CN205144726U - High -power semiconductor laser device of performing operation - Google Patents

High -power semiconductor laser device of performing operation Download PDF

Info

Publication number
CN205144726U
CN205144726U CN201520704044.2U CN201520704044U CN205144726U CN 205144726 U CN205144726 U CN 205144726U CN 201520704044 U CN201520704044 U CN 201520704044U CN 205144726 U CN205144726 U CN 205144726U
Authority
CN
China
Prior art keywords
laser
semiconductor laser
optical fiber
lens
coupled
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN201520704044.2U
Other languages
Chinese (zh)
Inventor
贺大林
李磊
吴开杰
吴大鹏
范晋海
杨政
刘伟
王新阳
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
First Affiliated Hospital of Xian Jiaotong University
Original Assignee
First Affiliated Hospital of Xian Jiaotong University
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by First Affiliated Hospital of Xian Jiaotong University filed Critical First Affiliated Hospital of Xian Jiaotong University
Priority to CN201520704044.2U priority Critical patent/CN205144726U/en
Application granted granted Critical
Publication of CN205144726U publication Critical patent/CN205144726U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Landscapes

  • Laser Surgery Devices (AREA)
  • Optical Couplings Of Light Guides (AREA)

Abstract

The utility model provides a high -power semiconductor laser device of performing operation, includes the semiconductor laser light source, and the semiconductor laser light source is connected with medical laser fiber, and semiconductor laser light source and laser power and control system electricity are connected, and laser power and control system are connected with laser cooling system is electric, and laser power and control system are connected with semiconductor laser 0 is electric, and during operation, instruction light source send instruction laser, and laser gets into optic fibre after through plastic, coupling, send laser through trampling the foot switch single tube semiconductor laser instrument, laser gets into optic fibre after through plastic, coupling, work is used laser and is indicateed laser coupling be a branch of light, gets into medical laser fiber, steps on foot switch, and output laser cutting the operation and stopping blooding simultaneously, has power height, safe and reliable, the heat injury is little, hemostatic effect good, long service life, stability are good, portable and applied characteristics.

