CN203138718U

CN203138718U - Machine enlarge needle positioner for root canal treatment instrument

Info

Publication number: CN203138718U
Application number: CN 201320120971
Authority: CN
Inventors: 李凤强; 曹阳
Original assignee: Individual
Current assignee: Individual
Priority date: 2013-03-18
Filing date: 2013-03-18
Publication date: 2013-08-21
Anticipated expiration: 2023-03-18

Abstract

The utility model discloses a machine enlarge needle positioner for a root canal treatment instrument. The machine enlarge needle positioner comprises a sleeve body, wherein the sleeve body is provided with a side opening; the inner surface of the sleeve body is matched with the outer surface of the end part of the upper machine head of the root canal treatment instrument; the outer side of the sleeve body is connected with a side lug; the side lug is provided with an axial limiting bolt; a nut matched with the axial limiting bolt is connected with a limiting plate; and the middle part of the limiting plate is provided with an opening. When in use, the machine enlarge needle positioner is sleeved on the machine head of the root canal treatment instrument, a screw cap at the upper end of the axial limiting bolt is rotated, the position of the limiting plate is adjusted so that the distance between the bottom surface of the limiting plate and the end head of an enlarge needle is exactly the same as the depth of a hole to be drilled, and then the drilling operation is carried out; when the limiting plate comes into contact with a tooth end, the drilling depth exactly meets the requirement, the hole can not be continuously drilled at the time; when the limiting plate comes into contact with a tooth end head, the feeling is obvious, and the drilling depth is accurate; and the defined size in a hole drilling process is difficult to change. The machine enlarge needle positioner disclosed by the utility model has the advantages of accurate positioning and easy control of drilling depth.

Description

Be used for the machine of root canal instrument with enlarging the pin localizer

Technical field

This utility model relates to a kind of localizer, and particularly a kind of machine for the root canal instrument is used and enlarged the pin localizer.

Background technology

The root canal instrument is that odontologist is in the main tool of holing for the patient who has tooth to suffer from, as shown in Figure 2: comprise main control system and the boring handle 10 that joins with main control system, termination at boring handle 10 is connected to head 11, is equipped with at head 11 to enlarge pin 12.The turning cylinder that utilizes main control system to drive in the boring handle 10 during operation rotates, turning cylinder drives and enlarges pin 12 rotations, make expansion pin 12 rotate into cacodontia inside, the degree of depth that pierces is determined by odontologist according to the cacodontia situation, after the degree of depth that needs enter is determined, just must strictly control the degree of depth that enters that enlarges pin 12, can damage the patient oral cavity deeply if cross, cross the shallow requirement that do not reach again.Determine at present to enlarge the degree of depth that pin 12 enters and utilize buoy to show, namely be set with a buoy 17 enlarging pin 12, buoy 17 equals the degree of depth that will hole to the distance of expansion pin 12 terminations.This mode is located inaccurate, buoy moves thereupon in the tooth body because expansion pin 12 enters gradually, can not obviously perceive after buoy touches the tooth end when reaching degree of depth requirement, erroneous judgement very easily appears in the observation with operator fully, and buoy 17 also has a certain amount of play with respect to enlarging pin 12 sometimes.

Summary of the invention

The purpose of this utility model provide the control of a kind of accurate positioning, drilling depth easily, do not occur dark or the good machine that is used for the root canal instrument of shallow situation, drilling quality of crossing with enlarging the pin localizer, overcome the deficiencies in the prior art.

Machine for the root canal instrument of the present utility model is used and is enlarged the pin localizer, comprise the body that has side ports, the head end outer surface matches on the inner surface of described body and the described root canal instrument, be connected with limiting plate at body, be provided with the distance adjustment part between body and the limiting plate, the limiting plate middle part is provided with opening.

Machine for the root canal instrument of the present utility model is with enlarging the pin localizer, and wherein said distance adjustment part structure is to be connected to the limit ear in the body outside, is provided with the bolt of axial limiting at the limit ear, and the nut that matches with bolt is connected on the limiting plate.

Machine for the root canal instrument of the present utility model is used and is enlarged the pin localizer, and there is the plane that is parallel to each other the both sides of wherein said side ports, and the distance H between two planes is less than body diameter of bore D.

Machine for the root canal instrument of the present utility model is used and is enlarged the pin localizer, wherein said limit ear comprises the top ear that is connected the body outer upper and is connected the following ear of body outer lower portion, top ear and following ear are in the lateral symmetry setting of body, in the bolt hole on the ear of described bolt insertion top, there is the nut that is positioned at ear top, top the bolt upper end, the screw of being furnished with axial limiting on the following square bolt of top ear, the nut that matches with bolt insert in the nut bore on the described following ear.

