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    • 3. 发明专利
    • ENDOVASCULAR GRAFT FOR REPAIRING ABDOMINAL AORTIC ANEURYSMS
    • CA2286691A1
    • 1998-10-15
    • CA2286691
    • 1998-04-09
    • COOK INCWILLIAM COOK EUROPE AS
    • DEFORD JOHN APAPAZOGLOU KONSTANTINOS ODEBRUYNE MICHAEL PRASMUSSEN ERIK E
    • A61F2/07A61F2/06A61F2/848A61F2/89
    • This is regarding a type of device aimed at a simpler, in relation to already existing techniques, endovascular positioning of a stent-graft in the abdominal aorta for the therapy of aneurysms up to the point of its bifurcation (26). This device is comprised of a system of three cylinders: a "main" (1) centrally placed and two "limbs" (4, 5) peripherally placed. Each of these cylinders has a central (14, 9, 8) and a peripheral (12, 10, 11) orifice. The cylinders are comprised of a cylindrical metallic skeleton which is self-expanding (2, 7) and made out of stainless steel or nitinol and which is externally covered with a cylinder (3, 8) made out of thin-layered PTFE, Dacron or some other elastic biocompatible material, refolded (18) around the peripheral orifice (12) of the skeleton of the main cylinder. These cylinders can be compressed into small diameter tubules (23, 27, 38) and enter the vascular lumen. After their insertion into the desired position, they expand, regaining their original diameter. The main cylinder (1) is placed inside the aorta becoming more circular when it comes in contact with the healthy part of the aorta (13) central to the aneurysm at the center of the orifice (14). The peripheral orifice of the main cylinder sits upon the expanded aortic bifurcation (26). The two limbs have a central orifice (8, 9) with a diameter equal to or approximately about 2 mm smaller than the diameter of the peripheral orifice (12) of the main cylinder. The branching of the main cylinder is accomplished by the entrance of the main ends of the two limbs inside the peripheral end of the main cylinder. Both limbs are at the same height in such a manner that they compress each other at the center of the cylinder. Each limb exerts equal pressure, whereas equal pressure is also exerted on the internal surface of the main cylinder from their external surface (FIG. 5) and together they both occupy at the height of their orifices the entire perimeter of the main cylinder (43). Alternatively, as limbs (peripheral cylinders), tubes of different diameters and types of skeletons can be used (28, 27).
    • 6. 发明专利
    • Endovascular graft for repairing abdominal aortic aneurysms
    • AU749826B2
    • 2002-07-04
    • AU7110198
    • 1998-04-09
    • COOK INCWILLIAM COOK EUROPE AS
    • DEFORD JOHN APAPAZOGLOU KONSTANTINOS ODEBRUYNE MICHAEL PRASMUSSEN ERIK E
    • A61F2/07A61F2/06A61F2/848A61F2/89
    • This is regarding a type of device aimed at a simpler, in relation to already existing techniques, endovascular positioning of a stent-graft in the abdominal aorta for the therapy of aneurysms up to the point of its bifurcation (26). This device is comprised of a system of three cylinders: a "main" (1) centrally placed and two "limbs" (4, 5) peripherally placed. Each of these cylinders has a central (14, 9, 8) and a peripheral (12, 10, 11) orifice. The cylinders are comprised of a cylindrical metallic skeleton which is self-expanding (2, 7) and made out of stainless steel or nitinol and which is externally covered with a cylinder (3, 8) made out of thin-layered PTFE, Dacron or some other elastic biocompatible material, refolded (18) around the peripheral orifice (12) of the skeleton of the main cylinder. These cylinders can be compressed into small diameter tubules (23, 27, 38) and enter the vascular lumen. After their insertion into the desired position, they expand, regaining their original diameter. The main cylinder (1) is placed inside the aorta becoming more circular when it comes in contact with the healthy part of the aorta (13) central to the aneurysm at the center of the orifice (14). The peripheral orifice of the main cylinder sits upon the expanded aortic bifurcation (26). The two limbs have a central orifice (8, 9) with a diameter equal to or approximately about 2 mm smaller than the diameter of the peripheral orifice (12) of the main cylinder. The branching of the main cylinder is accomplished by the entrance of the main ends of the two limbs inside the peripheral end of the main cylinder. Both limbs are at the same height in such a manner that they compress each other at the center of the cylinder. Each limb exerts equal pressure, whereas equal pressure is also exerted on the internal surface of the main cylinder from their external surface (FIG. 5) and together they both occupy at the height of their orifices the entire perimeter of the main cylinder (43). Alternatively, as limbs (peripheral cylinders), tubes of different diameters and types of skeletons can be used (28, 27).
