CN202161409U

CN202161409U - Handle of laser treatment device

Info

Publication number: CN202161409U
Application number: CN2011200989538U
Authority: CN
Inventors: 李鹏; 高国江; 曹志勇
Original assignee: TIANJIN BINGHAI INDUSTRIAL PARK HUAYI PHOTOELECTRICITY TECHNOLOGY Co Ltd
Current assignee: TIANJIN BINGHAI INDUSTRIAL PARK HUAYI PHOTOELECTRICITY TECHNOLOGY Co Ltd
Priority date: 2011-04-07
Filing date: 2011-04-07
Publication date: 2012-03-14
Anticipated expiration: 2021-04-07

Abstract

The utility model relates to a handle of a laser treatment device, which comprises a handle body and an optical fiber joint. An end of the optical fiber which is inserted in a coaxial chamber in the handle body is connected with an inside end of the optical fiber joint that is inserted into the end of the handle body. A plurality of light balancing devices which introduce the optical fiber out are successively inserted separately and coaxially in an outer end of the optical fiber joint. The handle of the laser treatment device has the following advantages: low cost and simple structure. After the laser which is introduced out through the optical fiber is collected through a cylindrical lens, a light spot area is formed. The laser in the light spot area is uniform, and furthermore the edge of the light spot area is very clear. Simultaneously a transparent coating on a transparent flat sheet ensures passing-through of a laser beam. Small power attenuation is obtained. The finally transmitted-out laser has the following advantages: uniform power, uniform density and high stability.

Description

The laser medical device handle

Technical field

This utility model belongs to laser medicine health care facility field, especially a kind of laser medical device handle.

Background technology

Laser is widely used in different field, as: military field, medical field etc., used a large amount of laser operation equipments and laser health care facility etc. in medical field.In these equipment; Laser transmits through optical fiber, and such as a kind of common laser medical device handle, its structure is: comprise handle main body and SMA905 fibre-optical splice; Setting-in optical fiber in the coaxial cavity in the handle main body; The end of this optical fiber connects the SMA905 fibre-optical splice that is inlaid in the handle main body end, and the laser facula that laser is derived behind optical fiber and SMA905 fibre-optical splice is rounded basically, the laser power in its spot area, density and inhomogeneous; And in practical application, the power in the laser facula zone, the uniformity of density are extremely important.At present, the general mode of improving optical fiber coupling situation or improving fiber end face that adopts improves the power in laser facula zone, the uniformity of density, but owing to receive the influence of problems such as processing technique, assembling, is difficult to reach target.

Summary of the invention

The purpose of this utility model is to overcome the deficiency of prior art, provides simple in structure, with low cost and can make the uniform laser medical device handle of power, density of deriving laser.

The technical scheme that this utility model is taked is:

A kind of laser medical device handle; Comprise handle main body and fibre-optical splice; The end of institute's setting-in optical fiber connects the fibre-optical splice medial end that is inlaid in the handle main body end in the coaxial cavity in the handle main body, it is characterized in that: the dodging devices that converge of a plurality of laser that optical fiber is derived of coaxial setting-in at interval successively in the said fibre-optical splice outboard end.

And said dodging device comprises the cylinder mount pad, coaxial setting-in one and the optical fiber connector cylindrical lens of para-position mutually in the cylinder mount pad.

And said cylindrical lens is made up of co-axial newel district and a plurality of circular columns district, along cylindrical lens radially from the inside to the outside the refractive index in center of distribution post district and a plurality of circular columns district reduce successively.

And, the medial end of the outer coaxial package one plain film mounting pipe of said fibre-optical splice outboard end, a plurality of transparent plain films of coaxial setting-in at interval successively in the made light-emitting window of the outboard end of plain film mounting pipe.

And the both ends of the surface of said transparent plain film are provided with penetrating coating.

The advantage and the good effect of this utility model are:

This utility model is with low cost, simple in structure; A plurality of dodging devices are installed on existing handle main body; The laser that optical fiber is derived converges the back through a plurality of cylindrical lens and forms a spot area, and the laser in this spot area is very even, and the border is very clear; The a plurality of transparent plain film of on handle main body, being adorned has improved seal; Reduced the interference of dust and other impurities to laser beam, the penetrating coating on the transparent plain film has guaranteed passing through of laser beam simultaneously, and power attenuation is little; Make laser power, the density of final transmission even, stable.

Description of drawings

Fig. 1 is the structural representation of this utility model;

Fig. 2 is the I portion enlarged drawing of Fig. 1;

Fig. 3 is the axial, cross-sectional view of cylindrical lens;

Fig. 4 is the structural representation of pharyngeal probe.

