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Incorrect Expiration Date: Three lots of the FrostByte (TM) clamp packaged with SurgiFrost 7 cm cryosurgical probes have incorrect expiration dates. These lots are labeled with a two (2) year expiratation date while the correct date is one (1) year.
Potential for patient waveforms to move to an open receiver module or to an occupied receiver causing the intermittent inappropriate monitoring of both patients for several minutes.
The device has an actual sensitivity of 58.2% and a specificity of 3.9% (false positives per image). The product is approved to have a sensitivity of 63.3% and a specificity of 5.0. Thus, there is a difference of -5.1% in sensitivity and +1.1 in specificity.