CN100360970C - Composite optical fiber device structure and its manufacturing method - Google Patents

Abstract

The present invention relates to a structure and a manufacture method for a composite optical fiber device which is made from quartz glass optical fibers and silver halide crystal fibers. The composite optical fiber device is composed of a metal hose, a Y-shaped bracket, quartz glass optical fibers, silver halide crystal optical fibers, an optical fiber connector, a co-optical path head and a locator, wherein the quartz glass optical fibers transmit a laser from 0.4 micron to 2.3 microns, the silver halide crystal optical fibers transmit an intermediate infrared laser from 4 microns to 16 microns, the laser which is output by one of the optical fibers is used as an optical axis, two bundles of lasers are crossed at the point of the locator, and the length of the locator is from 1cm to 1.5cm. The composite optical fiber device is suitable for composite laser conduction in a therapy instrument for nontraumatic composite laser acupuncture, and realizes the double treating functions of laser acupuncture and laser moxibustion.

Description

The structure of composite optical fiber device and manufacture method

Technical field

The present invention relates to a kind of structure and manufacture method of composite optical fiber device, relate to a kind of structure and manufacture method of the composite optical fiber device made from quartz glass optical fiber and silver halide crystal optical fiber or rather.

Technical background

At present, the equal adopting quartz glass optical fiber of the device of the transmission laser in the known laser acupuncture treatment instrument, and the quartz glass optical fiber properties of materials has determined that the transmission range of quartz glass optical fiber is 0.2～2.3 μ m, belong to ultraviolet, visible light and near infrared spectral range, the laser of this wavelength coverage can penetrate the tissue depths, substitutes the acupuncture needle (being commonly called as laser needle) in the traditional acupuncture treatment.Deliver the effect and the mechanism of " laser accunputure moxibustion " as " Shanghai journal of acupuncture and moxibustion " (1999 Dec the 18th volume the 6th phase), the mechanism of action of laser needle all mentioned in " application laser " (19th volume in Dec, 1999 the 6th phase) articles of delivering such as " The Physical Bases of Laser Acupuncture and Moxibustion ".Moxibustion treatment is the ingredient of acupuncture and moxibustion therapy, by infrared radiation spectrum and the experimental observation of human acupoint Infrared Transmission to indirect moxa-moxibustion, place, proof cave tissue has higher transmittance to 10～20 mu m waveband infrared lights, transmittance reaches 62% (" human acupoint and moxa-moxibustion infrared radiation spectrum and acupuncture point Infrared Transmission " is published in " Shanghai Univ. of Traditional Chinese Medicine's journal " the 15th and rolled up for the 4th Dec calendar year 2001 phase), therefore, the CO of 10.6 μ m ₂Laser is optimal moxibustion lasing light emitter.Because quartz glass optical fiber can't transmit the mid-infrared laser greater than 2.3 μ m, so, realize the double treatment effect of laser needle and laser moxibustion, must be by composite optical fiber device synchronous transmission laser needle light source and laser moxibustion light source, wherein the laser needle light source is transmitted by quartz glass optical fiber, laser moxibustion light source (10.6 μ mCO ₂Laser) by the silver halide crystal Optical Fiber Transmission, two bundle laser are in the output terminal combination of sharing the same light, so constitute design of the present invention.

Summary of the invention

The object of the present invention is to provide a kind of structure and method for making of composite optical fiber device.It is a kind of structure and manufacture method of the composite optical fiber device made from quartz glass optical fiber and silver halide crystal optical fiber, and described composite optical fiber device is made of metal hose, Y shape support, quartz glass optical fiber, silver halide crystal optical fiber and the joints of optical fibre, compound shaven head, steady arm.Wherein quartz glass optical fiber is responsible for transmitting the visible light and the near-infrared laser of 0.4～2.3 mu m waveband, and silver halide crystal optical fiber is responsible for transmitting the wave band mid-infrared laser of 4～16 μ m.Composite optical fiber device is suitable for no traumatic pain recombination laser acupuncture and moxibustion therapeutic apparatus, transmission laser needle laser and laser moxibustion laser, thereby the laser needle of realizing and the double treatment effect of laser moxibustion.

The object of the present invention is achieved like this: utilize the laser of quartz glass optical fiber transmission 0.4～2.3 μ m, utilize the mid-infrared laser of silver halide crystal Optical Fiber Transmission 4～16 μ m, by Y shape support two kinds of optical fiber by being placed in the same metal hose.The input end of two optical fiber is separate, and is connected with the forked type end of Y shape support, imports different wavelength of laser respectively, and the output terminal of two optical fiber is installed in the compound shaven head, realizes that different laser are compound to export with light path.Compound shaven head is positioned at the operating grip front end, and operating grip is connected with metal hose.

