| 摘要 |
A hemostat for restricting blood flow through a blood vessel for assisting hemostasis. An ultrasonic sensor is mounted with a pressure pad to sense rate of blood flow through the vessel when pressure is applied to obtain minimum bleeding with maximum flow through the vessel, without need for continual observation. The output signal of the sensor may be connected to an auditory signal or a visual display to free personnel from the site to perform other necessary tasks.
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