CN101999934A - Portable varicosity semiconductor laser therapeutic apparatus - Google Patents
Portable varicosity semiconductor laser therapeutic apparatus Download PDFInfo
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- CN101999934A CN101999934A CN 201010549502 CN201010549502A CN101999934A CN 101999934 A CN101999934 A CN 101999934A CN 201010549502 CN201010549502 CN 201010549502 CN 201010549502 A CN201010549502 A CN 201010549502A CN 101999934 A CN101999934 A CN 101999934A
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Abstract
The invention belongs to the technical field of laser medical equipment, and in particular relates to a portable varicosity semiconductor laser therapeutic apparatus. The portable varicosity semiconductor laser therapeutic apparatus comprises an interface circuit, a control unit, a laser linear array unit, a non-water-cooling heat dissipation unit, a beam shaping and coupling unit, a light guide arm unit and a system power supply, wherein a user sets the laser linear array unit by the interface unit; the control unit controls the work of the laser linear array unit according to input of the user; and the laser output by the laser linear array unit can treat human diseased vein through the beam shaping and coupling unit and the light guide arm unit. The therapeutic apparatus can be used for treating various varicose diseases, has the characteristics of convenience in operation, minimal invasion, short postoperative clinical observation period and the like and contributes to the therapy of the varicose diseases.
Description
Technical field
The invention belongs to the laser medical equipment technical field, relate to the armarium that uses in a kind of vascular surgery treatment, more specifically, relate to a kind of cirsoid portable semiconductor laser therapeutic apparatus that is used for.
Background technology
Varicosis is the modal disease of Venous system, and the main cause of formation is seldom to change because of keeping identical posture for a long time, and blood is accumulated lower limb, destroys vein valve and to produce venous pressure too high under the situation of accumulating over a long period, and causes varicosis.Varicosis mostly occurs at lower limb, leg skin emerge redness or blueness, similarly be the distortion blood vessel of Aranea, Lumbricus, perhaps as the lump tuberosity as the burr, unusual expansion swelling and varicose take place in vein, then are easy to generate repetitiousness ulcer, infection and hemorrhage phenomenon when serious.According to the sickness rate of statistics varicosis in the common man crowd is 20%, and the sickness rate in women crowd reaches more than 40%, and wherein varicose veins of the lower extremity is the principal disease in the Venous system, comprises great saphenous varicose vein, varix of small saphenous vein etc.
Present cirsoid Therapeutic Method roughly has: sclerosing agent treatment, the outer laser of blood vessel or pulsed light, surgery extract burn treatment in operation and the blood vessel, ubiquity Therapeutic Method complexity in the said method, the shortcoming that post-surgical trauma is bigger.
Summary of the invention
For overcoming deficiency of the prior art, the object of the present invention is to provide a kind of simple to operate, little traumatic portable varicosis semiconductor laser therapeutic instrument.
