Patents by Inventor Yi-Lan Wang

Yi-Lan Wang 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: 9717820
    Abstract: The present invention is directed to a hemostatic or tissue sealing material having (a) a peptide having a sequence SEQ ID NO: 1 or an amino acid analog sequence thereof, and (b) a scaffold for said peptide or amino acid analogue sequence. The scaffold is preferably hemostatic, such as a natural or genetically engineered absorbable polymer, a synthetic absorbable polymer, or combinations thereof. The natural or genetically engineered absorbable polymers can be selected from the group consisting of a protein, a polysaccharide, or combinations thereof.
    Type: Grant
    Filed: August 26, 2015
    Date of Patent: August 1, 2017
    Assignee: Ethicon, Inc.
    Inventors: Yi-Lan Wang, Guanghui Zhang
  • Publication number: 20170128618
    Abstract: The present invention is directed to a hemostatic material comprising a compacted, hemostatic aggregates of cellulosic fibers. In some aspects, the hemostatic material further includes additives, such as carboxymethyl cellulose (CMC) or other polysaccharides, calcium salts, anti-infective agents, hemostasis promoting agents, gelatin, collagen, or combinations thereof. In another aspect, the present invention is directed to a method of making the hemostatic materials described above by compacting a cellulosic-based material into hemostatic aggregates. In another aspect, the present invention is directed to a method of treating a wound by applying hemostatic materials described above onto and/or into the wound of a patient.
    Type: Application
    Filed: October 28, 2016
    Publication date: May 11, 2017
    Inventor: Yi-Lan Wang
  • Patent number: 9539358
    Abstract: The present invention is directed to hemostatic material containing compacted ORC powder comprising particles having an average aspect ratio from about 1 to about 18, wherein said compacted ORC powder have preferably been processed in a compaction device, such as a ball milled ORC powder. The present invention further relates to methods of making the hemostatic material and a method of treating a wound by applying the hemostatic powder onto and/or into the wound of a patient.
    Type: Grant
    Filed: July 17, 2014
    Date of Patent: January 10, 2017
    Assignee: Ethicon, Inc.
    Inventors: Yi-Lan Wang, Guanghui Zhang
  • Patent number: 9393018
    Abstract: A surgical instrument includes a handle portion, a shaft housing a firing bar, an end effector comprising an anvil, a lower jaw, and a stapling and severing assembly responsive to a longitudinal closing motion produced by the handle portion and the shaft. The lower jaw is configured to receive a removable cartridge. The cartridge includes a housing, a plurality of staples disposed in the housing, a deck disposed over the plurality of staples, and a fastener insert tip including a plurality of hooks. The deck defines apertures, with each aperture being substantially disposed over each staple. The instrument includes a fastener insert including hooks, and the fastener insert is removably received in the anvil. A buttress is attached to one or both of the anvil and the cartridge via the hooks.
    Type: Grant
    Filed: September 22, 2011
    Date of Patent: July 19, 2016
    Assignee: Ethicon Endo-Surgery, Inc.
    Inventors: Yi-Lan Wang, Matthew C. Miller, Aron O. Zingman
  • Publication number: 20160074602
    Abstract: The present invention is directed to an integrated delivery device that is operable with one hand and provides co-delivery of a liquid medicant and a powder medicant onto a tissue or wound from a liquid medicant expression subunit and a powder medicant expression subunit. Each expression subunit having an actuator for the liquid medicant and the powder medicant contained therein that are positioned in close proximity to one other at a proximate end of said expression subunits and delivery cannulas for each of said expression subunits that positioned in close proximity to one other at a distal end of said expression subunits. The present invention also relates to method for using such integrated devices.
    Type: Application
    Filed: May 28, 2015
    Publication date: March 17, 2016
    Inventors: Yi-Lan Wang, Leo B. Kriksunov
  • Publication number: 20150359925
    Abstract: The present invention is directed to a hemostatic or tissue sealing material having (a) a peptide having a sequence SEQ ID NO: 1 or an amino acid analog sequence thereof, and (b) a scaffold for said peptide or amino acid analogue sequence. The scaffold is preferably hemostatic, such as a natural or genetically engineered absorbable polymer, a synthetic absorbable polymer, or combinations thereof. The natural or genetically engineered absorbable polymers can be selected from the group consisting of a protein, a polysaccharide, or combinations thereof.
    Type: Application
    Filed: August 26, 2015
    Publication date: December 17, 2015
    Inventors: Yi-Lan Wang, Guanghui Zhang
  • Patent number: 9149511
    Abstract: The present invention is directed to a hemostatic or tissue sealing material having (a) a peptide having a sequence SEQ ID NO: 1 or an amino acid analog sequence thereof, and (b) a scaffold for said peptide or amino acid analog sequence. The scaffold is preferably hemostatic, such as a natural or genetically engineered absorbable polymer, a synthetic absorbable polymer, or combinations thereof. The natural or genetically engineered absorbable polymers can be selected from the group consisting of a protein, a polysaccharide, or combinations thereof.
