Surgery – Truss – Pad
Patent
1985-07-23
1986-12-16
Kamm, William E.
Surgery
Truss
Pad
128784, 623 4, A61N 136, A61F 116
Patent
active
046289330
ABSTRACT:
A visual prosthesis for blindness due to retinal malfunction includes a compact device having a close-packed array of photosensitive devices on one surface thereof. A plurality of electrodes extend from the opposed surface of the device and are connected to the outputs of the photosensitive devices. The device is adapted to be inserted in the posterior chamber of the eye, generally disposed at the focal plane of the optical pathway and impinging on the retina. Anchoring means secure the device with the electrodes operatively connected to the neuron array at the surface of the retina to stimulate the neurons in a pattern corresponding to the illumination pattern of the photosensitive array. The device is powered by externally induced electromagnetic or radio frequency energy, and is encased in a biologically inert housing. An amplifier array may be interposed between the sensing elements and the electrodes to amplify, shape, and time-process the visual signals.
REFERENCES:
patent: 2760483 (1956-08-01), Tassicker
patent: 4551149 (1985-11-01), Sciarra
Brueschke et al., "Electromagnetic Power Transfer System" TransAm Soc Artif Intern Organs, vol. 27, 1981, pp. 84-88.
Sherman et al., "Energy Transmission Across Intact Skin for Powering Artificial Internal Organs," TransAm Soc Artif Intern Organs, vol. 27, 1981, pp. 137-141.
Potts, A. M. et al., "The Electrically Evoked Response of the Visual System," Invest. Ophy. (1968) 7:269-278.
Kamm William E.
Shein Mitchell J.
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