US Patent No: 4,240,434

Number of patents in Portfolio can not be more than 2000

Peritoneo-venous shunt

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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A peritoneo-venous shunt for the surgical management of ascites includes a perforated inlet catheter with an asymetrical, one-way valve attached to and contained within a pump body, a venous catheter and a plurality of x-ray absorbing markers placed along the catheters for ascertaining their positioning in a patient.

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First Claim

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Patent Owner(s)

Patent OwnerAddressTotal Patents
DBI ACQUISITION, INC.EVERGREEN, CO2

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Newkirk, John B Evergreen, CO 4 186

Cited Art Landscape

Patent Info (Count) # Cites Year
 
DENSO CORPORATION (1)
2005/0189,513 Bearing support device 2005

Patent Citation Ranking

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Patent Info (Count) # Cites Year
 
BOSTON SCIENTIFIC SCIMED, INC. (9)
6,796,976 Establishing access to the body 14 1999
6,981,964 Draining bodily fluids with a stent 3 2001
6,790,223 Delivering a uretheral stent 11 2001
7,651,529 Stricture retractor 2 2003
7,112,226 Male urethral stent device 1 2004
7,678,100 Apparatus for establishing access to the body 1 2004
7,691,078 Draining bodily fluids with a stent 1 2005
7,527,651 Male urethral stent device 0 2006
7,918,815 Draining bodily fluids with a stent 0 2010
 
ABBOTT MEDICAL OPTICS INC. (5)
5,558,629 Glaucoma implant 124 1992
5,476,445 Glaucoma implant with a temporary flow restricting seal 146 1994
6,050,970 Method and apparatus for inserting a glaucoma implant in an anterior and posterior segment of the eye 125 1997
8,353,856 Glaucoma drainage shunts and methods of use 0 2008
8,702,639 Glaucoma shunts with flow management and improved surgical performance 0 2010
 
SEQUANA MEDICAL AG (4)
8,398,577 Implantable fluid management device for the removal of excess fluid 1 2007
8,517,973 Implantable fluid management system for the removal of excess fluid 0 2011
8,585,635 Systems and methods for treating chronic liver failure based on peritoneal dialysis 0 2012
8,771,221 Implantable fluid management device for the removal of excess fluid 0 2013
 
C.R. BARD, INC. (2)
5,160,325 Catheter with novel lumens shapes 79 1991
5,261,885 Valved catheter 42 1992
 
PROSTALUND AB (2)
7,766,899 Partial-length, indwelling prostatic catheter using coiled inflation tube as an anchor and methods of draining urine and flushing clots 2 2003
7,662,145 Partial-length indwelling urinary catheter and method permitting selective urine discharge 4 2005
 
REGENTS OF THE UNIVERSITY OF MINNESOTA (2)
4,657,530 Compression pump-catheter 16 1984
4,610,658 Automated peritoneovenous shunt 64 1985
 
CALIFORNIA INSTITUTE OF TECHNOLOGY (1)
7,524,298 Device and method for treating hydrocephalus 18 2005
 
CLINICAL PLASTIC PRODUCTS SA., 5, RUE L.-J. CHEVROLET CH-2300 LA CHAUX-DE-FONDS SWITZERLAND (1)
4,685,905 Implantable arterial catheter, especially multidose injection catheter 49 1986
 
DBI ACQUISITION, INC. (1)
4,850,955 Body fluid transfer device 52 1986
 
JOHNSON & JOHNSON PROFESSIONAL, INC. (1)
4,474,569 Antenatal shunt 49 1982
 
MEDTRONIC, INC. (1)
8,292,856 Implantable cerebral spinal fluid drainage system 0 2007
 
MINU, L.L.C. (1)
5,713,844 Device and method for regulating intraocular pressure 108 1997
 
SCIMED LIFE SYSTEMS, INC. (1)
6,576,008 Methods and device for inserting and withdrawing a two piece stent across a constricting anatomic structure 7 2001
 
SRS MEDICAL SYSTEMS, LLC (1)
7,951,064 Endourethral device and method 0 2006
 
Other [Check patent profile for assignment information] (10)
4,501,263 Method for reducing hypertension of a liver 82 1982
4,554,918 Ocular pressure relief device 129 1982
4,729,761 Tissue-implantable, fluid-dissipating device 54 1985
4,781,675 Infusion cannula 49 1987
5,766,209 Prosthesis intended for the treatment of a natural lumen or tract, in particular an endo-urethral prosthesis 87 1995
5,728,061 Device and method for treating hydrocephalus 8 1996
6,290,666 Prosthesis intended for the treatment of a natural lumen or tract, in particular an endo-urethral prosthesis 17 1998
6,193,682 Low profile neonatal hydrocephalus device and methods 7 1998
6,629,950 Fluid delivery system 21 1999
8,734,379 Fetal shunt 0 2010