CN210057155U - Strong pulsed light xerophthalmia therapeutic instrument - Google Patents

Abstract

The utility model discloses a strong pulse light xerophthalmia therapeutic instrument, which comprises a host and a therapeutic handle, wherein a cable and a cooling device are connected between the host and the therapeutic handle; the treatment handle is internally provided with a pulse generator, an optical filter, a light guide crystal and a control button, and the cooling device comprises a cooling tube arranged around the pulse generator and a TEC (thermoelectric cooler) refrigeration piece arranged on the light guide crystal; the main machine comprises a main controller, a power supply and a human-computer interaction assembly, a refrigerating system of the cooling device is arranged on the main machine, and the power supply is respectively communicated with the main controller, the human-computer interaction assembly, the refrigerating system and the treatment handle. The advantage lies in, sets up cooling device on leaded light crystal and impulse generator, utilizes TEC refrigeration piece to make the temperature of leaded light crystal with human contact keep moderate, utilizes the cooling tube to prevent impulse generator's high temperature, guarantees the normal stable use of treatment handle.

Description

Strong pulsed light xerophthalmia therapeutic instrument

Technical Field

The utility model relates to a light energy therapeutic instrument field especially relates to a strong pulse light xerophthalmia therapeutic instrument.

Background

With the popularization of computers, televisions and mobile phones, the increase of the amount of operations such as myopia operations and cataract, the aging of population, air pollution and other reasons, the incidence of dry eye syndrome (also called dry eye syndrome) is increasing year by year, the dry eye syndrome is manifested by dry eyes, asthenopia, foreign body sensation, itching, redness of eyes, and abnormality of eyes, and the like, and serious people can influence daily work and life, so the dry eye syndrome also becomes the most common eye surface disease in clinical work of ophthalmology, and is more and more valued by people.

Evaporative dry eye syndrome is currently believed to be caused by Meibomian Gland Dysfunction (MGD). The meibomian glands are located in the upper and lower conjunctival meibomian plates of the eyelid; meibomian gland dysfunction is a chronic, diffuse abnormality of the meibomian glands, often characterized by blockage of the terminal ducts, alteration of meibomian gland secretions or volume. Clinically, it causes abnormalities of tear film, eye irritation symptoms, inflammatory reaction and ocular surface diseases.

Intense Pulsed Light (IPL) can stimulate the tissue under the skin, increase the local temperature of the meibomian gland and treat the obstruction of the meibomian gland. The strong pulse light is a multi-wavelength, strong pulse, wide spectrum color light. The strong pulse light is soft and has good photo-thermal effect. The basic principle of its medical action is the energy transfer of photons in the tissue under the skin. The transfer of energy produces a thermal effect in the target tissue. The heat effect generated by the intense pulse light acts on the meibomian gland to promote the secretion of the secretion stagnated in the gland to be quickly secreted, and the improvement of the secretion has the treatment effect on the dry eye syndrome.

However, the strong pulse light generator is easy to generate heat when in use, and affects the body, so it is necessary to cool the generator, as in the prior art, such as chinese patent: a dry eye treatment instrument disclosed by an optical pulse dry eye treatment instrument (patent No. CN201620144614.1) is not provided with a cooling device.

SUMMERY OF THE UTILITY MODEL

In order to overcome the not enough of prior art, the utility model aims to provide a strong pulse light xerophthalmia therapeutic instrument is used for the treatment xerophthalmia disease with strong pulse, utilizes cooling device to guarantee the stable work of therapeutic instrument simultaneously.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

an intense pulse light dry eye therapeutic apparatus comprises a host and a therapeutic handle, wherein a cable and a cooling device are connected between the host and the therapeutic handle;

the treatment handle is internally provided with a pulse generator, an optical filter, a light guide crystal and a control button, and the cooling device comprises a cooling tube arranged around the pulse generator and a TEC (thermoelectric cooler) refrigeration piece arranged on the light guide crystal;

the main machine comprises a main controller, a power supply and a human-computer interaction assembly, a refrigerating system of the cooling device is arranged on the main machine, and the power supply is communicated with the main controller, the human-computer interaction assembly, the refrigerating system and the treatment handle respectively.

