Surgical vaporization electrode with an electrode head
AssigneeOlympus Winter & Ibe GmbH
InventorPieter Brommersma
Life of this patent
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Abstract
A surgical vaporization electrode (1) including an electrode head (2) which in turn is fitted with a functional surface (6) and which is connected at a minimum of one connection site (10) to a feed conductor (3) enclosed by an insulating sheath (4), is characterized in that the surface zone (7) of the electrode head (2) surrounding the connection site (10) is fitted with a ceramic covering (8).
Claims15
A surgical vaporization electrode for vaporizing tissue in the presence of an electrically conductive liquid, wherein:
- the electrode comprises an electrode head having a functional surface and a back side;
- the back side is connected at a minimum of one connection site to a feed conductor enclosed by an insulating sheath;
- a ceramic covering is fitted onto the back side of the electrode head;
- the ceramic covering encloses the connection site;
- the functional surface, ceramic covering and insulating sheath are exposed to the electrically conductive liquid when the vaporization electrode is used to vaporize tissue;
- the functional surface of the electrode head defines a convex surface;
- the back side of the electrode head on which the connection site is configured is planar;
- and
- the ceramic covering on the back side is a ceramic pane.
A surgical vaporization electrode for vaporizing tissue in the presence of an electrically conductive liquid, wherein:
- the electrode comprises an electrode head having a functional surface and a back side;
- the back side is connected at a minimum of one connection site to a feed conductor enclosed by an insulating sheath;
- a ceramic covering is fitted onto the back side of the electrode head;
- the ceramic covering encloses the connection site;
- the functional surface, ceramic covering and insulating sheath are exposed to the electrically conductive liquid when the vaporization electrode is used to vaporize tissue;
- and
- the feed conductor is perpendicular to the back side in its end portion at the connection site.
A surgical vaporization electrode for vaporizing tissue in the presence of an electrically conductive liquid, wherein:
- the electrode comprises an electrode head having a functional surface and a back side;
- the back side is connected at a minimum of one connection site to a feed conductor enclosed by an insulating sheath;
- a ceramic covering is fitted onto the back side of the electrode head;
- the ceramic covering encloses the connection site;
- the functional surface, ceramic covering and insulating sheath are exposed to the electrically conductive liquid when the vaporization electrode is used to vaporize tissue;
- and
- the functional surface of the electrode head defines a convex surface.
A surgical vaporization electrode for vaporizing tissue in the presence of an electrically conductive liquid, wherein:
- the electrode comprises an electrode head having a functional surface and a back side;
- the back side is connected at a minimum of one connection site to a feed conductor enclosed by an insulating sheath;
- a ceramic covering is fitted onto the back side of the electrode head;
- the ceramic covering encloses the connection site;
- the functional surface, ceramic covering and insulating sheath are exposed to the electrically conductive liquid when the vaporization electrode is used to vaporize tissue;
- the back side of the electrode head on which the connection site is configured is planar;
- and
- the ceramic covering on the back side is a ceramic pane.
Dependencies are inferred from the claim text.