CN204144665U - The green generating device of laser of a kind of medical 532nm - Google Patents
The green generating device of laser of a kind of medical 532nm Download PDFInfo
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- CN204144665U CN204144665U CN201420519569.4U CN201420519569U CN204144665U CN 204144665 U CN204144665 U CN 204144665U CN 201420519569 U CN201420519569 U CN 201420519569U CN 204144665 U CN204144665 U CN 204144665U
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Abstract
The utility model discloses a kind of medical 532nm green laser device, comprise green laser system, speculum one, optical gate, speculum two, coupling mirror, fiber coupler, side go out optical fiber and laser absorption body, speculum one and 532nm green laser are positioned at same level line, optical gate is positioned at immediately below speculum one, speculum two is positioned at immediately below optical gate, laser absorption body is located at optical gate side, and speculum two, coupling mirror, fiber coupler and side go out optical fiber and biological tissue is located at same level line; Optical gate posts total reflective mirror, has folding or closed two states, time closed, laser reflection is to coupling mirror, and the laser approaching side after coupling goes out optical fiber and arrives biological tissue; During folding, laser reflection is in laser absorption body.The laser that the utility model exports exports with side direction and closely acts on tissue, reaches meticulous vaporization, cutting, available protecting blood vessel and nerve; Contract during operation, safe and reliable; Compact equipment, volume are little, noise is little, the life-span is long.
Description
Technical field
The utility model relates to a kind of green generating device of laser, particularly relates to a kind of green generating device of laser for biological tissue's vaporization, belongs to medical laser applied technical field.
Background technology
Laser is one of 20th century of the mankind greatest invention.From ruby laser retina coagulating machine in 1961 in ophthalmology first Application, up to the present, laser medicine technology has become the indispensable part of clinical medicine.The market of Medical Devices is industries of a high investment, high growth, all fast-developing with annual more than 40% growth rate both at home and abroad.Along with the rapid growth of China's economy and the raising of living standards of the people, increase sharply to demand that is healthy and medical treatment, laser technology combines with clinical medicine, and the advanced Medical Devices of innovation and development have wide application space and the market demand.The application of early stage laser in clinical medicine, because laser kind is few, selectable leeway is little, often use a kind of laser of wavelength to carry out whole operation techniques, what be aided with conventional instrument in addition again helps through whole surgical procedure, the special requirement of each process of operation can not be met, optimum result for the treatment of can not be obtained.Along with the fast development of laser technology, the laser of various wavelength is come out one after another, each conventional wave band such as covering visible light, ultraviolet light, infrared light substantially.
Clinical facts have proved of modern medicine, different indication treatments needs the laser of different optimal wavelengths, different phase in a complete surgical procedure also needs different wave length and laser of different nature to process, therefore can could meet the needs of Modern Laser Medicine clinical treatment by mixed wavelengths laser, realize safety, effectively, the target of the modern medicine pursuit such as reliable, wound is little, misery is little, rehabilitation is fast.
The method that current laser surgey is commonly used directly the end face of optical fiber and contact tissue is excised tissue after fiber optic conduction by the laser that laser exports, when using optical fiber vaporization resection organization, the surface of a wound can present rough state, and this is that beam uniformity owing to exporting through optical fiber and different organism optical performance differences cause.When the substantial viscera that cutting blood fortune is enriched is organized, often wish that tangent plane is neat, cutting speed is fast, good hand touch, and nothing is burnt, carbonization, and hemostasis is thorough, without hemorrhage and oozing phenomenon etc.
Summary of the invention
Technical problem to be solved in the utility model is the defect existed for prior art, provides a kind of green generating device of laser of 532nm realizing vaporization to soft tissue, cutting, gives full play to the mutual light selectively acting with biological tissue.
