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be accurately fixed to the biopsy site so as to resist migration from the biopsy cavity when a placement instrument is withdrawn, and when the marked tissue is subsequently moved or manipulated.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, CA120

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 204 6622
De, Santis Stephen A Laguna Niguel, CA 10 451
Jones, Michael L Capistrano Beach, CA 261 5973
Louw, Frank Carlsbad, CA 35 737
Lubock, Paul Laguna Niguel, CA 326 6697
Quick, Richard L Trabuco Canyon, CA 155 3845

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)
* 2009/0216,115 Anchoring wirless markers within a human body 4 2005
 
RAINBOW MEDICAL LTD. (2)
8,617,150 Reflectance-facilitated ultrasound treatment 0 2010
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COOK MEDICAL TECHNOLOGIES LLC (2)
9,042,964 System and method for fiducial deployment via slotted needle 0 2010
8,855,747 Engaged fiducials and system for deployment 0 2012
 
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. (4)
8,639,315 Marker or filler forming fluid 6 2013
8,880,154 Fibrous marker and intracorporeal delivery thereof 0 2013
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* 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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