Description

A kind of high-power semiconductor laser operation device
Technical field
This utility model relates to the technical field utilizing high-power semiconductor laser to treat human body soft tissue, particularly a kind of high-power semiconductor laser operation device.
Background technology
At present, green laser medical equipment has been applied in clinical practice, and the clinical treatment such as green laser being used for soft tissue gasification cutting has obtained a large amount of practices, and the sufficient proof safety and effectiveness of its technology.Compared to former generation " goldstandard ", " transurethral prostatic resection " TURP, this technology side effect is little.Green laser blood Lactoferrin absorbance is close with water absorbance, is 10 -3/ cm, is shown in accompanying drawing 1, but blue laser blood Lactoferrin absorbance is 10 3/ cm, 1 magnitude about higher than green laser.So it is expected to, blue laser more easily does soft tissue resection operation, and heat affected area is less, and haemostatic effect also improves greatly.At present, still blue laser is not used for the precedent of Soft tissue cutting operation in the world.
The acquisition of green laser adopts optical pumping laser crystal to obtain 1064nm iraser, then obtains by the mode that iraser obtains 532nm double-frequency laser through frequency-doubling crystal.Whole transformation process electrical efficiency is the highest by about 10%, and a large amount of used heat needs to be discharged by the mode of water-cooled, and the design of built-in water-cooling radiator cooler causes whole surgical apparatus bulky, and noise is high.Semiconductor laser is compared to Solid State Laser, and electro-optical efficiency height is its maximum advantage.Based on this advantage, small-power surgery systems can be made to remove water-cooled, adopt air-cooled mode to replace.Further, small-power surgery systems is accomplished that microminiaturization, portable, low noise, long-life become probability.
At present, the blue laser power technology maturation of quasiconductor of To56 encapsulation, commercial, output reaches 1.6W, electrical efficiency 26.7%.Life expectancy is greater than 10000 hours.1.6W blue light is coupled into 105um optical fiber, and its efficiency can reach more than 90%.By blue for the quasiconductor of multiple coupling fiber laser by optical-fiber bundling technology, obtain the power stage of 10W or 30W, its efficiency is also more than 90%.By calculating, the electrical efficiency of complete machine can reach more than 20%.Laser 10W exports, and electrical power consumed 50W, 30W export, and electrical power consumed 150W, can meet cooling requirements by air-cooled, and therefore, blue laser portability is feasible.
Summary of the invention
In order to overcome the shortcoming of above-mentioned prior art, the purpose of this utility model is to provide a kind of high-power semiconductor laser operation device, multiple single-tube semiconductor laser can be utilized to send the blue laser of small-power, many blue laser coupled are become high-power blue laser, carry out Soft tissue cutting, have the advantages that power is high, safe and reliable, hot injury is little.
In order to achieve the above object, the technical scheme that this utility model is taked is:
A kind of high-power semiconductor laser surgery systems, comprise semiconductor laser light resource 1, described semiconductor laser light resource 1 is connected with medical laser optical fiber 2, by medical laser optical fiber 2 by sent Laser output, described semiconductor laser light resource 1 is electrically connected with Laser Power Devices and control system 5, described Laser Power Devices and control system 5 control semiconductor laser light resource 1, and provide power supply for semiconductor laser light resource 1, described Laser Power Devices and control system 5 are electrically connected with laser cooling system 3, control laser cooling system 3 to cool for semiconductor laser light resource 1, described Laser Power Devices and control system 5 are electrically connected with foot switch 4, described foot switch 4 controls the duty of Laser Power Devices and control system 5.
Described semiconductor laser light resource 1 comprises multiple single tube coupling module 6, and described single tube coupling module 6 is by optical fiber 9 coupling output; Described semiconductor laser light resource 1 also comprises single instruction light source 7, and described instruction light source 7 is exported by coupling fiber by optical fiber 9; Described optical fiber 9 is coupled by optical-fiber bundling device 8; Described optical-fiber bundling device 8, by the sharp combiner in multiple optical fiber 9, is coupled in medical laser optical fiber 2, and is exported by medical laser optical fiber 2.
Described single tube coupling module 6 comprises the vertical single-tube semiconductor laser 10 of two polarization states, described single-tube semiconductor laser 10 is connected with shaping lens 11, described shaping lens 11 is connected by laser with polarization coupled prism 12, described polarization coupled prism 12 is connected by laser with coupling focusing lens 13, described coupling focusing lens 13 is connected by laser with optical fiber 9, described coupling focusing lens 13 and the mode that optical fiber 9 employing is fixed or viscose glue is fixing are encapsulated in coupling cover tube shell 15, the blue laser that described single-tube semiconductor laser 10 sends, by exporting after shaping lens 11 shaping, export after two blue laser polarizations being coupled as light beam by polarization coupled prism 12, optical fiber 9 is coupled into by coupling focusing lens 13, export.
Described single tube coupling module 6 comprises single single-tube semiconductor laser 10, described single-tube semiconductor laser 10 is connected with shaping lens 11, described shaping lens 11 is connected by laser with coupling focusing lens 13, described coupling focusing lens 13 is connected by laser with optical fiber 9, described coupling focusing lens 13 and the mode that optical fiber 9 employing is fixed or viscose glue is fixing are encapsulated in coupling cover tube shell 15, described single-tube semiconductor laser 10 can in a continuous manner or pulse mode send frequency-adjustable, dutycycle is adjustable, the blue laser of power adjustable, the adjustable extent of the dutycycle of this blue laser is 1-100%, the adjustable extent of power is 0.1-300.0W, this blue laser is by exporting after shaping lens 11 shaping, optical fiber 9 is coupled into by coupling focusing lens 13, export.
