title: Adaptation of swivel valve and closed drainage system to a standard resectoscope sheath.
abstract: A central 3-way swivel valve and a drainage outlet have been adapted to a standard resectoscope sheath. The modifications to the sheath enable the resectionist to operate with the advantages of a closed drainage system.
mesh_terms: D004322:Drainage / Q000295:instrumentation*; D006801:Humans