The specific embodiment

Below in conjunction with embodiment, this utility model is further specified, following embodiment is illustrative, is not determinate, can not limit the protection domain of this utility model with following embodiment.

A kind of laser medical device handle; Shown in Fig. 1～4; Comprise handle main body 1 and fibre-optical splice 3; Setting-in optical fiber 2 in the coaxial cavity in the handle main body, this optical fiber end connect the fibre-optical splice medial end that is inlaid in the handle main body end, the innovation of this utility model is: the dodging devices that converge of a plurality of laser that optical fiber is derived of coaxial setting-in at interval successively in the fibre-optical splice outboard end.

In the present embodiment; Dodging device is installed three altogether; The structure of each dodging device is identical; Its structure is: comprise cylinder mount pad 5, and coaxial setting-in one and the optical fiber connector cylindrical lens 4 of para-position mutually in the cylinder mount pad, the laser that this cylindrical lens is derived optical fiber converges and forms a hot spot.

The structure of cylindrical lens is as shown in Figure 3; Cylindrical lens is made up of co-axial newel district 13 and the first circular column district 12, the second circular column district 11 and the 3rd circular column district 10; Certainly more circular column district also is fine; The concrete number of plies is confirmed according to actual needs; The density in newel district, the first circular column district, the second circular column district and the 3rd circular column district reduces successively, and promptly the refractive index in newel district, the first circular column district, the second circular column district and the 3rd circular column district reduces successively, and the purpose that is provided with like this is constantly to reflect after making laser beam (shown in the arrow among Fig. 3) through different posts district; These refractive laser 14 are converged gradually, and the laser facula density after converging through three cylindrical lens is even, sharpness of border.

Because laser facula is subject to the interference of dust and other impurities; So end of coaxial package one plain film mounting pipe 6 outside the fibre-optical splice outboard end; Make a light-emitting window 8 in the outboard end of plain film mounting pipe; A plurality of transparent plain films 7 of coaxial setting-in at interval successively in this light-emitting window are three transparent plain films in the present embodiment.Transparent plain film and plain film mounting pipe are airtight with dodging device jointly, have completely cut off dust and other impurities, also make to keep clean in the handle main body.Decay for fear of the employed material for laser light light beam of transparent plain film; Both ends of the surface at transparent plain film are provided with penetrating coating 9; The material that this penetrating coating uses has reduced the reflection of laser, has increased the permeability of wavelength at the laser of 400-980nm, has reduced power attenuation.

The process that this utility model is installed is:

1. each element purge with handle main body is clean, with each parts installation and combination of handle main body;

2. cylindrical lens is installed on the cylinder mount pad, then transparent plain film is installed on the plain film mounting pipe, once more clean transparent plain film and cylindrical lens;

3. the cylinder mount pad will be housed be connected with the SMA905 fibre-optical splice, and install with handle main body, last being installed together with the plain film mounting pipe that transparent plain film is housed gets final product.

This utility model is with low cost, simple in structure, and the laser that optical fiber is derived converges the back through cylindrical lens and forms a spot area, and the laser in this spot area is very even, and the border is very clear; Penetrating coating on the transparent plain film has guaranteed passing through of laser beam, and power attenuation is little, makes the laser power of final transmission, density even, and is stable.

Claims

1. laser medical device handle; Comprise handle main body and fibre-optical splice; The end of institute's setting-in optical fiber connects the fibre-optical splice medial end that is inlaid in the handle main body end in the coaxial cavity in the handle main body, it is characterized in that: the dodging devices that converge of a plurality of laser that optical fiber is derived of coaxial setting-in at interval successively in the said fibre-optical splice outboard end.

2. laser medical device handle according to claim 1 is characterized in that: said dodging device comprises the cylinder mount pad, coaxial setting-in one and the optical fiber connector cylindrical lens of para-position mutually in the cylinder mount pad.

3. laser medical device handle according to claim 2; It is characterized in that: said cylindrical lens is made up of co-axial newel district and a plurality of circular columns district, along cylindrical lens radially from the inside to the outside the refractive index in center of distribution post district and a plurality of circular columns district reduce successively.

4. according to claim 1 or 2 or 3 described laser medical device handles; It is characterized in that: the medial end of the outer coaxial package one plain film mounting pipe of said fibre-optical splice outboard end, a plurality of transparent plain films of coaxial setting-in at interval successively in the made light-emitting window of the outboard end of plain film mounting pipe.

5. laser medical device handle according to claim 4 is characterized in that: the both ends of the surface of said transparent plain film are provided with penetrating coating.