Described single tube coupling module 6 comprises multiple single-tube semiconductor laser 10, described single-tube semiconductor laser 10 is connected with shaping lens 11, described shaping lens 11 is connected by laser with deflecting mirror 14, described deflecting mirror 14 is connected by laser with coupling focusing lens 13, described coupling focusing lens 13 is connected by laser with optical fiber 9, described coupling focusing lens 13 and the mode that optical fiber 9 employing is fixed or viscose glue is fixing are encapsulated in coupling cover tube shell 15, the blue laser that described single-tube semiconductor laser 10 sends, by exporting after shaping lens 11 shaping, export after many blue laser being pooled light beam by deflecting mirror 14, optical fiber 9 is coupled into by coupling focusing lens 13, export.
Described coupling focusing lens 13 comprises the battery of lens of a slice eyeglass or many eyeglasses composition, and its eyeglass is sphere or aspherical lens.
Described optical-fiber bundling device 8 comprises coupled lens 17, and described coupled lens 17 is arranged in coupled lens seat 16, is also provided with fiber connector 18 in described coupled lens seat 16, described fiber connector 18 for fixing medical laser optical fiber 2,
Described optical-fiber bundling device 8 is (N+M+1) * 1 type structure, i.e. N+M+1 road input, and 1 tunnel exports, wherein, N road is input as the blue laser of 440nm-460nm, and M road is input as the laser of a kind of or combination in 808nm, 980nm and 1470nm, and 1 tunnel is input as instruction laser; The input of described optical-fiber bundling device 8 is positioned at the outfan rear of optical fiber 9, described optical fiber 9 is by the coupled lens 17 in the laser exported in single tube coupling module 6 and the instruction laser input optical fibre beam merging apparatus 8 indicating output in light source 7, light beam is coupled as through coupled lens 17, enter in medical laser optical fiber 2, export.
Described instruction light source 7 can send for positioning work position instruction laser, and described instruction laser is red 635nm laser or green 532nm laser.
The way of output of described medical laser optical fiber 2 front end comprises the side that directly goes out along shaft axis of optic fibre or form an angle with shaft axis of optic fibre and goes out.
Described laser cooling system 3 comprises heat sink 19 and TEC attemperating unit 20, described heat sink 19 are positioned at below single-tube semiconductor laser 10, the heat sent by single-tube semiconductor laser 10 passes by heat sink 19, described TEC attemperating unit 20 is positioned at below heat sink 19, by the heat absorption of heat sink 19, and discharged by air cooled mode and discharge.
Operation principle of the present utility model is: this utility model can utilize multiple single-tube semiconductor laser to send the blue laser of small-power, many blue laser coupled are become high-power blue laser, utilize blue laser by the characteristic of hemoglobin strong absorption, by blue Laser output, transmission is irradiated to human lesion soft tissue, and excise, and the water absorption characteristic utilizing laser good is stopped blooding.During system works, instruction light source 7 is started working and is sent instruction laser, is exported, is coupled into medical laser optical fiber 2 through optical-fiber bundling device 8, for patient points out operating position by optical fiber 9.According to the needs of patient, send control instruction by trampling and unclamping foot switch 4 to Laser Power Devices and control system 5.After Laser Power Devices and control system 5 receive instruction, control the laser whether single-tube semiconductor laser 10 sends work.Single-tube semiconductor laser 10 sends low power laser, by exporting after shaping lens 11 shaping, be export laser coupled after a branch of high-power laser by polarization coupled prism 12 or deflecting mirror 14, be coupled into optical fiber 9 by coupling focusing lens 13, export.The optical fiber 9 that N bar is loaded with the optical fiber 9 of cutting laser, M bar is loaded with hemostasis laser and 1 coupled lens 17 be loaded with in the optical fiber 9 input optical fibre beam merging apparatus 8 of instruction laser, light beam is coupled as through coupled lens 17, enter in medical laser optical fiber 2, export.Step on foot switch 4, the normal Output of laser of single-tube semiconductor laser 10, carries out cutting operation for the laser cut, the laser simultaneously for stopping blooding perform the operation in hemostasis; Unclamp foot switch, single-tube semiconductor laser 10 stops Output of laser, and Laser output interrupts, operation suspention.
The beneficial effects of the utility model are: this utility model can utilize multiple single-tube semiconductor laser to send the blue laser of small-power, many blue laser coupled are become high-power blue laser, utilize blue laser by the characteristic of hemoglobin strong absorption, by blue Laser output, transmission is irradiated to human lesion soft tissue, and excise, and the water absorption characteristic utilizing laser good is stopped blooding.The single-tube semiconductor laser life-span that this utility model adopts, machine system was reliable and stable, and life cycle is long, and laser instrument volume is little, is convenient for carrying, and is conducive to practical application more than 10,000 hours.This utility model have safe and reliable, hot injury is little, haemostatic effect good, long service life, good stability, the feature that is easy to carry and applies.
Accompanying drawing explanation
Fig. 1 is laser absorption spectral line schematic diagram.
Fig. 2 is structural representation of the present utility model.
Fig. 3 is the structural representation of semiconductor laser light resource 1 of the present utility model.
Fig. 4 a is the structural representation comprising the single tube coupling module 6 of the vertical single-tube semiconductor laser 10 of two polarization states of the present utility model.
Fig. 4 b is the structural representation comprising the single tube coupling module 6 of single single-tube semiconductor laser 10 of the present utility model.
