CN103055429A - Red light photodynamic therapy system - Google Patents
Red light photodynamic therapy system Download PDFInfo
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- CN103055429A CN103055429A CN2013100120511A CN201310012051A CN103055429A CN 103055429 A CN103055429 A CN 103055429A CN 2013100120511 A CN2013100120511 A CN 2013100120511A CN 201310012051 A CN201310012051 A CN 201310012051A CN 103055429 A CN103055429 A CN 103055429A
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Abstract
The invention discloses a red light photodynamic therapy system. The red light photodynamic therapy system comprises a signal control module 101, a display module 104, a luminous power detection module 103, a current drive module 102, a power module 105 and a laser device 205. The signal control module 101 is respectively connected with the display module 104, the luminous power detection module 103, the current drive module 102 and the power module 105. The laser device 205 is respectively connected with the current drive module 102 and the luminous power detection module 103. The power module 105 is respectively connected with the display module 104, the luminous power detection module 103 and the current drive module 102. In the process of actual use, by means of the red light photodynamic therapy system, a laser device can output laser continuously, and outputted luminous power is stable. Meanwhile, structural advantages of high safety and high laser accuracy can be realized, and therefore effect of the red light photodynamic therapy system in clinical application is stable, reliable and obvious.
Description
Technical field
The invention belongs to the armarium design field, particularly a kind of HONGGUANG photodynamic therapy system.
Background technology
At present along with using the laser power therapeutic instrument to treat various cancers, refractory skin, or the clinical practice of using as physical therapy day by day increases, and the demand of laser power therapeutic instrument is also constantly increased.But the laser power therapeutic instrument penetrates function because the red laser in this scope has satisfied tissue, and obtains preferably clinical therapeutic efficacy with the photosensitizer interaction energy mainly take the HONGGUANG of wavelength 630nm-670nm as operation wavelength.It is to obtain the prerequisite of theory on treatment effect under the current techniques condition as operation wavelength that the laser power therapeutic instrument utilizes the HONGGUANG of wavelength 630nm-670nm, want in clinical, conscientiously to attain the results expected, also have multiple factors to need to consider, wherein during the continuous bright dipping of red laser, the stability of laser optical power is one of important impact, this impact can be divided into the impact that laser drive current must fluctuate and laser temperature fluctuates, general temperature is principal element in these two kinds of influence factors, because it is extremely responsive to temperature that the laser module in the red light wavelength scope goes out luminous power, the impact of this temperature should be effectively addressed in the design of laser therapeutic apparatus, but the temperature control that the red laser therapeutic instrument on the Present Medical market has only been done general curative laser to the control of temperature is processed.Another important factor in order is exactly the manual operation program of laser therapeutic apparatus in clinical practice.
Summary of the invention
Technical problem to be solved by this invention provides and a kind ofly can realize the continuous bright dipping of laser instrument and the stable HONGGUANG photodynamic therapy system of Output optical power.
For solving the problems of the technologies described above, the invention provides a kind of HONGGUANG photodynamic therapy system, comprising: signal controlling module, display module, optical power detecting module, current drives module, power module and laser instrument; Described signal controlling module is connected with described display module, optical power detecting module, current drives module and power module respectively; Described laser instrument is connected with described current drives module, described luminous power detection module respectively; Described power module is connected with described display module, described optical power detecting module and described current drives module respectively.
Further, described signal controlling module comprises: the first single-chip microcomputer, second singlechip; Described the first single-chip microcomputer is connected with described display module, described optical power detecting module, described power module and described current drives module respectively; Described second singlechip is connected with described current drives module, described power module and described the first single-chip microcomputer respectively.
Further, described optical power detecting module comprises: signal amplifies transmission circuit, PD detector and optical signal transfer unit; Described signal amplifies transmission circuit and is connected with described the first single-chip microcomputer, described PD detector and described power module respectively; Described PD detector is connected with described power module, and carries out the optical signal transmission by described optical signal transfer unit (via optical fiber) and described laser instrument.
Further, described optical signal transfer unit is optical cavity; Described optical cavity inwall is provided with the barium sulfate coating.
Further, described current drives module comprises: temperature control unit, laser diode driver circuit; Described temperature control unit is connected with described second singlechip, described power module, described laser diode driver circuit respectively; Described laser diode driver circuit is connected with described the first single-chip microcomputer, described laser instrument respectively.