Further, the refrigeration system comprises a radiator, a water tank and a water pump;

the water tank is provided with an external water injection inlet, an external overflow outlet, a circulating inlet, a circulating outlet and an external water outlet; the circulating outlet is communicated with the water pump, and the circulating inlet is communicated with the radiator;

the radiator is provided with a water outlet and a water inlet, the water outlet is communicated with a hot water outlet pipe of the cooling pipe, and the water inlet is communicated with a cold water inlet pipe of the cooling pipe.

Further, the cooling device also comprises a temperature sensor arranged in the treatment handle, and the temperature sensor is connected with the refrigeration system and the main controller.

Furthermore, the human-computer interaction assembly comprises a touch screen for parameter setting, equipment control and display, and the touch screen is connected with the main controller, the power supply and the refrigeration system;

the host comprises a shell, and the touch screen is embedded on the shell.

Furthermore, the power supply comprises a switch type charging circuit, an external energy storage capacitor, a refrigeration output circuit interface, a chopper circuit and a filter circuit, the refrigeration system is connected with the refrigeration output circuit interface, and the main controller is connected with the switch type charging circuit and the external energy storage capacitor.

Further, the main controller further comprises a singlechip control circuit and a triggering pre-burning circuit, and the triggering pre-burning circuit is communicated with the pulse generator to control the pulse generator to enter or exit a pre-burning state.

Further, the singlechip control circuit is connected with the chopper circuit to control the working pulse width and the repetition frequency of an external energy storage capacitor.

Further, the pulse generator comprises a pulse xenon lamp, the wavelength range of the pulse xenon lamp is 400nm-1200nm, and the wavelength range of the optical filter is 460nm-1200 nm.

Furthermore, the range of the pulse width of the external energy storage capacitor is 1ms-150ms, the range of the pulse interval is 1s-10s, and the range of the number of pulses is 1-10.

Compared with the prior art, the beneficial effects of the utility model reside in that:

(1) the pulse light generated by the pulse generator is contacted with a human body through the optical filter and the light guide crystal, so that the human body absorbs the pulse light to generate a thermal effect, subcutaneous tissues are stimulated, the local temperature of the meibomian glands of the human body is increased, the obstruction condition of the meibomian glands is improved, the secretion of meibomian gland liquid is increased, and the aim of treating xerophthalmia is fulfilled;

(2) the cooling device is arranged on the light guide crystal and the pulse generator, the TEC refrigeration piece is used for keeping the temperature of the light guide crystal in contact with a human body to be moderate, the cooling pipe is used for preventing the temperature of the pulse generator from being overhigh, and the normal and stable use of the treatment handle is ensured.

Drawings

FIG. 1 is a schematic view of a therapeutic apparatus according to an embodiment of the present invention;

fig. 2 is a schematic structural diagram of a host according to an embodiment of the present invention;

fig. 3 is a schematic structural view of the treatment handle according to the embodiment of the present invention;

fig. 4 is a schematic structural diagram of a cooling device according to an embodiment of the present invention;

FIG. 5 is a block diagram of the working principle of the therapeutic apparatus according to the embodiment of the present invention;

in the figure: 10. a host; 11. a main controller; 111. a singlechip control circuit; 112. triggering a pre-combustion circuit; 12. a power source; 121. a switching type charging circuit; 122. an energy storage capacitor is externally connected; 123. a protection circuit; 124. a chopper circuit; 125. a filter circuit; 13. a human-computer interaction component; 131. a touch screen; 14. a housing; 15. a cable; 16. placing a base; 17. a moving wheel;

20. a treatment handle; 21. a pulse generator; 22. an optical filter; 23. a light guide crystal; 24. a control button; 25. a housing; 251. a head portion; 252. a grip portion; 253. anti-skid bumps;

