Patents by Inventor Maria Jose M. N. Pereira

Maria Jose M. N. Pereira 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: 9724447
    Abstract: Pre-polymers for use as tissue sealants and adhesives, and methods of making and using thereof are provided. The pre-polymers have flow characteristics such that they can be applied through a syringe or catheter but are sufficiently viscous to remain in place at the site of application and not run off the tissue. The pre-polymers are also sufficiently hydrophobic to resist washout by bodily fluids. The pre-polymers are stable in bodily fluids; that is the pre-polymer does not spontaneously crosslink in bodily fluids absent the presence of an intentionally applied stimulus to initiate crosslinking. Upon crosslinking, the adhesive exhibits significant adhesive strength in the presence of blood and other bodily fluids. The adhesive is sufficiently elastic that it is able to resist movement of the underlying tissue. The adhesive can provide a hemostatic seal. The adhesive is biodegradable and biocompatible, causing minimal inflammatory response.
    Type: Grant
    Filed: May 23, 2014
    Date of Patent: August 8, 2017
    Assignees: Massachusetts Institute of Technology, The Brigham and Women's Hospital, Inc., The Children's Medical Center Corporation
    Inventors: Jeffrey M. Karp, Pedro del Nido, Nora Lang, Robert S. Langer, Maria Jose M. N. Pereira, Yuhan Lee
  • Patent number: 9332991
    Abstract: Adhesive articles containing microtopography, such as microprotrusions, and a coating of adhesive glue, such an adhesive having known toxicity and/or tissue reactive functional groups are described herein. The articles described herein contain a substrate, a plurality of microfeatures, and an adhesive, such as an adhesive glue. The articles described herein exhibit a 90° pull off adhesion of at least about 1.5 N/cm2. The articles described herein can contain less adhesive than when the adhesive is used alone without microtopography and yet exhibit equivalent adhesive strength with little or no toxicity or other adverse side effects (e.g., exothermic reaction).
    Type: Grant
    Filed: November 27, 2013
    Date of Patent: May 10, 2016
    Assignees: Massachusetts Institute of Technology, The Brigham and Women's Hospital, Inc.
    Inventors: Maria Jose M. N. Pereira, Woo-Kyung Cho, Robert S. Langer, Jeffrey M. Karp
  • Publication number: 20140348896
    Abstract: Pre-polymers for use as tissue sealants and adhesives, and methods of making and using thereof are provided. The pre-polymers have flow characteristics such that they can be applied through a syringe or catheter but are sufficiently viscous to remain in place at the site of application and not run off the tissue. The pre-polymers are also sufficiently hydrophobic to resist washout by bodily fluids. The pre-polymers are stable in bodily fluids; that is the pre-polymer does not spontaneously crosslink in bodily fluids absent the presence of an intentionally applied stimulus to initiate crosslinking. Upon crosslinking, the adhesive exhibits significant adhesive strength in the presence of blood and other bodily fluids. The adhesive is sufficiently elastic that it is able to resist movement of the underlying tissue. The adhesive can provide a hemostatic seal. The adhesive is biodegradable and biocompatible, causing minimal inflammatory response.
    Type: Application
    Filed: May 23, 2014
    Publication date: November 27, 2014
    Applicants: Massachusetts Institute of Technology, The Brigham and Women's Hospital, Inc., The Children's Medical Center Corporation
    Inventors: Jeffrey M. Karp, Pedro del Nido, Nora Lang, Robert S. Langer, Maria Jose M.N. Pereira, Yuhan Lee
  • Publication number: 20140148846
    Abstract: Adhesive articles containing microtopography, such as microprotrusions, and a coating of adhesive glue, such an adhesive having known toxicity and/or tissue reactive functional groups are described herein. The articles described herein contain a substrate, a plurality of microfeatures, and an adhesive, such as an adhesive glue. The articles described herein exhibit a 90° pull off adhesion of at least about 1.5 N/cm2. The articles described herein can contain less adhesive than when the adhesive is used alone without microtopography and yet exhibit equivalent adhesive strength with little or no toxicity or other adverse side effects (e.g., exothermic reaction).
    Type: Application
    Filed: November 27, 2013
    Publication date: May 29, 2014
    Applicants: The Brigham and Women's Hospital, Inc., Massachusetts Institute of Technology
    Inventors: Maria Jose M. N. Pereira, Woo-Kyung Cho, Robert S. Langer, Jeffrey M. Karp