R. Michael Casanova,Dnyanesh A. Talpade,Chandrashekhar P. Pathak
申请号：
US15410869
公开号：
US09901415B2
申请日:
2017.01.20
申请国别(地区):
US
年份:
2018
代理人:
摘要：
An intracorporeal tissue marker includes a first material comprising a core region of the marker. The first material has a first density. A second material completely surrounds the first material. The second material is distinct from the first material and has a second density. The first density of the first material is lower than the second density of the second material.