Further, described temperature control unit comprises: temperature detection circuit, TEC drive circuit and TEC cooling piece; Described temperature detection circuit is connected with described TEC drive circuit by described second singlechip, and is connected with described laser instrument and carries out temperature sensing; Described TEC drive circuit is connected with described TEC cooling piece, is used for controlling described laser temperature; Described TEC cooling piece is connected with described power module.
Further, described power module comprises: the first open the light power supply, second switch power supply, relay and gauge tap; Described the first Switching Power Supply is connected with described laser diode driver circuit, and it exchanges the break-make of input by described Control by the signal controlling module; Described second switch power supply is connected with described display module, described signal controlling module, described temperature control unit, described optical power detecting module respectively, is used for each circuit unit of each module is powered; Described gauge tap is connected with described the first Switching Power Supply, described second switch power supply respectively, is used for controlling the open and close of described HONGGUANG photodynamic therapy system.
Further, described display module is touch-screen display; Described the first Switching Power Supply is+the 5V Switching Power Supply; Described second switch power supply is+the 12V Switching Power Supply.
Further, also comprise: alarm module; Described alarm module comprises: detecting unit, indicating member; Described detecting unit, described indicating member are connected with described the first single-chip microcomputer respectively.
Further, described detecting unit comprises: power sense circuit, optical fiber connection detection circuit, safety interlocking testing circuit, foot switch connection detection circuit, fiber optic temperature testing circuit, laser optical temperature sensing circuit and laser optical current detection circuit; Described the first single-chip microcomputer is connected with each circuit in the described detecting unit respectively; Described indicating member comprises: LED lamp, speaker; Described the first single-chip microcomputer is connected with described LED lamp, described speaker respectively.
HONGGUANG photodynamic therapy system provided by the invention is connected with display module, optical power detecting module, current drives module and power module respectively by the signal controlling module; Laser instrument is connected with current drives module, luminous power detection module respectively; Power module is connected with display module, optical power detecting module and current drives module respectively; Realized that the continuous bright dipping of laser instrument and Output optical power are stable, simultaneously, also had security performance height, construction features that the laser quasi exactness is high, so that the present invention's effect in clinical practice is more stable, reliable, remarkable.
Description of drawings
The HONGGUANG photodynamic therapy system theory structure block diagram that Fig. 1 provides for the embodiment of the invention.
Line connecting relation sketch map in the HONGGUANG photodynamic therapy system work process that Fig. 2 provides for the embodiment of the invention.
Optical power adjustment closed loop block diagram in the HONGGUANG photodynamic therapy system that Fig. 3 provides for the embodiment of the invention.
The HONGGUANG photodynamic therapy system operational flowchart that Fig. 4 provides for the embodiment of the invention.
The specific embodiment
Below in conjunction with accompanying drawing, the specific embodiment provided by the invention is described in further detail.
Referring to Fig. 1-2, a kind of HONGGUANG photodynamic therapy system that the embodiment of the invention provides comprises: signal controlling module 101, display module 104, optical power detecting module 103, current drives module 102, power module 105 and laser instrument 205.Wherein, signal controlling module 101 is connected with display module 104, optical power detecting module 103, current drives module 102 and power module 105 respectively.Laser instrument 205 is connected with current drives module 102, luminous power detection module 103 respectively.Power module 105 is connected with display module 104, optical power detecting module 103 and current drives module 102 respectively.
In the present embodiment, signal controlling module 101 comprises: the first single-chip microcomputer 201(core control single chip computer), second singlechip 202(thermostatic control single-chip microcomputer).Wherein, the first single-chip microcomputer 201 is connected with display module 104 by the touch screen display interface, be connected with optical power detecting module 103 by the optical power detecting interface, be connected with power module 105 by power interface, be connected with current drives module 102 by the current driving circuit interface.Simultaneously, second singlechip 202 also is connected with current drives module 102 by the current driving circuit interface, is connected with power module 105 by power interface, and is connected with the first single-chip microcomputer 201.
In the present embodiment, optical power detecting module 103 comprises: signal amplifies transmission circuit 209, PD detector 210 and optical signal transfer unit.Wherein, signal amplification transmission circuit 209 is connected with the first single-chip microcomputer 201, PD detector 210 and power module 105 respectively; PD detector 210 is connected with power module 105, and carries out the optical signal transmission by optical signal transfer unit (via optical fiber S0) and laser instrument 205.
