US Patent No: 7,565,191

Number of patents in Portfolio can not be more than 2000

Tissue site markers for in vivo imaging

ALSO PUBLISHED AS: 20060036165

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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The invention is directed biopsy site markers and methods of marking a biopsy site, so that the location of the biopsy cavity is readily visible by conventional imaging methods, particularly by ultrasonic imaging. The biopsy site markers of the invention have high ultrasound reflectivity, presenting a substantial acoustic signature from a small marker, so as to avoid obscuring diagnostic tissue features in subsequent imaging studies, and can be readily distinguished from biological features. The several disclosed embodiments of the biopsy site marker of the invention have a high contrast of acoustic impedance as placed in a tissue site, so as to efficiently reflect and scatter ultrasonic energy, and preferably include gas-filled internal pores. The markers may have a non-uniform surface contour to enhance the acoustic signature. The markers have a characteristic form which is recognizably artificial during medical imaging. The biopsy site marker may be accurately fixed to the biopsy site so as to resist migration from the biopsy cavity when a placement instrument is withdrawn, and when the marked tissue is subsequently moved or manipulated.

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First Claim

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Patent Owner(s)

Patent OwnerAddressTotal Patents
SENORX, INC.IRVINE, CA114

International Classification(s)

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  • [Patents Count]

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Burbank, Fred H San Juan Capistrano, CA 201 6022
De, Santis Stephen A Laguna Niguel, CA 10 395
Jones, Michael L Capistrano Beach, CA 255 5440
Louw, Frank Carlsbad, CA 35 619
Lubock, Paul Laguna Niguel, CA 313 6016
Quick, Richard L Trabuco Canyon, CA 151 3456

Cited Art Landscape

Patent Info (Count) # Cites Year
 
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6,270,464 Biopsy localization method and device 83 1999
6,371,904 Subcutaneous cavity marking device and method 147 1999
6,350,244 Bioabsorable markers for use in biopsy procedures 62 2000
* 2002/0035,324 Subcutaneous cavity marking device and method 53 2001
2006/0036,159 Biopsy cavity marking device 33 2005
 
SENORX, INC. (8)
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2004/0236,211 Marker or filler forming fluid 24 2003
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2004/0236,213 Marker delivery device with releasable plug 44 2004
2005/0065,453 Biopsy device with selectable tissue receiving aperture orientation and site illumination 75 2004
2005/0119,562 Fibrous marker formed of synthetic polymer strands 46 2004
2005/0143,656 Cavity-filling biopsy site markers 20 2004
 
BOARD OF REGENTS, THE UNIVERSITY OF TEXAS SYSTEM (5)
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* Cited By Examiner

Patent Citation Ranking

Forward Cite Landscape

Patent Info (Count) # Cites Year
 
C.R. BARD, INC. (4)
D716450 Tissue marker for intracorporeal site identification 0 2013
D716451 Tissue marker for intracorporeal site identification 0 2013
D715942 Tissue marker for intracorporeal site identification 0 2013
D715442 Tissue marker for intracorporeal site identification 0 2013
 
SENORX, INC. (2)
8,639,315 Marker or filler forming fluid 4 2013
8,880,154 Fibrous marker and intracorporeal delivery thereof 0 2013
 
COOK MEDICAL TECHNOLOGIES LLC (1)
8,855,747 Engaged fiducials and system for deployment 0 2012
 
RAINBOW MEDICAL LTD. (1)
8,617,150 Reflectance-facilitated ultrasound treatment 0 2010
* Cited By Examiner

Maintenance Fees

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7.5 Year Payment $3600.00 $1800.00 $900.00 Jan 21, 2017
11.5 Year Payment $7400.00 $3700.00 $1850.00 Jan 21, 2021
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