In order to solve the problems of the technologies described above, realize above-mentioned purpose, the present invention is achieved through the following technical solutions:
A kind of portable varicosis semiconductor laser therapeutic instrument, it comprises:
One realizes man-machine communication's interface unit, and described interface unit comprises: touch screen, be used for realization sound and light alarm when therapeutic instrument work is broken down acoustic-optic alarm, be used for keyboard and switch that the user is provided with button and deploy switch, be used to finish various therapeutic schemes, process data and treatment data storage data storage cell and be used for carrying out the data communication interface of data communication with host computer;
One control unit, described control unit comprises: microprocessor, D/A and A/D converter, described D/A and A/D converter are connected with described microprocessor respectively;
Described touch screen, acoustic-optic alarm, keyboard and switch, data storage cell and data communication interface are connected on the described control unit by the general I/O port of described microprocessor;
One laser linear array unit, the laser linear array unit comprises: semiconductor laser, digital-control constant-flow source and luminous power detecting unit;
Described digital-control constant-flow source detects output current, then detected current signal being sent into described A/D converter gathers, described microprocessor is controlled the output of described D/A according to the current signal of gathering, be used to adjust the output of described digital-control constant-flow source, described luminous power detecting unit is converted to the optical power signals of described semiconductor laser and sends into described A/D converter behind the signal of telecommunication and change, digital signal after the conversion is sent to described microprocessor, described microprocessor is regulated the output of described D/A by detected optical power signals, is used to adjust the output of described digital-control constant-flow source;
One no water-cooled heat-sink unit, described water-cooling unit comprises: temperature detecting unit and semiconductor cooler;
Described temperature detecting unit and described semiconductor cooler are installed together, the temperature that is used for the described semiconductor cooler of perception, the induced signal of described temperature detecting unit enters described A/D converter and carries out the real time temperature signals collecting, described microprocessor utilizes control algolithm that semiconductor cooler is controlled according to user's design temperature and various operating temperature;
One beam shaping and coupling unit, described beam shaping and coupling unit comprise: beam shaping system, coupled system, optical fiber interface, display lamp and close the bundle sheet;
The pilot light that laser that sends through the semiconductor laser of described beam shaping system shaping and described display lamp send by described state to close enter described coupled system after the bundle sheet closes bundle, described optical fiber interface is set on the described coupled system;
One light-conducting arm unit, described light-conducting arm unit comprises: medical optical fiber, naked fibre; Described medical optical fiber one end is connected with described optical fiber interface, and the other end is connected with described naked fibre, and described naked fibre is connected by the ill vein of conduit and human body; And one provide the system power supply of power supply for each system.
Preferably, described semiconductor laser adopts the long-life of aluminum-free quantum well structure, the high power semiconductor lasers of high reliability.
Preferably, the described bundle sheet that closes adopts 45 ° of quartz to close the bundle sheet.
Operation principle of the present invention is as follows:
The user is provided with by the mode of operation of described control unit to described semiconductor laser by described interface unit, described control unit is according to user's input, control described laser linear array cell operation, the laser of described laser linear array unit output connects the unitary medical optical fiber of described light-conducting arm after described beam shaping and coupling unit processing, described medical optical fiber is connected with described naked fibre, described naked fibre is connected by the ill vein of conduit and human body, promptly realizes and can treat the patient.
By the utilization of above technology, the present invention imports intravenous by optical fiber with superlaser, produces micro-bubble in blood, transfers energy to wall of vein, utilizes the heat effect of laser accurately to damage blood vessel, makes it closed and fibrosis, reaches smelting and treats purpose.Laser therapeutic apparatus of the present invention has following some advantage than traditional therapy: easy to operate, little traumatic, patient can walk and recover orthobiosis, postoperative clinical observation period immediately after treatment short etc.
Above-mentioned explanation only is the general introduction of technical solution of the present invention, for can clearer understanding technological means of the present invention, and can be implemented according to the content of description, below with preferred embodiment of the present invention and conjunction with figs. describe in detail as after.The specific embodiment of the present invention is provided in detail by following examples and accompanying drawing thereof.
Description of drawings
The present invention is further detailed explanation below in conjunction with drawings and embodiments.
Fig. 1 is the general frame figure of an embodiment of portable varicosis semiconductor laser therapeutic instrument of the present invention.
Fig. 2 is the circuit frame figure of digital-control constant-flow source of the present invention.
Fig. 3 is the circuit frame figure of luminous power detecting unit of the present invention.
Fig. 4 is the circuit frame figure of no water-cooled heat-sink unit of the present invention.