    Type: Grant
    Filed: June 30, 2011
    Date of Patent: October 6, 2015
    Assignee: Ethicon, Inc.
    Inventors: Yi-Lan Wang, Guanghui Zhang
  • Patent number: 9101359
    Abstract: A surgical instrument includes a handle portion, a shaft housing a firing bar, an end effector comprising an anvil, a lower jaw, and a stapling and severing assembly responsive to a longitudinal closing motion produced by the handle portion and the shaft. The lower jaw is configured to receive a removable cartridge when in an open position. The cartridge includes a housing, a plurality of staples disposed in the housing, and a deck disposed over the plurality of staples. The deck defines apertures, with each aperture being substantially disposed over each staple. The instrument includes a movable buttress that is integral with the housing of the cartridge or integral with the lower jaw of the end effector. The buttress may attach to the anvil and include a portion to receive tissue. The receipt of tissue urges and moves the buttress proximally inwards to further encompass the tissue.
    Type: Grant
    Filed: September 13, 2011
    Date of Patent: August 11, 2015
    Assignee: Ethicon Endo-Surgery, Inc.
    Inventors: Bret W. Smith, Thomas W. Lytle, IV, Matthew C. Miller, Yi-Lan Wang, Joseph Zavatsky, Kreena Modi, Aron O. Zingman
  • Patent number: 9028851
    Abstract: The present invention is directed to a hemostatic material comprising a scaffold and a galvanic particulate. The galvanic particulate comprises particles made of at least two dissimilar metals. The scaffold is preferably a biocompatible polysaccharide-based hemostatic, such as a chitosan or cellulosic based hemostatic like ORC.
    Type: Grant
    Filed: December 21, 2011
    Date of Patent: May 12, 2015
    Assignee: Ethicon, Inc.
    Inventors: Yi-Lan Wang, Ying Sun, Guanghui Zhang, Chunlin Yang
  • Publication number: 20150111308
    Abstract: The invention provides modified collagen and related therapeutic and diagnostic methods.
    Type: Application
    Filed: October 13, 2014
    Publication date: April 23, 2015
    Inventors: Michael Yu, Jennifer H. Elisseeff, Hyeseung Janice Lee, Xiao Mo, Allen Yi-Lan Wang
  • Patent number: 8985429
    Abstract: A surgical instrument includes a handle portion, a shaft housing a firing bar, an end effector comprising an anvil, a lower jaw, and a stapling and severing assembly responsive to a longitudinal closing motion produced by the handle portion and the shaft. The lower jaw is configured to receive a removable cartridge. The cartridge includes a housing, a plurality of staples disposed in the housing, and a deck disposed over the plurality of staples. The deck defines apertures, with each aperture being substantially disposed over each staple. The cartridge further includes an agent. The firing bar is operable to assist with releasing the agent onto a severed line of tissue when the firing bar is advanced.
    Type: Grant
    Filed: September 23, 2011
    Date of Patent: March 24, 2015
    Assignee: Ethicon Endo-Surgery, Inc.
    Inventors: Stephen J. Balek, Chad P. Boudreaux, Matthew D. Holcomb, Thomas W. Lytle, IV, Matthew C. Miller, Charles J. Scheib, Bret W. Smith, Yi-Lan Wang, Donald F. Wilson, Jr., Edward A. Rhad, Kreena R. Modi, Joseph Zavatsky, Aron O. Zingman
  • Patent number: 8883964
    Abstract: The invention provides modified collagen and related therapeutic and diagnostic methods.
    Type: Grant
    Filed: September 6, 2012
    Date of Patent: November 11, 2014
    Assignee: The Johns Hopkins University
    Inventors: Michael Yu, Jennifer H. Elisseeff, Allen Yi-Lan Wang, Hyeseung Janice Lee, Xiao Mo
  • Publication number: 20140329769
    Abstract: The present invention is directed to hemostatic material containing compacted ORC powder comprising particles having an average aspect ratio from about 1 to about 18, wherein said compacted ORC powder have preferably been processed in a compaction device, such as a ball milled ORC powder. The present invention further relates to methods of making the hemostatic material and a method of treating a wound by applying the hemostatic powder onto and/or into the wound of a patient.