Fig. 4 c is the structural representation comprising the single tube coupling module 6 of multiple single-tube semiconductor laser 10 of the present utility model.
Fig. 5 a is the structural representation of an embodiment of optical-fiber bundling device 8 of the present utility model.
Fig. 5 b is the structural representation of another embodiment of optical-fiber bundling device 8 of the present utility model.
Fig. 6 is the structural representation of laser cooling system 3 of the present utility model.
Fig. 7 is the pulsed operation state diagram that single-tube semiconductor laser 10 of the present utility model sends.
Detailed description of the invention
Below in conjunction with accompanying drawing, this utility model is described in further detail.
See accompanying drawing, this utility model is a kind of high-power semiconductor laser surgery systems, comprise semiconductor laser light resource 1, described semiconductor laser light resource 1 is connected with medical laser optical fiber 2, by medical laser optical fiber 2 by sent Laser output, described semiconductor laser light resource 1 is electrically connected with Laser Power Devices and control system 5, described Laser Power Devices and control system 5 control semiconductor laser light resource 1, and provide power supply for semiconductor laser light resource 1, described Laser Power Devices and control system 5 are electrically connected with laser cooling system 3, control laser cooling system 3 to cool for semiconductor laser light resource 1, described Laser Power Devices and control system 5 are electrically connected with foot switch 4, described foot switch 4 controls the duty of Laser Power Devices and control system 5.
Described semiconductor laser light resource 1 comprises multiple single tube coupling module 6, and described single tube coupling module 6 is by optical fiber 9 coupling output; Described semiconductor laser light resource 1 also comprises single instruction light source 7, and described instruction light source 7 is exported by optical fiber 9; Described optical fiber 9 is coupled by optical-fiber bundling device 8; Described optical-fiber bundling device 8, by the sharp combiner in multiple optical fiber 9, is coupled in medical laser optical fiber 2, and is exported by medical laser optical fiber 2.
Described single tube coupling module 6 comprises the vertical single-tube semiconductor laser 10 of two polarization states, described single-tube semiconductor laser 10 is connected with shaping lens 11, described shaping lens 11 is connected by laser with polarization coupled prism 12, described polarization coupled prism 12 is connected by laser with coupling focusing lens 13, described coupling focusing lens 13 is connected by laser with optical fiber 9, described coupling focusing lens 13 and the mode that optical fiber 9 employing is fixed or viscose glue is fixing are encapsulated in coupling cover tube shell 15, the blue laser that described single-tube semiconductor laser 10 sends, by exporting after shaping lens 11 shaping, export after two blue laser polarizations being coupled as light beam by polarization coupled prism 12, optical fiber 9 is coupled into by coupling focusing lens 13, export.
Described single tube coupling module 6 comprises single single-tube semiconductor laser 10, described single-tube semiconductor laser 10 is connected with shaping lens 11, described shaping lens 11 is connected by laser with coupling focusing lens 13, described coupling focusing lens 13 is connected by laser with optical fiber 9, described coupling focusing lens 13 and the mode that optical fiber 9 employing is fixed or viscose glue is fixing are encapsulated in coupling cover tube shell 15, described single-tube semiconductor laser 10 can in a continuous manner or pulse mode send frequency-adjustable, dutycycle is adjustable, the blue laser of power adjustable, the adjustable extent of the dutycycle of this blue laser is 1-100%, the adjustable extent of power is 0.1-300.0W, this blue laser is by exporting after shaping lens 11 shaping, optical fiber 9 is coupled into by coupling focusing lens 13, export.
Described single tube coupling module 6 comprises multiple single-tube semiconductor laser 10, described single-tube semiconductor laser 10 is connected with shaping lens 11, described shaping lens 11 is connected by laser with deflecting mirror 14, described deflecting mirror 14 is connected by laser with coupling focusing lens 13, described coupling focusing lens 13 is connected by laser with optical fiber 9, described coupling focusing lens 13 and the mode that optical fiber 9 employing is fixed or viscose glue is fixing are encapsulated in coupling cover tube shell 15, the blue laser that described single-tube semiconductor laser 10 sends, by exporting after shaping lens 11 shaping, export after many blue laser being pooled light beam by deflecting mirror 14, optical fiber 9 is coupled into by coupling focusing lens 13, export.
Described coupling focusing lens 13 comprises the battery of lens of a slice eyeglass or many eyeglasses composition, and its eyeglass is sphere or aspherical lens.
Described optical-fiber bundling device 8 comprises coupled lens 17, and described coupled lens 17 is arranged in coupled lens seat 16, is also provided with fiber connector 18 in described coupled lens seat 16, described fiber connector 18 for fixing medical laser optical fiber 2,
Described optical-fiber bundling device 8 is (N+M+1) * 1 type structure, i.e. N+M+1 road input, and 1 tunnel exports, wherein, N road is input as the blue laser of 440nm-460nm, and M road is input as the laser of a kind of or combination in 808nm, 980nm and 1470nm, and 1 tunnel is input as instruction laser; The input of described optical-fiber bundling device 8 is positioned at the outfan rear of optical fiber 9, described optical fiber 9 is by the coupled lens 17 in the laser exported in single tube coupling module 6 and the instruction laser input optical fibre beam merging apparatus 8 indicating output in light source 7, light beam is coupled as through coupled lens 17, enter in medical laser optical fiber 2, export.
Described instruction light source 7 can send for positioning work position instruction laser, and described instruction laser is red 635nm laser or green 532nm laser.
The way of output of described medical laser optical fiber 2 front end comprises the side that directly goes out along shaft axis of optic fibre or form an angle with shaft axis of optic fibre and goes out.
