Patents by Inventor Debra Skelnik

Debra Skelnik 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).

  • Publication number: 20210324025
    Abstract: Compositions of proteoglycans and core proteins thereof and related methods of treating subjects, e.g., patients, are described. The method may include applying a composition to an eye of a subject before, during, and/or after an intraocular medical procedure. The composition may comprise a proteoglycan or core protein thereof, such as decorin proteoglycan or decorin core protein, and a pharmaceutically-acceptable salt. The composition may be in the form of an aqueous solution, viscoelastic gel, or viscoelastic film, for example. Further methods are described that include treating donor corneal tissue with a composition comprising a proteoglycan or core protein thereof. The treated donor corneal tissue may be used as or in a corneal graft, such as during endothelial keratoplasty.
    Type: Application
    Filed: April 30, 2020
    Publication date: October 21, 2021
    Applicant: D&D Biopharmaceuticals, Inc.
    Inventors: Bruce H. DeWOOLFSON, Dale P. DeVORE, Richard A. EIFERMAN, Debra SKELNIK
  • Publication number: 20210322521
    Abstract: Compositions of proteoglycans and core proteins thereof and related methods of treating subjects, e.g., patients, are described. The method may include applying a composition to an eye of a subject before, during, and/or after an intraocular medical procedure. The composition may comprise a proteoglycan or core protein thereof, such as decorin proteoglycan or decorin core protein, and a pharmaceutically-acceptable salt. The composition may be in the form of an aqueous solution, viscoelastic gel, or viscoelastic film, for example. Further methods are described that include treating donor corneal tissue with a composition comprising a proteoglycan or core protein thereof. The treated donor corneal tissue may be used as or in a corneal graft, such as during endothelial keratoplasty.
    Type: Application
    Filed: April 20, 2020
    Publication date: October 21, 2021
    Applicant: D&D Biopharmaceuticals, Inc.
    Inventors: Bruce H. DeWOOLFSON, Dale P. DeVore, Richard A. Eiferman, Debra Skelnik
  • Patent number: 9612110
    Abstract: An observation device includes: a holding board that holds an observation container accommodating a cornea for transplantation to be observed; a specular reflection optical system including an illumination optical system and an imaging optical system, which include a light source and an imaging unit, for observing the cornea for transplantation; and an auxiliary light source that illuminates the cornea for transplantation from the back and has an auxiliary illumination optical axis inclined with respect to an observation base axis that divides in half an intersecting angle of the illumination optical axis of the illumination optical system and an imaging optical axis of the imaging optical system, wherein the auxiliary light source is installed in a freely pivoting manner about a predetermined rotation axis so that a relative inclination angle with respect to the observation base axis of the auxiliary illumination optical axis can be continuously changed.
    Type: Grant
    Filed: August 12, 2014
    Date of Patent: April 4, 2017
    Assignee: KONAN MEDICAL, INC.
    Inventors: Debra Skelnik, Yoichi Hamada
  • Patent number: 9167809
    Abstract: An apparatus for shipping, storing, and viewing a cornea comprising a container having a viewing window in a container base, an inner sidewall, and a corneal basket arranged within said container base. The corneal basket is in contact with said inner sidewall and adapted to support a corneoscleral disc by including more than one corneal support rod and more than one disc support surface and a lid that sealingly engages with the container.
    Type: Grant
    Filed: June 17, 2010
    Date of Patent: October 27, 2015
    Assignee: Numedis Incorporated
    Inventors: Debra Skelnik, Roger Wilson, John R. Wilson
  • Publication number: 20150042956
    Abstract: An observation device includes: a holding board that holds an observation container accommodating a cornea for transplantation to be observed; a specular reflection optical system including an illumination optical system and an imaging optical system, which include a light source and an imaging unit, for observing the cornea for transplantation; and an auxiliary light source that illuminates the cornea for transplantation from the back and has an auxiliary illumination optical axis inclined with respect to an observation base axis that divides in half an intersecting angle of the illumination optical axis of the illumination optical system and an imaging optical axis of the imaging optical system, wherein the auxiliary light source is installed in a freely pivoting manner about a predetermined rotation axis so that a relative inclination angle with respect to the observation base axis of the auxiliary illumination optical axis can be continuously changed.
    Type: Application
    Filed: August 12, 2014
    Publication date: February 12, 2015
    Inventors: Debra Skelnik, Yoichi Hamada
  • Publication number: 20110014690
    Abstract: An apparatus for shipping, storing, and viewing a cornea. The device offers an improvement to cornea health relative to conventional cornea containers.
    Type: Application
    Filed: June 17, 2010
    Publication date: January 20, 2011
    Applicant: WILSON WOLF MANUFACTURING
    Inventors: Debra Skelnik, Roger Wilson, John R. Wilson
  • Publication number: 20110008877
    Abstract: An apparatus for shipping, storing, and viewing a cornea. The device offers an improvement to cornea health relative to conventional cornea containers.
