10 Ways We Prove Your Device Actually Works

A device that passes every material and biocompatibility check can still fail the moment it’s actually used.

Functional and Performance Testing for medical device programs is the checkpoint that answers a question no chemistry report can: does the device do what it’s meant to do, reliably, under the forces and cycles it will actually see in a hospital, a clinic, or a patient’s home. Our Functional and Performance Testing for medical device service at the Oragadam laboratory covers ten checkpoints across mechanical function, connection integrity, and repeated-use durability, referenced to ISO 10993-7:2026 alongside the device-specific ISO and ASTM standards each checkpoint depends on.

Device-specific functional testing is where every study starts — the checkpoint built around the exact standard your device category calls for, whether that’s a syringe, a catheter, an infusion set, or a surgical instrument, so the study answers the question a reviewer will actually ask rather than a generic one. Connection strength testing for medical device luer fittings, tubing sets, and hub interfaces confirms a connection stays sealed under the pull and torque forces it will meet in real use; a connection that separates mid-procedure is not a packaging defect, it’s a functional failure, and it gets caught here. Burst testing pressurizes bags, tubing, and sealed assemblies past their rated limit to confirm the margin between normal use and failure is real, not assumed. Flow rate testing verifies that infusion sets, catheters, and fluid-path devices deliver within their labelled tolerance, because a flow rate that drifts outside spec is a dosing problem before it’s anything else.

This checkpoint measures the rotational force a connector, cap, or fitting can withstand before it slips or fails, and it runs as three separate checks across most device families — assembly torque, in-use torque, and post-cycling torque — because a fitting that holds on day one can still loosen after repeated handling. Pull-out force testing quantifies how much axial force it takes to separate a needle, a catheter hub, or a bonded joint, directly informing the safety margin a clinician relies on without thinking about it. Activation force testing covers auto-injectors, safety needles, and spring-loaded mechanisms, confirming the force needed to activate the device sits inside the range a real patient or clinician can reliably apply.

Repeated-use cycles testing simulates the full lifecycle a reusable device is rated for — hundreds or thousands of open-close, insert-withdraw, or actuate cycles — to confirm performance doesn’t degrade before the labelled reuse count is reached. Fatigue and device-specific functional testing closes the loop: fatigue testing applies cyclic mechanical stress to detect crack initiation or fracture long before it would show up in the field, while the device-specific check confirms the whole assembly still performs against its original functional spec after that stress. Pressure testing rounds out the programme for pressure-rated components, catheters, and connectors, confirming the device holds its rated pressure without leak or deformation. Manufacturers bring their programs to Kiyo R&D Lab because a single missed checkpoint in Medical Device Testing doesn’t just fail an audit — it fails in someone’s hands. Running all ten checkpoints under one accredited scope at Oragadam, with reports formatted for direct regulatory submission, is what turns a Functional and Performance Testing for medical device study from a compliance formality into evidence your quality team can actually stand behind.

Kiyo R&D Lab – Oragadam

Our functional and performance testing suite is based at No.13, Srinivasa Perumal Street, Panapakkam, Serapanacheri, Greater Chennai, Tamil Nadu 601301.

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