Envoy Medical Corporation

Daniel E Glumac

Peter J Schiller

Methods and devices for measuring vibration of an implanted driven vibrating elongate body coupled to a bone of the middle ear, for example using an accelerometer coupled to the vibrating body. The measured vibration can be taken during implantation and long again after implantation to check for possible decoupling, disease, or additionally impeded vibratory driving of the middle ear bone. An accelerometer signal can be converted to a displacement value and used to check for an under impeded or over impeded vibratory body. An implanted device can be used to periodically check the vibration of the vibratory body. Methods and devices can be used in conjunction with implanted devices which receive vibratory signals from a middle ear bone and use the signals to drive a disarticulated middle ear bone closer to the ear drum.

Implantable middle ear transducer having diagnostic detection sensor

Methods, devices, and systems for measuring vibration of an implanted elongate vibrating body coupled to a bone of the middle ear. One system includes an elongate vibratory body having a first and second piezoelectric body separated by a central vane. The piezoelectric bodies and central vane can be individually electrically coupleable to an implantable electronic device. The electronic device can have a switch, driving circuitry and sensing circuitry within. In normal use, the driving circuitry is coupled through the switch to drive both piezoelectric bodies causing the vibratory body to vibrate. In diagnostic use, one piezoelectric body is driven while the other piezoelectric body is sensed to detect changes in vibration indicative of decoupling or undesirable impedance of the vibratory body.

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Lino Lakes, MN, United States of America

Daniel E Glumac