Visual dental handpiece

By designing a reusable mother seat and seat plug-in structure in dental phones, the high cost problem caused by joint replacement is solved, and the formation of wind curtains or water curtains through the nozzle assembly improves the clarity of the lens, achieving cost savings and clear imaging effects.

CN223158443UActive Publication Date: 2025-07-29BEIJING STOMATOLOGY HOSPITAL CAPITAL MEDICAL UNIV
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Patent Information

Application Number
CN202422693509.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-06
Publication Date
2025-07-29
Estimated Expiration
2034-11-06

AI Technical Summary

Technical Problem

Existing visual dental phones require the disposal of expensive connectors at the same time when replacing them, resulting in increased usage costs.

Method used

A visual dental phone is designed, in which the head assembly and the handle assembly are plugged into the female seat and the male seat, the connector can be reused, the power supply and signal lines are respectively connected through the plug terminal and the jack, and the medium changes direction through the nozzle assembly to form a wind curtain or water curtain to cover the lens to avoid impurities entering.

Benefits of technology

Reuse of joints is achieved, reducing usage costs, and improving lens clarity and imaging clarity through wind or water curtains.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of medical instruments, and provides a visual dental handpiece. Comprising a machine head assembly and a handle assembly, the machine head assembly is connected with the handle assembly, and a female seat is arranged at the rear end of a handle body of the handle assembly; the female seat is connected with a male seat in a tail connector in an inserted mode, and the tail connector is connected with the rear end of the handle body. And the male seat is inserted into the tail joint, or the male seat and the tail joint are integrally formed. The mobile phone handle has the beneficial effects that after the mobile phone is used, the external connecting pipeline is disconnected from the threads of the handle body; the male seat and the female seat as well as the tail joint and the rear end of the handle body are simultaneously separated; and then the disassembled male seat and the tail joint are mounted in a new dental handpiece without the male seat and the tail joint, so that the male seat and the tail joint can be repeatedly used, and the use cost is saved.
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Description

Technical Field

[0001] The utility model relates to the technical field of medical devices, in particular to a visual dental handpiece. Background Art

[0002] Dental handpieces are widely used in dental treatment. However, in existing dental handpieces, especially visual dental handpieces, there are multiple groups of signal lines and power lines, which are connected to the same connector. Since disposable handpieces need to be replaced after use, the connector also needs to be discarded together with the handpiece when replacing the handpiece. Due to the high price of the metal in the connector, the use cost is increased.

[0003] In view of this, the present utility model is proposed. Summary of the Utility Model

[0004] The purpose of the present utility model is to provide a visual dental handpiece to solve the technical problems existing in the prior art.

[0005] To achieve the above purpose, the technical solution adopted by the present utility model is: a visual dental handpiece, comprising: a head assembly and a handle assembly, the head assembly is connected to the handle assembly, and a female seat is arranged at the rear end of the handle body of the handle assembly; the female seat is inserted into the male seat in the tail connector, and the tail connector is joined to the rear end of the handle body; the male seat is inserted into the tail connector, or the male seat is integrally formed with the tail connector.

[0006] In an optional embodiment, a first insertion terminal, a second insertion terminal and a third insertion terminal are arranged on the female seat; a first jack, a second jack and a third jack are arranged on the male seat;

[0007] A first pipeline, a second pipeline, a third pipeline and a fourth pipeline penetrate through the rear end of the handle body; a first interface, a second interface, a third interface and a fourth interface are arranged on the tail connector;

[0008] When the tail connector is joined to the rear end of the handle body, the first insertion terminal, the second insertion terminal and the third insertion terminal are respectively inserted into the first jack, the second jack and the third jack; the first pipeline, the second pipeline, the third pipeline and the fourth pipeline are respectively communicated with the first interface, the second interface, the third interface and the fourth interface.

[0009] In an optional embodiment, a first output terminal, a second output terminal and a third output terminal are further arranged on the male seat; a fifth interface is arranged on the tail connector;

[0010] When the tail connector is joined to the rear end of the handle body, the first output terminal, the second output terminal and the third output terminal extend into the fifth interface.

[0011] In an alternative embodiment, a first installation cavity is formed in the nose body of the nose head assembly. An endoscope body of the visualization assembly is disposed in the first installation cavity. A nozzle assembly is further provided on the nose head assembly. The axes of the visualization assembly and the nozzle assembly are parallel. The endoscope body of the visualization assembly is disposed toward the output end of the nose head assembly. The nozzle assembly changes the direction and shape of the medium and transfers the medium to the front of the endoscope body.

[0012] In an alternative embodiment, the nozzle assembly includes a connecting column. A guiding cap is disposed above the connecting column. The diameter of the guiding cap is larger than that of the connecting column.

