CN110882072A - Minimally invasive tooth extractor - Google Patents
Minimally invasive tooth extractor Download PDFInfo
- Publication number
- CN110882072A CN110882072A CN201911157316.0A CN201911157316A CN110882072A CN 110882072 A CN110882072 A CN 110882072A CN 201911157316 A CN201911157316 A CN 201911157316A CN 110882072 A CN110882072 A CN 110882072A
- Authority
- CN
- China
- Prior art keywords
- tooth
- screw needle
- gear
- tapping
- tooth extraction
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
- A61C3/00—Dental tools or instruments
- A61C3/14—Dentists' forceps or the like for extracting teeth
Landscapes
- Health & Medical Sciences (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Dentistry (AREA)
- Epidemiology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Dental Tools And Instruments Or Auxiliary Dental Instruments (AREA)
Abstract
The invention discloses a minimally invasive tooth extractor, which comprises a tapping component, a tooth extracting component, a tapping operation knob and a tooth extracting operation knob, wherein the tapping component and the tooth extracting component are arranged on the basis of a holding handle, and the tapping operation knob and the tooth extracting operation knob are arranged on the basis of a holding handle, wherein: the holding handle comprises a working part at the front end of the holding part and a machine control part at the rear end of the holding part; the tapping component comprises a tapping screw needle, the upper part of the tapping screw needle is clamped in a screw needle chuck, the screw needle chuck is arranged in a chuck hole formed in the operation part, a tapping operation knob is arranged at the rear end of the machine control part and drives the tapping screw needle to synchronously rotate through a gear transmission mechanism I arranged in the handle body; the tooth extraction component comprises a tooth extraction sleeve which is sleeved on the operation part and can be lifted and lowered, tooth extraction operation knobs are coaxially arranged on the left side and the right side of the machine control part, and the tooth extraction operation knobs drive the tooth extraction sleeve to move up and down through a gear transmission mechanism II arranged in the handle body. The invention has fine and convenient operation and even lifting force during tooth extraction, can effectively prevent the conventional gum from tearing and alveolar bone from being broken, does not need other auxiliary tools, and can be operated by a single person.
Description
Technical Field
The invention relates to a dental treatment appliance, in particular to a minimally invasive tooth extractor.
Background
The conventional tooth extraction mode is for using the dental elevator and the chisel of the Emei to increase the clearance and extract the tooth operation, and the inevitable means that increases the clearance of using the hammering, and the hammering increases the clearance and is the leading cause that causes the patient to be unwell, uses traditional dental elevator to extract the tooth in addition through using lever power, wheel shaft power and wedge force, and the lever power of mainly using often can cause the condition emergence that the gum is torn, alveolar bone is broken.
The minimally invasive tooth-extracting knife is a kind of instrument between a tappet and a chisel, has different cutting edge widths and angles, can be used for breaking off peridental membranes and cutting alveolar bones, slightly expands the bone walls of alveolar sockets, reduces tissue wounds, can be used for extracting single tooth, has no advantages for extracting difficult multiple teeth, and has complex operation and higher cost.
Disclosure of Invention
Aiming at the defects of the prior art, the invention aims to provide a minimally invasive tooth extractor which can effectively prevent the conventional gum from tearing and alveolar bone from being broken.
The minimally invasive tooth extractor capable of solving the technical problems comprises a tapping component and a tooth extracting component which are arranged based on a holding handle, and a tapping operation knob and a tooth extracting operation knob, wherein:
1. the holding handle comprises a working part at the front end of the hand-held part and a machine control part at the rear end of the hand-held part.
2. The tapping component comprises a tapping screw needle, the upper part of the tapping screw needle is clamped in a screw needle chuck, the screw needle chuck is arranged in a chuck hole formed in the operation part, a tapping operation knob is arranged at the rear end of the machine control part, and the tapping operation knob drives the screw needle chuck and the tapping screw needle to synchronously rotate through a gear transmission mechanism I arranged in the handle body.
3. The tooth extraction component comprises a tooth extraction sleeve which is sleeved on the operation part and can move up and down, the tooth extraction operation knob is coaxially arranged on the left side and the right side of the machine control part, and the tooth extraction operation knob drives the tooth extraction sleeve to ascend and descend through a gear transmission mechanism II arranged in the handle body.
