US Patent 11903814 Delivery sleeve

A delivery sleeve for assisting delivery of a tissue implant may include an enclosure an orifice, and a throat. A cinching mechanism, which may include a fastener, may be disposed about the throat. The fastener may be used to fasten the cinching mechanism in a cinched configuration to maintain the throat in a closed configuration. The cinching mechanism may include implant-size indicators thereon. A lubricant or lubricious material may be included upon an inner surface of the enclosure. The cinching mechanism may be used to change the configuration of the throat from an open configuration to a closed configuration. The fastener helps maintain the throat in a closed configuration.