Described laser cooling system 3 comprises heat sink 19 and TEC attemperating unit 20, described heat sink 19 are positioned at below single-tube semiconductor laser 10, the heat sent by single-tube semiconductor laser 10 passes by heat sink 19, described TEC attemperating unit 20 is positioned at below heat sink 19, by the heat absorption of heat sink 19, and discharged by air cooled mode and discharge.
During system works, instruction light source 7 is started working and is sent instruction laser, is exported, is coupled into medical laser optical fiber 2 through optical-fiber bundling device 8, for patient points out operating position by optical fiber 9.According to the needs of patient, send control instruction by trampling and unclamping foot switch 4 to Laser Power Devices and control system 5.After Laser Power Devices and control system 5 receive instruction, control the laser whether single-tube semiconductor laser 10 sends work.Single-tube semiconductor laser 10 sends low power laser, by exporting after shaping lens 11 shaping, be export laser coupled after a branch of high-power laser by polarization coupled prism 12 or deflecting mirror 14, be coupled into optical fiber 9 by coupling focusing lens 13, export.The optical fiber 9 that N bar is loaded with the optical fiber 9 of cutting laser, M bar is loaded with hemostasis laser and 1 coupled lens 17 be loaded with in the optical fiber 9 input optical fibre beam merging apparatus 8 of instruction laser, light beam is coupled as through coupled lens 17, enter in medical laser optical fiber 2, export.Step on foot switch 4, the normal Output of laser of single-tube semiconductor laser 10, carries out cutting operation for the laser cut, the laser simultaneously for stopping blooding perform the operation in hemostasis; Unclamp foot switch, single-tube semiconductor laser 10 stops Output of laser, and Laser output interrupts, operation suspention.
In FIG, the hemoglobin absorption characteristic of blue laser, an order of magnitude higher than green laser, reaches 10 3/ cm; Water absorbs close with green laser, is 10 -3/ cm.Utilize blue laser by the characteristic of hemoglobin strong absorption, transmit and be irradiated to human lesion soft tissue, and excise.Described soft tissue can be nasal cavity, stomach, urinary system, gynecological, the region of interest soft tissues such as anorectal.
This laser energy is produced by single-tube semiconductor laser 10, and can be continuously (CW) mode, also can be pulse mode.Show pulsed operation state in the figure 7.The frequency-adjustable of pulse, dutycycle is adjustable from 1%--100%, and laser power is adjustable from 0.1W-30W.The laser energy that semiconductor laser light resource exports is passed to human lesion soft tissue by medical laser optical fiber 2, and the mode exported from optical fiber front end can be that the side that directly goes out along shaft axis of optic fibre or form an angle with shaft axis of optic fibre goes out.Such as medical laser optical fiber 2 core diameter is 200um, and front end exports as straight bright dipping mode.
Fig. 2 is structural representation of the present utility model, can find out by figure, semiconductor laser light resource 1 is connected with medical laser optical fiber 2, by medical laser optical fiber 2 by sent Laser output, semiconductor laser light resource 1 is electrically connected with Laser Power Devices and control system 5, Laser Power Devices and control system 5 control semiconductor laser light resource 1, and provide power supply for semiconductor laser light resource 1, Laser Power Devices and control system 5 are electrically connected with laser cooling system 3, control laser cooling system 3 to cool for semiconductor laser light resource 1, Laser Power Devices and control system 5 are electrically connected with foot switch 4, foot switch 4 controls the duty of Laser Power Devices and control system 5.
Laser Power Devices and control system 5, power to all single-tube semiconductor lasers 10 and instruction laser 7, and control the size of Output of laser power, continuously adjustabe.Man machine operation interface is provided, carries out controlling and working in the mode touching display interface.Touch display interface and be provided with hemostasis and cutting button, the laser that the laser that can export for hemostasis and cutting export, carry out control and the adjustment of the aspect such as power, wavelength.Such as, the laser that can input hemostasis output is the infrared light of wavelength 980nm, and the laser that cutting exports is the blue laser of wavelength 450nm, and pilot light is the laser of wavelength 635nm.Control foot switch 4 and detection system duty.Control air cooling system 3 and the temperature of monitoring heat sink 19 in real time, once temperature changes, by keeping the work of semiconductor laser constant temperature to the automatic control of TEC attemperating unit 20.Control to run to reach laser efficient stable by the high-precision temperature of TEC.TEC attemperating unit 20 design optimized reduces the volume of laser surgery system.
Fig. 3 is the structural representation of semiconductor laser light resource 1 of the present utility model.Semiconductor laser light resource 1 is primarily of single tube coupling module 6, and instruction light source 7 and optical-fiber bundling device 8 form.N number of single tube coupling module 6 is all by optical fiber 9 coupling output, and N number of optical fiber 9 is coupled in a medical laser optical fiber 2 by optical-fiber bundling device 8 and goes, to obtain more high-octane Laser output.In like manner, M single tube coupling module 6 is all by optical fiber 9 coupling output, and M optical fiber 9 is coupled in a medical laser optical fiber 2 by optical-fiber bundling device 8 and goes, to obtain more high-octane Laser output.If the energy aW that each single tube coupling module 6 exports, Laser output gross energy is exactly N*aW+M*aW.Such as, each single mode coupling module output 2W, adopts the mode of 60 die combination bundles, the blue laser power 120W of total output.
Also can find out in Fig. 3, instruction light source 7 by optical fiber 9 coupling output, then to be restrainted together with laser with N by optical-fiber bundling device 8 and is coupled in medical laser optical fiber 2, and is passed to human lesion soft tissue.The laser that instruction light source 7 sends can be red 635nm laser, also can be green 532nm laser.Indicating light source 7 continuous firing during work, not by the control of foot switch 4, during for not carrying out cut, helping patient to determine laser work position.Such as, the red pilot light of 635nm is adopted, laser power 5mW.
