| 摘要 |
<p>An electrosurgical implement comprises an elongate tubular body having an opening at a forward end; an electrode, assembly comprising a treatment electrode through which a treatment current may be passed in use, the treatment electrode having a patient contact region at a forward end; the electrode assembly carried in said tubular body and being movable between a retracted position in which the patient contact region of the electrode is shielded within said elongate tubular body and at least one extended position in which said patient contact, region projects through said opening; a bias arrangement for biasing said electrode assembly towards its retracted position, and a latch arrangement for latching said electrode assembly in said at least one extended position.</p> |
