Patent US5085657A successfully refreshed from Google Patents.
US5085657A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrosurgical instrument
Assignee: Individual
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Filing: 1990-10-09
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Granted: 1992-02-04
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Expires: 2010-10-09
Abstract
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.
Inventors
- 👤 Haim Ben-Simhon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 13:57
CPC Classifications
A; A61; A61M; A61M1/00; A61M1/84; A61M1/85; A61B; A61B18/00; A61B18/04; A61B18/12; A61B18/14; A61B2018/00964; A61B2018/0097; A61B2018/00976; A61B2218/00; A61B2218/001; A61B2218/007; A61B2218/008
Claims Analysis
Total Claims: 17
Claim 1
Independent Claim
379 words
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° 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.
Claim 2
Dependent Claim
379 words
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° 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.
Claim 3
Dependent Claim
212 words
The combination as claimed in claim 1 further comprising a cleaning device for said blade electrode, said blade electrode cleaning device comprising: a metallic scraper element including a cylinder-like tip, said tip having razor-sharp edges encircling said blade electrode and having a slightly larger cross-section than said blade electrode, said tip being slidable on said blade electrode, said blade electrode having two slightly raised holding points thereon and being fixed to said scalpel handle and said slot in the back end of said modified L-shaped tube, a spring encircling said blade electrode around a portion of said blade electrode between said one end of said handle and said holding points and being retained behind said holding points; an actuating lever on said blade electrode, metallic strip connecting said tip and said lever, a portion of said strip being slidable with respect to a portion of said blade electrode, said strip being integrally formed, at one end thereof, with said cylinder-like tip; whereby, when said lever is pushed towards said tip, it causes sliding of said tip in close proximity to said blade electrode thereby to scrape said blade electrode and causing compression of said spring, and, when said lever is released, said tip is restored to its initial position by spring energy.
Claim 4
Dependent Claim
146 words
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.
Claim 5
Dependent Claim
146 words
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.
Claim 6
Dependent Claim
23 words
An electrosurgical instrument as claimed in claim 3 wherein said switch means is a two position switch for controlling cutting and coagulation procedures.
Claim 7
Dependent Claim
17 words
An electrosurgical instrument as claimed in claim 3 wherein said switch means is provided on said housing.
Claim 8
Dependent Claim
253 words
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.
Claim 9
Dependent Claim
253 words
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.
Claim 10
Dependent Claim
72 words
The electrosurgical instrument of claim 6 including a thin, lightweight, flexible tube of soft rubber or silicone, the rear end of said suction tube being connected to said thin lightweight flexible tube, said thin lightweight flexible tube being adapted to be connected to a source of suction, said thin lightweight flexible tube having sufficient resiliency to allow flexibility at the rear end of said handle for ensuring convenient manipulation of said instrument.
Claim 11
Dependent Claim
287 words
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.
Claim 12
Dependent Claim
287 words
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.
Claim 13
Dependent Claim
72 words
The electrosurgical instrument of claim 8 including a thin, lightweight, flexible tube of soft rubber or silicone, the rear end of said suction tube being connected to said thin, lightweight, flexible tube, said thin, lightweight, flexible tube being adapted to be connected to a source of suction, said thin, lightweight, flexible tube having sufficient resiliency to allow flexibility at the rear end of said handle for ensuring convenient manipulation of said instrument.
Claim 14
Dependent Claim
118 words
The electrosurgical instrument of claim 8 wherein said handle includes a longitudinally-extending slot within which said scraper cleaner means is adapted to slide, said scraper cleaner means comprising: (i) a scraper member having the same cross-section as said blade electrode but being just slightly larger thereof; (ii) a rearwardly-extending connecting member enveloping said top edge of said blade electrode and extending into said longitudinally-extending slot in said handle; (iii) a lever integral with, and upstanding from, said rearwardly-extending connecting member and slidable in said longitudinally-extending slot; and (iv) a coil spring encircling a portion of said blade electrode, said coil spring being disposed between the forward end of said handle and a rear edge of said rearwardly-extending ledge.
Claim 15
Dependent Claim
117 words
The electrosurgical device of claim 9 wherein said handle includes a longitudinally-extending slot within which scraper cleaner means is adapted to slide, said scraper cleaner means comprising: (i) a scraper member having the same cross-section as said blade electrode but being just slightly larger thereof; (ii) a rearwardly-extending connecting member enveloping said top edge of said blade electrode and extending into said longitudinally-extending slot in said handle; (iii) a lever integral with and upstanding from said rearwardly-extending connecting member and slidable in said longitudinally-extending slot; and (iv) a coil spring disposed in said longitudinally extending slot, one end of said spring abutting a wall of said longitudinally-extending slot, the other end of said spring abutting said lever.
Claim 16
Dependent Claim
93 words
The electrosurgical instrument of claim 8 including an infusion tube only adapted to be connected to a source of flushing fluid, said infusion tube having a rear end, a forward end, and a side wall, and running parallel to, and in contact with, said suction tube, said rear end of said infusion tube being connected to a source of flushing fluid, and said forward end of said infusion tube being provided with an aperture in said side wall thereof connecting with an aligned aperture in an adjacent side wall of said suction tube.
Claim 17
Dependent Claim
119 words
The electrosurgical device of claim 12 wherein said handle includes a longitudinally-extending slot within which said scraper cleaner means is adapted to slide, said scraper cleaner means comprising: (i) a scraper member having the same cross-section as said blade electrode but being just slightly larger thereof; (ii) a rearwardly-extending connecting member enveloping said top edge of said blade electrode and extending into said handle; longitudinally-extending slot in said handle; (iii) a lever integral with, and upstanding from, said rearwardly-extending connecting member and slidable in said longitudinally-extending slot; and (iv) a coil spring disposed in said longitudinally-extending slot, one end of said spring abutting an end wall of said longitudinally-extending slot, the other end of said spring abutting said lever.
References Cited (Backward Citations)
US2029487A
Cited
SU438420A1
Cited
US3828780A
Cited
US3906955A
Cited
US4307720A
Cited
US4516398A
Cited
US4562838A
Cited
US4445517A
Cited
US4719914A
Cited
US4919129A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1995-02-03 | 1995-08-05 | 1996-02-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1999-02-03 | 1999-08-05 | 2000-02-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2003-02-03 | 2003-08-05 | 2004-02-04 | $7700.00 | Window Closed / Lapsed |