CN105266958B - Cerumen gun with drill bit - Google Patents
Cerumen gun with drill bit Download PDFInfo
- Publication number
- CN105266958B CN105266958B CN201510837368.8A CN201510837368A CN105266958B CN 105266958 B CN105266958 B CN 105266958B CN 201510837368 A CN201510837368 A CN 201510837368A CN 105266958 B CN105266958 B CN 105266958B
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- China
- Prior art keywords
- drill bit
- pricker
- bar
- turning
- lance actuation
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Surgical Instruments (AREA)
- Dental Tools And Instruments Or Auxiliary Dental Instruments (AREA)
Abstract
The invention provides a cerumen gun with a drill bit. The cerumen gun with the drill bit comprises the drill bit, a probing rod, a driving device and a propulsion device, wherein the drill bit is in rotatable connection with the probing rod, the probing rod is internally provided with a main driving rotation shaft, the main driving rotation shaft is connected with the drill bit, the drill bit is driven to rotate by the main driving rotation shaft under the action of the driving device, the drill bit is provided with a pricker hole, the pricker hole is internally provided with a pricker, and the pricker under the action of the propulsion device projects out of the surface of the drill head through the pricker hole or is accommodated in the drill head. The cerumen gun with the drill bit is advantaged in that, the volume is small, weight is light, part portions and button positions are reasonable, operation is convenient, a handle is comfortable to hold, the cerumen gun with the drill bit can be used without vision blocking, the cerumen gun with the drill bit can stretch into a cerumen to remove cerumen, and the erumen gun with the drill bit does not damage ears.
Description
Technical field
The present invention relates to Clinical Surgery's therapeutic device, more particularly to a kind of rifle of earwaxing with drill bit.
Background technology
Due to being affected by physiology and working environment, everyone can have in ear it is different degrees of earwax, earwax sudden and violent
Dew is easily dried in atmosphere, becomes lamellar, when earwax long time integration when, can form that volume is larger, the group of earwaxing that quality is harder
Block, in being blocked in auditory meatus, forms keratosis obturans of external ear canal.Existing otology earwax taking-up apparatus be all using tweezers or earwax
Hook, but common tweezers and cerumen hook cannot securely clamp agglomerate of earwaxing, and cause agglomerate of earwaxing to be not easily taken out, or even by Ding
Cerumen pushes auditory meatus depths, less easy-clear to.
The content of the invention
It is an object of the invention to provide a kind of rifle of earwaxing with drill bit, deep enough can earwax interior, block of earwaxing takes out, and
Ear will not be damaged.
For achieving the above object, the present invention is adopted the following technical scheme that：
A kind of rifle of earwaxing with drill bit, including drill bit, bar, driving means and propulsion plant are probeed into, drill bit turns with bar is probeed into
Dynamic connection, the inside for probeing into bar is provided with main transmission rotating shaft, and main transmission rotating shaft is connected with drill bit, and main transmission rotating shaft is in driving means
Effect is lower to drive drill bit to rotate, and the drill bit is provided with pricker hole, pricker is provided with drill bit, and pricker is in the presence of propulsion plant
Bit face is projected by pricker hole or is accommodated in drill bit.
The afterbody of the drill bit is provided with Joining clasp, and the front end for probeing into bar is provided with the snap ring corresponding with Joining clasp
Groove, drill bit rotates connection with bar is probeed into by Joining clasp and annular groove.
The outer surface of the drill bit is furnished with screw thread, and cavity is provided with drill bit, drill bit is provided with cavity and is driven three rotating disks
With thin drive shaft, drill bit is driven three rotating disks and is fixedly connected with drill bit wall, and drill bit is driven three rotating disks and thin drive shaft
Front end be connected, the rear end of thin drive shaft connects driving means by main transmission rotating shaft.
Using motor or rotating driving device, rotating driving device includes main transmission shaft gear, turns the driving means
Tooth sector and power gear under tooth sector, turning-bar, turning-bar on bar, the main transmission shaft gear is fixed on main biography
The rear end of dynamic rotating shaft, and main transmission shaft gear is meshed with tooth sector on turning-bar, the upper and lower ends of turning-bar are solid respectively
Surely there is on turning-bar tooth sector under tooth sector and turning-bar, tooth sector is meshed with power gear under turning-bar, power
Gear connects power motor, and the output shaft of power motor forms snail by tooth sector under power gear and turning-bar and turning-bar
Bar is driven, and turning-bar forms worm-drive by tooth sector on turning-bar and main transmission shaft gear with main transmission rotating shaft.