[0013] In an alternative embodiment, a slot is formed in the guiding cap, and an arc surface is formed inside the guiding cap through the slot. The opening direction of the slot is disposed toward the endoscope body. The medium channel inside the connecting column extends to the slot. The connecting column of the nozzle assembly is fixedly installed in a second installation cavity of the nose head assembly.

[0014] In an alternative embodiment, the end of the cover body of the visualization assembly is a lens. The cover body and the lens are integrally formed, and the cover body is light-tight. A plurality of LED lights are uniformly arranged on the outer peripheral side of the cover body.

[0015] In an alternative embodiment, the cover body is in limit fixed connection with a support ring. The support ring is fixedly installed in a top groove of the first installation cavity. A plurality of LED lights are fixedly installed on the support ring. After the plurality of LED lights are installed, the whole is located in the top groove.

[0016] In an alternative embodiment, the medium passing through the nozzle assembly forms an air curtain or a water curtain with a certain thickness, and the air curtain or the water curtain covers the entire lens.

[0017] In an alternative embodiment, the lens is a sapphire lens.

[0018] The beneficial effect of the present utility model is that after the mobile phone is used, the external connection pipeline is disconnected from the thread of the handle body; the male seat and the female seat, and the tail joint and the rear end of the handle body are simultaneously separated; then the removed male seat and tail joint are installed in a new dental handpiece without a male seat and a tail joint, and the male seat and the tail joint can be reused, saving the use cost. Description of the Drawings

[0019] To more clearly illustrate the technical solutions in the embodiments of the present utility model, the following will briefly introduce the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings in the following description are only some embodiments of the present utility model. For those of ordinary skill in the art, without creative efforts, other drawings can also be obtained based on these drawings.

[0020] Figure 1 Schematic diagram of the overall structure of a visual dental handpiece provided by an embodiment of the present utility model Figure 1 。

[0021] Figure 2 Schematic diagram of the partial structure of a visual dental handpiece provided by an embodiment of the present utility model.

[0022] Figure 3 For Figure 2 The enlarged structure schematic diagram at position A in

[0023] Figure 4 Schematic diagram of the overall structure of a visual dental handpiece provided by an embodiment of the present utility model Figure 2 。

[0024] Figure 5 For Figure 4 The enlarged structure schematic diagram at position B in

[0025] Figure 6 Schematic diagram of the structure of the handpiece assembly provided by an embodiment of the present utility model Figure 1 。

[0026] Figure 7 Schematic diagram of the structure of the handpiece assembly provided by an embodiment of the present utility model Figure 2 。

[0027] Figure 8 Schematic diagram of the structure of the nozzle assembly provided by an embodiment of the present utility model.

[0028] Figure 9 Schematic diagram of the structure of the tail joint provided by an embodiment of the present utility model.

[0029] Figure 10 Schematic diagram of the structure of the male seat in the tail joint provided by an embodiment of the present utility model.

[0030] Among them, the reference numerals in the figure are:

[0031] 1 - Handpiece assembly, 11 First installation cavity, 12 - Groove, 13 - Second installation cavity, 14 - Output end;

[0032] 2 - Handle assembly, 21 - Tail joint, 211 - Fifth interface, 212 - Fourth interface, 213 - Third interface, 214 - Second interface, 215 - First interface, 216 - Slot, 217 - Male seat, 2171 - First jack, 2172 - Second jack, 2173 - Third jack, 2174 - First output terminal, 2175 - Second output terminal, 2176 - Third output terminal; 22 - Handle body, 221 - Female seat, 2211 - First plug - in terminal, 2212 - Second plug - in terminal, 2213 - Third plug - in terminal, 222 - First pipeline, 223 - Second pipeline, 224 - Third pipeline, 225 - Fourth pipeline, 226 - Thread;

[0033] 3 - Visualization component, 31 - Endoscope body, 32 - Lens, 33 - Cover, 34 - Support ring, 35 - LED lamp, 36 - Rear cable, 37 - Front cable, 38 - Connection end.

[0034] 4 - Nozzle assembly, 41 - Connecting column, 42 - Guide cap, 43 - Medium channel, 44 - Curved surface. Detailed implementation manners

[0035] In order to make the technical problems, technical solutions and beneficial effects to be solved by the present utility model more clear and understandable, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present utility model and are not used to limit the present utility model.

[0036] It should be noted that when a component is referred to as "fixed to" or "disposed on" another component, it can be directly or indirectly located on the other component. When a component is referred to as "connected to" another component, it can be directly or indirectly connected to the other component. The orientations or positions indicated by the terms "upper", "lower", "left", "right", "front", "rear", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. are based on the orientations or positions shown in the accompanying drawings, and are only for the convenience of description and cannot be construed as a limitation to the technical solution of the present application. The terms "first" and "second" are only used for the purpose of convenient description and cannot be construed as indicating or implying relative importance or implicitly specifying the number of technical features. The meaning of "a plurality" is two or more, and the meaning of "several" is any number including one, unless otherwise specifically defined.

