US Patent No: 5,047,026

Number of patents in Portfolio can not be more than 2000

Electrosurgical implement for tunneling through tissue

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Abstract

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An electrosurgical implement for tunneling through tissue for effecting drainage of an organ or to restore patency to a blood vessel is described. The implement comprises a stainless steel, helically wound, wire body similar to a conventional guidewire of the type used in angiography, angioplasty or in implanting cardiac pacing leads. The exterior of the guidewire is coated with an insulating material, save for one or two convolutions at its distal end. A core wire having a Teflon.RTM. shrink tube surrounding it over substantially its entire length is disposed within the lumen of the helical guidewire and only a short segment of the distal end of the core wire is allowed to extend out from the distal end of the guidewire. This short segment is stripped free of insulation. The implement may be routed through an endoscope into the stomach or colon and when an RF voltage of an appropriate amplitude is connected across terminals electrically joined to the proximal ends of both of the guidewire and the core wire, an arc discharge is created when the distal end of the implement is brought into contact with tissue, thereby allowing the device to readily pierce this tissue. The same implement may also be used for restoring patency to a blocked blood vessel.

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First Claim

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Patent Owner(s)

Patent OwnerAddressTotal Patents
GYRUS MEDICAL, INC.MAPLE GROVE, MN15

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Rydell, Mark A Golden Valley, MN 104 14606

Cited Art Landscape

Patent Info (Count) # Cites Year
 
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MARVELL WORLD TRADE LTD. (1)
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GYRUS MEDICAL, INC. (1)
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EVEREST MEDICAL CORPORATION (2)
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EVERST MEDICAL CORPORATION (1)
* 4,674,498 Electro cautery surgical blade 91 1985
* Cited By Examiner

Patent Citation Ranking

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Patent Info (Count) # Cites Year
 
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TYCO HEALTHCARE GROUP AG (1)
6,280,441 Apparatus and method for RF lesioning 204 1997
 
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8,568,411 Electrosurgical system 0 2009
8,915,910 Electrosurgical system 0 2009
8,579,894 Electrosurgical system 0 2009
8,562,598 Electrosurgical system 0 2009
8,551,088 Electrosurgical system 1 2009
 
COVIDIEN LP (5)
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8,292,888 Bipolar or ultrasonic surgical device 31 2002
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8,523,890 Bipolar or ultrasonic surgical device 0 2012
8,845,665 Bipolar or ultrasonic surgical device 0 2013
 
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6,416,490 PMR device and method 34 1998
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SUPFINA GRIESHABER GMBH & CO. KG (1)
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SUMITOMO RUBBER INDUSTRIES, LTD. (1)
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7,462,178 Systems and methods for electrosurgical spine surgery 53 2007
 