The pricker is made up of elastomeric material, and drill bit inwall is provided with pricker cabin, and in each pricker cabin one is provided with
Pricker, in the outer surface of drill bit pricker hole corresponding with pricker, the rear end connection propulsion plant of pricker are provided with.
The propulsion plant includes pricker pushing ram, pricker pushing ring, lance actuation side pole, lance actuation stock, pricker
Transmission cross bar, lance actuation montant and lance actuation mobile jib, the front end of the pricker pushing ram connects the rear end of pricker, and pricker is pushed away
Enter the internal diameter of the diameter less than pricker cabin of bar, the rear end of pricker pushing ram is connected with pricker pushing ring, arranges on pricker pushing ring
There are several pricker pushing ram fixing grooves；The center of pricker pushing ring is additionally provided with circular hole, and thin drive shaft is passed through from circular hole；Institute
The rear end for stating pricker pushing ring connects the front end of lance actuation side pole, and the rear end of lance actuation side pole is connected by lance actuation stock
The front end that lance actuation turns to cross bar is connect, the lance actuation stock is located at and probes in the cavity of bar, and the lance actuation is turned to
The rear end connection lance actuation of cross bar turns to the upper end of montant, and lance actuation turns to the lower end of montant and lance actuation mobile jib phase
Even, lance actuation mobile jib is also connected with pricker push button.
Anti- unstability reinforcing ring is arranged with the lance actuation stock, anti-unstability reinforcing ring is provided with circular hole and centre bore,
Centre bore is located at the center of anti-unstability reinforcing ring, and main transmission rotating shaft passes through the centre bore of anti-unstability reinforcing ring, lance actuation
Stock is passed through in the centre bore from anti-unstability reinforcing ring, and the anti-unstability reinforcing ring has three, positioned at the anti-unstability of the leftmost side
Reinforcing ring connects lance actuation side pole and lance actuation stock, and the anti-unstability reinforcing ring positioned at the rightmost side connects lance actuation stock
Cross bar is turned to lance actuation, lance actuation stock is passed through from the anti-unstability reinforcing ring positioned at centre.
The lance actuation side pole has two, is connected with pricker pushing ring respectively；The lance actuation stock has two, and two
Root lance actuation stock is arranged above and below, and is connected with lance actuation side pole by anti-unstability reinforcing ring respectively.
Also include being provided with the handle dislocation montant of cavity and handle, the upper end of the handle dislocation montant connects with probeing into bar and fixing
Connect, lower end is fixedly connected with handle, the lance actuation turns to cross bar, lance actuation and turns to montant, main transmission shaft gear, turns
Tooth sector, power gear and lance actuation mobile jib are arranged under tooth sector, turning-bar, turning-bar on bar, turning-bar
In the cavity of handle dislocation montant, the power motor and lance actuation mobile jib are arranged in the cavity of handle, handle cavity
Battery flat is inside additionally provided with, pricker push button and drill bit shift knob, pricker push button and lance actuation mobile jib are provided with the handle
It is connected, drill bit shift knob is connected with power motor.
The present invention provides power by aneroid battery, drives power gear to rotate by power motor, and power gear drives successively
Tooth sector, main transmission shaft gear, main transmission rotating shaft, thin drive shaft on tooth sector, turning-bar, turning-bar under turning-bar
Three rotating disks are driven with drill bit to rotate, make in drill bit pierces and earwax；Meanwhile, it is perpendicular that lance actuation mobile jib drives lance actuation to turn to
Bar, lance actuation turn to cross bar, lance actuation stock and pricker pushing ring and move forward, so as to pricker be pushed away from pricker hole
Go out, pricker piercing can be clenched and earwaxed in earwaxing, and the pull-out auditory meatus that will earwax, and auditory meatus will not be damaged.The present invention
With small volume, lightweight, each component locations and button positions rationally, are easy to operation, and handle grip is comfortable, when using sight line without
The advantage of stop.
