CN104586465B - Medical electric sawing drill with anti-shaking function - Google Patents
Medical electric sawing drill with anti-shaking function Download PDFInfo
- Publication number
- CN104586465B CN104586465B CN201510024616.7A CN201510024616A CN104586465B CN 104586465 B CN104586465 B CN 104586465B CN 201510024616 A CN201510024616 A CN 201510024616A CN 104586465 B CN104586465 B CN 104586465B
- Authority
- CN
- China
- Prior art keywords
- sleeve pipe
- pivoted housing
- hole
- spring
- circular arc
- 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.)
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Links
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 22
- 239000010959 steel Substances 0.000 claims abstract description 22
- 238000009434 installation Methods 0.000 claims description 18
- 230000006641 stabilisation Effects 0.000 claims description 9
- 238000011105 stabilization Methods 0.000 claims description 9
- 238000001356 surgical procedure Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 241000272814 Anser sp. Species 0.000 description 1
- 241001521547 Craniotome Species 0.000 description 1
- 241001074085 Scophthalmus aquosus Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 210000000988 bone and bone Anatomy 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 230000007849 functional defect Effects 0.000 description 1
- 230000000399 orthopedic effect Effects 0.000 description 1
- 239000011435 rock Substances 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
- A61B17/14—Surgical saws ; Accessories therefor
-
- 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
- A61B17/1615—Drill bits, i.e. rotating tools extending from a handpiece to contact the worked material
-
- 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
- A61B17/1633—Sleeves, i.e. non-rotating parts surrounding the bit shaft, e.g. the sleeve forming a single unit with the bit shaft
Abstract
The invention discloses a medical electric sawing drill with an anti-shaking function. The medical electric sawing drill comprises a motor, a sawing drill bit and a sleeve pipe, wherein a plurality of small through holes are uniformly formed in the sleeve pipe; an inner rotary sleeve sleeves the sleeve pipe located on the outer sides of the small through holes; a circular arc tapered surface is arranged on the inner surface of the inner rotary sleeve; a tapered containing cavity is formed between the circular arc tapered surface and the sleeve pipe; an annular push block is arranged in the tapered containing cavity; a plurality of large through holes are uniformly formed in the push block; a steel ball is arranged in each large through hole. The bottom end of the push block is connected with a spring, and an outer rotary sleeve sleeves the outer side of each of the inner rotary sleeve and the spring. With the adoption of the structure, the sleeve pipe is adopted, so that one machine has a plurality of functions, and the universality is strong. The design of the circular arc tapered surface, the steel balls, the spring and the like is adopted, so that the steel balls can be used for limiting the sawing drill bits with different diameters, the sawing drill bit can be in tight match with the sleeve pipe, the shaking is not generated, and furthermore, the accuracy of an operation is high, noises are small and the rehabilitation of patients is facilitated.
Description
Technical field
The present invention relates to a kind of medical apparatus and instruments, particularly a kind of Medical electric saw brill with stabilization function.
Background technology
In the osseous surgery of surgery, surgical drill is a kind of relatively conventional operation tool, and often surgical drill to be used is to bone
Tissue is operated, and such as holes and beats Kirschner wire.Traditional osseous surgery instrument is typically all special the accuracy of mobile phone special equipment head
Unit pattern, considerably increase the equipment purchase expense of hospital.
Follow-up Medical orthopedic electric drill improves to some extent, including：Handle, the inside setting battery of handle, handle is provided with tune
Speed switch, the upper end of handle is provided with casing, is provided with common direct current generator in casing, is provided with omnipotent in the front end of casing
Joint.During use, knuckle can be with phases such as craniotome drill, hollow drill chuck, goose saw chuck, drill chuck, reciprocating sow chucks
Connect.But, the medical electric drill of said structure can not be connected with Kirschner wire gripping head, functional defect, meanwhile, the doctor of said structure
It is common direct current generator with the motor of orthopaedic drill, power is less, and the moment of torsion of generation is also little, the unprotected measure to motor,
The use time of electric drill is shorter.