A structure of gear drive mechanism II includes worm gear drive pair, reverse gear drive pair and lifting gear drive pair, worm coaxial arrangement of worm gear drive pair is on left and right tooth operation knob of drawing out, and the vice worm wheel of worm gear drive and the vice reverse gear coaxial arrangement of reverse gear drive, I coaxial arrangement of face gear of reverse gear drive pair in the rear end of driving shaft pipe and with the meshing of reverse gear, lifting gear drive pair includes lifting gear and left and right lifting rack, the coaxial front end of locating the driving shaft pipe of lifting gear, left and right lifting rack set up on drawing out left and right boss of facing sleeve rear end open-ended, and left and right boss is located in the left and right recess of offering in the operation portion, and lifting gear is in the left and right lifting rack of operation portion.
Further, a structure of gear drive mechanism I is including the coaxial transmission shaft of locating in the transmission shaft pipe, the rear end tube hole and the machine of transmission shaft pipe are worn out to the rear end of transmission shaft pipe and control the portion and attack tooth operation knob coaxial coupling, and the front end tube hole and the tooth hole of lift gear and II coaxial couplings of face gear of transmission shaft are worn out to the front end of transmission shaft pipe, face gear II is coaxial circumference gear on operation portion inner gearing screw needle chuck.
Furthermore, the top of the machine control part is provided with a lifting dial which is coaxially arranged with the worm wheel in the handle body.
In an optimized scheme, the clamping position of the tooth extraction screw needle and the screw needle chuck is a cylindrical handle and a cylindrical hole which are matched with each other in a flat position, the cylindrical handle of the tooth extraction screw needle is provided with axially spaced limiting clamping grooves, the top surface of the operation part is provided with a clamping plate capable of elastically returning backwards, the clamping plate is provided with a screw needle bayonet and a screw needle penetrating hole which are communicated forwards and backwards, the screw needle bayonet is clamped in a corresponding clamping groove on the tooth extraction screw needle cylindrical handle at the returning position, the screw needle position is changed forwards through the clamping plate, and the screw needle penetrating hole of the clamping plate is aligned with the cylindrical handle of the tooth extraction screw needle.
The invention has the beneficial effects that:
the minimally invasive tooth extractor controls the operation of the tapping component and the tooth extracting component by mechanical transmission, is exquisite and convenient to operate, has uniform lifting force when extracting teeth, can effectively prevent the defects of conventional gum tearing and alveolar bone fracture, does not need other auxiliary tools, and can be operated by a single person.
Drawings
Fig. 1 is an exploded view of one embodiment of the present invention.
Fig. 2 is a front view of the embodiment of fig. 1.
Fig. 3 is a top view of fig. 2.
Fig. 4(a) is a left side view of fig. 2.
Fig. 4(b) is a right side view of fig. 2.
Fig. 5 is a plan view of the grip handle in the embodiment of fig. 1, 2, and 3.
Fig. 6 is a schematic structural diagram of the gear transmission mechanism ii in the embodiment of fig. 1, 2 and 3.
Fig. 7 is a top view of fig. 6.
Fig. 8 is a schematic structural diagram of the gear transmission mechanism i in fig. 1, 2 and 3.
Fig. 9 is a top view of fig. 8.
Fig. 10 is a schematic view of the installation and adjustment of the screw needle in the embodiment of fig. 1, 2 and 3.
And (3) identifying the figure number: 1. a grip handle; 1-1, a handheld part; 1-2, an operation part; 1-3, a machine control part; 2. a tapping component; 2-1, extracting a tooth screw needle; 2-1-1, a limit clamping groove; 2-2, a screw needle chuck; 3. a tooth extraction component; 3-1, extracting the tooth sleeve; 4. a tapping operation knob; 5. a tooth extraction operation knob; 6. a worm; 7. a worm gear; 8. a reversing gear; 9. a face gear I; 10. a driveshaft tube; 11. a lifting gear; 12. a lifting rack; 13. a face gear II; 14. a circumferential gear; 15. a drive shaft; 16. clamping a plate; 16-1, screwing needle bayonet; 16-2, perforating a screw needle; 17. a lifting dial; 18. and (7) pushing the block.
Detailed Description
The technical solution of the present invention will be further explained with reference to the embodiments shown in the drawings.