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PHILIP MORRIS USA INC. (1)
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ARTHROCARE CORPORATION (106)
7,758,537 Systems and methods for electrosurgical removal of the stratum corneum 10 1999
7,201,750 System for treating articular cartilage defects 103 1999
7,422,585 System for electrosurgical myocardial revascularization 25 1999
7,505,812 Electrosurgical system for treating restenosis of body lumens 10 1999
6,623,454 System and method for electrosurgical tissue contraction 42 1999
6,632,220 Systems for electrosurgical tissue treatment in conductive fluid 148 1999
7,572,251 Systems and methods for electrosurgical tissue treatment 33 1999
6,632,193 Systems and methods for electrosurgical tissue treatment 271 2000
6,659,106 System and methods for electrosurgical treatment of turbinates 72 2000
7,131,969 Systems and methods for electrosurgical treatment of obstructive sleep disorders 164 2000
6,896,672 Methods for electrosurgical incisions on external skin surfaces 47 2000
6,595,990 Systems and methods for electrosurgical tissue revascularization 80 2000
7,678,069 System for electrosurgical tissue treatment in the presence of electrically conductive fluid 21 2000
7,070,596 Electrosurgical apparatus having a curved distal section 146 2000
6,896,674 Electrosurgical apparatus having digestion electrode and methods related thereto 105 2000
6,726,684 Methods for electrosurgical spine surgery 126 2000
6,855,143 Electrosurgical systems and methods for recanalization of occluded body lumens 58 2000
* 2001/0001,314 Electrosurgical systems and methods for recanalization of occluded body lumens 76 2000
7,179,255 Methods for targeted electrosurgery on contained herniated discs 249 2000
6,589,237 Electrosurgical apparatus and methods for treating tissue 193 2001
6,915,806 Method for harvesting graft vessel 62 2001
6,770,071 Bladed electrosurgical probe 179 2001
7,429,262 Apparatus and methods for electrosurgical ablation and resection of target tissue 81 2001
6,746,447 Methods for ablating tissue 102 2001
6,974,453 Dual mode electrosurgical clamping probe and related methods 164 2001
6,805,130 Methods for electrosurgical tendon vascularization 48 2001
6,772,012 Methods for electrosurgical treatment of spinal tissue 146 2001
7,442,191 Systems and methods for electrosurgical treatment of turbinates 105 2001
6,837,887 Articulated electrosurgical probe and methods 152 2002
7,270,661 Electrosurgical apparatus and methods for treatment and removal of tissue 99 2002
7,186,234 Electrosurgical apparatus and methods for treatment and removal of tissue 121 2002
6,837,888 Electrosurgical probe with movable return electrode and methods related thereto 237 2002
7,393,351 Apparatus and methods for treating cervical inter-vertebral discs 72 2002
6,837,884 Electrosurgical apparatus having compound return electrode 66 2002
6,763,836 Methods for electrosurgical tendon vascularization 49 2002
7,435,247 Systems and methods for electrosurgical tissue treatment 87 2002
6,712,811 Methods for electrosurgical spine surgery 68 2002
7,004,941 Systems and methods for electrosurigical treatment of obstructive sleep disorders 109 2002
6,920,883 Methods and apparatus for skin treatment 165 2002
7,824,398 Electrosurgical systems and methods for removing and modifying tissue 39 2003
6,991,631 Electrosurgical probe having circular electrode array for ablating joint tissue and systems related thereto 155 2003
7,331,957 Electrosurgical apparatus and methods for laparoscopy 56 2003
7,270,658 Systems and methods for electrosurgery 150 2003
7,192,428 Systems for epidermal tissue ablation 100 2003
7,094,215 Systems and methods for electrosurgical tissue contraction 121 2003
7,104,986 Intervertebral disc replacement method 107 2003
7,357,798 Systems and methods for electrosurgical prevention of disc herniations 75 2003
7,217,268 Method for electrosurgical tissue treatment near a patient's heart 112 2003
7,318,823 Methods for repairing damaged intervertebral discs 209 2003
6,960,204 Electrosurgical method using laterally arranged active electrode 113 2003
7,276,063 Instrument for electrosurgical tissue treatment 97 2003
RE40156 Methods for repairing damaged intervertebral discs 118 2003
7,241,293 Electrode screen enhanced electrosurgical apparatus and methods for ablating tissue 78 2003
