IP Library › Granted Patent US 12,239,523
Granted Patent B2
US 12,239,523 · App. 17/694,206 · Granted Mar 4, 2025

Catheter with integrated embolic protection device

Inventors: Scott M. Russell (Santa Cruz, CA); Amir Belson (Cupertino, CA); Stephen J. Kleshinski (Fremont, CA); Masao Drexel (Santa Cruz, CA)
Assignee: Emboline, Inc.
A61F2/013A61F2/2433A61F2002/015A61F2002/016A61F2002/825A61F2210/0014A61F2230/0067A61F2250/0048
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Quick Facts
Patent No.
US 12,239,523
App. No.
17/694,206
Granted
Mar 4, 2025
Kind
B2
Abstract

A prosthetic heart valve delivery catheter includes an embolic filter to provide integrated embolic protection to inhibit the release of emboli into the aorta, the aortic arch or branch vessels, and other vasculature during transvascular heart valve replacement procedures. The embolic filter will usually be fixedly or movably attached to a shaft of the delivery catheter proximal of the prosthetic heart valve.

Claims (10)

1. A prosthetic heart valve delivery catheter having integrated embolic protection, said catheter comprising:

a catheter shaft having a distal portion;

an expandable balloon on the distal portion of the catheter shaft;

a prosthetic valve disposed on the expandable balloon on the distal portion of the catheter shaft; and

an embolic filter disposed on the distal portion of the shaft at a location proximal of the prosthetic valve, said embolic filter having a collapsed configuration and a deployed configuration wherein an outer periphery of the filter is configured to contact a blood vessel wall;

wherein the embolic filter comprises a cylindrical wall having an open distal end unattached to the shaft and a closed proximal end sealing coupled to the catheter shaft, wherein a proximal region of the cylindrical wall is movably everted and allows the open distal end to axially translate relative to the catheter shaft while the closed proximal end remains stationary relative to the catheter shaft.

2. The catheter of claim 1 , wherein the closed proximal end is fixed to the catheter shaft.

3. The catheter of claim 1 , wherein the closed proximal end is slidably coupled to the catheter shaft.

4. The catheter of claim 1 , wherein at least the distal portion of the cylindrical wall is self-expanding.

5. The catheter of claim 1 , wherein at least the distal portion of the cylindrical wall comprises a self-expanding filter.

Assignments (2)
INTELLECTUAL PROPERTY SECURITY AGREEMENT Recorded Mar 3, 2026
From: EMBOLINE, INC.
To: TRINITY CAPITAL INC.
Reel/Frame 075021/0909 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded May 16, 2022
From: RUSSELL, SCOTT M.; BELSON, AMIR; KLESHINSKI, STEPHEN J.; DREXEL, MASAO
To: EMBOLINE, INC.
Reel/Frame 059921/0960 →
Continuity (4)
Continuation 16790118 · Feb 13, 2020
Provisional Application 62844941 · May 8, 2019
Provisional Application 62804909 · Feb 13, 2019
Related Publication 20220265414A1 · Aug 25, 2022
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