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    • 5. 发明申请
    • CONFORMABLE VASCULAR PROSTHESIS DELIVERY SYSTEM
    • 适应性血管假体输送系统
    • WO2007112064A3
    • 2008-12-11
    • PCT/US2007007371
    • 2007-03-23
    • PRESCIENT MEDICAL INCGRANADA JUAN FFURNISH SIMON M
    • GRANADA JUAN FFURNISH SIMON M
    • A61F2/06
    • A61F2/958A61M25/0119
    • Novel approaches for a conformable vascular prosthesis delivery system are provided which overcome the limitations of existing high pressure balloons for delivering intravascular prostheses to the site of high-risk plaques. One embodiment involves a short balloon segment which is inflated at one end of the prosthesis and then pulled to traverse the length of the prosthesis, dilating the surrounding prosthesis and securing it to the vessel wall as it traverses the length of the prosthesis. The short balloon segment causes less local trauma to the vessel relative to a full length balloon. Another embodiment involves use of a self-expandable mesh to expand the surrounding prosthesis and secure it to the vessel wall. The self expandable mesh is less traumatic than a typical angioplasty balloon because of the lower radial forces applied and the relatively higher transverse flexibility of the mesh.
    • 提供了用于适形血管假体输送系统的新方法,其克服了用于将血管内假体输送到高风险斑块部位的现有高压球囊的局限性。 一个实施例涉及短的气囊段,其在假体的一端处膨胀,然后被拉动以横穿假体的长度,扩张周围的假体并且当假体横过假体的长度时将其固定到血管壁。 相对于全长气囊而言,短气囊段对血管造成较小的局部创伤。 另一个实施例涉及使用可自扩张的网来扩张周围的假体并将其固定到血管壁。 由于所施加的较小的径向力和相对较高的网状物的横向柔性,自膨胀网的创伤小于典型的血管成形术气囊。
    • 8. 发明申请
    • CONFORMABLE VASCULAR PROSTHESIS DELIVERY SYSTEM
    • 一致的血管PROSTHESIS传递系统
    • WO2007112064A9
    • 2008-01-24
    • PCT/US2007007371
    • 2007-03-23
    • PRESCIENT MEDICAL INCGRANADA JUAN FFURNISH SIMON M
    • GRANADA JUAN FFURNISH SIMON M
    • A61F2/84
    • A61F2/958A61M25/0119
    • Novel approaches for a conformable vascular prosthesis delivery system are provided which overcome the limitations of existing high pressure balloons for delivering intravascular prostheses to the site of high-risk plaques. One embodiment involves a short balloon segment which is inflated at one end of the prosthesis and then pulled to traverse the length of the prosthesis, dilating the surrounding prosthesis and securing it to the vessel wall as it traverses the length of the prosthesis. The short balloon segment causes less local trauma to the vessel relative to a full length balloon. Another embodiment involves use of a self-expandable mesh to expand the surrounding prosthesis and secure it to the vessel wall. The self expandable mesh is less traumatic than a typical angioplasty balloon because of the lower radial forces applied and the relatively higher transverse flexibility of the mesh.
    • 提供了适用于血管假体输送系统的新方法,其克服了用于将血管内假体递送到高风险斑块位置的现有高压气囊的局限性。 一个实施例涉及一种短气囊段,其在假体的一端处被充气,然后被拉动以穿过假体的长度,扩张周围的假体并且当其穿过假体的长度时将其固定到血管壁。 短气囊段相对于全长气囊对血管造成更少的局部创伤。 另一个实施例涉及使用自扩张网来扩展周围假体并将其固定到血管壁。 由于施加较小的径向力和网格的相对较高的横向柔韧性,自膨胀网格比典型的血管成形术球囊创伤小。