Patent ID: 9675485
Date: 2017-06-13
CPC Classifications: A61B,A61F

Claim:
1. A delivery catheter for delivery of a valve stent, comprising: a proximal end comprising a handle portion; an actuator comprising a threaded element fitting within the handle portion and a manual rotary control fitting outside the handle portion, the threaded element and the rotary control being rotatable together around a longitudinal axis of the catheter for rotating the threaded element within the handle portion when the rotary control is turned; a distal end including a stent attachment region adapted to receive a self-expanding stent; at least one sheath configured to at least partially circumferentially cover said stent such as to retain said stent in a collapsed configuration, said sheath being coupled at its proximal end to the actuator such as to be moved along said stent; a pin fixed to the handle portion; wherein: the threaded element engages the pin such that rotary movement of the threaded element within the handle portion generates axial movement of the threaded element with respect to the handle portion, the axial movement being transmitted to the sheath and to the rotary control such that the rotary control translates axially as it is turned, and the rotary control includes an elongate generally cylindrical outer shape and overlaps at least partly a proximal region of the handle portion, said region bearing an indicator which is progressively exposed or covered according to the linear position of the rotary control and is configured to indicate an extent of displacement of the sheath at the distal end.