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US5964755A
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Thin layer ablation apparatus
Assignee: Vioacare International Inc
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Filing: 1996-10-11
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Granted: 1999-10-12
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Expires: 2016-10-11
Abstract
Abstract An ablation apparatus includes an elongated structure. An expandable membrane is positioned at least partially adjacent to an exterior of the elongated structure. The membrane is configured to receive a electrolytic solution and release at least a portion of the electrolytic through a membrane exterior surface. An electromagnetic energy delivery device is coupled to the expandable membrane. The electromagnetic energy delivery device is also configured to be coupled with a power source.
Inventors
- 👤 Stuart D. Edwards
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 09:40
CPC Classifications
A; A61; A61N; A61N1/00; A61N1/40; A61B; A61B18/00; A61B18/04; A61B18/12; A61B18/14; A61B18/148; A61B18/1485; A61B18/1492; A61M; A61M16/00; A61M16/04; A61M16/0475; A61M16/0477; A61M16/0481; A61N1/02; A61N1/04; A61N1/05; A61N1/056; A61N1/06; A61B18/18; A61B18/1815; A61B17/00; A61B2017/00017; A61B2017/00022; A61B2017/00084; A61B2017/00106; A61B17/00234; A61B2017/00292; A61B2017/003; A61B17/42; A61B2017/4216; A61B2018/00005; A61B2018/00011; A61B2018/00023; A61B2018/00029; A61B2018/00053; A61B2018/00059; A61B2018/00065; A61B2018/00071; A61B2018/00077; A61B2018/00083; A61B2018/00107; A61B2018/00113; A61B2018/00148; A61B2018/00214; A61B2018/0022; A61B2018/00315; A61B2018/00482; A61B2018/00494; A61B2018/00559; A61B2018/00571; A61B2018/00577; A61B2018/00636; A61B2018/00642; A61B2018/00654; A61B2018/00666; A61B2018/00678; A61B2018/00696; A61B2018/00702; A61B2018/00708; A61B2018/00726; A61B2018/00755; A61B2018/00761; A61B2018/00773; A61B2018/00791; A61B2018/00797; A61B2018/00815; A61B2018/00821; A61B2018/00827; A61B2018/00869; A61B2018/00875; A61B2018/00886; A61B2018/00892; A61B2018/00898; A61B2018/0091; A61B2018/00916; A61B2018/00982; A61B18/02; A61B2018/0231; A61B2018/0262; A61B2018/044; A61B2018/046; A61B18/1206; A61B2018/124; A61B2018/1246; A61B2018/1253; A61B2018/126; A61B2018/1273; A61B2018/1467; A61B2018/1472; A61B90/00; A61B90/36; A61B90/361; A61B2090/3614; A61B90/37; A61B2090/378; A61B2090/3782; A61B2218/00; A61B2218/001; A61B2218/002; A61B8/00; A61M25/00; A61M25/10; A61M2025/1043; A61M2025/1052; A61M2025/1086; A61M25/1002
Claims Analysis
Total Claims: 19
Claim 1
Independent Claim
132 words
An ablation apparatus, comprising: an elongated structure; a mechanically expandable member extending from the elongated structure; a membrane surrounding at least a portion of the expandable member and positioned at least partially adjacent to an exterior of the elongated structure, wherein the membrane is configured to receive a electrolytic solution and to release at least a portion of the electrolytic through a membrane exterior surface; an electromagnetic energy delivery device coupled to the membrane and configured to be coupled with an energy source; and a core member extending into an interior of the expandable member, the core member containing at least one of a conduit for carrying an electrolytic solution to the membrane, an energy channel to deliver energy from the electromagnetic energy delivery device to the membrane, and an optical channel.
Claim 2
Dependent Claim
132 words
An ablation apparatus, comprising: an elongated structure; a mechanically expandable member extending from the elongated structure; a membrane surrounding at least a portion of the expandable member and positioned at least partially adjacent to an exterior of the elongated structure, wherein the membrane is configured to receive a electrolytic solution and to release at least a portion of the electrolytic through a membrane exterior surface; an electromagnetic energy delivery device coupled to the membrane and configured to be coupled with an energy source; and a core member extending into an interior of the expandable member, the core member containing at least one of a conduit for carrying an electrolytic solution to the membrane, an energy channel to deliver energy from the electromagnetic energy delivery device to the membrane, and an optical channel.
Claim 3
Dependent Claim
13 words
The apparatus of claim 1, wherein the expandable member includes an inflatable member.
Claim 4
Dependent Claim
12 words
The apparatus of claim 2, wherein the inflatable member is a balloon.
Claim 5
Dependent Claim
14 words
The apparatus of claim 3, wherein the balloon is coupled to an expansion medium.
Claim 6
Dependent Claim
13 words
The apparatus of claim 4, wherein the expansion medium is an electrolytic solution.
Claim 7
Dependent Claim
13 words
The apparatus of claim 5, wherein the balloon is at least partially porous.
Claim 8
Dependent Claim
12 words
The apparatus of claim 1, wherein the elongated member is a catheter.
Claim 9
Dependent Claim
25 words
The apparatus of claim 1, wherein the electromagnetic energy delivery device is an RF electrode that is configured to be coupled with an RF source.
Claim 10
Dependent Claim
27 words
The apparatus of claim 1, wherein the electromagnetic energy delivery device is an optical fiber that is configured to be coupled with a coherent source of light.
Claim 11
Dependent Claim
26 words
The apparatus of claim 1, wherein the electromagnetic energy delivery device is an optical fiber that is configured to be coupled with an incoherent light source.
Claim 12
Dependent Claim
21 words
The apparatus of claim 1, wherein the electromagnetic energy delivery device is a catheter coupled to a source of heated fluid.
Claim 13
Dependent Claim
21 words
The apparatus of claim 1, wherein the electromagnetic energy delivery device is a catheter coupled to a source of cooled fluid.
Claim 14
Dependent Claim
20 words
The apparatus of claim 1, wherein the electromagnetic energy delivery device is configured to be coupled with a cryogenic fluid.
Claim 15
Dependent Claim
21 words
The apparatus of claim 1, wherein the electromagnetic energy delivery device is configured to be coupled with a resistive heating source.
Claim 16
Dependent Claim
33 words
The apparatus of claim 1, wherein the electromagnetic energy delivery device is a microwave antenna that is configured to be coupled with a microwave source providing energy from 915 MHz to 2.45 GHz.
Claim 17
Dependent Claim
25 words
The apparatus of claim 1, wherein the electromagnetic energy delivery device is an ultrasound emitter that is configured to be coupled with an ultrasound source.
Claim 18
Dependent Claim
37 words
The apparatus of claim 18, wherein the electromagnetic energy delivery device is an ultrasound emitter that is configured to be coupled with an ultrasound source that produces energy in the range of 300 KHZ to 3 GHz.
Claim 19
Dependent Claim
19 words
The apparatus of claim 1, wherein electromagnetic energy delivery device is configured to be coupled with a microwave source.
References Cited (Backward Citations)
US5542926A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 2002-10-11 | 2003-04-12 | 2003-10-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2006-10-11 | 2007-04-12 | 2007-10-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2010-10-11 | 2011-04-12 | 2011-10-12 | $7700.00 | Window Closed / Lapsed |