CN219290458U

CN219290458U - Dispersion optical fiber with coupler

Info

Publication number: CN219290458U
Application number: CN202320579792.7U
Authority: CN
Inventors: 马冬; 殷志东; 李辉; 郑磊; 许衡; 吴宇杰; 洪琦棱
Original assignee: Nanjing Chunhui Science & Technology Industrial Co ltd
Current assignee: Nanjing Chunhui Science & Technology Industrial Co ltd
Priority date: 2023-03-22
Filing date: 2023-03-22
Publication date: 2023-07-04
Anticipated expiration: 2033-03-22

Abstract

The application relates to a take diffuse optical fiber of coupler, it relates to the medical instrument field, and it includes diffuse optical fiber, be equipped with coupling end and diffuse end on the diffuse optical fiber, the coupling end is equipped with the coupling takeover, the coupling end inserts the coupling takeover, be equipped with the lens in the coupling takeover, be equipped with in the coupling takeover and be used for fixing the metalwork of coupling end, diffuse the end and be equipped with the sandwich layer and wrap up diffuse the layer in the sandwich layer outside. The coupling efficiency between the dispersion optical fiber and the light source generator can be improved.

Description

Dispersion optical fiber with coupler

Technical Field

The application relates to the field of medical instruments, in particular to a dispersion optical fiber with a coupler.

Background

The photosensitive medicine is a medicine which utilizes photochemical reaction to destroy cell structures, and is widely applied to disease treatment, and in the treatment of the photosensitive medicine, illumination is required to be carried out on the photosensitive medicine so as to improve the treatment effect of the photosensitive medicine, and dispersion optical fibers are often adopted to irradiate the photosensitive medicine.

When the dispersion optical fiber is used, the dispersion optical fiber is required to be connected with the light source generator, the existing dispersion optical fiber connector with the coupler comprises an optical fiber body and a connector body, the optical fiber body extends out of the connector body, the connector body is connected with the light source generator when the optical fiber body is connected with the light source generator, and therefore the optical fiber body extends into the light source generator, light is transmitted, however, the light and the optical fiber are not on the same axis, the light cannot be completely coupled into the optical fiber, and coupling efficiency between the dispersion optical fiber and the light source generator is low.

Disclosure of Invention

In order to solve the problem of low coupling efficiency between a dispersion fiber and a light source generator, the application provides a dispersion fiber with a coupler.

The application provides a take dispersion optic fibre of coupler adopts following technical scheme:

the utility model provides a take diffuse optical fiber of coupler, includes diffuse optical fiber, be equipped with coupling end and diffuse end on the diffuse optical fiber, the coupling end is equipped with the coupling takeover, the coupling end inserts the coupling takeover, be equipped with the lens in the coupling takeover, be equipped with in the coupling takeover and be used for fixing the metalwork of coupling end, diffuse end is equipped with the sandwich layer and wraps up the diffuse layer in the sandwich layer outside.

Through adopting above-mentioned technical scheme, when carrying out the leaded light to dispersion optic fibre and being connected, be connected coupling takeover and light source generator, light gets into in the coupling takeover, the lens gathers together light, then at the terminal surface that transmits to dispersion end, the metalwork is coaxial with dispersion optic fibre and lens, thereby make the light intensity that shines dispersion optic fibre terminal surface increase, improve the coupling efficiency between dispersion optic fibre and the light source generator, light is along dispersion optic fibre transmission to dispersion end, disperse the light of the transmission of core layer through the dispersion layer, thereby improve photosensitive medicine light illumination intensity, shorten the treatment time.

In a specific embodiment, a protective end sleeve is provided between the coupling end and the coupling nipple.

By adopting the technical scheme, the dispersed optical fiber is excessively protected by the protection end sleeve.

In a specific embodiment, the dispersion end is sleeved with a metal tube, and the dispersion end extends out of the metal tube.

Through adopting above-mentioned technical scheme, protect dispersion optic fibre through the tubular metal resonator, operating personnel operates dispersion end through handheld tubular metal resonator simultaneously, improves the convenience of dispersion optic fibre operation.

In a specific implementation manner, a glass tube is arranged on the metal tube, one end of the glass tube is closed, one end of the glass tube is communicated with the metal tube, and the dispersing end is positioned in the glass tube.

By adopting the technical scheme, when the dispersion optical fiber irradiates the body of a patient, the glass tube protects the inserted dispersion end, and meanwhile, the optical fiber at the dispersion end can irradiate through the glass Guan Duiguang sensitive medicine.

