CN209734770U

CN209734770U - Power-tunable laser moxibustion device

Info

Publication number: CN209734770U
Application number: CN201822046515.1U
Authority: CN
Inventors: 杨佐琴; 李钰; 庄光彤; 靳素萍; 杨江; 王永刚
Original assignee: Individual
Current assignee: Individual
Priority date: 2018-12-07
Filing date: 2018-12-07
Publication date: 2019-12-06
Anticipated expiration: 2028-12-07

Abstract

A power-tunable laser moxibustion device belongs to the field of laser medical treatment and comprises a high-power optical fiber laser, an optical fiber coupler, a broadband light source, a circulator, a wavelength demodulation module and a laser moxibustion probe. The utility model provides a power tunable laser moxibustion device which has simple system structure, high light energy utilization rate, tunable light energy power, sensitive temperature detection and is safe to human body.

Description

Power-tunable laser moxibustion device

Technical Field

The utility model belongs to the laser medical field, in particular to a device is treated in tunable laser moxibustion of power.

Background

The traditional Chinese medicine moxibustion method is based and guided by the meridian theory of the traditional Chinese medicine, takes moxa as a main material, directly or indirectly heats and presses acupuncture points of a human body by using the burnt moxa, even burns the acupuncture points, stimulates the sense organs of the skin of the human body by virtue of the tepidity effect generated when the moxa is burnt, stimulates the meridian qi by causing the temperature change of the surface and deep tissues of the skin, balances the yin and yang of the human body by the conduction of the meridian, and adjusts the functional activity of the human body, thereby achieving the purposes of disease prevention and health care. Different moxibustion temperatures generate different moxibustion warming effects to achieve different moxibustion curative effects, the curative effect is difficult to generate when the temperature is too low, and the skin is easily scalded and the infection is easily induced when the temperature is too high. The traditional moxibustion method is mostly characterized in that a person to be moxibustion feels comfortable, local skin moxibustion is performed until the degree of flushing, and the distance and time of moxibustion are adjusted by a person applying moxibustion in the operation process to adjust the stimulation amount to acupuncture points.

Laser Moxibustion is a novel treatment method which adopts Laser (mainly low-energy Laser) to irradiate acupuncture points under the guidance of the meridian theory and the theory of treatment based on syndrome differentiation of traditional Chinese medicine so as to achieve the effects of disease prevention, disease treatment and health care. The laser moxibustion uses low-intensity laser beam to directly or expand beam to irradiate acupuncture points, namely, the light moxibustion, to replace the traditional moxibustion therapy and effectively, continuously and intensively stimulate the acupuncture points. When laser is transmitted from the human epidermis to the depths of acupuncture points, the epidermis and subcutaneous tissues reflect, refract, absorb and scatter incident laser, so that the electric field intensity actually reaching the depths of the appointed acupuncture points to generate photothermal action is attenuated in an exponential relation with the penetration distance, and the heat exchange and conduction of the surfaces and deep tissues of the acupuncture points are realized by an accurate measurement and control means, so that the laser moxibustion effect is superior to the warming and ventilating effect of the traditional moxibustion method.

The optical fiber sensing is generally researched and applied in the fields of scientific research, engineering, civil use and the like as a novel sensing technology, the Bragg grating is inscribed in the common optical fiber to form a temperature and stress sensor, and the temperature and stress sensor has unique advantages compared with the traditional electronic sensor in the key measurement indexes such as measurement range, response speed, resolution and sensitivity. The fiber Bragg grating is used as a passive device with wavelength demodulation and sensitivity to temperature and stress, is usually combined with a broadband light source, a wavelength demodulation system and a wavelength division multiplexing network, and meets the requirements of sensing and monitoring means in modern communication networks and special fields.

