US6468268B1
Expired / Lapsed
US
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Cryogenic catheter system
Assignee: Medtronic Cryocath LP
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Filing: 2000-01-24
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Granted: 2002-10-22
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Expires: 2020-01-24
Abstract
Abstract A cryogenic catheter system provides safe and effective treatment of tissue. The system includes a catheter that is coupled to a console via fluid and electrical umbilicals. The console controls the overall operation of the system based to provide and maintain a predetermined temperature at the catheter tip. The console also controls and monitors operating parameters for providing warning indications to the user and terminating operation of the system in the event of a failure that may compromise patient safety.
Inventors
- 👤 Marwan Abboud
- 👤 Johnny Al Asmar
- 👤 Jean-Pierre Lalonde
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 19:12
CPC Classifications
A; A61; A61B; A61B18/00; A61B18/02; A61B17/00; A61B2017/00017; A61B2017/00022; A61B2017/00084; A61B2017/00092; A61B2017/00115; A61B2017/00119; A61B2018/0212; A61B2018/0231; A61B2018/0262; A61F; A61F7/00; A61F7/12
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
111 words
A cryogenic catheter system, comprising: a cryogenic catheter having a tissue-treating end and a mating end; an umbilical system having a first end coupled to the mating end of the catheter and a second end: a console coupled to the second end of the umbilical system, and a processor coupled to the console for controlling a pressure of fluid coolant flowing to the catheter, controlling a vacuum pressure of gas coolant flowing from the catheter or implementing a user selected treatment procedure, an monitoring system operating and safety parameters wherein the processor regulates coolant flow and vacuum operation to maintain a pressure within the cryogenic catheter below a patient's blood pressure.
Claim 2
Dependent Claim
111 words
A cryogenic catheter system, comprising: a cryogenic catheter having a tissue-treating end and a mating end; an umbilical system having a first end coupled to the mating end of the catheter and a second end: a console coupled to the second end of the umbilical system, and a processor coupled to the console for controlling a pressure of fluid coolant flowing to the catheter, controlling a vacuum pressure of gas coolant flowing from the catheter or implementing a user selected treatment procedure, an monitoring system operating and safety parameters wherein the processor regulates coolant flow and vacuum operation to maintain a pressure within the cryogenic catheter below a patient's blood pressure.
Claim 3
Dependent Claim
13 words
The system according to claim 1 , further comprising a leak detection system.
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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) | 2005-10-21 | 2006-04-22 | 2006-10-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2009-10-21 | 2010-04-22 | 2010-10-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2013-10-21 | 2014-04-22 | 2014-10-22 | $7700.00 | Window Closed / Lapsed |