Source: http://www.google.com/patents/US7918865?dq=%235,519,867
Timestamp: 2017-08-23 12:40:56
Document Index: 771222413

Matched Legal Cases: ['art 2', 'art 91', 'art 78', 'art 2', 'art 91', 'art 94', 'art 86', 'art 92']

Patent US7918865 - Apparatus and method for the ligation of tissue - Google Patents
A novel catheter-based system that ligates the left atrial appendage (LAA) on the outside of the heart, preferably using a combination of catheters and/or instruments, e.g., a guide catheter inserted into the interior of the left atrial appendage that may assist in locating the left atrial appendage...http://www.google.com/patents/US7918865?utm_source=gb-gplus-sharePatent US7918865 - Apparatus and method for the ligation of tissue
Publication number US7918865 B2
Application number US 11/400,714
Also published as US9522006, US20060253129, US20110144660, WO2006110734A2, WO2006110734A3
Publication number 11400714, 400714, US 7918865 B2, US 7918865B2, US-B2-7918865, US7918865 B2, US7918865B2
Inventors John R. Liddicoat, William E. Cohn
Patent Citations (260), Non-Patent Citations (198), Referenced by (28), Classifications (7), Legal Events (2)
US 7918865 B2
12. The method of claim 1, wherein positioning the constricting element around the neck is performed before expanding the balloon in the interior of the left atrial appendage.
a ligating subassembly comprising a plurality of expandable arms arranged in an arcuate configuration and releasably supporting a ligating element thereon, the ligating subassembly being slideably received within the hollow shaft and adapted to move between (i) a retracted position wherein the expandable arms are received within the hollow shaft, and (ii) an extended position wherein the expandable arms project from the distal end of the hollow shaft, with the expandable arms holding the ligating element radially outboard of the shaft when the ligating subassembly is in its second position.
a ligating subassembly comprising a plurality of expandable arms arranged in an arcuate configuration and releasably supporting a ligating element thereon, the ligating subassembly being slid ably received within the hollow shaft and adapted to move between (i) a retracted position wherein the expandable arms are received within the hollow shaft, and (ii) an extended position wherein the expandable arms project from the distal end of the hollow shaft, with the expandable arms holding the ligating element radially outboard of the shaft when the ligating subassembly is in its second position;
a ligating subassembly comprising a plurality of expandable arms arranged in an arcuate configuration and releasably supporting a ligating element thereon, the ligating subassembly being slideably received within the hollow shaft and adapted to move between (i) a retracted position wherein the expandable arms are received within the hollow shaft, and (ii) an extended position wherein the expandable arms project from the distal end of the hollow shaft, with the expandable arms holding the ligating element radially outboard of the shaft when the ligating subassembly is in its second position; and
a ligating subassembly comprising a plurality of expandable arms arranged in arcuate configuration and releasably supporting a ligating element thereon, the ligating subassembly being slideably received within the hollow shaft and adapted to move between (i) a retracted position wherein the expandable arms are received within the hollow shaft, and (ii) an extended position wherein the expandable arms project from the distal end of the hollow shaft, with the expandable arms holding the ligating element radially outboard of the shaft when the ligating subassembly is in its second position;
a guide catheter slideably mounted on the wire, comprising:
In another form of the invention, there is provided a method for closing a left atrial appendage of a patient's heart, said method comprising the steps of:
providing an elongate member having a proximal end, a distal end, and an expandable element located near the distal end;
making an incision on the patient and advancing the elongate member through the incision to a position adjacent the left atrial appendage;
inserting the elongate member through the epicardial tissue of the left atrial appendage into the interior of the left atrial appendage and advancing the elongate member to position the expandable element within the interior of the left atrial appendage;
expanding the expandable element within the interior of the left atrial appendage;
positioning a constricting element around a neck of the left atrial appendage; and
closing the constricting element around the neck of the left atrial appendage.
In another form of the invention, there is provided a device for closing a left atrial appendage of a patient's heart, comprising:
an elongate tubular member having a proximal end, a distal end, and a balloon located near the distal end;
an elongate instrument carrying a closure element for placement around a neck of the left atrial appendage; and
an elongate outer sheath having a proximal end, a distal end, and a lumen therebetween, the lumen adapted to slideably receive the elongate tubular member, the elongate instrument, and the closure element.
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Cooperative Classification A61B2017/00243, A61B17/12013, A61B17/00234
European Classification A61B17/12L2, A61B17/00E
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