The specific embodiment
Referring to shown in Figure 1, having described wavelength is the population structure of the portable varicosis semiconductor laser therapeutic instrument of 810nm, and this is taken formula varicosis semiconductor laser therapeutic instrument and comprises:
One realizes man-machine communication's interface unit 110, and described interface unit 110 comprises: touch screen 111, be used for realization sound and light alarm when therapeutic instrument work is broken down acoustic-optic alarm 112, be used for keyboard and switch 113 that the user is provided with button and deploy switch, be used to finish various therapeutic schemes, process data and treatment data storage data storage cell 114 and be used for carrying out the data communication interface 115 of data communication with host computer;
One control unit 120, described control unit 120 comprises: microprocessor 121, D/A 122 and A/D converter 123;
One laser linear array unit 130, laser linear array unit 130 comprises: semiconductor laser 131, digital-control constant-flow source 132 and luminous power detecting unit 133;
One no water-cooled heat-sink unit 140, described water-cooling unit 140 comprises: temperature detecting unit 141 and semiconductor cooler 142;
One beam shaping and coupling unit 150, described beam shaping and coupling unit 150 comprise: beam shaping system 151, coupled system 152, optical fiber interface 153, display lamp 154 and close the bundle sheet 155;
One light-conducting arm unit 160, (60 comprise: medical optical fiber 161, naked fine 162 in described light-conducting arm unit;
Described medical optical fiber 161 1 ends are connected with described optical fiber interface 153, and the other end is connected with described naked fine 162, and described naked fine 162 pass through conduit 163 is connected with the ill vein 180 of human body, promptly realizes and can treat the patient;
And one provide the system power supply 170 of power supply for each system.
Further, touch screen 111 adopts accurate true color touch LCD screen, develop various man-machine communication's pictures very easily by configuration software, and adopt the Modbus serial port protocol to carry out data communication between the microprocessor 121, realize hommization, the multifunction at control interface, can be provided with continuously/multiple mode of operations such as pulse/multiple-pulse; Acoustic-optic alarm 112 adopts highlighted LED, common buzzer to realize sound and light alarm, controls by the general I/O port of microprocessor 121; Keyboard and switch 113 comprise that various users are provided with button and deploy switch, adopt the general I/O port of microprocessor 121 to control; Data storage cell 114 is mainly finished the storage of various therapeutic schemes, process data, treatment data etc., adopts SD card or mmc card just can realize the record of a plurality of data; Data communication interface 115 mainly is to be used for communicating with host computers such as PCs, in the design, directly adopts the integrated communication interface of microprocessor to get final product, and realizes 1 road USBDevice interface, 1 road RS232 interface or RS485 interface.
Further, microprocessor 121 adopts the AT91SAM7S128 chip of atmel corp, and A/D converter 123 need be finished the dc signal collection of 3 passages, and its required precision is 12, the switching rate of D/A 122 is less than 100 microseconds, and resolution is greater than 10.Microprocessor 121 is mainly according to user's request and treatment requirement, and in the general technical indication range of equipment, control semiconductor laser 131 is exported the laser that meets the demands, and makes the work of its high stable, and simultaneously, the output of finishing related data shows and storage; A/D converter 123 need be finished the output current collection of digital-control constant-flow source 132, the collection and the semiconductor laser 131 Output optical power signals collecting of semiconductor laser 131 operating temperature signals, microprocessor 121 is set relevant parameters according to the user, controls respectively; D/A 122 is used for controlling digital-control constant-flow source 132, makes the drive current of the semiconductor laser 131 that its output meets the demands.
Further, semiconductor laser 131 adopts the long-life of aluminum-free quantum well structure, the high power semiconductor lasers of high reliability, and centre wavelength can be 805nm～815nm, and breadth of spectrum line can be 0～5nm, and degree of stability can be ± 0.1%～± 3.0%.
