Electric air pressure tourniquet
A tourniquet and air pressure technology, applied in tourniquet, vascular evaluation, cardiac catheterization, etc., can solve the problems of difficulty in arterial fluctuation detection, unsuccessful measurement, affecting measurement accuracy, etc., and achieve the effect of simple and reliable equipment and short measurement time.
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[0046] exist figure 1 Among them, the electro-pneumatic tourniquet includes a hemostatic collar 12, a pressure sensing device 13, a static pressure filtering device 16, an arterial pulsation filtering device 17, a controller 18, a pressurizing device 14 and a decompressing device 15.
[0047] The hemostatic cuff 12 is tied to a specific part of the patient's limb 11 , and is connected to the pressure sensing device 13 , the pressure device 14 and the decompression device 15 through the hemostatic cuff sleeve 10 . The pressurizing device 14 may be an air pump, and receives the control signal from the pressure regulating device 30 to provide pressurized air to the hemostatic annulus 12 . The pressure reducing device 15 may be a solenoid valve or a set of solenoid valves, receiving a control signal from the pressure regulating device 30, to discharge the pressurized air from the hemostatic cuff 12, thereby controlling the air pressure in the hemostatic cuff 12.
[0048] like fi...
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