CN219148012U

CN219148012U - Handle for oral cavity laser medical equipment

Info

Publication number: CN219148012U
Application number: CN202223541487.3U
Authority: CN
Inventors: 夏永良; 刘新; 何丰
Original assignee: Wuhan Medfibers Technology Co ltd
Current assignee: Wuhan Medfibers Technology Co ltd
Priority date: 2022-12-29
Filing date: 2022-12-29
Publication date: 2023-06-09
Anticipated expiration: 2032-12-29

Abstract

The utility model provides a handle for oral laser medical equipment, which comprises a handle assembly, a needle head assembly and a fixed cover, wherein the handle assembly comprises a handle body, a cavity, an input optical fiber and a lens sheet; the needle head assembly comprises a needle seat, a core insert and an output optical fiber, the core insert is positioned in the cavity, and the core insert is abutted against the lens sheet; the output optical fiber is fixedly arranged at one end of the needle seat far away from the lock pin, and the output optical fiber is abutted against the lock pin; the fixed cover is used for fixing the needle seat on the handle body; the lens assembly comprises a lens sheet, a lens holder, a lens, a limiting mechanism and a lens, wherein the lens holder is used for fixing the lens holder, and the lens holder is used for fixing the lens holder. According to the utility model, the limiting mechanism is arranged, so that when the needle head assembly is replaced, the limiting mechanism can prevent the insert core and the lens sheet from rotating relatively, thereby avoiding friction damage of the insert core to the lens sheet and ensuring long-term use of the device.

Description

Handle for oral cavity laser medical equipment

Technical Field

The utility model relates to the technical field of laser handles, in particular to a handle for oral laser medical equipment.

Background

The oral cavity laser medical equipment is a new means for treating oral diseases, and flexible and slim optical fibers are arranged on an operating handle of the oral cavity laser medical equipment, so that the oral cavity laser medical equipment can randomly enter the periodontal pocket bottom and any area in an oral cavity to rapidly treat focus parts; in order to prevent cross infection of the patient caused by the operation handle of the oral laser medical device, the needle head assembly on the handle of the oral laser medical device needs to be replaced and disinfected after the oral laser medical device is used.

The utility model of the prior publication No. CN208260018U discloses a dental laser treatment optical fiber cutter head and a dental laser treatment machine, wherein a light guide optical fiber and an imaging focusing lens are arranged in a handle base body, a built-in bare optical fiber is arranged in a bendable dental optical needle tip, and the laser beam input from the outside can be transmitted into the oral cavity of a patient to carry out focus treatment operation by utilizing the coupling of the light guide optical fiber, the handle base body and the bendable dental optical needle tip are detachably connected, and the bendable dental optical needle tip can be replaced and disinfected after the device is used so as to realize the effect of preventing cross infection of the patient.

Disclosure of Invention

In view of the above, the present utility model provides a handle for oral laser medical devices, which can prevent the insert from damaging the lens sheet when the needle assembly is replaced, and ensure the long-term use of the device.

The technical scheme of the utility model is realized as follows: the utility model provides a handle for oral laser medical equipment, which comprises a handle component, a needle component and a fixed cover, wherein,

the handle assembly comprises a handle body, a cavity, an input optical fiber and a lens sheet, wherein the cavity is arranged in the handle body; one end of the input optical fiber is fixedly arranged in the cavity; the lens sheet is arranged in the cavity, and is in sliding connection with the cavity, and the lens sheet abuts against the input optical fiber;

the needle head assembly comprises a needle seat, an inserting core and an output optical fiber, wherein the inserting core is fixedly arranged at one end of the needle seat, the inserting core is positioned at one end, far away from the input optical fiber, of the cavity, and the inserting core is abutted against the lens sheet; the output optical fiber is fixedly arranged at one end of the needle seat far away from the lock pin, and the output optical fiber is abutted against the lock pin;

the fixed cover is used for fixing the needle seat on the handle body;

the lens assembly comprises a lens sheet, a lens holder, a lens, a limiting mechanism and a lens, wherein the lens holder is used for fixing the lens holder, and the lens holder is used for fixing the lens holder.

On the basis of the technical proposal, preferably, the limiting mechanism comprises a ring plate and a limiting plate, wherein,

the annular plate is fixedly arranged in the cavity, and the annular plate is abutted against the lens sheet;

the limiting plate is fixedly arranged at one end of the needle seat, which is close to the lock pin, and the limiting plate is in sliding connection with the annular plate.

Still further preferably, the ring plates are provided in two, and the two ring plates are symmetrically disposed about a center line of the cavity.

Still further preferably, two limiting plates are provided, and the two limiting plates are symmetrically provided with respect to a center line of the cavity.

