Back to results
US 2023/0404653 A1Published application
Hand-piece for an electrosurgical instrument
AssigneeGyrus Medical Limited
InventorMatthew RUNNALLS
Life of this patent
Estimating the term…
Abstract
The present disclosure seeks to address the problem of carbon tracking in electrosurgical instruments caused by a build-up of saline by providing the hand-piece of the instrument with a drainage system, for example, in the form of a lumen leading to an opening in the outer casing of the hand-piece. Any trapped saline between the sealing surfaces thereby drains from the cavity within the hand-piece, ensuring that an air-gap is formed between the contacts, and thus preventing the possibility of carbon tracking between the contacts.
Claims15
A hand-piece for an electrosurgical instrument, comprising:
- an inner moulding comprising a first set of electrical contacts configured to be connected to at least two electrodes;
- and
- an outer casing formed around the inner moulding such that a cavity is formed therebetween, the outer casing comprising:
- a second set of electrical contacts configured to be connected to an RF energy supply, wherein the second set of electrical contacts are arranged so as to mate with the first set of electrical contacts within the cavity;
- and
- at least one lumen extending between a first opening on an inner wall of the outer casing and a second opening on an outer wall of the outer casing, for transporting fluid from the cavity.
3 more elements
Dependencies are inferred from the claim text.