CN205126453U - Root canal grinds and expands needle - Google Patents

Abstract

Root canal grinds and expands needle relates to medical instrument's field, and especially relate to department of stomatology doctor and get rid of the disease canalis radicis dentis and infect the structure thing and the supporting expansion needle that uses of sound wave cell -phone, including the needle body, the one end fixed connection handle of needle body, the other end of needle body is the toper for work end, the work end of needle body, and the surface of holding in the work of needle body has plated the buddha's warrior attendant sand bed. The utility model discloses an above design, the surface of holding in needle body work has plated diamond dust, and the cost is low to be difficult to the broken needle, increase of service life improves product quality.

Description

Root pipe mill expands pin

Technical field

This utility model relates to the field of medical apparatus and instruments, particularly relates to that surgeon dentist removes cacodontia root canal infection thing with structure that the is matching used expansion pin of sound wave mobile phone.

Background technology

Periapical periodontitis is the commonly encountered diseases of tissue of tooth, often there is pain repeatedly, swelling disease, the way of root canal is generally taked in treatment, root canal all will remove infection in root pipe and downright bad dental pulp, pass through root canal preparation, sterilization, filling reaches the object for the treatment of and prevention periapical periodontitis disease, requisite apparatus when expansion pin is root canal preparation, utilize sound wave mobile phone and matching used pipe to expand pin and pass through sonic vibration, irregular root canal infectious agent can be removed better, but the work surface that existing matching used pipe expands pin is machine cut to be processed into a lot of spinule and to form, cost is high, easy broken needle.

Summary of the invention

The purpose of this utility model is to overcome the deficiencies in the prior art, provides a kind of root pipe mill of not easily broken needle to expand pin.

The purpose of this utility model is achieved in that root pipe mill expands pin, and comprise needle body, one end of described needle body is fixedly connected with handle, and the other end of needle body is working end, and the working end of needle body is tapered, is coated with silicon carbide layer at the outer surface of the working end of needle body.

This utility model is by above design, and be coated with corundum at the outer surface of needle body working end, cost is low, and is not easy broken needle, increases the service life, and improves the quality of products.

Accompanying drawing explanation

Fig. 1 is structural representation of the present utility model.

Detailed description of the invention

As shown in Figure 1, root pipe mill expands pin, comprises needle body 1, one end of needle body 1 is fixedly connected with handle 2, and the other end of needle body 1 is working end 3, and the working end 3 of needle body 1 is tapered, be coated with silicon carbide layer 4 at the outer surface of the working end 3 of needle body 1, be coated with corundum by for the working end at pin, so not easily broken needle.

Claims (1)

1. a pipe mill expands pin, and comprise needle body, it is characterized in that: one end of described needle body is fixedly connected with handle, the other end of needle body is working end, and the working end of needle body is tapered, is coated with silicon carbide layer at the outer surface of the working end of needle body.