US Patent Application No: 2002/0032,391

Number of patents in Portfolio can not be more than 2000

Guidewire for precision catheter positioning

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Abstract

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The present invention comprises a guidewire having a compressible guide section capable of deflecting a catheter to abut a lumen wall. The compressible guide section exerts an outward radial force while it is at least partially compressed within a lumen. The guide section permits a physician to precisely locate a catheter within a body lumen and adjust a catheter tip orientation to be directed to a particular side of a body lumen. A method is disclosed for properly matching a guidewire and a catheter to operate together in the present invention, along with a force measuring instrument to assist in measuring a catheter's resistance force value. This method and systems of the present invention involve determining the exact force relationship between the compressible guide section and the resistance of the catheter in vitro.

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Kupiecki, David J San Francisco, CA 34 609
Mah, Kathy M Mountain View, CA 7 300
McFann, Timothy B Redwood City, CA 7 231
Muskivitch, John C Cupertino, CA 12 438
Passafaro, James D Los Gatos, CA 12 1029
Williams, Ronald G Menlo Park, CA 34 3561

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Patent Info (Count) # Cites Year
 
C.R. BARD, INC. (7)
8,784,336 Stylet apparatuses and methods of manufacture 0 2006
8,388,541 Integrated system for intravascular placement of a catheter 8 2008
8,478,382 Systems and methods for positioning a catheter 6 2009
8,849,382 Apparatus and display methods relating to intravascular placement of a catheter 0 2009
8,781,555 System for placement of a catheter including a signal-generating stylet 0 2010
8,801,693 Bioimpedance-assisted placement of a medical device 0 2011
D699359 Ultrasound probe head 2 2012
 
BARD ACCESS SYSTEMS, INC. (6)
7,794,407 Method of locating the tip of a central venous catheter 16 2006
8,388,546 Method of locating the tip of a central venous catheter 8 2009
8,437,833 Percutaneous magnetic gastrostomy 8 2009
8,512,256 Method of locating the tip of a central venous catheter 8 2010
8,774,907 Method of locating the tip of a central venous catheter 0 2013
8,858,455 Method of locating the tip of a central venous catheter 0 2013
 
THE SPECTRANETICS CORPORATION (3)
6,951,554 Deflecting catheter 8 2002
7,303,533 Shapeable intraluminal device and method therefor 21 2003
7,951,094 Shapeable intraluminal device and method therefor 1 2007
 
ADVANCED BIONICS, LLC (1)
8,594,799 Cochlear electrode insertion 1 2009
 
DEPUY SYNTHES PRODUCTS, LLC (1)
* 2014/0024,968 GUIDEWIRE WITH HIGHLY FLEXIBLE TIP 0 2012
 
TERUMO KABUSHIKI KAISHA (1)
8,517,959 Guide wire for medical treatment 0 2011
* Cited By Examiner