[0037] Please refer to the attached Figure 1-10, the purpose of this embodiment is to provide a visual dental handpiece, including: a head component 1 and a handle component 2. The head component 1 is connected to the handle component 2. A female socket 221 is provided at the rear end of the handle body 22 of the handle component 2; the female socket 221 is inserted into the male socket 217 in the tail joint 21, and the tail joint 21 is joined to the rear end of the handle body 22; the male socket 217 is inserted into the tail joint 21, or the male socket 217 is integrally formed with the tail joint 21; when the male socket 217 is inserted into the tail joint 21, a slot 216 is provided in the tail joint 21.

[0038] In this embodiment, a first insertion terminal 2211, a second insertion terminal 2212, and a third insertion terminal 2213 are provided on the female socket 221; a first jack 2171, a second jack 2172, and a third jack 2173 are provided on the male socket 217; a first pipeline 222, a second pipeline 223, a third pipeline 224, and a fourth pipeline 225 penetrate through the rear end of the handle body 22; a first interface 215, a second interface 214, a third interface 213, and a fourth interface 212 are provided on the tail joint 21; when the tail joint 21 is joined to the rear end of the handle body 22, the first insertion terminal 2211, the second insertion terminal 2212, and the third insertion terminal 2213 are respectively inserted into the first jack 2171, the second jack 2172, and the third jack 2173; the first pipeline 222, the second pipeline 223, the third pipeline 224, and the fourth pipeline 225 are respectively in communication with the first interface 215, the second interface 214, the third interface 213, and the fourth interface 212. A first output terminal 2174, a second output terminal 2175, and a third output terminal 2176 are further provided on the male socket 217; a fifth interface 211 is provided on the tail joint 21; when the tail joint 21 is joined to the rear end of the handle body 22, the first output terminal 2174, the second output terminal 2175, and the third output terminal 2176 extend into the fifth interface 211.

[0039] It should be noted that the first insertion terminal 2211, the second insertion terminal 2212, and the third insertion terminal 2213 are respectively a group, and respectively conduct the power supply terminal of the endoscope camera, the signal terminal of the endoscope camera, and the power supply terminal of the LED lamp 35. Similarly, the first output terminal 2174, the second output terminal 2175, and the third output terminal 2176 also respectively correspond to the power supply terminal of the endoscope camera, the signal terminal of the endoscope camera, and the power supply terminal of the LED lamp 35. The first pipeline 222, the second pipeline 223, the third pipeline 224, and the fourth pipeline 225 can selectively provide media for the pneumatic impeller, nozzle assembly 4, etc. inside the head.

[0040] After the mobile phone is used up, disconnect the external connecting pipeline from the thread 226 of the handle body 22; simultaneously disconnect the male seat 217 from the female seat 221 and the tail joint 21 from the rear end of the handle body 22; then install the male seat 217 and the tail joint 21 into a new dental handpiece without a male seat and a tail joint. The male seat and the tail joint can be reused, saving the usage cost.

[0041] It is worth mentioning that a first installation cavity 11 is formed in the nose piece body of the nose piece assembly 1, and the endoscope body 31 of the visualization assembly 3 is arranged in the first installation cavity 11. A nozzle assembly 4 is further arranged on the nose piece assembly 1. The axes of the nozzle assembly 4 and the visualization assembly 3 are parallel; the endoscope body 31 of the visualization assembly 3 is arranged towards the output end 14 of the nose piece assembly 1; the nozzle assembly 4 changes the direction and shape of the medium and transfers the medium to the front of the endoscope body 31.

[0042] Among them, the nozzle assembly 4 includes a connecting column 41, and a guiding cap 42 is arranged above the connecting column 41. The diameter of the guiding cap 42 is larger than that of the connecting column 41. A slot is formed in the guiding cap 42, and an arc surface 44 is formed on the inner side of the guiding cap 42 through the slot. The opening direction of the slot is arranged towards the endoscope body 31; the medium channel 43 inside the connecting column 41 extends to the slot. In this embodiment, the medium passing through the nozzle assembly 4 is gas or liquid. Through the above structure, the medium changes the flow direction and shape under the action of the arc surface 44 to form an air curtain or a water curtain with a certain thickness. The air curtain or the water curtain covers the entire sapphire lens, and the air curtain or the water curtain fits the surface of the sapphire lens, ensuring that other impurities do not enter the lens area and ensuring clear vision. The connecting column 41 of the nozzle assembly 4 is fixedly installed in the second installation cavity 13 of the nose piece assembly 1.

