US 12,171,407 B2
Atherectomy catheter drive assemblies
Brian Y. Tachibana, Oakland, CA (US); Charles W. McNall, Cottonwood Heights, UT (US); Michael Zung, San Carlos, CA (US); Peter Howard Smith, Pacifica, CA (US); Brian Chiu, San Francisco, CA (US); Douglas Joseph Scott Bourne, Campbell, CA (US); and Priyanshu Gupta, Hornsby (AU)
Assigned to Avinger, Inc., Redwood City, CA (US)
Filed by Avinger, Inc., Redwood, CA (US)
Filed on Dec. 22, 2021, as Appl. No. 17/645,722.
Application 17/645,722 is a continuation of application No. 16/372,112, filed on Apr. 1, 2019, granted, now 11,206,975.
Application 16/372,112 is a continuation of application No. 15/162,391, filed on May 23, 2016, granted, now 10,244,934, issued on Apr. 2, 2019.
Application 15/162,391 is a continuation of application No. 14/400,151, granted, now 9,345,398, issued on May 24, 2016, previously published as PCT/US2013/032089, filed on Mar. 15, 2013.
Claims priority of provisional application 61/697,743, filed on Sep. 6, 2012.
Claims priority of provisional application 61/646,843, filed on May 14, 2012.
Prior Publication US 2022/0183545 A1, Jun. 16, 2022
Int. Cl. A61B 1/00 (2006.01); A61B 1/04 (2006.01); A61B 1/07 (2006.01); A61B 1/313 (2006.01); A61B 5/00 (2006.01); A61B 17/3207 (2006.01)
CPC A61B 1/04 (2013.01) [A61B 1/00066 (2013.01); A61B 1/00126 (2013.01); A61B 1/00133 (2013.01); A61B 1/0016 (2013.01); A61B 1/00165 (2013.01); A61B 1/07 (2013.01); A61B 1/3137 (2013.01); A61B 5/0066 (2013.01); A61B 17/320758 (2013.01)] 10 Claims
OG exemplary drawing
 
1. A drive assembly for driving an imaging catheter having a rotatable fiber and a rotatable drive shaft, the drive assembly comprising:
a drive assembly housing;
a rotary optical subassembly within the housing and comprising a fiber optic rotating junction having a stationary portion with a stationary fiber therein and a rotatable portion with a rotatable fiber therein; and
a linear slide within the housing, wherein the rotary optical subassembly rests on a translatable portion of the linear slide, the linear slide configured to translate the fiber optic rotating junction axially within the housing.