Patents Assigned to Providence Health System-Oregon
  • Publication number: 20110274726
    Abstract: The invention provides a solid foam wound dressing useful for hemorrhage control and wound repair, as well as methods for making such a wound dressing.
    Type: Application
    Filed: October 6, 2009
    Publication date: November 10, 2011
    Applicant: PROVIDENCE HEALTH SYSTEM - OREGON
    Inventors: Jian Xin Guo, Kenton W. Gregory
  • Patent number: 7820872
    Abstract: A chitosan biomaterial is frozen in aqueous solution to form a frozen chitosan structure from which water is removed by a prescribed freeze-drying process to form a sponge-like chitosan structure having a thickness and a density. The sponge-like chitosan structure is compressed by application of heat and pressure to reduce the thickness and increase the density of the sponge-like chitosan structure to form a densified chitosan structure. The densified chitosan structure is further preconditioned by heating the densified chitosan structure according to prescribed conditions to form a wound dressing. The wound dressing possesses an adhesion strength and resistance to dissolution in high blood flow bleeding situations.
    Type: Grant
    Filed: October 31, 2007
    Date of Patent: October 26, 2010
    Assignee: Providence Health System-Oregon
    Inventors: Kenton W Gregory, Simon McCarthy
  • Publication number: 20090192825
    Abstract: A process and/or system that extracts selected information from e.g. traditional electronics medical records to enable analysis of a determined medical condition shared by multiple patients. A data warehouse receives the extracted information and reformats that information to enable rapid analysis by a health care provider of that provider's patient population having that medical condition. It further collects the selective data of the selected patients for multiple health care providers and enables comparisons of health care providers' success for such patients to promote upgrading of the treatment by less successful providers.
    Type: Application
    Filed: March 12, 2009
    Publication date: July 30, 2009
    Applicant: Providence Medical Group, a Division of Providence Health System-Oregon
    Inventors: Jacquelyn Suzanne Hunt, Joseph Siemienczuk
  • Publication number: 20090169593
    Abstract: A device implantable within a human body, and a method for producing the device, are provided. The device comprises a biocompatible coating on at least a portion of an outer surface of a substrate. The biocompatible coating comprises tropoelastin. A biocompatible coating is formed in situ on the outer surface of the substrate.
    Type: Application
    Filed: October 19, 2006
    Publication date: July 2, 2009
    Applicants: BIOMEDICAL RESEARCH SERVICES, INC., PROVIDENCE HEALTH SYSTEMS - Oregon, an Oregon Nonprofit Corporation
    Inventors: Kenton W. Gregory, Robert Glanville, Hooi-Sung Kim, Rui-Qing Qian, Carl Wamser
  • Publication number: 20090164249
    Abstract: A customizable patient management system, comprising of a patient database including a plurality of patient specific care parameters, a user-interface to select a one or more patient specific care parameters for sorting the patient database, and a data processing system, configured to sort the patient database based on the selected care parameters and display a set of patients corresponding to the selected care parameters where the set of patients may be at risk for or have a common health condition.
    Type: Application
    Filed: December 21, 2007
    Publication date: June 25, 2009
    Applicant: PROVIDENCE MEDICAL GROUP, A DIVISION OF PROVIDENCE HEALTH SYSTEM - OREGON
    Inventors: Jacquelyn Suzanne Hunt, Joseph Siemienczuk
  • Publication number: 20090164237
    Abstract: A patient management system, comprising of a care provider interface, configured to receive a selection of a plurality of individual patients and a data processing system, configured to automatically generate a plurality of personalized patient-specific communications based on the selection, the communication directed to individual selected patients, each patient communication including at least one personalized patient care parameter specific to the individual selected patient.
