CN110693614A

CN110693614A - Minimally invasive tooth extraction device

Info

Publication number: CN110693614A
Application number: CN201910951915.3A
Authority: CN
Inventors: 李文超
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-10-09
Filing date: 2019-10-09
Publication date: 2020-01-17

Abstract

The invention discloses a minimally invasive tooth extraction device which comprises a tooth extraction device, wherein the tooth extraction device is composed of a handle, a cutter bar and a cutting edge. The invention has the beneficial effects that: the minimally invasive tooth-extracting knife can be used for minimally invasive extraction of various affected teeth, broken roots and residual roots, reduces the investment of dental instruments, saves medical resources, reduces the labor and sterilization cost, has a simple design method, is easy to be mastered by a user, and overcomes the problems of large number of common minimally invasive tooth-extracting knives, large occupied space of handles, high sterilization frequency and high cost.

Description

Minimally invasive tooth extraction device

Technical Field

The invention relates to a tooth extraction device, in particular to a minimally invasive tooth extraction device, and belongs to the technical field of medical instruments.

Background

The minimally invasive tooth extraction knife is invented and designed by foreign professional dentists at first, and the structure of the minimally invasive tooth extraction knife comprises three parts: cutting edge, cutter arbor and handle, wicresoft extract tooth sword between the dental elevator and the chisel EMEI, sharper than the dental elevator, more the handle that can exert oneself than the chisel EMEI, consequently, the user mode of extracting the tooth sword differs with present internal conventional instrument of extracting the tooth, uses to extract the tooth sword and carries out the operation of extracting the tooth, need not use the hammering to increase the clearance, makes patient's comfortable degree improve greatly, from this point to use to extract the tooth sword and extract the tooth is revolutionary.

With the rapid development of medical technology, the types of minimally invasive tooth-extracting knives are more and more, however, the continuous replacement of the models of the tooth-extracting knives in the extraction of complex teeth not only reduces the working efficiency of dentists, but also requires that the medical places have enough models and numbers of minimally invasive tooth-extracting knives, and has enough space to accommodate the instruments, so that the cost of the dental instruments is increased, the cost of manpower and sterilization is increased due to frequent sterilization, the working efficiency of the tooth-extracting doctors is improved, and the reduction of the cost of the dental instruments and sterilization is of great importance for the design of the minimally invasive tooth-extracting knives.

Disclosure of Invention

The invention realizes the purpose through the following technical scheme: a minimally invasive tooth extraction device comprises a tooth extraction device, wherein the tooth extraction device is composed of a handle, a cutter bar and a cutting edge;

the cutter arbor is integrative with the cutting edge, and swing joint is on the handle, the cutter arbor comprises cutter arbor card, cutter arbor recess and cutter arbor tail end, the handle includes pole, steel ball and spring in the handle, the steel ball is located the steel ball downthehole and can intrude the cutter arbor and take one's place in saying, pole has loop bar and screw hole outward in the handle, the screw hole internal fixation has the screw, makes the steel ball fixed with cutter arbor and handle through slip loop bar compression spring, the loop bar inboard is equipped with the loop bar inside callipers.

As a still further scheme of the invention: the screw fixes the loop bar on the inner bar of the handle and can slide up and down at the screw hole.

As a still further scheme of the invention: the diameter of the steel ball is 1.3 times of the thickness of the steel ball hole, the outer diameter of the steel ball hole is larger than the diameter of the steel ball, the inner diameter of the steel ball hole is 4/5 of the diameter of the steel ball, and the steel ball is positioned in the steel ball hole and can protrude into the cutter bar positioning channel but cannot fall off.

As a still further scheme of the invention: the upper end of the spring is in contact with the inner clamp of the sleeve rod, the lower end of the spring is in contact with the inner rod of the handle, the finger presses the sleeve rod to slide towards the handle, the spring is compressed, the steel ball slides to the outer side of the inner clamp of the sleeve rod, the cutter bar is inserted at the moment, the sleeve rod is loosened by fingers after the cutter bar groove and the tail end are positioned in the cutter bar positioning channel, the sleeve rod returns to the original position, and the steel ball slides to the inner clamp of the sleeve rod and protrudes into the cutter bar positioning channel to be matched with the cutter bar groove.

