CN208598549U - Root of the tooth extractor - Google Patents

Abstract

The utility model belongs to medical instruments field, and in particular to a kind of root of the tooth extractor, including operation handle and sliding hammer, the lower end of operation handle are to take root of the tooth conical section, and conical section periphery has screw thread, and form of thread is triangle；The lower end above section of operation handle is cylindrical section, and sliding hammer is sleeved in operation handle and can make along operation handle back and forth movement, and the upper end of operation handle is fixed with the handle cap for stopping sliding hammer.The taking-up of being completely cured remained in jawbone can be particularly suitable for being completely cured for slight slope by the utility model.Since its principle for being completely cured of taking-up is different from previous dental forceps and dental elevator, can be taken off that dental elevator is difficult to take out is completely cured, and is such as completely cured adjacent to the position of grinding one's teeth in sleep of inferior border of mandible is very deep, shallower for position is completely cured, and it is also often easy compared with dental elevator to operate.

Description

Root of the tooth extractor

Technical field

The utility model relates to a kind of root of the tooth extractor, it is completely cured (especially for pull out that normal tooth extraction procedure is difficult to pull out It is that position is very deep to be completely cured), belong to medical instruments field.

Background technique

In oral surgery operation of diagnosis and treatment, often need to carry out tooth extraction procedure.Currently, common instruments for tooth extraction have dental forceps and Various types of clavis.It often will appear situation of being completely cured in tooth extraction procedure, in previous treatment, pull out and be completely cured mainly using the tip of a root Very or cryer triangular elevator, the sclerotin around root of the tooth need to be abraded by turbine under partial picture, root of the tooth could be taken after being completely cured by appearing Out.Very deep for position to be completely cured, such as neighbouring grinding one's teeth in sleep for inferior border of mandible is completely cured, and is difficult to find that fulcrum, turbine with clavis Also sclerotin around of being completely cured can not be touched, takes out at this time and is completely cured difficult, can only will be completely cured and stay in mandibular, and bring in the future The hidden danger of infection and unknown cause pain, enables patient be difficult to receive.

Utility model content

Technical problem to be solved by the utility model is: overcoming deficiency in the prior art, providing one kind can be pulled out just What normal tooth extraction procedure was difficult to pull out be completely cured, especially position it is very deep be completely cured and the convenient root of the tooth extractor of clinical manipulation.

Root of the tooth extractor described in the utility model, including operation handle and sliding hammer, the lower end of operation handle are to take tooth Root conical section, conical section periphery have screw thread, and form of thread is triangle；The lower end above section of operation handle is cylinder Section, sliding hammer are sleeved in operation handle and can make back and forth movement along operation handle, and the upper end of operation handle is fixed with blocking The handle cap of sliding hammer.

When taking tooth to be completely cured, the conical section of root of the tooth extractor is protruded into the root canal being completely cured, hand is then rotated clockwise Handle cap as far as possible thread is screwed into being completely cured in, make screw thread and be completely cured combinations, drive sliding hammer to make back and forth along operation handle later Movement, prevents its further movement by handle cap when sliding hammer moves to operation handle upper end, the kinetic energy of sliding hammer can transmit Root of the tooth is taken out to screw thread so that the root of the tooth being fixed at screw thread be made to generate dislocation.

Preferably, the screw thread of the operation handle, sliding hammer and operation handle lower end conical section is all made of stainless steel Matter.In practical application, can be used 304 stainless steel materials production, hardness can make its to root canal inner wall generating unit cutting cut and Squeezing action, to obtain maintenance.

Preferably, the sliding hammer inner hollow, upper and lower end have suit hole, the aperture of suit hole and manipulator Gap between handle cylindrical section is less than 0.1mm, it is ensured that sliding hammer makees back and forth movement along operation handle.

Preferably, the lower part of the operation handle is equipped with limited block, the downstream position of effective limit slippage hammer, anti-on-slip Dynamic hammer is deviate from from the conical section of operation handle.

Preferably, there is anti-skid chequer to effectively prevent operator's hand in rotation process handle for the handle cap periphery It skids.

Preferably, the length of the conical section is 8mm, taper 0.18.In the utility model, the taper ratio of conical section The taper of root canal is big, and the screw thread of top can be enable preferentially to obtain bigger retention, reduces the case where threaded tip fractures.

Preferably, the depth of thread is 0.5-0.7mm, which can ensure that screw thread is suitably stuck in tooth root inside pipe wall And enough retentions are obtained, it is too deep to will cause screw thread self-strength deficiency if depth can shallowly cause retention insufficient excessively.

Preferably, the screw pitch of the screw thread is 1mm, and operation handle often rotates a circle, and root of the tooth extractor downlink 1mm makes Doctor is convenient for holding the depth that root of the tooth extractor screws in root canal in operation.

Preferably, the thread form angle of screw thread is 30 °, and in favor of the cutting to root canal inner wall, while the angle can make screw thread long Time keeps sharpness, reduces maintenance and replacement cost.

Possessed beneficial effect is the utility model compared with prior art:

The taking-up of being completely cured remained in jawbone can be particularly suitable for being completely cured for slight slope by the utility model.Due to It takes out that the principle be completely cured is different from previous dental forceps and dental elevator, therefore can be taken off that dental elevator is difficult to take out is completely cured, as neighbouring Inferior border of mandible grind one's teeth in sleep it is equal positions are very deep is completely cured, shallower for position is completely cured, and operation is also often easy compared with dental elevator.

