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US 5,085,657 AGranted
Electrosurgical instrument
OwnerHaim Ben-Simhoninventor
Life of this patent
Estimating the term…
Abstract
A suction tube to be mounted on electro-cutting/coagulation apparatus and/or cutting/coagulation-suction apparatus and/or laser generated cutting/coagulation-suction apparatus for general and specific surgery usage. A cleaning mechanism is provided for removal of ash from blades of electro-cutting/coagulation apparatus, and/or laser generated cutting/coagulation apparatus. A flushing system is also included for removal of blood or debris from the suction tube.
Claims13
The combination of:
- A) a cutting-coagulation scalpel including a handle, an electrical lead to said handle, switch means on said handle, a blade electrode mounted at one end of said handle and connected to said electrical lead through said switch means on said handle for selectively activating and deactivating said blade electrode for cutting action or for coagulation action;
- and
- B) a suction tube removably mounted on said handle, said suction tube being connectable to a source of suction and comprising a modified L-shaped hard plastic transparent tube having a longitudinal arm and an angular arm, with an angle of 135.degree. between said longitudinal arm and said angular arm, said longitudinal arm having an open end and a back end, and being provided, at said open end, with an orifice, and, at said back end, with a thickened wall having a slot therethrough allowing penetration of said blade electrode therethrough, a soft plastic tube, said angular arm being connected to said soft plastic tube, said soft plastic tube having a first set of hooks thereon, said first set of hooks each comprising two rings, one ring completely encircling said soft plastic tube, the other ring being constituted by two flexible arms to allow said handle to pop in between a gap between said two flexible arms thereby allowing said ring to be mounted on, and being positively attached to, said handle, and having a further set of hooks thereon for holding only said electric lead, each of said further set of hooks having a closed ring encircling said soft tube and an open ring, said open ring being formed by two flexible arms, each of said further set of hooks being sized to allow said electrical lead of said cutting-coagulation scalpel to be engaged and disengaged in it, said blade electrode penetrating said modified L-shaped tube through said slot in said back end of said longitudinal arm, and being held in the center thereof by said thickened wall and protruding out of said orifice so that said blade electrode approaches cut and coagulated tissue area, and a tap disposed on said suction tube, said tap being selectively operable to connect said suction tube to said source of suction, or to disconnect said suction tube from said source of suction.
An electrosurgical instrument comprising:
- an insulated housing, a blade electrode mounted at one end of said housing;
- an electrical unit including switch means for selectively activating and deactivating said blade electrode, said electrical unit being disposed in said insulated housing;
- a suction channel having an orifice adjacent a tip of said blade electrode;
- a second channel operatively connected to said suction channel for conveying flushing fluid to said suction channel;
- scraping cleaning means for scraping said blade electrode carried by said blade electrode, said scraping cleaning means including manual operable means for urging said scraping cleaning means to a forward position, said manual operable means operating against spring means which urge said scraping cleaning means to a retracted, stored position, whereby release of said manual operable means allows said spring means to urge said scraping cleaning means from its forward position to its retracted stored position.
2 more elements
An electrosurgical instrument comprising:
- a) a handle having a forward end and a rear end;
- b) a suction tube having a forward end, a rear end, and side walls, connected to said handle, said rear end of said suction tube being adapted to be connected to a source of suction, and said forward end of said suction tube projecting beyond the forward end of said handle, said suction tube including an aperture in a side wall of the forward end thereof;
- the forward end of said suction tube being flattened to an ellipsoidal cross-section in a region where it surrounds a blade electrode, the forward end of said suction tube terminating in a distal obliquely-slanted outer face, and including an elliptically-shaped perforated membrane secured to said aperture, said membrane including a slot through which said blade electrode protrudes;
- c) an electrical lead extending into said handle from said rear end thereof;
- d) a blade electrode, having a forward end and a rear end, said rear end of said blade electrode being secured to the forward end of said handle, and being in electrical connection to said electrical lead, and said forward end of said blade electrode projecting through said aperture in said side wall of said forward end of said suction tube, and projecting beyond said forward end of said suction tube, said blade electrode being completely surrounded by said suction tube;
- and
- e) a switch connected between said electrical lead and said blade electrode for selectively activating and deactivating said blade electrode.
4 more elements
An electrosurgical instrument comprising:
- a) a handle having a forward end and a rear end and having a longitudinal axis;
- b) a suction tube having a forward end, a rear end, and sidewalls, connected to said handle, said rear end of said suction tube being adapted to be connected to a source of suction, said forward end of said suction tube projecting beyond the forward end of said handle, and extending along an imaginary extension of said longitudinal axis of said handle, said suction tube including an aperture in a side wall of the forward end thereof;
- c) an electrical lead extending into said handle from said rear end thereof;
- d) a blade electrode having a forward end, an intermediate portion and a rear end, a top edge of said rear end of said blade electrode being secured to the forward end of said handle, and being in electrical connection to said electrical lead, said intermediate portion of said blade electrode being disposed through said aperture in said side wall of said suction tube, said aperture being operatively associated with a rearwardly-extending ledge, said blade electrode being supported on said rearwardly-extending ledge, the forward end of said blade electrode projecting beyond the forward end of said suction tube, said blade electrode being completely surrounded by said suction tube;
- e) a switch connected between said electrical lead and said blade electrode for selectively activating and deactivating said blade electrode;
- and
- f) scraper cleaner means for scraping said blade electrode and slidably mounted on said blade electrode, and manually movable means for moving said scraper cleaner means from an inactive position to a forward position in scraping sliding contact with said blade electrode, and back to said inactive position.
4 more elements
Dependencies are inferred from the claim text.