Medical electrical lead with surface treatment for enhanced fixation

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 5776178
SERIAL NO

08604215

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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A medical electrical lead having a fixation helix which is surface treated along at least a portion to have a relatively high microscopic area along with a relatively low macroscopic area. In the preferred embodiment, such a surface treated portion is accomplished with a porous platinized construction. The surface treated portion further has a bioabsorbable coating in order to permit the helix to be inserted into the heart tissue without causing damage to the heart tissue through the engagement of the surface treated portion with heart tissue during insertion. In the preferred embodiment the bioabsorbable material is mannitol, although other bioabsorbable materials may also be used, such as a material which is no more than sparingly soluble in water, for example, the steroid beclomethasone dipropionate anhydrous. Through such a construction the helix may be inserted into tissue while the coating of absorbable materials provides a smooth surface between the surface treated portion of the helix and the tissue. Once inserted, the coating is absorbed and the surface treated portion provides electrical contact with the heart tissue.

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First Claim

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Patent Owner(s)

Patent OwnerAddressTotal Patents
MEDTRONIC, INC.MINNEAPOLIS, MN5756

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Holle, Mark Blaine, MN 3 147
Lach, Linda L Vadnais Heights, MN 5 291
Pohndorf, Peter J Stillwater, MN 37 3499
Williams, Terrell M Brooklyn Park, MN 50 2409

Cited Art Landscape

Patent Info (Count) # Cites Year
 
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Minnesota Mining and Manufacturing Company (1)
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GREATBATCH LTD. (1)
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Cardiac Pacemakers, Inc. (2)
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PACESETTER AB (1)
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SIEMENS ELEMA AB (1)
* 5324324 Coated implantable stimulation electrode and lead 63 1992
 
ENPATH LEAD TECHNOLOGIES, INC., A MINNESOTA CORPORATION (1)
* 5255693 Cardiac lead 103 1992
* Cited By Examiner

Patent Citation Ranking

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Patent Info (Count) # Cites Year
 
Other [Check patent profile for assignment information] (1)
9925374 Treatment of indications using electrical stimulation 0 2009
 
ADVANCED BIONICS, LLC (7)
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ST. JUDE MEDICAL AB (2)
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7953499 Drug-eluting electrode 19 2003
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8825161 Acoustic transducer for an implantable medical device 0 2008
8812134 Helix fixation mechanism 0 2010
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8548592 Ultrasonic transducer for a metallic cavity implanted medical device 0 2011
8923985 Implantable active fixation lead with biodegradable helical tip 0 2011
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4 TECH INC. (1)
9788948 Soft tissue anchors and implantation techniques 0 2014
 
REMON MEDICAL TECHNOLOGIES LTD. (1)
8744580 Implantable medical device with integrated acoustic transducer 0 2009
 
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7187980 Cardiac lead with steroid eluting ring 16 2002
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8332029 Implant system and method using implanted passive conductors for routing electrical current 18 2006
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PACESETTER, INC. (8)
7369901 Myocardial lead and lead system 76 2005
8303511 Implantable pressure transducer system optimized for reduced thrombosis effect 29 2005
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4 TECH INC. OF C/O OXO CAPITAL, LLC (1)
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* Cited By Examiner