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be accurately fixed to the biopsy site so as to resist migration from the biopsy cavity when a placement instrument is withdrawn, and when the marked tissue is subsequently moved or manipulated.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, CA115

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 198 5487
De, Santis Stephen A Laguna Niguel, CA 10 354
Jones, Michael L Capistrano Beach, CA 251 4972
Louw, Frank Carlsbad, CA 35 515
Lubock, Paul Laguna Niguel, CA 304 5404
Quick, Richard L Trabuco Canyon, CA 147 3132

Cited Art Landscape

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Patent Citation Ranking

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Patent Info (Count) # Cites Year
 
SENORX, INC. (1)
8,639,315 Marker or filler forming fluid 0 2013
 
Other [Check patent profile for assignment information] (1)
8,617,150 Reflectance-facilitated ultrasound treatment 0 2010

Maintenance Fees

Fee Large entity fee small entity fee micro entity fee due date
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
Fee Large entity fee small entity fee micro entity fee
Surcharge - 7.5 year - Late payment within 6 months $160.00 $80.00 $40.00
Surcharge - 11.5 year - Late payment within 6 months $160.00 $80.00 $40.00
Surcharge after expiration - Late payment is unavoidable $700.00 $350.00 $175.00
Surcharge after expiration - Late payment is unintentional $1,640.00 $820.00 $410.00

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