CN108113731A - A kind of orthopaedics nail combined countersink drill - Google Patents
A kind of orthopaedics nail combined countersink drill Download PDFInfo
- Publication number
- CN108113731A CN108113731A CN201711469748.6A CN201711469748A CN108113731A CN 108113731 A CN108113731 A CN 108113731A CN 201711469748 A CN201711469748 A CN 201711469748A CN 108113731 A CN108113731 A CN 108113731A
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- China
- Prior art keywords
- fixedly connected
- spring
- bearing
- rack
- nail
- 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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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
- A61B17/1655—Bone cutting, breaking or removal means other than saws, e.g. Osteoclasts; Drills or chisels for bones; Trepans for tapping
Abstract
The present invention relates to medical instruments, it is specifically related to a kind of orthopaedics nail combined countersink drill, including bearing mounting base and bearing, bearing is fixedly connected in the bearing mounting base, the inner ring of the bearing is fixedly connected with rotation axis, the rotation axis runs through bearing mounting base, and it is fixedly connected with nail on the external end head of rotation axis and immerses oneself in drill bit, gear is fixedly connected in the rotation axis inner termination, the upper end of the bearing mounting base is vertically fixedly connected there are two swingle fixinig plate, swingle is connected with by movable axis between two swingle fixinig plates, the middle part of the swingle, which is run through, is equipped with rectangle rack mounting hole, rack is connected with by axis pin in the rack mounting hole.The present invention is scientific and reasonable for structure, and operation control is simple and convenient, and drilling efficiency is high, and drilling quality is good, reduces the time of bone surgery, improves the technical merit of bone surgery, is suitble to promote the use of.
Description
Technical field
The present invention relates to medical instruments, are specifically related to a kind of orthopaedics nail combined countersink drill.
Background technology
In bone surgery, it is sometimes necessary to the nail in drilling on the bone of patient, on the external end head of bone screw holes also
It needs to drill out the countersunk of nail, facilitates in the major part embedment bone by nail upper end, since the drill bit for boring nail countersunk is
Special-shaped ramped shaped, and diameter is bigger, if using electronic orthopaedics drilling row operation, very bad control, electric orthopedic
The rotating speed of brill is very high, and volume is big, and control is bad to be easy for nail immersing oneself in hole drill partially or bore greatly, and can cause can not to patient's bone
The damage made up so the hand still used in bone surgery at present takes nail combined countersink drill, grasps hand and is immersed oneself in by nail
Then the handle of brill takes nail combined countersink drill by the entire hand of rotatable handle, drill bit is immersed oneself in by nail combined countersink drill bottom using hand
Nail countersunk is drilled out, although take nail combined countersink drill efficiency low using hand, and the nail countersunk drilled out nor mark very much
Standard, but the problem of be easy to control, be not in that nail countersunk is excessive or deflection is excessive, but eventually using manually imitating
Rate is still too low, and the operating time is long, adds the pain of patient, and the nail countersunk drilled out is not very standard,
The operation doctor of bone surgery and the technical staff of medical instrument are also pursuing a kind of better instrument always, and the current country is not
Have and solve the problems, such as that this medical instrument occurs, for this purpose, it is proposed that a kind of orthopaedics nail combined countersink drill.
The content of the invention
The technical problem to be solved by the present invention is to overcome the defects of the prior art, providing a kind of orthopaedics nail combined countersink drill,
Solve the drilling problems of nail countersunk in current bone surgery.
