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Adaptive pump control during non-invasive blood pressure measurement

A technology of blood pressure and pressure, applied in the field of adaptive pump control during non-invasive blood pressure measurement, which can solve the problems of patient discomfort, time wasting, prolonging the measurement time, etc.

Inactive Publication Date: 2011-06-22
GENERAL ELECTRIC CO
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

These situations waste time and cause patient discomfort
[0005] Therefore, if the initial inflation pressure is chosen to be substantially higher than the patient's systolic blood pressure, the NIBP system over-inflates the blood pressure cuff, causing patient discomfort and prolonged measurement times

Method used

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  • Adaptive pump control during non-invasive blood pressure measurement
  • Adaptive pump control during non-invasive blood pressure measurement
  • Adaptive pump control during non-invasive blood pressure measurement

Examples

Experimental program
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Embodiment Construction

[0023] figure 1 A non-invasive blood pressure (NIBP) monitoring system 10 is shown generally. NIBP monitoring system 10 includes blood pressure cuff 12 placed on arm 14 of patient 16 . Blood pressure cuff 12 may be inflated and deflated for occluding the brachial artery of patient 16 in a fully inflated condition. When the blood pressure cuff 12 is deflated using the deflation valve 18 with the deflation tube 20, the arterial blockage is gradually released. The deflation of the blood pressure cuff 12 by the deflation valve 18 is controlled by the central controller 22 through the control line 24 .

[0024] A pressure transducer 26 is coupled to blood pressure cuff 12 by tubing 28 for sensing pressure in cuff 12 . Pressure transducer 26 is used to sense pressure oscillations in cuff 12 generated by pressure changes in the brachial artery beneath the cuff, according to conventional oscillometric techniques. The electrical oscillating pulses from the pressure transducer 26 ar...

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Abstract

A method of operating a non-invasive blood pressure (NIBP) monitor (10) having a blood pressure cuff. During operation of the NIBP monitor (10), the blood pressure cuff (12) is initially inflated at a rapid inflation rate (74). Once the blood pressure cuff (12) reaches a first pressure, the inflation rate of the blood pressure cuff (12) is reduced from the rapid inflation rate (74) to a measurement inflation rate (76). The blood pressure cuff (12) continues to inflate at the measurement inflation rate while the NIBP monitor (10) receives signals from the patient. Based upon the signals received from the patient, the controller (22) of the NIBP monitor (10) calculates an initial inflation pressure (82). The blood pressure cuff (12) is inflated to the calculated initial inflation pressure (82) and inflation is terminated. In this manner, signals received from the patient during inflation are used to calculate the initial inflation pressure (82) to reduce the amount of time required to make a blood pressure measurement.

Description

technical field [0001] In general, the present disclosure relates to methods of controlling inflation of a blood pressure cuff to enhance the performance of a non-invasive blood pressure (NIBP) system. More specifically, the present disclosure relates to methods of varying the inflation rate of a blood pressure cuff to enhance measurement of a patient's blood pressure. Background technique [0002] The oscillometric method of measuring blood pressure involves placing an inflatable cuff around an extremity of the patient's body, such as the patient's upper arm. During use of a conventional non-invasive blood pressure (NIBP) monitoring system, the cuff is inflated to an initial inflation pressure, which is slightly above the patient's systolic blood pressure. The cuff is then gradually deflated, and the pressure transducer detects pressure fluctuations or oscillations in the cuff pressure along with the beat-to-beat pressure changes in the arteries under the cuff. Data from ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61B5/022
CPCA61B5/02141A61B5/02225A61B5/02255A61B5/1455A61B5/0225
Inventor R.F.唐胡R.梅德罗
Owner GENERAL ELECTRIC CO
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