Sphygmomanometer, method for controlling sphygmomanometer, and method for detecting effective pulse wave

A sphygmomanometer comprising:

• a cuff configured to wind around a region to be measured;
• an electric machine configured to inflate air into the cuff for pressurization:
• and a processor, wherein the processor is configured to:
• select a pulse wave controlling parameter and set an initial pulse wave controlling parameter, wherein the pulse wave controlling parameter includes at least one of an amplitude threshold, a time threshold, or a heart rate threshold;
• continuously correct the initial pulse wave controlling parameter during the pressurization of the electric machine based on the initial pulse wave controlling parameter and a pulse wave determined based on the initial pulse wave controlling parameter, and extract at least one effective pulse wave based on the initial pulse wave controlling parameter after the correction;
• and
• generate a blood pressure measurement result based on a detection result of the at least one effective pulse wave.

A method for detecting an effective pulse wave, comprising:

• selecting a pulse wave controlling parameter, wherein the pulse wave controlling parameter includes at least one of an amplitude threshold, a time threshold, or a heart rate threshold;
• setting an initial pulse wave controlling parameter;
• determining at least one pulse wave based on the initial pulse wave controlling parameter:
• determining a corrected initial pulse wave controlling parameter by correcting the initial pulse wave controlling parameter based on at least one pulse wave controlling parameter of the at least one pulse wave;
• determining at least one subsequent pulse wave based on the corrected initial pulse wave controlling parameter;
• further correcting the corrected initial pulse wave controlling parameter based on at least one pulse wave controlling parameter of the at least one subsequent pulse wave;
• repeating above iterative process and continuously correcting the initial pulse wave controlling parameter;
• and
• extracting at least one effective pulse wave based on the initial pulse wave controlling parameter after the correction.