Detailed description of the invention

Fig. 1 is the structural schematic diagram of the utility model；

Fig. 2 is the sectional view of sliding hammer.

In figure: 1, conical section；2, operation handle；3, limited block；4, sliding hammer；5, handle cap；6, suit hole.

Specific embodiment

The embodiments of the present invention are described further with reference to the accompanying drawing:

As shown in Figure 1, 2, root of the tooth extractor described in the utility model includes operation handle 2 and sliding hammer 4；

The lower end of operation handle 2 is to take root of the tooth conical section 1, and 1 periphery of conical section has screw thread, and form of thread is triangle Shape, the thread form angle are 30 °, and in favor of the cutting to root canal inner wall, while the angle can make screw thread keep sharpness for a long time, subtract Maintenance and replacement cost are lacked；The depth of thread is 0.6mm；The screw pitch of screw thread is 1mm, and operation handle 2 often rotates a circle, and root of the tooth takes Device downlink 1mm out makes doctor be convenient for holding the depth that root of the tooth extractor screws in root canal in operation；The length of conical section 1 is The taper of 8mm, taper 0.18, the taper ratio root canal are big (less than 0.06, but at root canal orifice, taper differs usual root canal taper), The screw thread of top can be enable preferentially to obtain bigger retention, reduce the case where threaded tip fractures；

The lower end above section of operation handle 2 be cylindrical section, 4 inner hollow of sliding hammer, upper and lower end have suit hole 6, Sliding hammer 4 is sleeved in operation handle 2 and can make along operation handle 2 back and forth movement, when assembly, the aperture of suit hole 6 and behaviour The gap made between handle cylindrical section is less than 0.1mm, it is ensured that sliding hammer 4 slides smooth；

The upper end of operation handle 2 is fixed with the handle cap 5 for stopping sliding hammer 4, in the present embodiment, handle cap 5 and manipulator Handle 2 is using threaded connection；There is 5 periphery of handle cap anti-skid chequer to effectively prevent operator's hand to beat in rotation process handle 2 It is sliding；The lower part of operation handle 2 is equipped with limited block 3, and the downstream position of effective limit slippage hammer 4 prevents sliding hammer 4 from operation handle 2 conical section 1 is deviate from.

The screw thread of operation handle 2, sliding hammer 4 and operation handle lower end conical section 1 is all made of stainless steel material, the present embodiment Middle to use 304 stainless steel materials, hardness can make it cut and squeezing action the cutting of root canal inner wall generating unit, to be consolidated Position.

The application method of root of the tooth extractor described in the present embodiment is as follows:

When taking tooth to be completely cured, the conical section 1 of root of the tooth extractor is protruded into the root canal being completely cured, hand is then rotated clockwise Handle cap 5, as far as possible thread is screwed into being completely cured in, make screw thread and be completely cured combinations, drive sliding hammer 4 along the work of operation handle 2 later Back and forth movement, prevents its further movement by handle cap 5 when sliding hammer 4 moves to 2 upper end of operation handle, and sliding hammer 4 moves It can be transferred to screw thread, so that the root of the tooth being fixed at screw thread be made to generate dislocation, root of the tooth is taken out.Because of the sliding in the present embodiment It hammers 4 limited strengths into shape, parodontium can not be fought sometimes to the retention of root of the tooth, it is difficult to make dislocation of being completely cured.At this point, only need to be by manipulator Handle 2 shakes to all directions, can break most of parodontium, and then applying dislocation power will be completely cured taking-up.

In actual use, the utility model there are certain requirements the tilt angle being completely cured, with the intensification for position of being completely cured, It is required that the tilt angle being completely cured is smaller.

Claims (9)

1. a kind of root of the tooth extractor, it is characterised in that: including operation handle (2) and sliding hammer (4), the lower end of operation handle (2) To take root of the tooth conical section (1), conical section (1) periphery has screw thread, and form of thread is triangle；The lower end of operation handle (2) Above section is cylindrical section, and sliding hammer (4) is sleeved on operation handle (2) and can make back and forth movement along operation handle (2), behaviour The upper end for making handle (2) is fixed with the handle cap (5) for stopping sliding hammer (4).

2. root of the tooth extractor according to claim 1, it is characterised in that: the operation handle (2), sliding hammer (4) and The screw thread of operation handle lower end conical section (1) is all made of stainless steel material.

3. root of the tooth extractor according to claim 1, it is characterised in that: described sliding hammer (4) inner hollow, thereon, Lower end has suit hole (6), and the gap between the aperture and operation handle cylindrical section of suit hole (6) is less than 0.1mm.

4. root of the tooth extractor according to claim 1, it is characterised in that: the lower part of the operation handle (2) is equipped with limit Position block (3).

5. root of the tooth extractor according to claim 1, it is characterised in that: handle cap (5) periphery has anti-skid chequer.

6. root of the tooth extractor according to claim 1, it is characterised in that: the length of the conical section (1) is 8mm, cone Degree is 0.18.

7. any root of the tooth extractor according to claim 1~6, it is characterised in that: the depth of thread is 0.5- 0.7mm。

8. any root of the tooth extractor according to claim 1~6, it is characterised in that: the screw pitch of the screw thread is 1mm。

9. any root of the tooth extractor according to claim 1~6, it is characterised in that: the thread form angle of screw thread is 30 °.