US 11,850,139 B2
Embolic protection basket apparatus
Mark Christopher Scheeff, San Francisco, CA (US); and Anant V. Hegde, Hayward, CA (US)
Assigned to C.R. BARD, INC., Murray Hill, NJ (US)
Filed by C.R. BARD, INC., Murray Hill, NJ (US)
Filed on Apr. 15, 2021, as Appl. No. 17/231,759.
Application 17/231,759 is a continuation of application No. 16/082,119, granted, now 11,007,045, previously published as PCT/US2017/020452, filed on Mar. 2, 2017.
Claims priority of provisional application 62/302,491, filed on Mar. 2, 2016.
Prior Publication US 2021/0228328 A1, Jul. 29, 2021
This patent is subject to a terminal disclaimer.
Int. Cl. A61F 2/01 (2006.01); A61F 2/24 (2006.01)
CPC A61F 2/0108 (2020.05) [A61F 2/013 (2013.01); A61F 2/2433 (2013.01); A61F 2002/018 (2013.01); A61F 2250/001 (2013.01)] 20 Claims
OG exemplary drawing
 
1. An aortic embolic filter apparatus, comprising:
a) an elongated catheter having a length, proximal and distal end portions and a catheter lumen with a catheter central, longitudinal axis;
b) a pair of spaced apart hubs, at least one said hub being a catheter hub mounted on the catheter, the other hub being a tip hub attached to the catheter end spaced distally of the catheter hub;
c) a filter basket attached to the hubs and positioned distally of the catheter hub;
d) the filter basket including multiple fixed supports that each span from the catheter hub to the tip hub, each fixed support having first and second fixed support ends that are fixedly attached to said hubs wherein the first fixed end is attached to the catheter hub, and the second fixed end is attached to the tip hub;
e) a filter material that is supported by the fixed supports, said filter material having concave and convex surfaces, first and second edge portions, and an opening that spans most of the distance between the hubs and in between the filter material first and second edge portions;
f) wherein the catheter hub has an opening and further comprising a movable support that is longer than each fixed support and fixed to the tip hub and movable relative to the catheter hub, said movable support slidably mounted to the catheter hub at said opening, wherein said movable support is selectively movable to provide a curved portion that is spaced away from said catheter central, longitudinal axis;
g) said filter material spaced away from the movable support;
h) an operator that enables the movable support to change length between the hubs and to provide more or less of a curvature to the curved portion of the movable support and to the filter basket; and
i) wherein the fixed supports do not change length between the hubs when the movable support changes length.