On the basis of the technical scheme, preferably, the fixed cover comprises a pipe body and a clamping groove, and the clamping groove is formed in the pipe body;

the handle assembly further comprises a connecting groove, the connecting groove is formed in one end, close to the needle seat, of the handle body, and the connecting groove is clamped with the clamping groove.

Still further preferably, the fixing cover further comprises a supporting groove, and the supporting groove is formed in the clamping groove;

the needle seat comprises a seat body and a wing plate, wherein the seat body is arranged in the pipe body and is connected with the pipe body in a clearance fit manner; the wing plate is fixedly arranged on the seat body, and the wing plate abuts against the abutting groove.

Still more preferably, the outer side of the pipe body is provided with anti-skid patterns.

On the basis of the technical scheme, preferably, the needle head assembly further comprises a steel tube, the steel tube is fixedly arranged at one end of the needle seat, which is close to the output optical fiber, and the steel tube is positioned at the outer side of the output optical fiber.

On the basis of the above technical solution, preferably, a chamfer is provided at one end of the ferrule near the lens sheet.

On the basis of the technical scheme, preferably, the surface of the lens sheet is plated with an antireflection film.

Compared with the prior art, the handle for the oral laser medical equipment has the following beneficial effects:

(1) By arranging the limiting mechanism, when the needle head assembly is replaced, the limiting mechanism can prevent the insert core and the lens sheet from rotating relatively, so that friction damage of the insert core to the lens sheet is avoided, and long-term use of the device is ensured;

(2) Through setting up the annular plate into two, and let two annular plates symmetry set up, after taking out one section distance with input optic fibre, can make the lens take place to rotate earlier, take out the lens after will rotating along the gap between two annular plates again, made things convenient for lens change operation.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is an exploded view of an oral laser medical device of the present utility model at a handle retaining cap;

FIG. 2 is a front view of a handle for an oral laser medical device of the present utility model;

FIG. 3 is a perspective view of a needle assembly in a handle for an oral laser medical device according to the present utility model;

FIG. 4 is a perspective view of the end of a handle assembly in a handle for an oral laser medical device in accordance with the present utility model;

FIG. 5 is an internal cross-sectional view of a stationary shield in a handle for an oral laser medical device of the present utility model;

FIG. 6 is a cross-sectional view of the handle for an oral laser medical device of the present utility model at the fixed mask portion stop plate;

fig. 7 is a cross-sectional view of a handle for an oral laser medical device of the present utility model at a ring plate at a location where a cap is to be secured.

Wherein: 1. a handle assembly; 11. a handle body; 12. a cavity; 13. an input optical fiber; 14. a lens sheet; 15. a connecting groove; 2. a needle assembly; 21. a needle stand; 211. a base; 212. a wing plate; 22. a core insert; 23. an output optical fiber; 24. a steel pipe; 3. a fixed cover; 31. a pipe body; 32. a clamping groove; 33. a holding groove; 4. a limiting mechanism; 41. a ring plate; 42. and a limiting plate.

Detailed Description

The following description of the embodiments of the present utility model will clearly and fully describe the technical aspects of the embodiments of the present utility model, and it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present utility model without making any inventive effort, are intended to fall within the scope of the present utility model.

As shown in fig. 1 to 7, a handle for an oral laser medical device of the present utility model includes a handle assembly 1, a needle assembly 2, a fixed cover 3, and a stopper mechanism 4.

The handle assembly 1 is used for being held and controlled by an operator, the handle assembly 1 comprises a handle body 11, a cavity 12, an input optical fiber 13 and a lens sheet 14, the cavity 12 is arranged in the handle body 11, and the cavity 12 is a cylindrical through hole; one end of the input optical fiber 13 is fixedly arranged in the cavity 12; the lens sheet 14 is arranged in the cavity 12, the lens sheet 14 is connected with the cavity 12 in a sliding way, and the lens sheet 14 abuts against the input optical fiber 13; when the device is used, laser emitted by the laser emitter in the oral cavity laser medical equipment is conveyed to the inside of the handle body 11 through the input optical fiber 13 and then irradiates on the lens sheet 14, so that the transmission of the laser from the oral cavity laser medical equipment to the handle body 11 is realized.

