20240032812. DILUTION CURVE COMPENSATION IN FLOW RATE CALCULATION simplified abstract (Transonic Systems Inc.)

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DILUTION CURVE COMPENSATION IN FLOW RATE CALCULATION

Organization Name

Transonic Systems Inc.

Inventor(s)

Nikolai M. Krivitski of Ithaca NY (US)

Emily Cirulnick of Ithaca NY (US)

DILUTION CURVE COMPENSATION IN FLOW RATE CALCULATION - A simplified explanation of the abstract

This abstract first appeared for US patent application 20240032812 titled 'DILUTION CURVE COMPENSATION IN FLOW RATE CALCULATION

Simplified Explanation

The abstract describes a catheter and introducer sheath assembly used for measuring flow rate in a conduit using dilution methods. The catheter and sheath are aligned to allow an indicator to be introduced into the flow to be measured. The temperature of the indicator is determined by extrapolating or estimating from the temperature curve of a sensor on the catheter and the thermal properties of the sensor, catheter, or both. The flow rate is estimated based on the area of the dilution bolus and the return to baseline of the dilution bolus.

  • The catheter and introducer sheath assembly is designed to measure flow rate in a conduit using dilution methods.
  • An indicator is introduced into the flow to be measured by passing it through the volume defined by the catheter and sheath.
  • The temperature of the indicator is determined by analyzing the temperature curve of a sensor on the catheter and the thermal properties of the sensor, catheter, or both.
  • The flow rate in the conduit is estimated based on the area of the dilution bolus and the return to baseline of the dilution bolus.

Potential Applications:

  • Medical procedures requiring accurate flow rate measurements in conduits, such as blood vessels or catheters.
  • Monitoring and controlling fluid flow in industrial processes.

Problems Solved:

  • Provides a method for accurately measuring flow rate in a conduit using dilution methods.
  • Overcomes the limitations of traditional flow rate measurement techniques.

Benefits:

  • Provides a non-invasive and minimally disruptive method for measuring flow rate.
  • Allows for real-time monitoring and control of fluid flow.
  • Can be used in various medical and industrial applications.


Original Abstract Submitted

a catheter and introducer sheath assembly is provided for measuring a flow rate in a conduit by dilution methods. the catheter is configured to engage the introducer sheath in a predetermined alignment, where an indicator is passed through a volume defined by an exterior of the catheter and an interior of the introducer sheath to be introduced into the flow to be measured. the determination of the indicator temperature is extrapolated or estimated from (i) an observed temperature curve of an indicator sensor on the catheter that records a substitution of warmed fluid in the sheath by the introduced indicator and (ii) a pre-examined, predetermined or identified thermal properties or characteristics of the sensor, the catheter, or the sensor and catheter. the determination of the flow rate in the conduit is estimated using (i) the area of the dilution bolus and (ii) the return to baseline of the dilution bolus.

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