CN204618401U - Medical laser treatment machine - Google Patents
Medical laser treatment machine Download PDFInfo
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- CN204618401U CN204618401U CN201520289489.9U CN201520289489U CN204618401U CN 204618401 U CN204618401 U CN 204618401U CN 201520289489 U CN201520289489 U CN 201520289489U CN 204618401 U CN204618401 U CN 204618401U
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Abstract
A kind of medical Laser Treatment Machine, comprising: solid state laser, for sending pulse type laser; Optical fiber, the pulse type laser for being launched by described solid state laser is transferred to the position needing diagnosis and treatment; Laser power detector, produces the actual power of pulse type laser for obtaining solid state laser; Laser power correction device, for the actual power of the pulse type laser according to laser power detector detection acquisition, and solid state laser sends the power nominal value of pulse type laser, the single pulse energy of pulse type laser regulating solid state laser to send, equals with the actual power making solid state laser send pulse type laser or close to the power nominal value of solid state laser.This utility model can send the actual power of pulse type laser and the deviate of pulse type laser power nominal value by automatic acquisition solid state laser, and adjustment solid state laser sends the actual power of pulse type laser automatically, and then improve the therapeutic effect of medical Laser Treatment Machine.
Description
Technical field
This utility model relates to field of medical device, is specifically related to a kind of medical Laser Treatment Machine.
Background technology
Titanium laser therapeutic equipment is a kind of novel laser medical equipment, is mainly used in Urology Surgery and is used for the treatment of calculus, and orthopaedics is used for intervertebral disc and melts, the cutting in all surgical operations and hemostasis.
The core component of titanium laser therapeutic equipment is a kind of solid state laser, is made up of holmium crystal, xenon lamp and the component such as reflection cavity that holds holmium crystal and converge light.Xenon lamp pulsed light emissions, excitation holmium crystal formation pulse type laser, the resonator cavity that pulse type laser is formed via various optical glass system, can the Bladder stone of practical application to be formed.Be full of recirculated water in reflection cavity, be cooled with circulating water the holmium crystal in reflection cavity and xenon lamp.In real work, powered to xenon lamp pulsed by high power switching power supply, xenon lamp pulsed light emissions, the crystal formation pulse type laser of excitation holmium.It is by high-power (generally more than 10 kilowatts) of moment, moisture (or other vaporizable materials) fast vaporizing intrinsic in tissue is made to form plasma, then sharply expand and form explosion, tissue (or calculus) is torn, is formed the cutting of tissue or the crushing effect to calculus.
The technical parameter of Bladder stone mainly two: single pulse energy (J) and pulse frequency (Hz).Leading indicator is power, laser power=single pulse energy * pulse frequency, and unit is watt.
Due to principle and the structures shape of solid state laser, the laser power generation decay of solid state laser is inevitable, mainly single pulse energy reduces (pulse frequency generally can not change), it is generally acknowledged that decay is decayed by xenon lamp, lens lesion, reflection cavity damages, and light path is polluted, water route pollution etc. factors composition.On solid state laser, labelling is gained merit rate nominal value, for illustrating the power of described pulse type laser, when decay occurs the laser power of solid state laser, the practical laser power of solid state laser does not mate with the power nominal value on equipment, affects the therapeutic effect of titanium laser therapeutic equipment.
For this reason, propose a kind of new medical Laser Treatment Machine, when decay occurs the laser power of solid state laser, automatically can regulate the practical laser power of solid state laser, power nominal value on practical laser power and equipment is matched, becomes those skilled in the art's problem demanding prompt solution.
Utility model content
The problem that this utility model solves is to provide a kind of medical Laser Treatment Machine, when there is decay in the power of the pulse type laser that solid state laser in medical Laser Treatment Machine is sent, medical Laser Treatment Machine can the actual power of pulse type laser that sends of automatic corresponding adjustment solid state laser, improves the therapeutic effect of medical Laser Treatment Machine.