Preferably, the optical signal transfer unit is optical cavity 211(optical reflection mixing chamber structure).Simultaneously, optical cavity 211 inwalls are provided with the barium sulfate coating.In actual application, first the terminal column luminous body of optical fiber S0 is inserted optical cavity 211 fully, when laser instrument 205 bright dipping, enter the barium sulfate coating usable reflection that the red laser in the optical cavity 211 arranges through inwall, and concentrated shining on the PD detector 210, the signal of telecommunication that PD detector 210 produces send processing through the change that signal amplifies transmission circuit 209, be sent on the first single-chip microcomputer 201, carry out transferring to display module 104 after the calculation process through the first single-chip microcomputer 201 again, display module 104 just can demonstrate the luminous power of current lasers 205 outputs.
In the present embodiment, current drives module 102 comprises: temperature control unit, laser diode driver circuit 212.Wherein, temperature control unit is connected with second singlechip 202, power module 105, laser diode driver circuit 212 respectively; Laser diode driver circuit 212 is connected with the first single-chip microcomputer 201, laser instrument 205 respectively.
Preferably, temperature control unit comprises: temperature detection circuit 208, TEC drive circuit 206 and TEC cooling piece 207.Wherein, temperature detection circuit 208 is connected with TEC drive circuit 206 by second singlechip 202, and is connected with laser instrument 205 and carries out the real time temperature detection.Simultaneously, TEC drive circuit 206 is connected with TEC cooling piece 207, is used for control laser instrument 205 operating temperatures; TEC cooling piece 207 also is connected with power module 105.In actual applications, temperature detection circuit 208 passes to second singlechip 202 with the temperature signal of laser instrument 205, the output temperature control signal is to TEC drive circuit 206 after process second singlechip 202 calculation process, drive TEC cooling piece 207 refrigeration (comprising heating) by TEC drive circuit 206 again, finally make laser instrument 205 remain constant temperature.
In the present embodiment, power module 105 comprises: the first open the light power supply 301, second switch power supply 302, relay 304 and gauge tap 303.Wherein, the first Switching Power Supply 301 is connected with laser diode driver circuit 212, being used for driving laser diode drive circuit 212 is laser instrument 205 power supplies, and by the break-make of signal controlling module 101 by the 301 interchange inputs of relay 304 controls the first Switching Power Supply, and then effectively control laser instrument 205 power supplys and supply with.Second switch power supply 302 is connected with display module 104, signal controlling module 101, temperature control unit, optical power detecting module 103 respectively, is used for each circuit unit of each module is powered.Gauge tap is connected with the first Switching Power Supply 301, second switch power supply 302 respectively, is used for the open and close of the HONGGUANG photodynamic therapy system that the control present embodiment provides.
Preferably, relay 304 is solid-state relays, and solid-state relay mainly is the break-make that control the first Switching Power Supply 301 exchanges input, effectively controls laser power supply and supplies with.
Preferably, gauge tap 303 comprises: emergency stop switch, key switch.Wherein, emergency stop switch is used for the running of emergent stopping therapy system; Key switch is used for controlling under normal circumstances the running of therapy system.
Preferably, the first Switching Power Supply 301 is+the 5V Switching Power Supply; Second switch power supply 302 is+the 12V Switching Power Supply.Simultaneously, the power interface that is connected with power module 105 has comprised two DC-DC modular converters, namely can realize power module 105 output+12V ,-12V ,+5V(isolation) three kinds of voltages are that circuit unit is powered in above-mentioned each module.
Preferably, display module 104 is the touch-screen displays 203 that are made of LCDs and touch screen (resistance-type); And be connected with the first single-chip microcomputer 201 by the touch screen display interface, the realization operator is to the accurate control of therapy system.
In the present embodiment, in order to improve the security performance of therapy system in the operation engineering, also comprise: alarm module 204.Wherein, alarm module 204 comprises: detecting unit, indicating member.Simultaneously, detecting unit, indicating member are connected with the first single-chip microcomputer 201 by the security alarm interface respectively.
Preferably, detecting unit comprises: power sense circuit, optical fiber connection detection circuit, safety interlocking testing circuit, foot switch connection detection circuit, fiber optic temperature testing circuit, laser optical temperature sensing circuit and laser optical current detection circuit.The first single-chip microcomputer 201 is connected with each circuit in the above-mentioned detecting unit respectively, with the signal of telecommunication of each testing circuit output of Real-time Obtaining, and delivers to indicating member and carry out safe indication after software or hardware handles.Indicating member comprises: LED lamp, speaker and the indication of other software operation information.The first single-chip microcomputer 201 also is connected with above-mentioned LED lamp, speaker and the indication of other software operation information respectively.
