Eric Johnson,Thomas J. Fogarty,Frank Arko,Jeff Elkins,Martin Seery
申请号:
US13931462
公开号:
US09463038B2
申请日:
2013.06.28
申请国别(地区):
US
年份:
2016
代理人:
摘要:
In one embodiment of the present invention there is provided a filter having a first support member having a first end and a second end; a second support member joined to the first support member at the first end and positioned adjacent the first support member to form a support frame; a material capture structure within the support frame; and a retrieval feature on the first end and on the second end. In one aspect, the first support member or the second support member has a spiral shape.