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Deford
John A. Deford, Long Valley, NJ US
| Patent application number | Description | Published |
|---|---|---|
| 20090240248 | Methods and Apparatus for Ablation of Cardiac Tissue - Embodiments of the invention relate to electrophysiology catheters and methods of using the same. According to one embodiment, a method of treating a cardiac arrhythmia comprises forming a first lesion about a source of an electrical signal in the heart, the first lesion having an open first perimeter, and forming a second lesion about the source of the electrical signal in the heart. The second lesion has an open second perimeter and is located closer to the source of the electrical signal than the first lesion. The first lesion is discontinuous from the second lesion, and at least the first and second lesions together form a closed, at least substantially complete conduction block. According to other embodiments, catheters are provided for performing this and other methods. | 09-24-2009 |
John A. Deford, Cleveland, OH US
| Patent application number | Description | Published |
|---|---|---|
| 20090157169 | IMPLANTABLE VASCULAR DEVICE - A multiple-sided medical device comprises a frame comprising wire or other resilient material and having a series of bends and interconnecting sides. The device has both a flat configuration and a second, folded configuration which a generally serpentine shape. The device is pushed from a delivery catheter into the lumen of a duct or vessel and may include one or more barbs for anchoring purposes. A full or partial covering of fabric or other flexible material such as DACRON, PTFE, or a collagen-based material such as small intestinal submucosa (SIS), may be sutured or attached to the frame using heat or pressure welding crimping, adhesive, or other techniques to form an occlusion device, a stent graft, or an implantable, intraluminal valve such as for correcting incompetent veins in the lower legs and feet. | 06-18-2009 |
John A. Deford, Bloomington, IN US
| Patent application number | Description | Published |
|---|---|---|
| 20090048662 | IMPLANTABLE VASCULAR DEVICE - A multiple-sided medical device comprises a frame comprising wire or other resilient material and having a series of bends and interconnecting sides. The device has both a flat configuration and a second, folded configuration which a generally serpentine shape. The device is pushed from a delivery catheter into the lumen of a duct or vessel and may include one or more barbs for anchoring purposes. A full or partial covering of fabric or other flexible material such as DACRON, PTFE, or a collagen-based material such as small intestinal submucosa (SIS), may be sutured or attached to the frame to form an occlusion device, a stent graft, or an implantable, intraluminal valve such as for correcting incompetent veins in the lower legs and feet. | 02-19-2009 |
Leslie Lee Deford, Phoenix, AZ US
| Patent application number | Description | Published |
|---|---|---|
| 20090187969 | SYSTEM AND METHOD FOR SYNCHRONIZING SECURITY SETTINGS OF CONTROL SYSTEMS - A method for communicating data between a first and second control system (FCS and SCS). FCS ( | 07-23-2009 |
Nathan Paul Deford, Hudson, IA US
| Patent application number | Description | Published |
|---|---|---|
| 20100127693 | TRANSMISSION SHIFT RAIL POSITION SENSOR - The invention relates to a shift rail position sensing system. There is a need for a rapid and accurate shift rail position sensing system. In a transmission shift mechanism shifts are performed by axially moving a shift rail which is slidable in a rail bore in a housing. A rail position sensing system includes a groove formed in the shift rail and a Hall effect sensor. The groove includes a curved bottom surface, a first ramp surface extending from one side of the bottom surface to an outer peripheral surface of the shift rail, and a second ramp surface extending from a second side of the bottom surface to an outer peripheral surface of the shift rail. The Hall effect sensor has a sensor shaft with an axis normal to an axis of the shift rail. The sensor shaft has a sensing tip which adjacent to and spaced apart from the groove, so that the Hall effect sensor is sensitive an entire range of positions of the shift rail. | 05-27-2010 |