US Patent No: 4,649,938

Number of patents in Portfolio can not be more than 2000

Tissue-stimulating electrode having sealed, low-friction extendable/retractable active fixation means

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Abstract

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An electrode tip (14) of a tissue-stimulating lead provides active fixation of the tip of body tissue. Tissue attachment means (34), within the electrode tip, are selectively extended so as to protrude from the tip upon application of an external force. Otherwise, biasing means (40), also within the electrode tip, urge the tissue attachment means to a retracted position within the tip. Extension and retraction of the tissue attachment means are realized through the use of a carrier bobbin (44), to one end of which the tissue attachment means are affixed. The carrier bobbin is movably inserted into a barrel (30) of the tip. An O-ring (38) placed around the circumference of the carrier bobbin, sized so as to make sealable contact with the inside barrel wall, seals the back end of the barrel and prevents fluids from flowing therein. This O-ring also rolls along the surface of the carrier bobbin and barrel wall as the bobbin moves within the barrel, thereby reducing friction associated with the movement of the bobbin. The carrier bobbin moves to its extended position upon application of an axial force. This axial force is selectively supplied by a stylet (20) that passes through a lume (56) of the lead.

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First Claim

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Patent Owner(s)

Patent OwnerAddressTotal Patents
PACESETTER ABS171 95 SOLNA 1143
SIEMENS ELEMA ABSOLNA52

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
McArthur, William A 27544 Lovage Ct., Saugus, CA 91350 3 150

Cited Art Landscape

Patent Info (Count) # Cites Year
 
TELECTRONICS, INC., A DE CORP. (2)
* 4,475,560 Temporary pacing lead assembly 40 1982
* 4,463,765 Screw-in pacing lead assembly 73 1982
 
INNOMEDICA, INC. (1)
* 4,570,642 Endocardial extendable screw-in lead 81 1983
 
MEDTRONIC, INC. (1)
* 4,381,013 "J" Stylet wire 38 1981
* Cited By Examiner

Patent Citation Ranking

Forward Cite Landscape

Patent Info (Count) # Cites Year
 
Other [Check patent profile for assignment information] (2)
* 5,330,521 Low resistance implantable electrical leads 238 1992
* 8,160,723 Bipolar electrode that can be implanted 0 2009
 
ST. JUDE MEDICAL AB (1)
8,442,652 Medical implantable lead and method for connecting a medical implantable lead to an organ 0 2008
 
INTERMEDICS, INC. (6)
* 4,858,623 Active fixation mechanism for lead assembly of an implantable cardiac stimulator 102 1987
* 4,919,135 Triaxial electrode 28 1988
* 4,924,881 Implantable endocardial lead with fixation device retractable by threaded stylet 63 1989
* 4,967,766 Implantable endocardial lead with fixation apparatus retractable by a lanyard 62 1989
* 5,152,299 Implantable endocardial lead with spring-loaded screw-in fixation apparatus 68 1991
* 5,593,433 Implantable endocardial lead with self-healing retractable fixation apparatus 47 1994
 
Symbiosis Corporation (1)
* 5,395,364 Endoscopic instrument incorporating an elastomeric fluid seal 14 1993
 
ST. JUDE MEDICAL, INC. (2)
* 8,521,305 Percutaneous lead with distal fixation 0 2011
* 2011/0282,424 PERCUTANEOUS LEAD WITH DISTAL FIXATION 0 2011
 
NDO Surical, Inc. (1)
7,736,373 Methods and devices for tissue reconfiguration 4 2004
 
MEDTRONIC, INC. (3)
* 5,003,992 Atraumatic screw-in lead 73 1989
* 5,575,814 Active fixation medical electrical lead having mapping capability 36 1995
* 5,837,006 Retraction stop for helical medical lead electrode 51 1996
 
COROMETRICS MEDICAL SYSTEMS, INC. (1)
* 5,012,811 Fetal electrode product with protective cap 22 1988
 
ETHICON ENDO-SURGERY, INC. (10)
8,287,554 Method and devices for tissue reconfiguration 7 2003
7,846,180 Tissue fixation devices and methods of fixing tissue 16 2003
7,896,893 Methods and devices for tissue reconfiguration 1 2004
* 7,857,823 Tissue reconfiguration 3 2004
7,722,633 Tissue reconfiguration 4 2004
7,713,277 Tissue reconfiguration 7 2004
7,776,057 Methods and devices for tissue reconfiguration 28 2004
8,852,216 Tissue approximation methods 0 2007
8,057,494 Methods and devices for tissue reconfiguration 3 2009
8,277,468 Tissue reconfiguration 0 2010
 