Description of the drawings
Fig. 1 is the structural representation of the present invention；
Fig. 2 is internal structure schematic diagram of the present invention；
Fig. 3 is the structural representation of drill bit when pricker of the present invention is accommodated in drill bit；
Fig. 4 is the structural representation of drill bit when pricker of the present invention projects drill bit；
Fig. 5 is the internal structure schematic diagram of drill bit of the present invention；
Fig. 6 is the structural representation for probeing into bar of the present invention；
Fig. 7 is the structural representation for probeing into boom end of the present invention；
Fig. 8 is the structural representation of handle dislocation montant of the present invention；
Fig. 9 is drive shaft gear of the present invention, tooth sector and power teeth under tooth sector, turning-bar on turning-bar
The structural representation of wheel.
Specific embodiment
As shown in Figures 1 to 9, the present invention include drill bit 1, probe into bar 2, handle dislocation montant 3, handle 4, driving means and
Propulsion plant, drill bit 1 be connected with probeing into bar 2 and rotating, and the inside for probeing into bar 2 is provided with main transmission rotating shaft 19, main transmission rotating shaft 19 and
Drill bit 1 connects, and main transmission rotating shaft 19 drives drill bit 1 to rotate in the presence of driving means, and drill bit 1 is provided with pricker hole 7, drill bit
Pricker 8 is provided with 1, pricker 8 projects bit face or is accommodated in drill bit in the presence of propulsion plant by pricker hole 7.
The head of drill bit 1 is sharp, and afterbody is provided with Joining clasp 29, and the front end for probeing into bar 2 is provided with and Joining clasp 29 pairs
The annular groove 30 answered, drill bit 1 rotates connection with bar 2 is probeed into by Joining clasp 29 and annular groove 30, and the outer surface of drill bit 1 is furnished with
Screw thread 9, allows in drill bit 1 pierces and earwax, and breaks up without earwaxing or pushes in auditory meatus depths, drill bit 1 and is provided with cavity, empty
Intracavity is provided with drill bit and is driven three rotating disks 15 and thin drive shaft 16, and the rotating disk 15 of drill bit transmission three is fixed with drill bit wall and connected
Connect, and drill bit is driven three rotating disks 15 and is connected with thin drive shaft 16, for driving drill bit 1 to rotate, after thin drive shaft 16
End connects driving means by main transmission rotating shaft 19.
Driving means include main transmission rotating shaft using motor or rotating driving device of the present invention, rotating driving device
Tooth sector 26 and power gear 27, main transmission rotating shaft under tooth sector 25, turning-bar 24, turning-bar on gear 23, turning-bar
Gear 23 is fixed on the rear end of main transmission rotating shaft 19, and main transmission shaft gear 23 is meshed with tooth sector on turning-bar 25,
The upper and lower ends of turning-bar 24 are respectively fixed with turning-bar tooth sector 26, lower turn of turning-bar under tooth sector 25 and turning-bar
It is meshed with power gear 27 to gear 26, the connection power motor 28 of power gear 27, power motor 28 is arranged on handle intracavity,
The output shaft of power motor 28 forms worm-drive by tooth sector 26 under power gear 27 and turning-bar and turning-bar 24, turns
Worm-drive is formed with main transmission rotating shaft 19 by tooth sector 25 on turning-bar and main transmission shaft gear 23 to bar 24.
The inwall of drill bit 1 is provided with pricker cabin 10, and in the present embodiment, pricker cabin 10 has eight, in each pricker cabin 10
Be provided with a pricker 8, pricker 8 is made using elastomeric material, the outer surface of drill bit 1 be provided with eight it is corresponding with pricker 8
Pricker hole 7, the rear end connection propulsion plant of pricker 8.
