Methods and devices for diastolic assist
OwnerMichael D. Laufer, Freddy Abnousiinventors
Life of this patent
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Abstract
The devices and method described herein allow for therapeutic damage to increase volume in these hyperdynamic hearts to allow improved physiology and ventricular filling and to reduce diastolic filling pressure by making the ventricle less stiff. For example, improving a diastolic heart function in a heart by creating at least one incision in cardiac muscle forming an interior heart wall of the interior chamber where the at least one incision extends into one or more layers of the interior heart wall without puncturing through the interior heart wall and the incision is sufficient to reduce a stiffness of the interior chamber to increase volume of the chamber and reduce diastolic filing pressure.
Claims22
A method of improving a diastolic heart function in a heart of a patient having diastolic heart dysfunction, the method comprising:
- positioning a medical device within a body of the patient;
- advancing the medical device into an interior chamber of the heart, where the interior chamber comprises at least one heart wall;
- and
- creating at least one longitudinal incision in the heart wall of the interior chamber, where the incision extends only partially through the heart wall and is sufficient to reduce a stiffness of the interior chamber to increase volume of the chamber and reduce diastolic filling pressure.
A method of increasing blood flow in a diseased heart, the method comprising:
- positioning a medical device within a body of the patient;
- advancing the medical device into an interior chamber of the heart;
- locating a target area of heart tissue;
- and
- creating at least one longitudinal incision in cardiac muscle of the heart tissue to decrease the stiffness of the interior chamber to permit the interior chamber to increase in volume during diastole where the incision only partially extends through a depth of the heart tissue.
A method of improving a diastolic heart function in a heart of a patient having diastolic heart dysfunction, the method comprising:
- positioning a medical device within a body of the patient;
- advancing the medical device into an interior chamber of the ea where the interior chamber comprises at least one heart wall;
- creating at least one incision in the heart wall of the interior chamber, where the incision extends only partially through the heart wall and is sufficient to reduce a stiffness of the interior chamber to increase volume of the chamber and reduce diastolic filling pressure;
- and
- inducing tachycardia of the heart.
A method of increasing blood flow in a diseased heart, the method comprising:
- positioning a medical device within a body of the patient;
- advancing the medical device into an interior chamber of the heart;
- locating a target area of heart tissue;
- creating at least one incision in cardiac muscle of the heart tissue to decrease the stiffness of the interior chamber to permit the interior chamber to increase in volume during diastole where the incision only partially extends through a depth of the heart tissue;
- and
- inducing tachycardia of the heart.
Dependencies are inferred from the claim text.