The below participates in Fig. 3-4, is introduced and then HONGGUANG photodynamic therapy system provided by the invention is described in further detail by the control method to present embodiment:
Step S401: boot system self check; It comprises the detection of laser instrument power supply, optical fiber connection detection, safety interlocking detection, foot switch connection detection, fiber optic temperature detection, laser optical temperature detection and laser optical current detecting.
1, self check is obstructed out-of-date, and therapy system is made corresponding safe handling (as closing solid-state relay 304) automatically, and by the indicating member alarm;
When 2, self check is passed through, then automatically enter next step.
Step S402: select the dispersion fiber type and test peak power;
1, the optical fiber S0 that selects is inserted optical cavity 211, and select dispersion fiber type (having various length or shape such as luminous end) according to the type of selected optical fiber S0 at touch-screen display 203;
2, the operator carries out necessary safeguard procedures (such as the band protective eye lens);
3, step on foot-operatedly, laser instrument 205 bright dippings show the laser peak power on the touch-screen display 203, when the peak power test by the time, then the operator enters next step by touch-screen display 203 key entry " next step " instructions.
Step S403: laser power is set and detects luminous power; The operator is by touch screen or fly the shuttle key, and the treatment power demand is set.If the terminal column luminous body of optical fiber S0 this moment should insert optical cavity 211(fully and then not reinsert), step on foot-operatedly, laser instrument 205 bright dippings show the laser realtime power on the touch-screen display 203, and with setting power relatively;
If 1 shows that power (laser instrument 205 actual go out luminous power) is consistent with setting power, then the operator enters next step by touch-screen display 203 key entry " next step " instructions;
If 2 show that power (laser instrument 205 actual go out luminous power) are inconsistent with setting power, then the inner optical power adjustment closed loop (referring to Fig. 3) that consists of of the therapy system luminous power of automatically regulating laser instrument 205 outputs makes it reach setting power.The optical power adjustment closed loop adds electric pathway by light-path and consists of.Wherein, light-path comprises: laser instrument 205 bright dippings part, optical fiber S0, optical cavity 211; Electric pathway comprises: PD detector 210, signal amplify transmission circuit 209, the first single-chip microcomputer 201, laser diode driver circuit 212 and laser instrument 205 circuit parts.After optical power adjustment closed loop detection luminous power was finished, the operator keyed in " next step " instructions by touch-screen display 203 and enters next step.
Step S404: treatment time is set; The operator is by touch screen or fly the shuttle key, and the required time for the treatment of is set.And key in " next step " instructions by touch-screen display 203 and enter next step.
Step S405: treatment homepage treatment; By touch screen or fly the shuttle key and regulate laser designation light, be ready to actual therapeutic condition (as optical fiber S0 is inserted in the patient body), by touch screen and foot-operated compounding practice, therapy system bright dipping, treatment beginning.Touch-screen display 203 shows laser power, service time, remaining time and treatment energy.Key in " reseting the treatment parameter " order by touch-screen display 203 and return step S403, repetition parameter setting.Simultaneously, also can enter system by touch-screen display 203 key entry " system's setting " orders page or leaf is set.
Step S406: system's setting; The operator is by touch screen or fly the shuttle key, and system sounds indication volume, display screen backgrounds brightness are set.
Wherein, between step S404 and the step S405, the operator can confirm treatment parameter (laser power, treatment time, gross energy etc.), if the treatment parameter does not meet the treatment requirement, then the operator can enter step S404 from step S405 by touch-screen display 203 key entry " previous step " instructions and reset treatment time.(between step S402 and the step S403, between step S403 and the step S403, all can switch by operational order between step S405 and the step S406.）
HONGGUANG photodynamic therapy system provided by the invention is connected with display module 104, optical power detecting module 103, current drives module 102 and power module 105 respectively by signal controlling module 101.Laser instrument 205 is connected with current drives module 102, luminous power detection module 103 respectively.Power module 105 is connected with display module 104, optical power detecting module 103 and current drives module 102 respectively; Realized that laser instrument 205 continuous bright dippings and Output optical power are stable, simultaneously, also had security performance height, construction features that the laser quasi exactness is high, so that the present invention's effect in clinical practice is more stable, reliable, remarkable.
It should be noted last that, the above specific embodiment is only unrestricted in order to technical scheme of the present invention to be described, although with reference to example the present invention is had been described in detail, those of ordinary skill in the art is to be understood that, can make amendment or be equal to replacement technical scheme of the present invention, and not breaking away from the spirit and scope of technical solution of the present invention, it all should be encompassed in the middle of the claim scope of the present invention.
