An ultrasound detectable instrument (10) includes bubble generating means comprising two elements (32a, 32b) which, upon contact with each other in the presence of a fluid, react with each other to produce gas bubbles which may be detected by sonic imaging equipment. The two elements comprise first and second radially displaced layers of said elements within a fluid permeable carrier material.
申请公布号
WO0066004(A1)
申请公布日期
2000.11.09
申请号
WO2000GB01451
申请日期
2000.04.17
申请人
BTG INTERNATIONAL LIMITED;KELLAR, EWEN, JAMES, CRAWFORD;TAVAKOLI, SEYED, MEHDI
发明人
KELLAR, EWEN, JAMES, CRAWFORD;TAVAKOLI, SEYED, MEHDI