For solving the problem, this utility model provides a kind of medical Laser Treatment Machine, comprising:
Solid state laser, for sending pulse type laser;
Optical fiber, the pulse type laser for being launched by described solid state laser is transferred to position to be treated;
Laser power detector, for obtaining the actual power of the pulse type laser that solid state laser produces;
Laser power correction device, for the actual power of pulse type laser obtained according to laser power detector, and solid state laser sends the power nominal value of pulse type laser, the single pulse energy of pulse type laser regulating solid state laser to send, equals with the actual power making solid state laser send pulse type laser or close to the power nominal value of solid state laser.
Optionally, described laser power correction device comprises:
Laser power memorizer, is connected with described laser power detector, sends the power nominal value of pulse type laser for storing solid state laser;
Laser power comparator, is connected with laser power detector respectively with described laser power memorizer, for the deviate of the power nominal value of the actual power and pulse type laser that obtain pulse type laser;
Laser power feedback device, for the described deviate that obtains according to laser power comparator to fixed laser feedback power adjusted value, thus makes described fixed laser according to the actual power of described power adjustment adjustment pulse type laser.
Optionally, described solid state laser comprises: crystal and light source;
Described medical Laser Treatment Machine also comprises: pulse type switch power supply, for being light source power supply, makes light source luminescent, and then encourages described crystal to send laser;
Described laser power feedback device is connected with described pulse type switch power supply, for adjusting the voltage that pulse type switch power supply exports described light source, to adjust the actual power of pulse type laser.
Optionally, described solid state laser is holmium laser, and described crystal is holmium crystal, and described light source is pulsed xenon lamp.
Optionally, described laser power correction utensil has adjustment cycle, in each adjustment cycle, the actual power of described pulse type laser is once adjusted, described laser power detector comprises: probe unit, for detecting the performance number of the pulse type laser that solid state laser produces, described probe unit can detect multiple performance number at described adjustment cycle;
Processing unit, for obtaining the meansigma methods of multiple performance numbers that probe unit detects, as the actual power of pulse type laser in adjustment cycle.
Optionally, described laser power correction utensil has adjustment cycle, in each adjustment cycle, the actual power of described pulse type laser is once adjusted, described laser power detector comprises: probe unit, the performance number of the pulse type laser that detection solid state laser produces, described probe unit can detect multiple performance number at described adjustment cycle;
Processing unit, for obtaining any performance number in multiple performance numbers of probe unit detection, as the actual power of pulse type laser in adjustment cycle.
Optionally, the unit of described adjustment cycle is the time, and described laser power detector comprises: timer, is connected with described processing unit, timing time be 1 day, 1 week or 1 month time trigger the actual power that described processing unit obtains described pulse type laser.
Optionally, the unit of described adjustment cycle is pulse number, described laser power detector comprises: enumerator, be connected with described processing unit with fixed laser, measure the pulse number of fixed laser, pulse number be 10,000 times, 50,000 times or 100,000 subpulse time trigger the actual power that described processing unit obtains described pulse type laser.
Optionally, described medical Laser Treatment Machine also comprises: be arranged at the saturating anti-mirror between solid state laser and optical fiber, the pulse type laser that described anti-mirror makes solid state laser send is divided into the reflected light and transillumination that transmit along two different directions, described reflected light enters laser power detector, for measuring the actual power of solid state laser, described transillumination enters optical fiber.
Optionally, described medical Laser Treatment Machine also comprises: be arranged at the coupling mirror between anti-mirror and optical fiber, and described coupling mirror makes described transillumination focus on and enter optical fiber.
Compared with prior art, the technical solution of the utility model has the following advantages: this utility model medical Laser Treatment Machine comprises: solid state laser, for sending pulse type laser; Optical fiber, the pulse type laser for being launched by described solid state laser is transferred to the position needing diagnosis and treatment; Laser power detector, produces the actual power of pulse type laser for obtaining solid state laser; Laser power correction device, for the actual power of pulse type laser detected according to laser power detector, and solid state laser sends the power nominal value of pulse type laser, the single pulse energy of pulse type laser regulating solid state laser to send, equals with the actual power making solid state laser send pulse type laser or close to the power nominal value of solid state laser.By laser power detector in this utility model and laser power correction device, the constant power of the actual power and pulse type laser that automatically solid state laser can be sent pulse type laser compares, and adjustment solid state laser sends the actual power of pulse type laser automatically, and then improve the therapeutic effect of medical Laser Treatment Machine.
