An electrosurgical instrument, which is used for the treatment of tissue in the presence of an electrically-conductive fluid medium, comprises an instrument shaft 10, and an electrode assembly at one end of the shaft. The electrode assembly comprises a tissue treatment electrode 14 and a return elec ...
An electrosurgical instrument for treating tissue with RF energy in the presence of an electrically conductive fluid, comprises an instrument shaft 10 connectable to a handpiece and an electrode assembly 12 at the end of the shaft. The electrode assembly 12 comprises a tissue contact electrode 14 an ...
An electrosurgical instrument for the treatment of tissue in the presence of an electrically conductive fluid of the type comprising an instrument shaft 32 with a tissue treatment electrode 31 at one end, is constructed to have a lower vaporisation power threshold. The treatment electrode surface ma ...
An electrosurgical instrument for the treatment of tissue in the presence of an electrically conductive fluid medium comprises an instrument shaft 10, and an active side-effect tissue treatment electrode 12 at the distal end of a tungsten rod 14 within the shaft 10 for electrosurgically excising tis ...
An electrosurgical instrument for the treatment of tissue in the presence of an electrically conductive fluid medium comprises an instrument shaft 10, and an active side-effect tissue treatment electrode 12 at the distal end of a tungsten rod 14 within the shaft 10 for electrosurgically excising tis ...
An electrosurgical instrument for the treatment of tissue in the presence of an electrically conductive fluid medium comprises an instrument shaft 10, an active side-effect tissue treatment electrode 12 at the distal end of a tungsten rod 14 within the shaft 10 for electrosurgically excising tissue ...
A surgical instrument for the removal of tissue from a target site on or within a patient's body comprises three elongate hollow tubes 14, 15, 16 having an aperture 18 at the distal end portion. The inner tube 14 is disposed within the tubes 15 and 16 and is mounted for rotation about its longitudin ...
An inductive loop power transmission system intended primarily for wireless electrosurgical use has a transmitter including a radio frequency power oscillator with a resonant output circuit coupled to a loop antenna, and a receiver with a receiving antenna (L1a) and a power output (L1b) for an elect ...
Surgical apparatus for bipolar electrosurgery has a radio frequency generator connectible to a cutting assembly which includes a support structure (12) having a pair of electrical supply conductors (12T, 12W) and, mounted at the distal end of the support assembly, a tissue cutting head (14). The cut ...
A disposale assembly for a handheld gas plasma tissue treatment instrument has a heatÂresistant dielectric tube (516) which is housed in an instrument nose casing (517). The casing has a latch feature permitting releasable attachment of the assembly to the body of an instrument handpiece (501). The ...