30. a cooling device; 31. a cooling tube; 311. a hot water outlet pipe; 312. a cold water inlet pipe; 32. a TEC refrigeration piece; 33. a refrigeration system; 331. a heat sink; 3311. a water outlet; 3312. a water inlet; 332. a water tank; 333. a water pump; 334. an external water injection inlet; 335. an external overflow outlet; 336. a circulation inlet; 337. a recycle outlet; 338. an external drain port; 34. a temperature sensor.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and the detailed description, and it should be noted that the embodiments or technical features described below can be arbitrarily combined to form a new embodiment without conflict.

In the description of the present invention, it should be noted that, for the orientation words, if there are terms such as "center", "lateral", "longitudinal", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc., the orientation and positional relationship indicated are based on the orientation or positional relationship shown in the drawings, and only for the convenience of describing the present invention and simplifying the description, it is not intended to indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and not be construed as limiting the specific scope of the present invention.

Furthermore, if the terms "first" and "second" are used for descriptive purposes only, they are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features. Thus, the definition of "a first" or "a second" feature may explicitly or implicitly include one or more of the features, and in the description of the invention, "a plurality" means two or more unless specifically defined otherwise.

In the present invention, unless otherwise expressly specified or limited, the terms "assembled", "connected", and "connected", if any, are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally connected; or may be a mechanical connection; the two elements can be directly connected or connected through an intermediate medium, and the two elements can be communicated with each other. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to specific situations.

Referring to fig. 1 to 5 of the drawings, an intense pulse light dry eye treatment apparatus according to an embodiment of the present invention will be explained in the following description, in which a cooling device solves the overheating problem of a pulse generator and a light guide crystal, improves the safety of the treatment apparatus, stabilizes the temperature of a treatment handle, and improves the treatment efficiency.

As shown in fig. 1 to 5, the therapeutic apparatus of the embodiment of the present invention includes amain body 10 and atherapeutic handle 20, wherein acable 15 and acooling device 30 are connected between themain body 10 and thetherapeutic handle 20;

apulse generator 21, an optical filter 22, alight guide crystal 23 and acontrol button 24 are arranged in thetreatment handle 20, and thecooling device 30 comprises a coolingtube 31 arranged around thepulse generator 21 and a TEC (thermoelectric cooler) refrigeration piece 32 arranged on thelight guide crystal 23;

themain machine 10 comprises amain controller 11, apower supply 12 and a human-computer interaction assembly 13, a refrigeration system 33 of thecooling device 30 is arranged on themain machine 10, and thepower supply 12 is communicated with themain controller 11, the human-computer interaction assembly 13, the refrigeration system 33 and the treatment handle 20 respectively.

As shown in fig. 3, which is a schematic view of the internal structure of the treatment handle 20 of the present embodiment, wherein thelight guide crystal 23 is embedded in theshell 25 of the treatment handle 20 for human body contact, and thelight guide crystal 23 is made of sapphire; after thelight guide crystal 23, the optical filter 22 is fixed between thepulse generator 21 and thelight guide crystal 23 to filter the intense pulsed light emitted by thepulse generator 21, so that the wavelength of the pulsed light is suitable for the human body, and the human body is prevented from being damaged. Meanwhile, the TEC refrigerating sheet 32 is arranged on thelight guide crystal 23, and is used for maintaining the temperature of thelight guide crystal 23 at a proper temperature, so as to prevent the user from being burnt by overhigh temperature; and encircle aroundimpulse generator 21 and set up coolingtube 31, cool downimpulse generator 21, makeimpulse generator 21's temperature stable, avoided whole treatment handle 20's high temperature, be convenient for medical personnel to holdtreatment handle 20, guarantee treatment handle 20 can normally work simultaneously. Acontrol button 24 is also provided on thehousing 25 of the treatment handle 20 in communication with the control circuitry of thepulse generator 21 for controlling the on/off and power level of thepulse generator 21. The coolingtube 31 is integrally wrapped with thecable 15.

