Patents by Inventor Eugene T. Michal

Eugene T. Michal has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 7094256
    Abstract: Coatings for implantable medical devices and methods for fabricating the same are disclosed. The coatings include carboxylated acrylates and polycationic peptides, for example R7.
    Type: Grant
    Filed: December 16, 2002
    Date of Patent: August 22, 2006
    Assignee: Advanced Cardiovascular Systems, Inc.
    Inventors: Ashok A. Shah, Eugene T. Michal
  • Patent number: 7070798
    Abstract: A coating for an implantable medical device is disclosed. The coating comprises a polymer and an amino acid chemically bonded, attached or conjugated to the polymer. In one embodiment, the coating can include a therapeutic substance. In lieu of bonding the amino acid to the polymer, the amino acid can be chemically bonded to the therapeutic substance or both the substance and the polymer. The amino acid can be polymers and/or oligomers of L-arginine, and copolymers of L-arginine with lysine. The coating can optionally include a nitric oxide donor, such as diazenium diolate type nitric oxide donors, chemically conjugated to the amino acid.
    Type: Grant
    Filed: June 21, 2002
    Date of Patent: July 4, 2006
    Assignee: Advanced Cardiovascular Systems, Inc.
    Inventors: Eugene T Michal, Syed F A Hossainy, Paul M Consigny
  • Patent number: 7056523
    Abstract: An implantable medical device, such as a stent, is disclosed comprising an amino acid or a polypeptide bonded to a plasma polymerized film layer formed on the device. A method of manufacturing the same is also disclosed.
    Type: Grant
    Filed: June 21, 2002
    Date of Patent: June 6, 2006
    Assignee: Advanced Cardiovascular Systems, Inc.
    Inventors: Charles D. Claude, Eugene T. Michal
  • Patent number: 7033602
    Abstract: Coatings for medical devices which include polycationic peptides such as L-arginine and methods for fabricating the coatings are disclosed.
    Type: Grant
    Filed: June 21, 2002
    Date of Patent: April 25, 2006
    Assignee: Advanced Cardiovascular Systems, Inc.
    Inventors: Stephen D. Pacetti, Eugene T Michal, Syed F A Hossainy, Ni Ding, Wouter E Roorda
  • Patent number: 6994867
    Abstract: L-arginine conjugated to a polymeric matrix is disclosed. The matrix can be used as, for example, a coating for an implantable medical device such as a stent.
    Type: Grant
    Filed: June 21, 2002
    Date of Patent: February 7, 2006
    Assignee: Advanced Cardiovascular Systems, Inc.
    Inventors: Syed F A Hossainy, Eugene T Michal, Charles D. Claude
  • Publication number: 20040213756
    Abstract: Methods, devices, kits and compositions to treat a myocardial infarction. In one embodiment, the method includes the prevention of remodeling of the infarct zone of the ventricle. In other embodiments, the method includes the introduction of structurally reinforcing agents. In other embodiments, agents are introduced into a ventricle to increase compliance of the ventricle. In an alternative embodiment, the prevention of remodeling includes the prevention of thinning of the ventricular infarct zone. In another embodiment, the prevention of remodeling and thinning of the infarct zone involves the cross-linking of collagen and prevention of collagen slipping. In other embodiments, the structurally reinforcing agent may be accompanied by other therapeutic agents. These agents may include but are not limited to pro-fibroblastic and angiogenic agents.
    Type: Application
    Filed: April 15, 2003
    Publication date: October 28, 2004
    Inventors: Eugene T. Michal, Evgenia Mandrusov, Charles D. Claude, Ni Ding, Murthy Simhambhatla, Syed Faiyaz Ahmed Hossainy, Srinivasan Sridharan, Paul Consigny
  • Publication number: 20040208845
    Abstract: Methods, devices, kits and compositions to treat a myocardial infarction. In one embodiment, the method includes the prevention of remodeling of the infarct zone of the ventricle. In other embodiments, the method includes the introduction of structurally reinforcing agents. In other embodiments, agents are introduced into a ventricle to increase compliance of the ventricle. In an alternative embodiment, the prevention of remodeling includes the prevention of thinning of the ventricular infarct zone. In another embodiment, the prevention of remodeling and thinning of the infarct zone involves the cross-linking of collagen and prevention of collagen slipping. In other embodiments, the structurally reinforcing agent may be accompanied by other therapeutic agents. These agents may include but are not limited to pro-fibroblastic and angiogenic agents.
    Type: Application
    Filed: April 15, 2003
    Publication date: October 21, 2004
    Inventors: Eugene T. Michal, Evgenia Mandrusov, Charles D. Claude, Ni Ding, Murthy Simhambhatla, Syed Faiyez Ahmed Hossainy, Srinivasan Sridharan, Paul Consigny
  • Patent number: 6793960
    Abstract: A medical device comprising a substrate having a plasma polymerized functionally bonded to at least a portion of the substrate. A superoxide dismutase mimic agent having a complimentary functional group to the plasma polymerized functionality is bonded to the portion of the substrate by bonding to the plasma polymerized functionality.