For solving this technical problem, the utility model provides a kind of medical 532nm green laser device, comprise green laser system, speculum one, optical gate, speculum two, coupling mirror, fiber coupler, side goes out optical fiber and laser absorption body, described green laser system is 532nm green laser, speculum one and 532nm green laser are positioned on same level line, optical gate is positioned at immediately below speculum one, speculum two is positioned at immediately below optical gate, laser absorption body is arranged on optical gate side, speculum two, coupling mirror, fiber coupler and side go out optical fiber and biological tissue is arranged in the same horizontal line, described optical gate posts total reflective mirror, folding or closed two states can be in, when optical gate is in closure state, the laser that green laser system sends arrives the optical gate time and hands down and be passed to speculum two after speculum one reflects, reflex in coupling mirror, the green laser of 532nm after coupling mirror coupling enters approaching side in fiber coupler and goes out in optical fiber and finally arrive biological tissue again, when optical gate is in folding condition, laser reflects light in laser absorption body through the total reflective mirror be attached on optical gate.
Described green laser system is lamp pumping solid state laser or diode pumped solid state laser, and its output wavelength is 532nm ± 10nm, and output power range is between 1W to 200W.
Described lamp pumping solid state laser or the type of cooling of diode pumped solid state laser are water-cooled or air-cooled.
Described speculum one is 45 ° of total reflective mirrors, and this total reflective mirror is coated with 532nm and is all-trans film, its reflectivity is greater than 99.0%.
The described total reflective mirror be attached on optical gate is coated with 532nm to be all-trans film, its reflectivity is greater than 99.0%.
Described speculum two is 135 ° of total reflective mirrors, and this total reflective mirror is coated with 532nm and is all-trans film, its reflectivity is greater than 99.0%.
Described coupling mirror is planoconvex spotlight, this planoconvex spotlight is coated with 532nm anti-reflection film, and transmitance is 99.5%.
Described coupling fiber coupler is that stainless steel metal is made.
The cavity body that described laser absorption body is made up of stainless steel material, has current to pass through in cavity body.
Beneficial effect: the green laser of the 532nm wavelength that the utility model exports closely acts on tissue by optical fiber with side direction output, laser energy is all delivered to biological tissue, energy effectively accumulates organizationally, and tissue is accurately vaporized, cut and solidifies, for doctor provides splendid tactile feedback, reach meticulous vaporization, cutting.To the fire damage < 0.5mm of surrounding tissue, available protecting blood vessel and important neuromechanism; Cutting and hemostasis are carried out simultaneously, visual area is clear, shorten operating time 30%-40%; What the heat effect of cutter head produced is the aseptic surface of a wound, reduces Infection in operation chance, and operation safety, effectively, reliable, wound is little, misery is little, rehabilitation is fast; Equipment has compact conformation, compact, the advantages such as noise is little, long service life.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
In figure: 1 green laser system, 2 speculum one, 3 optical gates, 4 speculum two, 5 coupling mirrors, 6 fiber couplers, 7 sides go out optical fiber, 8 laser absorption bodies, 9 biological tissues.
Embodiment
Below in conjunction with drawings and Examples, the utility model is specifically described.
Figure 1 shows that structural representation of the present utility model.
The utility model comprises green laser system 1, speculum 1, optical gate 3, speculum 24, coupling mirror 5, fiber coupler 6, side go out optical fiber 7 and laser absorption body 8.
Described green laser system 1 is 532nm green laser, can be lamp pumping solid state laser or diode pumped solid state laser, and its output wavelength is 532nm ± 10nm, and output power range is between 1W to 200W.
Described lamp pumping solid state laser or the type of cooling of diode pumped solid state laser are water-cooled or air-cooled.
Described speculum 1 is 45 ° of total reflective mirrors, and this total reflective mirror is coated with 532nm and is all-trans film, its reflectivity is greater than 99.0%, and speculum 1 and 532nm green laser are positioned on same level line.
