CN220124851U

CN220124851U - Oral implant extractor

Info

Publication number: CN220124851U
Application number: CN202223433995.XU
Authority: CN
Inventors: 李蒙
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-12-21
Filing date: 2022-12-21
Publication date: 2023-12-05
Anticipated expiration: 2032-12-21

Abstract

The utility model discloses an oral implant extractor, which comprises an implant body, an operating tube, and a limiting mechanism arranged on an installation rod and used for reinforcing limiting the implant body, wherein the limiting mechanism comprises an installation cavity arranged on the installation rod, a plurality of limiting cavities are arranged on the side wall of the installation cavity, the limiting cavities are connected with limiting rods in a sliding manner, one ends of the limiting rods, which are far away from each other, are provided with rubber protection pads, and one ends of the installation rods, which are close to the implant body, are provided with threaded rods. According to the utility model, through the arrangement of the limiting mechanism, under the driving action of the driving mechanism, each limiting rod is propped against the inner wall of the implant body, so that the limit of the operating tube on the implant body is enhanced, and under the action of the taking-out mechanism, the implant body is taken out from the oral cavity, and the failure of taking-out of the implant body due to insufficient biting force of the screwing-in tool on the implant body is avoided.

Description

Oral implant extractor

Technical Field

The utility model relates to the technical field of oral medical treatment, in particular to an oral implant extractor.

Background

After the implant is successful, the appearance is attractive, the occlusion function can be perfectly performed, and the implant is more and more popular. During daily use, the implant needs to be removed, for example, because the force of occlusion is too great, overload causes the implant to break, or the peri-implant mucositis stage progresses to the peri-implant osteo-tissue level.

When taking out the oral implant, doctors can use the oral implant through the cooperation of the screwing-in tool of the oral implant and the pliers or the tweezers, the oral implant is reversely rotated firstly, under the condition that the implanting doctors consider that the oral implant rotates out, the pliers and the tweezers are used for taking out the oral implant, in the process of reversely rotating the oral implant by using the screwing-in tool of the oral implant, as the oral implant exists in the alveolar bone of a patient for a long time, the oral implant is tightly combined with the alveolar bone, the screwing-in tool is adopted to drive the oral implant to reversely rotate, the biting force of the oral implant is lack due to the fact that the screwing-in tool is lack, the oral implant cannot be driven to reversely rotate, multiple attempts can possibly cause the damage of internal threads of the oral implant, and the difficulty of taking out the oral implant is increased.

There is therefore a need for an oral implant extractor that addresses the above-described problems.

Disclosure of Invention

The utility model aims to provide an oral implant extractor, which aims to solve the problem that the screwing tool provided in the background technology lacks the biting force on an oral implant and can not drive the oral implant to reverse.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the oral implant extractor comprises an implant body, an operating tube, a limiting mechanism and a connecting rod, wherein the implant body is provided with a first external thread and a first internal thread, the operating tube is fixedly connected with the mounting rod, and the limiting mechanism is arranged on the mounting rod and used for enhancing limiting of the implant body;

the utility model discloses a spacing mechanism, including seting up the installation cavity on the installation pole, a plurality of spacing chambeies have been seted up on the installation cavity lateral wall, each sliding connection has the gag lever post on the spacing chamber, each the one end that the gag lever post kept away from each other is equipped with the rubber protection pad, the one end that the installation pole is close to the planting body is equipped with the threaded rod, threaded rod and first internal thread mutually support and set up, be equipped with on the threaded rod and be used for carrying out driven actuating mechanism to each gag lever post.

The driving mechanism comprises a mounting groove formed in the threaded rod, the mounting groove is communicated with the mounting cavity, a cross plate is arranged on the mounting groove, a driving rod is connected to the cross plate in a sliding mode, a driving ball is arranged at one end of the driving rod, located inside the mounting groove, of the driving rod, an inclined surface is formed in one end, close to the driving ball, of the limiting rod, the driving ball slides on the inclined surface, a first spring is sleeved on the driving rod, and two ends of the first spring are connected with the cross plate and the driving ball respectively.

And a reset component which is convenient for resetting the limiting rod is arranged on each limiting cavity, the reset component comprises a fixed plate fixedly connected to the limiting rod, a second spring is sleeved on the limiting rod, and two ends of the second spring are respectively connected with the fixed plate and the side wall of the limiting cavity.

The limiting rods are distributed in an annular array.

Be equipped with on the operating tube and be used for taking out the mechanism of taking out of planting body, take out the mechanism including seting up the connecting hole that the installation pole is located the inside one end of operating tube, second internal thread has been seted up on the connecting hole, second internal thread is opposite with first internal thread spiral, it takes out the pole to insert on the operating tube, the one end that the pole is located the operating tube inside is equipped with the second external screw thread, second external screw thread and second internal screw thread mutually support and set up, the other end of taking out the pole is equipped with regular hexagon's pivoted plate.

