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Methods and devices for retrieval of a medical agent from a physiological efferent fluid collection site

  • US 7,211,073 B2
  • Filed: 03/17/2004
  • Issued: 05/01/2007
  • Est. Priority Date: 03/18/2003
  • Status: Expired due to Fees
First Claim
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1. A method for removing contrast agent from a physiological efferent fluid collection site of a body, said method comprising:

  • introducing a non-occlusive aspiration element to a target site at least proximal to said physiological efferent fluid collection site; and

    activating said aspiration element when said contrast agent is at least predicted to be present in said target site to selectively remove fluid comprising said contrast agent from said physiological efferent fluid collection site;

    wherein said aspiration element does not occlude said target site when activated and said removed fluid is not returned to the body.

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