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| 국가/구분 | United States(US) Patent 등록 |
|---|---|
| 국제특허분류(IPC7판) |
|
| 출원번호 | US-0253347 (2002-09-24) |
| 발명자 / 주소 |
|
| 출원인 / 주소 |
|
| 인용정보 | 피인용 횟수 : 509 인용 특허 : 150 |
An anastomosis system and method uses an anvil to control and support a tissue site during an anastomosis procedure. The anvil is particularly useful for supporting a wall of a coronary artery during attachment of a graft vessel to the coronary artery because the wall of the coronary artery is very
An anastomosis system and method uses an anvil to control and support a tissue site during an anastomosis procedure. The anvil is particularly useful for supporting a wall of a coronary artery during attachment of a graft vessel to the coronary artery because the wall of the coronary artery is very thin, difficult to grasp, and susceptible to tearing. In one method, the anvil is inserted into a pressurized or unpressurized target vessel and is pulled against an inner wall of the target vessel causing tenting of the thin tissue of the vessel wall. A graft vessel is then advanced to the anastomosis site and an end of the graft vessel is positioned adjacent and exterior of the target vessel. Staples are inserted through the tissue of the graft vessel and the target vessel by pivoting the arms of a staple holder towards the anvil. When the ends of the staples engage staple bending features on the anvil, the ends of the staples bend over securing the graft vessel and target vessel together. After stapling is complete, an incision is formed in the wall of the target vessel to allow blood flow between the target vessel and the graft vessel.
What is claimed is: 1. A method of performing anastomosis between a graft vessel and a target vessel, comprising: inserting an anvil into the target vessel through an anvil entrance hole, wherein upon insertion said anvil is positioned at least partially within the lumen of the target vessel; suppo
What is claimed is: 1. A method of performing anastomosis between a graft vessel and a target vessel, comprising: inserting an anvil into the target vessel through an anvil entrance hole, wherein upon insertion said anvil is positioned at least partially within the lumen of the target vessel; supporting the wall of the target vessel with said anvil; securing the graft vessel to the target vessel with a plurality of discrete connectors, said securing performed at a location on the target vessel spaced apart from the anvil entrance hole a distance not substantially greater than the length of said anvil; and removing said anvil from the anvil entrance hole. 2. The method of claim 1, wherein said connectors are staples. 3. The method of claim 1, further comprising creating an opening in the wall of the target vessel to allow fluid flow between the graft vessel and the target vessel. 4. The method of claim 3, further comprising a cutter moveable relative to said anvil, wherein said creating is performed by moving said cutter. 5. The method of claim 3, wherein the anvil entrance hole is spaced apart from the opening. 6. The method of claim 1, wherein substantially no leakage occurs through the anvil entrance hole after said removing. 7. The method of claim 1, wherein said creating is performed from inside the target vessel. 8. A method of performing anastomosis between a graft vessel and a target vessel, comprising: placing an end of the graft vessel against the side of the target vessel at a first location; inserting an anvil through the side of the target vessel at a second location adjacent to said first location; deploying a plurality of connectors to secure the graft vessel to the target vessel; and creating an opening in the target vessel to allow fluid flow between the graft vessel and the target vessel. 9. The method of claim 8, wherein said inserting comprises pressing said anvil through the side of the target vessel. 10. The method of claim 8, wherein said second location is upstream from said first location. 11. The method of claim 8, wherein said connectors are staples. 12. The method of claim 8, wherein said deploying includes bringing at least one said connector into contact with said anvil. 13. The method of claim 8, further comprising a cutter moveable relative to said anvil, wherein said creating comprises incising the target vessel with said cutter. 14. The method of claim 8, wherein said creating is performed from inside the target vessel.
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