[0043] Specifically, the front end of the endoscope body 31 can be inserted into the cover body 33. The end of the cover body 33 is a lens 32. The cover body 33 and the lens 32 are integrally formed. A plurality of LED lights 35 are evenly arranged on the outer peripheral side of the cover body 33. The cover body 33 is fixedly connected with the support ring 34 in a limiting manner. The support ring 34 is fixedly installed in the top groove 12 of the first installation cavity 11. A plurality of LED lights 35 are fixedly installed on the support ring 34, and the whole is located in the top groove 12 after the installation of the plurality of LED lights 35. Moreover, the cover body 33 is light-tight, so that the light source generated by the LED lights no longer passes through the sapphire lens, avoiding the generation of glare and improving the clarity of the endoscope imaging.

[0044] The above are only the preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent replacements, and improvements made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A visual dental handpiece, characterized in that, Comprising: A head component (1) and a handle component (2), the head component (1) being connected to the handle component (2), and a female seat (221) being provided at the rear end of a handle body (22) of the handle component (2); the female seat (221) is inserted into a male seat (217) in a tail joint (21), and the tail joint (21) is joined to the rear end of the handle body (22); the male seat (217) is inserted into the tail joint (21), or the male seat (217) is integrally formed with the tail joint (21).

2. The visual dental handpiece according to claim 1, wherein A first insertion terminal (2211), a second insertion terminal (2212) and a third insertion terminal (2213) are provided on the female seat (221); a first jack (2171), a second jack (2172) and a third jack (2173) are provided on the male seat (217); A first pipeline (222), a second pipeline (223), a third pipeline (224) and a fourth pipeline (225) pass through the rear end of the handle body (22); a first interface (215), a second interface (214), a third interface (213) and a fourth interface (212) are provided on the tail joint (21); When the tail joint (21) is joined to the rear end of the handle body (22), the first insertion terminal (2211), the second insertion terminal (2212) and the third insertion terminal (2213) are respectively inserted into the first jack (2171), the second jack (2172) and the third jack (2173); the first pipeline (222), the second pipeline (223), the third pipeline (224) and the fourth pipeline (225) are respectively in communication with the first interface (215), the second interface (214), the third interface (213) and the fourth interface (212).

3. The visualized dental handpiece according to claim 2, wherein A first output terminal (2174), a second output terminal (2175) and a third output terminal (2176) are further provided on the male seat (217); a fifth interface (211) is provided on the tail joint (21); When the tail joint (21) is joined to the rear end of the handle body (22), the first output terminal (2174), the second output terminal (2175) and the third output terminal (2176) extend into the fifth interface (211).

4. The visual dental handpiece according to claim 1, wherein, A first installation cavity (11) is formed in a head body of the head component (1), an endoscope body (31) of a visualization component (3) is disposed in the first installation cavity (11), a nozzle component (4) is further provided on the head component (1), and axes of the visualization component (3) and the nozzle component (4) are parallel; the endoscope body (31) of the visualization component (3) is disposed towards an output end (14) of the head component (1); the nozzle component (4) changes the direction and shape of a medium and transfers the medium to the front of the endoscope body (31).

5. The visual dental handpiece according to claim 4, wherein The nozzle assembly (4) includes a connecting column (41), and a guiding cap (42) is arranged above the connecting column (41). The diameter of the guiding cap (42) is larger than that of the connecting column (41).

6. The visual dental handpiece according to claim 5, wherein A slot is formed in the guiding cap (42), and an arc surface (44) is formed inside the guiding cap (42) through the slot. The opening direction of the slot faces the endoscope body (31); a medium channel (43) inside the connecting column (41) extends to the slot; the connecting column (41) of the nozzle assembly (4) is fixedly installed in a second installation cavity (13) of the machine head assembly (1).

7. The visual dental handpiece according to claim 6, wherein The end of the cover body (33) in the visualization assembly (3) is a lens (32). The cover body (33) and the lens (32) are integrally formed, and the cover body (33) is light-tight; a plurality of LED lights (35) are evenly arranged on the outer peripheral side of the cover body (33).

8. The visual dental handpiece according to claim 7, wherein The cover body (33) is fixedly connected to the support ring (34) in a limited way. The support ring (34) is fixedly installed in a top groove (12) of the first installation cavity (11). A plurality of LED lights (35) are fixedly installed on the support ring (34), and after the installation of the plurality of LED lights (35) is completed, the whole is located in the top groove (12).

9. The visual dental handpiece according to claim 8, wherein, The medium passing through the nozzle assembly (4) forms an air curtain or a water curtain with a certain thickness, and the air curtain or the water curtain covers the entire lens (32).

10. The visual dental handpiece according to claim 9, wherein The lens (32) is a sapphire lens.