In order to facilitate the holding of the medical staff, the treatment handle 20 comprises ahead part 251 and a holdingpart 252, thelight guide crystal 23, the optical filter 22, thepulse generator 21 and other parts are arranged in thehead part 251, the holdingpart 252 is positioned below thehead part 251, thecable 15 and the coolingpipe 31 in thecooling device 30 pass through the holding part and are connected with themain machine 10, the shape of the holdingpart 252 is approximately cylindrical, and an anti-skidsalient point 253 is arranged on the side surface facing to the side where thelight guide crystal 23 is positioned, so that the holding part is convenient for the medical staff to hold and is not easy to fall off.

The specific structure of an implementation mode of thecooling device 30 of this embodiment is shown in fig. 4, thecooling device 30 includes atemperature sensor 34, a coolingtube 31, a TEC refrigeration sheet 32, and a refrigeration system 33, the refrigeration system 33 is disposed in thehost 10, thetemperature sensor 34 is connected to the refrigeration system 33 and thehost controller 11, transmits the detected temperature information to thehost controller 11, and thehost controller 11 controls the refrigeration system 33 and the TEC refrigeration sheet 32 to cool thelight guide crystal 23 and thepulse generator 21. The refrigeration system 33 includes aradiator 331, awater tank 332, and awater pump 333; thewater tank 332 is provided with an externalwater filling inlet 334, an external overflow outlet 335, a circulatinginlet 336, a circulatingoutlet 337 and an externalwater discharge port 338; thecirculation outlet 337 is communicated with thewater pump 333, and thecirculation inlet 336 is communicated with theradiator 331; theradiator 331 is provided with awater outlet 3311 and awater inlet 3312, thewater outlet 3311 is communicated with a hotwater outlet pipe 311 of the coolingpipe 31, and thewater inlet 3312 is communicated with a coldwater inlet pipe 312 of the coolingpipe 31. Cold water is injected from an externalwater injection inlet 334 and stored in thewater tank 332, then the cold water enters the coldwater inlet pipe 312 in the coolingpipe 31 from the circulatingoutlet 337 through thewater pump 333 to cool thepulse generator 21, then the heated cooling water enters thewater inlet 3312 of theradiator 331 from the hotwater outlet pipe 311, returns to the cold water and enters the circulatinginlet 336 of thewater tank 332, and then the circulating cooling is continued, meanwhile, the bottom of thewater tank 332 is provided with a water outlet for emptying thewater tank 332, and the top of thewater tank 332 is provided with an overflow port for overflowing excessive water. The TEC refrigeration piece 32 disposed on thelight guide crystal 23 is connected to the single chipmicrocomputer control circuit 111 in thehost 10, or the control circuit of thepulse generator 21, and operates under the control of thepower supply 12, and the operating principle of the TEC refrigeration piece 32 is the same as that in the prior art, and is not described herein again.

In addition, to ensure the normal and stable operation of thepulse generator 21 and to emit the required intense pulsed light, it is important for the control of thepower source 12, and thepower source 12 is the energy source of thepulse generator 21 and also supplies energy to the human-computer interaction assembly 13, themain controller 11 and thecooling device 30. More specifically, as shown in fig. 5, thepower supply 12 of this embodiment may be a commercial power supply, thepower supply 12 includes a switch-type charging circuit 121, an externalenergy storage capacitor 122, a refrigeration output circuit interface, achopper circuit 124, and afilter circuit 125, the refrigeration system 33 is connected to the refrigeration output circuit interface, and themain controller 11 is connected to the switch-type charging circuit 121 and the externalenergy storage capacitor 122. Themain controller 11 further comprises a single chipmicrocomputer control circuit 111 and a triggeringpre-burning circuit 112, wherein the triggeringpre-burning circuit 112 is connected with thepulse generator 21 to control thepulse generator 21 to enter or exit a pre-burning state. The single chipmicrocomputer control circuit 111 is connected with thechopper circuit 124 to control the working pulse width and the repetition frequency of the externalenergy storage capacitor 122. Thepulse generator 21 of the embodiment is a pulse xenon lamp, the wavelength range of the pulse xenon lamp is 400nm to 1200nm, the wavelength range of the optical filter 22 is 460nm to 1200nm, the pulse width range of the externalenergy storage capacitor 122 is 1ms to 150ms, the pulse interval range is 1s to 10s, and the number range of the pulses is 1 to 10. Thechopper circuit 124 is composed of a power switching element, and aprotection circuit 123 for driving the power switching element is provided.