On July 10th, 2013 invention disclosed number is 201220430832.3 Chinese utility model patent invention, its
Bright entitled " a kind of Medical drilling ", it includes including the main body with adapter sleeve, is provided with the cylindric driving dress of a hollow in main body
Put, the power output shaft of driving means is connected with adapter sleeve, adapter sleeve can realize quickly connecing between different instrument head
Close, and be operated under the drive of power output shaft.Additionally, the hollow drive assembly design of product, can also different length
The Kirschner wire of degree is directly placed in this driving means, and by fixing with the drill chuck head that adapter sleeve coordinates, carries out fracture site
Fixing operation.
Above-mentioned knuckle or the design of adapter sleeve, enable a tractor serves several purposes, the function of highly versatile really.However,
Bring new technical problem, such as：In order to solve the problems, such as versatility or be easily installed, the inner chamber of adapter sleeve is typically than actual peace
The part of dress, the such as diameter of saw drill bit are many greatly, namely always exist between the inner chamber of adapter sleeve and the outer surface of saw drill bit
Certain gap.The presence in this gap, on the one hand can bring larger operating noise, the rehabilitation of impact surgical patient；Another
Aspect, gap, saw drill bit can be made shake to occur or rock, the accuracy of impact operation.After using a period of time, shake may
Electric machine main shaft can be made to wear and tear, so that saw drill bit is not tacit with the cooperation of electric machine main shaft, break down, impact operation
It is smoothed out.
Content 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 highly versatile, behaviour
Make cooperation between simple, saw drill bit and sleeve pipe and closely, shake will not be produced, what noise was little has the Medical electric saw of stabilization function
Bore.
For solving above-mentioned technical problem, the technical solution used in the present invention is：
A kind of Medical electric saw with stabilization function bores, the saw drill bit being connected with the drive shaft of motor including motor
Sleeve pipe with being set in outside saw drill bit, the top excircle of described sleeve pipe is evenly arranged with several small through hole, positioned at little
One interior pivoted housing is set with the sleeve pipe outside through hole, the inner surface setting of this interior pivoted housing has a circular arc conical surface, and this circular arc is bored
The opening in face points to the bottom of sleeve pipe；Form a taper cavity volume between the circular arc conical surface and sleeve pipe, in taper cavity volume, be provided with one
The pushing block of individual ring-type；Described pushing block is evenly arranged with several large through-holes along its circumferencial direction, places one in each large through-hole
Steel ball；The diameter with diameter greater than steel ball of each large through-hole, the diameter of each small through hole is less than the diameter of steel ball；Described pushing block
Top is contacted with the closed end of taper cavity volume, and the bottom of pushing block is connected with spring, and this spring is set on the excircle of sleeve pipe；
The outer sheath of described interior pivoted housing and spring, equipped with an outer pivoted housing, passes through at least one retreat stop block between this outer pivoted housing and interior pivoted housing
It is connected.
Described small through hole, large through-hole and steel ball have three respectively.
One oversheath is set with the sleeve pipe of described interior pivoted housing bottom, this oversheath has an installation portion, this peace
Dress portion is arranged between spring and outer pivoted housing, for spring installation with spacing；It is to be fixedly connected between installation portion and outer pivoted housing.
Described oversheath also has a guide part being wholely set with installation portion.
It is connected by several straight pins between described installation portion and outer pivoted housing.
Described retreat stop block has three.
After the present invention adopts said structure, have the advantages that：
1. the use of above-mentioned sleeve pipe, enables a tractor serves several purposes, the function of highly versatile.
2. the design of the above-mentioned circular arc conical surface, steel ball and spring etc., for the saw drill bit of different-diameter, steel ball all can enter to it
Row is spacing will not to produce shake so as to be fitted close and sleeve pipe between, and the accuracy so as to make operation is high, and noise is little,
Rehabilitation beneficial to patient.
Brief description
Fig. 1 is the structural representation that a kind of Medical electric saw with stabilization function of the present invention bores.