The minimally invasive tooth extractor comprises a tapping component 2 and a tooth extracting component 3 which are arranged at the front end of a holding handle 1, and a tapping operation knob 4 and a tooth extracting operation knob 5 which respectively control the operation of the tapping component 2 and the tooth extracting component 3 are arranged at the rear end of the holding handle 1, as shown in fig. 1, 2, 3, 4(a) and 4 (b).
The holding handle 1 comprises an operation part 1-2 at the front end of a tubular handheld part 1-1 and a machine control part 1-3 at the rear end of the handheld part 1-1, wherein the operation part 1-2 is a flat cuboid, the front end of the flat cuboid is a round body, the machine control part 1-3 is a long body, the upper part of the long body is a square body, the lower part of the long body is a semicircular body, and the center of the semicircular body is aligned with the center of a pipe hole of the handheld part 1-1, as shown in fig. 1, 2, 3, 4(a) and 4 (b).
The tapping part 2 comprises a tapping screw needle 2-1 and a screw needle chuck 2-2, the screw needle chuck 2-2 is rotatably arranged in a chuck hole formed in the operation part 1-2, the center of the chuck hole is concentric with the front end circle of the operation part 1-2, the center hole of the screw needle chuck 2-2 is a cylindrical hole with a flat position, the tapping screw needle 2-1 comprises a cylindrical handle with a flat position at the upper part and a screw needle body at the lower part, a plurality of limiting clamping grooves 2-1-1 are axially and upwardly and downwardly arranged on the cylindrical handle of the tapping screw needle 2-1, the cylindrical handle of the tapping screw needle 2-1 is clamped in the chuck hole of the operation part 1-2, and a certain limiting clamping groove 2-1-1 on the cylindrical handle is exposed out of the top of the operation part 1-2; the top of the operation part 1-2 is provided with a clamping plate 16 which is arranged through a return spring and can move forwards and backwards, the front part of the clamping plate 16 is provided with a screw needle bayonet 16-1 and a screw needle through hole 16-2 which are communicated forwards and backwards, the rear part of the clamping plate 16 is provided with a push block 18, the clamping plate 16 is pushed forwards through the push block 18, when the clamping plate 16 overcomes the spring force and is pushed forwards to a proper position, the position of the screw needle through hole 16-2 is opposite to the cylindrical hole of the screw needle chuck 2-2, the cylindrical handle of the tooth extraction screw needle 2-1 can be arranged in the screw needle through hole 16-2 at the moment, when the pushing block 18 is released and the clamping plate 16 returns backwards, the screw needle bayonet 16-1 is clamped with the corresponding limiting bayonet 2-1-1 on the cylindrical handle of the tooth extraction screw needle 2-1 to limit the tooth extraction screw needle 2-1 axially, as shown in figures 8 and 10.
The tooth extracting component 3 comprises a tooth extracting sleeve 3-1 sleeved on the operation part 1-2, bosses which are arched inwards are arranged at the left end opening and the right end opening at the rear end of the tooth extracting sleeve 3-1, the left boss and the right boss are clamped and embedded in left grooves and right grooves which are arranged on the left side surface and the right side surface of the operation part 1-2, vertical guide flanges on the rear end surfaces of the left boss and the right boss are matched with vertical guide chutes on the front end surfaces of the left groove and the right groove, and the tooth extracting sleeve 3-1 can move up and down on the operation part 1-2 along vertical guide, as shown in figures 1, 2, 3, 6 and 7.
The tapping operation knob 4 is arranged at the rear end of the machine control part 1-3, and the tapping operation knob 4 drives the screw needle chuck 2-2 and the tooth extraction screw needle 2-1 to synchronously rotate through a gear transmission mechanism I arranged in the handle body (the hand-held part 1-1, the operation part 1-2 and the machine control part 1-3); the tooth extraction operation knob 5 is coaxially arranged at the left side and the right side of the machine control part 1-3, and the tooth extraction operation knob 5 drives the tooth extraction sleeve 3-1 to move up and down and lift up and down through a gear transmission mechanism II arranged in the handle body (the hand-held part 1-1, the operation part 1-2 and the machine control part 1-3) as shown in fig. 1, fig. 2, fig. 3, fig. 4(a) and fig. 4 (b).