Fig. 4 a-4c is the structural representation of single tube coupling module 6 of the present utility model.Single tube coupling module 6 is by single-tube semiconductor laser 10 sequential filming or impulse ejection polarization laser.Comprise in the single tube coupling module 6 of the vertical single-tube semiconductor laser 10 of two polarization states, single-tube semiconductor laser 10 Emission Lasers that two polarization states are vertical, by shaping lens 11 shaping, be combined into light beam by polarization coupled prism 12, be coupled into optical fiber 9 through coupling focusing lens 13.Comprise in the single tube coupling module 6 of single single-tube semiconductor laser 10, single-tube semiconductor laser 10 Emission Lasers, after shaping lens 11 shaping, be coupled into optical fiber 9 by coupling focusing lens 13.Comprise in the single tube coupling module 6 of multiple single-tube semiconductor laser 10, multiple single-tube semiconductor laser 10 Emission Lasers, after shaping lens 11 shaping, pools a branch of spatial light by deflecting mirror 14, is coupled into optical fiber 9 through coupling focusing lens 13.Coupling focusing lens 13 can be sphere or aspherical lens, and can be the battery of lens of a slice eyeglass or many eyeglasses composition, coupling focusing lens 13 be encapsulated in coupling cover tube shell 15 together with optical fiber 9, can adopt to be fixed or viscose glue is fixed.Such as, adopt the mode of two single tube polarization coupled, single tube is To56 packing forms, and each single tube output wavelength is the laser 1.6W of 447nm, coupled fiber output 2W.
Fig. 5 a-5b is the structural representation of optical-fiber bundling device 8 of the present utility model.Optical-fiber bundling device 8 is (N+M+1) * 1 type structure, i.e. N+M+1 road input, 1 tunnel exports, and wherein, N road is input as the blue laser of 440nm-460nm, for cutting soft tissue.M road is input as the laser of a kind of or combination in 808nm, 980nm and 1470nm, utilizes the good water absorption characteristic of the laser of its this wavelength to stop blooding.Send the single-tube semiconductor laser 10 of the laser of this wavelength, the wavelength of the laser sent can be switched according to the control of Laser Power Devices and control system 5, patient is controlled as the case may be and regulates the wavelength of laser.1 tunnel is input as 635nm redness or the green instruction laser of 532nm.Low power laser is combined into a road high power laser by optical-fiber bundling device 8 export.The high power laser obtained can be used for Soft tissue cutting.The laser of N road input is the blue laser of 440nm-460nm, and 1 tunnel is 635nm redness or the green instruction laser of 532nm.Laser energy is delivered to the pathological tissues needing excision by 1 road Output of laser optical fiber, such as ureter and renal pelvis tissue surface.Described input optical fibre is the little core diameter thin optic fibre of multimode, and a road output optical fibre is multimode fibre, and core diameter is from 200um-760um.Such as, adopt 71*1 type structure, the blue laser input of 447nm of 60 road 2W, the 980nm iraser input of 10 road 2W, the red Laser output of 1 road 635nm, the optical fiber 9 of input adopts the optical fiber of 105um core diameter, the medical laser optical fiber 2 of output to adopt the optical fiber of 200um core diameter.
See Fig. 5 a, the input of optical-fiber bundling device 8 is positioned at the outfan rear of optical fiber 9, described optical fiber 9 is by the coupled lens 17 in the laser exported in single tube coupling module 6 and the instruction laser input optical fibre beam merging apparatus 8 indicating output in light source 7, light beam is coupled as through coupled lens 17, enter in medical laser optical fiber 2, export.See Fig. 5 b, the input of the outfan connecting fiber bundling device 21 of optical fiber 9, the outfan of optical-fiber bundling device 21 connects the input closing bundle optical fiber 22.The input of optical-fiber bundling device 8 is positioned at the outfan rear of closing bundle optical fiber 22, described optical fiber 9 is by the coupled lens 17 in the laser exported in single tube coupling module 6 and the instruction laser input optical fibre beam merging apparatus 8 indicating output in light source 7, light beam is coupled as through coupled lens 17, enter in medical laser optical fiber 2, export.
The structural representation of Fig. 6 laser cooling system 3 of the present utility model.Laser cooling system 3 comprises heat sink 19 and TEC attemperating unit 20, is fixed on by all single-tube semiconductor lasers 10 on same heat sink 19, and the material of heat sink 19 is the good material of red copper, pyrite or other heat conductivity.The heat that single-tube semiconductor laser 10 sends passes by heat sink 19.Be TEC attemperating unit 20 below heat sink 19, Absorbable rod is heat sink 19 heat and discharge system by air cooled mode, ensure that heat sink 19 are in temperature constant state simultaneously.Control to run to reach laser efficient stable by the high-precision temperature of TEC.The TEC temperature-controlled cooling system design optimized reduces the volume of laser surgery system.
Fig. 7 is the pulsed operation state diagram that single-tube semiconductor laser 10 of the present utility model sends.As shown in Figure 7, t0-t1 is the normal Output of laser of semiconductor laser light resource 1, and now foot switch 4 is for stepping on state.T1-t2 is operation suspention state, and now foot switch 4 unclamps, and Laser output interrupts.
In figure, 1 is semiconductor laser light resource, 2 is medical laser optical fiber, 3 is laser cooling system, 4 is foot switch, 5 is Laser Power Devices and control system, 6 is single tube coupling module, 7 is instruction light source, 8 is optical-fiber bundling device, 9 is optical fiber, 10 is single-tube semiconductor laser, 11 is shaping lens, 12 is polarization coupled prism, 13 is coupling focusing lens, 14 is deflecting mirror, 15 is coupling cover tube shell, 16 is coupled lens seat, 17 is coupled lens, 18 is fiber connector, 19 is heat sink, 20 is TEC attemperating unit, 21 is optical-fiber bundling device, 22 for closing bundle optical fiber.