    Type: Application
    Filed: July 17, 2014
    Publication date: November 6, 2014
    Inventors: Yi-Lan Wang, Guanghui Zhang
  • Patent number: 8815832
    Abstract: The present invention is directed to hemostatic material containing compacted ORC powder comprising particles having an average aspect ratio from about 1 to about 18, wherein said compacted ORC powder have preferably been processed in a compaction device, such as a ball milled ORC powder. The present invention further relates to methods of making the hemostatic material and a method of treating a wound by applying the hemostatic powder onto and/or into the wound of a patient.
    Type: Grant
    Filed: May 25, 2012
    Date of Patent: August 26, 2014
    Assignee: Ethicon, Inc.
    Inventors: Yi-Lan Wang, Guanghui Zhang
  • Patent number: 8814025
    Abstract: A surgical instrument includes a handle portion, a shaft housing a firing bar, an end effector comprising an anvil, a lower jaw, and a stapling and severing assembly responsive to a longitudinal closing motion produced by the handle portion and the shaft. The lower jaw is configured to receive a cartridge when in an open position. The cartridge includes a housing, a plurality of staples disposed in the housing, and a deck disposed over the plurality of staples. The deck defines apertures, with each aperture being substantially disposed over each staple. The cartridge further receives a matrix including glue beads suspended in the matrix. The staples are driven through the matrix to secure the matrix to tissue. The glue beads are activated when the matrix is secured to the tissue, such that the activated adhesive further secures the staple line in the tissue.
    Type: Grant
    Filed: September 15, 2011
    Date of Patent: August 26, 2014
    Assignee: Ethicon Endo-Surgery, Inc.
    Inventors: Matthew C. Miller, Yi-Lan Wang, Israel Nur, Aron O. Zingman
  • Publication number: 20140017348
    Abstract: The present invention relates generally to agents and devices for promoting hemostasis and, more particularly, to an extract of a plant-based “Traditional Chinese Medicinal” product and devices incorporating such agents for the delivery thereof to bleeding wounds.
    Type: Application
    Filed: September 20, 2013
    Publication date: January 16, 2014
    Applicant: Ethicon, Inc.
    Inventors: Yi-Lan Wang, Xintian Ming
  • Publication number: 20140005636
    Abstract: The present invention is directed to a multi-compartment medical device for segregated storage and on demand mixing of at least two components and expression of a resulting mixture from the device having a tubular barrel with an opening and a gasket sealing the rear end through which a plunger is axially slidable within the tubular barrel. At least one bypass is provided in the barrel in order to enable fluid movement of the components between front and rear compartments and rear compartments. The present invention is also directed to methods for the use of such devices.
    Type: Application
    Filed: June 29, 2012
    Publication date: January 2, 2014
    Inventors: Yi-Lan Wang, Leo B. Kriksunov
  • Publication number: 20130316974
    Abstract: The present invention is directed to hemostatic material containing compacted ORC powder comprising particles having an average aspect ratio from about 1 to about 18, wherein said compacted ORC powder have preferably been processed in a compaction device, such as a ball milled ORC powder. The present invention further relates to methods of making the hemostatic material and a method of treating a wound by applying the hemostatic powder onto and/or into the wound of a patient.
    Type: Application
    Filed: May 25, 2012
    Publication date: November 28, 2013
    Inventors: Yi-Lan Wang, Guanghui Zhang
  • Publication number: 20130164360
    Abstract: The present invention is directed to a hemostatic material comprising a scaffold and a galvanic particulate. The galvanic particulate comprises particles made of at least two dissimilar metals. The scaffold is preferably a biocompatible polysaccharide-based hemostatic, such as a chitosan or cellulosic based hemostatic like ORC.
    Type: Application
    Filed: December 21, 2011
    Publication date: June 27, 2013
    Inventors: Yi-Lan Wang, Ying Sun, Guanghui Zhang, Chunlin Yang
  • Publication number: 20130075451
    Abstract: A surgical instrument includes a handle portion, a shaft housing a firing bar, an end effector comprising an anvil, a lower jaw, and a stapling and severing assembly responsive to a longitudinal closing motion produced by the handle portion and the shaft. The lower jaw is configured to receive a removable cartridge. The cartridge includes a housing, a plurality of staples disposed in the housing, and a deck disposed over the plurality of staples. The deck defines apertures, with each aperture being substantially disposed over each staple. The cartridge further includes an agent. The firing bar is operable to assist with releasing the agent onto a severed line of tissue when the firing bar is advanced.
    Type: Application
    Filed: September 23, 2011
    Publication date: March 28, 2013
    Inventors: Stephen J. Balek, Chad P. Boudreaux, Matthew D. Holcomb, Thomas W. Lytle, IV, Matthew C. Miller, Charles J. Scheib, Bret W. Smith, Yi-Lan Wang, Donald F. Wilson, JR., Edward A. Rhad, Kreena R. Modi, Joseph Zavatsky, Aron O. Zingman