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)

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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be accurately fixed to the biopsy site so as to resist migration from the biopsy cavity when a placement instrument is withdrawn, and when the marked tissue is subsequently moved or manipulated.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, CA133

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Burbank, Fred H Laguna Niguel , US 141 8860
De, Santis Stephen A Laguna Niguel , US 7 582
Jones, Michael L Capistrano Beach , US 191 7858
Louw, Frank Carlsbad , US 22 1082
Lubock, Paul Laguna Niguel , US 230 9268
Quick, Richard L Mission Viejo , US 109 5303

Cited Art Landscape

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Patent Citation Ranking

Forward Cite Landscape

Patent Info (Count) # Cites Year
 
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* Cited By Examiner

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