    Type: Application
    Filed: June 17, 2010
    Publication date: January 13, 2011
    Applicant: WILSON WOLF MANUFACTURING
    Inventors: Debra Skelnik, Roger Wilson, Daniel P. Welch, John R. Wilson
  • Patent number: 5407669
    Abstract: A defined serumfree medical solution for applications in Ophthalmology, that contains one or more cell nutrient supplements which maintains and enhances the preservation of eye tissues, including human corneal tissues at low temperatures (2.degree. C. to 15.degree. C.). This solution is composed of a defined aqueous nutrient and electrolyte solution, supplemented with a glycosaminoglycan(s), a deturgescent agent(s), an energy source(s), a buffer system(s), an antioxidant(s), membrane stabilizing components, antibiotic(s), ATP precursors and nutrient cell supplements.
    Type: Grant
    Filed: March 4, 1992
    Date of Patent: April 18, 1995
    Inventors: Richard L. Lindstrom, Debra Skelnik
  • Patent number: 5366964
    Abstract: A viscoelastic solution including a buffered solution, 0.01-10% chondroitin sulfate, 0.01-10% hydroxypropyl methylcellulose, and 0.01-10% sodium hyaluronate, pH adjusted to 6.0-8.0 at a osmolarity between 200-400 mOsmol/L. The buffered solution can be HEPES buffered minimal essential medium (MEM), phosphate buffered saline (PBS), or buffered balanced salt solution. A cell growth factor or cell growth supplement can also be included in the solution.
    Type: Grant
    Filed: November 13, 1989
    Date of Patent: November 22, 1994
    Inventors: Richard L. Lindstrom, Debra Skelnik
  • Patent number: 5204325
    Abstract: Viscoelastic solution including a buffered solution, 0.01-8% chondroitin sulfate, 0.1-8% hydroxypropyl methylcellulose, pH adjusted to 6.0-8.0 at a osmolality between 200-400 mOsmol/L. The buffered solution can be HEPES buffered minimum essential media (MEM), phosphate buffer saline (PBS), buffered balanced salt solution, or TC199. A cell growth factor or cell growth supplement is included in the solution.
    Type: Grant
    Filed: May 3, 1991
    Date of Patent: April 20, 1993
    Inventors: Richard L. Lindstrom, Debra Skelnik
  • Patent number: 5104787
    Abstract: A defined serumfree medical solution for applications in Ophthalmology, that contains one or more cell nutrient supplements which maintains and enhances the preservation of eye tissues, including human corneal tissues at low temperatures (2.degree. C. to 15.degree. C.). This solution is composed of a defined aqueous nutrient and electrolyte solution, supplemented with a glycosaminoglycan(s), a deturgescent agent(s), an energy source(s), a buffer system(s), an antioxidant(s), membrane stabilizing components, antibiotic(s), ATP precursors and nutrient cell supplements.
    Type: Grant
    Filed: March 5, 1990
    Date of Patent: April 14, 1992
    Inventors: Richard L. Lindstrom, Debra Skelnik
  • Patent number: 5013714
    Abstract: Viscoelastic solution including a buffered solution, 0.01-8% chondroitin sulfate, 0.1-8% hydroxypropyl methylcellulose, pH adjusted to 6.0-8.0 at a osmolality between 200-400 mOsmol/L. The buffered solution can be HEPES buffered minimum essential media (MEM), phosphate buffer saline (PBS), buffered balanced salt solution, or TC199. A cell growth factor or cell growth supplement is included in the solution.
    Type: Grant
    Filed: December 15, 1988
    Date of Patent: May 7, 1991
    Inventors: Richard L. Lindstrom, Debra Skelnik
  • Patent number: 4725586
    Abstract: A surgical or irrigation solution which provides the anterior and posterior chamber of the eye with protection during surgical procedures that require irrigation. This irrigation solution is composed of a HEPES buffered Eagle's Minimum Essential Media (MEM) with Earle's Salts, without phenol red, supplemented with mixed isomers of 99% pure, chondroitin sulfate, MEM non-essential amino acids, 2-mercaptoethanol, and sodium pyruvate. Other solutions include a balanced salt solution, chondroitin sulfate, buffers and 2-mercaptoethanol. The solution can also be used in other surgical or medical applications.
    Type: Grant
    Filed: March 4, 1986
    Date of Patent: February 16, 1988
    Inventors: Richard L. Lindstrom, Debra Skelnik
  • Patent number: 4695536
    Abstract: A universal tissue preservation system including a storage container and a preservation media for corneal and other tissue storage. The universal corneal preservation system provides for closed system storage (media not changed) at 4.degree. centigrade under refrigeration for 1-14 days or 34.degree. centigrade storage in an incubator for at least 35 days (five weeks). The storage system provides for a quarantine technique insuring sterility, and a special media for maintaining cell viability and corneal deturgescence, (normal thickness). The corneal storage container provides for endothelial cell photography and media sampling. The preservation media can also be utilized in an open batch technique (media changed at regular intervals) for storage of corneas over one year. In addition, the preservation media can be used as an intraocular irrigation fluid during surgery.
    Type: Grant
    Filed: January 10, 1984
    Date of Patent: September 22, 1987
    Inventors: Richard L. Lindstrom, Donald J. Doughman, Debra Skelnik