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US5056531A Expired / Lapsed US ⏱️ 0.0 years remaining

Electrode structure for high frequency hyperthermia device

Assignee: Omron Corp
•
Filing: 1989-10-30
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Granted: 1991-10-15
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Expires: 2009-10-30
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Abstract

Abstract In an electrode structure for a high frequency hyperthermia device, an electrode unit incorporating an electrode is provided at the front end of a supporting arm, and an inflatable insulated bag is provided on one side of the electrode unit, whereby the electrode unit is snugly brought into contact with the diseased part as the bag is inflated, and a cooling solution containing bag is detachably mounted on the other side of the electrode unit, whereby the solution containing bag can be readily replaced with a new one when broken, and the solution containing bag most suitable for treatment of the diseased part can be readily engaged with the electrode unit.

Inventors

  • 👤 Jun Shimoyama

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 11:26
CPC Classifications
A; A61; A61N; A61N1/00; A61N1/02; A61N1/04; A61B; A61B18/00; A61B18/18; A61N1/06

Claims Analysis

Total Claims: 8
Claim 1
Independent Claim 79 words
An electrode structure for a high frequency hyperthermia device for nonsurgical insertion into a body cavity of a person, which comprises: a rigid supporting arm; an electrode unit incorporating an electrode which is provided at one end of said supporting arm; and a cooling solution containing bag detachably mounted on one side of said electrode unit; wherein said supporting arm is of a length to position said electrode unit in said body cavity from the exterior of said person.
Claim 2
Dependent Claim 79 words
An electrode structure for a high frequency hyperthermia device for nonsurgical insertion into a body cavity of a person, which comprises: a rigid supporting arm; an electrode unit incorporating an electrode which is provided at one end of said supporting arm; and a cooling solution containing bag detachably mounted on one side of said electrode unit; wherein said supporting arm is of a length to position said electrode unit in said body cavity from the exterior of said person.
Claim 3
Dependent Claim 46 words
An electrode structure for a high frequency hyperthermia device for nonsurgical insertion into a body cavity of a person according to claim 1, in which said supporting arm comprises: means for engaging solution tubes of said solution containing bag on a surface of said supporting arm.
Claim 4
Dependent Claim 90 words
An electrode structure for a high frequency hyperthermia device for nonsurgical insertion into a body cavity of a person, which comprises: a rigid supporting arm; an electrode unit incorporating an electrode which is provided at one end of said supporting arm; and an insulated bag which is elastic so as to be inflated or deflated, said insulated bag being provided on one side of said electrode unit; wherein said supporting arm is of a length to position said electrode unit in said body cavity from the exterior of said person.
Claim 5
Dependent Claim 90 words
An electrode structure for a high frequency hyperthermia device for nonsurgical insertion into a body cavity of a person, which comprises: a rigid supporting arm; an electrode unit incorporating an electrode which is provided at one end of said supporting arm; and an insulated bag which is elastic so as to be inflated or deflated, said insulated bag being provided on one side of said electrode unit; wherein said supporting arm is of a length to position said electrode unit in said body cavity from the exterior of said person.
Claim 6
Dependent Claim 104 words
An electrode structure for a high frequency hyperthermia device for nonsurgical insertion into a body cavity of a person, which comprises: a rigid supporting arm; an electrode unit incorporating an electrode which is provided at one end of said supporting arm; an insulated bag which is elastic so as to be inflated or deflated, said insulated bag being provided on one side of said electrode unit; and a cooling solution containing bag detachably mounted on other side of said electrode unit; wherein said supporting arm is of a length to position said electrode unit in said body cavity from the exterior of said person.
Claim 7
Dependent Claim 104 words
An electrode structure for a high frequency hyperthermia device for nonsurgical insertion into a body cavity of a person, which comprises: a rigid supporting arm; an electrode unit incorporating an electrode which is provided at one end of said supporting arm; an insulated bag which is elastic so as to be inflated or deflated, said insulated bag being provided on one side of said electrode unit; and a cooling solution containing bag detachably mounted on other side of said electrode unit; wherein said supporting arm is of a length to position said electrode unit in said body cavity from the exterior of said person.
Claim 8
Dependent Claim 46 words
An electrode structure for a high frequency hyperthermia device for nonsurgical insertion into a body cavity of a person according to claim 4, in which said supporting arm comprises: means for engaging solution tubes of said solution containing bag on a surface of said supporting arm.

References Cited (Backward Citations)

US3991770A Cited
US4140130A Cited
US4887614A Cited
US4846790A Cited
EP0251746A1 Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1994-10-14 1995-04-15 1995-10-15 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1998-10-14 1999-04-15 1999-10-15 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 2002-10-14 2003-04-15 2003-10-15 $7700.00 Window Closed / Lapsed

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