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    • 7. 发明授权
    • Device for atraumatic access to the blood circuit
    • 用于无创进入血液回路的装置
    • US4654033A
    • 1987-03-31
    • US718379
    • 1985-04-01
    • Didier LapeyreJean-Pierre Slonina
    • Didier LapeyreJean-Pierre Slonina
    • A61L29/12A61M1/00A61M5/00
    • A61M39/0247A61L29/123A61M2039/0258A61M2039/0261A61M2039/027A61M2039/0276Y10S604/905
    • A device for a traumatic access to a blood vessel of a living organism through the cutaneous surface thereof. The device includes in combination an implantable device comprising a tubular segment for access to the blood vessel; a valving element for the tubular segment; a mechanism for controlling the blood flow through the valving element; a cover for sealing the proximal end of the tubular segment in the absence of the blood control mechanism; and a porous coating adapted to be colonized by tissue ingrowth and at least partially surrounding the implantable device. The porous coating is formed from a carbon-carbon composite material comprising a reinforcement formed from a carbon fiber porous substrate embedded in a carbonaceous matrix design to densify only partially the fiber substrate while connecting the carbon fibers together.
    • 用于通过其皮肤表面创伤地进入活生物体的血管的装置。 该装置组合包括可植入装置,其包括用于进入血管的管状部分; 用于管状段的阀元件; 用于控制通过阀元件的血液流动的机构; 在没有血液控制机构的情况下用于密封管状段的近端的盖; 以及适于被组织向内生长并至少部分地围绕可植入装置的多孔涂层。 多孔涂层由碳 - 碳复合材料形成,该碳 - 碳复合材料包括由碳质基体设计的碳纤维多孔基材形成的增强材料,以在将碳纤维连接在一起的同时只将部分纤维基材致密化。