Patent ID: 11944832
Assignee: SYNERGIA MEDICAL
Field: Medical technology (Instruments)
Classification: CPC A  H | IPC A  H

Claim 6:
7. The AIMD according to claim 2, wherein a communication unit for sending data between the encapsulation unit and the tissue coupling unit, wherein the communication unit comprises,
at least one of a photodetector (63p) or a communication light source (63Lc) coupled to the electrical circuit (62) of the tissue coupling unit,
at least one of a photodetector (53p) or a communication light source (53Lc) coupled to the implanted controller (54) enclosed in the encapsulation unit, and
one or two communication optical fibres arranged as follows, either
a single communication optical fibre (41c) different from the stimulation optical fibre (41s) and preferably comprised in the implanted energy transfer unit (40), the single communication optical fibre comprising a proximal end coupled to the encapsulation unit in optical communication with at least one of the photodetector (53p) or with the communication light source (53Lc) enclosed in the encapsulation unit, and a distal end coupled to the tissue coupling unit in optical communication with at least one of the communication light source (63Lc) or with the photodetector (63p) of the tissue coupling unit, respectively, or two communication optical fibres, comprising
a first communication optical fibre different from the stimulation optical fibre (41s) and preferably comprised in the implanted energy transfer unit (40), comprising a proximal end coupled to the encapsulation unit in optical communication with the photodetector (53p) enclosed in the encapsulation unit, and a distal end coupled to the tissue coupling unit in optical communication with the communication light source (63Lc) of the tissue coupling unit, and, a second communication optical fibre different from both stimulation optical fibre (41s) and first communication optical fibre, and located in the implanted energy transfer unit (40), comprising a proximal end coupled to the encapsulation unit in optical communication with the communication light source (53Lc) enclosed in the encapsulation unit, and a distal end coupled to the tissue coupling unit in optical communication with the photodetector (63p) of the tissue coupling unit wherein the regulation unit either,
is fully integrated in the implanted controller (54) and is configured for determining,
the values of at least one of the voltage (u) or
the intensity (I) of the electrical pulses delivered to the electrodes measured by the sensing unit, the optimal values of Us and Pp for reaching the target intensity (It), and
wherein the regulation unit is configured for determining the optimized values of Us or Up, as follows,

for a given value of the optical power (Popt), determining or measuring a target voltage (ut) corresponding to the target intensity (It) when the AIMD is implanted with the tissue coupling unit (60) coupled to a tissue,
determining an optimal value of Us or Up yielding a maximum voltage (um1, um2, um4) which is larger than, and the closest to the value of the target voltage (ut),
adjusting the power (Popt) of the optical energy pulses to an optimal optical power (Popt1, Popt2, Popt4) required to reach the target intensity (It) with the optimal value of Us or Up,
the optimal optical power (Popt), comprises a coupling portion belonging to the electrical circuit (62) of the tissue coupling unit (60) and is configured for determining,
the values of the voltage (u) and/or the intensity (I) of the electrical pulses delivered to the electrodes measured by the sensing unit,
the optimal value of Us or Up and the optimal optical power (Popt) of the optical energy pulse for reaching the target intensity (It), and

comprises an encapsulated portion belonging to the implanted controller (54) in the encapsulation unit (50) and is configured for determining,
the optimal number (m) of apertures that are addressed at a time such as to minimize the battery power (Pbat) to generate the optimal optical power (Popt) for generating the optical energy pulse of the optimal optical power (Popt).