A device for assisting delivery of an infant during childbirth the device comprising a sleeve configured to be positioned over and around the infant s head for exerting traction on the infant therewith and an inserter comprising a handle provided at a proximal end of the inserter flexible arms attached to the handle and configured to engage and position the sleeve over and around the infant s head a central rod attached to the handle an inner tube provided around the central rod at a distal end of the inserter such that the inner tube is retracted over the central rod when a force is applied to a soft cone provided at a distal end of the inner tube the soft cone being configured to be placed on the infant s head to position the device for inserting the sleeve over and around the infant s head and a reuse prevention feature configured to prevent the inner tube from being retracted a second time after a single use of the device.