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Apparatus and method for vascular access

  • US 10,368,837 B2
  • Filed: 04/06/2016
  • Issued: 08/06/2019
  • Est. Priority Date: 05/06/2005
  • Status: Active Grant
First Claim
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1. An endovascular device, comprising:

  • a torquable elongate body sized for insertion into the vasculature, the torquable elongate body having a proximal end and a distal end terminating in a distal tip;

    a sensor on the distal end of the torquable elongate body, the sensor configured to measure a characteristic of blood flow within a blood vessel;

    a structure on or in the torquable elongate body that is configured to radially expand to move the distal tip of the torquable elongate body away from a peripheral inner surface of the blood vessel while maintaining blood flow within the blood vessel when the structure is radially expanded within the blood vessel; and

    a signal processor connected to the sensor and the structure, the signal processor being configured to;

    receive the measured characteristic of blood flow within the blood vessel,determine that the sensor is within a minimum lateral distance from the peripheral inner surface when the peripheral inner surface is peripheral of the sensor based on the measured characteristic of blood flow within the blood vessel, andcause active manipulation of the structure to move the distal tip of the torquable elongate body laterally away from the peripheral inner surface of the blood vessel to the minimum lateral distance to avoid measuring the characteristic of blood flow at a periphery of the blood vessel.

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