Second purpose of the present invention is achieved in that the laser with wherein a kind of optical fiber output is optical axis, realizes that at the steady arm place two bundle laser intersect.As the light source of laser needle, the laser of its output must be perpendicular to human body, and promptly silica fibre axially must be perpendicular to human body.When the moxibustion lasing light emitter is radiated on the human body, should center on laser needle.Realize that above-mentioned requirements has the structure of two kinds of compound shaven heads.Laser with silica fibre output is vertical optical axis, and the optical axis of silver halide fiber and silica fibre optical axis are 5～7 degree angles, utilizes the divergence characterization of optical fiber output laser, and two kinds of laser realize that in the space two bundle laser intersect in area for treatment.Another structure is optical axis with the silver halide fiber, quartz glass optical fiber with the form of bundle be distributed in circularly with one heart silver halide crystal optical fiber around, same two bundle laser intersect at treatment end.

In composite optical fiber device, the joints of optical fibre 1 are installed on the input end of quartz glass optical fiber 2, the connector (CG) of the band coupling mechanism of the joints of optical fibre 1 selection standard, two ends of metal hose 3 link to each other with Y shape support 5 with quartz glass optical fiber connector 1 respectively by screw thread 4.The input end of silver halide crystal optical fiber 7 is installed the joints of optical fibre 6, and the joints of optical fibre 6 adopt telecommunication optical fiber AN connector (FC), and two ends of metal hose 3 link to each other with Y shape support 5 with the silver halide crystal joints of optical fibre 6 respectively by screw 4.Quartz glass optical fiber 2 and silver halide crystal optical fiber 7 are placed in the metal hose 3 after Y shape support 5 gathers, two ends of metal hose 3 link to each other with Y shape support 5 operating grips 8 respectively by screw thread 4, the output terminal of quartz glass optical fiber 2 and silver halide crystal optical fiber 7 is installed in compound bare headed 9, compound bare headed 9 link to each other with operating grip 8, and steady arm 10 is fixed on the front end of operating grip 8.

Description of drawings

Fig. 1 is the structural representation of composite optical fiber device provided by the invention

Fig. 2 is that complex light header structure synoptic diagram (a) quartz glass optical fiber is an optical axis in the composite optical fiber device; (b) silver halide crystal optical fiber is optical axis

1-quartz glass optical fiber connector among the figure, 2-quartz glass optical fiber, 3-metal hose, 4-screw, 5-Y shape support, the 6-silver halide crystal joints of optical fibre, 7-silver halide crystal optical fiber, 8-operating grip, the compound shaven head of 9-, 10-steady arm.

Embodiment

Narrate substantive distinguishing features of the present invention and obvious improvement below in conjunction with drawings and Examples, but the present invention is confined to embodiment by no means.

The joints of optical fibre 1 are installed on the input end of embodiment 1 quartz glass optical fiber 2, and two ends of metal hose 3 link to each other with Y shape support 5 with quartz glass optical fiber connector 1 respectively by screw thread 4.The output terminal of silver halide crystal optical fiber 7 is installed the joints of optical fibre 6, and two ends of metal hose 3 link to each other with Y shape support 5 with the silver halide crystal joints of optical fibre 6 respectively by screw 4.Quartz glass optical fiber 2 and silver halide crystal optical fiber 7 are placed in the metal hose 3 after Y shape support 5 gathers, two ends of metal hose 3 link to each other with operating grip 8 with Y shape support 5 respectively by screw 4, the output terminal of quartz glass optical fiber and silver halide crystal optical fiber is installed in compound bare headed 9, compound bare headed 9 link to each other with operating grip 8, and steady arm 10 is fixed on the front end of operating grip 8.Compound bare headed 9 structural representation is shown in Fig. 2 (a), and according to the requirement of clinical treatment and observation, the length of steady arm is defined as 1～1.5cm.Quartz glass optical fiber 2 is as optical axis in compound bare headed 9, silver halide crystal optical fiber 7 is 6 degree angles with the optical axis of quartz glass optical fiber 2, utilize the output laser of optical fiber that the characteristic of dispersing is arranged, two bundle laser intersected in the end of steady arm 10, obtain following mathematical relation by geometrical optics:

$D1=2L1\tan \frac{\mathrm{\γ}}{2}---\left(1\right)$

$\mathrm{<figure-callout\; id="2"\; label="D"\; filenames="C20051002961800101.png"\; state="\{\{state\}\}">D</figure-callout>}2=L1[\tan (\frac{\mathrm{\&beta;}}{2}-\mathrm{\&alpha;})+\tan (\frac{\mathrm{\&beta;}}{2}+\mathrm{\&alpha;})---\left(2\right)$

$T=L1\tan (\frac{\mathrm{\&beta;}}{2}+\mathrm{\&alpha;})---\left(3\right)$

The laser facula of silver halide fiber output will all cover the laser facula of silica fibre output, should satisfy relational expression (4), (5).

