Abstract:
An implantable miniature eyelid electrode apparatus (2) that causes a paralyzed eyelid (9) to close or open by passing an electrical stimulating current to a nerve or muscle, is comprised of a longtudinally flexible, nonconductive body containing electrodes that pass an electrical signal to the nearby nerve or muscle, which closes or opens the eyelid.
Abstract:
The invention is a method of bonding a ceramic part (6) to a metal part (4) by heating a component assembly (2) comprised of the metal part (4), the ceramic part (6), and a very thin essentially pure interlayer material (8) of a compatible interlayer material (8) placed between the two parts and heated at a temperature that is greater than the temperature of the eutectic formed between the metal part (4) and the metal interlayer material, but that is less than the melting point of either the interlayer material, the ceramic part (6) or the metal part (4). The component assembly (2) is held in intimate contact at temperature in a non-reactive atmosphere for a sufficient time to develop a homogeneous and strong bond between the ceramic part (6) and the metal part (4). The bonded component assembly (2) is optionally treated with acid to remove any residual free nickel and nickel salts, to assure a biocompatible component assembly (2) for implantation in living tissue.
Abstract:
The invention discloses methods of making electrical connections in living tissue between an electrically conductive wire and an implantable miniature device. The device may either stimulate muscles or nerves in the body or detect signals and transmit these signals outside the body or transmit the signals for use at another location within the body. The device is comprised of an electrically insulating or electrically conductive case with at least one electrode for transmitting electrical signals. The electrodes and the wire-electrode connections are protected from the aggressive environment within the body to avoid corrosion of the electrode and to avoid damage to the living tissue surrounding the device.