Methods and devices for improving blood flow to a heart of a patient
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United States of America Patent
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-
Nov 23, 1999
Issued Date -
N/A
app pub date -
Dec 20, 1996
filing date -
Oct 17, 1996
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
One device in accordance with the present invention includes a surgical device for creating channels in tissue of a patient. The device includes a catheter defining a lumen and a transducer assembly carried by the catheter along a lengthwise dimension of the catheter. An end effector is operatively coupled to the transducer assembly and extends distally relative to the transducer assembly. The end effector has a vibrating channel-forming tip wherein the channel-forming tip is adapted to create channels in the heart of a patient. A method in accordance with the present invention includes the steps of inserting an end effector having a tip into a patient, placing the tip of the end effector in direct contact with a surface of the heart, energizing the end effector to cause the tip to vibrate, piercing through the surface of the heart with the tip to create a channel, and removing the end effector.
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