Shock wave valvuloplasty with multiple balloons
Inventors
Assignees
Interested in licensing this patent?
MTEC can help explore whether this patent might be available for licensing for your application.
Publication Number
US-12310605-B2
Publication Date
2025-05-27
Expiration Date
Abstract
Described herein are shock wave devices and methods for the treatment of calcified heart valves. One variation of a shock wave device includes three balloons that are each sized and shaped to fit within a concave portion of a valve cusp when inflated with a liquid and a shock wave source within each of the three balloons. Each balloon is separately and/or independently inflatable, and each shock wave source is separately and/or independently controllable. Methods of treating calcified heart valves using a shock wave device can include advancing a shock wave device having one or more balloons and a shock wave source in each of the balloons to contact a heart valve, inflating the one or more balloons with a liquid such that the balloon is seated within a concave portion of a valve cusp, and activating the shock wave source.
Core Innovation
The invention relates to shock-wave valvuloplasty for breaking calcium deposits within a cardiovascular system of a patient. The device uses a catheter and an elongate member translatable within the catheter, where a distal end of the elongate member carries a shock wave source with at least two shock wave generators located along a side of the elongate member.
The shock wave source is movable within an inflatable balloon while being driven by an actuator. The inflatable balloon surrounds the shock wave source and may be filled with a liquid to transmit shock forces to calcium deposits, with embodiments using independently inflatable balloons and separately or independently activatable shock wave sources for treatment of valve cusps.
The device seats the shock wave source in a concave portion of a valve cusp and/or an aortic sinus region. The description also includes catheter deployment via a retrograde guide catheter, stand-off structures that maintain a desired spacing to preserve coronary artery openings, and implementations using an electrode pair and a high voltage pulse generator, or optical fiber/laser implementations.
Claims Coverage
The provided independent claims are clm-00001 and clm-00018. They are centered on a catheter-based shock-wave system for breaking calcium deposits using a distal shock wave source with at least two shock wave generators along a side of an elongate member, where the shock wave source is surrounded by an inflatable balloon and moved by an actuator; clm-00018 additionally recites a pulse generator connected to the shock wave source.
Catheter with translatable elongate member carrying distal shock wave source with multiple generators
A catheter and an elongate member translatable within the catheter, the distal end of the elongate member comprising a shock wave source that comprises at least two shock wave generators located along a side of the elongate member.
Movable shock wave source within an inflatable balloon driven by an actuator
An inflatable balloon that surrounds the shock wave source, the shock wave source being movable within the inflatable balloon, and an actuator configured to move the shock wave source.
Pulse generator connected to the shock wave source
A system further comprising a pulse generator connected to the shock wave source.
Across the independent claims, the core claim coverage is a catheter-based distal shock-wave source having at least two generators along a side of an elongate member, where the shock wave source is movable within an inflatable balloon and is driven by an actuator; the system embodiment additionally includes a pulse generator connected to the shock wave source.
Stated Advantages
Documented Applications
Shock-wave valvuloplasty for calcified heart valves, including breaking calcium deposits within a cardiovascular system of a patient.
Interested in licensing this patent?