo
- Publication number
- CN104586464B CN104586464B CN201510024607.8A CN201510024607A CN104586464B CN 104586464 B CN104586464 B CN 104586464B CN 201510024607 A CN201510024607 A CN 201510024607A CN 104586464 B CN104586464 B CN 104586464B
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- Prior art keywords
- motor
- shaft
- output shaft
- connecting shaft
- annular convex
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- 230000007812 deficiency Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000001356 surgical procedure Methods 0.000 description 2
- 241001074085 Scophthalmus aquosus Species 0.000 description 1
- 241000700605 Viruses Species 0.000 description 1
- 230000000844 anti-bacterial effect Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000002574 poison Substances 0.000 description 1
- 231100000614 poison Toxicity 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 230000001954 sterilising effect Effects 0.000 description 1
- 238000004659 sterilization and disinfection Methods 0.000 description 1
- 210000001138 tear Anatomy 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 kind of Medical electric saw with auto lock and zero offset capability to bore, the motor in housing is bored, for installing output shaft and the connecting shaft of hollow of saw drill bit including being arranged at saw, one end of connecting shaft and motor shaft interference fit, the other end of connecting shaft is sleeved on output shaft periphery.Connecting shaft, motor shaft and output shaft are all coaxially disposed；It is provided with spring in connecting shaft cavity between motor shaft and output shaft；The first annular convex and the second annular convex it is disposed with from left to right on the excircle of output shaft；The positioning retainer ring that can match it is provided with the first annular convex on connecting shaft inner surface；It is positioned on the connecting shaft inner surface on the left of the second annular convex and is at least evenly arranged with two elastic cylindrical pins.After using said structure, output shaft is fixing firm, is not susceptible to shake, and noise is little.When motor occurs stuck or idle running phenomenon, on-the-spot motor output shaft can be revised automatically, use simple, and it is high to revise precision.
Description
Technical field
The present invention relates to a kind of medical apparatus and instruments, particularly one there is auto lock and automatically revise
The Medical electric saw of function bores.
Background technology
In the osseous surgery of surgery, it is the surgical apparatus more commonly used that Medical electric saw bores.Medical
Power saws is bored in use for some time, especially after high frequency or high-power use, and Medical electric
Saw bores the output shaft of motor and is easy to wear phenomenon.Once the output shaft of motor grinds
Damage, between motor output shaft with actuating device, coordinate tacit agreement not, stuck, idle running will occur
Etc. fault.If in operation process, once there is the phenomenons such as stuck or idle running, it will impact
Smoothly completing of operation.
Existing Medical electric saw bores, in the case of motor output shaft weares and teares, it usually needs by electricity
Machine disassembles, the polishing of sent for maintenance center, correction.
The correction of above-mentioned output shaft, has a following deficiency:
1. installing/dismounting is fairly cumbersome, and the time used by installing/dismounting is longer, sent for maintenance time
Between the longest, therefore generally individually need to be equipped with many set Medical electric saws and bore, in case required, thus increase
Add input cost.
After the most above-mentioned correction completes, brill also needs to again carry out high temperature to Medical electric saw, high pressure disappears
Poison, to kill antibacterial and virus, so, sterilization is also required to a long period, and this is to emergency treatment
For operation, it it not the most a good news.
3. when operation, once there is the phenomenons such as stuck or idle running, and the poor operation of condition is existing
, it is not equipped with again standby Medical electric saw when boring, and above-mentioned installing/dismounting and give the time of repairing
The longest, therefore point-of-care personnel have people to try with Medical file, medical abrasive paper for metallograph carries out hands
Work scene is revised, but during manual on-the-spot correction, Medical file is difficult to position, it is also difficult to control
The dynamics of Medical file, thus, this manual insitu modifying methods, it is also difficult to solve problem,
It is unable to reach the correction purpose to motor output shaft.
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 one
Plant and use simply, can on-the-spot motor output shaft be revised automatically, and the tool that correction precision is high
The Medical electric saw having auto lock and zero offset capability bores.
