Patent US6071295A successfully refreshed from Google Patents.
US6071295A
Expired / Lapsed
US
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Device to hold an anastomotic site of coronary artery motionless and bloodless for the bypass operation
Assignee: Converge Medical Inc
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Filing: 1997-11-20
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Granted: 2000-06-06
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Expires: 2017-11-20
Abstract
Abstract A device is provided for holding an anastomotic site of a coronary artery motionless and bloodless during surgery is provided. The invention device comprises a suction body with a flexible channel that adheres under suction to the beating heart and surrounds the coronary artery while providing a central opening to expose the anastomotic site for surgery. Suction is built up in the flexible channel by means of an exhaust tube attached thereto. By use of the invention device, an anastomotic site can be held motionless and bloodless during beating heart surgery.
Inventors
- 👤 Masao Takahashi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 21:23
CPC Classifications
A; A61; A61B; A61B17/00; A61B17/02; A61B2017/0046; A61B2017/00464; A61B2017/0237; A61B2017/0243; A61B17/30; A61B2017/306
Claims Analysis
Total Claims: 8
Claim 1
Independent Claim
93 words
A device for holding an anastomotic site of a coronary artery motionless and bloodless for bypass surgery, said device comprising a suction body provided with a flexible channel to surround the coronary artery and to cling to the heart surface, wherein said flexible channel is open to the air on one side and said suction body is provided with an opening in the central portion to expose the anastomotic site of said coronary artery for surgical operation and an exhaust tube is engaged to said flexible channel to draw off the air therefrom.
Claim 2
Independent Claim
93 words
A device for holding an anastomotic site of a coronary artery motionless and bloodless for bypass surgery, said device comprising a suction body provided with a flexible channel to surround the coronary artery and to cling to the heart surface, wherein said flexible channel is open to the air on one side and said suction body is provided with an opening in the central portion to expose the anastomotic site of said coronary artery for surgical operation and an exhaust tube is engaged to said flexible channel to draw off the air therefrom.
Claim 3
Dependent Claim
15 words
A device according to claim 1, wherein said flexible channel is formed in doughnut shape.
Claim 4
Dependent Claim
15 words
A device according to claim 1, wherein said flexible channel is formed in horseshoe shape.
Claim 5
Dependent Claim
19 words
A device according to claim 1, wherein a handle is provided on the outer surface of said suction body.
Claim 6
Dependent Claim
20 words
A device according to claim 4, wherein said handle is removably mounted on the outer surface of said suction body.
Claim 7
Dependent Claim
19 words
A device according to claim 1, wherein said flexible channel is made of non-toxic synthetic resin having rubber elasticity.
Claim 8
Dependent Claim
19 words
A device according to claim 1, wherein reversely wedge-shaped edges are formed on suction fringes of the flexible channel.
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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) | 2003-06-06 | 2003-12-06 | 2004-06-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2007-06-06 | 2007-12-06 | 2008-06-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2011-06-06 | 2011-12-06 | 2012-06-06 | $7700.00 | Window Closed / Lapsed |