| 摘要 |
FIELD: medicine. ^ SUBSTANCE: device has phonendoscope head, acoustic chamber of which is connected to soundproof shell via flexible tube. The soundproof shell is protected with microphone from external noise. The microphone is connected to acoustic chamber with 10-100 mm long flexible tube. ^ EFFECT: high level of noise immunity; high accuracy and reliability in measuring arterial blood pressure. ^ 1 dwg |