Propulsion plant include pricker pushing ram 11, pricker pushing ring 13, lance actuation side pole 14, lance actuation stock 18,
Lance actuation cross bar 20, lance actuation montant 21 and lance actuation mobile jib 22, after the front end connection pricker 8 of pricker pushing ram 11
End, the diameter of pricker pushing ram 11 allows pricker pushing ram 11 to enter pricker cabin 10 by pricker 8 less than the internal diameter in pricker cabin 10
Pricker hole 7 is released, the rear end of pricker pushing ram 11 is connected with the front end of pricker pushing ring 13, and pricker pushing ring 13 is provided with 8
Pricker pushing ring fixing groove 12, for fixed lancet pushing ram 11, the center of pricker pushing ring 13 is additionally provided with circular hole, so as to thin biography
Dynamic rotating shaft 16 passes through, and the rear end of pricker pushing ring 13 connects the front end of lance actuation side pole 14, and lance actuation side pole 14 has two,
It is connected with pricker pushing ring 13 respectively, in the presence of lance actuation side pole 14, pricker pushing ring 13 equably promotes pricker to push away
Enter bar 11 and pricker 8, so as to pricker 8 is released into pricker hole 7；The rear end of lance actuation stock 14 connects lance actuation stock 18
Front end, in the present embodiment, lance actuation stock 18 has two, and two root thorn pins rotate stock 18 and are arranged above and below, respectively with pricker
Transmission side pole 14 is connected, and anti-unstability reinforcing ring 17 is arranged with lance actuation stock 18, in the present embodiment, anti-unstability reinforcing ring
17 have three, and anti-unstability reinforcing ring 17 is provided with two circular holes and a centre bore, and centre bore is located at anti-unstability reinforcing ring 17
Center, through the centre bore of anti-unstability reinforcing ring 17, two lance actuation stocks 18 are respectively from anti-mistake for main transmission rotating shaft 19
Pass through in circular hole on steady reinforcing ring 17, wherein, positioned at the anti-unstability reinforcing ring 17-1 connection lance actuations side pole 14 of the leftmost side
With lance actuation stock 18, the anti-unstability reinforcing ring 17-3 connection lance actuations stock 18 and lance actuation steering positioned at the rightmost side
The front end of cross bar 20, lance actuation stock 18 is passed through from middle anti-unstability reinforcing ring 17-2, and anti-unstability reinforcing ring 17 is used for
Support, stablize main transmission rotating shaft 19 and lance actuation stock 18, prevent rod member bending deformation and affect the normal work of drill bit 1,
Two lance actuation stocks 18 are arranged above and below, and are fixedly connected with three anti-unstability reinforcing rings 17, for driving lance actuation side pole
14 motions, so as to control the turnover of pricker 8.Lance actuation turns to the upper end of montant 21 and lance actuation turns to the rear end of cross bar 20
It is connected, lower end is connected with lance actuation mobile jib 22, and lance actuation mobile jib 22 is also connected with pricker push button 5.
Handle dislocation montant 3 is transmission direction conversion equipment, for reducing the position of handle 4, prevents handle 4 from blocking and regards
Line.Handle dislocation montant 3 includes the shell for being provided with cavity and the lance actuation steering cross bar 20, lance actuation being arranged in cavity
The and of tooth sector 26 under tooth sector 25, turning-bar on steering montant 21, main transmission shaft gear 23, turning-bar 24, turning-bar
Power gear 27.Handle 4 includes the shell for being provided with cavity and the power motor 28 being arranged in cavity and lance actuation mobile jib 22,
Battery flat 31 is additionally provided with handle cavity, pricker push button 5 and drill bit shift knob 6, pricker push button 5 and thorn are provided with handle 4
Pin transmission mobile jib 22 is connected, and for controlling the turnover of pricker 8, drill bit shift knob 6 is connected with power motor 28, for controlling dress
The switch put.
The present invention when in use, carries out disinfection first to drill bit 1, then holds handle 4, will probe into bar 2 and sends in auditory meatus,
Drill bit shift knob 6 is pressed, motor 28 is started, drive power gear 27 to rotate, power gear 27 drives successively lower turn of turning-bar
Tooth sector 25, main transmission shaft gear 23, main transmission rotating shaft 19, thin drive shaft on gear 26, turning-bar 24, turning-bar
16 and drill bit be driven three rotating disks 15 and rotate, make in drill bit 1 pierces and earwax, drill bit shift knob 6 to be pressed again, motor 28 stops
Work, drill bit 1 stops the rotation；Pricker push button 5, lance actuation mobile jib 22 is promoted to drive lance actuation to turn to montant 21, pricker and pass
Dynamic cross bar 20, lance actuation stock 18 and the pricker pushing ring 13 of turning to is moved forward successively, so as to by pricker 8 from pricker hole 7
Release, the piercing of pricker 8 will probe into bar 2 and pull out auditory meatus in earwaxing, pricker push button 5 is promoted backward, in the income pricker of pricker 8 cabin 10,
And will earwax and remove, rifle of earwaxing is cleaned and is sterilized.