    Type: Application
    Filed: December 21, 2007
    Publication date: June 25, 2009
    Applicant: PROVIDENCE MEDICAL GROUP, a Division of Providence Health System - Oregon
    Inventors: Jacquelyn Suzanne Hunt, Joseph Siemienczuk
  • Patent number: 7523042
    Abstract: A process and/or system that extracts selected information from e.g. traditional electronics medical records to enable analysis of a determined medical condition shared by multiple patients. A data warehouse receives the extracted information and reformats that information to enable rapid analysis by a health care provider of that provider's patient population having that medical condition. It further collects the selective data of the selected patients for multiple health care providers and enables comparisons of health care providers' success for such patients to promote upgrading of the treatment by less successful providers.
    Type: Grant
    Filed: January 17, 2003
    Date of Patent: April 21, 2009
    Assignee: Providence Medical Group, a division of Providence Health System - Oregon
    Inventors: Jacquelyn Suzanne Hunt, Joseph Siemienczuk
  • Patent number: 7482503
    Abstract: This invention is directed to advanced hemorrhage control wound dressings, and methods of using a producing same. The subject wound dressing is constructed from a non-mammalian material for control of severe bleeding. The wound dressing is formed of a biomaterial comprising chitosan for controlling severe bleeding. The kind of severe, life-threatening bleeding contemplated by this invention is typically of the type not capable of being stanched when a conventional gauze wound dressing is applied with conventional pressure to the subject wound. The wound dressing being capable of substantially stanching the flow of the severe life-threatening bleeding from the wound by adhering to the wound site, to seal the wound, to accelerate blood clot formation at the wound site, to reinforce clot information at the wound site and prevent bleed out from the wound site, and to substantially prohibit the flow of blood out of the wound site.
    Type: Grant
    Filed: June 14, 2002
    Date of Patent: January 27, 2009
    Assignees: Providence Health System-Oregon
    Inventors: Kenton W Gregory, Simon McCarthy
  • Patent number: 7371403
    Abstract: This invention is directed to advanced hemorrhage control wound dressings, and methods of using and producing same. The subject wound dressing is constructed from a non-mammalian material for control of severe bleeding. The wound dressing for controlling severe bleeding is formed of a biomaterial comprising chitosan, a hydrophilic polymer, a polyacrylic polymer or a combination thereof. The kind of severe, life-threatening bleeding contemplated by this invention is typically of the type not capable of being stanched when a conventional gauze wound dressing is applied with conventional pressure to the subject wound. The wound dressing being capable of substantially stanching the flow of the severe life-threatening bleeding from the wound by adhering to the wound site, to seal the wound, to accelerate blood clot formation at the wound site, to reinforce clot formation at the wound site and prevent bleed out from the wound site, and to substantially prohibit the flow of blood out of the wound site.
    Type: Grant
    Filed: December 23, 2003
    Date of Patent: May 13, 2008
    Assignees: Providence Health System-Oregon
    Inventors: Simon J. McCarthy, Kenton W. Gregory, William P. Wiesmann, Todd D. Campbell
  • Patent number: 7322932
    Abstract: A bioprosthetic valve graft comprises a valve frame and valve flaps, the latter acting to open or close a valve aperture to directionally control fluid flow through the bioprosthesis. The bioprosthetic valve graft comprises method for suturelessly attaching a biomaterial suturelessly bonded to the A method for securing a biomaterial to a valve frame includes positioning a flexible valve frame defining an open area on a first major surface of a biomaterial sheet having a peripheral edge, wherein positioning serves to approximate the valve frame and the peripheral edge of the biomaterial sheet to form an at least first bonding locus; and suturelessly bonding the biomaterial to the valve frame at the at least first bonding locus. The method avoids the disadvantages associated with conventional sutures and substantially reduces medical complications in implantations.
    Type: Grant
    Filed: February 2, 2004
    Date of Patent: January 29, 2008
    Assignee: Providence Health System - Oregon
    Inventors: Hua Xie, Lisa A. Buckley
  • Patent number: 7166124
    Abstract: A bioprosthetic stent graft is disclosed, having a stent frame and a biomaterial sheath suturelessly bonded to the stent frame. Sutureless bonding avoids sutures and substantially reducing medical complications in implantation of the stent graft. A device and method for manufacturing the stent graft further is disclosed. A mandrel is employed for shaping the stent graft, and means for irradiating the biomaterial effects sutureless bonding.