A plurality of anti-skid grooves are formed in the side wall of the operation pipe.

Compared with the prior art, the utility model has the beneficial effects that:

according to the utility model, through the arrangement of the limiting mechanism, under the driving action of the driving mechanism, each limiting rod is propped against the inner wall of the implant body, so that the limit of the operating tube on the implant body is enhanced, and under the action of the taking-out mechanism, the implant body is taken out from the oral cavity, and the failure of taking-out of the implant body due to insufficient biting force of the screwing-in tool on the implant body is avoided.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic view of the internal structure of the take-out mechanism and the spacing mechanism of the present utility model;

fig. 3 is an enlarged view at a in fig. 2.

In the figure: 101. an implant body; 102. a first external thread; 103. a first internal thread; 104. an operating tube; 201. a mounting rod; 202. a threaded rod; 203. a connection hole; 204. a second internal thread; 205. taking out the rod; 206. a second external thread; 207. a rotating plate; 301. a mounting cavity; 302. a spacing cavity; 303. a limit rod; 401. a cross plate; 402. a driving rod; 403. a driving ball; 404. a first spring; 405. an inclined plane; 406. a mounting groove; 501. a fixing plate; 502. a second spring; 6. an anti-skid slot.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-3, the oral implant extractor provided by the utility model comprises an implant body 101 and an operation tube 104, wherein a first external thread 102 and a first internal thread 103 are arranged on the implant body 101, an installation rod 201 is fixedly connected on the operation tube 104, and a limiting mechanism which is arranged on the installation rod 201 and used for enhancing the limit of the implant body 101 is also included;

the stop gear is including seting up the installation cavity 301 on installation pole 201, a plurality of spacing chambeies 302 have been seted up on the installation cavity 301 lateral wall, sliding connection has gag lever post 303 on each spacing chambeies 302, each one end that gag lever post 303 kept away from each other is equipped with the rubber protection pad, the one end that installation pole 201 is close to implant body 101 is equipped with threaded rod 202, threaded rod 202 and first internal thread 103 mutually match and set up, be equipped with on the threaded rod 202 and be used for carrying out driven actuating mechanism to each gag lever post 303, through stop gear's setting, the spacing of operating tube 104 to implant body 101 has been strengthened, be convenient for take out implant body 101.

The driving mechanism comprises a mounting groove 406 formed in the threaded rod 202, the mounting groove 406 is communicated with the mounting cavity 301, a cross plate 401 is arranged on the mounting groove 406, a driving rod 402 is connected to the cross plate 401 in a sliding mode, a driving ball 403 is arranged at one end, located inside the mounting groove 406, of the driving rod 402, an inclined plane 405 is formed in one end, close to the driving ball 403, of the limiting rod 303, the driving ball 403 slides on the inclined plane 405, a first spring 404 is sleeved on the driving rod 402, two ends of the first spring 404 are respectively connected with the cross plate 401 and the driving ball 403, and when the threaded rod 202 is screwed into the first internal thread 103, the limiting rods 303 are pushed out of the limiting cavity 302 through the abutting of the driving rod 402 and the inner wall of the implant body 101, and the limiting rods are abutted against the inner wall of the implant body 101, so that limiting of the implant body 101 is achieved.

The reset components which are convenient for reset the limiting rods 303 are arranged on the limiting cavities 302, the reset components comprise fixing plates 501 fixedly connected to the limiting rods 303, second springs 502 are sleeved on the limiting rods 303, two ends of each second spring 502 are respectively connected with the fixing plates 501 and the side walls of the limiting cavities 302, and the reset components are arranged so that the limiting rods 303 can reset under the elastic force of the second springs 502 after the driving balls 403 are far away from the limiting rods 303.

Each limiting rod 303 is distributed in an annular array, so that the implant body 101 is uniformly stressed, and the limiting strength of the implant body 101 is improved.

Be equipped with on the operating tube 104 and be used for taking out the mechanism that takes out of implant body 101, take out the mechanism including seting up in the connecting hole 203 of the inside one end of installing pole 201 in operating tube 104, second internal thread 204 has been seted up on the connecting hole 203, second internal thread 204 is opposite with first internal thread 103 spiral, it has taken out pole 205 to insert on the operating tube 104, the one end that takes out pole 205 is located the inside of operating tube 104 is equipped with second external screw thread 206, second external screw thread 206 and second internal screw thread 204 mutually support and set up, the other end of taking out pole 205 is equipped with regular hexagon's pivoted plate 207, through the setting of taking out the mechanism, be convenient for take out implant body 101 from the oral cavity.