Claims (10)

1. a high-power semiconductor laser operation device, it is characterized in that: comprise semiconductor laser light resource (1), described semiconductor laser light resource (1) is connected with medical laser optical fiber (2), by medical laser optical fiber (2) by sent Laser output, described semiconductor laser light resource (1) is electrically connected with Laser Power Devices and control system (5), described Laser Power Devices and control system (5) control semiconductor laser light resource (1), and provide power supply for semiconductor laser light resource (1), described Laser Power Devices and control system (5) are electrically connected with laser cooling system (3), control laser cooling system (3) to cool for semiconductor laser light resource (1), described Laser Power Devices and control system (5) are electrically connected with foot switch (4), described foot switch (4) controls the duty of Laser Power Devices and control system (5).
2. a kind of high-power semiconductor laser operation device according to claim 1, it is characterized in that: described semiconductor laser light resource (1) comprises multiple single tube coupling module (6), described single tube coupling module (6) is by optical fiber (9) coupling output; Described semiconductor laser light resource (1) also comprises single instruction light source (7), and described instruction light source (7) is exported by optical fiber (9); Described optical fiber (9) is coupled by optical-fiber bundling device (8); Described optical-fiber bundling device (8), by the sharp combiner in multiple optical fiber (9), is coupled in medical laser optical fiber (2), and is exported by medical laser optical fiber (2).
3. a kind of high-power semiconductor laser operation device according to claim 2, is characterized in that:
Described single tube coupling module (6) comprises the vertical single-tube semiconductor laser (10) of two polarization states, described single-tube semiconductor laser (10) is connected with shaping lens (11), described shaping lens (11) is connected by laser with polarization coupled prism (12), described polarization coupled prism (12) is connected by laser with coupling focusing lens (13), described coupling focusing lens (13) is connected by laser with optical fiber (9), described coupling focusing lens (13) and the mode that optical fiber (9) employing is fixed or viscose glue is fixing are encapsulated in coupling cover tube shell (15), the blue laser that described single-tube semiconductor laser (10) sends, by exporting after shaping lens (11) shaping, export after two blue laser polarizations being coupled as light beam by polarization coupled prism (12), optical fiber (9) is coupled into by coupling focusing lens (13), export.
4. a kind of high-power semiconductor laser operation device according to claim 2, it is characterized in that: described single tube coupling module (6) comprises single single-tube semiconductor laser (10), described single-tube semiconductor laser (10) is connected with shaping lens (11), described shaping lens (11) is connected by laser with coupling focusing lens (13), described coupling focusing lens (13) is connected by laser with optical fiber (9), described coupling focusing lens (13) and the mode that optical fiber (9) employing is fixed or viscose glue is fixing are encapsulated in coupling cover tube shell (15), described single-tube semiconductor laser (10) can in a continuous manner or pulse mode send frequency-adjustable, dutycycle is adjustable, the blue laser of power adjustable, the adjustable extent of the dutycycle of this blue laser is 1-100%, the adjustable extent of power is 0.1-300.0W, this blue laser exports by after shaping lens (11) shaping, optical fiber (9) is coupled into by coupling focusing lens (13), export.
5. a kind of high-power semiconductor laser operation device according to claim 2, it is characterized in that: described single tube coupling module (6) comprises multiple single-tube semiconductor laser (10), described single-tube semiconductor laser (10) is connected with shaping lens (11), described shaping lens (11) is connected by laser with deflecting mirror (14), described deflecting mirror (14) is connected by laser with coupling focusing lens (13), described coupling focusing lens (13) is connected by laser with optical fiber (9), described coupling focusing lens (13) and the mode that optical fiber (9) employing is fixed or viscose glue is fixing are encapsulated in coupling cover tube shell (15), the blue laser that described single-tube semiconductor laser (10) sends, by exporting after shaping lens (11) shaping, export after many blue laser being pooled light beam by deflecting mirror (14), optical fiber (9) is coupled into by coupling focusing lens (13), export.
6. a kind of high-power semiconductor laser operation device according to claim 3 or 4 or 5, is characterized in that: described coupling focusing lens (13) comprises the battery of lens of a slice eyeglass or many eyeglasses composition, and its eyeglass is sphere or aspherical lens.
7. a kind of high-power semiconductor laser operation device according to claim 2, it is characterized in that: described optical-fiber bundling device (8) comprises coupled lens (17), described coupled lens (17) is arranged in coupled lens seat (16), also be provided with fiber connector (18) in described coupled lens seat (16), described fiber connector (18) is for fixing medical laser optical fiber (2);
Described optical-fiber bundling device (8) is (N+M+1) * 1 type structure, i.e. N+M+1 road input, 1 tunnel exports, wherein, N road is input as the blue laser of 440nm-460nm, M road is input as the laser of a kind of or combination in 808nm, 980nm and 1470nm, and 1 tunnel is input as instruction laser; The input of described optical-fiber bundling device (8) is positioned at the outfan rear of optical fiber (9), described optical fiber (9) is by the laser exported in single tube coupling module (6) and the coupled lens (17) indicated in middle instruction laser input optical fibre beam merging apparatus (8) exported of light source (7), light beam is coupled as through coupled lens (17), enter in medical laser optical fiber (2), export.
8. a kind of high-power semiconductor laser operation device according to claim 2, it is characterized in that: described instruction light source (7) can send for positioning work position instruction laser, and described instruction laser is red 635nm laser or green 532nm laser.
9. a kind of high-power semiconductor laser operation device according to claim 1, is characterized in that: the way of output of described medical laser optical fiber (2) front end comprises the side that directly goes out along shaft axis of optic fibre or form an angle with shaft axis of optic fibre and goes out.
10. a kind of high-power semiconductor laser operation device according to claim 1, it is characterized in that: described laser cooling system (3) comprises heat sink (19) and TEC attemperating unit (20), described heat sink (19) are positioned at single-tube semiconductor laser (10) below, the heat sent by single-tube semiconductor laser (10) is passed by heat sink (19), described TEC attemperating unit (20) is positioned at heat sink (19) below, by the heat absorption of heat sink (19), and discharged by air cooled mode and discharge.
CN201520704044.2U 2015-09-11 2015-09-11 High -power semiconductor laser device of performing operation Expired - Fee Related CN205144726U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201520704044.2U CN205144726U (en) 2015-09-11 2015-09-11 High -power semiconductor laser device of performing operation

