CN2676926Y

CN2676926Y - Ultrasonic wound surface therapeutic instrument

Info

Publication number: CN2676926Y
Application number: CN 200420032848
Authority: CN
Inventors: 赖西南; 赵辉; 陈菁; 王丽丽
Original assignee: Field Operation Surgery Research Institute Third Military Medical University Of Pla
Current assignee: Field Operation Surgery Research Institute Third Military Medical University Of Pla
Priority date: 2004-02-14
Filing date: 2004-02-14
Publication date: 2005-02-09
Anticipated expiration: 2014-02-14

Abstract

The utility model provides an ultrasonic wound surface therapeutic instrument, which is characterized in that: an admitting pipe 9 on the lower end of a rinse solution bottle 8 is communicated with the water pipe 11 of a flushing head 7 by a hydroelectric clad pipe 6; a power supply line 13 in the hydroelectric clad pipe 6 enables an ultrasonic power 12 to be communicated with a transducer 18 in the flushing head 7. The ultrasonic wound surface therapeutic instrument adds the ultrasonic on a jet stream to flush wounds, germ-removing effect is obvious, the tissue which is flushed has little damage, and the wounds which are flushed are easy to heal up; a microprocessor controls the automatic tracking of the ultrasonic power, the efficiency of a transducer is played to the maximum limit; the ultrasonic wound surface therapeutic instrument adopts the form that liquids enter from the center of a variable-amplitude rod and flows out from the end of the variable-amplitude rod; the water flow which is jetted achieves biggest ultrasonic energy and sufficient cavitation; meanwhile, the heat quantity produced by the transducer can quickly dissipate, and the tissue which is flushed can be prevented from burning.

Description

Ultrasonic Wound treating instrument

One, technical field:

This utility model relates to a kind of Medical Instruments, especially ultrasonic Wound treating instrument.

Two, background technology:

At present, in the treatment of wound surface and damage thereof, the flushing treatment is an important measures.Pouring method, high pressure rinse etc. are mainly adopted in flushing in the past.The pouring method is easy to use, but little to organizing impulsive force, and the effect of removing antibacterial and foreign body is limited, uses often in conjunction with scrubbing wound in the art, easily causes tissue injury; High pressure rinse and high-voltage pulse irrigation, the ability of removing antibacterial and foreign body is strong than the pouring method, but because flushing liquor pressure height (5-30g/mm2) has and brings the wound surface antibacterial into organize deep layer report, high pressure rinse might damage the flushing tissue simultaneously.The eighties has report abroad, with palm, the wound at positions such as vola directly is soaked in ultrasound wave and loads in the solution that is in static state, utilize hyperacoustic " cavitation " effect to remove the antibacterial of wound, it is reliable for effect that this method is removed antibacterial, light to tissue injury, but there is the position that only limits to wash in the energy soaking flushing groove, and the flushing position is soaked in the flushing liquor that is rinsed down germ contamination all the time, now, domestic have a kind of employing jet to load ultrasonic technology flushing wound surface, the ultrasonic irrigator of wound and other gdna contamination, the ultrasonic power of this machine can not change according to load impedance and carry out the Automatic Frequency variation, thereby causes ultrasonic transducer efficient low; The flushing liquid of this machine is from the other chamber water inlet of horn simultaneously, by the effusive pattern of chamber front end, thereby the ultrasonic energy that horn is amplified can not make full use of, and is difficult to maximal efficiency ground performance ultrasound wave and removes antibacterial and slough, promotes the effect of injury repairing.

Three, utility model content:

The purpose of this utility model provides a kind of ultrasound wave that utilizes and loads on injection stream, flows into flushing liquor through the horn mesopore, the ultrasonic Wound treating instrument that is irrigated by end outflow form.

Concrete scheme of the present utility model is: a kind of ultrasonic Wound treating instrument, comprise rinse solution bottle, water inlet pipe, it is characterized in that: the water inlet pipe of rinse solution bottle lower end communicates with the water pipe of syringe pipe by the water power multiple tube, and the power line in the water power multiple tube is connected the transducer in ultrasonic power and the syringe pipe.

Described syringe pipe is made up of overcoat, water pipe head, fixed plastics, clamp nut, radiating block, transducer, horn, hollow screw, wherein hollow screw one end in the overcoat connects water inlet pipe by water pipe head, the other end of hollow screw stretches in the through hole of horn, stretch out outside the overcoat other end of horn, central authorities in hollow screw are installed with transducer and radiating block, transducer and radiating block are fixed by clamp nut and the horn that both sides are solidly set on the hollow screw, also are installed with fixed plastics at the water inlet end of hollow screw.

