The sonographic appearance and contrast
✍
Dr. R. Heckemann; K. J. Seidel
📂
Article
📅
1983
🏛
John Wiley and Sons
🌐
English
⚖ 498 KB
Investigations on the ultrasonic appearance of puncture needles in vitro and in vivo are reported. The images from the waterbath phantom correspond closely to those seen in the human body. The surfaces of smooth puncture needles reflect the ultrasonic beam so that, in most cases, the shaft is not vi