Jeffrey Smok,Sheela Blaise,Sean James Coyle,Lauren Mayer,Matt Schurmann,Daniel Velez,Bruce McNair,Vikki Hazelwood
申请号:
US13803921
公开号:
US20130197367A1
申请日:
2013.03.14
申请国别(地区):
US
年份:
2013
代理人:
摘要:
A apparatus and a method are disclosed for transmitting a signal directed to a blood vessel via a Doppler ultrasound waveform apparatus, receiving, by the Doppler ultrasound waveform apparatus, a reflected signal from the blood vessel and determining, by a processing device, whether the blood vessel is an artery or a vein based on a blood flow velocity in the blood vessel.