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EXPANDABLE TIP ASSEMBLY FOR THROMBUS MANAGEMENT

  • US 20110160757A1
  • Filed: 12/29/2010
  • Published: 06/30/2011
  • Est. Priority Date: 10/17/2007
  • Status: Abandoned Application
First Claim
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1. An expandable tip assembly, comprising:

  • an elongate member;

    a self-expanding scaffold coupled to a distal end of the elongate member, the scaffold being adapted to radially expand from a non-expanded configuration to an expanded configuration and adapted to transition from the expanded configuration to the non-expanded configuration upon sheathing of the scaffold;

    wherein the scaffold comprises a plurality of open cells defined by struts and connected by bridges;

    wherein each strut has two ends, with each end connected to one of the bridges,wherein each bridge is connected to four struts;

    wherein the struts and the bridges have varying thickness to impart flexibility to the scaffold;

    wherein the scaffold has a chronic outward force (COF) per unit length that does not decrease by more than 75% from a diameter of 1.5 mm to a diameter of 4.5 mm; and

    wherein the open cells have a cell size of about 5 mm by about 3 mm.

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