The needle head assembly 2 is used for carrying out contact treatment with a focus part of a patient, the needle head assembly 2 comprises a needle seat 21, a core insert 22 and an output optical fiber 23, the core insert 22 is fixedly arranged at one end of the needle seat 21, the core insert 22 is positioned at one end, far away from the input optical fiber 13, of the cavity 12, and the core insert 22 is abutted against the lens sheet 14; the output optical fiber 23 is fixedly arranged at one end of the needle seat 21 far away from the insertion core 22, and the output optical fiber 23 is abutted against the insertion core 22; the laser irradiated onto the lens sheet 14 is irradiated onto the ferrule 22 again, and then irradiated onto the focus part of the patient through the output optical fiber 23, so that the focus part of the oral cavity of the patient is treated; specifically, a chamfer may be disposed at one end of the insert 22 near the lens sheet 14, so as to reduce the area of the insert 22 near one end of the lens sheet 14, and enable the insert 22 to be more conveniently inserted into the cavity 12; specifically, an antireflection film may be plated on the surface of the lens sheet 14 in order to increase the light transmittance of the lens sheet 14.

Optionally, a steel tube 24 may be disposed on the needle assembly 2, where the steel tube 24 is fixedly disposed at one end of the hub 21 near the output optical fiber 23, and the steel tube 24 is located outside the output optical fiber 23, and the steel tube 24 protects one end of the output optical fiber 23 near the hub 21, so as to prevent the output optical fiber 23 from breaking.

The fixing cover 3 is used for fixing the needle seat 21 on the handle body 11, and plays a role of connecting the handle assembly 1 and the needle assembly 2 and conducting the ferrule 22 and the lens sheet 14.

As a preferred embodiment, the fixed cover 3 includes a pipe body 31 and a clamping groove 32, and the clamping groove 32 is formed in the pipe body 31; the handle assembly 1 further comprises a connecting groove 15, wherein the connecting groove 15 is formed at one end of the handle body 11 close to the needle seat 21, and the connecting groove 15 is clamped with the clamping groove 32; as shown in fig. 4 to 6, the pipe body 31 and the handle body 11 can be fixed by the clamping connection of the clamping connection groove 32 and the connecting groove 15, so that the fixed cover 3 and the handle assembly 1 can be fixed; the fixed cover 3 further comprises a supporting groove 33, and the supporting groove 33 is arranged in the clamping groove 32; the needle seat 21 comprises a seat body 211 and a wing plate 212, the seat body 211 is arranged in the pipe body 31, and the seat body 211 is connected with the pipe body 31 in a clearance fit manner; the wing plate 212 is fixedly arranged on the seat body 211, and the wing plate 212 is propped against the propping groove 33; as shown in fig. 4, 6 and 7, the base 211 can be abutted and fixed on the handle body 11 by the abutting of the abutting groove 33 on the wing plate 212, so that the fixed cover 3 achieves the effect of connecting the handle assembly 1 and the needle assembly 2; specifically, anti-slip lines can be formed on the outer side of the pipe body 31, so that friction between the pipe body 31 and an operator is increased, and sliding is prevented when the pipe body 31 is operated.

The stop gear 4 is used for spacing the lock pin 22, prevents that the lock pin 22 from rotating relative to the lens sheet 14, and when the device finishes the use, when changing the syringe needle subassembly 2, stop gear 4 can prevent that the lock pin 22 from rotating, avoids the friction damage of lens sheet 14, has ensured the permanent use of device.

As a preferred embodiment, the limiting mechanism 4 includes a ring plate 41 and a limiting plate 42, the ring plate 41 is fixedly arranged in the cavity 12, the ring plate 41 abuts against the lens sheet 14, and the lens sheet 14 is fixed by the ring plate 41; the limiting plate 42 is fixedly arranged at one end of the needle seat 21, which is close to the ferrule 22, the limiting plate 42 is in sliding connection with the annular plate 41, and the sliding direction of the limiting plate 42 and the annular plate 41 is parallel to the axis direction of the ferrule 22, so that when the ferrule 22 is dismounted, the rotation friction between the ferrule 22 and the lens sheet 14 can be prevented by utilizing the cooperation of the limiting plate 42 and the annular plate 41, and the damage of the ferrule 22 to the lens sheet 14 is avoided.

Further, two ring plates 41 may be provided, and the two ring plates 41 are symmetrically provided with respect to the center line of the cavity 12; the setting of this kind of mode not only can promote the fixed stability of annular plate 41, still plays the effect of conveniently carrying out the dismouting to lens piece 14, as shown in fig. 7, when pull down fixed cover 3 and needle subassembly 2, at first with the distance that is greater than lens piece 14 diameter length with input optic fibre 13 pulling right, then stretch into lens piece 14 with tweezers by the left end of cavity 12 and centre gripping, then rotate lens piece 14 to the horizontality, can make lens piece 14 pass the gap of two annular plates 41 and take out from cavity 12, this process need not to carry out whole dismantlement to input optic fibre 13, has promoted the maintenance efficiency of lens piece 14.

Further, in order to improve the connection stability of the needle holder 21, two limiting plates 42 may be provided, and the two limiting plates 42 are symmetrically disposed about the center line of the cavity 12, as shown in fig. 3 and 4, so that the limiting plates 42 and the ring plate 41 are alternately inserted.