Machine for the root canal instrument of the present utility model is used and is enlarged the pin localizer, be sleeved on the head for the root canal instrument during use, the nut of rotating bolt upper end, adjust the position of limiting plate, make the limiting plate bottom surface just identical with the degree of depth that will hole apart from the distance that enlarges the pin termination, carry out drilling operation then when limiting plate contacts with the tooth end, drilling depth just reaches requirement, can't continue boring this moment again, obviously also drilling depth was accurate for sensation when limiting plate contacted with the tooth termination, the size of determining in boring procedure is difficult for changing, and has accurate positioning, drilling depth control is easy to advantage.

Description of drawings

Fig. 1 is the structural representation that this utility model cooperates with the root canal instrument;

Fig. 2 is the structural representation of head, expansion pin and the buoy of root canal instrument in the prior art;

Fig. 3 is the machine structural representation that enlarges the pin localizer for the root canal instrument of the present utility model;

Fig. 4 is schematic top plan view shown in Figure 3;

Fig. 5 is the machine structural representation that enlarges pin localizer limiting plate and nut for the root canal instrument of the present utility model;

Fig. 6 is that sketch map is looked on the left side that shows of Fig. 5;

Fig. 7 is schematic top plan view shown in Figure 5;

Fig. 8 is the machine structural representation that enlarges pin localizer body for the root canal instrument of the present utility model;

Fig. 9 is that sketch map is looked on a left side shown in Figure 8;

Figure 10 is schematic top plan view shown in Figure 8.

The specific embodiment

As Fig. 3～shown in Figure 10: 1 is body, in the side of body 1 side ports 15 is arranged, head 11 leading section outer surfaces match on the inner surface of body 1 and the root canal instrument, there is the plane 14 that is parallel to each other the both sides of side ports 15, distance H between two planes 14 is slightly less than body 1 endoporus dimension D, namely body 1 can be fastened on the leading section of head 11 by side ports 15, because H is slightly less than D, the fashionable micro-deformation that takes place of body 1 cover, it is fastening to be inserted in back and head 11.

Be connected to the limit ear in body 1 outside, the limit ear is located at place, top, the outside and the following place of body 1, namely forms top ear 8 and following ear 2, and top ear 8 and following ear 2 all are symmetrical set.

In the bolt hole 13 that bolt 5 inserts on the top ear 8, there is the nut 7 that is positioned at top ear 8 tops bolt 5 upper ends.The screw 6 of being furnished with axial limiting on two on the following square bolt 5 of top ear 8 can carry out axial limiting to bolt 5 with nut 7 after two spacing screws 6 screw mutually.The bottom of the nut 4 that matches with bolt 5 is fixedly connected with limiting plate 3, and limiting plate 3 middle parts are provided with opening 9.In the nut bore 16 that nut 4 inserts on the following ear 2.

During use body 1 is sleeved on the leading section for the head 11 of root canal instrument, make expansion pin 12 on the head 11 just be positioned at opening 9 on the limiting plate 3, the nut 7 of rotating bolt 5 upper ends, adjust the position of limiting plate 3, make limiting plate 3 bottom surfaces just identical with the degree of depth that will hole apart from the distance that enlarges pin 10 front ends, carry out drilling operation then when limiting plate 3 contacts with the tooth end, drilling depth just reaches requirement, can't continue boring this moment again, obviously also drilling depth was accurate for sensation when limiting plate contacted with the tooth termination, the size of determining in boring procedure is difficult for changing, and has accurate positioning, drilling depth control is easy to advantage.

Claims

1. a machine that is used for the root canal instrument is with enlarging the pin localizer, it is characterized in that: comprise the body (1) that has side ports (15), head (11) end outer surface matches on the inner surface of described body (1) and the described root canal instrument, be connected with limiting plate (3) at body (1), be provided with the distance adjustment part between body (1) and the limiting plate (3), limiting plate (3) middle part is provided with opening (9).

2. the machine for the root canal instrument according to claim 1 is used and is enlarged the pin localizer, it is characterized in that: described distance adjustment part structure is to be connected to the limit ear in body (1) outside, be provided with the bolt (5) of axial limiting at the limit ear, the nut (4) that matches with bolt (5) is connected on the limiting plate (3).

3. the machine for the root canal instrument according to claim 2 is used and is enlarged the pin localizer, it is characterized in that: there is the plane (14) that is parallel to each other the both sides of described side ports (15), and the distance H between two planes (14) is less than body (1) diameter of bore D.

4. the machine for the root canal instrument according to claim 3 is used and is enlarged the pin localizer, it is characterized in that: described limit ear comprises the top ear (8) that is connected body (1) outer upper and is connected the following ear (2) of body (1) outer lower portion, top ear (8) and following ear (2) are in the lateral symmetry setting of body (1), in the bolt hole (13) on described bolt (5) the insertion top ear (8), there is the nut (7) that is positioned at top ear (8) top bolt (5) upper end, the screw (6) of being furnished with axial limiting on the following square bolt (5) of top ear (8), the nut (4) that matches with bolt (5) insert in the nut bore (16) on the described following ear (2).