7,297,143 Temperature indicating electrosurgical apparatus and methods 71 2004
7,387,625 Methods and apparatus for treating intervertebral discs 88 2004
8,012,153 Rotary electrosurgical apparatus and methods thereof 3 2004
7,708,733 Electrosurgical method and apparatus for removing tissue within a bone body 57 2004
7,419,488 Electrosurgical probe with movable return electrode and methods related thereto 71 2005
7,491,200 Method for treating obstructive sleep disorder includes removing tissue from base of tongue 35 2005
7,449,021 Systems and methods for electrosurgical tissue contraction within the spine 38 2005
7,704,249 Apparatus and methods for electrosurgical ablation and resection of target tissue 17 2005
7,892,230 Electrosurgical device having planar vertical electrode and related methods 9 2005
7,632,267 Fuse-electrode electrosurgical apparatus 23 2005
7,270,659 Methods for electrosurgical treatment of spinal tissue 114 2005
7,297,145 Bipolar electrosurgical clamp for removing and modifying tissue 69 2005
7,169,143 Methods for electrosurgical tissue treatment in electrically conductive fluid 99 2005
7,691,101 Electrosurgical method and system for treating foot ulcer 35 2006
7,879,034 Internally located return electrode electrosurgical apparatus, system and method 23 2006
7,331,956 Methods and apparatus for treating back pain 73 2006
7,429,260 Systems and methods for electrosurgical tissue contraction within the spine 53 2006
7,445,618 Methods for tissue ablation using pulsed energy 49 2007
7,468,059 System and method for epidermal tissue ablation 57 2007
7,901,403 Internally located return electrode electrosurgical apparatus, system and method 26 2007
7,862,560 Ablation apparatus having reduced nerve stimulation and related methods 20 2007
7,507,236 System and method for electrosurgical cutting and ablation 49 2007
8,114,071 Hard tissue ablation system 2 2007
7,988,689 Electrosurgical apparatus and methods for treatment and removal of tissue 5 2007
8,663,216 Instrument for electrosurgical tissue treatment 0 2007
7,717,912 Bipolar electrosurgical clamp for removing and modifying tissue 5 2007
8,192,424 Electrosurgical system with suction control apparatus, system and method 30 2008
7,824,405 Electrosurgical apparatus and methods for laparoscopy 12 2008
7,794,456 Systems and methods for electrosurgical intervertebral disc replacement 3 2008
8,747,400 Systems and methods for screen electrode securement 0 2008
7,819,863 System and method for electrosurgical cutting and ablation 8 2008
8,355,799 Systems and methods for limiting joint temperature 9 2008
8,574,187 System and method of an electrosurgical controller with output RF energy control 2 2009
8,876,746 Electrosurgical system and method for treating chronic wound tissue 0 2009
8,663,152 Electrosurgical method and system for treating foot ulcer 0 2009
8,663,153 Electrosurgical method and system for treating foot ulcer 0 2009
8,663,154 Electrosurgical method and system for treating foot ulcer 0 2009
8,636,685 Electrosurgical method and system for treating foot ulcer 0 2009
8,257,350 Method and system of an electrosurgical controller with wave-shaping 3 2009
8,323,279 System, method and apparatus for electrosurgical instrument with movable fluid delivery sheath 15 2009
8,372,067 Electrosurgery irrigation primer systems and methods 3 2009
8,747,399 Method and system of reduction of low frequency muscle stimulation during electrosurgical procedures 0 2010
8,801,705 Electrosurgical method and apparatus for removing tissue within a bone body 0 2010
8,696,659 Electrosurgical system and method having enhanced temperature measurement 0 2010
7,951,141 Systems and methods for electrosurgical intervertebral disc replacement 3 2010
8,685,018 Electrosurgical wand and related method and system 0 2010
8,568,405 Electrosurgical wand and related method and system 2 2010
D658760 Wound care electrosurgical wand 11 2010
8,747,401 Systems and methods for turbinate reduction 1 2011
8,292,887 Internally located return electrode electrosurgical apparatus, system and method 16 2011
8,444,638 Hard tissue ablation system 0 2012
9,011,428 Electrosurgical device with internal digestor electrode 0 2012
8,870,866 Electrosurgical system with suction control apparatus, system and method 0 2012
 