Further, as shown in Figure 2, digital-control constant-flow source 132 comprises the first operational amplifier OP1, the second operational amplifier OP2, the first field effect transistor Q1 and sampling resistor R1, semiconductor laser 131 connects the drain electrode of the first field effect transistor Q1, the source electrode of the first field effect transistor Q1 connects sampling resistor R1, the grid of the first field effect transistor Q1 connects the outfan of the first operational amplifier OP1, the in-phase input end of the first operational amplifier OP1 connects D/A 122, the inverting input of the first operational amplifier OP1 connects the outfan of the second operational amplifier OP2, the outfan of the second operational amplifier OP2 connects the in-phase input end of A/D converter 123, the second operational amplifier OP2 and the two ends that inverting input is connected across sampling resistor R1.Digital-control constant-flow source 132 adopts output current to detect, the signal of sampling resistor R1 two ends in the digital-control constant-flow source 132 after through the second operational amplifier OP2 sent into A/D converter 123 to be gathered, microprocessor 121 is according to the current signal of gathering, can control the output of D/A 122, to reach the purpose of stablizing output current, can show the output current size in real time simultaneously.
Further, as shown in Figure 3, luminous power detecting unit 133 comprises the photodetector 13301 that connects successively, first amplifier 13302 and first wave filter 13303, first wave filter 13303 connects A/D converter 123, by being converted to the signal of telecommunication with optical power signals, amplifies and 13303 filtering of first wave filter through first amplifier 13302 again by photodetector 13301, the gained signal is through A/D converter 123, can reach the Output optical power that detects semiconductor laser 131, can regulate D/A 122 outputs by microprocessor 121, adjust digital-control constant-flow source 132 outputs, make the laser output of semiconductor laser 131 meet the demands, increase the constant of its output simultaneously.
Further, referring to shown in Figure 4, semiconductor cooler 142 adopts second, third, the 4th, the 5th field effect transistor Q2, Q3, Q4, Q5 H bridge that pipe is formed drives control, second, third, the grid of the 4th, the 5th field effect transistor Q2, Q3, Q4, Q5 isolates the back by photoelectricity respectively and is connected with general I/O port with the minimizing switching noise; Temperature detecting unit 141 connects second amplifier, 14001, the second amplifiers 14001 and connects second wave filter, 14002, the second wave filter, 14002 connection A/D converters 123.No water-cooled heat-sink unit 140 mainly is to guarantee that semiconductor laser 131 is in the set point of temperature normal and stable operation, can reach following technical specification: 20 ℃-30 ℃ of design temperatures; Temperature stability＜± 0.1 ℃; The type of cooling is air blast cooling; Cooling capacity is 0-60W.Temperature detecting unit 141 is installed together with semiconductor cooler 142, the temperature information of perception semiconductor cooler 142, described temperature information enters A/D converter 123 and carries out the real time temperature signals collecting through second amplifier 14001 and second wave filter 14002.Microprocessor 121 utilizes pid algorithm that semiconductor cooler 142 is controlled according to user's design temperature and various operating temperature.
Further, the laser that semiconductor laser 131 sends is by after 151 shapings of beam shaping system, with wavelength be the pilot light of 650nm, via to wavelength be 810nm high saturating, be that 650nm closes bundle sheet 155 and closes bundle for high anti-45 ° to wavelength, close light beam behind the bundle by coupled system 152 couplings, light beam after the coupling enters in the medical optical fiber 161 by optical fiber interface 153, by the laser facula by certain intensity distributions of medical optical fiber 161 outgoing, display lamp is by the general I/O port control of microprocessor 121.The power of pilot light can be single constant, also can be adjustable power, and the adjustment step-length is 1mW, and power is from 1mW～5mW.The core diameter of medical optical fiber 161 can be 200 μ m, also can be 400 μ m, also can be 600 μ m, also can be 800 μ m, also can be 1000 μ m.The intensity distributions of the output facula of semiconductor laser can be gaussian shaped profile, also can also can be this distribution of superelevation for flat-top distributes.
Further, conduit 163 adopts angiography catheter.Medical optical fiber 161 1 ends adopt the SMA905 interface of standard to dock with optical fiber interface 153, and the other end connects naked fine 162, put into conduit 163 with naked fine 162, and deliver to the ill vein 180 of human body.