The gear transmission mechanism II comprises a worm gear transmission pair, a reversing gear transmission pair and a lifting gear transmission pair: the worm gear and worm transmission pair comprises a worm wheel 7 and a worm 6 which are internally meshed with the upper part of the machine control part 1-3, the worm 6 is transversely arranged on the left and right sides, the left and right ends of the worm 6 respectively pass through the left and right sides of the machine control part 1-3 and are respectively connected with the left and right tooth extraction operation knobs 5 in an installing manner, and the top part of the machine control part 1-3 is provided with a lifting dial 17 which is coaxially arranged with the internal worm wheel 7; the reversing gear transmission pair comprises a reversing gear 8 and an end face gear I9 which are arranged at the upper and lower parts in the machine control part 1-3 and are meshed with each other, and a transmission shaft tube 10 arranged in the tube body of the handheld part 1-1, wherein the reversing gear 8 is coaxially arranged at the bottom of a worm wheel 7, the end face gear I9 is coaxially arranged at the rear end of the transmission shaft tube 10, and the front end of the transmission shaft tube 10 extends out of the handheld part 1-1 and is positioned in the operation part 1-2; the lifting gear transmission pair comprises a lifting gear 11 engaged between a left lifting rack 12 and a right lifting rack 12, the lifting gear 11 (provided with coaxial tooth holes) is coaxially mounted at the front end of the transmission shaft tube 10, and the left lifting rack 12 and the right lifting rack 12 are respectively arranged on the inner side surfaces of a left boss and a right boss of the tooth extracting sleeve 3-1, as shown in fig. 1, 6 and 7.
The gear transmission mechanism I comprises a transmission shaft 15, an end face gear II 13 and a circumferential gear 14, the transmission shaft 15 is coaxially arranged in a transmission shaft tube 10, the rear end of the transmission shaft 15 is coaxially arranged with a tapping operation knob 4 through a rear end tube hole of the transmission shaft tube 10 and a machine control part 1-3, the front end of the transmission shaft 15 enters an operation part 1-2 through a front end tube hole of the transmission shaft tube 10 and a tooth hole of a lifting gear 11, the end face gear II 13 is arranged at the front end of the transmission shaft 15 inside the operation part 1-2, and the circumferential gear 14 is coaxially arranged on a screw needle chuck 2-2 and meshed with the end face gear II 13, as shown in figures 1, 8, 9 and 10.
The use mode of the invention is as follows:
1. selecting a tooth extraction screw needle 2-1 meeting the use requirement according to the tooth extraction requirement.
2. The tooth extraction operation knob 5 is rotated to lift the tooth extraction sleeve 3-1 to expose the bottom of the operation part 1-2.
3. The tooth extraction screw needle 2-1 is arranged in the screw needle chuck 2-2, and the length of the lower end screw needle body of the tooth extraction screw needle 2-1 exposed at the bottom of the operation part 1-2 is limited by the clamping plate 16.
4. The hand-held part 1-1 is held by one hand to insert the working part 1-2 into the mouth of the patient and align the patient's teeth to be extracted (a bottom hole is drilled in the center of the patient's teeth in advance).
5. The lower end of the tooth extracting screw needle 2-1 is arranged in the bottom hole of the sick tooth, and the tapping operation knob 4 is rotated by the other hand to gradually tap the screw needle body into the bottom hole of the sick tooth in place.
6. The tooth extraction operating knob 5 is rotated to descend the tooth extraction sleeve 3-1 to abut against the good teeth beside the sick teeth, the hand-held part 1-1 is pressed tightly, the tooth extraction sleeve 3-1 is descended continuously to ascend the operation part 1-2, and the ascended operation part 1-2 drives the tooth extraction screw needle 2-1 to extract the sick teeth.
