The present invention relates to a delivery apparatus for delivering a radially self-expanding medical device (2) having a proximal portion and a distal portion, said delivery apparatus comprising an elongated tubular member having a proximal end, a distal end and a lumen (122) extending along a longitudinal axis from the proximal end to the distal end a sheath (11), said sheath (11) being coaxially disposed around the elongated tubular member (12) wherein the elongated tubular member (12) is movable relative to the sheath (11) and wherein the sheath (11) is configured for receiving the radially self-expanding medical device (2) in a radially compressed state and a holding and retrieving mechanism configured to constrain radially the proximal portion of the radially self-expanding medical device (2) such that in response to a proximal movement of the elongated tubular member (12) relative to the sheath (11), the holding and retrieving mechanism (13) constrains radially the proximal portion of the radially self-expanding medical device (2) and the radially self-expanding medical device (2) is collapsed within the sheath (11).La présente invention concerne un appareil de distribution permettant de distribuer un dispositif médical (2) auto-expansible radialement ayant une partie proximale et une partie distale, ledit appareil de distribution comprenant un élément tubulaire allongé ayant une extrémité proximale, une extrémité distale et une lumière (122) sétendant le long dun axe longitudinal de lextrémité proximale à lextrémité distale une gaine (11), ladite gaine (11) étant disposée coaxialement autour de lélément tubulaire allongé (12), lélément tubulaire allongé (12) étant mobile par rapport à la gaine (11) et la gaine (11) étant configurée pour recevoir le dispositif médical (2) auto-expansible radialement dans un état comprimé radialement et un mécanisme de maintien et de récupération configuré pour restreindre radialement la partie proximale du dispositif médic
