Electrode device and electrocardiographic measurement device

An electrocardiogram measurement system comprising:

• an electrocardiogram measurement device comprising:
• a band section configured to partially surround a neck portion of a measured person,
• a first lead electrode section provided on the band section, the first lead electrode section including a first lead electrode in electrical communication with a first voltage follower,
• a second lead electrode section provided on the band section, the second lead electrode section including a second lead electrode in electrical communication with a second voltage follower, and
• a reference electrode provided on the band section, the reference electrode in electrical communication with the first voltage follower and the second voltage follower;
• and
• an electrocardiogram signal processing device communicatively coupled to the electrocardiogram measurement device, the electrocardiogram signal processing device comprising:
• a differential amplifier in electrical communication with the first voltage follower and the second voltage follower and configured to provide an amplified electrocardiogram signal based on a difference in outputs of the first voltage follower and the second voltage follower, and
• an electric circuit section in electrical communication with the differential amplifier and configured to produce a filtered electrocardiogram signal based on the amplified electrocardiogram signal.

A method of generating amplified electrocardiogram signals, the method comprising:

• providing an electrocardiogram measurement device comprising:
• a band section configured to partially surround a neck portion of a measured person,
• a first lead electrode section provided on the band section, the first lead electrode section including a first lead electrode in electrical communication with a first voltage follower,
• a second lead electrode section provided on the band section, the second lead electrode section including a second lead electrode in electrical communication with a second voltage follower, and
• a reference electrode provided on the band section, the reference electrode in electrical communication with the first voltage follower and the second voltage follower;
• placing the band section around the neck portion of the measured person such that the reference electrode is in a vicinity of the vertebra prominens, the first lead electrode section is in a vicinity of the left carotid artery, and the second lead electrode section is in a vicinity of the right carotid artery;
• detecting a first electrocardiogram signal and a second electrocardiogram signal with the first lead electrode and the second lead electrodes, respectively;
• and
• amplifying the first electrocardiogram signal and the second electrocardiogram signal with the first voltage follower and the second voltage follower, respectively, to produce a first amplified electrocardiogram signals and a second amplified electrocardiogram signal, respectively.