Tissue site markers for in vivo imaging

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO

7565191

APP PUB NO

20060036165A1

SERIAL NO

11238201

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ATTORNEY / AGENT: (SPONSORED)

Importance

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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be accurately fixed to the biopsy site so as to resist migration from the biopsy cavity when a placement instrument is withdrawn, and when the marked tissue is subsequently moved or manipulated.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, CA132

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Burbank, Fred H Laguna Niguel , US 141 8496
De, Santis Stephen A Laguna Niguel , US 7 547
Jones, Michael L Capistrano Beach , US 191 7440
Louw, Frank Carlsbad , US 22 1007
Lubock, Paul Laguna Niguel , US 230 8690
Quick, Richard L Mission Viejo , US 109 5034

Cited Art Landscape

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* Cited By Examiner

Patent Citation Ranking

Forward Cite Landscape

Patent Info (Count) # Cites Year
 
VARIAN MEDICAL SYSTEMS, INC. (1)
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RAINBOW MEDICAL LTD. (3)
8617150 Reflectance-facilitated ultrasound treatment 1 2010
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COOK MEDICAL TECHNOLOGIES LLC (4)
9042964 System and method for fiducial deployment via slotted needle 0 2010
* 2010/0280,367 SYSTEM AND METHOD FOR FIDUCIAL DEPLOYMENT 3 2010
8855747 Engaged fiducials and system for deployment 0 2012
9522264 Ratchet-slide handle and system for fiducial deployment 0 2014
 
C.R. BARD, INC. (4)
D716450 Tissue marker for intracorporeal site identification 0 2013
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SENORX, INC. (6)
8639315 Marker or filler forming fluid 8 2013
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9237937 Cavity-filling biopsy site markers 1 2015
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* Cited By Examiner

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