US6113595A
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US
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Device for the linear high-frequency catheter ablation of endomyocardial tissue
Assignee: Boston Scientific Scimed Inc
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Filing: 1996-04-11
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Granted: 2000-09-05
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Expires: 2016-04-11
Abstract
Abstract The invention concerns a device for the high-frequency catheter ablation of endomyocardial tissue, said device including an ablation catheter and an associated connection to a high-frequency generator or high-frequency ablation apparatus. According to the invention, in order to facilitate catheter ablation and reduce the amount of time and treatment necessary therefor, a catheter arrangement including a plurality of electrodes is provided, wherein a plurality of electrodes can be controlled selectively in order to coagulate preferably endomyocardial tissue.
Inventors
- 👤 Axel Muntermann
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 15:00
CPC Classifications
A; A61; A61B; A61B18/00; A61B18/04; A61B18/12; A61B18/1206; A61B18/14; A61B18/1492; A61B5/00; A61B5/24; A61B5/25; A61B5/279; A61B5/28; A61B5/283; A61B5/287; H; H05; H05B; H05B6/00; H05B6/46; H05B6/62; A61B17/00; A61B2017/00017; A61B2017/00022; A61B2017/00084; A61B2018/00315; A61B2018/00345; A61B2018/00351; A61B2018/00636; A61B2018/00642; A61B2018/00654; A61B2018/0066; A61B2018/00773; A61B2018/00791; A61B2018/00797; A61B2018/00815; A61B2018/00821; A61B2018/124; A61B2018/1246; A61B2018/1253; A61B2018/1467; A61B2562/00; A61B2562/04; A61B2562/043
Claims Analysis
Total Claims: 19
Claim 1
Independent Claim
90 words
A high-frequency ablation catheter for linear endomyocardial catheter ablation, comprising a plurality of electrodes separated from one another by isolating zones, said electrodes being selectively controllable to coagulate tissue; one or more thermal sensors assigned to said electrodes in a selected manner such that the operating temperature of one or more of the electrodes can be detected; and a control unit programmed to operate in one of a plurality of operating states based on the selected assignment of thermal sensors to control delivery of ablation energy to the respective electrodes.
Claim 2
Dependent Claim
90 words
A high-frequency ablation catheter for linear endomyocardial catheter ablation, comprising a plurality of electrodes separated from one another by isolating zones, said electrodes being selectively controllable to coagulate tissue; one or more thermal sensors assigned to said electrodes in a selected manner such that the operating temperature of one or more of the electrodes can be detected; and a control unit programmed to operate in one of a plurality of operating states based on the selected assignment of thermal sensors to control delivery of ablation energy to the respective electrodes.
Claim 3
Dependent Claim
23 words
A high-frequency ablation catheter according to claim 1, further comprising a connection from one or more of the electrodes to an ECG monitor.
Claim 4
Dependent Claim
18 words
A high-frequency ablation catheter according to claim 1, further comprising an optical fiber operative to emit light energy.
Claim 5
Dependent Claim
35 words
A device for the high-frequency catheter ablation of endomyocardial tissue, said device comprising an ablation catheter according to claim 1 and one of an associated terminal to a high-frequency generator and a high-frequency ablation apparatus.
Claim 6
Dependent Claim
27 words
A device according to claim 4, wherein to perform a local coagulation process, said electrodes each reach a predefinable final temperature ranging between 40 and 80° C.
Claim 7
Dependent Claim
17 words
A device according to claim 5, wherein the final temperature is preferably between 45 and 60° C.
Claim 8
Dependent Claim
53 words
A device according to claim 4, wherein energy is cyclically or statistically supplied to said electrodes and the energy from said high-frequency generator or high-frequency ablation apparatus is, upon reaching a desired temperature at one of the electrodes, reduced by said control unit or is preferably supplied to another one of the electrodes.
Claim 9
Dependent Claim
32 words
A device according to claim 4, wherein energy in the form of electromagnetic pulses having a fixed or variable length or fixed or variable rate of repetition is supplied to said electrodes.
Claim 10
Dependent Claim
37 words
A device according to claim 1, wherein the power supplied by said high-frequency generator or high-frequency ablation apparatus, but not presently required is diverted to a load, particularly to one or more resistors which are each cooled.
Claim 11
Dependent Claim
40 words
A device according to claim 1, wherein said electrodes are disposed along an uninterrupted line having a length of up to about 7 cm, each separated from one another by isolating zones, preferably at the end of said ablation catheter.
Claim 12
Dependent Claim
25 words
A device according to claim 1, wherein said electrodes are each separated from one another by isolating zones at the end of said ablation catheter.
Claim 13
Dependent Claim
31 words
A device according to claim 1, wherein the temperature of a particular electrode and the duration of energy release to this electrode can be represented on at least one display means.
Claim 14
Dependent Claim
36 words
A device according to claim 1, wherein the local cardiac action before, between, during and after treatment can be detected and displayed by means of a connection from one or more electrodes to an ECG monitor.
Claim 15
Dependent Claim
32 words
A device according to claim 1, wherein the number of said electrodes necessary for ablation, their target temperature or temporal energy supply or operating state can be set on an operating panel.
Claim 16
Dependent Claim
82 words
A high-frequency ablation catheter, comprising a plurality of electrodes separated from one another by isolating zones, said electrodes being selectively controllable to coagulate tissue; one or more thermal sensors assigned to said electrodes in a selected manner such that the operating temperature of one or more of the electrodes can be detected; and a control unit programmed to deliver ablation energy to the respective electrodes, wherein the ablation energy is diverted to a load when not required by one of the electrodes.
Claim 17
Dependent Claim
82 words
A high-frequency ablation catheter, comprising a plurality of electrodes separated from one another by isolating zones, said electrodes being selectively controllable to coagulate tissue; one or more thermal sensors assigned to said electrodes in a selected manner such that the operating temperature of one or more of the electrodes can be detected; and a control unit programmed to deliver ablation energy to the respective electrodes, wherein the ablation energy is diverted to a load when not required by one of the electrodes.
Claim 18
Independent Claim
67 words
A method of performing an ablation procedure with a catheter having a plurality of electrodes separated from one another by isolating zones, the method comprising the steps of: sequentially delivering ablation energy to the electrodes; monitoring one or more conditions at one or more of the electrodes; and diverting the ablation energy to a load when one or more of the monitored conditions exceeds a preselected threshold.
Claim 19
Independent Claim
67 words
A method of performing an ablation procedure with a catheter having a plurality of electrodes separated from one another by isolating zones, the method comprising the steps of: sequentially delivering ablation energy to the electrodes; monitoring one or more conditions at one or more of the electrodes; and diverting the ablation energy to a load when one or more of the monitored conditions exceeds a preselected threshold.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 2003-09-05 | 2004-03-06 | 2004-09-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2007-09-05 | 2008-03-06 | 2008-09-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2011-09-05 | 2012-03-06 | 2012-09-05 | $7700.00 | Window Closed / Lapsed |