Rencheng Repair Case: Toshiba Cavity Probe PVT-661VT Image Shows Dark Channels

Release time:

2025-03-12 09:38

Machine Type:Toshiba transducer

Machine Model: PVT-661VT

1. Malfunction

Image has dark channels

2. Fault Detection

（1）Observe the exteriorCheck for damage。Cable,Damaged casing。

(2) On-machine inspection. The transducer capacitor was found to be weak, and the transducer was damaged.

3. Fault Determination and Analysis

Long-term useTransducer wear, resulting in dark channels in the image. Replacement is recommended.Damaged cable and casing require replacement.

4. Troubleshooting

Overhaul. Replace the transducer, cable, and casing. The image is normal after testing on the machine.

5. Post-repair effect

6. Transducer Maintenance Tips

(1) Handle with care

Ultrasonic transducers must be handled with care during use to avoid impacts that could damage the internal chips. When the probe is not in use, the probe connecting wires should not be bent or knotted.

(2) Probe Plugging and Unplugging

When replacing ultrasonic transducers in daily applications, always turn off the host power. 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 a momentary surge of current. It will also accelerate the oxidation of the probe connector pins, directly affecting the normal use of the probe.

(3) Probe Cleaning and Disinfection

Avoid contact between the probe socket and disinfectants. 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, the maintenance and upkeep of ultrasonic transducers are important tasks in the actual maintenance process of medical equipment, because the effective accuracy of ultrasonic transducers directly affects the efficiency of ultrasonic examinations. Regular maintenance should be carried out to reduce damage caused by human factors and extend the service life of ultrasonic transducers.

This information belongs to Rencheng Medical. Please indicate the source when reprinting.。

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