When the therapeutic apparatus starts to work, the electric energy of the commercial power is rapidly charged to the externalenergy storage capacitor 122 through the switchtype charging circuit 121, when the voltage of the externalenergy storage capacitor 122 reaches a set value, the sampling circuits at the two ends of the externalenergy storage capacitor 122 will feed back to themain controller 11, namely, the single chipmicrocomputer control circuit 111 generates a signal accordingly, and the work of the switchtype charging circuit 121 is stopped, so that the voltage value of the externalenergy storage capacitor 122 meets the set requirement during every work. At this time, when thetouch screen 131 in the human-computer interaction component 13 generates a preparation signal, the single-chipmicrocomputer control circuit 111 sends the signal to thetrigger pre-burning circuit 112, and then thetrigger pre-burning circuit 112 generates a plurality of high-voltage pulses at two ends of the pulse xenon lamp, so that the gas in the pulse xenon lamp generates pre-ionization; meanwhile, the pulse xenon lamp enters a direct-current low-pressure pre-burning state due to the preset voltage of about 1000V at the two ends of the pulse xenon lamp, and the whole triggering pre-burning process is finished. Then, thechopper circuit 124 is controlled by thesinglechip control circuit 111, so that the electric energy on the energy storage capacitor is injected into the xenon lamp in the pre-burning state according to the preset working pulse width and repetition frequency, and the pulse xenon lamp enters a strong arc pulse discharge state; after the work is finished, a signal can be generated through thetouch screen 131, so that the single chip microcomputer sends an instruction, the closing end of the field-effect tube in the triggeringpre-burning circuit 112 is positioned, the pulse xenon lamp is made to exit the pre-burning state, and the whole work flow is finished.

In order to facilitate the user to know the working state of the therapeutic apparatus and perform parameter setting and control on the apparatus, the human-computer interaction assembly 13 includes atouch screen 131 for parameter setting, apparatus control and display, and thetouch screen 131 is connected with themain controller 11, thepower supply 12 and the refrigeration system 33; themain unit 10 includes ahousing 14, and thetouch screen 131 is embedded in thehousing 14. Medical personnel can set various parameters of themain controller 11 through thetouch screen 131 and control the energy density of the intense pulsed light to be 1-50J/cm²And can be finely adjusted according to the specific conditions of patients, so that the treatment effect is better. Before the operation is started, medical staff clean the face of a patient, perform necessary protection operation, then turn on the whole equipment, switch on the power supply 12, complete the equipment self-check through a self-check button on the touch screen 131, then click a start/stop key on the touch screen 131, enter a selection menu and start treatment; the parameter setting in the treatment process can be realized by clicking the "+" key and the "-" key to select the energy level of the light pulse to be output after entering the corresponding treatment menu on the touch screen 131, or selecting the energy level through the control button 24 on the treatment handle 20, displaying the corresponding energy level on the touch screen 131, and clicking the confirmation key on the interface after adjusting the required energy level; when treatment is carried out, after a confirmation key on the touch screen 131 is clicked, the pre-burning circuit 112 is triggered to start working, the display on the touch screen 131 is in a preparation state, when the display on the touch screen 131 is in an output state, medical personnel paint protective gel on the treatment part of a patient, align the light guide crystal 23 with the protective gel, enable the light guide crystal to be completely contacted with the protective gel and not to be contacted with the skin, press the control button 24 and emit intense pulsed light for treatment; then the treatment handle 20 is moved to the next treatment part coated with the protective gel, and the operation is repeated until the treatment is finished; after treatment is complete, the treatment handle 20 needs to be cleaned. In order to facilitate the medical staff to place thetreatment handle 20, the side surface of theshell 14 of the main body is provided with a placingbase 16 of thetreatment handle 20, and the treatment handle 20 can be hung when the treatment handle 20 is not needed to be usedIn theplacement base 16. In addition, the bottom of theshell 14 of the main body is provided with a movingwheel 17, so that medical personnel can conveniently move the main body, and the operation is more flexible.