    • 7. 发明专利
    • Apparatus for supplying radioactive gas to a delivery device
    • AU737096B2
    • 2001-08-09
    • AU1604099
    • 1998-12-01
    • COOK INCMED INST INC
    • APPLE MARC GBATES BRIAN LDEFORD JOHN AFEARNOT NEAL EPURDY JAMES D
    • A61M36/04A61F2/958A61M36/12A61N5/10A61M36/06
    • Disclosed is a catheter apparatus filled with a radiation carrier material such as an inert radioactive gas for the treatment of restenosis after angioplasty, and malignancies. The inflated catheter includes a single unit or alternatively, a plurality of discrete chambers for transporting the radioactive carrier material and through which, blood may continue to flow during treatment with the prescribed radiation. When the radioactive carrier is a gas such as Xenon 133, an injection apparatus (1400) may be used that permits use of a standard radioactive gas source vial (1401) that may be loaded into the radioactive source vial enclosure or chamber (1403). The means for enclosing the vial (1404) may also serve as an urging mechanism (1442) to urge the source vial (1401) toward one or more piercing cannulae (1406, 1454) which permit delivery of the radioactive gas to the catheter. In one series of embodiments, the radioactive gas is withdrawn through a selector means (1409) such as a multiple position valve into a gas-tight variable volume chamber (1411) such as a syringe which then is deployed to deliver the gas into the catheter. Following treatment, the gas is withdrawn into the syringe and returned to the source vial (1401). In another series of embodiments a syringe filled with a liquid is used to displace the gas either directly into the delivery catheter (1422), or into a second syringe which injects the gas to the delivery catheter (1422).
    • 8. 发明专利
    • Endovascular graft for repairing abdominal aortic aneurysms
    • AU7110198A
    • 1998-10-30
    • AU7110198
    • 1998-04-09
    • COOK INCWILLIAM COOK EUROPE AS
    • DEFORD JOHN APAPAZOGLOU KONSTANTINOS ODEBRUYNE MICHAEL PRASMUSSEN ERIK E
    • A61F2/07A61F2/06A61F2/848A61F2/89
    • This is regarding a type of device aimed at a simpler, in relation to already existing techniques, endovascular positioning of a stent-graft in the abdominal aorta for the therapy of aneurysms up to the point of its bifurcation (26). This device is comprised of a system of three cylinders: a "main" (1) centrally placed and two "limbs" (4, 5) peripherally placed. Each of these cylinders has a central (14, 9, 8) and a peripheral (12, 10, 11) orifice. The cylinders are comprised of a cylindrical metallic skeleton which is self-expanding (2, 7) and made out of stainless steel or nitinol and which is externally covered with a cylinder (3, 8) made out of thin-layered PTFE, Dacron or some other elastic biocompatible material, refolded (18) around the peripheral orifice (12) of the skeleton of the main cylinder. These cylinders can be compressed into small diameter tubules (23, 27, 38) and enter the vascular lumen. After their insertion into the desired position, they expand, regaining their original diameter. The main cylinder (1) is placed inside the aorta becoming more circular when it comes in contact with the healthy part of the aorta (13) central to the aneurysm at the center of the orifice (14). The peripheral orifice of the main cylinder sits upon the expanded aortic bifurcation (26). The two limbs have a central orifice (8, 9) with a diameter equal to or approximately about 2 mm smaller than the diameter of the peripheral orifice (12) of the main cylinder. The branching of the main cylinder is accomplished by the entrance of the main ends of the two limbs inside the peripheral end of the main cylinder. Both limbs are at the same height in such a manner that they compress each other at the center of the cylinder. Each limb exerts equal pressure, whereas equal pressure is also exerted on the internal surface of the main cylinder from their external surface (FIG. 5) and together they both occupy at the height of their orifices the entire perimeter of the main cylinder (43). Alternatively, as limbs (peripheral cylinders), tubes of different diameters and types of skeletons can be used (28, 27).
    • 10. 发明专利
    • ENDOVASCULAR GRAFT FOR REPAIRING ABDOMINAL AORTIC ANEURYSMS
    • CA2286691C
    • 2005-11-29
    • CA2286691
    • 1998-04-09
    • COOK INCCOOK WILLIAM EUROP
    • RASMUSSEN ERIK EDEBRUYNE MICHAEL PPAPAZOGLOU KONSTANTINOS ODEFORD JOHN A
    • A61F2/07A61F2/06A61F2/848A61F2/89
    • This is regarding a type of device aimed at a simpler, in relation to alrea dy existing techniques, endovascular positioning of a stent-graft in the abdominal aorta for the therapy of aneurysms up to the point of its bifurcation. This device is comprised of a system of three cylinders: a "main" centrally place d and two "limbs" peripherally placed. Each of these cylinders has a central and a peripheral orifice. The cylinders are comprised of a cylindrical metallic skeleton which is self-expanding and made out of stainless steel or nitinol and which is externally covered with a cylinder made out of thin-layered PTFE, Dacron or some other elastic biocompatible material, refolded around th e peripheral orifice of the skeleton of the main cylinder. These cylinders can be compressed into small diameter tubules and enter the vascular lumen. Afte r their insertion into the desired position, they expand, regaining their original diameter. The main cylinder is placed inside the aorta becoming more circular when it comes in contact with the healthy part of the aorta central to the aneurysm at the center of the orifice. The peripheral orifice of the main cylinder sits upon the expanded aortic bifurcation. The two limbs have a central orifice with a diameter equal to or approximately about 2 mm smaller than the diameter of the peripheral orifice of the main cylinder. The branching of the main cylinder is accomplished by the entrance of the main ends of the two limbs inside the peripheral end of the main cylinder. Both limbs are at the same height in such a manner that they compress each other at the center of the cylinder. Each limb exerts equal pressure, whereas equal pressure is also exerted on the internal surface of the main cylinder from their externa l surface and together they both occupy at the height of their orifices the entire perimeter of the main cylinder. Alternatively, as limbs (peripher al cylinders), tubes of different diameters and types of skeletons can be used.