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Medical ultrasonic physiotherapy instrument ultrasonic emission instrument

A technology of ultrasonic emission and physiotherapy instrument, applied in ultrasonic therapy, treatment, emergency protection device with automatic disconnection, etc., can solve the problems of probe heating, large loss of transducer chip, etc. Energy saving effect

Active Publication Date: 2015-06-17
深圳市施全医疗科技有限公司
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AI Technical Summary

Problems solved by technology

[0002] When the ultrasonic transmitting probe of the medical ultrasonic physiotherapy instrument is not in close contact with the human skin or leaves the human body, the circuit is in an unloaded state, and the loss of the transducer chip increases, causing the probe to heat up. The existing medical safety standards are to prevent overheating from causing the patient to overheat. Discomfort has strict limits on overheating

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  • Medical ultrasonic physiotherapy instrument ultrasonic emission instrument
  • Medical ultrasonic physiotherapy instrument ultrasonic emission instrument

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Embodiment Construction

[0013] refer to figure 1 , a medical ultrasonic physiotherapy instrument ultrasonic emitter, comprising an ultrasonic emitter 1 and an ultrasonic emitting head 2 connected to its rear end, a detection transformer 3 is connected in series between the ultrasonic emitter 1 and the ultrasonic emitting head 2, and the ultrasonic The sound emitting head 2 is connected with a temperature sensor 5 that senses its temperature change. The front end of the ultrasonic transmitter 1 is connected in series with an MCU control part 6 that controls its operation. The detection transformer 3 and the temperature sensor 5 are respectively passed through a feedback circuit. It is connected with the MCU control part 6. An LED indicator light 4 is connected in series between the detection transformer 3 and the ultrasonic emission head 2; the detection transformer 3 includes a current transformer 31 and a voltage transformer 32 connected in series, wherein the current transformer 31 and the volt...

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Abstract

The invention discloses a medical ultrasonic physiotherapy instrument ultrasonic emission instrument and a no-load protection method thereof. The medical ultrasonic physiotherapy instrument ultrasonic emission instrument comprises an ultrasonic emission device and an ultrasonic emission sound head connected with the back end of the ultrasonic emission device, wherein a detection transformer is connected in series between the ultrasonic emission device and the ultrasonic emission sound head; a temperature sensor for inducing the temperature variation of the ultrasonic emission sound head is connected to the ultrasonic emission sound head; the front end of the ultrasonic emission device is connected in series with an MCU (Multipoint Control Unit) control part for controlling the running of the ultrasonic emission device, and the detection transformer and the temperature sensor are respectively connected with the MCU control part through a feedback circuit. According to the no-load protection method, the phases and amplitudes of the voltage and the current of the drive signal of the ultrasonic emission sound head are detected by utilizing a current transformer and a voltage transformer; the phases and amplitudes of the voltage and the current drive signal of the ultrasonic emission sound head are compared by the MCU control part after digital sampling is carried out by an analog-to-digital converter, whether a probe is in no-load or not is judged through comparison, and an ultrasonic signal generation circuit is closed by the MCU control part according to a command when the probe is in no-load.

Description

technical field [0001] The invention relates to the field of medical ultrasonic emission, in particular to an ultrasonic emission device for a medical ultrasonic physiotherapy apparatus. Background technique [0002] When the ultrasonic transmitting probe of the medical ultrasonic physiotherapy instrument is not in close contact with the human skin or leaves the human body, the circuit is in an unloaded state, and the loss of the transducer chip increases, causing the probe to heat up. The existing medical safety standards are to prevent overheating from causing the patient to overheat. Discomfort has strict limits on overheating. Contents of the invention [0003] In order to overcome the deficiencies of the prior art, the present invention provides an ultrasonic emitter for a medical ultrasonic physiotherapy apparatus. [0004] The technical solution adopted by the present invention to solve its technical problems is: [0005] The medical ultrasonic physiotherapy...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A61N7/02H02H3/00
Inventor 全宏岳岳国宾黄宏辉李天宝
Owner 深圳市施全医疗科技有限公司
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