Process Validation

A cardiovascular device manufacturer required validated evidence that Incoming Quality Assurance (IQA) operators could reliably distinguish between acceptable and unacceptable CDI (Cardiovascular Device Incorporated) components during incoming inspection. The challenge involved validating visual inspection methods across 118 PIP (Part Inspection Plan) features categorized into 15 distinct inspection categories including adhesive placement, color verification, wire inspection, barcode labels, label printing, presence/absence checks, and surface finish. Critical concerns included ensuring operator repeatability and reproducibility across varying component types, preventing acceptance of defective incoming materials, and maintaining compliance with medical device quality requirements.

A cardiovascular medical device manufacturer required documented evidence that their tumbling/deburring process for machined CDI components would not produce unacceptable product when operated at process extremes. The challenge involved validating multiple equipment platforms (three tumblers and one centrifuge) across varying part geometries, materials (plastic and aluminum alloys), and process parameters including run time, media type, machine agitation, and batch quantities. Critical concerns included preventing under-processing (insufficient burr removal) and over-processing (part damage or dimensional changes).

The existing sterilization oven system at CooperSurgical was outdated and created multiple operational and compliance risks. The legacy Scanlink software was incompatible with modern Windows OS, hardware was limited to 12 thermocouples versus the required 20 for proper temperature mapping, manual data retrieval required cleanroom entry, and temperature overshoot and oscillation were observed (ranging from 134–140°C when setpoint was 133°C). Oven #4 specifically exceeded setpoint by up to 7°C. These issues created sterility assurance risks, process reliability concerns, regulatory exposure, and operational inefficiency. The business required improved monitoring, control logic, and regulatory compliance while enabling continuous 24/7 operation with remote monitoring capabilities.