    Type: Grant
    Filed: December 3, 2001
    Date of Patent: September 21, 2004
    Assignee: Advanced Cardiovascular Systems, Inc.
    Inventors: Eugene T. Michal, Murthy Simhambhatla, Charles D. Claude
  • Publication number: 20040162516
    Abstract: A method including positioning a catheter at a location in a blood vessel; imaging a thickness of a portion of a wall of the blood vessel at the location; identifying a treatment site; advancing a needle a distance into the wall of the blood vessel to the treatment site; and introducing a treatment agent through the needle to the treatment site. A composition including an inflammation-inducing agent and a carrier in the form of microspheres having a particle size suitable for transvascular delivery. A composition including a therapeutic angiogenesis promoter in a carrier and an opsonin-inhibitor coupled to the carrier. An apparatus for delivery of a therapeutic angiogenesis promoter.
    Type: Application
    Filed: February 18, 2004
    Publication date: August 19, 2004
    Inventors: Evgenia Mandrusov, Murthy V. Simhambhatla, Syed Hossainy, Eugene T. Michal, Charles Claude, Jessica G. Chiu
  • Patent number: 6702744
    Abstract: A method including positioning a catheter at a location in a blood vessel; imaging a thickness of a portion of a wall of the blood vessel at the location; identifying a treatment site; advancing a needle a distance into the wall of the blood vessel to the treatment site; and introducing a treatment agent through the needle to the treatment site. A composition including an inflammation-inducing agent and a carrier in the form of microspheres having a particle size suitable for transvascular delivery. A composition including a therapeutic angiogenesis promoter in a carrier and an opsonin-inhibitor coupled to the carrier. An apparatus for delivery of a therapeutic angiogenesis promoter.
    Type: Grant
    Filed: November 30, 2001
    Date of Patent: March 9, 2004
    Assignee: Advanced Cardiovascular Systems, Inc.
    Inventors: Evgenia Mandrusov, Murthy V. Simhambhatla, Syed Hossainy, Eugene T. Michal, Charles Claude, Jessica G. Chiu
  • Publication number: 20040002650
    Abstract: A method including positioning a catheter at a location in a blood vessel; imaging a thickness of a portion of a wall of the blood vessel at the location; identifying a treatment site; advancing a needle a distance into the wall of the blood vessel to the treatment site; and introducing a treatment agent through the needle to the treatment site. A composition including an inflammation-inducing agent and a carrier in the form of microspheres having a particle size suitable for transvascular delivery. A composition including a therapeutic angiogenesis promoter in a carrier and an opsonin-inhibitor coupled to the carrier. An apparatus for delivery of a therapeutic angiogenesis promoter.
    Type: Application
    Filed: November 30, 2001
    Publication date: January 1, 2004
    Inventors: Evgenia Mandrusov, Murthy V. Simhambhatla, Syed Hossainy, Eugene T. Michal, Charles Claude, Jessica G. Chiu
  • Patent number: 6656517
    Abstract: A method of providing a therapeutic, diagnostic or lubricious hydrophilic coating on an intracorporeal medical device and the coated device produced thereby, wherein the coating is durable. In one embodiment, the coating comprises a polymerized base coat and a therapeutic, diagnostic or hydrophilic top coat, where the base coat has a binding component which binds to the top coat, and a grafting component which binds to the binding component and adheres to the device. In another embodiment, the coating comprises a blend of a hydrophilic compound, a grafting component, and salt, wherein the polymerized grafting component contains uncrosslinked domains. The coating of the invention may be applied to a medical device with a polymeric surface such as a polymeric catheter, or a metal device coated with a polymeric primer or without a primer, or to a stent.
    Type: Grant
    Filed: July 25, 2001
    Date of Patent: December 2, 2003
    Assignee: Advanced Cardiovascular Systems, Inc.
    Inventors: Eugene T. Michal, Christopher J. Buchko, Stephen J. Bigus
  • Publication number: 20030104028
    Abstract: A coating for a medical device, particularly for a drug eluting stent, is described. The coating comprises a layer of an organic polymer component containing a therapeutic substance and a layer of an inorganic component for controlling the rate of release of the substance. The inorganic component according to embodiments of the invention includes gold or diamond-like carbon.