This programme causes that output current changes because the load impedance in the ultrasonic power changes, the voltage of current sample output must change thereupon, single-chip microcomputer in the ultrasonic power carries out the frequency adjustment according to the change in voltage that sample circuit obtains, make the load of ultrasonic power always be in resonant condition, reach peak power, realize this utility model automatic frequency tracking, simultaneously by ultrasonic power control transducer, bring into play the efficient of transducer to greatest extent, employing by the terminal effusive form of horn, makes the current that eject obtain maximum ultrasonic energy behind horn central authorities feed liquor.

Adopt the beneficial effect of such scheme to be: can realize the Single-chip Controlling ultrasonic power from motion tracking, bring into play the efficient of transducer to greatest extent; Employing by the terminal effusive form of horn, makes the current that eject obtain maximum ultrasonic energy behind horn central authorities feed liquor, and fully cavitation can make the heat of transducer generation scatter and disappear rapidly simultaneously, the flushing tissue of avoiding burning.This utility model is better than common flushing healing effect simultaneously, and shortens healing time 5-7 days.

Four, description of drawings:

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

Fig. 2 is the cutaway view of ultrasonic nozzle 7 among Fig. 1;

Fig. 3 is the schematic block circuit diagram of ultrasonic power 12 in this utility model;

Fig. 4 is the electronic circuitry of ultrasonic power 12 in this utility model.

Five, the specific embodiment:

Please see Figure 1, Fig. 2, this utility model is mainly by power supply cabinet 1, time indication 2, power indication 3, water pipe head 4, water power multiple tube 6, syringe pipe 7, rinse solution bottle 8, water inlet pipe 9, overcoat 10, water inlet pipe 11, ultrasonic power 12, power line 13, fixed plastics 15, clamp nut 16, radiating block 17, transducer 18, horn 19, hollow screw 20 is formed, it is characterized in that: the water inlet pipe 9 of rinse solution bottle 8 lower ends communicates with the water pipe 11 of syringe pipe 7 by water power multiple tube 6, and the power line 13 in the water power multiple tube 6 is connected ultrasonic power 12 and the transducer 18 in the syringe pipe 7.

As shown in Figure 2: syringe pipe 7 is by overcoat 10, water pipe head 4, fixed plastics 15, clamp nut 16, radiating block 17, transducer 18, horn 19, hollow screw 20 is formed, wherein hollow screw 20 1 ends in the overcoat 10 connect water inlet pipe 11 by water pipe head 4, the other end of hollow screw 20 stretches in the through hole of horn 19, stretch out outside the overcoat 10 other end of horn 19, central authorities in hollow screw 20 are installed with transducer 18 and radiating block 17, transducer 18 and radiating block 17 are fixed by clamp nut 16 and the horn 19 that both sides are solidly set on the hollow screw 20, also are installed with fixed plastics 15 at the water inlet end of hollow screw 20.

As shown in Figure 3: ultrasonic power 12 is by single-chip microcomputer, numerically-controlled oscillator, power amplification circuit, the impedance matching network circuit, memory, the current feedback lattice network is formed, wherein transmit signal between single-chip microcomputer and the numerically-controlled oscillator, the outfan of numerically-controlled oscillator connects the input of power amplification circuit, the outfan of power amplification circuit connects the input of impedance matching network circuit, the outfan of impedance matching circuit connects ultrasonic load, ultrasonic load feeds back signal to the current feedback lattice network, the current feedback lattice network feeds back signal to single-chip microcomputer, transmits signal between single-chip microcomputer and the memory.The impedance matching network circuit mainly is made of R22～R57, and the current feedback lattice network mainly is made of 74LS373,4511, NUM1～NUM6, and power amplification circuit mainly is made of audion Q1, Q2.

As can be seen from Figure 4: single-chip microcomputer adopts 80C51, numerically-controlled oscillator adopts AD9832, memory adopts 24C08, the back FSYNC foot that connects numerically-controlled oscillator AD9832 from foot P2.7 of single-chip microcomputer 80C51 wherein, the TXD of single-chip microcomputer 80C51, RXD foot connect SCLK, the SCATA foot of numerically-controlled oscillator AD9832 respectively, and the P2.5 of single-chip microcomputer 80C51, P2.6 foot are connected with SCL, the SOA foot of memory 24C08 respectively.

As can be seen from Figure 2: the overcoat 10 of syringe pipe 7 is the arrow shaped structure, has jet apertures in the horn 19 front end ports of stretching out overcoat 10.

From Fig. 1 also as can be known: ultrasonic power 12 is positioned at power supply cabinet 1, and the front panel of power supply cabinet 1 is provided with time indication 2 and power indication 3, and water pipe 9 passes power supply cabinet 1 and connects water power multiple tube 6 by water pipe head.

From Fig. 1, Fig. 2 also as can be known: ultrasonic power 12 is connected with the electrode of transducer 18 by power line 13, and ground wire links to each other with overcoat 10.