Further, system power supply 170 mainly comprises the power supply etc. of power supply, master controller and the interface circuit of power supply that semiconductor laser drives, temperature control system of semiconductor laser.Adopt one to exchange commentaries on classics direct-current switch power supply module, power is 450W, the AC signal of input voltage range 180V-264V; Output voltage is the 24V direct current signal, the voltage of 24V is provided and provides dc source as other voltage signal directly for touch screen 111.Adopt a DC-DC power supply module, power is 350W, and input voltage range is the 19V-36V direct current signal, and output voltage is the 5V direct current signal, directly gives semiconductor laser 131 drivings and does not have 140 power supplies of water-cooled heat-sink unit.Adopt a DC-DC power supply module to power for microprocessor 121 again, its power ratio is less, directly selects for use monolithic integrated switch voltage dropping power supply chip to realize, needs the level of several grades such as output 5V, 3.3V, 1.8V.
Portable varicosis semiconductor laser therapeutic instrument of the present invention does not have the water-cooled heat dissipation technology by adopting intelligentized Control System Design, portable laser power drives technology, efficient fiber coupling technique and high power semiconductor lasers, makes therapeutic equipments have characteristics such as integrated, portable, intellectuality.This therapeutic instrument can be used for treating all kinds of varicose vein diseases, has characteristics such as easy to operate, little traumatic, postoperative clinical observation period is short, has made things convenient for the treatment of varicose vein disease.
The foregoing description just is to allow the one of ordinary skilled in the art can understand content of the present invention and enforcement according to this for technical conceive of the present invention and characteristics being described, its objective is, can not limit protection scope of the present invention with this.The variation or the modification of every equivalence that the essence of content has been done according to the present invention all should be encompassed in protection scope of the present invention.
Claims (6)
1. a portable varicosis semiconductor laser therapeutic instrument is characterized in that, comprising:
One realizes man-machine communication's interface unit (110), and described interface unit (110) comprising: touch screen (111), be used for realization sound and light alarm when therapeutic instrument work is broken down acoustic-optic alarm (112), be used for keyboard and switch (113) that the user is provided with button and deploy switch, be used to finish various therapeutic schemes, process data and treatment data storage data storage cell (114) and be used for carrying out the data communication interface (115) of data communication with host computer;
One control unit (120), described control unit (120) comprising: microprocessor (121), D/A (122) and A/D converter (123), and described D/A (122) and A/D converter (123) are connected with described microprocessor (121) respectively;
Described touch screen (111), acoustic-optic alarm (112), keyboard and switch (113), data storage cell (114) and data communication interface (115) are connected on the described control unit (120) by the general I/O port of described microprocessor (121);
One laser linear array unit (130), laser linear array unit (130) comprising: semiconductor laser (131), digital-control constant-flow source (132) and luminous power detecting unit (133);
Described digital-control constant-flow source (132) detects output current, then detected current signal being sent into described A/D converter (123) gathers, described microprocessor (121) is controlled the output of described D/A (122) according to the current signal of gathering, be used to adjust the output of described digital-control constant-flow source (132), described luminous power detecting unit (133) is converted to the optical power signals of described semiconductor laser (131) and sends into described A/D converter (123) behind the signal of telecommunication and change, digital signal after the conversion is sent to described microprocessor (121), described microprocessor (121) is regulated the output of described D/A (122) by detected optical power signals, is used to adjust the output of described digital-control constant-flow source (132);
One no water-cooled heat-sink unit (140), described water-cooling unit (140) comprising: temperature detecting unit (141) and semiconductor cooler (142);
Described temperature detecting unit (141) is installed together with described semiconductor cooler (142), the temperature that is used for the described semiconductor cooler of perception (421), the induced signal of described temperature detecting unit (141) enters described A/D converter (123) and carries out the real time temperature signals collecting, described microprocessor (121) utilizes control algolithm that semiconductor cooler (421) is controlled according to user's design temperature and various operating temperature;
One beam shaping and coupling unit (150), described beam shaping and coupling unit (150) comprising: beam shaping system (151), coupled system (152), optical fiber interface (153), display lamp (154) and close the bundle sheet (155);
The pilot light that laser that sends through the semiconductor laser (131) of described beam shaping system (151) shaping and described display lamp (154) send by described state to close enter described coupled system (152) after bundle sheet (155) closes bundle, described optical fiber interface (153) is set on the described coupled system (152);
One light-conducting arm unit (160), described light-conducting arm unit (160) comprising: medical optical fiber (161), naked fibre (162);
Described medical optical fiber (161) one ends are connected with described optical fiber interface (153), and the other end is connected with described naked fibre (162), and described naked fibre (162) is connected with the ill vein of human body (180) by conduit (163);
And one provide the system power supply (170) of power supply for each system.