Cardiac Pacemakers, Inc. (62)
* 5,425,756 Positive fixation device 42 1993
* 5,514,174 Positive fixation device 50 1995
* 5,916,243 Implantable conformal coil patch electrode with multiple conductive elements for cardioversion and defibrillation 126 1996
* 5,913,887 Device for the transvenous cardioversion of atrial fibrillation or atrial flutter including three coil electrodes 30 1997
* 6,097,986 Retractable lead with mesh screen 20 1997
* 6,256,541 Endocardial lead having defibrillation and sensing electrodes with septal anchoring 154 1998
6,501,994 High impedance electrode tip 47 1998
6,321,122 Single pass defibrillation/pacing lead with passively attached electrode for pacing and sensing 13 1998
6,212,434 Single pass lead system 109 1998
* 6,152,954 Single pass lead having retractable, actively attached electrode for pacing and sensing 12 1998
* 6,085,119 Single pass endocardial lead for multi-site atrial pacing 28 1998
6,240,321 Expandable seal for use with medical device and system 51 1998
* 6,026,332 Implantable conformal coil patch electrode with multiple conductive elements for cardioversion and defibrillation 3 1999
* 6,152,955 Implantable conformal coil patch electrode with multiple conductive elements for cardioversion and defibrillation 46 1999
* 6,032,079 Implantable conformal coil electrode with multiple conductive elements for cardioversion and defibrillation 3 1999
* 6,038,483 Implantable conformal coil patch electrode with multiple conductive elements for cardioversion and defibrillation 40 1999
* 6,041,256 Device for the transvenous cardioversion of atrial fibrillation or atrial flutter 11 1999
6,463,334 Extendable and retractable lead 49 1999
6,438,416 Device for the transvenous cardioversion of atrial fibrillation or atrial flutter including three coil electrodes 1 2000
6,505,082 Single pass lead system 58 2000
6,345,204 Single pass lead having retractable, actively attached electrode for pacing and sensing 36 2000
6,634,364 Method of deploying a ventricular lead containing a hemostasis mechanism 8 2000
6,901,288 Sealing assembly for intravenous lead 9 2001
6,741,894 Device for the transvenous cardioversion of atrial fibrillation or atrial flutter 1 2001
6,983,185 Lead with terminal connector assembly 17 2002
6,915,169 Extendable and retractable lead having a snap-fit terminal connector 44 2002
7,657,324 Seal for use with cardiac lead 2 2003
7,245,973 His bundle mapping, pacing, and injection lead 45 2003
7,366,574 Device for the transvenous cardioversion of atrial fibrillation or atrial flutter 0 2004
7,412,290 Seal for use with medical device and system 3 2004
7,392,095 Extendable and retractable lead having a snap-fit terminal connector 27 2005
7,774,934 Method for making a terminal connector 4 2005
8,346,358 Pacemaker which reestablishes or keeps the physiological electric conduction of the heart and a method of application 13 2005
* 8,055,356 Lead system having friction mechanism and method therefor 0 2006
8,078,287 His bundle mapping, pacing, and injection lead 19 2007
8,209,035 Extendable and retractable lead having a snap-fit terminal connector 0 2008
8,423,139 Methods, devices and systems for cardiac rhythm management using an electrode arrangement 13 2008
8,326,423 Devices and methods for steering electrical stimulation in cardiac rhythm management 13 2008
8,437,848 Apparatus for treating the physiological electric conduction of the heart 9 2008
8,428,715 Methods for treating the physiological electric conduction of the heart 13 2008
8,290,586 Methods, devices and systems for single-chamber pacing using a dual-chamber pacing device 14 2008
8,285,376 Ventricular pacing 13 2009
8,050,775 Coronary vein lead having pre-formed biased portions for fixation 1 2009
8,688,234 Devices, methods, and systems including cardiac pacing 5 2009
9,084,883 Thin profile conductor assembly for medical device leads 0 2010
8,285,398 Lead with terminal connector assembly 0 2010
8,565,880 His-bundle capture verification and monitoring 5 2011
8,543,203 Endocardial pacing devices and methods useful for resynchronization and defibrillation 9 2011
8,880,169 Endocardial pacing relating to conduction abnormalities 0 2011
8,538,521 Systems, devices and methods for monitoring efficiency of pacing 9 2011
8,498,721 Coronary vein leads having pre-formed biased portions for fixation 1 2011
8,838,238 Ventricular pacing 1 2012
8,903,489 Methods, devices and systems for single-chamber pacing using a dual-chamber pacing device 0 2012
8,825,159 Devices and methods for steering electrical stimulation in cardiac rhythm management 1 2012
8,954,168 Implantable device lead including a distal electrode assembly with a coiled component 0 2013
9,008,768 Methods, devices and systems for cardiac rhythm management using an electrode arrangement 0 2013
8,812,106 Apparatus for treating the physiological electric conduction of the heart 1 2013
8,958,889 MRI compatible lead coil 0 2013
8,934,969 Systems, devices and methods for monitoring efficiency of pacing 0 2013
9,031,648 Endocardial pacing devices and methods useful for resynchronization and defibrillation 0 2013
8,983,623 Inductive element for providing MRI compatibility in an implantable medical device lead 0 2013
9,050,457 MRI conditionally safe lead with low-profile conductor for longitudinal expansion 0 2014
 
GREATBATCH LTD. (1)
* 5,179,962 Cardiac lead with retractible fixators 102 1991
 
EP Technologies, Inc. (2)
* 5,293,869 Cardiac probe with dynamic support for maintaining constant surface contact during heart systole and diastole 462 1992
* 5,871,443 Cardiac mapping and ablation systems 102 1996
 
Pacesetter, Inc. (9)
* 5,228,455 Implant tool for extendable/retractable positive fixation lead 34 1991
* 5,324,325 Myocardial steroid releasing lead 115 1993
* 5,447,533 Implantable stimulation lead having an advanceable therapeutic drug delivery system 135 1993
* 5,531,780 Implantable stimulation lead having an advanceable therapeutic drug delivery system 148 1994
* 5,658,327 Intracardiac lead having a compliant fixation device 44 1995
* 7,092,766 Active fixation lead with multiple density 42 2003
* 7,991,484 Active fixation medical lead and related method and system 10 2007
* 8,108,054 Active fixation implantable medical lead configured to indicate via fluoroscopy embedment of helical anchor in cardiac tissue 8 2009
8,718,794 Method for indicating embedment of a helical anchor in cardiac tissue via fluoroscopy 0 2011
* Cited By Examiner