Bio-Research Associates, Inc. Amplifier USB-231 BioJVA

Indications for use: 2 channel JVA amplifier1. To record and display sounds/vibrations from the temporomandibular joints.2. To aid the clinician in their analysis of a joint sound/vibration by allowing them to see the waveform in various standard plots.3. To aid the clinician in comparing a patient's current stand plots to previous recordings before, during, and after treatment.4. To provide numerical values that can be used to quantify the physical characteristics of the sounds/vibrations, allowing intra-patient comparisons (only) by the clinician.