Perfusion lead and method of use
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United States of America Patent
Stats
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Jan 21, 2003
Grant Date -
Jun 20, 2002
app pub date -
Dec 20, 2000
filing date -
Dec 20, 2000
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A medical electrical lead including an inflatable member at a distal tip section, and a system of use, are disclosed. The inflation member is adapted to engage the walls of a cardiac vein or coronary artery to occlude the vessel. According to one aspect of the invention, the inflation member is formed of a bio-absorbable material. In another embodiment, the inflation member is a micro-porous material. The lead of the current invention may include a port located distal to the inflation member to deliver radiopaque dye or any other substance to a vessel when the inflation member is in the inflated state. This allows a fluoroscopic image of a patient's vascular system to be obtained while the lead is in place within a vessel. A perfusion lumen may be provided to allow a partial flow of blood to continue around the inflation member when the inflation member is occluding a vessel. In one embodiment, lead is provided with a lumen for receiving a stiffening member such as a stylet to aid in lead placement. According to one method of using the current invention, inflation member may be inflated after the lead is placed at a desired implant site to provide a temporary fixation mechanism during withdrawal of the stiffening member and/or a guide catheter or sheath used to place the lead at the implant site. This temporary fixation mechanism may also be employed to retain a desired lead location while thresholds are obtains. The inflation member may be retained in an inflated state for a longer predetermined period of time until tissue in-growth begins to occur around the lead.
First Claim
Family
- 15 United States
- 10 France
- 8 Japan
- 7 China
- 5 Korea
- 2 Other
Patent Owner(s)
- MEDTRONIC, INC.
International Classification(s)
Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
---|---|---|---|
Clemens, William W | Fridley, MN | 1 | 74 |
Hess, Douglas N | Maple Grove, MN | 27 | 1619 |
Sommer, John L | Coon Rapids, MN | 108 | 6454 |
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Maintenance Fees
Fee | Large entity fee | small entity fee | micro entity fee | due date |
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Fee | Large entity fee | small entity fee | micro entity fee |
---|---|---|---|
Surcharge after expiration - Late payment is unavoidable | $700.00 | $350.00 | $175.00 |
Surcharge after expiration - Late payment is unintentional | $1,640.00 | $820.00 | $410.00 |
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