The precise design concept linked with traditional craft art makes this stethoscope to your exclusive masterpiece. The combination of the patented ERKA. dual-membrane and optimal sound chamber ...

"I'm a registered nurse, and I thought there could be a simple sterile accessory for use with stethoscopes," said an inventor ...

With the ERKA. Precise, ERKA has redefined the term high-end stethoscope. The open bell side allows the physician to determine the lower frequencies.The membrane side is equipped with the ERKA.