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Respiratory flow sensor with flow channel having a measuring transducer and air resistance body

  • US 6,742,399 B2
  • Filed: 05/01/2001
  • Issued: 06/01/2004
  • Est. Priority Date: 07/19/2000
  • Status: Expired due to Fees
First Claim
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1. A respiratory flow sensor, comprising:

  • a flow channel;

    a measuring transducer in said flow channel, said measuring transducer for measuring breathing gas volume flow;

    an air resistance body in said flow channel, said air resistance body having a blunt end and having an opposite pointed end, said air resistance body being arranged between said measuring transducer and a patient-side end of the respiratory flow sensor, said pointed end of said first air resistance body pointing toward said measuring transducer; and

    a second air resistance body with a pointed end, said second air resistance body being arranged between said measuring transducer and an end of the respiratory flow sensor which end is away from the patient, wherein second air resistance body pointed end also points toward said measuring transducer.

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