Centering element and hole cutter for stomy pouch support has pressure screw, cutter, supporting bar and matrix

摘要

The centering element/hole cutter consists of a pressure screw (1) with a thread pitch of 1.75 mm and turned by a 6 cm knurled knob (6), a cutter (3), and a 10 cm long retaining bar (5) to keep a matrix (4) from rotating. A base (8) transmits pressure to the cutter, while a centering ring (2) positions it concentrically with the support (7).