CN2582620Y

CN2582620Y - Blood vessel internal radiation therapeutic apparatus capable of selecting and compounding wave length

Info

Publication number: CN2582620Y
Application number: CN 02250017
Authority: CN
Inventors: 郭志友; 孙慧卿; 范广涵
Original assignee: South China Normal University
Current assignee: South China Normal University
Priority date: 2002-12-04
Filing date: 2002-12-04
Publication date: 2003-10-29
Anticipated expiration: 2012-12-04

Abstract

The utility model relates to a blood vessel internal radiation therapeutic apparatus capable of selecting and compounding wave length, which is composed of a needle head with an optical system, a control switching circuit, a single-chip microcomputer circuit, a keyboard display circuit, a keyboard, a display and a power supply, wherein, the needle head with the optical system is composed of an optical fiber, a convex lens, a needle head light-emitting diode (LED) and a needle head outer shell machinery. The physiotherapy equipment can change the wavelength of the therapeutic apparatus, the wavelength can be combined into a composite wavelength, the therapy power can be controlled, and the cost is low.

Description

The intravascular irradiation therapeutic equipment of optional and composite wavelength

(1) technical field

This utility model is a kind of intravascular irradiation therapeutic equipment of optional and composite wavelength, is specifically related to electronics, medical treatment and technique with the apparatus field, belongs to medical device technology.

(2) background technology

The instrument that utilizes the effect of light to treat is many, by the direct irradiation of light to human body cell, the moving speed of cell is accelerated, and plays sterilization, promotes the effect that cell is grown.In medical apparatus and instruments, directly therapeutic equipments mainly is the instrument that utilizes the laser instrument principle to constitute, and mainly is divided into large-scale and small-sized two kinds.At present, the problem that these therapeutic instruments exist is: (1) price comparison height, the large-scale instrument that performance is good, therapeutic effect is good are wanted tens0000 yuan, and the therapeutic instrument price of common model also higher (price is at 2～6,000 yuan) is unfavorable for the large-scale popularization use; (2) the treatment wavelength is single, has only the therapeutic instrument that utilizes red laser diode to make at present, can not adjust wavelength.

(3) content of utility model

The purpose of this utility model is exactly to overcome the technical problem that exists in the above-mentioned prior art, and a kind of wavelength that can change therapeutic instrument is provided, and can form composite wavelength, can control the power of treatment, and lower-cost intravascular irradiation therapeutic equipment.

This utility model is electrically connected jointly and is constituted by syringe needle, control change-over circuit, single chip circuit, keyboard/display circuit, keyboard, display, the power supply of band optical system, wherein, the syringe needle of band optical system is installed by optical fiber, convex lens, syringe needle light emitting diode (LED) and syringe needle shell machinery and is constituted; Its interconnected relationship is: the LED input line in the optical system is electrically connected mutually with the output lead of control change-over circuit; The input control line of control change-over circuit is electrically connected mutually with the control line of single chip circuit; The input control line of keyboard is electrically connected mutually with the output lead of keyboard/display circuit; The input control line of display is electrically connected mutually with the output lead of keyboard/display circuit.

In above-mentioned utility model, the light-emitting diode chip for backlight unit that the syringe needle light emitting diode is equipped with 1 to 6 different colours, be electrically connected jointly (is D1～D6); Convex lens is according to formula 1/f=(n-1) (1/R ₁+ 1/R ₂)+n ²D/ (R ₁R ₂) process design, wherein, R1, R2 are radius of curvature, and n is a refractive index, and d is a thickness; Position relation between optical fiber, convex lens, the syringe needle light emitting diode is adjusted by experiment and is determined, guarantees that the light that LED sends is bundled in the optical fiber through behind the lens, transfers out by syringe needle; The control change-over circuit is electrically connected jointly by voltage-stabilizing device IC7, multi-channel analog switch circuit IC3, IC7, IC8, potentiometer W1～W8 and constitutes; Single chip circuit is electrically connected jointly by single-chip microcomputer IC1, crystal oscillator C4, resistance R 1, capacitor C 1 and constitutes; Keyboard/display circuit is electrically connected jointly and is constituted by keypad/display part IC2, three-eight decoding circuit IC4; Keyboard by the common electricity of switch S 1～S9 be electrically connected constitute, charactron L1, L2, L3 be electrically connected jointly and constitute; Power supply is connected and composed by source of stable pressure device IC6, the common electrical equipment of rectifier bridge IC5.