In a specific embodiment, a protective sleeve is provided on the metal tube, two ends of the protective sleeve are opened, and the metal tube is inserted into the protective sleeve so that the glass tube is inserted into the protective sleeve and extends out.

Through adopting above-mentioned technical scheme, with the protective sheath pipe box on the glass pipe, the metal pipe intubate protection intraductal this moment, protection sleeve can protect the glass pipe, effectively avoids the damage of glass pipe.

In a specific implementation manner, the opening end of the protection sleeve is provided with a strip-shaped hole, one side of the strip-shaped hole penetrates through the end wall of the protection sleeve, the protection sleeve is sleeved with a fastening sleeve, the fastening sleeve is in threaded connection with the opening end of the protection sleeve, the end wall of the protection sleeve is provided with a guide surface, the inner side wall of the fastening sleeve is provided with a push ring, and the push ring presses the guide surface to enable the wall of the protection sleeve to shrink.

Through adopting above-mentioned technical scheme, when protecting the glass tube, establish the cover at the open end of protective casing earlier, then insert the metal tube in the protective casing, then rotatory the cover, the cover moves along the protective casing's axial, push away ring extrusion guide surface this moment, the shrink of protective casing pipe wall and support tightly with the metal tube, thereby it is fixed to realize metal tube and protective casing, improve the stability of metal tube and protective casing's connection, the cover is fixed in the different positions of metal tube simultaneously, make the transparent tube stretch out the length difference of protective casing, thereby realize the regulation to the light irradiation luminance of dispersion optic fibre.

In a specific embodiment, the outer side wall of the fastening sleeve is provided with a plurality of stripes, each stripe is arranged along the axial direction of the fastening sleeve, and a plurality of stripes are arranged along the axial direction of the fastening sleeve.

Through adopting above-mentioned technical scheme, increase operating personnel and the friction of adapter sleeve through a plurality of stripes, improve the pivoted convenience of adapter sleeve.

In a specific embodiment, a sheath tube is arranged between the metal tube and the coupling connection tube, and the dispersion optical fiber is positioned in the sheath tube.

By adopting the technical scheme, the dispersed optical fiber between the metal tube and the coupling adapter tube is protected through the protective sleeve tube.

In summary, the present application includes at least one of the following beneficial technical effects:

1. when the dispersion optical fiber is in light guide connection with the light source generator, the light source irradiates into the coupling adapter tube, then light is gathered through the lens and irradiates onto the end face of the dispersion optical fiber, and the dispersion optical fiber is coaxial with the lens through the metal piece, so that the light transmission intensity of the dispersion optical fiber is increased, and the coupling efficiency between the dispersion optical fiber and the light source generator is improved;

2. the light in the core layer is dispersed through the dispersion layer arranged at the dispersion end, so that the irradiation intensity of the photosensitive medicine is improved, and the treatment time of the photosensitive medicine is shortened;

3. the protection sleeve can protect the glass tube, the fixing sleeve is screwed, the push ring pushes the guide surface to enable the protection sleeve to be abutted against the metal tube, and therefore stability of connection between the metal tube and the protection sleeve is improved.

Drawings

Fig. 1 is a schematic structural diagram of a dispersion fiber with a coupler according to an embodiment of the present application.

Fig. 2 is a cross-sectional view taken along line A-A of fig. 1.

Fig. 3 is an enlarged view of a portion C in fig. 2.

Fig. 4 is a sectional view taken along line B-B of fig. 1.

Fig. 5 is an enlarged view of the portion D in fig. 2.

Fig. 6 is an exploded view for showing the protective sleeve.

Reference numerals illustrate: 1. dispersing the optical fiber; 11. a coupling end; 12. a diffuse end; 121. a core layer; 122. a dispersion layer; 21. a coupling connection pipe; 22. protecting the end sleeve; 23. a metal piece; 24. a lens; 25. a nut; 3. a metal tube; 4. a glass tube; 5. a sheath tube; 6. a protective sleeve; 61. a bar-shaped hole; 62. a guide surface; 63. a fastening sleeve; 64. a push ring; 65. and (3) stripes.

Detailed Description

The present application is described in further detail below in conjunction with figures 1-6.

The embodiment of the application discloses a dispersion optical fiber with a coupler.

