Patent US5968059A successfully refreshed from Google Patents.
US5968059A
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Transmyocardial revascularization catheter and method
Assignee: Boston Scientific Scimed Inc
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Filing: 1997-03-06
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Granted: 1999-10-19
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Expires: 2017-03-06
Abstract
Abstract A transmyocardial revascularization catheter which includes an elongate drive shaft having a proximal end, a distal end and a longitudinal axis. The TMR catheter also includes a cutting tip disposed at the distal end of the shaft. The tip has a distally disposed cutting edge and a longitudinally extending lumen therethrough. A motor is coupled to the drive shaft for rotation of the cutting tip. The shaft defines a longitudinally extending lumen in fluid communication with the tip lumen.
Inventors
- 👤 Louis Ellis
- 👤 Gary L. Hendrickson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 23:48
CPC Classifications
A; A61; A61B; A61B17/00; A61B17/32; A61B17/320016; A61B17/32002; A61B17/3205; A61B17/3207; A61B17/320758; A61B17/00234; A61B2017/00238; A61B2017/00243; A61B2017/00247; A61B2017/00292; A61B2017/003; A61B17/22; A61B2017/22072; A61B2017/22074; A61B2017/22077; A61B18/00; A61B2018/00053; A61B2018/00184; A61B2018/00202; A61B2018/00208; A61B2018/00315; A61B2018/00345; A61B2018/00351; A61B2018/00392; A61B18/18; A61B18/1815; A61B2018/1861
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
95 words
A method of performing transmyocardial revascularization, comprising the steps of: providing a transmyocardial revascularization catheter including an elongate drive shaft having a proximal end, a distal end and a longitudinal axis; a cutting tip disposed at the distal end of the shaft, the tip having a distally disposed cutting edge and longitudinally extending lumen therethrough; and a motor coupled to the drive shaft for rotation of the cutting tip; advancing the cutting edge of the tip into engagement with the heart wall; rotating the tip; and advancing the tip into the myocardium of the heart.
Claim 2
Independent Claim
95 words
A method of performing transmyocardial revascularization, comprising the steps of: providing a transmyocardial revascularization catheter including an elongate drive shaft having a proximal end, a distal end and a longitudinal axis; a cutting tip disposed at the distal end of the shaft, the tip having a distally disposed cutting edge and longitudinally extending lumen therethrough; and a motor coupled to the drive shaft for rotation of the cutting tip; advancing the cutting edge of the tip into engagement with the heart wall; rotating the tip; and advancing the tip into the myocardium of the heart.
Claim 3
Dependent Claim
28 words
The method of performing transmyocardial revascularization in accordance with claim 1, wherein the shaft of the catheter defines a longitudinal lumen in fluid communication with the tip lumen.
Claim 4
Dependent Claim
22 words
The method of performing transmyocardial revascularization in accordance with claim 2, further comprising the step of infusing a dye through the lumens.
Claim 5
Dependent Claim
22 words
The method of performing transmyocardial revascularization in accordance with claim 2, further comprising the step of infusing a drug through the lumens.
Claim 6
Dependent Claim
21 words
The method of performing transmyocardial revascularization in accordance with claim 2, further comprising the step of aspirating fluid through the lumens.
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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) | 2002-10-18 | 2003-04-19 | 2003-10-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2006-10-18 | 2007-04-19 | 2007-10-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2010-10-18 | 2011-04-19 | 2011-10-19 | $7700.00 | Window Closed / Lapsed |