For solving above-mentioned technical problem, the technical solution used in the present invention is:
A kind of Medical electric saw with auto lock and zero offset capability bores, including being arranged at
Saw bores the motor in housing and for installing the output shaft of saw drill bit, also includes the connection of hollow
The motor shaft interference fit of axle, one end of connecting shaft and motor front end, the other end set of connecting shaft
It is contained in the periphery of output shaft；Described connecting shaft, motor shaft and output shaft are all coaxially disposed；It is positioned at
It is provided with spring in connecting shaft cavity between motor shaft and output shaft；The cylindrical of described output shaft
The first annular convex and the second annular convex it is disposed with from left to right on week；It is positioned at the first ring
Being provided with on connecting shaft inner surface above shape protuberance can be with determining that the first annular convex matches
Position back-up ring；It is positioned on the connecting shaft inner surface on the left of the second annular convex and is at least evenly arranged with two
Individual elastic cylindrical pin.
Length after the elongation of each described elastic cylindrical pin is more than connecting shaft inner surface and output shaft
Distance between outer surface.
Length after each described elastic cylindrical pin shrinks is more than connecting shaft inner surface and the second ring
Distance between shape protuberance.
Described motor is fixed on motor cabinet, and the periphery of described connecting shaft is provided with positioning seat.
Described motor cabinet is connected by sunk screw and positioning seat are fixing.
After the present invention uses said structure, output shaft is fixing firm, is not susceptible to shake,
Noise is little.When motor occurs stuck or idle running phenomenon, can on-the-spot motor output shaft be carried out certainly
Dynamic correction, uses simple, and it is high to revise precision.
Accompanying drawing explanation
Fig. 1 is a kind of Medical electric saw with auto lock and zero offset capability of the present invention
The structural representation bored.
Wherein have: 10. motor；11. motor shafts；12. motor cabinets；20. output shafts；21.
One annular convex；22. second annular convex；30. connecting shafts；31. springs；32. positioning retainer rings；
33. elastic cylindrical pins；40. positioning seats；41. sunk screws.
Detailed description of the invention
With concrete better embodiment the present invention made further details of theory below in conjunction with the accompanying drawings
Bright.
As it is shown in figure 1, a kind of Medical electric saw with auto lock and zero offset capability
Bore, including be arranged at saw bore the motor 10 in housing, for install saw drill bit output shaft 20,
And the connecting shaft 30 of a hollow.
Motor 10 is fixed in motor cabinet 12 as shown in Figure 1, the right side of motor cabinet 12 with
Motor 10 connects, and the left side of motor cabinet 12 is preferably connected by sunk screw 41 to be had and motor
The positioning seat 40 that 10 are coaxially disposed.
It is internal that above-mentioned connecting shaft 30 is arranged at positioning seat 40, and positioning seat 40 can be to connecting shaft 30
Axially position, when preventing connecting shaft 30 from rotating, occur axially shake up and down.
One end of connecting shaft 30 and motor shaft 11 interference fit of motor 10 front end, connecting shaft
The other end of 30 is sleeved on the periphery of output shaft 20；Connecting shaft 30, motor shaft 11 and output
Axle 20 is all coaxially disposed.
Motor shaft 11 is in the electronic lower rotation of motor 10, thus drives connecting shaft 30 to revolve together
Turn.
Being provided with in connecting shaft 30 cavity between motor shaft 11 and output shaft 20 can be left
Right flexible spring 31.The left side of spring 31 is preferably fixing with output shaft 20 to be connected.
The first annular convex 21 and it is disposed with from left to right on the excircle of output shaft 20
Two annular convex 22.
It is positioned at that be provided with on connecting shaft 30 inner surface above the first annular convex 21 can be with first
The positioning retainer ring 32 that annular convex 21 matches.Output shaft 20 can be carried out by positioning retainer ring 32
Axially location, prevents output shaft 20 from occurring axially and moves up and down.