Accompanying drawing explanation
Fig. 1 is the functional block diagram of a kind of medical Laser Treatment Machine one of this utility model embodiment;
Fig. 2 is the structural representation of middle solid state laser embodiment illustrated in fig. 1;
Fig. 3 is the functional block diagram of middle laser power correction device embodiment illustrated in fig. 1;
Fig. 4 is the functional block diagram of middle laser power detector embodiment illustrated in fig. 1;
Fig. 5 is the functional block diagram of laser power detector in another embodiment of this utility model medical Laser Treatment Machine.
Detailed description of the invention
As stated in the Background Art, the laser power of solid state laser can decay.In real work, after xenon lamp aging, luminous efficiency reduces, brightness declines is the main cause that laser power decays.When solid state laser works under power nominal value, due under the former running voltage of the xenon lamp power supply corresponding to power nominal value, the decline single pulse energy of the pulse type laser causing crystal to send of xenon lamp brightness reduces, thus causes the laser power of solid state laser to decay.Further, the power attenuation that other reasons causes also can be compensated by the luminosity strengthening xenon lamp, and xenon lamp luminosity is directly relevant to the running voltage of xenon lamp with Laser Power Devices.
Therefore, by the actual power of detection laser, Laser Power Devices can be fed back to, adjusted the brightness of xenon lamp to the magnitude of voltage of xenon lamp by adjustment Laser Power Devices, and then the single pulse energy of adjustment laser, adjustment laser power, offsets the power attenuation of solid state laser.
For this reason, this utility model comprises: solid state laser, for sending pulse type laser; Optical fiber, the pulse type laser for being launched by described solid state laser is transferred to position to be treated; Laser power detector, produces the actual power of pulse type laser for obtaining solid state laser; Laser power correction device, according to the actual power of the pulse type laser that laser power detector detects, and solid state laser sends the power nominal value of pulse type laser, the single pulse energy of pulse type laser regulating solid state laser to send, equals with the actual power making solid state laser send pulse type laser or close to the power nominal value of solid state laser.By laser power detector in this utility model and laser power correction device, automatically solid state laser can be sent the power ratio of the actual power of pulse type laser and pulse type laser comparatively, and adjustment solid state laser sends the actual power of pulse type laser automatically, and then improve the therapeutic effect of medical Laser Treatment Machine.
For enabling above-mentioned purpose of the present utility model, feature and advantage more become apparent, and are described in detail specific embodiment of the utility model below in conjunction with accompanying drawing.
Please refer to Fig. 1, Fig. 1 shows the functional block diagram of a kind of medical Laser Treatment Machine one of this utility model embodiment.The present embodiment medical Laser Treatment Machine comprises:
Solid state laser 04, for sending pulse type laser.
Described solid state laser 04 comprises crystal and light source, and described light source can be luminous to crystal impulses formula, and excited crystal produces pulse type laser, makes described solid state laser 04 send pulse type laser.
In the present embodiment, described solid state laser 04 is holmium laser.Incorporated by reference to reference to figure 2, show the structural representation of solid state laser 04 in the present embodiment.
In the present embodiment, described crystal is holmium crystal 103, and described light source is pulsed xenon lamp 102, and described pulsed xenon lamp 102 encourages holmium crystal 103, makes holmium crystal 103 send pulse type laser.Described solid state laser 04 also comprises pulse type switch power supply 101, for powering for pulsed xenon lamp 102.
