| 摘要 |
PROBLEM TO BE SOLVED: To provide an ultrasound receive beamformer to track, in real time, a catheter, needle or other surgical tool within an image of a region of interest.SOLUTION: An ultrasound receive beamformer is configured for one-way only beamforming 112 of transmissive ultrasound using one-way delays. A tool has embedded at its tip a small ultrasound transmitter or receiver for transmitting or receiving the transmissive ultrasound. Optionally, additional transducers are fixed along the tool to determine the orientation of the tool. |