Style of work principle of the present utility model and circuit working principle thereof are as follows: energized, press on and off switch, single-chip microcomputer IC1 is by keyboard/display circuit scanning switch S1～S9, and wait for that treatment is set uses wavelength and power, utilize " redness ", " green ", " blueness ", " orange ", " white " button of keyboard to select wavelength, perhaps select composite wavelength by the numeral of display; Next wait for treatment time is set, by " △ ", " ", " → " key is set the time, the display demonstration time is provided with numerical value, by determining key, the control change-over circuit is given the power supply of syringe needle light emitting diode, lights according to the parameter that is provided with, time begins countdown, when the time numeral was kept to " 0 ", the physical therapy lamp went out, and treatment finishes.

This utility model compared with prior art has following advantage and effect: (1) can conversion the wavelength of treatment, comprise multiple single wavelength and composite wavelength; (2) can be by the time of keyboard setting and control physical therapy; (3) adopt low cost, high-brightness LED as light source, the therapeutic instrument cost is lower; (4) can control the power of treatment.

(4) description of drawings

Fig. 1 is an appearance structure sketch map of the present utility model

Fig. 2 is the structural representation of the syringe needle of band optical system in this utility model

Fig. 3 is circuit theory diagrams of the present utility model

Fig. 4 is a circuit diagram of the present utility model

(5) concrete embodiment

In Fig. 1,1 syringe needle for the band optical system, 2 is display, and 3 is cabinet, and 4 is on and off switch, and 5 are supply socket, 6 expression keyboards.

As seen from Figure 2,7 light that send for syringe needle, the syringe needle of band optical system is installed formations by optical fiber 8, convex lens 9, syringe needle light emitting diode (comprising shell 10 and chip 11) and syringe needle shell 12 machineries.13 expression LED pins.Position relation between convex lens, optical fiber, the light emitting diode is adjusted by experiment and is determined, guarantees that the light that LED sends is bundled in the optical fiber through behind the lens, transfers out by syringe needle.Lens are according to formula 1/f=(n-1) (1/R ₁+ 1/R ₂)+n ²D/ (R ₁R ₂) process design, wherein, R1, R2 are radius of curvature, and n is a refractive index, and d is a thickness.7 expressions are through the light shafts after the optical treatment.For example: selecting the diameter of LED is Φ 5, and lens diameter selects Φ 8, selects thick type optical fiber, and the beam diameter that obtains is about Φ 1～Φ 1.5, and light intensity is about 3～4 times of LED.1～6 of the led chip of different wave length can be installed, and for example: three chips, each chip sends the light of different colours.

As seen from Figure 3, the light-emitting-diode therapeutic instrument of variable wavelength is electrically connected jointly and is constituted by syringe needle, control change-over circuit, single chip circuit, keyboard/display circuit, keyboard, display, the power supply of band optical system, and its interconnected relationship is: the LED input line in optical system is electrically connected mutually with the output lead of control change-over circuit; The input control line of control change-over circuit is electrically connected mutually with the control line of single chip circuit; The input control line of keyboard is electrically connected mutually with the output lead of keyboard/display circuit; The input control line of display is electrically connected mutually with the output lead of keyboard/display circuit.The syringe needle of band optical system is installed and is constituted by light emitting diode, convex lens, optical fiber, syringe needle shell machinery.

