George L. Coles, JR.,Sybil Klaus,Eric Jackson,Philippe M. Burlina,Richard S. Potember,Wayne I. Sternberger,John H. Benson,Benjamin Elder
申请号:
US14855534
公开号:
US20160074638A1
申请日:
2015.09.16
申请国别(地区):
US
年份:
2016
代理人:
摘要:
A ventriculoperitoneal shunt includes a proximal catheter, a distal catheter, a shunt valve operably coupling the proximal catheter to the distal catheter, and a contrast container containing contrast material configured to change acoustic impedance proportionally to a change in pressure applied to the contrast container.