Tracee Eidenschink,Karl A. Jagger,Derek Sutermeister,Angela Kornkven Volk,Derek Wise,Matt Heidner
申请号：
US11481468
公开号：
US08694076B2
申请日:
2006.07.06
申请国别(地区):
US
年份:
2014
代理人:
摘要：
The invention relates to an expandable marker device having a pre-delivery state, a delivery state and at least one active region. The at least one active region incorporates electroactive polymer material. In addition, the expandable marker includes at least one radiopaque material to enhance observation through a medical imaging device.