As a still further scheme of the invention: the loop bar is pressed in the handle direction, the spring is compressed, the steel ball slides to the outer side of the loop bar inner clamp, the cutter bar in the figure 3 can be pulled out at the moment, the cutter bar is replaced, the fingers are loosened, and the loop bar returns to the original position.

As a still further scheme of the invention: the cutter bar is connected with the handle in an inserting way, and the cutter bar can be straight or bent.

The invention has the beneficial effects that: the minimally invasive tooth extraction device is reasonable in design: the minimally invasive tooth-extracting knife can be used for minimally invasive extraction of various affected teeth, broken roots and residual roots, reduces the investment of dental instruments, saves medical resources, reduces the labor and sterilization cost, has a simple design method, is easy to be mastered by a user, and overcomes the problems of large number of common minimally invasive tooth-extracting knives, large occupied space of handles, high sterilization frequency and high cost.

Drawings

FIG. 1 is a schematic front view of the present invention;

FIG. 2 is a schematic cross-sectional view of the present invention;

FIG. 3 is a partially enlarged schematic view of the present invention;

FIG. 4 is a partial schematic view of the present invention;

FIG. 5 is a schematic view of a tool bar structure according to the present invention.

In the figure: 1. the steel ball milling cutter comprises a cutter bar, 2, a steel ball hole 3, a sleeve bar inner clamp, 4, a spring, 5, a sleeve bar, 6, a screw, 7, a screw hole, 8, a handle inner rod, 9, a handle, 10, a steel ball, 11, a cutter bar positioning channel, 12, a cutter bar clamp, 13, cutter bar grooves and 14 and a cutter bar tail end.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1 to 5, a minimally invasive tooth extraction device comprises a tooth extraction device composed of a handle 9, a cutter bar 1 and a blade;

cutter arbor 1 is integrative with the cutting edge, and swing joint is on handle 9, cutter arbor 1 comprises cutter arbor card 12, cutter arbor recess 13 and cutter arbor tail end 14, handle 9 includes pole 8, steel ball 10 and spring 4 in the handle, steel ball 10 is located steel ball hole 2 and can intrude the cutter arbor and take one's place in the way 11, pole 8 has loop bar 5 and screw hole 7 outward in the handle, screw hole 7 internal fixation has screw 6, makes steel ball 10 fixed with cutter arbor 1 and handle 9 through 5 compression spring 4 of slip loop bar, 5 inboards of loop bar are equipped with loop bar inside callipers 3.

Furthermore, in the embodiment of the invention, the screw 6 fixes the loop bar 5 on the handle inner bar 8 and can slide up and down at the screw hole 7, so that the loop bar 5 and the handle inner bar 8 can be conveniently fixed, the investment of dental instruments is reduced, and medical resources are saved.

Furthermore, in the embodiment of the invention, the diameter of the steel ball 10 is 1.3 times of the thickness of the steel ball hole 2, the outer diameter of the steel ball hole 2 is larger than the diameter of the steel ball 10, the inner diameter of the steel ball hole 2 is 4/5 of the diameter of the steel ball 10, the steel ball 10 is positioned in the steel ball hole 2 and can protrude into the cutter bar positioning channel 11, but cannot fall off, and the stability of the tooth extraction device during working is ensured.

Furthermore, in the embodiment of the invention, the upper end of the spring 4 contacts the sleeve rod inner clamp 3, the lower end contacts the handle inner rod 8, the finger-pressing sleeve rod 5 slides towards the handle 9, the spring 4 is compressed, the steel ball 10 slides to the outer side of the sleeve rod inner clamp 3, the cutter rod 1 is inserted at the moment, the cutter rod groove 13 and the tail end 14 are positioned in the cutter rod positioning channel 11, the finger loosens the sleeve rod 5, the sleeve rod 5 returns to the original position, and the steel ball 10 slides to the sleeve rod inner clamp 13 and protrudes into the cutter rod positioning channel 11 to be matched with the cutter rod groove 13, so that the cutter rod 1 is fixed on the handle 9.

