Before writing off a damaged Toshiba PST-20CT, compare its symptoms against the failure modes below. Many lens, cable and connector faults on this probe class are economically repairable.
| Manufacturer | Toshiba |
|---|---|
| Model | PST-20CT |
| Probe type | Phased Array |
| Compatible systems | Toshiba Aplio 50 (SSA-700A), Toshiba Xario (SSA-660A) |
The PST-20CT typically pairs with Toshiba Aplio 50 (SSA-700A), Toshiba Xario (SSA-660A); the same fault can present differently between console revisions, which is why the host system is asked for with the quote details.
Compact phased-array heads such as the PST-20CT are sensitive to element dropout at the sector edges, and round-the-clock cardiac use is hard on cables and strain reliefs.
Common failure modes for the PST-20CT
Match what you are seeing against the table below. The right-hand column reflects how faults of this kind typically assess – the actual verdict always depends on the individual probe.
| What you see | Likely cause | Typically repairable? |
|---|---|---|
| Visible nicks, grooves or staining on the lens surface | Mechanical wear or disinfectant damage to the lens | Usually repairable |
| Cracked or dented housing | Impact damage; housing can usually be replaced or resealed | Usually repairable |
| Latch or locking hardware damaged on the connector shell | Mechanical damage to the connector shell | Usually repairable |
| Image cuts out when the cable is flexed | One or more conductors broken inside the cable bundle | Case by case |
| Strain relief separated, split or stiff | Flex fatigue where the cable meets the probe or connector | Usually repairable |
| Grainy, low-detail image even after presets are checked | Lens wear or early element degradation | Case by case |
| Cable jacket cracked, wrinkled or discolored | Surface jacket wear – the conductors inside are often still good | Usually repairable |
| Sector image narrows or loses the apex | Element failure concentrated at the array edge | Case by case |
Check these before you ship the probe
- Compare penetration and uniformity against a known-good probe on the same preset.
- Examine the connector for bent or corroded pins, cracks and a working locking mechanism.
- Flex the cable gently along its length while imaging – intermittent dropout points to broken conductors.
- Run the system’s built-in probe test or element check if your console provides one.
- Inspect the lens face under good light for cuts, bubbles, lifting edges or discoloration.
Repair, exchange or replace — which applies to your PST-20CT
Repair suits the PST-20CT when damage is mechanical or confined – lens membrane, strain relief, cable jacket, connector hardware. Once element dropout spreads across large sections of the array, repair cost climbs toward replacement value and stops making sense. If uptime is critical, ask about exchange options while your probe is assessed.
What we need to quote your PST-20CT repair
- A clear photo of the complete manufacturer and model label on the probe
- A description of the fault: what you see on screen and when it started
- The ultrasound system (console) the probe is used with
- Screenshots or photos of the image problem, if the fault is visual
- Photos of any physical damage – lens, housing, cable or connector
Product imagery on this page is representative of the PST-20CT probe family and is not a photograph of your specific unit. This page does not claim OEM authorization or universal compatibility. Repair feasibility, turnaround and commercial terms are confirmed in writing after assessment of the actual probe.
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