Described optical gate 3 posts total reflective mirror, and this total reflective mirror is coated with 532nm and is all-trans film, its reflectivity is greater than 99.0%, and optical gate 3 is positioned at immediately below speculum 1,
Described speculum 24 is 135 ° of total reflective mirrors, and this total reflective mirror is coated with 532nm and is all-trans film, its reflectivity is greater than 99.0%, and speculum 24 is positioned at immediately below optical gate 3.
Shown laser absorption body 8 is arranged on the side of optical gate 3.
Described speculum 24, coupling mirror 5, fiber coupler 6 and side go out optical fiber 7 and arrange in the same horizontal line with biological tissue 9.
Described optical gate 3 can be in folding or closed two states, and when optical gate 3 is opened, light down transmits; When optical gate 3 is closed, light reflects by the total reflective mirror be attached on optical gate 3.
Described coupling mirror 5 is planoconvex spotlight, this planoconvex spotlight is coated with 532nm anti-reflection film, and transmitance is 99.5%.
Described coupling fiber coupler 6 is made for stainless steel metal.
The cavity body that described laser absorption body 8 is made up of stainless steel material, has current to pass through in cavity body.
Operation principle of the present utility model:
The green laser exported by green laser system 1 reflexes on optical gate 3 through speculum 1 in 45 °, utilize optical gate to realize the control to exporting light, when optical gate 3 is opened, the green laser of 532nm arrive after speculum 1 reflects light after on optical gate 3 hand down be passed to speculum 24 after reflex in coupling mirror 5 again, the green laser of 532nm after coupling mirror 5 is coupled enters approaching side in fiber coupler 6 and to go out optical fiber 7 in last arrival biological tissue 9; When optical gate 3 is closed, the total reflective mirror be attached on optical gate 3 reflects light in laser absorption body 8, and side goes out optical fiber 7 place without Laser output.
Embodiment of the present utility model:
The present embodiment adopts profile pump structure, and by producing the green laser of 532nm to the frequency multiplication of frequency-doubling crystal, its wavelength is 532nm, and power output is 100W;
Biological tissue is the prostata tissue of human body;
The green laser of 532nm approaching side after speculum 1, optical gate 3, speculum 24, coupling mirror 5 and coupling light device 6 goes out optical fiber 7, the laser going out optical fiber 7 output from side enters the prostata tissue of human body, energy effectively accumulates organizationally, and accurately vaporizes to tissue, cuts.Hemoglobin in prostata tissue can selective absorbing to green laser, due to laser penetration depth as shallow, and is the pulse laser of high-peak power, makes the power density of unit volume in tissue very high, thus produce effective tissue vaporization effect.Except vaporization, laser beam can also produce a very thin coagulation band in the tissue stayed, and coagulation band, in 1 ~ 2mm scope, has good anastalsis, so just provides a visual field clearly to doctor.
The green laser of the 532nm wavelength that the utility model exports closely acts on tissue by optical fiber with side direction output, laser energy is all delivered to biological tissue, energy effectively accumulates organizationally, and tissue is accurately vaporized, cut and solidifies, for doctor provides splendid tactile feedback, reach meticulous vaporization, cutting.To the fire damage < 0.5mm of surrounding tissue, available protecting blood vessel and important neuromechanism; Cutting and hemostasis are carried out simultaneously, visual area is clear, shorten operating time 30%-40%; What the heat effect of cutter head produced is the aseptic surface of a wound, reduces Infection in operation chance, and operation safety, effectively, reliable, wound is little, misery is little, rehabilitation is fast; Equipment has compact conformation, compact, the advantages such as noise is little, long service life.
The above-mentioned embodiment of the utility model, just illustrates, is not only, and all changes within the scope of the utility model or in equivalent scope of the present utility model are all surrounded by the utility model.