Referring to fig. 1, 2 and 3, a dispersion fiber with a coupler includes a dispersion fiber 1, a coupling end 11 and a dispersion end 12 are provided on the dispersion fiber 1, the coupling end 11 is provided with a coupling connection pipe 21, the coupling end 11 is inserted into the coupling connection pipe 21, a protection end sleeve 22 is provided in the coupling connection pipe 21, the coupling end 11 is inserted into the protection end sleeve 22, a metal piece 23 is provided in the protection end sleeve 22, the metal piece 23 is a copper head, the metal piece 23 fixes the coupling end 11 in the protection end sleeve 22, a lens 24 is provided on one side of the coupling connection pipe 21 far from the protection end sleeve 22, and a nut 25 is provided on the outer side wall screw sleeve of the coupling connection pipe 21.

When the dispersion optical fiber 1 is connected with the light source generator, the coupling connecting pipe 21 is inserted into the light source generator, then the light source irradiates the lens 24, then the light is gathered on the dispersion optical fiber 1 through the lens 24, and the light is gathered through the lens 24, so that the light intensity transmitted by the dispersion optical fiber 1 is improved, and the coupling efficiency between the dispersion optical fiber 1 and the light source generator is improved; fixing the dispersion fiber 1 by a metal piece 23 so that the dispersion fiber 1 is coaxial with the lens 24; the dispersed optical fiber 1 is excessively protected through an end sleeve; the nut 25 is screwed on the coupling connecting pipe 21, so that quick connection is realized, the repeatability is good, the consistency is high, and the operation is convenient.

Referring to fig. 1 and 4, the dispersing end 12 includes a core layer 121 and a dispersing layer 122, the core layer 121 is a high refractive index glass core, the dispersing layer 122 in this embodiment is a dispersing agent layer, the dispersing agent is an SPD-Z inorganic powder dispersing agent, the dispersing agent is coated on the outer side of the core layer 121 to form the dispersing layer 122 by curing, and the curing method includes heat curing, photo curing and normal temperature curing, and the dispersing layer 122 may be formed by grinding or etching in other embodiments.

The light is transmitted to the dispersion end 12 through the dispersion optical fiber 1, and the light in the core layer 121 is led out through the dispersion layer 122, so that the circumferential light of the dispersion end 12 is emitted, the illumination area of the dispersion optical fiber 1 to the photosensitive medicine is increased, and the treatment time is shortened.

Referring to fig. 1 and 2, a metal tube 3 is sleeved at a dispersing end 12, the dispersing end 12 extends out of the metal tube 3, a glass tube 4 is arranged on the metal tube 3, one end of the glass tube 4 is closed, one end of the glass tube is communicated with the metal tube 3, the dispersing end 12 is positioned in the glass tube 4, a protective sleeve 5 is arranged between the metal tube 3 and a coupling connecting tube 21, the protective sleeve 5 can be a PVC tube, a stainless steel plastic tube or the like, in the embodiment, the PVC tube is preferred, the protective sleeve 5 is fixedly connected with a protective end sleeve 22, and the dispersing optical fiber 1 is positioned in the protective sleeve 5.

The dispersed optical fiber 1 is protected through the metal tube 3, the glass tube 4 and the protective sleeve 5, so that the damage of the dispersed optical fiber 1 is effectively avoided, and meanwhile, an operator operates the dispersed optical fiber 1 by holding the metal tube 3, so that the convenience of operation of the dispersed optical fiber 1 is improved; the glass tube 4 can protect the dispersing end 12 inserted into the patient, while the light of the dispersing end 12 can irradiate the photosensitizing drug through the glass tube 4.

Referring to fig. 2, 5 and 6, a protection sleeve 6 is provided on the metal tube 3, both ends of the protection sleeve 6 are opened, the metal tube 3 is inserted from one end of the protection sleeve 6, the glass tube 4 is positioned in the protection sleeve 6, the protection sleeve 6 is provided with a plurality of strip holes 61 at one end of the metal tube 3, the side wall of each strip hole 61 is penetrated to the end wall of the protection sleeve 6, the protection sleeve 6 is provided with a guide surface 62 at the opening end, the guide surface 62 is inclined from the outer wall of the protection sleeve 6 to the inner wall, a fastening sleeve 63 is sleeved on the protection sleeve 6 by threads, the fastening sleeve 63 is positioned at the opening end of the protection sleeve 6, a push ring 64 is provided on the fastening sleeve 63, when the push ring 64 presses the guide surface 62, the opening end of the protection sleeve 6 is contracted, a plurality of stripes 65 are provided on the fastening sleeve 63, each stripe 65 is arranged along the axial direction of the fastening sleeve 63, and the plurality of stripes 65 are arranged along the circumferential direction of the fastening sleeve 63.