Present low energy laser moxibustion instrument based on fiber waveguide though can be through optic fibre with laser positioning to target acupuncture point, but to the unable effective detection of temperature field change around the acupuncture point, there is the problem that can't acquire effect feedback on the manual is treated in simulation traditional chinese medical moxibustion, is difficult to realize through adjusting the light energy size all the time, realizes the purpose of accurate ration implementation moxibustion, also is difficult to real-time effective monitoring to the effect that the terminal tissue was treated in the moxibustion, the utility model provides a system simple structure, light energy utilization rate are high, the luminous energy power is tunable, the temperature is surveyed sensitively, treats device to the tunable laser moxibustion of a power of human safety.

SUMMERY OF THE UTILITY MODEL

In order to overcome among the prior art laser moxibustion and treat the device and can't shine department laser moxibustion to the acupuncture point and treat the effect and carry out real-time supervision to according to measured data feedback control laser moxibustion and treat intensity scheduling problem, the utility model provides a system simple structure, light energy utilization rate height, light energy power tunable, temperature detection sensitivity, to the device is treated in the tunable laser moxibustion of a power of human safety.

The utility model discloses a solve the technical scheme that technical problem took:

The laser moxibustion device is characterized by comprising a high-power optical fiber laser, an optical fiber coupler, a broadband light source, a circulator, a wavelength demodulation module and a laser moxibustion probe; the high-power optical fiber laser is connected with the input end of the optical fiber coupler; the broadband light source is connected with a port 1 of the circulator; the port 2 of the circulator is connected with the input end of the optical fiber coupler; the output end of the optical fiber coupler is connected with the laser moxibustion probe; the 3 port of the circulator is connected with a wavelength demodulation module; the laser moxibustion probe integrates the light energy conduction optical fiber and the temperature detection optical fiber into the laser moxibustion probe, detects the temperature field change of the acupoint irradiation part by processing the fiber Bragg grating at the tail end of the temperature detection optical fiber, and prevents the fiber Bragg grating at the tail end of the temperature detection optical fiber from deforming by using the polymer reinforced sleeve.

The utility model has the advantages that:

The utility model discloses use array fiber as laser moxibustion to treat the probe, treat fiber array's distribution and polymer filling structure in the probe through rational design laser moxibustion, treat with traditional moxa moxibustion and treat with other laser moxibustion and compare, can last stable carry out evenly shining and permeate heat energy by the surface to subcutaneous tissue through light and heat effect to human acupuncture point, can avoid traditional moxibustion method effect unable real-time supervision feedback, execute moxibustion heat energy and can not regulate and control the scheduling problem.

The utility model discloses an on the temperature detection optic fibre of probe center distance terminal certain distance is treated in laser moxibustion, carve and write the sensitive optic fibre bragg grating of temperature, carry out real-time effective monitoring to the human surface of laser action region and the temperature field change of subcutaneous tissue effusion, when the temperature risees, bragg wavelength drifts to the shortwave, and when the temperature reduced, bragg wavelength drifts to the long wave.

The utility model discloses a temperature sensing data of the terminal fiber bragg grating of temperature detection optic fibre of probe center is treated in laser moxibustion through wavelength demodulation template demodulates, and the grating zone based on the heat diffusion of surface tissue effusion and fiber bragg grating carries out the coupling, leads to grating zone crystal refracting index to change, realizes the modulation to fiber grating reflection spectrum center wavelength to the temperature field change of acupuncture point department is calculated out according to this wavelength drift data, and realizes high-power fiber laser output's tuning through feedback loop.

The utility model discloses a broadband light source combines single mode fiber as moxibustion therapy irradiation light energy, can be by the high-efficient absorptive spectral range of human subcutaneous acupuncture point biological tissue through the reasonable selection, realizes the heating power effect of low energy laser to human acupuncture point department surface and subcutaneous tissue.

Drawings

Fig. 1 is a schematic structural view of the laser moxibustion probe of the present invention.

Fig. 2 is the schematic diagram of the temperature detecting optical fiber structure of the present invention.

Fig. 3 is a schematic structural view of the power-tunable laser moxibustion device of the present invention.

