| 摘要 |
The present invention discloses a portable wrist hemadynamometer which is worn on a wrist to be portable at all times, and a blood pressure sensing unit and a pressure measurement module for the hemadynamometer. The wrist hemadynamometer according to the present invention comprises: a blood pressure sensing unit which contacts the surface of a wrist to measure the blood pressure of a subject; a wrist strap, coupled to the blood pressure sensing unit, for fastening the blood pressure sensing unit to the wrist of the subject; and a display unit for outputting the blood pressure value of the subject which is measured by the blood pressure sensing unit. The blood pressure sensing unit comprises: a case; an air bag which is provided on the case to be expandable so as to pressurize the surface of the wrist; and a pumping chamber provided on the upper side of the case to be in communication with the air bag, which expands the air bag while being constricted by external pressure applied from the upper side to the lower part of the case, and draws in external air while expanding when the external pressure is removed. The blood pressure sensing unit is configured such that a groove (a bottom groove) is formed on the bottom of the case, and the air bag is provided on the bottom groove to be covered by the case. According to the present invention, the hemadynamometer is worn at all times like a wrist watch to be capable of conveniently measuring blood pressure, when necessary, in a one-push motion with one hand only, thereby facilitating operation, simplifying the structure thereof, and reducing manufacturing costs. |
