CN215306846U

CN215306846U - Nickel-titanium three-purpose gun spray pipe structure for microscopic root canal therapy

Info

Publication number: CN215306846U
Application number: CN202022761514.2U
Authority: CN
Inventors: 刘纯溢; 胡美林; 高峰; 刘大勇; 李琼
Original assignee: STOMATOLOGICAL HOSPITAL TIANJIN MEDICAL UNIVERSITY
Current assignee: STOMATOLOGICAL HOSPITAL TIANJIN MEDICAL UNIVERSITY
Priority date: 2020-11-25
Filing date: 2020-11-25
Publication date: 2021-12-28
Anticipated expiration: 2030-11-25

Abstract

The utility model relates to a nickel-titanium three-purpose gun nozzle structure for microscopic root canal treatment, which comprises a gun rod, wherein the gun rod is formed by coaxially sleeving an inner tube and an outer tube, a tube cavity of the inner tube is used as a water flow channel, a cavity between the outer tube and the inner tube is used as an air flow channel, a gun head is installed at one end of the gun rod, the included angle between the gun head and the gun rod is 100 degrees, an epoxy resin adhesive tape is further arranged at the joint of the gun head and the gun rod, the gun head is a single-tube-cavity nickel-titanium alloy gun head, the diameter of the gun head is 0.3mm, the length of the gun head is 40mm, the tip of the gun head is round and blunt, and a nozzle opening is integrally formed at the side of the gun head 2mm away from the tip of the gun head. The utility model has novel structure and simple operation, can extend the gun head into the deep part of the root canal, is more suitable for cleaning the debris or liquid in the root canal, has simple and convenient operation under a microscope, does not influence the visual field of an operator, and overcomes the technical defects that the three-purpose gun head is operated under the microscope to shield the visual field and the nozzle can not go deep into the root canal in the prior art.

Description

Nickel-titanium three-purpose gun spray pipe structure for microscopic root canal therapy

Technical Field

The utility model belongs to the technical field of medical instruments, and relates to a triple-purpose gun nozzle structure, in particular to a nickel-titanium triple-purpose gun nozzle structure for micro-root canal therapy.

Background

The root canal therapy is the most commonly used method for treating endodontic diseases and periapical diseases internationally at present, the principle of the root canal therapy is to remove infected matters and necrotic tissues in a root canal to the greatest extent by mechanical and chemical methods, and prevent the periapical lesions from occurring or promote the healing of the periapical lesions by filling the root canal and sealing a crown and a apical tip, the current commonly used root canal therapy instrument for clinic is a root canal microscope which can help an operator to more clearly and more intuitively observe the morphological structures of a pulp cavity and the root canal, but a large amount of dentinal debris is generated in the root canal preparation process, the debris is accumulated at the apical tip to influence the treatment effect if not timely cleaned, so a three-purpose gun is often used for debris cleaning, but the traditional three-purpose gun has thicker nozzle diameter and can not go deep into the root canal, so that the debris cannot be cleaned completely, and no bending exists between the gun rod and the gun head, resulting in an obscured field of view under microscope operation, a three-way gun nozzle structure for micro root canal treatment is urgently needed.

The following patent documents relevant to the present application are found by search, and specific disclosures are as follows:

1. the utility model provides a root canal flushing needle (CN204501015U) for dentistry, includes that needle file, gas-liquid mixture chamber, area side opening bent needle pipe, needle pipe side opening, anticreep are tied, anticreep line and anticreep card, its characterized in that: the whole flushing needle is made of elastic plastic materials, anti-skid lines are arranged on the outer surface of the needle base, the inner diameter of the flushing needle is matched with the outer diameter of a three-purpose gun head of a comprehensive treatment chair currently used in stomatology department, the flushing needle is detachably connected and fixed, a gas-liquid mixing cavity is arranged at the continuous part of the needle base and the needle tube, the needle tube is conical, the part which is continuous with the gas-liquid mixing cavity is provided with a bend, the bend angle can be changed, side holes are formed in the side wall of the needle tube, the side holes are distributed from the bend part to the needle point direction and are gradually and densely and gradually reduced, the tip part is designed in a closed mode, and under the condition that a tip opening is needed to be flushed, the tip can be cut off a little to expose the hole channel.

