Source: http://www.google.com/patents/US6123682?dq=6859936
Timestamp: 2017-05-26 09:44:36
Document Index: 637363217

Matched Legal Cases: ['Art, 165', 'Art, 165', 'art 2443', 'art 2443', 'application No. 60', 'application No. 60']

Patent US6123682 - Closed chest coronary bypass - Google PatentsSearch Images Maps Play YouTube News Gmail Drive More »Sign inPatentsA method and apparatus for performing coronary artery bypass surgery establishes a channel leading directly from a chamber of a heart into a coronary artery. The coronary artery bypass procedure may be performed with or without cardiopulmonary bypass....http://www.google.com/patents/US6123682?utm_source=gb-gplus-sharePatent US6123682 - Closed chest coronary bypassAdvanced Patent SearchTry the new Google Patents, with machine-classified Google Scholar results, and Japanese and South Korean patents.Publication numberUS6123682 APublication typeGrantApplication numberUS 09/054,815Publication dateSep 26, 2000Filing dateApr 3, 1998Priority dateAug 13, 1996Fee statusLapsedAlso published asCA2262623A1, DE19735141A1, DE69717859D1, DE69717859T2, EP0959815A1, EP0959815B1, EP1312320A2, EP1312320A3, US5755682, US5944019, US6093166, US6350248, US6361519, US6454794, US6701932, US6913021, US6929011, US20020049486, US20020065478, US20020072699, US20030018379, US20040073157, US20040077990, US20040122347, US20050228334, US20060155239, WO1998006356A1Publication number054815, 09054815, US 6123682 A, US 6123682A, US-A-6123682, US6123682 A, US6123682AInventorsMark B. Knudson, William L. GieseOriginal AssigneeHeartstent CorporationExport CitationBiBTeX, EndNote, RefManPatent Citations (49), Non-Patent Citations (95), Referenced by (96), Classifications (50), Legal Events (6) External Links: USPTO, USPTO Assignment, EspacenetClosed chest coronary bypass
US 6123682 AAbstract
1. An apparatus for use in a coronary artery bypass procedure at a coronary vessel disposed lying at an exterior of a heart wall, the apparatus comprising;a hollow blood flow conduit having a first portion and a separate second portion; the first portion adapted to be advanced through a patient's vasculature system and inserted into and retained within the heart wall of a heart chamber containing oxygenated blood with an opening of the first portion in blood-flow communication with blood contained within the chamber, said first portion dimensioned so as to extend through the heart wall from said coronary vessel into communication with said chamber; the second portion adapted to be advanced through the patient's vasculature system to be inserted into and retained within the coronary vessel with an opening of the second portion in blood flow communication with a lumen of the coronary vessel; and the first and second portions connectable when so retained to form the conduit defining a blood flow path between the openings of the first and second portions from said heart chamber to said coronary vessel. 2. An apparatus according to claim 1 wherein the conduit has a portion to block flow out of the conduit in a direction axially opposite the opening of the second portion.
6. An apparatus for use in a coronary artery bypass procedure at a coronary vessel disposed lying at an exterior of a heart wall, the apparatus comprising;a hollow blood flow conduit having a first portion and a separate second portion; the first portion adapted to be advanced through a patient's vasculature system and inserted into and retained within the heart wall of a heart chamber containing oxygenated blood with an opening of the first portion in blood-flow communication with blood contained within the chamber; the second portion adapted to be advanced through the patient's vasculature system to be inserted into and retained within the coronary vessel with an opening of the second portion in blood flow communication with a lumen of the coronary vessel; the first and second portions connectable when so retained to form the conduit defining a blood flow path between the openings of the first and second portions; and a reservoir connected to said conduit for accumulating blood from said conduit during periods of high blood pressure and for discharging accumulated blood into said conduit during periods of low blood pressure. 7. A method for performing a coronary bypass procedure at a coronary vessel disposed lying at an exterior of a heart wall, the method comprising:inserting a first hollow conduit through a patient's vasculature system and advancing the first hollow conduit in to the heart and placing the first hollow conduit into the heart wall with an opening of the first hollow conduit in communication with a heart chamber; inserting a second hollow conduit through a patient's vasculature and advancing the second hollow conduit to the vessel and placing the second hollow conduit within the vessel to direct blood to flow from the second hollow conduit into the vessel; and connecting the first and second hollow conduits to form a conduit with a blood flow path from the chamber into the vessel. 8. A method according to claim 7 further comprising placing an opening of the second hollow conduit facing away from an obstruction which at least partially obstructs blood flow through the vessel.
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