Anti-emphysema dental handpiece

Abstract

The utility model discloses an anti-emphysema dental handpiece. The anti-emphysema dental handpiece comprises a handpiece head and a handle, the machine head is mounted at the front end of the handle; the handle is provided with a cavity, the front end of the handle is provided with an air return hole communicated with the machine head and the cavity, and the tail end of the handle is provided with an air inlet and an air outlet; the air outlet is communicated with the cavity; an air inlet pipe is arranged in the cavity, and the two ends of the air inlet pipe are communicated with the air inlet and the machine head respectively; the anti-emphysema dental handpiece is characterized in that the anti-emphysema dental handpiece further comprises an outer water pipe, the outer water pipe is arranged outside the handpiece head, one end of the outer water pipe is communicated with the handpiece head, and the outer water pipe is used for conveying sterile water into the handpiece head; the side wall of the tail end of the handle is provided with an air outlet communicated with the cavity. According to the utility model, emphysema of tissues in the mouth of a patient can be reduced, and the external water pipe is arranged, so that the problem of water and gas pollution is solved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to dental medical instrument field, and specifically is a kind of anti-pneumatosis dental handpiece. BACKGROUND

[0002] Dental surgical instrument is the equipment for carrying out dental surgery, with the increase of the attention degree of dental health problem, various dental surgical instruments are also correspondingly obtained widely use and development.And pneumatic dental handpiece needs compressed gas to drive in the use process, and the gas after driving needs to be discharged from the inside of the handpiece, and diffuses from the two ends of the handpiece, due to the rapid diffusion of gas, will gather in the tissue gap and cause pneumatosis.To solve the problem of pneumatosis, some existing products are designed by structure in the inside of the handpiece, so that gas is not discharged from the front end of the handpiece, and the gas flow is drained to the rear cover direction of the handpiece, such as the front end of the handpiece of a kind of dental handpiece without gas disclosed in Chinese patent CN117959009A, the gas flow of the handpiece is not from the front end, but is drained to the rear cover direction of the handpiece, although there is no gas flow from the front end, but the gas flow from the rear end still enters the cavity of patient, and cannot achieve no gas overflow from the handpiece.

[0003] In addition, some are only discharged through the air return port to the air vent of handle rear, but due to the large gas flow rate, if only discharged through the air vent of tail end, the gas cannot be discharged in time, and the gas still flows from the front end of the handpiece. UTILITY MODEL CONTENTS

[0004] The utility model solves the technical problem to provide a kind of anti-pneumatosis dental handpiece, can reduce the pneumatosis of patient's oral tissue, and set up outer water pipe, solve the problem of water, gas pollution.

[0005] To solve the above technical problems, the utility model adopts the following technical solutions:

[0006] A kind of anti-pneumatosis dental handpiece, including handpiece and handle;The handpiece is installed at the front end of handle;The handle is provided with cavity, and the front end of handle is provided with air return hole that is communicated with handpiece and cavity, and the tail end of handle is provided with air inlet and air outlet;The air outlet is communicated with cavity;Air inlet pipe is arranged in the cavity, and the two ends of air inlet pipe are respectively communicated with air inlet and handpiece;Its distinguishing feature is that the anti-pneumatosis dental handpiece further includes outer water pipe, and the outer water pipe is arranged at the outside of handpiece, and one end thereof is communicated with handpiece, for conveying sterile water into handpiece;Air vent that is communicated with cavity is arranged on the side wall of the tail end of handle.

[0007] Further, the air vent is provided with multiple, and multiple air vents are arranged on the side wall of the tail end of handle, and multiple air vents can improve exhaust efficiency and optimize exhaust smoothness.

[0008] Further, the pipe opening of the outer water pipe not connected with the handpiece is provided with a connector, and the outer water pipe is connected with the water supply device through the connector.

[0009] Further, the connector is a variable-diameter hollow tubular structure, one end of the connector with a larger diameter is connected with the outer water pipe, and the other end with a smaller diameter is used for connecting the water supply device.

[0010] Further, the tail end of the handle is provided with a water inlet connector, a water inlet pipe is arranged in the cavity of the handle, one end of the water inlet pipe is communicated with the water inlet connector, and the other end is communicated with the handpiece, the dental engine is connected through the water inlet connector, so that the handpiece is provided with a pressure water source.