The above embodiments are only preferred embodiments of the present invention, and the protection scope of the present invention cannot be limited thereby, and any insubstantial changes and substitutions made by those skilled in the art based on the present invention are all within the protection scope of the present invention.

Claims (9)

1. An intense pulse light dry eye therapeutic apparatus comprises a host and a therapeutic handle, and is characterized in that a cable and a cooling device are connected between the host and the therapeutic handle;

the treatment handle is internally provided with a pulse generator, an optical filter, a light guide crystal and a control button, and the cooling device comprises a cooling tube arranged around the pulse generator and a TEC (thermoelectric cooler) refrigeration piece arranged on the light guide crystal;

the main machine comprises a main controller, a power supply and a human-computer interaction assembly, a refrigerating system of the cooling device is arranged on the main machine, and the power supply is communicated with the main controller, the human-computer interaction assembly, the refrigerating system and the treatment handle respectively.

2. The intense pulse light dry eye treatment apparatus of claim 1, wherein said refrigeration system comprises a heat sink, a water tank, and a water pump;

the water tank is provided with an external water injection inlet, an external overflow outlet, a circulating inlet, a circulating outlet and an external water outlet; the circulating outlet is communicated with the water pump, and the circulating inlet is communicated with the radiator;

the radiator is provided with a water outlet and a water inlet, the water outlet is communicated with a hot water outlet pipe of the cooling pipe, and the water inlet is communicated with a cold water inlet pipe of the cooling pipe.

3. The intense pulse light dry eye treatment apparatus of claim 1 or claim 2, wherein the cooling device further comprises a temperature sensor disposed within the treatment handle, the temperature sensor being connected to the refrigeration system and the main controller.

4. The intense pulse light dry eye treatment apparatus of claim 1, wherein said human-computer interaction assembly comprises a touch screen for parameter setting, device control and display, said touch screen being connected to said main controller, said power supply and said refrigeration system;

the host comprises a shell, and the touch screen is embedded on the shell.

5. The intense pulse light dry eye therapeutic apparatus of claim 1, wherein the power supply comprises a switch-type charging circuit, an external energy storage capacitor, a refrigeration output circuit interface, a chopper circuit and a filter circuit, the refrigeration system is connected with the refrigeration output circuit interface, and the main controller is connected with the switch-type charging circuit and the external energy storage capacitor.

6. The intense pulse light dry eye treatment apparatus of claim 5, wherein the main controller further comprises a single-chip microcomputer control circuit and a trigger pre-fire circuit that is switched on with the pulse generator to control the pulse generator to enter or exit a pre-fire state.

7. The intense pulse light dry eye therapeutic apparatus of claim 6, wherein said single chip control circuit is in communication with said chopper circuit to control the operating pulse width and repetition rate of an external energy storage capacitor.

8. An intense-pulse light dry eye treatment apparatus according to claim 1, 2, 4 or 5, wherein said pulse generator comprises a pulsed xenon lamp having a wavelength in the range of 400nm to 1200nm and said filter having a wavelength in the range of 460nm to 1200 nm.

9. The intense-pulse light dry eye therapeutic apparatus according to claim 5, wherein the external energy storage capacitor has a pulse width ranging from 1ms to 150ms, a pulse interval ranging from 1s to 10s, and a number of pulses ranging from 1 to 10.

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