US Patent No: 5,067,491

Number of patents in Portfolio can not be more than 2000

Barrier coating on blood contacting devices

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Abstract

A blood pressure monitoring device includes a pressure sensing element mounted or a probe tip or in a catheter tip adapted for insertion into a patient's blood stream. The element includes a pressure transducer having a micromachined diaphragm which flexes in response to pressure changes. The flexes are converted by the transducer to electrical signals which pass back through the catheter to a display. The element and the catheter are conformally coated with a thin layer of parylene which insulates the device from the deleterious effects which blood components such as water and ions would otherwise have on various components of the device.

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First Claim

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Patent Owner(s)

Patent OwnerAddressTotal Patents
BECTON, DICKINSON AND COMPANYFRANKLIN LAKES, NJ2398

International Classification(s)

  • [Classification Symbol]
  • [Patents Count]

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Taylor, II Maylon S Raleigh, NC 1 223
Williams, Joel L Cary, NC 39 1026

Cited Art

Patent Info (Count) # Cites Year
 
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KABUSHIKI KAISHA TOYOTA CHUO KENKYUSHO (1)
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4,785,822 Disposable intracompartmental pressure transducer 41 1987
 
OTHER [CHECK PATENT PROFILE FOR ASSIGNMENT INFORMATION] (1)
4,349,467 Nonthrombogenic articles and method of preparation 26 1979

Patent Citation Ranking

Forward Cites

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