In the present embodiment, described solid state laser 04 comprises reflection cavity 104, described reflection cavity 104 has the inner surface of reflection function, described holmium crystal 103 and pulsed xenon lamp 102 are arranged in reflection cavity 104, the light that described pulsed xenon lamp 102 is sent enters in holmium crystal 103 through the reflection of reflection cavity 104 inner surface, under the effect of reflection cavity 104, most light that pulsed xenon lamp 102 sends can enter holmium crystal 103, are conducive to the efficiency improving holmium crystal 103 Emission Lasers.
Described solid state laser 04 also comprises resonator cavity, and described resonator cavity comprises total reflective mirror 105, semi-reflective mirror 106 and cavity (not shown), and the laser sent for making holmium crystal 103 converges and penetrates from solid state laser 04.As shown in Figure 2, described total reflective mirror 105 can inject whole laser-bounces of its minute surface, and described semi-reflective mirror 106 can make the fraction of laser light reflection injecting its minute surface, and fraction of laser light transmission is also penetrated from solid state laser 04.The laser that holmium crystal 103 sends is under the reflection of total reflective mirror 105, semi-reflective mirror 106, back and forth project in resonator cavity, and may enter in holmium crystal 103, excitation holmium crystal 103 sends laser again, laser in resonator cavity produces resonance, the power of laser is strengthened, and from semi-reflective mirror 106 to described solid state laser 04 outside injection.
It should be noted that, the concrete structure of this utility model to solid state laser 04 does not limit, in other embodiments, described solid state laser 04 can also be in prior art, other are with light source irradiation crystal, make crystal send the laser structure of pulse type laser, other structures beyond reflection cavity resonant cavity also can be adopted to strengthen the laser emitting power of solid state laser 04.
Described in the present embodiment, solid state laser 04 has power nominal value, for illustrating the power designs value of the pulse type laser that described solid state laser 04 sends.Described power designs value is described solid state laser 04 performance number that sends pulse type laser set when dispatching from the factory.
Continue with reference to figure 1, the present embodiment medical Laser Treatment Machine also comprises:
Optical fiber 07, is transferred to for the pulse type laser launched by described solid state laser 04 position needing diagnosis and treatment.
Be arranged at the saturating anti-mirror 05 between solid state laser 04 and optical fiber 07, the pulse type laser that described anti-mirror 05 makes solid state laser 04 send is divided into the reflected light and transillumination that transmit along two different directions, described reflected light is for measuring the power of solid state laser 04, and described transillumination enters optical fiber 07.It should be noted that, in the present embodiment, the splitting ratio of described anti-mirror 05 is 1%, and namely solid state laser 04 sends 1% of pulse type laser becomes reflected light, but the splitting ratio of this utility model to described anti-mirror 05 is not restricted.
Be arranged at the coupling mirror 06 between anti-mirror 05 and optical fiber 07, described coupling mirror 06 makes described transillumination focus on and enters optical fiber 07.
It should be noted that, the beam diameter of the pulse type laser that described solid state laser 04 sends is larger, in the scope of 0.4 millimeter to 4 millimeters, and the diameter of optical fiber 07 is in the scope of 0.1 millimeter to 0.5 millimeter, if the pulse type laser that solid state laser 04 sends directly injects optical fiber 07, then optical fiber 07 may be burnt.Described coupling mirror 06 is a convex lens, the pulse type laser that solid state laser 04 sends can be converged, make the beam diameter of pulse type laser be less than the diameter of optical fiber 07, the pulse type laser that solid state laser 04 is sent enters optical fiber 07 smoothly and does not damage optical fiber 07.
Continue with reference to figure 1, the present embodiment medical Laser Treatment Machine also comprises laser power detector 08, produces the actual power of pulse type laser for obtaining solid state laser 04.In the present embodiment, described laser power detector 08 receives the reflected light that anti-mirror 05 separates.
The present embodiment medical Laser Treatment Machine also comprises laser power correction device 01, for the actual power of pulse type laser obtained according to laser power detector 08, and solid state laser 04 sends the power nominal value of pulse type laser, regulate solid state laser to send out the single pulse energy of the pulse type laser that 04 goes out, to equal with the actual power making solid state laser 04 send pulse type laser or close to the power nominal value of solid state laser 04.
