Reusable Surgical
Reusable Surgical Handpiece
A reusable handpiece must survive repeated steam autoclave cycles without losing strength, color, or dimensional control. The dominant requirement is a heat-deflection temperature comfortably above the 134 °C autoclave setpoint, plus hydrolysis resistance over hundreds of cycles.
Sterilization: Steam AutoclaveVaporized Hydrogen PeroxideEthylene Oxide
Component material package
A recommended grade per component, drawn from the Nexeo catalog. Recommendations are engineering assessments; a cited property links the choice to data we hold for that grade.
| Component | Recommended grade | Why |
|---|---|---|
Main body / shell Repeatedly autoclaved structural body | Radel R-5500 PPSU Polyphenylsulfone (PPSU) | PPSU is a benchmark for repeat-autoclave hydrolytic stability and holds strength through hundreds of steam cycles. Cited: HDT (1.82 MPa) |
Internal frame Load-bearing internal structure | Udel P-1700 PSU Polysulfone (PSU) | PSU offers autoclave stability at lower cost than PPSU for internal, lower-impact structure. Cited: HDT (1.82 MPa) |
Seal / grommet Autoclavable elastomeric seal | Santoprene 281-73MED Thermoplastic Vulcanizate (TPV) | A TPV holds up to repeated steam exposure better than most TPEs, suiting reusable seals. |
Producer datasheetNexeo Applications Engineering assessmentAwaiting datasheetNot published by producer
Key regulatory requirements
- ISO 17665 moist-heat sterilization validation
- ISO 10993-1 (surface/limited contact)
- Reprocessing/labeling per IFU cycle count
Engineering watch-outs
- Autoclave compatibility is a HDT-under-load question — a grade below ~134 °C HDT cannot claim steam.
- Repeated hydrolysis, not a single cycle, is the real test; validate at end-of-life cycle count.
- TPV seals have a finite reprocessing life shorter than the rigid body — spec a replacement interval.
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