    Type: Application
    Filed: November 29, 2001
    Publication date: June 5, 2003
    Inventors: Syed F.A. Hossainy, Wouter E. Roorda, Eugene T. Michal
  • Patent number: 6541116
    Abstract: A method of providing a therapeutic, diagnostic or lubricious hydrophilic coating on an intracorporeal medical device and the coated device produced thereby, wherein the coating is durable. In one embodiment, the coating comprises a polymerized base coat and a top coat having a therapeutic, diagnostic or hydrophilic agent, where the base coat has a binding component which binds to the top coat, and a grafting component which binds to the binding component and adheres to the device. In another embodiment, the coating comprises a blend of an agent, a grafting component, and salt. In one embodiment, the therapeutic agent is superoxide dismutase or a superoxide dismutase mimic. The coating of the invention may be applied to a medical device with a polymeric surface such as a polymeric catheter, or a metal device such as a stent coated with a polymeric primer or without a primer.
    Type: Grant
    Filed: April 6, 2001
    Date of Patent: April 1, 2003
    Assignee: Advanced Cardiovascular Systems, Inc.
    Inventors: Eugene T. Michal, Christopher J. Buchko, Deborah L. Kilpatrick, Stephen J. Bigus
  • Publication number: 20020009535
    Abstract: A method of providing a therapeutic, diagnostic or lubricious hydrophilic coating on an intracorporeal medical device and the coated device produced thereby, wherein the coating is durable. In one embodiment, the coating comprises a polymerized base coat and a top coat having a therapeutic, diagnostic or hydrophilic agent, where the base coat has a binding component which binds to the top coat, and a grafting component which binds to the binding component and adheres to the device. In another embodiment, the coating comprises a blend of an agent, a grafting component, and salt. In one embodiment, the therapeutic agent is superoxide dismutase or a superoxide dismutase mimic. The coating of the invention may be applied to a medical device with a polymeric surface such as a polymeric catheter, or a metal device such as a stent coated with a polymeric primer or without a primer.
    Type: Application
    Filed: April 6, 2001
    Publication date: January 24, 2002
    Applicant: Advanced Cardiovascular Systems, Inc.
    Inventors: Eugene T. Michal, Christopher J. Buchko, Deborah L. Kilpatrick, Stephen J. Bigus
  • Publication number: 20020002353
    Abstract: A method of providing a therapeutic, diagnostic or lubricious hydrophilic coating on an intracorporeal medical device and the coated device produced thereby, wherein the coating is durable. In one embodiment, the coating comprises a polymerized base coat and a therapeutic, diagnostic or hydrophilic top coat, where the base coat has a binding component which binds to the top coat, and a grafting component which binds to the binding component and adheres to the device. In another embodiment, the coating comprises a blend of a hydrophilic compound, a grafting component, and salt, wherein the polymerized grafting component contains uncrosslinked domains. The coating of the invention may be applied to a medical device with a polymeric surface such as a polymeric catheter, or a metal device coated with a polymeric primer or without a primer, or to a stent.
    Type: Application
    Filed: July 25, 2001
    Publication date: January 3, 2002
    Applicant: Advanced Cardiovascular Systems, Inc.
    Inventors: Eugene T. Michal, Christopher J. Buchko, Stephen J. Bigus
  • Patent number: 6287285
    Abstract: A method of providing a therapeutic, diagnostic or lubricious hydrophilic coating on an intracorporeal medical device and the coated device produced thereby, wherein the coating is durable. In one embodiment, the coating comprises a polymerized base coat and a therapeutic, diagnostic or hydrophilic top coat, where the base coat has a binding component which binds to the top coat, and a grafting component which binds to the binding component and adheres to the device. In another embodiment, the coating comprises a blend of a hydrophilic compound, a grafting component, and salt, wherein the polymerized grafting component contains uncrosslinked domains. The coating of the invention may be applied to a medical device with a polymeric surface such as a polymeric catheter, or a metal device coated with a polymeric primer or without a primer, or to a stent.
    Type: Grant
    Filed: January 29, 1999
    Date of Patent: September 11, 2001
    Assignee: Advanced Cardiovascular Systems, Inc.
    Inventors: Eugene T. Michal, Christopher J. Buchko, Stephen J. Bigus
  • Patent number: 6221425
    Abstract: A method of providing a lubricious hydrophilic coating on an intracorporeal medical device and the coated device produced thereby, wherein the coating is durable and highly lubricious when in contact with body fluids. In one embodiment, the coating comprises a polymerized base coat and a hydrophilic top coat, where the base coat has a binding component which binds to the hydrophilic compound of the top coat, and a grafting component which binds to the binding component and to the device. In another embodiment, the coating comprises a blend of a hydrophilic compound, a grafting component, and salt, wherein the polymerized grafting component contains uncrosslinked domains. The hydrophilic coating of the invention can be applied to a medical device with a polymeric surface such as a polymeric catheter, or a metal device coated with a polymeric primer.
    Type: Grant
    Filed: January 30, 1998
    Date of Patent: April 24, 2001
    Assignee: Advanced Cardiovascular Systems, Inc.
    Inventors: Eugene T. Michal, Stephen James Bigus