D2＞D1 (4)

$T-t>\frac{D1}{2}---\left(5\right)$

The physical significance of above-mentioned each parameter described in various is:

α: the angle between silver halide fiber and silica fibre;

β: the angle of divergence of silver halide fiber;

γ: the angle of divergence of silica fibre;

L1: the active length of steady arm;

T: the centre distance between compound bare headed output silver halide fiber and silica fibre;

D1: the diameter of exporting the hot spot of laser at L1 place silica fibre;

D2: at the spot diameter of L1 place silver halide fiber output laser;

T: in the heart vertical range in the spot diameter edge of L1 place silver halide fiber output laser and compound bare headed output terminal silver halide fiber.

Table 1 is the major parameter value (mm of unit) among Fig. 2 (a)

Table 1

α	β	γ	t	L1	D1	D2	T	T-t	1/2D1
										6 degree	52 degree	32 degree	2.5	10	5.73	9.89	6.3	3.8	2.87

Embodiment 2 agent structures are with embodiment 1, compound bare headed 9 shown in Fig. 2 (b), in compound bare headed 9, silver halide crystal optical fiber 7 is as optical axis, quartz glass optical fiber 2 with the bundle form be distributed in circularly with one heart silver halide crystal optical fiber 7 around, two bundle laser intersect in the end of steady arm 10, obtain following mathematical relation by geometrical optics:

$D1=d+2L1\tan \left(\frac{\mathrm{\&gamma;}}{2}\right)---\left(6\right)$

$\mathrm{<figure-callout\; id="2"\; label="D"\; filenames="C20051002961800101.png"\; state="\{\{state\}\}">D</figure-callout>}2=2L1\tan \left(\frac{\mathrm{\&beta;}}{2}\right)---\left(7\right)$

The laser facula of silver halide fiber output will all cover the laser facula of silica fibre output, should satisfy relational expression (8).

D2＞D1 (8)

The physical significance of the major parameter of formula (6)-(8) is as described in the embodiment 1.

Table 2 is the major parameter among Fig. 2 (b).

Table 2 unit (mm)

β	γ	d	L1	D1	D2
						52 degree	32 degree	2.5	10	8.23	9.75

Claims (7)

1, a kind of structure of composite optical fiber device is characterized in that:

(1) constitutes by metal hose, Y shape support, the joints of optical fibre, compound shaven head and steady arm;

(2) quartz glass optical fiber and silver halide crystal optical fiber are installed in respectively in two metal hoses, two kinds of light

Fine input end is independent mutually, and is connected with the forked end of Y shape support;

(3) by Y shape support two kinds of optical fiber by being placed in the same metal hose;

The output terminal of (4) two kinds of optical fiber is installed in the compound shaven head, and compound shaven head is positioned at the operating grip front end, and operating grip is connected with metal hose; The compound two bundle laser of compound shaven head are optical axis with the laser of wherein a kind of optical fiber output, realize that in the termination of steady arm two bundle laser intersect.

2,, it is characterized in that quartz glass optical fiber and silver halide crystal optic fibre input end install the joints of optical fibre respectively by the structure of the described composite optical fiber device of claim 1.

3, by the structure of the described composite optical fiber device of claim 2, it is characterized in that being used for the connector that the quartz glass optical fiber connector is the index zone coupling mechanism; Being used for the silver halide crystal joints of optical fibre is the telecommunication optical fiber AN connector.

4, press the structure of the described composite optical fiber device of claim 1, when it is characterized in that the laser of exporting with quartz glass optical fiber in the compound shaven head is optical axis, the output optical axis of silver halide crystal optical fiber and quartz glass optical fiber optical axis are 5-7 degree angle, and the laser of two kinds of optical fiber outputs intersects in the steady arm end.

5, by the structure of the described composite optical fiber device of claim 1, when it is characterized in that laser with the output of silver halide crystal optical fiber is optical axis, quartz glass optical fiber with bundle to form be distributed in circularly with one heart silver halide fiber around.

6, by the structure of the described composite optical fiber device of claim 1, it is characterized in that described steady arm length is 1-1.5cm, be fixed on the front end of operating grip.

7, the method for the structure of preparation composite optical fiber device as claimed in claim 1, it is characterized in that on the input end of quartz glass optical fiber (2) joints of optical fibre (1) being installed, the connector of the band coupling mechanism of the joints of optical fibre (1) selection standard, two ends of metal hose (3) link to each other with Y shape support (5) with quartz glass optical fiber connector (1) respectively by screw thread (4); The input end of silver halide crystal optical fiber (7) is installed the joints of optical fibre (6), and two ends of metal hose (3) link to each other with Y shape support (5) with the silver halide crystal joints of optical fibre (6) respectively by screw thread (4); Quartz glass optical fiber (2) and silver halide crystal optical fiber (7) are placed in the metal hose (3) after Y shape support (5) gathers, two ends of metal hose (3) link to each other with Y shape support (5) operating grip (8) respectively by screw thread (4), the output terminal of quartz glass optical fiber (2) and silver halide crystal optical fiber 7 is installed in the compound shaven head (9), compound shaven head (9) links to each other with operating grip (8), and steady arm (10) is fixed on the front end of operating grip (8).

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