CN2824868Y

CN2824868Y - Dental expansion needle

Info

Publication number: CN2824868Y
Application number: CN 200520087803
Authority: CN
Inventors: 王春阳
Original assignee: Individual
Current assignee: Individual
Priority date: 2005-09-30
Filing date: 2005-09-30
Publication date: 2006-10-11
Anticipated expiration: 2015-09-30

Abstract

The utility model relates to an expansion needle with simple operation and high safety for oral cavities, which comprises an expansion needle, a chain ring connected with the expansion needle, and a finger ring fixedly connected with the tail end of the chain ring, wherein the tail end of a handle of the expansion needle is fixedly provided with a rotary ring which is connected with a hook fixedly connected with the front end of the chain ring, or the tail end of the chain ring is connected with the rotary ring which is fixedly connected with the finger ring; the front end of the chain ring is fixedly connected with the hook which is fixedly connected with the tail end of the handle of the expansion needle.

Description

The oral cavity enlarges pin

Technical field

This utility model relates to a kind of oral cavity medical apparatus, relates in particular to a kind of oral cavity and enlarges pin.

Background technology

In recent years, in the treatment of oral cavity tooth body, the most suitable capable therapeutic method of reliable surely belonged to root canal, was absolutely necessary and make the employed expansion pin of root canal, enlarged pin frequency of utilization clinically and increased day by day.Because use enlarging pin is to operate in mouth, long-pending little because of enlarging needle body, and mouthful in the influence of work angle, saliva, the oral cavity doctor wears factors such as glove operation, is strayed into pharyngeal and endotracheal probability thereby increased the expansion pin.In order to address the above problem, the expansion pin that uses is clinically bound line at expansion pin handle end aperture place at present, and other end wire-wound is on finger; But enlarge pin generally from pin to six pin, operator one ties up six times back and forth like this, complicated operation, and the 2nd, be difficult for thorough disinfection after binding line on the pin hole; Also have and a kind ofly set up rustless steel chain link etc. enlarging the pin handle end, these chain links easily form fast knot or button when enlarging the pin rotation.

Summary of the invention:

The purpose of this utility model provides oral cavity a kind of simple to operate, safe in utilization and enlarges pin.

For achieving the above object, the technical scheme that this utility model adopted is: a kind of oral cavity enlarges pin, comprising: enlarge pin, with enlarge the chain link that pin is connected, the Ring put around finger for massage of cavity of human body of fixedlying connected with the chain link end, its characteristics are: the handle end that enlarges pin is installed with change, and the fixedly connected hook of change and the front end of chain link is connected; Perhaps the end of chain link is connected with change, and change is fixedlyed connected with Ring put around finger for massage of cavity of human body, chain link) front end be fixedly connected with hook, the hook with expansion pin handle end fixedly connected.

The utility model has the advantages that: owing in this utility model change free to rotate is installed, thus can not make chain link fast knot or button phenomenon occur when using this utility model rotary manipulation, therefore, simple to operate, safe ready when using this utility model.

Description of drawings

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

Fig. 2 is an another kind of structural representation of the present utility model;

Fig. 3 is the third structural representation of the present utility model;

Fig. 4 is the 4th a kind of structural representation of the present utility model.

The specific embodiment

Below in conjunction with the drawings and specific embodiments this utility model is further described:

Embodiment 1

A kind of oral cavity enlarges pin, as shown in Figure 1, 2; Comprising: enlarge pin 1, with enlarge the common chain link 4 that pin 1 fixedlys connected, the common Ring put around finger for massage of cavity of human body 5 of fixedlying connected with the chain link end; The handle end that enlarges pin 1 is installed with common change 2, and change herein can be common Eight characters change or common common change; The front end of chain link 4 is fixedly connected with common hook 3; Hook is fixedlyed connected with the change of handle end.

Embodiment 2

A kind of oral cavity enlarges pin, shown in Fig. 3,4; Comprising: enlarge pin 1, with enlarge the common chain link 4 that pin 1 is connected, the common Ring put around finger for massage of cavity of human body 5 of fixedlying connected with the chain link end; The end of chain link is connected with common change 2, and change herein can be common Eight characters change or common common change; Change 2 is fixedlyed connected with Ring put around finger for massage of cavity of human body 5, and the front end of chain link 4 is fixedly connected with hook 3, and hook 3 is fixedlyed connected with the handle end that enlarges pin 1.

The beneficial effects of the utility model are: 1, Eight characters change or change are installed in the utility model, But Eight characters change or change freedom and flexibility are rotated during use, chain link fast knot or button phenomenon can not occur. 2, the chain link front end is installed with hook, and hook can make chain link be connected with Eight characters change or change easily Or break away from, be convenient in operation on oral cavity, change the expansion pin of similar shape not number.

Claims

1, a kind of oral cavity enlarges pin, comprising: enlarge pin (1), with enlarge the chain link (4) that pin (1) is connected, the Ring put around finger for massage of cavity of human body (5) of fixedlying connected with the chain link end, it is characterized in that: the handle end that enlarges pin (1) is installed with change (2), and the fixedly connected hook (3) of change (2) and the front end of chain link (4) is connected; Perhaps the end of chain link is connected with change (2), and change (2) is fixedlyed connected with Ring put around finger for massage of cavity of human body (5), and the front end of chain link (4) is fixedly connected with hook (3), and hook (3) is fixedlyed connected with the handle end that enlarges pin (1).