As stated in the Background Art, laser power=single pulse energy * the pulse frequency of Bladder stone, therefore when decay occurs the laser power of solid state laser 04, usual reason is that pulsed xenon lamp 102 is under certain voltage, the single pulse energy that holmium crystal 103 sends laser reduces, and the actual power making solid state laser 04 send pulse type laser reduces.By the laser power correction device 01 of the present embodiment, can according to the deviate of the power nominal value of the actual power of pulse type laser and pulse type laser, improve the single pulse energy that holmium crystal 103 sends laser, the actual power making solid state laser 04 send pulse type laser improves, and then the actual power making solid state laser 04 send pulse type laser equals or close to the power nominal value of solid state laser 04.It should be noted that, described deviate=power nominal value-actual power.
It should be noted that, in the present embodiment, the method that raising holmium crystal 103 sends the single pulse energy of laser is: at solid state laser 04 when being operated in power nominal value, improve the running voltage of pulse type switch power supply 101, and then improve the brightness of pulsed xenon lamp 102, to improve the single pulse energy that holmium crystal 103 sends laser.
Particularly, please refer to Fig. 3, show the functional block diagram of the present embodiment laser power correction device 01.The present embodiment laser power correction device 01 comprises:
Laser power memorizer 12, is connected with described laser power detector 08, the described power nominal value sending pulse type laser for storing solid state laser 04.
Laser power comparator 13, be connected respectively with laser power detector 08 with described laser power memorizer 12, receive laser power memorizer 12 and transmit the power nominal value that next solid state laser 04 sends pulse type laser, and the solid state laser 04 of laser power detector 08 acquisition sends the actual power of pulse type laser, calculates the deviate of the actual power of pulse type laser and the power nominal value of pulse type laser.
Laser power feedback device 11, for the described deviate that obtains according to laser power comparator to laser feedback power adjustment, thus makes described fixed laser 04 according to the actual power of described power adjustment adjustment pulse type laser.
Particularly, in the present embodiment, described laser power feedback device 11 is connected with described pulse type switch power supply 101.Described laser power feedback device 11 is according to the deviate of the power nominal value of the actual power of pulse type laser and pulse type laser, and the output voltage of adjustment pulse type switch power supply 101 paired pulses formula xenon lamp 102, to adjust the actual power of pulse type laser.It should be noted that, in laser power feedback device 11, store Voltage Cortrol synopsis.Described Voltage Cortrol synopsis comprises in the medical Laser Treatment Machine being provided with the solid state laser 04 identical with the present embodiment in history, the control curve of voltage change and described pulse type laser actual power changing value.According to this Voltage Cortrol synopsis, and using described deviate value as pulse type laser actual power changing value, relative set voltage change.Due to the linear relationship that voltage change and described pulse type laser actual power changing value might not be equal proportions, therefore described Voltage Cortrol synopsis can obtain for carrying out test to the medical Laser Treatment Machine being provided with the solid state laser 04 identical with the present embodiment in history, namely by running voltage and the actual power of the mode recording impulse formula Switching Power Supply 101 of test, obtain the corresponding relation of voltage change and actual power changing value, and then obtain Voltage Cortrol synopsis.
But whether this utility model adopts the method feedback voltage adjusted value of Voltage Cortrol synopsis not limit to laser power feedback device 11.In other embodiments, can also according to the ratio of described deviate and power nominal value, the running voltage of the regulating impulse formula Switching Power Supply of equal proportion.If the ratio of such as described deviate and power nominal value is-5%.The voltage change that then laser power feedback device 11 feeds back is+5% of former running voltage, equals or close to the nominal value of power to make the output of pulse type laser.
It should be noted that, in the present embodiment medical Laser Treatment Machine, laser power memorizer 12, laser power comparator 13 and laser power feedback device 11 all can be arranged in a microprocessor, but this utility model does not limit this.