In order to solve the above technical problems, the present invention provides following technical scheme：A kind of orthopaedics nail combined countersink drill, including axis
Mounting base and bearing are held, bearing is fixedly connected in the bearing mounting base, the inner ring of the bearing is fixedly connected with rotation axis,
The rotation axis runs through bearing mounting base, and nail is fixedly connected on the external end head of rotation axis and immerses oneself in drill bit, the rotation
Gear is fixedly connected in axis inner termination, the upper end of the bearing mounting base is vertically fixedly connected there are two swingle fixinig plate,
Swingle is connected with by movable axis between two swingle fixinig plates, the middle part of the swingle is run through equipped with rectangular
Shape rack mounting hole, the rack mounting hole is interior to be connected with rack by axis pin, and the both ends of the axis pin are movably connected in tooth
In axis pin location hole on mounting hole front-rear side walls, the axis pin location hole is strip hole, and the rack and pinion is corresponding
Side elevation be equipped with rectangular recess, the groove bottom is toothed around, and the gear is movably arranged in groove, and tooth
Wheel is together with gear teeth intermeshing, and the lower end of the rack is through support plate, and fixed company on the lower outer head of rack
Catch is connected to, the right end of the support plate is fixedly connected with handlebar stem, and the handlebar stem upper center is fixedly connected with spring and consolidates
Determine shell, spring in the endoporus of the spring set casing is installed, spring-compressed bar, the bullet are equipped at the upper end of the spring
The upper end of spring constrictor is fixedly connected on swingle, and the lower end of the spring-compressed bar is arranged on the endoporus of spring set casing
In, and by spring compression, grip is fixedly connected with outside the handlebar stem on end, the outside of the gear is equipped with shield,
The shield is fixedly connected on the supporting plate.
Further, there are two the bearing is set, two bearings are fixedly mounted in bearing mounting base side by side, described
Bearing mounting base inner top side, which is bolted, is connected with tabletting, and the outer ring of bearing is pressed on bearing mounting base by the tabletting
Interior, by being threaded with retaining ring on outer ring on the left of the rotation axis, the retaining ring is pressed on bearing inner race side elevation.
Further, the nail immerses oneself in be connected through a screw thread between drill bit and rotation axis.
Further, the axis pin is slidably matched with axis pin location hole.
Further, the rack is slidably matched with rack mounting hole, and gap is equipped between the rack and support plate.
Further, it is equipped with arc groove on the outside of the right end of the swingle.
Further, the spring set casing and spring-compressed bar are respectively mutually matched arc-shaped and arc-shaped
The center of circle overlapped with the center of circle of movable axis, the endoporus of the spring-compressed bar and spring set casing is slidably matched.
Further, the material of the grip is rubber material.
The present invention has an advantageous effect in that compared with prior art：A kind of orthopaedics nail combined countersink drill can substitute existing
Some hands take nail combined countersink drill, and bone surgery doctor is helped fast and easily to drill out nail countersunk, is controlled in operation
System is convenient, and drilling efficiency is high, reduces the pain that patient is born in operation, and the nail countersunk very standard drilled out,
The drilling quality of nail countersunk is improved, greatly facilitates the operation of medical worker, use is drilled through in nail countersunk
There is breakthrough contribution, the present invention is scientific and reasonable for structure, and operation control is simple and convenient, and drilling efficiency is high, and drill matter on instrument
It measures, reduces the time of bone surgery, improve the technical merit of bone surgery, be suitble to promote the use of.
Description of the drawings
Fig. 1 is a kind of orthopaedics nail combined countersink drill structure diagram of the present invention；
Fig. 2 is a kind of orthopaedics nail combined countersink drill upper end of the invention top view；
Fig. 3 is a kind of orthopaedics nail combined countersink drill bottom of the invention bottom view；
Fig. 4 is that the hand used at present takes the structure diagram of nail combined countersink drill；
Fig. 5 is the structure diagram of the bone screw holes and nail countersunk on bone；
Fig. 6 is a kind of status architecture schematic diagram of the orthopaedics nail combined countersink drill of the present invention when boring nail countersunk.
Figure label is：1- bearing mounting bases, 2- bearings, 3- rotation axis, 4- nails immerse oneself in drill bit, 5- gears, 6- activities
Axis, 7- swingles fixinig plate, 8- swingles, 801- racks mounting hole, 802- axis pins location hole, 803- arc grooves, 9- axis pins,
10- racks, 1001- grooves, the 1002- gear teeth, 1003- catch, 11- support plates, 12- handlebar stems, 13- springs set casing, 14- bullets
Spring, 15- spring-compresseds bar, 16- grips, 17- shields, 18- tablettings, 19- retaining rings, 20- hands take nail combined countersink drill, 21- bones,
2101- bone screw holes, 2102- nail countersunks.