Detailed Description

The utility model is further described with reference to the accompanying drawings.

As shown in FIG. 1, the laser moxibustion probe comprises a temperature detecting optical fiber 101, a polymer reinforced sleeve 102, an inner light energy conducting optical fiber 103, a polymer filled tape 104, an outer light energy conducting optical fiber 105, and a polyethylene protective layer 106.

As shown in fig. 2, the temperature detection fiber includes a common single mode fiber 201 and a fiber bragg grating 202.

As shown in fig. 3, a power tunable laser moxibustion device includes a high-power fiber laser 301, a broadband light source 302, a wavelength demodulation module 303, a circulator 304, a fiber coupler 305 and a laser moxibustion probe 306. The high-power optical fiber laser 301 is connected with the input end of the optical fiber coupler 305, the broadband light source 302 is connected with the 1 port of the circulator 304, the 2 port of the circulator 304 is connected with the input end of the optical fiber coupler 305, the output end of the optical fiber coupler 305 is connected with the laser moxibustion probe 306, and the 3 port of the circulator 304 is connected with the wavelength demodulation module 303.

The utility model discloses a working method does: the high-energy laser emitted by the high-power fiber laser 301 enters the input end of the fiber coupler 305, is divided into 22 beams of low-energy laser by the waveguide coupling effect inside the coupler, is injected into the input end of the laser moxibustion probe 306 to reach the surface of the acupuncture points of the human body, penetrates the electromagnetic energy to the acupuncture points through the photothermal effect with the epidermis, and generates the thermal effect with the human tissue to form the moxibustion effect, the broadband detection light wave of the broadband light source 302 is input to the 1 port of the circulator 304 and is output through the 2 port, and is injected into the tail-end laser moxibustion probe 306 through the fiber coupler 305 together with the high-energy laser. The temperature field changes in the acupoint regions cause the reflected echoes of the detected signal from the broadband light source 302 to drift in wavelength by interacting with the distal sensing fiber bragg grating 202 of the temperature detecting fiber 101, and the reflected signal enters the 2-port of the circulator 304 along the fiber coupler 305 and reaches the wavelength demodulation module 303 through the 3-port. The wavelength demodulation module 303 analyzes the information of the wavelength drift, calculates the temperature acting on the acupoints, inputs the information into the computer, and performs feedback tuning on the output power of the high-power fiber laser through the computer.

The utility model discloses the key technology that can realize that tunable laser of power moxibustion treats does: high-energy laser is split into a plurality of low-energy lasers, so that the light energy utilization rate, the illumination area and the focusing degree are increased, and the irradiation damage to the epidermis and the subcutaneous tissues of a human body is reduced; by using the high-sensitivity fiber Bragg grating and processing the high-resolution temperature measurement grating at the tail end of the temperature detection fiber, the sensing sensitivity and the monitoring range of the temperature field change at the affected acupoint are improved, and the real-time regulation and control capability and the control precision of the temperature change feedback control fiber laser power output are improved; based on the double sensitivity of the fiber bragg grating to temperature and strain, a polymer reinforcing sleeve is added on the outer layer of the temperature detection fiber, so that the stress transmission of the deformation of a probe to the fiber bragg grating at the tail end is avoided, and the cross influence of environmental stress on temperature detection is avoided; the light energy conduction optical fiber and the temperature sensing optical fiber are integrated into the laser moxibustion probe with the dual functions of photothermal effect and temperature detection, the optical power output of the optical fiber laser can be automatically adjusted according to the temperature change of the acupuncture points, and the safety, effectiveness and reliability of laser moxibustion are improved.