The application method of the handle for the oral laser medical equipment comprises the following steps:

when the needle assembly 2 needs to be replaced, the tube body 31 is pulled towards the end far away from the handle body 11, the tube body 31 is separated from the handle body 11, then the used needle assembly 2 is pulled out and placed in the recovery area, then a new needle assembly 2 is taken out, the ferrule 22 is inserted into the cavity 12, the limiting plate 42 and the annular plate 41 in the cavity 12 are ensured to be alternately inserted, finally the tube body 31 is sleeved on the needle assembly 2 from the end far away from the handle body 11 of the needle assembly 2, and the clamping groove 32 and the connecting groove 15 are clamped by utilizing the manner of extruding the tube body 31, so that the wing plate 212 is fixed by the abutting groove 33.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the utility model.

Claims

1. A handle for oral laser medical equipment comprises a handle component (1), a needle component (2) and a fixed cover (3), wherein,

the handle assembly (1) comprises a handle body (11), a cavity (12), an input optical fiber (13) and a lens sheet (14), wherein the cavity (12) is arranged in the handle body (11); one end of the input optical fiber (13) is fixedly arranged in the cavity (12); the lens sheet (14) is arranged in the cavity (12), the lens sheet (14) is connected with the cavity (12) in a sliding mode, and the lens sheet (14) abuts against the input optical fiber (13);

the needle head assembly (2) comprises a needle seat (21), an inserting core (22) and an output optical fiber (23), wherein the inserting core (22) is fixedly arranged at one end of the needle seat (21), the inserting core (22) is positioned at one end, far away from the input optical fiber (13), of the cavity (12), and the inserting core (22) is abutted against the lens sheet (14); the output optical fiber (23) is fixedly arranged at one end of the needle seat (21) far away from the inserting core (22), and the output optical fiber (23) is abutted against the inserting core (22);

the fixed cover (3) is used for fixing the needle seat (21) on the handle body (11);

the method is characterized in that: the lens assembly further comprises a limiting mechanism (4), wherein the limiting mechanism (4) is used for limiting the inserting core (22) and preventing the inserting core (22) from rotating relative to the lens sheet (14).

2. A handle for an oral laser medical device as defined in claim 1, wherein: the limiting mechanism (4) comprises a ring plate (41) and a limiting plate (42), wherein,

the annular plate (41) is fixedly arranged in the cavity (12), and the annular plate (41) is abutted against the lens sheet (14);

the limiting plate (42) is fixedly arranged at one end, close to the ferrule (22), of the needle seat (21), and the limiting plate (42) is in sliding connection with the annular plate (41).

3. A handle for an oral laser medical device as defined in claim 2, wherein: the number of the annular plates (41) is two, and the two annular plates (41) are symmetrically arranged about the central line of the cavity (12).

4. A handle for an oral laser medical device as defined in claim 3, wherein: two limiting plates (42) are arranged, and the two limiting plates (42) are symmetrically arranged about the central line of the cavity (12).

5. A handle for an oral laser medical device as defined in claim 1, wherein: the fixed cover (3) comprises a pipe body (31) and a clamping groove (32), and the clamping groove (32) is formed in the pipe body (31);

the handle assembly (1) further comprises a connecting groove (15), the connecting groove (15) is formed in one end, close to the needle seat (21), of the handle body (11), and the connecting groove (15) is clamped with the clamping groove (32).

6. A handle for an oral laser medical device as defined in claim 5, wherein: the fixed cover (3) further comprises a supporting groove (33), and the supporting groove (33) is formed in the clamping groove (32);

the needle seat (21) comprises a seat body (211) and a wing plate (212), the seat body (211) is arranged in the pipe body (31), and the seat body (211) and the pipe body (31) are connected in a clearance fit mode; the wing plate (212) is fixedly arranged on the base body (211), and the wing plate (212) is propped against the propping groove (33).

7. A handle for an oral laser medical device as defined in claim 6, wherein: anti-skid patterns are formed on the outer side of the pipe body (31).

8. A handle for an oral laser medical device as defined in claim 1, wherein: the needle head assembly (2) further comprises a steel tube (24), the steel tube (24) is fixedly arranged at one end of the needle seat (21) close to the output optical fiber (23), and the steel tube (24) is positioned at the outer side of the output optical fiber (23).

9. A handle for an oral laser medical device as defined in claim 1, wherein: a chamfer is arranged at one end of the insert core (22) close to the lens sheet (14).

10. A handle for an oral laser medical device as defined in claim 1, wherein: the surface of the lens sheet (14) is plated with an antireflection film.