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201520704044.2U CN205144726U (en) 2015-09-11 2015-09-11 High -power semiconductor laser device of performing operation

Publications (1)

Publication Number Publication Date
CN205144726U true CN205144726U (en) 2016-04-13

Family

ID=55680473

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201520704044.2U Expired - Fee Related CN205144726U (en) 2015-09-11 2015-09-11 High -power semiconductor laser device of performing operation

Country Status (1)

Country Link
CN (1) CN205144726U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105167848A (en) * 2015-09-11 2015-12-23 西安交通大学第一附属医院 High-power semiconductor laser operation system
CN110638522A (en) * 2019-09-17 2020-01-03 广东普洛宇飞生物科技有限公司 Nano laser probe

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105167848A (en) * 2015-09-11 2015-12-23 西安交通大学第一附属医院 High-power semiconductor laser operation system
CN105167848B (en) * 2015-09-11 2018-06-19 西安蓝极医疗电子科技有限公司 A kind of high-power semiconductor laser surgery systems
CN110638522A (en) * 2019-09-17 2020-01-03 广东普洛宇飞生物科技有限公司 Nano laser probe

Similar Documents

Publication Publication Date Title
CN205144725U (en) Multi -wavelength semiconductor laser device of performing operation
CN105167847A (en) Multi-wavelength semiconductor laser operating system
CN105167846A (en) Semiconductor blue laser surgical system
CN101874914B (en) Positioning system for photodynamic therapy and fluorescence diagnosis
CN104491989A (en) Multifunctional laser therapeutic instrument
CN103479428B (en) A kind of laser lipolysis system
CN100581498C (en) 1064nm semiconductor laser therapeutic instrument
CN103494641B (en) A kind of multifunctional laser therapeutic combined system and method
CN205144726U (en) High -power semiconductor laser device of performing operation
CN109044526B (en) Dual wavelength laser and laser therapeutic instrument
US4785456A (en) Self-contained laser system
CN102553086A (en) Dual-wavelength laser treatment device
CN201727851U (en) Photodynamic therapy and fluorescent diagnostic positioning system
CN105167848A (en) High-power semiconductor laser operation system
CN205163242U (en) Blue laser surgery device of semiconductor
CN201505178U (en) Green laser therapy apparatus
CN106943191B (en) 2-micrometer laser medical device with in-vivo lithotripsy and soft tissue excision
CN109950781A (en) 1940nm thulium-doped all-fiber laser device and medical device based on the laser
CN209472199U (en) 1940nm thulium-doped all-fiber laser device and medical device based on the laser
CN201806781U (en) Optic fiber retransmission type optic fiber laser operation device
CN204364121U (en) Low-power portable Green laser surgery equipment
CN113712663A (en) Thulium-doped optical fiber laser treatment device
CN105708546A (en) Laser scalpel pen
CN213489247U (en) Split type laser therapy apparatus
CN201126922Y (en) High-capacity 2 [mu]m wavelength medical thulium laser

Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20160413

Termination date: 20190911

CF01 Termination of patent right due to non-payment of annual fee