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Assembly for positioning diagnostic devices in a biological vessel

  • US 4,966,148 A
  • Filed: 12/19/1988
  • Issued: 10/30/1990
  • Est. Priority Date: 11/14/1986
  • Status: Expired due to Term
First Claim
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1. An assembly for positioning a plurality of devices in a region of a biological fluid-carrying vessel, the assembly comprising:

  • an elongated, flexible guidewire adapted for insertion in the vessel and having a distal end positionable proximate the region;

    a first device adapted for engaging the guidewire and positionable in the region, the device includingan elongated body,elongated coupling structure depending from the body for at least a portion thereof and having a longitudinally oriented passage for slidably receiving the guidewire and adapted for positioning the first device on the guidewire in the region of the vessel,an elongated catheter coupled to the body in longitudinal alignment therewith;

    a second device adapted for engaging the guidewire and positionable in the region, the device includingan elongated body,elongated coupling structure depending from the body for at least a portion thereof and having a longitudinally oriented passage for slidably receiving the guidewire and adapted for positioning the second device on the guidewire in the region of the vessel,an elongated catheter coupled to the body in longitudinal alignment therewith;

    the coupling structures being adapted for concurrently positioning both devices on the guidewire in the region of the vessel,at least one of the devices comprising a diagnostic sensor adapted for measuring in vivo a fluid characteristic.

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