Claims (10)
1. a HONGGUANG photodynamic therapy system is characterized in that, comprising: signal controlling module, display module, optical power detecting module, current drives module, power module and laser instrument;
Described signal controlling module is connected with described display module, optical power detecting module, current drives module and power module respectively;
Described laser instrument is connected with described current drives module, described luminous power detection module respectively;
Described power module is connected with described display module, described optical power detecting module and described current drives module respectively.
2. described HONGGUANG photodynamic therapy system according to claim 1 is characterized in that described signal controlling module comprises: the first single-chip microcomputer, second singlechip;
Described the first single-chip microcomputer is connected with described display module, described optical power detecting module, described power module and described current drives module respectively;
Described second singlechip is connected with described current drives module, described power module and described the first single-chip microcomputer respectively.
3. described HONGGUANG photodynamic therapy system according to claim 2 is characterized in that described optical power detecting module comprises:
Signal amplifies transmission circuit, PD detector and optical signal transfer unit;
Described signal amplifies transmission circuit and is connected with described the first single-chip microcomputer, described PD detector and described power module respectively;
Described PD detector is connected with described power module, and carries out the optical signal transmission by described optical signal transfer unit and described laser instrument.
4. described HONGGUANG photodynamic therapy system according to claim 3, it is characterized in that: described optical signal transfer unit is optical cavity;
Described optical cavity inwall is provided with the barium sulfate coating.
5. described HONGGUANG photodynamic therapy system according to claim 3 is characterized in that described current drives module comprises: temperature control unit, laser diode driver circuit;
Described temperature control unit is connected with described second singlechip, described power module, described laser diode driver circuit respectively;
Described laser diode driver circuit is connected with described the first single-chip microcomputer, described laser instrument respectively.
6. described HONGGUANG photodynamic therapy system according to claim 5 is characterized in that described temperature control unit comprises: temperature detection circuit, TEC drive circuit and TEC cooling piece;
Described temperature detection circuit is connected with described TEC drive circuit by described second singlechip, and is connected with described laser instrument and carries out temperature sensing;
Described TEC drive circuit is connected with described TEC cooling piece, is used for controlling described laser works temperature;
Described TEC cooling piece is connected with described power module.
7. described HONGGUANG photodynamic therapy system according to claim 6 is characterized in that described power module comprises: the first open the light power supply, second switch power supply, relay and gauge tap;
Described the first Switching Power Supply is connected with described laser diode driver circuit, and it exchanges the break-make of input by described Control;
Described second switch power supply is connected with described display module, described signal controlling module, described temperature control unit, described optical power detecting module respectively, is used for each circuit unit of each module is powered;
Described gauge tap is connected with described the first Switching Power Supply, described second switch power supply respectively, is used for controlling the open and close of described HONGGUANG photodynamic therapy system.
8. described HONGGUANG photodynamic therapy system according to claim 7 is characterized in that:
Described display module is touch-screen display;
Described the first Switching Power Supply is+the 5V Switching Power Supply;
Described second switch power supply is+the 12V Switching Power Supply.
9. each described HONGGUANG photodynamic therapy system is characterized in that according to claim 2-8, also comprises: alarm module;
Described alarm module comprises: detecting unit, indicating member;
Described detecting unit, described indicating member are connected with described the first single-chip microcomputer respectively.
10. described HONGGUANG photodynamic therapy system according to claim 9 is characterized in that:
Described detecting unit comprises: power sense circuit, optical fiber connection detection circuit, safety interlocking testing circuit, foot switch connection detection circuit, fiber optic temperature testing circuit, laser optical temperature sensing circuit and laser optical current detection circuit;
Described the first single-chip microcomputer is connected with each circuit in the described detecting unit respectively;
Described indicating member comprises: LED lamp, speaker;
Described the first single-chip microcomputer is connected with described LED lamp, described speaker respectively.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103877679A (en) * | 2014-04-18 | 2014-06-25 | 深圳天基权健康科技集团股份有限公司 | Semiconductor laser synthesizer therapeutic instrument |
| CN103977505A (en) * | 2014-05-14 | 2014-08-13 | 武汉博激世纪科技有限公司 | Hand-held portable semiconductor laser device used for physical therapy |
| CN105816963A (en) * | 2016-06-08 | 2016-08-03 | 北京美人鱼医疗美容门诊有限公司 | Micro-laser lipolysis body shaping promoting instrument |
| CN112310806A (en) * | 2019-10-29 | 2021-02-02 | 宁波佰士瑞医疗科技有限公司 | Semiconductor laser driving power supply system |
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Application publication date: 20130424 |