In the present embodiment, described laser power correction device 01 has adjustment cycle.At the end of an adjustment cycle, in each adjustment cycle, the actual power of described pulse type laser is once adjusted.Particularly.Described laser power comparator 13 obtains the actual power of pulse type laser from described laser power detector 08, and calculate the deviate of the power nominal value of the actual power of pulse type laser in an adjustment cycle and solid state laser 04, and according to this deviate, the running voltage of pulse type switch power supply 101 in next adjustment cycle is adjusted.
With reference to figure 4, show the functional block diagram of the present embodiment laser power detector 08.Described laser power detector 08 comprises: probe unit 21, and for detecting the performance number of the pulse type laser that solid state laser 04 produces, described probe unit can detect multiple performance number at described adjustment cycle; Processing unit 22, for obtaining the meansigma methods of multiple performance numbers of probe unit detection, as the actual power of pulse type laser in adjustment cycle.
In the present embodiment, be using the meansigma methods of the multiple performance numbers detected from probe unit 21 as the benefit of the actual power of pulse type laser, deviate is obtained according to the meansigma methods of probe power value in previous adjustment cycle and the power nominal value of solid state laser 04, and according to this deviate, the running voltage of pulse type switch power supply in next adjustment cycle 101 (with reference to figure 3) is adjusted, because the meansigma methods fluctuation of probe power value in each adjustment cycle is less, the actual power in each adjustment cycle can be reflected more exactly, thus make the accuracy that adjusts the running voltage of pulse type switch power supply 101 in next adjustment cycle higher.
Such as, but the detection mode of this utility model to described laser power detector 08 does not limit, and, in other embodiments, laser power detector 08 comprises: probe unit 21, for detecting the performance number of the pulse type laser that solid state laser 04 produces.Processing unit 22, for obtaining any performance number in multiple performance numbers of probe unit 21 detection, as the actual power of pulse type laser in adjustment cycle.Be using any performance number in the multiple performance numbers detected from probe unit 21 as the benefit of the actual power of pulse type laser, the mode that processing unit 22 obtains the actual power of pulse type laser is more succinct, simplifies the complexity of processing unit 22.Continue with reference to figure 4, also it should be noted that, in the present embodiment, described laser power detector 08 also comprises: timer 23, be connected with described processing unit 22, timing time be 1 day, 1 week or 1 month time trigger the actual power that described processing unit 22 obtains described pulse type laser.
In the present embodiment, the unit of described adjustment cycle is the time.The length of described adjustment cycle can be random length in theory, such as, divide or second, and namely the running voltage of per minute or paired pulses formula Switching Power Supply 101 per second once adjusts.But in real work, the die-away time of pulse type laser is veryer long, may just there is obvious appreciable decay in several week or several months.And the instantaneous actual power value of solid state laser 04 may have ± deviate (in the scope of national regulation) of 20%, and what arranged by adjustment cycle longlyer more has Practical significance.Therefore, described adjustment cycle can be set to one day, a week or one month, namely every day, running voltage that is per week or monthly paired pulses formula Switching Power Supply 101 once adjust.Therefore, described timer 24 can timing time be 1 day, 1 week or 1 month time trigger the actual power that described processing unit 22 obtains described pulse type laser.
Particularly, in the present embodiment, the adjustment cycle of described laser power correction device 01 is one day.Described timer 23 triggers the actual power that described processing unit 22 obtains described pulse type laser when timing time is 1 day.That is, described laser power correction device 01 performance number of every day to the pulse type laser that described solid state laser 04 produces once corrects.
In other embodiments, the adjustment cycle of described laser power correction device 01 can also be one month or one week.Because the rate of decay of solid state laser 04 is very slow, within one month or one week, may just there is obvious change, therefore, when the adjustment cycle of described laser power correction device 01 be one month or one week time, described laser power correction device 01 every month the or weekly performance number of the pulse type laser that described solid state laser 04 produces once is corrected.