It is positioned on connecting shaft 30 inner surface on the left of the second annular convex 22 and is at least evenly arranged with
Two elastic cylindrical pins 33, preferably 2 but it also may be 3 or multiple.
Length after the elongation of each elastic cylindrical pin 33 is more than connecting shaft 30 inner surface and output shaft
Distance between 20 outer surfaces.That is, after pressing all elastic cylindrical pins 33, Elastic Circular
Pin 33 extends, and connecting shaft 30 and output shaft 20 can be made to form tight fit, and both become one
Individual entirety, under the drive of motor 10, makes output shaft 20 rotate.
Length after each elastic cylindrical pin 33 shrinks is more than connecting shaft 30 inner surface and the second ring
Distance between shape protuberance 22.So, elastic cylindrical pin 33 can play spacing effect, anti-
When only output shaft 20 is moved to the left, depart from from connecting shaft 30.
The front end of output shaft 20 uses known way with saw drill bit, such as grafting or threaded etc.
Mode is fixed, and output shaft 20 can carry out auto lock to saw drill bit.Output shaft 20 rotates,
It is thus possible to drive saw drill bit normally to work.
Between output shaft 20 with motor shaft 11 or connecting shaft 30, coordinate tacit agreement not, occur
During the faults such as stuck, idle running, only need to open elastic cylindrical pin 33 so that it is pop up, left
Moving right several lower output shaft 20, when unclamping output shaft 20, output shaft 20 can be at spring 31
Under effect, automatically reset, make positioning retainer ring 32 match with the first annular convex 21, to defeated
Axially carrying out of shaft 20 is spacing, and last elastic cylindrical pin 33 is locked, and can complete output shaft
Automatic correction between 20 and motor shaft 11 or connecting shaft 30, so that with simple, can be existing
Field is revised automatically, and it is high to revise precision.
The preferred embodiment of the present invention described in detail above, but, the present invention does not limit
Detail in above-mentioned embodiment, in the technology concept of the present invention, can be right
Technical scheme carries out multiple equivalents, and these equivalents belong to the present invention's
Protection domain.
Claims (5)
1. a Medical electric saw with auto lock and zero offset capability bores, including setting
It is placed in saw and bores the motor in housing and for installing the output shaft of saw drill bit, it is characterised in that: also
Including the connecting shaft of hollow, one end of connecting shaft and the motor shaft interference fit of motor front end, connect
The other end of spindle is sleeved on the periphery of output shaft；Described connecting shaft, motor shaft and output shaft are equal
It is coaxially disposed；It is provided with spring in connecting shaft cavity between motor shaft and output shaft；Institute
State and on the excircle of output shaft, be disposed with the first annular convex and second ring-type from left to right
Protuberance；It is positioned at that be provided with on the connecting shaft inner surface above the first annular convex can be ring-type with first
The positioning retainer ring that protuberance matches；It is positioned at the connecting shaft inner surface on the left of the second annular convex up to
It is evenly arranged with two elastic cylindrical pins less.
The most according to claim 1 have the medical of auto lock and zero offset capability
Power saws is bored, it is characterised in that: the length after the elongation of each described elastic cylindrical pin is more than connecting
Distance between axle inner surface and output shaft outer surface.
The most according to claim 2 have the medical of auto lock and zero offset capability
Power saws is bored, it is characterised in that: the length after each described elastic cylindrical pin shrinks is more than connection
Distance between axle inner surface and the second annular convex.
The most according to claim 3 have the medical of auto lock and zero offset capability
Power saws is bored, it is characterised in that: described motor is fixed on motor cabinet, outside described connecting shaft
Week is provided with positioning seat.
The most according to claim 4 have the medical of auto lock and zero offset capability
Power saws is bored, it is characterised in that: described motor cabinet is connected by sunk screw and positioning seat are fixing.
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 CN104586464A (en) | 2015-05-06 |
| CN104586464B true 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 |
|---|---|
| CN104586464A (en) | 2015-05-06 |
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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 | ||
| 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 |
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| TR01 | Transfer of patent right | ||
| 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. |