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, MN5548

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Holle, Mark Blaine, MN 3 129
Lach, Linda L Vadnais Heights, MN 5 263
Pohndorf, Peter J Stillwater, MN 37 3327
Williams, Terrell M Brooklyn Park, MN 49 2295

Cited Art Landscape

Patent Info (Count) # Cites Year
 
BTG INTERNATIONAL INC. (1)
* 5374287 Defibrillator and demand pacer catheters and methods for using same 131 1993
 
Minnesota Mining and Manufacturing Company (1)
* 4919891 Sensor with overcoating and process for making same 70 1987
 
GREATBATCH LTD. (1)
* 5217028 Bipolar cardiac lead with drug eluting device 43 1992
 
Cardiac Pacemakers, Inc. (2)
* 4827940 Soluble covering for cardiac pacing electrode 121 1987
* 4876109 Soluble covering for cardiac pacing electrode 91 1988
 
Pacesetter, Inc. (1)
* 5447533 Implantable stimulation lead having an advanceable therapeutic drug delivery system 147 1993
 
BOSTON SCIENTIFIC SCIMED, INC. (1)
* 5049138 Catheter with dissolvable tip 116 1989
 
PACESETTER AB (1)
* 5103837 Implantable stimulating electrode 36 1990
 
SIEMENS ELEMA AB (1)
* 5324324 Coated implantable stimulation electrode and lead 60 1992
 
ENPATH LEAD TECHNOLOGIES, INC., A MINNESOTA CORPORATION (1)
* 5255693 Cardiac lead 91 1992
* Cited By Examiner

Patent Citation Ranking

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Patent Info (Count) # Cites Year
 
ADVANCED BIONICS, LLC (5)
* 6304787 Cochlear electrode array having current-focusing and tissue-treating features 188 1999
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* 2004/0127,968 Cochlear implant electrode and method of making same 36 2003
7941228 Cochlear implant electrode and method of making same 4 2007
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ST. JUDE MEDICAL AB (2)
8170691 Medical implantable lead 23 2007
* 2010/0137,957 MEDICAL IMPLANTABLE LEAD 10 2007
 
Rehabtronics Inc. (3)
8406886 Method of routing electrical current to bodily tissues via implanted passive conductors 7 2009
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9072886 Method of routing electrical current to bodily tissues via implanted passive conductors 1 2014
 
4TECH INC. (6)
8475525 Tricuspid valve repair using tension 6 2010
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8961594 Heart valve repair system 3 2012
9241702 Method and apparatus for tricuspid valve repair using tension 1 2012
9307980 Tricuspid valve repair using tension 0 2013
 
STRYKER EUROPEAN HOLDINGS I, LLC (1)
* RE43311 Fast-detaching electrically insulated implant 4 2007
 
MEDTRONIC, INC. (9)
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7282213 Method for applying a drug coating to a medical device 86 2002
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Cardiac Pacemakers, Inc. (17)
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7218971 Implantable lead with dissolvable coating for improved fixation and extraction 27 2003
* 2004/0215,306 Implantable lead with dissolvable coating for improved fixation and extraction 4 2003
7953499 Drug-eluting electrode 18 2003
* 2005/0070,985 Drug-eluting electrode 24 2003
8825161 Acoustic transducer for an implantable medical device 0 2008
8812134 Helix fixation mechanism 0 2010
* 2011/0112,619 HELIX FIXATION MECHANISM 6 2010
8548592 Ultrasonic transducer for a metallic cavity implanted medical device 0 2011
8923985 Implantable active fixation lead with biodegradable helical tip 0 2011
9700732 Leadless cardiac pacemaker and retrieval device 0 2014
9492674 Leadless cardiac pacemaker with delivery and/or retrieval features 0 2014
9480850 Leadless cardiac pacemaker and retrieval device 0 2014
9393427 Leadless cardiac pacemaker with delivery and/or retrieval features 0 2014
9192317 Implantable active fixation lead with biodegradable helical tip 0 2014
 
4 TECH INC. (1)
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8744580 Implantable medical device with integrated acoustic transducer 0 2009
 
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7187980 Cardiac lead with steroid eluting ring 15 2002
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8332029 Implant system and method using implanted passive conductors for routing electrical current 13 2006
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8538517 Implant, system and method using implanted passive conductors for routing electrical current 2 2012
8862225 Implant, system and method using implanted passive conductors for routing electrical current 1 2013
 
Pacesetter, Inc. (8)
7369901 Myocardial lead and lead system 63 2005
8303511 Implantable pressure transducer system optimized for reduced thrombosis effect 15 2005
9060696 Implantable pressure transducer system optimized to correct environmental factors 0 2005
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* 2005/0288,722 Implantable pressure transducer system optimized for anchoring and positioning 96 2005
7890186 Retrieval devices for anchored cardiovascular sensors 16 2006
* 8108054 Active fixation implantable medical lead configured to indicate via fluoroscopy embedment of helical anchor in cardiac tissue 21 2009
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BOSTON SCIENTIFIC NEUROMODULATION CORPORATION (2)
7319906 Cochlear implant electrode and method of making same 26 2004
* 2004/0220,651 Cochlear implant electrode and method of making same 18 2004
* Cited By Examiner