Operation principle of the present utility model is: after starting the on and off switch of power supply cabinet 1, because the action of gravity flushing liquor enters water inlet pipe 9 from solution bottle 8, enter water power multiple tube 6 by the water pipe head in the power supply cabinet 1 again, enter the water inlet pipe 11 in the syringe pipe 7 at last, flushing liquor enters horn 19 through hollow screw 20 after entering water inlet pipe 11, final rinse solution flows out from horn 19 front end ports, in the flushing liquor process of flowing, 12 pairs of transducers 18 of ultrasonic power play certain control action, in ultrasonic power 12, will there be related parameter to deposit among the memorizer 24C08 behind the system initialization, single-chip microcomputer 80C51 reads in data during work from memorizer 24C08, single-chip microcomputer 80C51 produces these data sinusoidal wave with serial signal input digit control generator AD9832, the driving power amplifying circuit carries out power amplification, then the transducer 18 that directly drives in the ultrasound wave flushing mobile phone through impedance matching network is worked, frequency when power is maximum is a resonant frequency, the load impedance variation can cause that resonant frequency changes in work process, thereby cause that electric current changes, through feed-in single-chip microcomputer 80C51 behind the current feedback lattice network, by single-chip microcomputer 80C51 according to feed-in data identification impedance variation, and then adjust frequency, make the load of ultrasonic power 12 be in resonant condition, also just make transformation efficiency the highest.

Claims

1, a kind of ultrasonic Wound treating instrument, comprise rinse solution bottle (8), water inlet pipe (9), it is characterized in that: the water inlet pipe (9) of rinse solution bottle (8) lower end communicates with the water pipe (11) of syringe pipe (7) by water power multiple tube (6), and the power line (13) in the water power multiple tube (6) is connected ultrasonic power (12) and the transducer (18) in the syringe pipe (7).

2, ultrasonic Wound treating instrument according to claim 1, it is characterized in that: syringe pipe (7) is by overcoat (10), water pipe head (4), fixed plastics (15), clamp nut (16), radiating block (17), transducer (18), horn (19), hollow screw (20) is formed, wherein hollow screw (20) one ends in the overcoat (10) connect water inlet pipe (11) by water pipe head (4), the other end of hollow screw (20) stretches in the through hole of horn (19), stretch out outside the overcoat (10) other end of horn (19), central authorities in hollow screw (20) are installed with transducer (18) and radiating block (17), transducer (18) and radiating block (17) are fixed by clamp nut (16) and the horn (19) that both sides are solidly set on the hollow screw (20), also are installed with fixed plastics (15) at the water inlet end of hollow screw (20).

3, ultrasonic Wound treating instrument according to claim 1, it is characterized in that: ultrasonic power (12) is by single-chip microcomputer, numerically-controlled oscillator, power amplification circuit, the impedance matching network circuit, memory, the current feedback lattice network is formed, wherein transmit signal between single-chip microcomputer and the numerically-controlled oscillator, the outfan of numerically-controlled oscillator connects the input of power amplification circuit, the outfan of power amplification circuit connects the input of impedance matching network circuit, the outfan of impedance matching circuit connects ultrasonic load, ultrasonic load feeds back signal to the current feedback lattice network, the current feedback lattice network feeds back signal to single-chip microcomputer, transmits signal between single-chip microcomputer and the memory.

4, ultrasonic Wound treating instrument according to claim 3, it is characterized in that: single-chip microcomputer adopts 80C51, numerically-controlled oscillator adopts AD9832, memory adopts 24C08, the back FSYNC foot that connects numerically-controlled oscillator AD9832 from foot P2.7 of single-chip microcomputer 80C51 wherein, the TXD of single-chip microcomputer 80C51, RXD foot connect SCLK, the SCATA foot of numerically-controlled oscillator AD9832 respectively, and the P2.5 of single-chip microcomputer 80C51, P2.6 foot are connected with SCL, the SOA foot of memory 24C08 respectively.

5, ultrasonic Wound treating instrument according to claim 1 and 2 is characterized in that: the overcoat (10) of syringe pipe (7) is the arrow shaped structure, has jet apertures in the horn of stretching out overcoat (10) (19) front end port.

6, according to claim 1 or 3 described ultrasonic Wound treating instrument, it is characterized in that: ultrasonic power (12) is positioned at power supply cabinet (1), the front panel of power supply cabinet (1) is provided with time indication (2) and power indication (3), and water pipe (9) passes power supply cabinet (1) and connects water power multiple tube (6) by water pipe head.

7, according to claim 1 or 3 described ultrasonic Wound treating instrument, it is characterized in that: ultrasonic power (12) is connected with the electrode of transducer (18) by power line (13), and ground wire links to each other with overcoat (10).