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Electronic sphygmomanometer, Saitama, Japan, 1977
Jasco electronic sphygmomanometer, model J-108, mk II, plastic and metal, made by Japan Standard Corp., Saitama, Japan, 1977
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A sphygmomanometer measures blood pressure. To do so, a rubber cuff was inflated above the elbow to block the pulse in the lower arm. In modern sphygmomanometers, the cuff is pumped up and the pulse listened to with a stethoscope until the sound disappears. The technique was described by N. S. Korotkov (1874-1920) in 1905. This instrument is the model J-108, mk II. It was made by the Japan Standard Corporation. With this device, the disappearance of the pulse is detected electronically and registered by an audible signal.
- Measurements:
-
overall: 1.024 kg
overall (main part upright): 136 mm x 200 mm x 46 mm,
overall (stethoscope with rubber tube): 770 mm
overall (cuff rubber tube, appx): 910 mm
- Materials:
- plastic (unidentified) , metal (unknown) , rubber (unidentified) , glass , textile and velcro
- Object Number:
- 1979-336 Pt1
- type:
- sphygmomanometer
- Image ©
- The Board of Trustees of the Science Museum