SCIMED SYSTEMS, INC. (1)
6,402,740 Expandable PMR device and method 69 2000
 
American Cardiac Ablation Co., Inc. (1)
* 5,383,876 Fluid cooled electrosurgical probe for cutting and cauterizing tissue 651 1994
 
EP Technologies, Inc. (1)
* 6,030,382 Flexible tissue ablatin elements for making long lesions 48 1998
 
MEDICOR CORPORATION (1)
* 5,827,275 Electro-surgical instrument and fabrication method 9 1996
 
ATRICURE, INC. (5)
6,179,837 Bipolar electrosurgical scissors 328 1995
* 5,766,166 Bipolar Electrosurgical scissors 274 1996
6,464,701 Bipolar electrosurgical scissors 233 2000
6,391,029 Bipolar electrosurgical scissors 73 2000
6,350,264 Bipolar electrosurgical scissors 253 2000
 
BOSTON SCIENTIFIC SCIMED, INC. (31)
* 5,338,295 Dilatation catheter with polyimide-encased stainless steel braid proximal shaft 59 1992
* 5,533,987 Dilatation catheter with polymide encased stainless steel braid proximal shaft 67 1995
* 5,944,716 Radio frequency transmyocardial revascularization corer 32 1997
* 5,968,059 Transmyocardial revascularization catheter and method 53 1997
* 5,938,632 Radiofrequency transmyocardial revascularization apparatus and method 40 1997
* 6,093,185 Expandable PMR device and method 60 1998
* 6,063,082 Percutaneous myocardial revascularization basket delivery system and radiofrequency therapeutic device 107 1998
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6,290,709 Transmyocardial revascularization catheter and assembly 30 1999
6,491,689 Percutaneous myocardial revascularization device and method 34 2000
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6,660,003 Percutaneous myocardial revascularization basket delivery system and radiofrequency therapeutic device 28 2000
6,893,421 Catheter shaft assembly 13 2000
6,613,017 Controlled depth injection device and method 20 2000
6,595,958 Tortuous path injection device and method 27 2000
6,582,400 Variable tip catheter 25 2000
6,530,914 Deflectable tip guide in guide system 38 2000
6,749,617 Catheter and implants for the delivery of therapeutic agents to tissues 89 2000
6,616,626 Infusion devices and method 31 2000
6,562,031 Guide wire system for RF recanalization of vascular blockages 105 2001
6,951,557 Percutaneous myocardial revascularization device and method 4 2002
7,399,294 Controlled depth injection device 7 2003
7,044,934 Tortuous path injection device 3 2003
6,939,322 Infusion devices and method 12 2003
6,953,466 Methods for delivering a therapeutic implant to tissue 14 2004
7,211,067 Elongated medical device with functional distal end 7 2004
7,854,743 Catheter for the delivery of therapeutic agents to tissues 1 2005
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7,625,356 Tortuous path injection device 0 2006
 
AthroCare Corporation (1)
8,317,786 System, method and apparatus for electrosurgical instrument with movable suction sheath 1 2009
 
GYRUS MEDICAL LIMITED (20)
6,293,942 Electrosurgical generator method 340 1996
6,015,406 Electrosurgical instrument 293 1996
6,004,319 Electrosurgical instrument 334 1996
6,027,501 Electrosurgical instrument 310 1996
6,013,076 Electrosurgical instrument 226 1996
5,944,715 Electrosurgical instrument 352 1996
6,093,186 Electrosurgical generator and system 342 1997
6,416,509 Electrosurgical generator and system 318 1998
6,090,106 Electrosurgical instrument 257 1998
6,056,746 Electrosurgical instrument 372 1998
* 6,039,734 Electrosurgical hand-held battery-operated instrument 223 1998
6,364,877 Electrosurgical generator and system 259 1998
6,306,134 Electrosurgical generator and system 321 1998
6,261,286 Electrosurgical generator and system 295 1998
6,210,405 Under water treatment 81 1998
6,277,114 Electrode assembly for an electrosurical instrument 120 1999
6,174,308 Electrosurgical instrument 123 1999
6,234,178 Electrosurgical instrument 171 1999
6,780,180 Electrosurgical instrument 204 2000
6,565,561 Electrosurgical instrument 32 2000
* Cited By Examiner