When the dispersion optical fiber 1 is used for treatment, the fastening sleeve 63 is sleeved at the opening end of the protective sleeve 6, then the metal tube 3 is inserted into the protective sleeve 6, at the moment, the glass tube 4 is inserted into the protective sleeve 6, the glass tube 4 is protected through the protective sleeve 6, the damage of the glass tube 4 can be effectively avoided, then an operator rotates the fastening sleeve 63, the fastening sleeve 63 moves along the axial direction of the protective sleeve 6, then the push ring 64 presses the guide surface 62, the tube wall of the opening end of the protective sleeve 6 is contracted inwards, the protective sleeve 6 is abutted against the metal tube 3, and the connection stability of the metal tube 3 and the protective sleeve 6 is improved; by providing the stripes 65 on the fastening sleeve 63, friction between an operator and the fastening sleeve 63 is increased, and convenience in screwing the fastening sleeve 63 is improved; the depth of the metal tube 3 inserted into the protective sleeve 6 is adjusted, so that the length of the glass tube 4 extending out of the protective sleeve 6 is increased, the illumination area of the dispersion optical fiber 1 is increased, and the convenience of adjusting the illumination area of the dispersion optical fiber 1 is improved.

The implementation principle of the dispersion optical fiber with the coupler in the embodiment of the application is as follows: when the dispersion optical fiber 1 is connected in a light guide way, the coupling connecting pipe 21 is connected with the light source generator, light enters the coupling connecting pipe 21, the lens 24 gathers together the light, and then the metal piece 23 is used for coaxially connecting the dispersion optical fiber 1 with the lens 24 on the end face irradiated to the dispersion end 12, so that the light intensity irradiated to the end face of the dispersion optical fiber 1 is increased, and the coupling efficiency between the dispersion optical fiber 1 and the light source generator is improved.

The foregoing are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in any way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.

Claims

1. A dispersion fiber with coupler, comprising a dispersion fiber (1), characterized in that: be equipped with coupling end (11) and dispersion end (12) on dispersion optic fibre (1), coupling end (11) are equipped with coupling takeover (21), coupling end (11) are inserted coupling takeover (21), be equipped with lens (24) in coupling takeover (21), be equipped with in coupling takeover (21) and be used for fixing metalwork (23) of coupling end (11), dispersion end (12) are equipped with sandwich layer (121) and parcel are in dispersion layer (122) in the sandwich layer (121) outside.

2. A dispersion optical fiber with coupler according to claim 1, wherein: a protective end sleeve (22) is arranged between the coupling end (11) and the coupling connecting pipe (21).

3. A dispersion optical fiber with coupler according to claim 1, wherein: the metal tube (3) is sleeved on the dispersion end (12), and the dispersion end (12) extends out of the metal tube (3).

4. A dispersion optical fiber with coupler according to claim 3, wherein: the glass tube (4) is arranged on the metal tube (3), one end of the glass tube (4) is closed, the other end of the glass tube is communicated with the metal tube (3), and the dispersing end (12) is positioned in the glass tube (4).

5. A dispersion optical fiber with coupler according to claim 4, wherein: the metal tube (3) is provided with a protection sleeve (6), two ends of the protection sleeve (6) are open, and the metal tube (3) is inserted into the protection sleeve (6) so that the glass tube (4) is inserted into the protection sleeve (6).

6. A dispersion optical fiber with coupler according to claim 5, wherein: the utility model discloses a protection sleeve, including protection sleeve (6), tip, sleeve, guide surface (62) are equipped with bar hole (61) in the open end of protection sleeve (6), one side of bar hole (61) runs through to the end wall of protection sleeve (6), the cover is equipped with binding sleeve (63) on protection sleeve (6), binding sleeve (63) with the open end threaded connection of protection sleeve (6), be equipped with push ring (64) on protection sleeve (6) end wall, push ring (64) extrusion guide surface (62) make protection sleeve (6) pipe wall shrink.

7. A dispersion optical fiber with coupler according to claim 6, wherein: the outer side wall of the fastening sleeve (63) is provided with a plurality of stripes (65), each stripe (65) is arranged along the axial direction of the fastening sleeve (63), and a plurality of stripes (65) are arranged along the axial direction of the fastening sleeve (63).

8. A dispersion optical fiber with coupler according to claim 3, wherein: a sheath tube (5) is arranged between the metal tube (3) and the coupling connecting tube (21), and the dispersion optical fiber (1) is positioned in the sheath tube (5).