Claims (9)
1. a medical 532nm green laser device, it is characterized in that: comprise green laser system (1), speculum one (2), optical gate (3), speculum two (4), coupling mirror (5), fiber coupler (6), side goes out optical fiber (7) and laser absorption body (8), described green laser system (1) is 532nm green laser, speculum one (2) and 532nm green laser are positioned on same level line, optical gate (3) is positioned at immediately below speculum one (2), speculum two (4) is positioned at immediately below optical gate (3), laser absorption body (8) is arranged on optical gate (3) side, speculum two (4), coupling mirror (5), fiber coupler (6) and side go out optical fiber (7) and arrange in the same horizontal line with biological tissue (9), (3) post total reflective mirror to described optical gate, folding or closed two states can be in, when optical gate (3) is in closure state, the laser that green laser system (1) sends arrives optical gate (3) time and hands down and be passed to speculum two (4) after speculum one (2) reflects, reflex in coupling mirror (5) again, the green laser of 532nm after coupling mirror (5) coupling enters approaching side in fiber coupler (6) and goes out in optical fiber (7) finally to arrive biological tissue (9), when optical gate (3) is in folding condition, laser reflects light in laser absorption body (8) through the total reflective mirror be attached on optical gate (3).
2. medical 532nm green laser device according to claim 1, it is characterized in that: described green laser system (1) is lamp pumping solid state laser or diode pumped solid state laser, its output wavelength is 532nm ± 10nm, and output power range is between 1W to 200W.
3. medical 532nm green laser device according to claim 2, is characterized in that: described lamp pumping solid state laser or the type of cooling of diode pumped solid state laser are water-cooled or air-cooled.
4. medical 532nm green laser device according to claim 1, is characterized in that: described speculum one (2) is 45 ° of total reflective mirrors, and this total reflective mirror is coated with 532nm and is all-trans film, its reflectivity is greater than 99.0%.
5. medical 532nm green laser device according to claim 1, is characterized in that: described in be attached on optical gate (3) total reflective mirror on be coated with 532nm and be all-trans film, its reflectivity is greater than 99.0%.
6. medical 532nm green laser device according to claim 1, is characterized in that: described speculum two (4) is 135 ° of total reflective mirrors, and this total reflective mirror is coated with 532nm and is all-trans film, its reflectivity is greater than 99.0%.
7. medical 532nm green laser device according to claim 1, it is characterized in that: described coupling mirror (5) is planoconvex spotlight, this planoconvex spotlight is coated with 532nm anti-reflection film, transmitance is 99.5%.
8. medical 532nm green laser device according to claim 1, is characterized in that: described coupling fiber coupler (6) is made for stainless steel metal.
9. the medical 532nm green laser device according to any one of claim 1-8, is characterized in that: the cavity body that described laser absorption body (8) is made up of stainless steel material, has current to pass through in cavity body.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201420519569.4U CN204144665U (en) | 2014-09-10 | 2014-09-10 | The green generating device of laser of a kind of medical 532nm |
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| CN201420519569.4U CN204144665U (en) | 2014-09-10 | 2014-09-10 | The green generating device of laser of a kind of medical 532nm |
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| CN204144665U true CN204144665U (en) | 2015-02-04 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113855228A (en) * | 2021-09-30 | 2021-12-31 | 杭州佳量医疗科技有限公司 | Sheath structure for ablation operation optical fiber |
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2014
- 2014-09-10 CN CN201420519569.4U patent/CN204144665U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113855228A (en) * | 2021-09-30 | 2021-12-31 | 杭州佳量医疗科技有限公司 | Sheath structure for ablation operation optical fiber |
| CN113855228B (en) * | 2021-09-30 | 2023-12-01 | 杭州佳量医疗科技有限公司 | Sheath structure for ablation operation optical fiber |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20171221 Address after: Room A216, block B Qilu Software Building No. 1768 Xinluo Avenue high tech Zone of Ji'nan City, Shandong province 250101 Patentee after: JINAN HOLCIM'S BIOLOGICAL TECHNOLOGY CO., LTD. Address before: 250200 Zhangqiu, Shandong, No. ten East Road, No. 6866, No. Patentee before: SHANDONG PROVINCE INSTITUTE OF PHARMACEUTICAL RESEARCH |
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| TR01 | Transfer of patent right |