Patent ID: 11883288
Assignee: EDWARDS LIFESCIENCES CORPORATION
Field: Medical technology (Instruments)
Classification: CPC A | IPC A

Claim 0:
1. An expandable sheath for delivering a prosthetic device, the expandable sheath comprising:
a first layer comprising:
a first longitudinally extending spine extending parallel to a longitudinal axis of the sheath, and
a first plurality of curved arms attached to and extending away from the first longitudinally extending spine and around the longitudinal axis in a circumferential direction, and

a second layer positioned around the first layer, the second layer comprising;
a second longitudinal axis extending between a proximal end of the first layer and a distal end of the second layer,
a second longitudinally extending spine extending parallel to the longitudinal axis of the sheath, and
a second plurality of curved arms attached to and extending away from the second longitudinally extending spine and around the longitudinal axis, the second plurality of curved arms at least partially overlaying the first plurality of curved arms,

wherein longitudinal motion is restricted between the first layer and the second layer, and
wherein the second plurality of curved arms are configured to slide circumferentially along the first plurality of curved arms.