A plurality of anti-skid grooves 6 are formed on the side wall of the operation pipe 104, so that the operation pipe 104 can be rotated conveniently.

Working principle: when the implant body 101 needs to be taken out of the oral cavity, the threaded rod 202 at one end of the operation tube 104 is screwed onto the first internal thread 103 on the implant body 101, the driving rod 402 on the threaded rod 202 is driven to move close to the bottom of the first internal thread 103 under the action of thread engagement transmission, when the driving rod 402 is propped against the bottom of the first internal thread 103, the driving ball 403 on the driving rod 402 is driven to move close to each limiting rod 303 under the action of force, the limiting rods 303 are driven to move away from each other under the interaction force of the inclined planes 405, and the driving ball 403 continuously extrudes each limiting rod 303 along with the continuous rotation of the operation tube 104, so that each limiting rod 303 is propped against the inner wall of the implant body 101, and the limiting of the operation tube 104 on the implant body 101 is enhanced;

after the threaded rod 202 and the first internal thread 103 are screwed with each other, the second external thread 206 on the take-out rod 205 and the second internal thread 204 on the installation rod 201 are meshed with each other, after the take-out rod 205 and the installation rod 201 are connected with each other, the second internal thread 204 and the first internal thread 103 are opposite in rotation direction, the threaded rod 202 is driven to reversely rotate along with continuous rotation of the take-out rod 205, and the implant body 101 is driven to rotate under the limiting action of the limiting mechanism, so that the implant body 101 is taken out from an oral cavity, and the failure of taking out the implant body 101 due to insufficient gripping force of a screwing tool on the implant body 101 is avoided.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. An oral implant extractor comprising:

the implant comprises an implant body (101) and an operating tube (104), wherein a first external thread (102) and a first internal thread (103) are arranged on the implant body (101), and an installing rod (201) is fixedly connected to the operating tube (104);

characterized by further comprising:

the limiting mechanism is arranged on the mounting rod (201) and used for enhancing the limiting of the implant body (101);

stop gear is including seting up installation cavity (301) on installation pole (201), a plurality of spacing chambeies (302) have been seted up on installation cavity (301) lateral wall, each sliding connection has gag lever post (303) on spacing chambeies (302), each one end that gag lever post (303) kept away from each other is equipped with the rubber protection pad, one end that installation pole (201) is close to implant body (101) is equipped with threaded rod (202), threaded rod (202) and first internal thread (103) mutually support and set up, be equipped with on threaded rod (202) and be used for carrying out driven actuating mechanism to each gag lever post (303).

2. An oral implant extractor according to claim 1, wherein: the driving mechanism comprises a mounting groove (406) formed in the threaded rod (202), the mounting groove (406) is communicated with the mounting cavity (301), a cross plate (401) is arranged on the mounting groove (406), a driving rod (402) is connected to the cross plate (401) in a sliding mode, one end of the driving rod (402) located in the mounting groove (406) is provided with a driving ball (403), one end of the limiting rod (303) close to the driving ball (403) is provided with an inclined surface (405), the driving ball (403) slides on the inclined surface (405), a first spring (404) is sleeved on the driving rod (402), and two ends of the first spring (404) are connected with the cross plate (401) and the driving ball (403) respectively.

3. An oral implant extractor according to claim 2, wherein: each spacing chamber (302) is last to be equipped with the reset subassembly that is convenient for stop lever (303) to reset, reset subassembly includes fixed plate (501) of fixed connection on stop lever (303), the cover is equipped with second spring (502) on stop lever (303), the both ends of second spring (502) are connected with fixed plate (501) and the lateral wall in spacing chamber (302) respectively.

4. An oral implant extractor according to claim 2, wherein: each limiting rod (303) is distributed in an annular array.

5. An oral implant extractor according to claim 1, wherein: be equipped with on the operating tube (104) and be used for taking out mechanism to implant body (101), take out mechanism is including seting up connecting hole (203) that are located the inside one end of operating tube (104) at installation pole (201), second internal thread (204) have been seted up on connecting hole (203), second internal thread (204) are opposite with first internal thread (103) spiral, it is equipped with take out pole (205) to insert on operating tube (104), take out pole (205) are located the inside one end of operating tube (104) and are equipped with second external screw thread (206), second external screw thread (206) and second internal screw thread (204) mutually supporting set up, the other end of taking out pole (205) is equipped with regular hexagon's rotor plate (207).

6. An oral implant extractor according to claim 1, wherein: a plurality of anti-skid grooves (6) are formed in the side wall of the operation pipe (104).