The present invention will be earwaxed by pricker 8 and be clenched and pulled out auditory meatus by dry cell power supply, and will not auditory meatus be caused with wound
Evil；Meanwhile, the present invention has small volume, lightweight, and each part, button positions are reasonable, be easy to operation, and gripping is comfortable, and form is closed
Reason, the unobstructed advantage of sight line.
Claims (8)
1. a kind of rifle of earwaxing with drill bit, it is characterised in that：Including drill bit, probe into bar, driving means and propulsion plant, drill bit with
Probe into bar and rotate connection, the inside for probeing into bar is provided with main transmission rotating shaft, and main transmission rotating shaft is connected with drill bit, main transmission rotating shaft is being driven
Drill bit is driven to rotate in the presence of dynamic device, the drill bit is provided with hole, pricker, work of the pricker in propulsion plant are provided with drill bit
Bit face or it is accommodated in drill bit with lower protrusion by hole；The outer surface of the drill bit is furnished with screw thread, and cavity is provided with drill bit,
Drill bit is provided with cavity and is driven three rotating disks and thin drive shaft, drill bit is driven three rotating disks and is fixedly connected with drill bit wall, and
Drill bit is driven three rotating disks and is connected with the front end of thin drive shaft, and the rear end of thin drive shaft is driven by main transmission rotating shaft connection
Device.
2. a kind of rifle of earwaxing with drill bit as claimed in claim 1, it is characterised in that：The afterbody of the drill bit is provided with connection card
Ring, the front end for probeing into bar is provided with the annular groove corresponding with Joining clasp, and drill bit passes through Joining clasp and snap ring with bar is probeed into
Groove rotates connection.
3. a kind of rifle of earwaxing with drill bit as claimed in claim 1 or 2, it is characterised in that：The driving means adopt motor
Or rotating driving device, rotating driving device includes main transmission shaft gear, tooth sector, turning-bar, turning-bar on turning-bar
Lower tooth sector and power gear, the main transmission shaft gear is fixed on the rear end of main transmission rotating shaft, and main transmission rotating shaft tooth
Wheel is meshed with tooth sector on turning-bar, and the upper and lower ends of turning-bar are respectively fixed with tooth sector and turning-bar on turning-bar
Lower tooth sector, tooth sector is meshed with power gear under turning-bar, power gear connection power motor, power motor it is defeated
Shaft forms worm-drive by tooth sector under power gear and turning-bar and turning-bar, and turning-bar on turning-bar by turning to
Gear and main transmission shaft gear form worm-drive with main transmission rotating shaft.
4. a kind of rifle of earwaxing with drill bit as claimed in claim 1, it is characterised in that：The pricker is made up of elastomeric material,
Drill bit inwall is provided with pricker cabin, and a pricker is provided with each pricker cabin, is provided with and pricker in the outer surface of drill bit
Corresponding pricker hole, the rear end connection propulsion plant of pricker.
5. a kind of rifle of earwaxing with drill bit as claimed in claim 4, it is characterised in that：The propulsion plant is advanced including pricker
Bar, pricker pushing ring, lance actuation side pole, lance actuation stock, lance actuation turn to cross bar, lance actuation and turn to montant and thorn
Pin is driven mobile jib, and the front end of the pricker pushing ram connects the rear end of pricker, and the diameter of pricker pushing ram is interior less than pricker cabin
Footpath, the rear end of pricker pushing ram is connected with pricker pushing ring, and several pricker pushing ram fixing grooves are provided with pricker pushing ring；
The center of pricker pushing ring is additionally provided with circular hole, and thin drive shaft is passed through from circular hole；The rear end connection thorn of the pricker pushing ring
Pin is driven the front end of side pole, and the rear end of lance actuation side pole connects lance actuation and turns to before cross bar by lance actuation stock
End, the lance actuation stock is located at and probes in the cavity of bar, and the lance actuation turns to the rear end connection lance actuation of cross bar
Turn to montant upper end, lance actuation turn to montant lower end be connected with lance actuation mobile jib, lance actuation mobile jib also with pricker
Push button is connected.