2. A three-purpose gun spray pipe structure (CN204971643U) for root canal therapy comprises a gun rod and a gun head, wherein one end of the gun head is a nozzle, the gun rod and the gun head are respectively formed by coaxially sleeving an inner pipe and an outer pipe, a pipe cavity of the inner pipe is used as a water flow channel, a cavity between the outer pipe and the inner pipe is used as an air flow channel, and the inner pipe and the outer pipe of the gun head are respectively communicated with the inner pipe and the outer pipe of the gun rod; the gun head and the gun rod are detachably and tightly connected.

3. A disposable three-purpose gun nozzle (CN211187606U) for dentistry, includes the spray gun body, its characterized in that: the spray gun body comprises outer tube and inner tube, and the outer pipe box is established in the inner tube outside, be formed with airflow channel between outer tube and the inner tube, the inside rivers passageway of having seted up of inner tube, the gas-liquid shower nozzle is installed to spray gun body one end, the apopore has been seted up at the middle part in the gas-liquid shower nozzle, the venthole has been seted up in the apopore outside, venthole internally mounted has gas pocket adjusting blade, the venthole is provided with four or six, and spray gun body and gas-liquid shower nozzle are disposable.

Through comparison of technical features, the technical structures of the above-mentioned patent publications and the present invention are different, and the creativity and novelty of the present invention application are not affected.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the defects in the prior art and provides the nickel-titanium three-purpose gun nozzle structure for the micro-root canal therapy, which has the advantages of simple structure, novel design and good cleaning effect.

The technical problem to be solved by the utility model is realized by adopting the following technical scheme:

the utility model provides a three way rifle spray tube structures of nickel titanium for microscopic root canal treatment, includes the barral of a gun, the barral of a gun is established with the axle center cover by inner tube and outer tube and is constituted, and the lumen of inner tube is as the rivers passageway, and the cavity between outer tube and the inner tube is as the air current passageway, the rifle head is installed to barral of a gun one end, rifle head and barral of a gun junction still are provided with the epoxy sticky tape, the rifle head is single lumen rifle head, and the tip circle of rifle head is blunt, and the rifle head side of distance its most advanced 2mm department system has the spout.

Moreover, the gun head is made of nickel-titanium alloy, and the gun rod is made of plastic.

Moreover, the front end of the gun rod is bent, and the bending angle is 100 degrees.

The length of the lance rod is 100mm, and the length of the lance head is 40 mm.

And the diameter of the gun head is smaller than that of the gun rod, and the diameter of the gun head is 0.3 mm.

The utility model has the advantages and positive effects that:

1. the nickel titanium three-purpose gun nozzle structure for the microscopic root canal treatment, provided by the utility model, has the advantages of novel structure and simplicity in operation, the gun head can be extended into the deep part of the root canal, the debris or liquid in the root canal can be better cleaned, the operation under a microscope is simple and convenient, the visual field of an operator is not influenced, and the technical defects that the three-purpose gun head is operated under the microscope to shield the visual field and the nozzle cannot be extended into the root canal in the prior art are overcome;

2. according to the nickel-titanium three-purpose gun nozzle structure for the micro root canal treatment, the gun head is made of nickel-titanium alloy, the nickel-titanium alloy has high elasticity and toughness, a certain bending angle can be formed, the nickel-titanium alloy is not easy to break, and the breakage of instruments in the using process can be effectively reduced;

3. the nickel titanium three-purpose gun nozzle structure for the micro root canal treatment provided by the utility model has the advantages that the length of the gun head is 40mm, the diameter is 0.3mm, the tip is round and blunt, the side opening is arranged at the position 2mm away from the tip, the gun head can enter the deep part of the prepared root canal to complete the washing and cleaning of the root canal, and the design of the side opening can effectively avoid the fragments and bacteria in the root canal from being washed out of the apical pore in the washing process and reduce the possibility of forming bubbles at the apical pore.

4. The nickel-titanium three-purpose gun nozzle structure for the microscopic root canal therapy, provided by the utility model, has the advantages that the gun head is 40mm long, the gun rod is 100mm long, the front end of the gun rod is bent, the bending angle is 100 degrees, when the gun head is installed at the front end of the gun rod and is fixedly adhered through the epoxy resin adhesive tape, the included angle between the gun head and the gun rod is 100 degrees, the bending angle of 100 degrees is convenient for an operator to stretch the gun head into the interior of a root canal, and the length of the gun head and the gun rod ensures that the visual field of the operator cannot be influenced by the operation under a microscope.