Specific embodiment
In order to make the purpose , technical scheme and advantage of the present invention be clearer, with reference to the accompanying drawings and embodiments, it is right
The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and
It is not used in the restriction present invention.
It is understood referring to figs. 1 to Fig. 6：A kind of orthopaedics nail combined countersink drill, including bearing mounting base 1 and bearing 2, the bearing
Bearing 2 is fixedly connected in mounting base 1, the inner ring of the bearing 2 is fixedly connected with rotation axis 3, and the rotation axis 3 runs through bearing
Mounting base 1, and nail is fixedly connected on the external end head of rotation axis 3 and immerses oneself in drill bit 4, it is fixed in 3 inner termination of rotation axis
It is connected with gear 5, the upper end of the bearing mounting base 1 is vertically fixedly connected with that there are two swingle fixinig plate 7, two rotations
Swingle 8 is connected with by movable axis 6 between bar fixinig plate 7, the middle part of the swingle 8 is run through to be consolidated equipped with rectangle rack
Determine hole 801, the rack mounting hole 801 is interior to be connected with rack 10 by axis pin 9, and the both ends of the axis pin 9 are movably connected in
In axis pin location hole 802 on 801 front-rear side walls of rack mounting hole, the axis pin location hole 802 be strip hole, the rack 10
Rectangular recess 1001 is equipped with 5 corresponding side elevation of gear, 1001 bottom of groove is toothed around 1002, the tooth
Wheel 5 is movably arranged in groove 1001, and together with gear 5 is intermeshed with the gear teeth 1002, the lower end of the rack 10 is passed through
Perforating branches fagging 11, and catch 1003 is fixedly connected on the lower outer head of rack 10, the right end of the support plate 11 is fixed
Handlebar stem 12 is connected with, 12 upper center of handlebar stem is fixedly connected with spring set casing 13, the spring set casing 13
Spring 14 in endoporus is installed, is equipped with spring-compressed bar 15 at the upper end of the spring 14, the spring-compressed bar 15 it is upper
End is fixedly connected on swingle 8, and the lower end of the spring-compressed bar 15 is arranged in the endoporus of spring set casing 13, and will
Spring 14 compresses, and grip 16 is fixedly connected on the 12 outside end of handlebar stem, and the outside of the gear 5 is equipped with shield 17,
The shield 17 is fixedly connected in support plate 11.
There are two the bearing 2 is set, two bearings 2 are fixedly mounted on side by side in bearing mounting base 1, use two axis
Holding 2 can ensure that rotation axis 3 rotates steadily, and 1 inner top side of bearing mounting base, which is bolted, is connected with tabletting 18, described
The outer ring of bearing 2 is pressed in bearing mounting base 1 by tabletting 18, can prevent the play in bearing mounting base 1 of bearing 2；It is described
By being threaded with retaining ring 19 on 3 left side outer ring of rotation axis, the retaining ring 19 is pressed on 2 inner ring side elevation of bearing, energy
Enough prevent the play on the inner ring of bearing 2 of rotation axis 3.
The nail immerses oneself in be connected through a screw thread between drill bit 4 and rotation axis 3, can be facilitated by the way of threaded connection
Dismounting and change nail immerses oneself in drill bit 4.
The axis pin 9 is slidably matched with axis pin location hole 802, and when being moved convenient for rack 10, axis pin 9 can be positioned in axis pin
It is moved in hole 802.
The rack 10 is slidably matched with rack mounting hole 801, gap is equipped between the rack 10 and support plate 11, just
It can smoothly be moved in rack 10 in support plate 11.
Arc groove 803 is equipped on the outside of the right end of the swingle 8, swingle 8 is fastened convenient for finger.
