4 results about "Implantable Catheters" patented technology

A crimp tool facilitates crimping a resiliently radially compressible human-implantable catheter pump, and transferring the crimped pump into a tubular transfer sheath, by pulling the heart pump through an elongated tube that defines a tapered longitudinal bore. The bore has an inside dimension that tapers gradually along the length of the bore. A large end of the bore is sufficient to accept an uncrimped heart pump. A small end of the bore has a dimension similar to an inside dimension of the transfer sheath. A proximal end of the tube has a hub. A proximal end of a bore through the hub is configured to receive a distal end portion of the transfer sheath coaxially with the tube bore. Optionally, a latch is configured to releasably restrain the distal end portion of the transfer sheath within the hub.

A crimping tool facilitates the crimping of a radially compressible, elastic human implantable catheter pump and the transfer of the crimped pump to a tubular transfer sheath by pulling the cardiac pump through an elongated tube that defines a tapered longitudinal bore. The bore has an internal dimension that gradually narrows along its length. A wide end of the bore is sufficient to accommodate an uncrimped cardiac pump. A narrow end of the bore has a dimension similar to the internal dimension of the transfer sheath. A connector is located at the proximal end of the tube. The proximal end of the bore, passing through the connector, is configured to receive the distal portion of the transfer sheath coaxially with the tube bore. Optionally, a latch is configured to releasably secure the distal portion of the transfer sheath within the connector.

To provide a catheter to be embedded in a cochlea and a cell transmission device.SOLUTION: A catheter to be embedded in a cochlea includes an embedded catheter body. Both ends of the embedded catheter body facing each other define a proximal end and a guide distal end. A central lumen is provided in the center of the embedded catheter body. An outer surface of the embedded catheter body is provided with at least one guide groove extending along a longitudinal direction of the embedded catheter body, and a plurality of horizontally oriented through holes penetrating the central lumen from the outer surface of the embedded catheter body. The embedded catheter body is configured to enter a cochlea of an internal ear of a patient and is bent along rotation of the cochlea of the patient, and a cell or a medicine as a treatment medicine passes the central lumen and the plurality of horizontally oriented through holes and enters the inside of the cochlea of the patient.SELECTED DRAWING: Figure 1