[0011] Further, the water inlet connector is a columnar structure with one end being open and the other end being sealed, the open end of the water inlet connector is communicated with the cavity of the handle, and the side wall of the water inlet connector is provided with a side hole communicated with the inside of the water inlet connector, so that the water source enters the cavity of the handle through the side hole, and the pressure of the water source is increased.

[0012] Further, the outer water pipe is a flexible pipe, so that the activity of the outer water pipe is better.

[0013] Further, the included angle formed by the central axis of the handle and the central axis of the handpiece is an acute angle, and the design has the advantages of convenient operation.

[0014] The beneficial effects of the utility model are as follows:

[0015] The anti-air embolism dental handpiece provided by the utility model is provided with a gas outlet at the tail end of the handle, and is additionally provided with a gas release port on the side wall of the tail end of the handle, the gas release port is communicated with the cavity in the handle, the cavity is communicated with the gas return hole at the front end of the handle, so that the gas can be discharged from the rear end of the handle in time and quickly, meanwhile, the outer water pipe arranged outside the handpiece can deliver sterile water into the handpiece, so that the handpiece is not discharged with gas, and air embolism is avoided, and the water and gas pollution problems can be solved by connecting the outer water pipe with the sterile water. DRAWINGS

[0016] Figure 1 It is an external structure schematic view of the utility model embodiment.

[0017] Figure 2 It is a partial sectional view of the utility model embodiment.

[0018] Figure 3 It is Figure 2 The enlarged view of the middle A area.

[0019] The figure marks are: 1, head; 2, handle; 21, cavity; 22, back gas hole; 23, air inlet; 24, air outlet; 25, air outlet; 26, water inlet; 261, side hole; 3, outer water pipe; 31, connecting head; 4, air inlet pipe; 5, water inlet pipe. DETAILED DESCRIPTION

[0020] The utility model will be described in detail below with reference to the exemplary embodiments in the drawings. But it should be known that the utility model can be realized by various different forms, and should not be understood as being limited to the embodiments set forth herein. The purpose of providing these embodiments is to make the disclosure of the utility model more complete, and to fully convey the concept of the utility model to those skilled in the art.

[0021] In this specification, the orientation terms such as up, down, left, right, front, back, front, back, top, bottom, etc. mentioned or possibly mentioned are defined with respect to the structure shown in the drawings, and they are relative concepts, so they may change accordingly according to their different positions, different use states. Therefore, these or other orientation terms should not be interpreted as restrictive terms. In addition, the terms "first", "second", "third" or similar expressions are only used for description and differentiation purposes, and cannot be understood as indicating or implying the relative importance of the corresponding components.

[0022] As shown in Figures 1 to 3 The anti-ecchymosis dental handpiece of the embodiment comprises a head 1, a handle 2 and an outer water pipe 3.

[0023] Among them, the head 1 is installed at the front end of the handle 2, and the front end of the handle 2 of the embodiment is provided with a mounting frame, and the head 1 is sealingly installed in the mounting frame. A pneumatic turbine is arranged in the head 1, and the main shaft of the pneumatic turbine can be connected with a brush head or other treatment tool for corresponding dental treatment.

[0024] The handle 2 of the embodiment is provided with a cavity 21, and the front end of the handle 2 is provided with a back gas hole 22 communicating with the head 1 and the cavity 21. The tail end of the handle 2 is provided with an air inlet 23 and an air outlet 24, wherein the air outlet 24 communicates with the cavity 21, and an air inlet pipe 4 is arranged in the cavity 21. The two ends of the air inlet pipe 4 respectively communicate with the air inlet 23 and the head 1. The air inlet 23 is used for connecting a dental engine, and the dental engine provides a pressure gas source for the head 1. The high-pressure gas enters the air inlet pipe 4 through the air inlet 23, and then enters the head 1 to drive the pneumatic turbine to rotate. After that, the high-pressure gas enters the cavity 21 of the handle 2 through the back gas hole 22, and then is discharged from the air outlet 24.

[0025] The outer water pipe 3 is arranged outside the handpiece 1, one end of which is communicated with the handpiece 1 for conveying sterile water into the handpiece 1. The pipe opening of the outer water pipe 3 not connected with the handpiece 1 is provided with a connector 31, and the outer water pipe 3 is connected with a water supply device through the connector 31. The connector 31 of the embodiment is a variable-diameter hollow tubular structure, one end of which with a larger diameter is connected with the outer water pipe 3, and the other end with a smaller diameter is used for connecting the water supply device. The structure of the connector 31 can connect pipelines with different diameters. In addition, the outer water pipe 3 of the embodiment is a flexible pipe, so that the outer water pipe 3 has better mobility.

