Medical devices are bombarded with electrical interference within the hospital environment. The explosion of wireless connectivity is one of the biggest contributors to unwanted signal interference. A lesser-known factor is interference caused by the difference in potential between the patient and the medical device.

A medical device company developed a mapping catheter system that improved the diagnosis and treatment of atrial fibrillation, one of the most common heart rhythm disorders in the world. Noise created by the potential difference can interfere with the amplified waveforms obtained when using a mapping catheter for treatment of this disorder. Working with the device company, Bioconnect engineers designed a cable that creates a circuit between the patient and data collection box that dampens or eliminates the unwanted electrical noise. A clearer signal allows the doctor or clinician to better interpret the data being collected from within the patient’s heart during the mapping procedure. •

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