Rencheng Repair Case: Abnormal Image from Probe L742

Release time:

2025-03-12 09:36

Machine Type：Open probe

Machine Model：L742

1. Malfunction Phenomenon

Abnormal image, no display.

$20220425\eef3ffbdf066b92c4dd50b004f678340.png$

2. Fault Detection

After inspection, circuit failure was found, the sound head matching layer was raised, multiple array elements were missing, the sound head was damaged, and the casing was broken.

3. Fault Handling

Overhaul. Replace the sound head, repair the circuit, and replace the casing.

4.Post-Repair Effect

$20220425\2450f22a201443ee775a3a162de06336.png$

5.Probe Maintenance and Care

(1) Handle with care

The ultrasonic probe must be handled with care during use to avoid impact damage to the internal chips. When the probe is not in use, the probe connecting wires should not be bent or tangled.

(2)Probe Plugging and Unplugging

In daily applications, when changing the ultrasonic probe, the host power must be turned off. If the host is not powered off and not frozen, directly plugging and unplugging the probe may cause damage to the internal circuit board and crystals due to the instantaneous high current. It will also accelerate the oxidation of the probe plug pins, directly affecting the normal use of the probe.

(3)Probe Cleaning and Disinfection

Avoid contact between the probe socket and disinfectant. If the probe socket is contaminated with cleaning agents and disinfectants, it will directly corrode and accelerate the oxidation of the probe socket pins. In short, in the actual maintenance process of medical equipment, maintenance is an important task because the effective accuracy of the ultrasonic probe directly affects the efficiency of ultrasonic examination. Routine maintenance should be carried out regularly to reduce damage caused by human factors and extend the service life of the ultrasonic probe.

This information belongs to Rencheng Medical, please indicate the source when reprinting.

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