Wherein have：10. sleeve pipe；11. small through hole 20. outer pivoted housing；21. retreat stop blocks；22. straight pins；Pivoted housing in 30.；31. circles
The arc conical surface；32. taper cavity volumes；40. pushing blocks；41. large through-holes；42. steel balls；50. oversheaths；51. installation portions；52. springs；53.
Guide part；60. motors.
Specific embodiment
The present invention is further detailed explanation with concrete better embodiment below in conjunction with the accompanying drawings.
As shown in figure 1, a kind of Medical electric saw with stabilization function bores, including the drive shaft of motor 60 and motor 60
The saw drill bit being connected and the sleeve pipe 10 being set in outside saw drill bit.
Several small through hole 11 are evenly arranged with the top excircle of above-mentioned sleeve pipe 10, preferably 3.Positioned at small through hole
It is set with an interior pivoted housing 30 on the sleeve pipe 10 in 11 outsides.
The inner surface setting of interior pivoted housing 30 has a circular arc conical surface 31, and the opening of this circular arc conical surface 31 points to the bottom of sleeve pipe 10
End.Form a taper cavity volume 32 between the circular arc conical surface 31 and sleeve pipe 10, in taper cavity volume 32, be provided with the pushing block of a ring-type
40.
Pushing block 40 is evenly arranged with several large through-holes 41 along its circumferencial direction, preferably 3.Put in each large through-hole 41
Put a steel ball 42；The diameter with diameter greater than steel ball 42 of each large through-hole 41, the diameter of each small through hole 11 is less than steel ball 42
Diameter.So, steel ball 42 can move in taper cavity volume 32 with pushing block 40, but can not fall in the cavity of sleeve pipe 10.
The top of pushing block 40 is contacted with the closed end of taper cavity volume 32, and the bottom of pushing block 40 is connected with spring 52, spring
52 elastic force, can promote pushing block 40, so that steel ball 42 is at the closed end of the circular arc conical surface 31, enable steel ball 42 to be subject to interior turn
Set 30 axial compressive forces that it is applied, force steel ball 42 to move to the axle center of sleeve pipe 10 so that steel ball 42 with positioned at set
Form tight fit, the axial direction so as to prevent from sawing drill bit is shaken between saw drill bit in pipe 10.
It is provided with oversheath 50 on the sleeve pipe 10 of interior pivoted housing 30 bottom, this oversheath 50 includes installation portion 51 He
One guide part 53, both are preferably wholely set.Installation portion 51 carries a ring-type cavity volume, is provided with suit in this ring-type cavity volume
Spring 52 on sleeve pipe 10.Installation portion 51 can be used for the installation of spring 52 with spacing.
Interior pivoted housing 30 and installation portion 51 outer sheath, equipped with an outer pivoted housing 20, pass through between this outer pivoted housing 20 and interior pivoted housing 30
At least one retreat stop block 21 is connected, preferably 3.It is connected by several straight pins 22 between installation portion 51 and outer pivoted housing 20
Connect.
The preferred embodiment of the present invention described in detail above, but, the present invention is not limited in above-mentioned embodiment
Detail, in the range of the technology design of the present invention, multiple equivalents can be carried out to technical scheme, this
A little equivalents belong to protection scope of the present invention.
Claims (3)
1. a kind of Medical electric saw with stabilization function bores, the saw drill bit being connected with the drive shaft of motor including motor and
Be set in saw drill bit outside sleeve pipe it is characterised in that：It is evenly arranged with several little logical on the top excircle of described sleeve pipe
Hole, is set with an interior pivoted housing in the described sleeve pipe outside small through hole, and the inner surface setting of this interior pivoted housing has a circular arc
The conical surface, the opening of this circular arc conical surface points to the bottom of sleeve pipe；Form a taper cavity volume, taper is held between the circular arc conical surface and sleeve pipe
Intracavity is provided with the pushing block of a ring-type；Described pushing block is evenly arranged with several large through-holes along its circumferencial direction, and each is logical greatly
In the hole places a steel ball；The diameter with diameter greater than steel ball of each large through-hole, the diameter of each small through hole is less than the straight of steel ball
Footpath；The top of described pushing block is contacted with the closed end of taper cavity volume, and the bottom of pushing block is connected with spring, and this spring is set in set
On the excircle of pipe；The outer sheath of described interior pivoted housing and spring, equipped with an outer pivoted housing, passes through between this outer pivoted housing and interior pivoted housing
At least one retreat stop block is connected；Described small through hole, large through-hole and steel ball have three respectively；
One oversheath is set with the sleeve pipe of described interior pivoted housing bottom, this oversheath has an installation portion, this installation portion
Be arranged between spring and outer pivoted housing, for spring installation with spacing；It is to be fixedly connected between installation portion and outer pivoted housing；
Described oversheath also has a guide part being wholely set with installation portion.