The spring set casing 13 and spring-compressed bar 15 are respectively to be mutually matched the arc-shaped and arc-shaped center of circle
It is overlapped with the center of circle of movable axis 6, the endoporus of the spring-compressed bar 15 and spring set casing 13 is slidably matched, and swingle 8 surrounds
When movable axis 6 rotates, spring-compressed bar 15 can be moved smoothly in the endoporus of spring set casing 13.
The material of the grip 16 is rubber material, and rubber material person easy to operation is comfortable when holding again can be anti-skidding.
The principle of the present invention and advantage：A kind of orthopaedics nail combined countersink drill when in use, is grasped at grip 16, four
Nail is immersed oneself in the upper end end of bone screw holes 2101 in the tip alignment bone 21 of drill bit 4 by a finger buckle in arc groove 803
Mouthful, nail is allowed to immerse oneself in drill bit 4 and is in bone screw holes 2101 on same central axis, then pulls four fingers, four finger bands
The rotation at handlebar stem 12 on bearing mounting base 1 around movable axis 6 of dynamic swingle 8, swingle 8 is by axis pin 9 with carry-over bar
10 is mobile to 11 outside of support plate, and rack 10 exposes 11 outside of support plate, described because swingle 8 is rotated around movable axis 6
Axis pin 9 can move in axis pin location hole 802, during rack 10 is mobile to 11 outside of support plate, in groove 1001
The gear teeth 1002 are rotated with moving gear 5, and gear 5 drives rotation axis 3 to be rotated on two bearings 2, and rotation axis 3 drives the nail of bottom
It immerses oneself in drill bit 4 to rotate, while nail immerses oneself in the rotation of drill bit 4, be pushed down on entire nail combined countersink drill with hand, the bone of rotation
Nail immerses oneself in drill bit 4 and carries out reaming cutting to the bone 21 of 2101 upper end of bone screw holes, at this point, spring-compressed bar 15 is to spring set casing
13 endoporus movement, and spring 14 is compressed, when swingle 8 touches spring set casing 13, the process of cutting at one time is just completed, and is put
Loose four fingers, spring 14 stretch, the springing spring-compressed bar 15 under the action of elastic force of spring 14, and spring-compressed bar 15 is to spring
13 outside of set casing is mobile, and spring-compressed bar 15 promotes the rotation of 8 negative direction of swingle, and swingle 8 is with 10 negative side of carry-over bar
To movement, the gear teeth 1002 on rack 10 are immersed oneself in drill bit 4 with moving gear 5, rotation axis 3 and nail and are reversely rotated, and rack 10 is reversed
Mobile until catch 1003 touches support plate 11, once complete cutting and recuperation just terminate, and first time cuts and restores
Process after, entire nail combined countersink drill at nail countersunk 2102 can be taken away, visually observe preliminary drill out and compare
Whether the location and shape of shallow nail countersunk 2102 are qualified, and the process of next cutting and recovery is continued to if qualified,
Unqualified slightly to adjust, nail combined countersink drill after cutting and restoring back and forth several times, just complete, and makes by nail countersunk 2102
Inner hole surface with the nail countersunk 2102 of the invention drilled out is round and smooth, and quality is good, during nail countersunk 2102 is bored,
The rotating speed that nail immerses oneself in drill bit 4 can be adjusted by increasing or reducing the dynamics of four fingers at any time, can also stop revolving at any time
Turn, it is easy to control, be not in bore the problem of uncontrollable using electric orthopedic, it is of the invention in the case where various states are controllable
The good nail countersunk 2102 of quality efficiently can be quickly drilled out, the present invention is scientific and reasonable for structure, and the nail drilled out is immersed oneself in
2102 mass of hole is good, efficient, has important breakthrough on the technology point of orthopaedics countersunk 2102, is suitble to promote the use of.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
All any modification, equivalent and improvement made within refreshing and principle etc., should all be included in the protection scope of the present invention.
