Abstract: An enterostomy retainer comprising a rigid cylindrical base portion and a flexible tubular portion extending from a first end of the base portion. The second end of the base portion and the free end of the tubular portion have interconnecting means to facilitate connection of the tubular portion free end to the cylindrical portion second end to form a closed loop.

Abstract: A neurosurgical scalp retractor for use in surgical operations within the skull, the retractor comprising an elongated frame, a first connector member at one end of the frame for attachment to the scalp, an extensible member connected to the frame, a releasable lock for fixing the extensible member in a desired position, and a second connector member disposed at a free end of the extensible member for attachment to an operating table drape.

Abstract: The device comprises a substantially rigid member having a rounded first end and a body portion generally circular in cross section and conical in longitudinal section extending therefrom to a second end. The substantially rigid member has on the body portion thereof edge means extending generally longitudinally thereof and adapted to engage the interior walls of an artery, or the like. Upon insertion of the device in an opened artery, the device insures the centering of a catheter attached thereto within the artery, supports the artery walls, upon turning of the device operates by way of the edge means to ream the artery interior, and deflects and guides a penetrating needle point during the patching operation.