As seen from Figure 4, the syringe needle light emitting diode comprises three chip D1～D3, and they are electric jointly mutually; The control change-over circuit is electrically connected jointly by voltage-stabilizing device IC7, multi-channel analog switch circuit IC3, IC8, IC9, potentiometer W1～W8 and constitutes; Single chip circuit is electrically connected jointly by single-chip microcomputer IC1, crystal oscillator C4, resistance R 1, capacitor C 1 and constitutes; Keyboard/display circuit is electrically connected jointly and is constituted by keypad/display part IC2, three-eight decoding circuit IC4; Keyboard by switch S 1, the common electrical equipment of S9 connect and compose, charactron L1, L2, the common electrical equipment of L3 connects and composes; Power supply is connected and composed by source of stable pressure device IC6, the common electrical equipment of rectifier bridge IC5.

Making of the present utility model and each components and parts require as follows: (1) control chamber can be selected plastics or metal for use, processes with method in common according to Fig. 1; (2) process special convex lens respectively by Fig. 2, require to reach more than 80%, and make optical system, weld led chip again, at last the syringe needle of assembling band optical system through boundling light; (3) press Fig. 4 design circuit plate, wherein, the optional ED-011RDH model of light emitting diode D1～D3; (4) press Fig. 4 design circuit circuit board, select components and parts to weld and Installation and Debugging then, and be installed in the control chamber, wherein, the optional AT89C051 model of IC1 single-chip microcomputer; Optional 8279 models of IC2, optional 4051 models of IC3, the optional 74F138 model of IC4, the rectifier circuit of the optional common model of IC5, the regulated power supply of the optional common model of IC6, the optional AD580 model of IC7, the L1～optional LN AG of L3 charactron model; (5) the good circuit board of debugging is installed in the control chamber, the line of the line of the source of welding current and control chamber, control chamber and physical therapy plate can be finished this utility model again.

Claims

1, a kind of intravascular irradiation therapeutic equipment of optional and composite wavelength, it is characterized in that: it is electrically connected jointly and is constituted by syringe needle, control change-over circuit, single chip circuit, keyboard/display circuit, keyboard, display, the power supply of band optical system, wherein, the syringe needle of band optical system is installed by optical fiber, convex lens, syringe needle light emitting diode and syringe needle shell machinery and is constituted; Its interconnected relationship is: the LED input line in the optical system is electrically connected mutually with the output lead of control change-over circuit; The input control line of control change-over circuit is electrically connected mutually with the control line of single chip circuit; The input control line of keyboard is electrically connected mutually with the output lead of keyboard/display circuit; The input control line of display is electrically connected mutually with the output lead of keyboard/display circuit.

2, physiotherapy apparatus as claimed in claim 1 is characterized in that: the light-emitting diode chip for backlight unit that described syringe needle light emitting diode is equipped with 1 to 6 different colours, is electrically connected jointly; Convex lens must satisfy formula 1/f=(n-1) (1/R ₁+ 1/R ₂)+n ²D/ (R ₁R ₂) requirement; Position relation between optical fiber, convex lens, the syringe needle light emitting diode guarantees that the light that LED sends is bundled in the optical fiber through behind the lens, transfers out by syringe needle; The control change-over circuit is electrically connected jointly by voltage-stabilizing device IC7, multi-channel analog switch circuit IC3, IC7, IC8, potentiometer W1～W8 and constitutes; Single chip circuit is electrically connected jointly by single-chip microcomputer IC1, crystal oscillator C4, resistance R 1, capacitor C 1 and constitutes; Keyboard/display circuit is electrically connected jointly and is constituted by keypad/display part IC2, three-eight decoding circuit IC4; Keyboard by the common electricity of switch S 1～S9 be electrically connected constitute, charactron L1, L2, L3 be electrically connected jointly and constitute; Power supply is connected and composed by source of stable pressure device IC6, the common electrical equipment of rectifier bridge IC5.

3, physiotherapy apparatus as claimed in claim 1 or 2 is characterized in that: described light emitting diode adopts the ED-011RDH model; IC1 adopts AT89C051 model single-chip microcomputer; IC2 adopts 8279 models, and IC3 adopts 4051 models, and IC4 adopts the 74F138 model, and IC7 adopts the AD580 model, and L1～L3 charactron adopts LN AG model.