Claims (8)
1. a kind of orthopaedics nail combined countersink drill, including bearing mounting base（1）And bearing（2）, the bearing mounting base（1）Interior fixation
It is connected with bearing（2）, it is characterised in that：The bearing（2）Inner ring be fixedly connected with rotation axis（3）, the rotation axis（3）It passes through
Wear bearing mounting base（1）, and rotation axis（3）External end head on be fixedly connected with nail and immerse oneself in drill bit（4）, the rotation axis
（3）Gear is fixedly connected in inner termination（5）, the bearing mounting base（1）Upper end be vertically fixedly connected there are two swingle
Fixinig plate（7）, two swingle fixinig plates（7）Between by movable axis（6）It is connected with swingle（8）, the rotation
Bar（8）Middle part run through be equipped with rectangle rack mounting hole（801）, the rack mounting hole（801）It is interior by axis pin（9）Activity is even
It is connected to rack（10）, the axis pin（9）Both ends be movably connected in rack mounting hole（801）Axis pin location hole on front-rear side walls
（802）It is interior, the axis pin location hole（802）For strip hole, the rack（10）With gear（5）Corresponding side elevation is equipped with
Rectangular recess（1001）, the groove（1001）Bottom is toothed around（1002）, the gear（5）It is movably arranged on groove
（1001）It is interior, and gear（5）With the gear teeth（1002）It is intermeshed together, the rack（10）Lower end run through support plate
（11）, and rack（10）Lower outer head on be fixedly connected with catch（1003）, the support plate（11）Right end fix
It is connected with handlebar stem（12）, the handlebar stem（12）Upper center is fixedly connected with spring set casing（13）, the spring fixes
Shell（13）Endoporus in spring is installed（14）, the spring（14）Upper end at be equipped with spring-compressed bar（15）, the bullet
Spring constrictor（15）Upper end be fixedly connected on swingle（8）On, the spring-compressed bar（15）Lower end be arranged on spring and consolidate
Determine shell（13）Endoporus in, and by spring（14）It compresses, the handlebar stem（12）Grip is fixedly connected on external end
（16）, the gear（5）Outside be equipped with shield（17）, the shield（17）It is fixedly connected on support plate（11）On.
A kind of 2. orthopaedics nail combined countersink drill according to claim 1, which is characterized in that the bearing（2）There are two if,
Two bearings（2）Bearing mounting base is fixedly mounted on side by side（1）It is interior, the bearing mounting base（1）Inner top side is by bolt
It is fixedly connected with tabletting（18）, the tabletting（18）By bearing（2）Outer ring be pressed on bearing mounting base（1）It is interior, the rotation
Axis（3）By being threaded with retaining ring on the outer ring of left side（19）, the retaining ring（19）It is pressed on bearing（2）Inner ring side elevation
On.
3. a kind of orthopaedics nail combined countersink drill according to claim 1, which is characterized in that the nail immerses oneself in drill bit（4）
With rotation axis（3）Between be connected through a screw thread.
A kind of 4. orthopaedics nail combined countersink drill according to claim 1, which is characterized in that the axis pin（9）Determine with axis pin
Position hole（802）It is slidably matched.
A kind of 5. orthopaedics nail combined countersink drill according to claim 1, which is characterized in that the rack（10）Consolidate with rack
Determine hole（801）It is slidably matched, the rack（10）With support plate（11）Between be equipped with gap.
A kind of 6. orthopaedics nail combined countersink drill according to claim 1, which is characterized in that the swingle（8）Right end
Outside is equipped with arc groove（803）.
A kind of 7. orthopaedics nail combined countersink drill according to claim 1, which is characterized in that the spring set casing（13）With
Spring-compressed bar（15）What is be respectively mutually matched is arc-shaped, and the arc-shaped center of circle and movable axis（6）The center of circle overlap, institute
State spring-compressed bar（15）With spring set casing（13）Endoporus be slidably matched.