In conjunction with reference to figure 3 with reference to figure 5, show in another embodiment of this utility model, the functional block diagram of laser power detector, in another embodiment of the present utility model, part same as the previously described embodiments repeats no more, be with above-described embodiment difference, the structure of described laser power detector is different.
In the present embodiment, the unit of described laser power correction device 01 adjustment cycle is pulse number.
In this enforcement, described laser power detector 08 comprises: enumerator 24, be connected with described processing unit 22, measure the pulse number of solid state laser 04, pulse number be 10,000 times, 50,000 times or 100,000 subpulse time trigger the actual power that described processing unit 22 obtains described pulse type laser.
Particularly, in the present embodiment, the adjustment cycle of described laser power correction device 01 is 10,000 subpulses.Described enumerator 24 count pulse number be 10,000 times time trigger the actual power that described processing unit 22 obtains described pulse type laser.That is, described laser power correction device 01, when described solid state laser 04 often sends every 10,000 subpulse, once corrects the performance number of the pulse type laser that described solid state laser 04 produces.
It should be noted that, in the present embodiment, described processing unit 22 can obtain in an adjustment cycle (10,000 subpulse), the meansigma methods of the performance number that probe unit 21 detects, as the actual power of pulse type laser, also can obtain in an adjustment cycle (10,000 subpulse), any performance number of the performance number that probe unit 21 detects, as the actual power of pulse type laser.
In this utility model again an embodiment, medical Laser Treatment Machine has multiple output gear, comprising a common positions and at least one gear that is of little use, the all corresponding power nominal value of each gear, the actual power that described solid state laser 04 sends laser under multiple output gear is different.In an adjustment cycle of laser power correction device 01, described medical Laser Treatment Machine works in multiple output gear, described laser power memorizer 08 records described solid state laser 04 under a conventional output gear, and solid state laser 04 sends the power nominal value of pulse type laser.At the end of an adjustment cycle, described laser power comparator 13 calculates under common positions, the actual power of pulse type laser in an adjustment cycle and the deviate of the power nominal value of solid state laser 04 under this gear, the described deviate that laser power feedback device 11 obtains according to laser power comparator 13, to solid state laser 04 feedback power adjusted value, adjusts the actual power of pulse type laser to make described solid state laser 04.
Although this utility model discloses as above, this utility model is not defined in this.Any those skilled in the art, not departing from spirit and scope of the present utility model, all can make various changes or modifications, and therefore protection domain of the present utility model should be as the criterion with claim limited range.
Claims (10)
1. a medical Laser Treatment Machine, is characterized in that, comprising:
Solid state laser, for sending pulse type laser;
Optical fiber, the pulse type laser for being launched by described solid state laser is transferred to position to be treated;
Laser power detector, for obtaining the actual power of the pulse type laser that solid state laser produces;
Laser power correction device, for the actual power of pulse type laser obtained according to laser power detector, and solid state laser sends the power nominal value of pulse type laser, the single pulse energy of pulse type laser regulating solid state laser to send, equals with the actual power making solid state laser send pulse type laser or close to the power nominal value of solid state laser.
2. medical Laser Treatment Machine according to claim 1, is characterized in that, described laser power correction device comprises:
Laser power memorizer, is connected with described laser power detector, sends the power nominal value of pulse type laser for storing solid state laser;
Laser power comparator, is connected with laser power detector respectively with described laser power memorizer, for the deviate of the power nominal value of the actual power and pulse type laser that obtain pulse type laser;
Laser power feedback device, for the described deviate that obtains according to laser power comparator to fixed laser feedback power adjusted value, thus makes described fixed laser according to the actual power of described power adjustment adjustment pulse type laser.
3. medical Laser Treatment Machine according to claim 2, is characterized in that, described solid state laser comprises: crystal and light source;
Described medical Laser Treatment Machine also comprises: pulse type switch power supply, for being light source power supply, makes light source luminescent, and then encourages described crystal to send laser;
Described laser power feedback device is connected with described pulse type switch power supply, for adjusting the voltage that pulse type switch power supply exports described light source, to adjust the actual power of pulse type laser.
