Patent ID: 11864986
Assignee: UROMEDICA, INC.
Field: Medical technology (Instruments)
Classification: CPC A | IPC A

Claim 0:
1. An implantable device configured to be positioned in tissue of a living body using a push wire for coaptation of a body lumen of the living body, the implantable device comprising:
an adjustable membrane element including a continuous wall having an inner surface defining a chamber;
an elongate conduit including a conduit peripheral surface, a conduit rear end, a conduit front end, and a push wire lumen, the conduit peripheral surface connected to and sealed to the adjustable membrane element at or near the conduit front end, the push wire lumen extending longitudinally in the conduit and having an inlet to receive a portion of the push wire and a diameter suitable for accommodating the received portion of the push wire; and
a fixation mechanism configured to anchor the implantable device to the tissue and to be operated using longitudinal movements of the push wire, the fixation mechanism including:
a spring including a spring front end and a spring rear end, the spring rear end coupled to the conduit front end, the spring configured to be extended to engage a portion of the tissue using a forward longitudinal movement of the push wire resulting from pushing the push wire toward the conduit front end and to contract to trap the engaged portion of the tissue using a reverse longitudinal movement of the push wire resulting from pulling the push wire in a direction opposite to a direction of the forward longitudinal movement, the spring including multiple coils with space between the coils to maintain viability of the portion of the tissue trapped in the spring; and
a device tip coupled to the spring front end to be pushed by the push wire during the forward longitudinal movement of the push wire,

wherein the implantable device is configured for implantation within the tissue with the adjustable membrane element adjacent the body lumen to provide volume to the tissue for adjustable coaptation to the body lumen.