Claims (5)
1. Minimally invasive tooth extractor, including based on holding tooth part (2) and tooth part (3) and tapping operation knob (4) and tooth operation knob (5) that handle (1) set up, wherein:
the holding handle (1) comprises a working part (1-2) at the front end of the handheld part (1-1) and a machine control part (1-3) at the rear end of the handheld part (1-1);
the tapping component (2) comprises a tapping screw needle (2-1), the upper part of the tapping screw needle (2-1) is clamped in a screw needle chuck (2-2), the screw needle chuck (2-2) is rotatably arranged in a chuck hole formed in the operating part (1-2), a tapping operation knob (4) is arranged at the rear end of the machine control part (1-3), and the tapping operation knob (4) drives the screw needle chuck (2-2) and the tapping screw needle (2-1) to synchronously rotate through a gear transmission mechanism I arranged in the handle body;
the tooth extraction component (3) comprises a tooth extraction sleeve (3-1) which is sleeved on the operation part (1-2) and can move up and down, the tooth extraction operation knob (5) is coaxially arranged on the left side and the right side of the machine control part (1-3), and the tooth extraction operation knob (5) drives the tooth extraction sleeve (3-1) to ascend and descend through a gear transmission mechanism II arranged in the handle body.
2. The minimally invasive dental extractor of claim 1, wherein: the gear transmission mechanism II comprises a worm gear and worm transmission pair, a reversing gear transmission pair and a lifting gear transmission pair, a worm (6) of the worm gear and worm transmission pair is coaxially arranged on the left tooth extraction operation knob and the right tooth extraction operation knob (5), a worm wheel (7) of the worm gear and worm transmission pair is coaxially arranged with a reversing gear (8) of the reversing gear transmission pair, an end face gear I (9) of the reversing gear transmission pair is coaxially arranged at the rear end of a transmission shaft tube (10) and meshed with the reversing gear (8), the lifting gear transmission pair comprises a lifting gear (11) and a left lifting rack and a right lifting rack (12), the lifting gear (11) is coaxially arranged at the front end of the transmission shaft tube (10), the left lifting rack and the right lifting rack (12) are arranged on a left boss and a right boss which are opened at the rear end of the tooth extraction sleeve (3-1), and the left boss and right boss are arranged on a left boss which is arranged on the operation, In the right groove, a lifting gear (11) is meshed with a left lifting rack (12) and a right lifting rack (12) in the operation part (1-2).
3. The minimally invasive dental extractor according to claim 2, wherein: the gear transmission mechanism I comprises a transmission shaft (15) coaxially arranged in a transmission shaft tube (10), the rear end of the transmission shaft (15) penetrates out of a rear end tube hole of the transmission shaft tube (10) and a machine control part (1-3) and is coaxially connected with a tapping operation knob (4), the front end of the transmission shaft (15) penetrates out of a front end tube hole of the transmission shaft tube (10) and a tooth hole of a lifting gear (11) and is coaxially connected with an end face gear II (13), and the end face gear II (13) is coaxially connected with a circumferential gear (14) on an inner meshing screw needle chuck (2-2) in an operation part (1-2).
4. The minimally invasive dental extractor according to claim 2, wherein: the top of the machine control part (1-3) is provided with a lifting dial (17) which is coaxially arranged with the worm wheel (7) in the handle body.
5. The minimally invasive dental extractor according to any one of claims 1 to 4, wherein: the clamping part of the tooth extraction screw needle (2-1) and the screw needle chuck (2-2) is a cylindrical handle and a cylindrical hole which are matched with each other with flat positions, the cylindrical handle of the tooth extraction screw needle (2-1) is provided with axially spaced limiting clamping grooves (2-1-1), the top surface of the operation part (1-2) is provided with a clamping plate (16) which elastically returns backwards, the clamping plate (16) is provided with a screw needle bayonet (16-1) and a screw needle through hole (16-2) which are communicated with each other in the front and back directions, and at the return position, the screw needle bayonet (16-1) is buckled with a corresponding clamping groove (2-1-1) on a cylindrical handle of the tooth extraction screw needle (2-1), a screw needle position is changed in the forward direction of the clamping plate (16), and a screw needle penetrating hole (16-2) of the clamping plate (16) is aligned with the cylindrical handle of the tooth extraction screw needle (2-1).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201911157316.0A CN110882072B (en) | 2019-11-22 | 2019-11-22 | Minimally invasive tooth extractor |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201911157316.0A CN110882072B (en) | 2019-11-22 | 2019-11-22 | Minimally invasive tooth extractor |
