MOWELL Endometrial Biopsy Curette

The device consists of a clear, flexible, polypropylene sheath that is 26.5 cm (overall) 23.5 cm (effective) length with a 3.1 mm OD (Outside Diameter) and a 2.6 mm ID (Internal Diameter). The sheath is marked with colored, graduated markings from 4 cm to 10 cm, distance from the distal tip of the sheath to indicate the depth of insertion of the sheath into the uterus during use(see diagram below)

The 4, 7, 8, and 10 cm point depth markings on the sheath are accentuated and numbered. At 4 mm from the distal tip of the sheath is the center of the curette opening (A) which is 1.93 mm in diameter. This opening has sharp edges and leads to the lumen of the sheath. An EVA piston (B) affixed to the distal end of a soft acetal resin rod (E) can be moved forward and backward within almost the full length of the lumen of sheath. This is accomplished by manipulation of the knob (F) affixed to the proximal end of the piston rod which extends beyond the proximal end of the sheath. The piston is prevented from being totally pulled from within the sheath by means of an indentation (D) in the sheath located 1 cm from its proximal end. An orientation mark (C) indicates the position of the curette opening. Rapid movement of the piston within the sheath from its fully inserted position to its maximum retracted position creates a negative pressure (suction) within the lumen of the sheath. This negative pressure draws the mucosal tissue through the curette opening and into the lumen of the sheath as the curette scrapes against the endometrial wall while it is maneuvered within the uterine cavity