Methods and devices for performing percutaneous surgery in a patient are provided. A retractor includes a working channel formed by a first portion coupled to a second portion. The first and second portions are movable relative to one another from an unexpanded configuration to an expanded configuration to increase the size of the working channel along the length of the working channel while minimizing trauma to skin and tissue.
申请公布号
WO03086202(A3)
申请公布日期
2004.04.15
申请号
WO2003US10090
申请日期
2003.04.02
申请人
SDGI HOLDINGS, INC.
发明人
SMITH, MAURICE, M.;FOLEY, KEVIN, T.;ROEHM, THOMAS, E., III;LIM, ROY, K.