A kind of 8. orthopaedics nail combined countersink drill according to claim 1, which is characterized in that the grip（16）Material be
Rubber material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711469748.6A CN108113731B (en) | 2017-12-29 | 2017-12-29 | Bone nail countersink drill for orthopedics |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711469748.6A CN108113731B (en) | 2017-12-29 | 2017-12-29 | Bone nail countersink drill for orthopedics |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108113731A true CN108113731A (en) | 2018-06-05 |
| CN108113731B CN108113731B (en) | 2020-07-31 |
Family
ID=62232472
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711469748.6A Active CN108113731B (en) | 2017-12-29 | 2017-12-29 | Bone nail countersink drill for orthopedics |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108113731B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109938802A (en) * | 2019-04-29 | 2019-06-28 | 上海医疗器械（集团）有限公司手术器械厂 | Minimally Invasive Surgery instrument |
| CN111870307A (en) * | 2020-07-07 | 2020-11-03 | 中南大学湘雅医院 | Rotator cuff patching device |
| CN112672670A (en) * | 2018-08-01 | 2021-04-16 | Tag医疗器材农业合作有限公司 | Adjustable drilling device and using method thereof |
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| CN86201942U (en) * | 1986-04-09 | 1987-06-03 | 谢庆年 | Mini hand-operated rotary drive device |
| EP0272434A2 (en) * | 1986-11-20 | 1988-06-29 | List, Heinz-Jürgen | Bone drilling machine |
| CN1122567A (en) * | 1993-05-11 | 1996-05-15 | 杰克·W·罗马诺 | Apparatus for drilling a curved bore |
| CN2284662Y (en) * | 1997-05-31 | 1998-06-24 | 谢增余 | Hand drill |
| US5911722A (en) * | 1998-07-23 | 1999-06-15 | Millenium Devices Llc | Leban/Gordon surgical hand driver |
| JPH11188043A (en) * | 1997-12-26 | 1999-07-13 | Gunze Ltd | Orthopedic instrument |
| CN203153861U (en) * | 2013-04-21 | 2013-08-28 | 朱亮洪 | Medical bone drill |
| CN106378475A (en) * | 2016-10-27 | 2017-02-08 | 林志城 | Electric hand drill with high applicability |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN86201942U (en) * | 1986-04-09 | 1987-06-03 | 谢庆年 | Mini hand-operated rotary drive device |
| EP0272434A2 (en) * | 1986-11-20 | 1988-06-29 | List, Heinz-Jürgen | Bone drilling machine |
| CN1122567A (en) * | 1993-05-11 | 1996-05-15 | 杰克·W·罗马诺 | Apparatus for drilling a curved bore |
| CN2284662Y (en) * | 1997-05-31 | 1998-06-24 | 谢增余 | Hand drill |
| JPH11188043A (en) * | 1997-12-26 | 1999-07-13 | Gunze Ltd | Orthopedic instrument |
| US5911722A (en) * | 1998-07-23 | 1999-06-15 | Millenium Devices Llc | Leban/Gordon surgical hand driver |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112672670A (en) * | 2018-08-01 | 2021-04-16 | Tag医疗器材农业合作有限公司 | Adjustable drilling device and using method thereof |
| CN109938802A (en) * | 2019-04-29 | 2019-06-28 | 上海医疗器械（集团）有限公司手术器械厂 | Minimally Invasive Surgery instrument |
| CN111870307A (en) * | 2020-07-07 | 2020-11-03 | 中南大学湘雅医院 | Rotator cuff patching device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108113731B (en) | 2020-07-31 |
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| CB03 | Change of inventor or designer information |
Inventor after: Yin Ercheng Inventor after: Wang Zhen Inventor after: Jia Zhike Inventor after: Ding Chunlin Inventor before: Ding Chunlin |
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Effective date of registration: 20200707 Address after: Kyushu road Hebi Qibin zone 458000 Henan province No. 115 Applicant after: THE PEOPLE'S HOSPITAL OF HEBI Address before: 230601 Anhui Province, Binhu New District Rui Park Southern District, building, unit 1, Room 802, room 22 Applicant before: Ding Chunlin |
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