    Type: Grant
    Filed: March 21, 2002
    Date of Patent: January 23, 2007
    Assignee: Providence Health System - Oregon
    Inventors: Hua Xie, Lisa A. Buckley
  • Patent number: 7163556
    Abstract: A bioprosthetic valve graft comprises a valve frame and valve flaps, the latter acting to open or close a valve aperture to directionally control fluid flow through the bioprosthesis. The bioprosthetic valve graft comprises a biomaterial suturelessly bonded to the valve frame, avoiding sutures and substantially reducing medical complications in implantations.
    Type: Grant
    Filed: March 21, 2002
    Date of Patent: January 16, 2007
    Assignee: Providence Health System - Oregon
    Inventors: Hua Xie, Lisa A. Buckley
  • Patent number: 7001328
    Abstract: It is a general object of the invention to provide a method of effecting repair or replacement or supporting a section of a body tissue using tropoelastin, preferably crosslinked tropoelastin and specifically to provide a tropoelastin biomaterial suitable for use as a stent, for example, a vascular stent, or as conduit replacement, as an artery, vein or a ureter replacement. The tropoelastin biomaterial itself can also be used as a stent or conduit covering or coating or lining.
    Type: Grant
    Filed: February 7, 1997
    Date of Patent: February 21, 2006
    Assignees: Providence Health Systems-Oregon
    Inventors: Andrew D. Barofsky, Kenton W. Gregory
  • Patent number: 6896809
    Abstract: One method for purifying a chitosan starting material includes contacting it with at least one treatment agent selected from a protein-complexing agent, a metal-chelating agent, and a metal-complexing agent under pH conditions effective for forming a water insoluble chitosan precipitate and at least one water soluble material selected from a water soluble protein complex, a water soluble metal chelate, and a water soluble metal complex. Another variant involves solubilizing the chitosan starting material in an aqueous solution to produce an intermediate chitosan material. The intermediate chitosan material is contacted with a deproteinization agent and/or a demetallization agent under pH conditions effective for forming a water insoluble chitosan precipitate and at least one water soluble material that includes the pre-existing impurity. In both methods, the water insoluble chitosan precipitate and the water soluble material are separated resulting in a purified chitosan material.
    Type: Grant
    Filed: December 20, 2002
    Date of Patent: May 24, 2005
    Assignee: Providence Health System - Oregon
    Inventors: Rui Qing Qian, Robert W. Glanville
  • Patent number: 6855139
    Abstract: An automated energy irradiator guidance system is disclosed which reduces the potential for human error and improves the consistency and repeatability of tissue welding techniques. The system includes a mapper, a patternizer, an energy director and can additionally include an energy regulator. An interface is included, allowing pattern creation, selection and editing by a user. The system further provides control of energy irradiator parameters for use in tissue welding.
    Type: Grant
    Filed: April 24, 2002
    Date of Patent: February 15, 2005
    Assignees: Providence Health System-Oregon
    Inventors: Karen Marie Ahle, Brooke C. Basinger, Jason De Camp, Kenton W. Gregory, Elizabeth Whitney Johansen, Benjamin Charles Martin, Cyndia A. Sweet
  • Patent number: 6760609
    Abstract: A method for determining an arterial blood oxygen saturation level according to this invention includes measuring the light transmittance through tissue of light of a first wavelength and a second wavelength. A steady-state component of the measured light transmission is used to select an appropriate calibration curve. A pulsatile component of the measured light transmission is used to determine the arterial blood oxygen saturation level using the selected calibration curve. An oximetry system is also provided. An improved oximetry system is further provided wherein a plurality of light transmission measurements are used to determine a blood oxygen saturation level.