Further, in the embodiment of the invention, the sleeve rod 5 is pressed in the direction of the handle 9, the spring 9 is compressed, the steel ball 12 slides to the outer side of the sleeve rod inner clamp 3, the cutter bar 1 in fig. 3 can be pulled out at the moment, the cutter bar is replaced, the fingers are loosened, and the sleeve rod 5 returns to the original position, so that the problems of large number of common minimally invasive tooth-extracting cutters, large occupied space of the handle, high sterilization frequency and high cost are solved.

Further, in the embodiment of the present invention, the knife bar 1 is connected with the handle 9 in an insertion manner, and the knife bar 1 can be straight or bent, so that the knife bar 1 can be replaced at any time.

The working principle is as follows: when the minimally invasive tooth extraction device is used, the cutting edges and the cutter bars 1 are integrated and movably connected onto the handle 9, the cutter bars 1 can be straight or bent, the top ends of the cutter bars 1 are respectively provided with cutting edges of different models, the cutter bars 1 and the handle 9 are connected in an inserting mode during use, the handle 9 is provided with the loop bar 5, and the cutter bars are fixed onto the handle 9 through the sliding loop bar 5.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention 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.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. A minimally invasive tooth extraction device comprises a tooth extraction device and is characterized in that: the tooth extraction device consists of a handle (9), a cutter bar (1) and a cutting edge;

cutter arbor (1) is integrative with the cutting edge, swing joint on handle (9), cutter arbor (1) comprises cutter arbor card (12), cutter arbor recess (13) and cutter arbor tail end (14), pole (8), steel ball (10) and spring (4) in handle (9) include the handle, steel ball (10) are located steel ball hole (2) and can intrude the cutter arbor and take one's place in saying (11), pole (8) have loop bar (5) and screw hole (7) outward in the handle, screw hole (7) internal fixation has screw (6), make steel ball (10) fixed with cutter arbor (1) and handle (9) through slip loop bar (5) compression spring (4), loop bar (5) inboard is equipped with loop bar inside callipers (3).

2. The minimally invasive tooth extraction device according to claim 1, wherein: the screw (6) fixes the loop bar (5) on the handle inner bar (8) and can slide up and down at the screw hole (7).

3. The minimally invasive tooth extraction device according to claim 1, wherein: the diameter of the steel ball (10) is 1.3 times of the thickness of the steel ball hole (2), the outer diameter of the steel ball hole (2) is larger than the diameter of the steel ball (10), the inner diameter of the steel ball hole is 4/5 of the diameter of the steel ball (10), and the steel ball (10) is positioned in the steel ball hole (2) and can protrude into the cutter bar positioning channel (11) but cannot fall off.

4. The minimally invasive tooth extraction device according to claim 1, wherein: spring (4) upper end contact loop bar inside callipers (3), pole (8) in the lower extreme contact handle, finger pressure loop bar (5) slide to handle (9) direction, spring (4) compression, steel ball (10) slide to loop bar inside callipers (3) outside, insert cutter arbor (1) this moment, cutter arbor recess (13) and tail end (14) just are located the cutter arbor and take one's place the way (11) after, the finger loosens loop bar (5), loop bar (5) return the normal position, steel ball (10) slide to loop bar inside callipers (13) department and break into and coincide with cutter arbor recess (13) in the cutter arbor takes one's place way (11), thereby make cutter arbor (1) remain on handle (9).

5. The minimally invasive tooth extraction device according to claim 1, wherein: the finger presses the loop bar (5) towards the handle (9), the spring (9) is compressed, the steel ball (12) slides to the outer side of the loop bar inner clamp (3), the cutter bar (1) can be pulled out at the moment, the cutter bar is replaced, the finger is loosened, and the loop bar (5) returns to the original position.

6. The minimally invasive tooth extraction device according to claim 1, wherein: the cutter bar (1) is connected with the handle (9) in an inserting manner, and the cutter bar (1) can be straight or bent.