[0026] The tail end side wall of the handle 2 of the embodiment is provided with air vent ports 25 communicated with the cavity 21. The air vent ports 25 are arranged in multiple numbers and are arranged around the side wall of the tail end of the handle 2. The arrangement of multiple air vent ports 25 can improve the air exhaust efficiency and optimize the air exhaust fluency.

[0027] The tail end of the handle 2 of the embodiment is provided with a water inlet connector 26, and the cavity 21 of the handle 2 is provided with a water inlet pipe 5, one end of which is communicated with the water inlet connector 26, and the other end is communicated with the handpiece 1. The water inlet connector 26 is connected with a dental engine, so as to provide a pressure water source for the handpiece 1. The water inlet connector 26 is a columnar structure with one end open and the other end sealed. The open end of the water inlet connector 26 is communicated with the cavity 21 of the handle 2. The side wall of the water inlet connector 26 is provided with a side hole 261 communicated with the inside of the water inlet connector 26. The water source enters the cavity 21 of the handle 2 through the side hole 261, and the pressure of the water source is increased at the same time.

[0028] In addition, the included angle between the central axis of the handle 2 and the central axis of the handpiece 1 is an acute angle, which has the advantage of convenient operation.

[0029] In summary, in addition to the air outlet 24 arranged at the tail end of the handle 2, the air vent ports 25 are arranged on the side wall of the tail end of the handle 2, and the air vent ports 25 are all communicated with the cavity 21 inside the handle 2, and the cavity 21 is communicated with the air return hole 22 at the front end of the handle 2, so that the gas can be quickly discharged from the rear end of the handle 2 in time. At the same time, the outer water pipe 3 is arranged outside the handpiece 1, which can convey sterile water into the handpiece 1. In this way, the handpiece 1 can be free of gas discharge, and air swelling can be avoided. At the same time, the sterile water connected with the outer water pipe 3 can solve the problem of water and gas pollution.

[0030] Although the utility model has been described in detail above with general description and specific embodiments, some modifications or improvements can be made on the basis of the utility model, which is obvious to those skilled in the art. Therefore, these modifications or improvements made on the basis of not deviating from the spirit of the utility model all belong to the scope of protection required by the utility model.

Claims

1. An anti-emphysema dental handpiece, comprising a handpiece head and a handle; the handpiece head is mounted at the front end of the handle; the handle is provided with a cavity, the front end of the handle is provided with a back gas hole communicating with the handpiece head and the cavity, the tail end of the handle is provided with an air inlet and an air outlet; the air outlet communicates with the cavity; an air inlet pipe is arranged in the cavity, and two ends of the air inlet pipe respectively communicate with the air inlet and the handpiece head; characterized in that Further comprising an outer water pipe, the outer water pipe is arranged outside the handpiece head, one end of the outer water pipe communicates with the handpiece head, and the outer water pipe is used for conveying sterile water into the handpiece head; a plurality of air release holes communicating with the cavity are arranged on the side wall of the tail end of the handle.

2. The anti-emphysematous dental handpiece according to claim 1, characterized in that: The air release holes are arranged on the side wall of the tail end of the handle.

3. The anti-emphysematous dental handpiece of claim 1, wherein: The pipe opening of the outer water pipe not connected with the handpiece head is provided with a connector.

4. The anti-emphysematous dental handpiece of claim 3, wherein: The connector is a variable-diameter hollow tubular structure, one end of the connector with a larger diameter is connected with the outer water pipe, and the other end with a smaller diameter is used for connecting a water supply device.

5. The anti-emphysematous dental handpiece of claim 1, wherein: The tail end of the handle is provided with a water inlet connector, and a water inlet pipe is arranged in the cavity of the handle, one end of the water inlet pipe communicates with the water inlet connector, and the other end communicates with the handpiece head.

6. The anti-emphysematous dental handpiece of claim 5, wherein: The water inlet connector is a columnar structure with one end open and the other end sealed, the open end of the water inlet connector communicates with the cavity of the handle; the side wall of the water inlet connector is provided with a side hole communicating with the inside of the water inlet connector.

7. The anti-emphysematous dental handpiece of claim 1, wherein: The outer water pipe is a flexible pipe.

8. The anti-emphysematous dental handpiece of claim 1, wherein: The included angle between the central axis of the handle and the central axis of the handpiece head is an acute angle.

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