6. a kind of rifle of earwaxing with drill bit as claimed in claim 5, it is characterised in that：It is arranged with the lance actuation stock
Anti- unstability reinforcing ring, anti-unstability reinforcing ring is provided with circular hole and centre bore, and centre bore is located at the center of anti-unstability reinforcing ring,
Main transmission rotating shaft passes through the centre bore of anti-unstability reinforcing ring, lance actuation stock to wear in the centre bore from anti-unstability reinforcing ring
Cross, the anti-unstability reinforcing ring there are three, positioned at the anti-unstability reinforcing ring connection lance actuation side pole and lance actuation of the leftmost side
Stock, the anti-unstability reinforcing ring connection lance actuation stock and lance actuation positioned at the rightmost side turns to cross bar, lance actuation stock
Pass through from the anti-unstability reinforcing ring positioned at centre.
7. a kind of rifle of earwaxing with drill bit as described in claim 5 or 6, it is characterised in that：The lance actuation side pole has two
Root, is connected respectively with pricker pushing ring；The lance actuation stock has two, and two lance actuation stocks are arranged above and below, respectively
It is connected with lance actuation side pole by anti-unstability reinforcing ring.
8. a kind of rifle of earwaxing with drill bit as claimed in claim 7, it is characterised in that：Also include being provided with the handle dislocation of cavity
Montant and handle, the upper end of the handle dislocation montant is fixedly connected with bar is probeed into, and lower end is fixedly connected with handle, the pricker
Transmission turning cross bar, lance actuation turn to montant, main transmission shaft gear, turning-bar, tooth sector on turning-bar, turning-bar,
Tooth sector, power gear and lance actuation mobile jib are arranged in the cavity of handle dislocation montant under turning-bar, the power
Motor and lance actuation mobile jib are arranged in the cavity of handle, and battery flat is additionally provided with handle cavity, are arranged on the handle
There are pricker push button and drill bit shift knob, pricker push button is connected with lance actuation mobile jib, drill bit shift knob and power motor phase
Even.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510837368.8A CN105266958B (en) | 2015-11-26 | 2015-11-26 | Cerumen gun with drill bit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510837368.8A CN105266958B (en) | 2015-11-26 | 2015-11-26 | Cerumen gun with drill bit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105266958A CN105266958A (en) | 2016-01-27 |
| CN105266958B true CN105266958B (en) | 2017-05-17 |
Family
ID=55137379
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510837368.8A Expired - Fee Related CN105266958B (en) | 2015-11-26 | 2015-11-26 | Cerumen gun with drill bit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105266958B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108420601B (en) * | 2018-03-12 | 2020-05-15 | 青岛大学附属医院 | Press telescopic ear ware of drawing |
| US20220062054A1 (en) * | 2020-08-25 | 2022-03-03 | Guy Francis Merz | Ears Disimpactor |
| CN113180914A (en) * | 2021-04-28 | 2021-07-30 | 河南科技大学第一附属医院 | Cerumen embolism softening and removing device |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6187021B1 (en) * | 1999-12-23 | 2001-02-13 | Becker Wim | Ear cleaning portable rotary device |
| CN202044293U (en) * | 2011-04-25 | 2011-11-23 | 刘淑红 | Tumour puncture sampling needle |
| CN202342088U (en) * | 2011-11-25 | 2012-07-25 | 陈蔚峰 | Sampler for tumor biopsy |
| CN202554206U (en) * | 2012-05-30 | 2012-11-28 | 丁书贵 | Hooking device of foreign matters in uterine cavity |
| CN203075016U (en) * | 2013-03-14 | 2013-07-24 | 严奎星 | Electric safety earpick |
| CN205144863U (en) * | 2015-11-26 | 2016-04-13 | 河南大学 | Take rifle of earwaxing of drill bit |
-
2015
- 2015-11-26 CN CN201510837368.8A patent/CN105266958B/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN105266958A (en) | 2016-01-27 |
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Granted publication date: 20170517 Termination date: 20181126 |
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