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Donehoo
Robert F. Donehoo, Colgate, WI US
| Patent application number | Description | Published |
|---|---|---|
| 20100249616 | NIBP TARGET INFLATION PRESSURE AUTOMATION USING DERIVED SPO2 SIGNALS - A method and system for operating a non-invasive blood pressure monitor that utilizes an SpO | 09-30-2010 |
Robert F. Donehoo, Lutz, FL US
| Patent application number | Description | Published |
|---|---|---|
| 20090209868 | Adaptive Frequency Domain Filtering for Improved Non-Invasive Blood Pressure Estimation - A system for processing oscillometric data from a plurality of pressure steps to determine the blood pressure of a patient as disclosed herein. A heart rate monitor connected to the patient acquires the patient's heart rate. A time to frequency domain converter receives oscillometric data and converts the oscillometric data into the frequency domain. A harmonic frequency calculator is connected to the heart rate monitor and derives at least the heart rate fundamental frequency. A filter connected to the time to frequency domain converter and the harmonic frequency calculator that produces a filter frequency domain oscillometric signal. A reconstruction calculator receives the filtered frequency domain oscillometric signal and reconstructs a time domain oscillometric signal. A method of computing an oscillometric envelope for use in determining the blood pressure of a patient is also disclosed herein. | 08-20-2009 |
Robert F. Donehoo, Milwaukee, WI US
| Patent application number | Description | Published |
|---|---|---|
| 20110152650 | ADAPTIVE PUMP CONTROL DURING NON-INVASIVE BLOOD PRESSURE MEASUREMENT - A method of operating a non-invasive blood pressure (NIBP) monitor having a blood pressure cuff. During operation of the NIBP monitor, the blood pressure cuff is initially inflated at a rapid inflation rate. Once the blood pressure cuff reaches a first pressure, the inflation rate of the blood pressure cuff is reduced from the rapid inflation rate to a measurement inflation rate. The blood pressure cuff continues to inflate at the measurement inflation rate while the NIBP monitor receives signals from the patient. Based upon the signals received from the patient, the controller of the NIBP monitor calculates an initial inflation pressure. The blood pressure cuff is inflated to the calculated initial inflation pressure and inflation is terminated. In this manner, signals received from the patient during inflation are used to calculate the initial inflation pressure to reduce the amount of time required to make a blood pressure measurement. | 06-23-2011 |