A delivery sheath comprises inter-connected fingers extending around a cylindrical inner lumen and forming one or more gaps. The inter-connected fingers may be configured to assume a default form in which the inner lumen has a first width, bend in response to an implant passing through the inner lumen to cause at least a portion of the inner lumen to increase beyond the first width, and/or elastically return to the default form following removal of the implant from the inner lumen.