Publications (2)
Publication Number | Publication Date |
---|---|
CN110882072A true CN110882072A (en) | 2020-03-17 |
CN110882072B CN110882072B (en) | 2024-07-30 |
Family
ID=69748495
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201911157316.0A Active CN110882072B (en) | 2019-11-22 | 2019-11-22 | Minimally invasive tooth extractor |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN110882072B (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112043420A (en) * | 2020-09-17 | 2020-12-08 | 四川大学 | A tooth extraction system tool |
CN112190351A (en) * | 2020-09-17 | 2021-01-08 | 四川大学 | Fixing device for tooth extraction |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20130049514A (en) * | 2011-11-04 | 2013-05-14 | 박병활 | Elevator with bevel gear for tooth extraction |
CN206491876U (en) * | 2016-11-15 | 2017-09-15 | 北京大学深圳医院 | A kind of minimally invasive dental device |
CN206761777U (en) * | 2016-11-07 | 2017-12-19 | 陈溯 | Minimally invasive turnkey |
CN209629864U (en) * | 2018-06-22 | 2019-11-15 | 熊贵发 | A kind of auxiliary dental device for the department of stomatology |
CN211325728U (en) * | 2019-11-22 | 2020-08-25 | 桂林懿可仕医疗器械有限公司 | Minimally invasive tooth extractor |
-
2019
- 2019-11-22 CN CN201911157316.0A patent/CN110882072B/en active Active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20130049514A (en) * | 2011-11-04 | 2013-05-14 | 박병활 | Elevator with bevel gear for tooth extraction |
CN206761777U (en) * | 2016-11-07 | 2017-12-19 | 陈溯 | Minimally invasive turnkey |
CN206491876U (en) * | 2016-11-15 | 2017-09-15 | 北京大学深圳医院 | A kind of minimally invasive dental device |
CN209629864U (en) * | 2018-06-22 | 2019-11-15 | 熊贵发 | A kind of auxiliary dental device for the department of stomatology |
CN211325728U (en) * | 2019-11-22 | 2020-08-25 | 桂林懿可仕医疗器械有限公司 | Minimally invasive tooth extractor |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112043420A (en) * | 2020-09-17 | 2020-12-08 | 四川大学 | A tooth extraction system tool |
CN112190351A (en) * | 2020-09-17 | 2021-01-08 | 四川大学 | Fixing device for tooth extraction |
Also Published As
Publication number | Publication date |
---|---|
CN110882072B (en) | 2024-07-30 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN110882072A (en) | Minimally invasive tooth extractor | |
JP6034302B2 (en) | Orthopedic impact applying electric motor driven instrument | |
EP1561432A1 (en) | Set of motorised instruments which are used to fix dental implants | |
EP2646201B1 (en) | Hammer mechanism | |
EP1689564B1 (en) | Twin chuck drill with one drive shaft | |
CN211325728U (en) | Minimally invasive tooth extractor | |
EP2491604A1 (en) | Hand-held tool, auxiliary measuring device for a hand-held tool and battery for hand-held tool | |
JP2015528380A5 (en) | ||
EP1391175A2 (en) | Medical or dental rod-shaped handpiece with a display | |
WO2014141241A1 (en) | Handpiece having a disposable head portion for rotary endodontic file | |
CN201414823Y (en) | Handle-type automatic skull drilling instrument | |
CN220713981U (en) | Lifting osteotome in maxillary sinus | |
CN209678621U (en) | percussion drill for surgery | |
US20120021377A1 (en) | Electric implant torque wrench | |
CN214966522U (en) | Novel rod breaking system | |
CN205459128U (en) | Machine bone drill drill bit suitable for promote art in upper jaw hole | |
CN211749869U (en) | Be applied to bone cutting device of medical treatment | |
US3369298A (en) | Dental hand-piece and tool therefor | |
KR100352422B1 (en) | A riveting electric tool | |
CN212816440U (en) | Mandibular condyle bone stripping clamp | |
EP2646198A1 (en) | Hammer percussion mechanism | |
EP2250972A1 (en) | Surgical apparatus, particularly of the dental type, for procedures for raising the maxillary sinus | |
CN220236845U (en) | Oral cavity tongue depressor convenient to it is fixed | |
CN219963122U (en) | Dental film nail driving and pulling device | |
KR20210017095A (en) | Manual Handpiece for manufacturing pressurized ceramic tooth |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
GR01 | Patent grant | ||
GR01 | Patent grant |