2. the Medical electric saw with stabilization function according to claim 1 bore it is characterised in that：Described installation portion is with outward
It is connected by several straight pins between pivoted housing.
3. the Medical electric saw with stabilization function according to claim 1 bore it is characterised in that：Described retreat stop block has three
Individual.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510024616.7A CN104586465B (en) | 2015-01-19 | 2015-01-19 | Medical electric sawing drill with anti-shaking function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510024616.7A CN104586465B (en) | 2015-01-19 | 2015-01-19 | Medical electric sawing drill with anti-shaking function |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104586465A CN104586465A (en) | 2015-05-06 |
| CN104586465B true CN104586465B (en) | 2017-02-22 |
Family
ID=53112761
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510024616.7A Active CN104586465B (en) | 2015-01-19 | 2015-01-19 | Medical electric sawing drill with anti-shaking function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104586465B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105105818B (en) * | 2015-07-22 | 2018-04-03 | 苏州益诺斯医疗科技有限公司 | A kind of medical reciprocating saw |
| AU2017372911B2 (en) * | 2016-12-07 | 2020-07-02 | Orthosoft Ulc | Torque sensor sawblade anti-skiving system |
| CN113558714B (en) * | 2021-06-30 | 2022-06-10 | 河南省洛阳正骨医院（河南省骨科医院） | Phalanx saw for orthopedic operation |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5222956A (en) * | 1992-07-06 | 1993-06-29 | Altair Instruments, Inc. | Surgical drill collet mechanism and bur |
| DE10064975C1 (en) * | 2000-12-23 | 2002-07-25 | Aesculap Ag & Co Kg | Drilling tool for a surgical drill |
| CN102240220A (en) * | 2010-05-12 | 2011-11-16 | 上海信晟光电技术有限公司 | Swing saw blade locking device |
| CN101972157B (en) * | 2010-09-30 | 2011-12-21 | 重庆润泽医疗器械有限公司 | Drill bit locking device and drill bit |
| CN204468189U (en) * | 2015-01-19 | 2015-07-15 | 鲁仁义 | A kind of Medical electric saw with stabilization function bores |
-
2015
- 2015-01-19 CN CN201510024616.7A patent/CN104586465B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN104586465A (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 |
Inventor after: Lu Renyi Inventor after: Niu Yuezhong Inventor after: Xu Ning Inventor before: Lu Renyi Inventor before: Nicole Ray Wo Inventor before: Niu Yuezhong Inventor before: Xu Ning |
|
| CB03 | Change of inventor or designer information | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200922 Address after: 215200 room 3, apartment 610, silk Plaza, Shengze Town, Wujiang District, Suzhou, Jiangsu Patentee after: SUZHOU YIKADI SPORTS EQUIPMENT 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 | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20201229 Address after: No.1 Weier Road, Shanggang Industrial Park, Jianhu County, Yancheng City, Jiangsu Province Patentee after: Jianhu Shanggang Industrial Park Service Co., Ltd Address before: 215200 Room 610, Apartment 3, Silk Center Plaza, Shengze Town, Wujiang District, Suzhou City, Jiangsu Province Patentee before: SUZHOU YIKADI SPORTS EQUIPMENT Co.,Ltd. |
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| TR01 | Transfer of patent right |