2. portable varicosis semiconductor laser therapeutic instrument according to claim 1 is characterized in that, described semiconductor laser (131) adopts the long-life of aluminum-free quantum well structure, the high power semiconductor lasers of high reliability.
3. portable varicosis semiconductor laser therapeutic instrument according to claim 1 is characterized in that, the described bundle sheet (155) that closes adopts 45 ° of quartz to close the bundle sheet.
4. according to claim 1 or 2 or 3 described portable varicosis semiconductor laser therapeutic instruments, it is characterized in that, described digital-control constant-flow source (132) comprising: first operational amplifier (OP1), second operational amplifier (OP2), first field effect transistor (Q1) and sampling resistor (R1), described semiconductor laser (131) connects the drain electrode of described first field effect transistor (Q1), the source electrode of described first field effect transistor (Q1) connects described sampling resistor (R1), the grid of described first field effect transistor (Q1) connects the outfan of described first operational amplifier (OP1), the in-phase input end of described first operational amplifier (OP1) connects described D/A (122), the inverting input of described first operational amplifier (OP1) connects the outfan of described second operational amplifier (OP2), the outfan of described second operational amplifier (OP2) connects described A/D converter (123), and the in-phase input end of described second operational amplifier (OP2) and inverting input are connected across the two ends of described sampling resistor (R1).
5. according to claim 1 or 2 or 3 described portable varicosis semiconductor laser therapeutic instruments, it is characterized in that, described luminous power detecting unit (133) comprises photodetector (13301), first amplifier (13302) and first wave filter (13303) that connects successively, described first wave filter (13303) connects described A/D converter (123), and described photodetector (13301) converts the laser signal that detects to the signal of telecommunication after first amplifier (13302) amplifies, send into described A/D converter (123) after first wave filter (13303) filtering.
6. according to claim 1 or 2 or 3 described portable varicosis semiconductor laser therapeutic instruments, it is characterized in that, described semiconductor cooler (142) adopts second, third, the 4th, the 5th field effect transistor (Q2), (Q3), (Q4), (Q5) H bridge that pipe is formed drives control, described second, third, the grid of the 4th, the 5th field effect transistor (Q2), (Q3), (Q4), (Q5) isolates the back by photoelectricity respectively and is connected with general I/O port; Described temperature detecting unit (141) connects second amplifier (14001), and described second amplifier (14001) connects second wave filter (14002), and described second wave filter (14002) connects described A/D converter (123).
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| CN102512767A (en) * | 2011-11-23 | 2012-06-27 | 北京百纳威尔科技有限公司 | Mobile terminal with laser physical therapy function |
| CN103055429A (en) * | 2013-01-11 | 2013-04-24 | 武汉博激世纪科技有限公司 | Red light photodynamic therapy system |
| CN109011193A (en) * | 2018-08-25 | 2018-12-18 | 武汉高科恒大光电有限公司 | A kind of laser therapeutic apparantus energy regulating system and method |
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| CN101999934B (en) | 2012-10-24 |
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