In a specific embodiment of the present invention, the central wavelength of the high power fiber laser 301 is 850nm, the output power is between 1W and 10W, the fiber coupler 305 divides the high power laser into 22 beams, the single low power laser is set between 50mW and 400mW, and the probing light wave together with the broadband light source 302 is injected into the end temperature probing fiber 306 for the acupuncture point irradiation treatment and temperature sensing, and the wavelength range of the broadband light source 302 is set between 820nm and 890 nm. When the incident intensity of the laser light source is set to be 2W, under the condition of room temperature, the temperature field variation range of the acupoint action region obtained through experiments is approximately 26-50 ℃, the detection sensitivity of the Bragg grating 202 is 12 pm/DEG C, the wavelength drift amount of the Bragg grating 202 is analyzed through the wavelength demodulation module 303 with the measurement resolution of 1pm, and therefore the temperature of different acupoints is monitored in real time.

What has been described above and shown in the drawings is merely a preferred embodiment of the invention. It should be noted that, for those skilled in the art, variations and modifications can be made without departing from the principle of the present invention, and these should also be considered as belonging to the protection scope of the present invention.

Claims

1. A power tunable laser moxibustion device is characterized by comprising a high-power optical fiber laser, an optical fiber coupler, a broadband light source, a circulator, a wavelength demodulation module and a laser moxibustion probe; the high-power optical fiber laser is connected with the input end of the optical fiber coupler; the broadband light source is connected with a port 1 of the circulator; the port 2 of the circulator is connected with the input end of the optical fiber coupler; the output end of the optical fiber coupler is connected with the laser moxibustion probe; the 3 port of the circulator is connected with a wavelength demodulation module; the laser moxibustion probe integrates the light energy conduction optical fiber and the temperature detection optical fiber into the laser moxibustion probe, detects the temperature field change of the acupoint irradiation part by processing the fiber Bragg grating at the tail end of the temperature detection optical fiber, and prevents the fiber Bragg grating at the tail end of the temperature detection optical fiber from deforming by using the polymer reinforced sleeve.

2. the power tunable laser moxibustion device as claimed in claim 1, wherein the high-power laser emitted from the high-power fiber laser 301 enters the input end of the fiber coupler 305, and is divided into 22 low-power laser beams by the waveguide coupling inside the coupler, and the laser beams are injected into the input end of the laser moxibustion probe 306 to reach the surface of the acupoints of the human body, so as to penetrate the electromagnetic field to the acupoints by the photothermal action with the epidermis to form moxibustion effect, the broadband detection light wave from the broadband light source 302 is input to the 1 port of the circulator 304 and output through the 2 port, and is injected into the laser moxibustion probe 306 at the end through the fiber coupler 305 simultaneously with the high-power laser beams, the temperature field variation in the acupoints region causes the wavelength shift of the detection signal from the broadband light source 302 by interacting with the sensing fiber bragg grating 202 of the temperature detection fiber 101, and the reflected signal enters the 2 port of the circulator 304 along the fiber coupler 305, and reaches the wavelength demodulation module 303 through the 3-port, the temperature acting on the acupoints is calculated by analyzing the information of wavelength drift, the information is input into a computer, and the output power of the high-power fiber laser is fed back and tuned by the computer.

3. The power-tunable laser moxibustion device of claim 1, wherein the high-power fiber laser emits high-energy laser with a center wavelength of 850nm, the output power is between 1W and 10W, the fiber coupler divides the high-energy laser into 22 beams, and the single low-energy laser is arranged between 50mW and 400mW, so that the light energy utilization rate and the illumination area are increased, and the risk of injury to the epidermis of the human body is reduced.

4. the power-tunable laser moxibustion device of claim 1, wherein a polymer reinforced sleeve is added on the outer layer of the temperature detection fiber according to the dual sensitivity of the fiber bragg grating to temperature and strain, so as to avoid the stress transmission of the deformation of the probe to the end fiber bragg grating and the cross influence of environmental stress on temperature detection, and the light energy transmission fiber and the temperature sensing fiber are integrated into the laser moxibustion probe with the dual functions of photothermal effect and temperature detection, so that the light power output of the front laser can be automatically adjusted according to the temperature change of the acupoints, and the safety and effectiveness of laser moxibustion are improved.