CN212571676U - Excimer laser for vitiligo treatment - Google Patents
Excimer laser for vitiligo treatment Download PDFInfo
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- CN212571676U CN212571676U CN202021399637.XU CN202021399637U CN212571676U CN 212571676 U CN212571676 U CN 212571676U CN 202021399637 U CN202021399637 U CN 202021399637U CN 212571676 U CN212571676 U CN 212571676U
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Abstract
The utility model discloses an excimer laser for vitiligo treatment, which comprises an illumination probe and a handle connected with the illumination probe; two ends of a discharge cavity in the illumination probe are respectively provided with a heat dissipation cavity, the cavity wall of the heat dissipation cavity is provided with a plurality of through holes communicated with the outside, and the wall of the cavity is provided with a fan; the discharge cavity is communicated with the air inlet pipe and the air outlet pipe; the gas outlet pipe is communicated with the generating chamber through a pipeline, and a vacuum pump and a valve are arranged on the pipeline between the generating chamber and the discharge cavity; the generating chamber is respectively communicated with the induced draft fan and the refrigerating chamber through pipelines; a temperature-sensing probe and a liquid nitrogen nozzle are accommodated in the refrigerating chamber; the temperature sensing probe is in signal connection with an external computer, and the liquid nitrogen nozzle is sequentially communicated with the pressure gauge and the liquid nitrogen tank through a pipeline; the discharge cavity is communicated with the refrigeration chamber through an air inlet pipe.
Description
Technical Field
The utility model belongs to the technical field of medical instrument, concretely relates to excimer laser for vitiligo treatment.
Background
Excimer lasers are conventional gas lasers for applications with ultraviolet characteristics, in which excimer laser output can be achieved by combining gases such as F2, Ar, Ne, Xe, etc. in a certain precise ratio, excimer laser output can be achieved by combining gases such as F2, Kr, Ne, Xe, etc. in a certain precise ratio, and laser output of other excimer lasers also requires different types of gas combinations. Meanwhile, the purity of the gas is extremely high when any excimer laser is used.
It is generally handheld to have small-size ultraviolet therapy equipment in the existing market, always carry out when carrying out the treatment patient affected part distance and adjust, find a suitable distance and carry out laser treatment, but small-size ultraviolet therapy equipment heat dissipation is relatively poor, and discharge chamber halogen gas's reduction causes output energy to descend after using a certain time, and thereby impurity production can lead to producing the homogeneity that the filamentation discharged between the excimer laser instrument electrode, influence gaseous purity and laser treatment's effect.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to the above-mentioned among the prior art not enough, provide an excimer laser for vitiligo treatment to solve the poor and gaseous impure problem of current handheld laser heat dissipation.
In order to achieve the purpose, the utility model adopts the technical proposal that:
an excimer laser for vitiligo treatment, which comprises an illumination probe and a handle connected with the illumination probe; two ends of a discharge cavity in the illumination probe are respectively provided with a heat dissipation cavity, the cavity wall of the heat dissipation cavity is provided with a plurality of through holes communicated with the outside, and the wall of the cavity is provided with a fan; the discharge cavity is communicated with the air inlet pipe and the air outlet pipe; the gas outlet pipe is communicated with the generating chamber through a pipeline, and a vacuum pump and a valve are arranged on the pipeline between the generating chamber and the discharge cavity; the generating chamber is respectively communicated with the induced draft fan and the refrigerating chamber through pipelines; a temperature-sensing probe and a liquid nitrogen nozzle are accommodated in the refrigerating chamber; the temperature sensing probe is in signal connection with an external computer, and the liquid nitrogen nozzle is sequentially communicated with the pressure gauge and the liquid nitrogen tank through a pipeline; the discharge cavity is communicated with the refrigeration chamber through an air inlet pipe.
Preferably, the fan is connected to an excimer laser internal power supply.
Preferably, the handle is provided with a switch button for controlling the fan to start and stop, and the switch button is arranged on a circuit for connecting the power supply and the fan.
Preferably, valves are arranged on the pipelines between the induced draft fan and the generating chamber and between the generating chamber and the refrigerating chamber.
Preferably, the shell of the refrigeration chamber is of a double-layer structure, and vacuum is formed between layers of the double-layer structure.
Preferably, the temperature sensing probe is a PT100 temperature sensing resistor.
