Tiziano Agostinelli,Kevin Lorimer,Quentin John Harmer
申请号：
US16256404
公开号：
US20190223975A1
申请日:
2019.01.24
申请国别(地区):
US
年份:
2019
代理人:
摘要：
A detection system and method uses an implantable magnetic marker comprising at least one piece of a large Barkhausen jump material (LBJ). The marker is deployed to mark a tissue site in the body for subsequent surgery, and the magnetic detection system includes a handheld probe to excite the marker below the switching field for bistable switching of the marker causing a harmonic response to be generated in a sub-bistable mode that allows the marker to be detected and localised. The marker implanted may also be shorter than the critical length required to initiate bistable switching of the LBJ material.
