发明授权
- 专利标题: Hemostatic unit for measuring arterivenous bloodstreams
- 专利标题(中): 用于测量动脉血流的止血单元
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申请号: US377331申请日: 1989-07-10
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公开(公告)号: US4962764A公开(公告)日: 1990-10-16
- 发明人: Mitsuma Matsumura
- 申请人: Mitsuma Matsumura
- 申请人地址: JPX
- 专利权人: Nikki Co., Ltd
- 当前专利权人: Nikki Co., Ltd
- 当前专利权人地址: JPX
- 优先权: JPX63-115015[U] 19880902
- 主分类号: A61B5/022
- IPC分类号: A61B5/022 ; A61B5/0235 ; A61B5/0295
摘要:
A hemostatic unit for the determination of arteriovenous bloodstreams comprises a flat cuff (15) having a length sufficient to be wound by about one and a half turns around the region to be measured and being chargeable with compressed air, a pump (11, 21) for feeding said compressed air into said cuff (15), a pressure regulating valve (13, 23) for regulating the pressure of said compressed air, an air supply/discharge circuit for connecting an outlet (11a, 21a) of said pump (11, 21) to an air inlet (15b) of said cuff (15), and an air suction circuit branching out of said air supply/discharge circuit and connected to an inlet of said pump (11, 21). The unit further includes an electromagnetic valve (12, 22, 22') provided in said air/supply circuit and said air suction circuit with its given valve port being in open communication with the atmosphere.
公开/授权文献
- US4502313A Tooling adjustment 公开/授权日:1985-03-05