The utility model provides an excimer laser for vitiligo treatment has following beneficial effect:
the utility model is used for solving the problem of poor heat dissipation of the small laser by arranging the heat-dissipating fans at the two ends of the discharge cavity; in addition, the gas used for a certain period of time is introduced into the generation chamber, and oxygen is introduced to react with impurities in the gas sufficiently to generate H2O，CO2、COF2And F2And according to H2O，CO2、COF2And F2The difference of the liquefaction temperature of the refrigerant is led into a refrigerating chamber, and impurities and H are realized by the refrigeration of liquid nitrogen2O、CO2、COF2To remove only the desired F2And F with higher purity2And then is introduced into the discharge cavity for use.
Drawings
Fig. 1 is a block diagram of an excimer laser for vitiligo treatment.
Wherein, 1, illuminating a probe; 2. a handle; 3. a heat dissipation cavity; 4. a fan; 5. a switch button; 6. an air outlet pipe; 7. an air inlet pipe; 8. a seal ring; 9. a vacuum pump; 10. a valve; 11. an induced draft fan; 12. a generation chamber; 13. a refrigeration compartment; 14. a temperature sensing probe; 15. a liquid nitrogen nozzle; 16. a computer; 17. a pressure gauge; 18. a liquid nitrogen tank; 19. a discharge chamber.
Detailed Description
The following description of the embodiments of the present invention is provided to facilitate the understanding of the present invention by those skilled in the art, but it should be understood that the present invention is not limited to the scope of the embodiments, and various changes may be made apparent to those skilled in the art within the spirit and scope of the present invention as defined and defined by the appended claims.
According to an embodiment of the present application, referring to fig. 1, the present solution of the excimer laser for vitiligo treatment comprises an illumination probe 1 and a handle 2 connected with the illumination probe 1.
The discharge cavity 19 is located in the illumination probe 1, and the discharge cavity 19 is an essential component of each excimer laser, which is a prior art and therefore is not described again.
The two ends of the discharge cavity 19 are respectively provided with a heat dissipation cavity 3, and the cavity wall of the heat dissipation cavity 3 is provided with a plurality of through holes communicated with the outside for heat dissipation. And at radiating fan 4 of the cavity wall mounting in heat dissipation chamber 3, fan 4 is connected with the built-in power of laser instrument, and shift knob 5 of fan 4 sets up on handle 2, and shift knob 5 is located the circuit of fan 4 and power, and during the use, if current illumination probe 1 temperature is higher, then accessible shift knob 5 control is opened fan 4, cools down.
The discharge cavity 19 is communicated with the air inlet pipe 7 and the air outlet pipe 6, and sealing rings 8 are arranged at the junction of the air inlet pipe 7 and the junction of the air outlet pipe 6.
The discharge cavity 19 is communicated with the generation chamber 12 through an air outlet pipe 6, a vacuum pump 9 and a valve 10 are sequentially arranged on a pipeline, when the laser is used for a certain time, the valve 10 is opened, the vacuum pump 9 guides the gas in the discharge cavity 19 into the generation chamber 12, and the gas is completely guided; oxygen is introduced into the generating chamber 12 through the induced draft fan 11, and the oxygen and impurities in the gas are fully reacted to generate H2O，CO2、COF2And F2。
The generating chamber 12 is communicated with the refrigerating chamber 13 through a pipeline, a valve 10 is arranged on the pipeline, and a temperature sensing probe 14 and a liquid nitrogen nozzle 15 are arranged in the refrigerating chamber 13; the temperature sensing probe 14 is in signal connection with an external computer 16, the liquid nitrogen nozzle 15 is sequentially communicated with the pressure gauge 17 and the liquid nitrogen tank 18 through a pipeline, and the discharge cavity 19 is communicated with the refrigerating chamber 13 through the air inlet pipe 7.
The temperature-sensing probe 14 is a PT100 temperature-sensing resistor, the detection range is-200 ℃ to +850 ℃, and the use requirement is met. The temperature sensing probe 14 detects the temperature information in the refrigerating chamber 13 in real time and transmits the detected temperature information to the computer 16, and if the temperature meets the liquefaction condition, the valve 10 on the liquid nitrogen tank 18 is closed by a user; if the temperature is not satisfied, the liquid nitrogen is continuously introduced into the refrigerating chamber 13 through the liquid nitrogen nozzle 15.
