A tissue removal device (200) comprising: an outer tubular member (210)； and an inner tubular member (230) slidably housed within the outer tubular member (210)； wherein the inner tubular member (230) has a central longitudinal axis (250) and a distal end (260) that includes an upper member (231) and a lower member (232)； wherein the device has an open position in which the distal end (260) extends completely from the outer tubular member (210) and a closed position in which the distal end (260) is fully disposed within the outer tubular member ( 210)； and wherein the upper member (231) is elastically loaded away from the lower member (232) and is arranged at an open angle Θ0 with respect to the lower member (232) when the device is in the open position； characterized in that the lower member (232) includes a distal cutting tip (234) and the upper member (231) includes a curved outer surface extending axially and distally towards the central longitudinal axis (250) of the inner tubular member (230 ) and no part of the lower member (232) is located at a radial distance greater than the inner radius of the outer tubular member (210) in the open position, where the radial distance is measured perpendicularly from the longitudinal axis (250).Un dispositivo de extirpación de tejido (200) que comprende: un miembro tubular exterior (210)； y un miembro tubular interior (230) alojado de manera deslizante dentro del miembro tubular exterior (210)； en donde el miembro tubular interior (230) tiene un eje longitudinal central (250) y un extremo distal (260) que incluye un miembro superior (231) y un miembro inferior (232)； en donde el dispositivo tiene una posición abierta en la cual el extremo distal (260) se extiende completamente desde el miembro tubular exterior (210) y una posición cerrada en la cual el extremo distal (260) está completamente dispuesto dentro del miembro tubular exterior (210)； y en donde el miembro superior (231) es cargado, elásticamente, lejos del miembr