    Type: Grant
    Filed: July 15, 2002
    Date of Patent: July 6, 2004
    Assignee: Providence Health System - Oregon
    Inventor: Steven L. Jacques
  • Patent number: 6680063
    Abstract: The present invention provides a denatured albumin lamina, useful for repairing lesions on solid visceral organs. The lamina comprises human serum albumin, formed into a thin, pliant sheet and denatured. The denatured lamina can be sterilized and stored until used. As well, it can be impregnated with a variety of bioagents. A method for repairing a lesion on a solid visceral organ includes applying an energy-absorbing proteinaceous material to a lesion site on the solid visceral organ lesion; irradiating the proteinaceous material with energy sufficient to fuse the energy-absorbing material at least partially to the lesion site; applying a biocompatible denatured albumin lamina onto the proteinaceous material on the lesion site; and irradiating the biocompatible albumin lamina and the proteinaceous material with energy sufficient to fuse the biocompatible albumin lamina to the proteinaceous material and/or the lesion site.
    Type: Grant
    Filed: October 6, 2000
    Date of Patent: January 20, 2004
    Assignee: Providence Health System-Oregon
    Inventors: Yasmin Wadia, Scott Alan Prahl
  • Patent number: 6667051
    Abstract: The invention is directed to a method including the steps of providing at least one layer of unlaminated elastin or unlaminated elastin-based materials or unlaminated tropoelastin materials. Then, the unlaminated elastin or unlaminated elastin-based materials or unlaminated tropoelastin materials is subjected to heating and pressing steps. The pressing step of the present invention is preferably conducted in the presence of steam. The laminated elastin or laminated elastin-based materials or laminated tropoelastin materials preferably comprises a multi-layer composite material. Typically, the step of adhering with an adhesive material the laminated elastin or laminated elastin-based materials or laminated tropoelastin materials is employed in order to achieve a water-tight engagement with the tissue substrate. A biogradable cyanacrylate glue is generally used in order to achieve quick and easy way to secure the patch in place and provide watertight fusion instantly.
    Type: Grant
    Filed: November 28, 2001
    Date of Patent: December 23, 2003
    Assignees: Providence Health System-Oregon
    Inventor: Kenton W. Gregory
  • Patent number: 6660001
    Abstract: A myocardial revascularization device has a catheter suitable for use in a myocardial revascularization procedure, the catheter including an elongate body having a proximal end and a distal end, and tissue-ablating means housed at least partially within the catheter and capable of effectuating tissue ablation adjacent the distal end of the catheter. The device further has an optical reflectance fiber housed within the catheter and coupled to an optical reflectance system. The device is operative to transmit a reflectance signal in the optical reflectance fiber, the reflectance signal including either short optical pulses or low-coherence light. The optical reflectance system is operative to gauge tissue ablation, measure a thickness of tissue adjacent the catheter, and/or determine a position of the distal end relative to adjacent tissue using either of optical time-domain reflectance or optical coherence interferometry.
    Type: Grant
    Filed: January 19, 2001
    Date of Patent: December 9, 2003
    Assignees: Providence Health System-Oregon
    Inventor: Kenton W. Gregory
  • Patent number: RE43134
    Abstract: The present invention provides a denatured albumin lamina, useful for repairing lesions on solid visceral organs. The lamina comprises human serum albumin, formed into a thin, pliant sheet and denatured. The denatured lamina can be sterilized and stored until used. As well, it can be impregnated with a variety of bioagents. A method for repairing a lesion on a solid visceral organ includes applying an energy-absorbing proteinaceous material to a lesion site on the solid visceral organ lesion; irradiating the proteinaceous material with energy sufficient to fuse the energy-absorbing material at least partially to the lesion site; applying a biocompatible denatured albumin lamina onto the proteinaceous material on the lesion site; and irradiating the biocompatible albumin lamina and the proteinaceous material with energy sufficient to fuse the biocompatible albumin lamina to the proteinaceous material and/or the lesion site.
    Type: Grant
    Filed: April 8, 2005
    Date of Patent: January 24, 2012
    Assignee: Providence Health System - Oregon
    Inventors: Yasmin Wadia, Scott Alan Prahl