Peritoneo-venous shunt

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 4240434
SERIAL NO

05949734

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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, CO0

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Newkirk, John B Rte. 2, Box 302EE, Evergreen, CO 80439 4 293

Cited Art Landscape

Patent Info (Count) # Cites Year
 
DENSO CORPORATION (1)
* 2005/0189,513 Bearing support device 0 2005
* Cited By Examiner

Patent Citation Ranking

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Patent Info (Count) # Cites Year
 
CLINICAL PLASTIC PRODUCTS SA., 5, RUE L.-J. CHEVROLET CH-2300 LA CHAUX-DE-FONDS SWITZERLAND (1)
* 4685905 Implantable arterial catheter, especially multidose injection catheter 67 1986
 
Other [Check patent profile for assignment information] (13)
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* 4554918 Ocular pressure relief device 172 1982
* 4729761 Tissue-implantable, fluid-dissipating device 77 1985
* 4781675 Infusion cannula 79 1987
* 5766209 Prosthesis intended for the treatment of a natural lumen or tract, in particular an endo-urethral prosthesis 91 1995
* 5728061 Device and method for treating hydrocephalus 11 1996
6290666 Prosthesis intended for the treatment of a natural lumen or tract, in particular an endo-urethral prosthesis 22 1998
6193682 Low profile neonatal hydrocephalus device and methods 16 1998
6629950 Fluid delivery system 42 1999
* 2006/0122,709 Prosthesis intended for the treatment of a natural lumen or tract, in particular an endo-urethral prosthesis 9 2006
* 8734379 Fetal shunt 0 2010
* 2013/0006,162 FETAL SHUNT 0 2010
9295821 Cerebrospinal fluid drainage 1 2013
 
JOHNSON & JOHNSON PROFESSIONAL, INC. (1)
* 4474569 Antenatal shunt 127 1982
 
REGENTS OF THE UNIVERSITY OF MINNESOTA (2)
* 4657530 Compression pump-catheter 23 1984
* 4610658 Automated peritoneovenous shunt 80 1985
 
CALIFORNIA INSTITUTE OF TECHNOLOGY (4)
* 7524298 Device and method for treating hydrocephalus 35 2005
* 2005/0277,865 Device and method for treating hydrocephalus 11 2005
9656009 Cardiac assist system using helical arrangement of contractile bands and helically-twisting cardiac assist device 0 2008
9125655 Correction and optimization of wave reflection in blood vessels 3 2011
 
C. R. BARD, INC. (2)
* 5160325 Catheter with novel lumens shapes 122 1991
* 5261885 Valved catheter 53 1992
 
SCIMED LIFE SYSTEMS, INC. (2)
6576008 Methods and device for inserting and withdrawing a two piece stent across a constricting anatomic structure 9 2001
* 2003/0199,988 Method and device for inserting and withdrawing a two piece stent across a constricting anatomic structure 16 2003
 
MEDTRONIC, INC. (3)
* 8292856 Implantable cerebral spinal fluid drainage system 2 2007
* 2008/0097,276 IMPLANTABLE CEREBRAL SPINAL FLUID DRAINAGE SYSTEM 21 2007
9731101 Method of using a system for draining cerebral spinal fluid 0 2012
 
PROSTALUND AB (4)
7766899 Partial-length, indwelling prostatic catheter using coiled inflation tube as an anchor and methods of draining urine and flushing clots 2 2003
* 2005/0059,929 Partial-length, indwelling prostatic catheter using coiled inflation tube as an anchor and methods of draining urine and flushing clots 2 2003
7662145 Partial-length indwelling urinary catheter and method permitting selective urine discharge 4 2005
* 2006/0111,691 Partial-length indwelling urinary catheter and method permitting selective urine discharge 8 2005
 
PIOLAX MEDICAL DEVICES, INC. (1)
* 2004/0116,844 Catheter for use in peritoneovenous shunt 0 2002
 
Minu, LLC (1)
* 5713844 Device and method for regulating intraocular pressure 171 1997
 
SRS MEDICAL SYSTEMS, LLC (2)
7951064 Endourethral device and method 0 2006
* 2006/0116,547 Endourethral device & method 1 2006
 
DENVER BIOMATERIALS, INC. (1)
* 4850955 Body fluid transfer device 65 1986
 
PROSTALUND OPERATIONS AB (1)
* 2005/0080,399 Urinary catheter and method with increased resistance to obstructions 15 2004
 
Nordgren Corporation (1)
* 2005/0043,703 Slit valves for catheter tips and methods 31 2003
 
BOSTON SCIENTIFIC SCIMED, INC. (10)
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6981964 Draining bodily fluids with a stent 4 2001
6790223 Delivering a uretheral stent 13 2001
7651529 Stricture retractor 3 2003
7112226 Male urethral stent device 2 2004
7678100 Apparatus for establishing access to the body 8 2004
* 2005/0049,570 Apparatus and method for establishing access to the body 9 2004
7691078 Draining bodily fluids with a stent 2 2005
7527651 Male urethral stent device 0 2006
7918815 Draining bodily fluids with a stent 0 2010
 
SEQUANA MEDICAL AG (10)
* 8398577 Implantable fluid management device for the removal of excess fluid 19 2007
* 2009/0318,844 IMPLANTABLE FLUID MANAGEMENT DEVICE FOR THE REMOVAL OF EXCESS FLUID 11 2007
8517973 Implantable fluid management system for the removal of excess fluid 3 2011
9149613 Apparatus and methods for treating intracorporeal fluid accumulation 0 2012
9039652 Apparatus and methods for treating intracorporeal fluid accumulation 1 2012
8585635 Systems and methods for treating chronic liver failure based on peritoneal dialysis 7 2012
8771221 Implantable fluid management device for the removal of excess fluid 0 2013
9421347 Implantable fluid management system for the removal of excess fluid 0 2013
8882699 Implantable fluid management system for the removal of excess fluid 0 2013
9675327 Apparatus and methods for noninvasive monitoring of cancerous cells 0 2014
 
ABBOTT MEDICAL OPTICS INC. (8)
* 5558629 Glaucoma implant 195 1992
* 5476445 Glaucoma implant with a temporary flow restricting seal 247 1994
* 6050970 Method and apparatus for inserting a glaucoma implant in an anterior and posterior segment of the eye 219 1997
8353856 Glaucoma drainage shunts and methods of use 2 2008
8702639 Glaucoma shunts with flow management and improved surgical performance 0 2010
* 2010/0249,691 GLAUCOMA SHUNTS WITH FLOW MANAGEMENT AND IMPROVED SURGICAL PERFORMANCE 42 2010
8920357 Glaucoma drainage shunts and methods of use 1 2012
9468558 Glaucoma drainage shunts and methods of use 0 2014
* Cited By Examiner