US Patent No: 7,491,215

Number of patents in Portfolio can not be more than 2000

Filter element for embolic protection device

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ALSO PUBLISHED AS: 20020107541
ATTORNEY / AGENT: (SPONSORED)
 

Importance

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Abstract

A collapsible filter element for a transcatheter embolic protection device comprises a collapsible filter body which is movable between a collapsed stored position for movement through a vascular system and an expanded position for extension across a blood vessel such that blood passing through the blood vessel is delivered through the filter element. A proximal inlet portion of the filter body has one or more inlet openings sized to allow blood and embolic material enter the filter body and a distal outlet portion of the filter body has a plurality of outlet openings sized to allow through-passage of blood, but to retain embolic material within the filter body. The filter body is at least partially of laminate construction comprising a membrane coated with a coating which is biocompatible, the thickness of the coating being from 4% to 40% of the thickness of the membrane. The coating may be of hydrophilic material. To facilitate retrieval of captured embolic material the distal portion and/or an intermediate portion of the filter membrane may be stretchable. The filter body may have regions of varying hardness or stiffness.

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First Claim

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Patent Owner(s)

Patent OwnerAddressTotal Patents
SALVIAC LIMITEDDUBLIN65

International Classification(s)

  • [Classification Symbol]
  • [Patents Count]

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Brady, Eamon Elphin, IE 159 2951
Vale, David Dublin, IE 136 2469

Cited Art

Patent Info (Count) # Cites Year
 
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6,099,534 Releasable basket 136 1998
5,954,745 Catheter-filter set having a compliant seal 284 1998
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EDWARDS LIFESCIENCES CORPORATION (20)
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6,270,513 Methods of protecting a patient from embolization during surgery 214 1999
2002/0128,679 Cerebral protection during carotid endarterectomy and methods of use 90 2001
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SALVIAC LIMITED (16)
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2002/0049,467 Embolic protection system 42 2002
2002/0058,963 Retrieval device 59 2002
2003/0009,189 Embolic protection device 103 2002
2003/0093,106 Catheter 35 2002
2003/0125,764 Catheter 57 2002
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2002/0111,648 Slideable vascular filter 118 2002
2002/0138,095 Method of forming medical devices; intravascular occlusion devices 123 2002
2003/0176,884 Everted filter device 145 2002
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INCEPT LLC (13)
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ABBOTT CARDIOVASCULAR SYSTEMS INC. (9)
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2003/0004,536 Variable thickness embolic filtering devices and method of manufacturing the same 91 2001
6,602,272 Devices configured from heat shaped, strain hardened nickel-titanium 85 2001
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6,551,342 Embolic filter 135 2001
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SCIMED LIFE SYSTEMS, INC. (9)
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6,447,530 Atraumatic anchoring and disengagement mechanism for permanent implant device 168 1997
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2002/0123,755 Embolic protection filter delivery sheath 83 2002
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LIFESCREEN SCIENCES LLC (7)
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5,836,969 Vena cava filter 160 1997
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C.R. BARD, INC. (6)
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6,602,269 Embolic devices capable of in-situ reinforcement 76 2001
 
SURGERX MEDICAL, LLC (4)
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2002/0165,576 Embolic protection device 101 2002
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NEW YORK SOCIETY FOR THE RUPTURED AND CRIPPLED MAINTAINING THE HOSPITAL FOR SPECIAL SURGERY (1)
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RAFAEL MEDICAL TECHNOLOGIES, INC. (1)
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SALVIC LIMITED (1)
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SEGUIN, JACQUES (1)
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4,790,812 Apparatus and method for removing a target object from a body passsageway 485 1985
4,807,626 Stone extractor and method 296 1985
4,712,551 Vascular shunt 124 1986
4,794,928 Angioplasty device and method of using the same 484 1987
4,832,055 Mechanically locking blood clot filter 410 1988
4,927,426 Catheter device 130 1989
4,990,156 Filter for medical use 253 1989
5,092,839 Coronary thrombectomy 189 1989
4,969,891 Removable vascular filter 406 1990
5,053,008 Intracardiac catheter 526 1990
5,405,329 Intravascular multi-lumen catheter, capable of being implanted by "tunnelling" 81 1991
5,421,832 Filter-catheter and method of manufacturing same 343 1994
5,720,764 Vena cava thrombus filter 321 1996
5,800,457 Intravascular filter and associated methodology 338 1997
5,928,261 Removable vascular filter, catheter system and methods of use 121 1998
6,585,756 Implantable lumen prosthesis 96 1999
6,245,088 Retrievable umbrella sieve and method of use 222 1999
6,652,554 Instrument for thromboembolic protection 98 2000
6,443,926 Embolic protection device having expandable trap 103 2000
6,517,559 Blood filter and method for treating vascular disease 154 2000
6,616,680 Distal protection and delivery system and method 126 2000
6,340,364 Vascular filtering device 101 2001
6,530,940 Emboli capturing device 94 2001
6,436,121 Removable blood filter 129 2001
2002/0026,213 Embolic protection device 52 2001
6,652,557 Mechanism for capturing debris generated during vascular procedures 88 2001
2002/0169,414 Embolic protection device having expandable trap 69 2002
2003/0040,772 Delivery devices 187 2002
2003/0208,228 Embolic protection device 83 2003
2009/0132,648 CONTENT DELIVERY AND GLOBAL TRAFFIC MANAGEMENT NETWORK SYSTEM 2009

Patent Citation Ranking

Forward Cites

Patent Info (Count) # Cites Year
 
BOSTON SCIENTIFIC SCIMED, INC. (1)
8,070,769 Inverted embolic protection filter 0 2002
 
SALVIAC LIMITED (1)
8,328,842 Filter element with retractable guidewire tip 0 2011

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