Will generate H generated by the chamber 122O，CO2、COF2And F2Introduced into the refrigerating chamber 13 according to H2O，CO2、COF2And F2Due to the difference in liquefaction temperature of H2O，CO2And COF2The liquefaction temperature of the gas is significantly higher than F2Easier to liquefy, according to which the temperature is controlled to convert H2O，CO2And COF2The gas is liquefied while retaining F2. I.e. removal of impurities and undesired H by liquefaction2O，CO2And COF2Gas to obtain F with higher purity2。
In order to reduce the temperature loss of the refrigerating chamber 13, the shell of the refrigerating chamber 13 is of a double-layer structure, and the layers of the double-layer structure are vacuum, so that the heat transfer is reduced, and the heat preservation of the refrigerating chamber 13 is facilitated.
F to be freed of impurities2The gas is introduced into the discharge cavity 19 again through the gas inlet pipe 7 for use.
The utility model is used for solving the problem of poor heat dissipation of the small laser by arranging the heat-dissipating fans 4 at the two ends of the discharge cavity 19; in addition, the gas used for a certain period of time is introduced into the generation chamber 12, and oxygen is introduced to react with impurities in the gas sufficiently to generate H2O，CO2、COF2And F2And according to H2O，CO2、COF2And F2The difference of the liquefaction temperature of the refrigerant is introduced into the refrigerating chamber 13, and impurities and H are refrigerated by liquid nitrogen2O、CO2、COF2To remove only the desired F2And F with higher purity2And is reintroduced into the discharge chamber 19 for use.
While the present invention has been described in detail with reference to the embodiments, the scope of the present invention should not be limited to the embodiments. Various modifications and changes may be made by those skilled in the art without inventive step within the scope of the appended claims.
Claims (6)
1. An excimer laser for vitiligo treatment, characterized in that: comprises an illumination probe and a handle connected with the illumination probe; two ends of a discharge cavity in the illumination probe are respectively provided with a heat dissipation cavity, the cavity wall of the heat dissipation cavity is provided with a plurality of through holes communicated with the outside, and a fan is arranged on the cavity wall; the discharge cavity is communicated with the air inlet pipe and the air outlet pipe; the gas outlet pipe is communicated with the generation chamber through a pipeline, and a vacuum pump and a valve are arranged on the pipeline between the generation chamber and the discharge cavity; the generating chamber is respectively communicated with the induced draft fan and the refrigerating chamber through pipelines; the temperature sensing probe and the liquid nitrogen nozzle are accommodated in the refrigerating chamber; the temperature-sensing probe is in signal connection with an external computer, and the liquid nitrogen nozzle is sequentially communicated with the pressure gauge and the liquid nitrogen tank through a pipeline; the discharge cavity is communicated with the refrigeration chamber through an air inlet pipe.
2. The excimer laser for vitiligo treatment according to claim 1, wherein: and the fan is connected with an internal power supply of the excimer laser.
3. The excimer laser for vitiligo treatment according to claim 1, wherein: the handle is provided with a switch button for controlling the fan to start and stop, and the switch button is arranged on a circuit for connecting the power supply and the fan.
4. The excimer laser for vitiligo treatment according to claim 1, wherein: and valves are respectively arranged on the pipeline between the induced draft fan and the generating chamber and the pipeline between the generating chamber and the refrigerating chamber.
5. The excimer laser for vitiligo treatment according to claim 1, wherein: the shell of the refrigeration chamber is of a double-layer structure, and vacuum is formed between layers of the double-layer structure.
6. The excimer laser for vitiligo treatment according to claim 1, wherein: the temperature-sensing probe is a PT100 temperature-sensing resistor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021399637.XU CN212571676U (en) | 2020-07-16 | 2020-07-16 | Excimer laser for vitiligo treatment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021399637.XU CN212571676U (en) | 2020-07-16 | 2020-07-16 | Excimer laser for vitiligo treatment |
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| CN212571676U true CN212571676U (en) | 2021-02-19 |
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| CN202021399637.XU Active CN212571676U (en) | 2020-07-16 | 2020-07-16 | Excimer laser for vitiligo treatment |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113520590A (en) * | 2021-06-30 | 2021-10-22 | 武汉高科恒大光电股份有限公司 | Carbon dioxide laser therapeutic machine |
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2020
- 2020-07-16 CN CN202021399637.XU patent/CN212571676U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113520590A (en) * | 2021-06-30 | 2021-10-22 | 武汉高科恒大光电股份有限公司 | Carbon dioxide laser therapeutic machine |
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