4. medical Laser Treatment Machine according to claim 3, is characterized in that, described solid state laser is holmium laser, and described crystal is holmium crystal, and described light source is pulsed xenon lamp.
5. medical Laser Treatment Machine according to claim 2, it is characterized in that, described laser power correction utensil has adjustment cycle, in each adjustment cycle, the actual power of described pulse type laser is once adjusted, described laser power detector comprises: probe unit, for detecting the performance number of the pulse type laser that solid state laser produces, described probe unit can detect multiple performance number at described adjustment cycle;
Processing unit, for obtaining the meansigma methods of multiple performance numbers that probe unit detects, as the actual power of pulse type laser in adjustment cycle.
6. medical Laser Treatment Machine according to claim 2, it is characterized in that, described laser power correction utensil has adjustment cycle, in each adjustment cycle, the actual power of described pulse type laser is once adjusted, described laser power detector comprises: probe unit, the performance number of the pulse type laser that detection solid state laser produces, described probe unit can detect multiple performance number at described adjustment cycle;
Processing unit, for obtaining any performance number in multiple performance numbers of probe unit detection, as the actual power of pulse type laser in adjustment cycle.
7. the medical Laser Treatment Machine according to claim 5 or 6, it is characterized in that, the unit of described adjustment cycle is the time, described laser power detector comprises: timer, be connected with described processing unit, timing time be 1 day, 1 week or 1 month time trigger the actual power that described processing unit obtains described pulse type laser.
8. the medical Laser Treatment Machine according to claim 5 or 6, it is characterized in that, the unit of described adjustment cycle is pulse number, described laser power detector comprises: enumerator, be connected with described processing unit with fixed laser, measure the pulse number of fixed laser, pulse number be 10,000 times, 50,000 times or 100,000 subpulse time trigger the actual power that described processing unit obtains described pulse type laser.
9. medical Laser Treatment Machine according to claim 1, it is characterized in that, described medical Laser Treatment Machine also comprises: be arranged at the saturating anti-mirror between solid state laser and optical fiber, the pulse type laser that described anti-mirror makes solid state laser send is divided into the reflected light and transillumination that transmit along two different directions, described reflected light enters laser power detector, for measuring the actual power of solid state laser, described transillumination enters optical fiber.
10. medical Laser Treatment Machine according to claim 9, is characterized in that, described medical Laser Treatment Machine also comprises: be arranged at the coupling mirror between anti-mirror and optical fiber, and described coupling mirror makes described transillumination focus on and enter optical fiber.
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| CN106299993A (en) * | 2016-03-11 | 2017-01-04 | 上海瑞柯恩激光技术有限公司 | Laser device and laser power monitor feedback method |
| CN109316666A (en) * | 2018-10-19 | 2019-02-12 | 无锡市大华激光设备有限公司 | Minimize holmium laser therapy instrument |
| CN109567930A (en) * | 2018-12-07 | 2019-04-05 | 中聚科技股份有限公司 | A kind of laser therapeutic system based on shoot laser detection correction treatment scheme |
| CN112014765A (en) * | 2020-07-13 | 2020-12-01 | 武汉戴美激光科技有限公司 | Laser power calibration method, device, electronic equipment and computer readable storage medium |
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2015
- 2015-05-06 CN CN201520289489.9U patent/CN204618401U/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106299993A (en) * | 2016-03-11 | 2017-01-04 | 上海瑞柯恩激光技术有限公司 | Laser device and laser power monitor feedback method |
| CN109316666A (en) * | 2018-10-19 | 2019-02-12 | 无锡市大华激光设备有限公司 | Minimize holmium laser therapy instrument |
| CN109567930A (en) * | 2018-12-07 | 2019-04-05 | 中聚科技股份有限公司 | A kind of laser therapeutic system based on shoot laser detection correction treatment scheme |
| CN112014765A (en) * | 2020-07-13 | 2020-12-01 | 武汉戴美激光科技有限公司 | Laser power calibration method, device, electronic equipment and computer readable storage medium |
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