Drawings

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

fig. 2 is a schematic view of the structure of the lance head according to the present invention.

Detailed Description

The present invention will be described in further detail with reference to the following embodiments, which are illustrative only and not limiting, and the scope of the present invention is not limited thereby.

The utility model provides a three way rifle spray tube structures of nickel titanium for microscopic root canal treatment, includes rifle pole 4, the rifle pole is established with the axle center cover by inner tube 6 and outer tube 5 and is constituted, and the lumen of inner tube is as rivers passageway 8, and the cavity between outer tube and the inner tube is as air current passageway 7, rifle head 2 is installed to rifle pole one end, and rifle head and rifle pole junction still are provided with epoxy sticky tape 3, the rifle head is single lumen rifle head, and the tip circle of rifle head is blunt, and the rifle head side of its most advanced 2mm department of distance still has spout 1.

In the specific implementation of the utility model, the diameter of the gun head is 0.3mm, the length is 40mm, and the diameter of the gun head part is smaller than that of the gun rod, so that the gun head can extend into the deep part of the root canal for cleaning and disinfection, and the visual field of an operator cannot be influenced when the gun head is operated under a microscope; the gun head is made of nickel-titanium alloy with high elasticity and toughness, and the gun head can form a certain bending angle and is not easy to break, so that the breakage of instruments in the using process can be effectively reduced.

In the specific implementation of the utility model, the lance rod is 100mm long, is made of plastic, and is formed by sleeving an inner pipe and an outer pipe coaxially, the inner pipe is used as a water flow channel, the space between the outer pipe and the inner pipe is used as an air flow channel, and the root canal can be cleaned and dried simultaneously when the operation is carried out under a microscope, so that the inconvenience caused by frequent instrument replacement of an operator is avoided.

In the specific implementation of the utility model, in order to facilitate the operation under a microscope and not to influence the visual field of an operator, the front end of the gun rod is bent, the bending angle is 100 degrees, when the gun head is arranged at the front end of the gun rod, the included angle between the gun head and the gun rod is 100 degrees, the bending angle of 100 degrees is convenient for the operator to stretch the gun head into the interior of the root canal, and the lengths of the gun head and the gun rod enable the operation under the microscope not to influence the visual field of the operator.

In the specific implementation of the utility model, the tip end of the gun head is round and blunt, and the nozzle is further integrally formed at the side of the gun head at a distance of 2mm from the tip end, so that debris can be prevented from being pushed out of the apical hole due to overlarge jet force, and the design of the side opening can effectively prevent the washing liquid from forming bubbles in the root canal to influence the cleaning effect.

In the specific implementation of the utility model, the joint of the gun head and the gun rod is fixed by the epoxy resin adhesive tape, so that the fixed joint seal of the gun head and the gun rod is greatly improved.

Although the embodiments of the present invention and the accompanying drawings are disclosed for illustrative purposes, those skilled in the art will appreciate that: various substitutions, changes and modifications are possible without departing from the spirit and scope of the utility model and the appended claims, and therefore the scope of the utility model is not limited to the disclosure of the embodiments and the accompanying drawings.

Claims

1. The utility model provides a nickel titanium three way rifle spray tube structure for micro-root canal therapy, includes the barral of a gun, the barral of a gun is established with the axle center cover by inner tube and outer tube and is constituted, and the lumen of inner tube is as rivers passageway, and the cavity between outer tube and the inner tube is as air current passageway, rifle head, its characterized in that are installed to barral of a gun one end: an epoxy resin adhesive tape is further arranged at the joint of the gun head and the gun rod, the gun head is a single-cavity gun head, the tip end of the gun head is round and blunt, and a nozzle is integrally formed on the side of the gun head 2mm away from the tip end of the gun head; the gun head is made of nickel-titanium alloy, and the gun rod is made of plastic; the front end of the gun rod is bent, and the bending angle is 100 degrees; the length of the lance rod is 100mm, and the length of the lance head is 40 mm.

2. The Nitinol three-way lance nozzle structure for micro endodontic treatment according to claim 1, wherein: the diameter of the gun head part is smaller than that of the gun rod, and the diameter of the gun head is 0.3 mm.