1
Joachim Baumann, Hans Leysieffer, Guenter Hortmann: Charging system for implantable hearing aids and tinnitus maskers. Implex, Sixbey Friedman Leedom & Ferguson, January 18, 1994: US05279292 (248 worldwide citation)

Charging system for implantable hearing aids and tinnitus maskers with a repeatedly rechargeable direct voltage source. The charging system comprises an implantable receiving resonant circuit as the electrical energy source for the direct voltage source to be charged and a transmitting resonant circ ...


2
Hans Leysieffer, Guenter Hortmann, Joachim Baumann: Electromechanical transducer for implantable hearing aids. Implex, Sixbey Friedman Leedom & Ferguson, January 11, 1994: US05277694 (171 worldwide citation)

Electromechanical transducer for implantable hearing aids. The transducer has a hermetically sealed and biocompatible housing, in which a wall is designed as a membrane that can oscillate, and which forms a heteromorphic connecting element together with a piezoelectric ceramic disk. Mechanical oscil ...


3
Hans Leysieffer, Rolf Lehner: Device for positioning and fixing of therapeutic, surgical, or diagnostic instruments. IMPLEX Spezialhorgerate, David S Safran, Sixbey Friedman Leedom & Ferguson, July 7, 1998: US05776144 (157 worldwide citation)

Temporarily fixable positioning system (1) for secure, play-free fastening to the human body, preferably to the human skull has a base (4), a clampable ball-and-socket joint (3), a linear axis mechanism (2) fixed securely to it and a carriage (6) guided along the linear axis mechanism for receiving ...


4
Gerd Muller, Hans Leysieffer: Implantable microphone and implantable hearing aids utilizing same. Implex Spezialhorgerate, David S Safran, Sixbey Friedman Leedom & Ferguson, September 29, 1998: US05814095 (150 worldwide citation)

Implantable microphone for implantable hearing aids, which is used for excitation of hearing, such as cochlear implants or hearing aids with mechanical stimulation of the middle or inner ear, with a microphone capsule which is accommodated in a hermetically sealed housing, and with an electrical lea ...


5
Hans Leysieffer, G√ľnter Rinser: Partially or fully implantable hearing system. Cochlear, David S Safran, Nixon Peabody, March 25, 2003: US06537200 (141 worldwide citation)

The invention relates to a partially or fully implantable hearing system which is provided with a unit (


6
Hans Leysieffer, Bernd Waldmann: At least partially implantable system for rehabilitation of a hearing disorder. Cochlear, David S Safran, Nixon Peabody, June 10, 2003: US06575894 (128 worldwide citation)

An at least partially implantable system for rehabilitation of a hearing disorder with at least one sensor for picking up an acoustic signal and converting the acoustic signal into corresponding electrical signals, an electronic signal processing unit for audio signal processing and amplification, a ...


7
Hans Leysieffer, Hans Peter Zenner, Joachim W Baumann: At least partially implantable system for rehabilitation of hearing disorder. Cochlear, David S Safran, Nixon Peabody, May 20, 2003: US06565503 (116 worldwide citation)

An at least partially implantable system for rehabilitation of a hearing disorder with at least one acoustic sensor (microphone) for picking up an acoustic sensor signal and converting the acoustic sensor signal into corresponding electrical signals, an electronic signal processing unit for audio si ...


8
Hans Leysieffer: At least partially implantable system for rehabilitation of a hearing disorder. Cochlear, David S Safran, Nixon Peabody, February 24, 2004: US06697674 (98 worldwide citation)

An at least partially implantable system for rehabilitation of a hearing disorder which has at least one sensor (microphone) for picking up an acoustic signal and converting it into corresponding electrical signals, an electronic signal processing unit for audio signal processing and amplification, ...


9
Gunter Hortmann, Hans Leysieffer: Implantable hearing aid. Implex Spezialhorgerate, David S Safran, Sixbey Friedman Leedom & Ferguson, May 2, 1995: US05411467 (98 worldwide citation)

Implantable hearing aid for stimulation of the inner ear with a hydromechanical coupling element having an input side connected to an electromechanical converter for transmission to the inner ear of the mechanical vibrations generated by the converter.


10
Hans Leysieffer: Implantable system for rehabilitation of a hearing disorder. IMPLEX Aktiengesellschaft Hearing Technology, David S Safran, Nixon Peabody, March 6, 2001: US06198971 (84 worldwide citation)

An at least partially implantable system for rehabilitation of a hearing disorder with an arrangement for processing and/or generation of signals is provided including an implantable processor arrangement with control logic which operates according to an operating program and an implantable storage ...



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