| 摘要 |
The present invention relates to a Radiofrequency surgical instrument comprising at least two dry electrodes (3 and 4, or 3 and 5) and a electrode guiding device (6) comprising a main body (7), having a proximal end (73) and a distal end (74), and at least two insertion holes (8 and 81 or 82) guiding said electrodes (3 and 4, or 3 and 5), said insertion holes (8 and 81 or 82) extending through the body (7). |
| 主权项 |
1. A surgical assembly, comprising:
a first electrode, wherein the first electrode is rigid and is shaped as a helix, the helix having a first pitch, a second electrode arranged concentric with the first electrode, and an electrode guiding device, comprising:
a body comprising a first through hole, wherein the first through hole is cylindrical with a diameter corresponding to an external diameter of the helix, andan insert fittingly received in the first through hole, wherein the insert comprises a guide provided on a periphery of the insert, wherein the guide is representative of a helical pathway having a second pitch corresponding to the first pitch, and wherein the insert comprises a second through hole concentric with the first through hole. |
