"Functional Concept"^^ . "Testing the device's ability to recover its size and shape after being deformed during the test.FDA" . . "C2984651"^^ . "Device Elasticity Testing Evaluation Method"^^ . "Device Elasticity Testing Evaluation Method"^^ . "C91918"^^ . "Device Elasticity Testing Evaluation MethodPTNCI" . . "FDA"^^ . . . "ELASTICITY TESTINGPTFDA3283" .