Patents Assigned to Richard-Allan Scientific Company
  • Patent number: 9546937
    Abstract: A tissue cassette includes a body having a first floor and a first perimeter wall encircling and extending from the first floor so that the first floor and first perimeter wall at least partially bound a body cavity, the first floor having a plurality of spaced apart openings extending therethrough. A mold has a second floor and a second perimeter wall encircling and extending from the second floor so that the second floor and second perimeter wall at least partially bound a mold cavity, the second floor having at least one micropore extending therethrough, the at least one micropore having a maximum diameter less than 0.040 inches. A hinge couples the body to the mold so that the body and mold can move between a closed position wherein the first floor overlies the second floor so as to form a tissue compartment therebetween and an open position.
    Type: Grant
    Filed: January 24, 2013
    Date of Patent: January 17, 2017
    Assignees: Richard-Allan Scientific Company, Western Michigan University Research Foundation (WMURF)
    Inventors: Jennifer H. Freeland, Keith O. Whittlinger, Parviz Merati, Nathanael J. Cooper
  • Patent number: 8753836
    Abstract: Dewaxing buffers containing a water-soluble organic solvent, methods for use thereof, and kits incorporating dewaxing buffers. The dewaxing buffers contain a water soluble organic solvent that has a boiling point of at least 80° C. The dewaxing buffers described herein can be used to quickly and efficiently remove embedding paraffin from slide-mounted tissue sections in an aqueous buffer solution at elevated temperature without fear of paraffin redeposition of the slides. In addition, the dewaxing buffers described herein can be used to perform dewaxing and HIER in a single step, which can substantially reduce protocol time and lower the risk of sample loss or damage.
    Type: Grant
    Filed: January 23, 2012
    Date of Patent: June 17, 2014
    Assignee: Richard-Allan Scientific Company
    Inventors: Jennifer H. Freeland, Marsha A. Harvey
  • Publication number: 20130196371
    Abstract: A tissue cassette includes a body having a first floor and a first perimeter wall encircling and extending from the first floor so that the first floor and first perimeter wall at least partially bound a body cavity, the first floor having a plurality of spaced apart openings extending therethrough. A mold has a second floor and a second perimeter wall encircling and extending from the second floor so that the second floor and second perimeter wall at least partially bound a mold cavity, the second floor having at least one micropore extending therethrough, the at least one micropore having a maximum diameter less than 0.040 inches. A hinge couples the body to the mold so that the body and mold can move between a closed position wherein the first floor overlies the second floor so as to form a tissue compartment therebetween and an open position.
    Type: Application
    Filed: January 24, 2013
    Publication date: August 1, 2013
    Applicants: Western Michigan University Research Foundation (WMURF), Richard-Allan Scientific Company
    Inventors: Richard-Allan Scientific Company, Western Michigan University Research Foundation (WMURF)
  • Publication number: 20130189730
    Abstract: Dewaxing buffers containing a water-soluble organic solvent, methods for use thereof, and kits incorporating dewaxing buffers. The dewaxing buffers contain a water soluble organic solvent that has a boiling point of at least 80° C. The dewaxing buffers described herein can be used to quickly and efficiently remove embedding paraffin from slide-mounted tissue sections in an aqueous buffer solution at elevated temperature without fear of paraffin redeposition of the slides. In addition, the dewaxing buffers described herein can be used to perform dewaxing and HIER in a single step, which can substantially reduce protocol time and lower the risk of sample loss or damage.
    Type: Application
    Filed: January 23, 2012
    Publication date: July 25, 2013
    Applicant: RICHARD-ALLAN SCIENTIFIC COMPANY
    Inventors: Jennifer H. Freeland, Marsha A. Harvey
  • Patent number: 8158381
    Abstract: Methods that combine processing and staining of tissue samples such that the processed tissue is stained and ready for histological evaluation prior to embedding and sectioning, and separate staining of the sectioned tissue is not required. The method may be used with chemical and/or mechanical/thermal tissue penetrant enhancers in an automated tissue processing system.
    Type: Grant
    Filed: February 11, 2009
    Date of Patent: April 17, 2012
    Assignee: Richard-Allan Scientific Company
    Inventors: J. Gary Wiederhold, Nathan T. Brinn
  • Patent number: 7666620
    Abstract: A method for processing a biological tissue specimen using either manual or automated processing. The tissue specimen is sequentially contacted with components of a reagent system in the presence of increased temperature and/or agitation and in the absence of exogenous microwave radiation to facilitate processing in less than one working day.
    Type: Grant
    Filed: November 8, 2006
    Date of Patent: February 23, 2010
    Assignee: Richard-Allan Scientific Company
    Inventor: J. Gary Wiederhold
  • Publication number: 20090246824
    Abstract: Methods that combine processing and staining of tissue samples such that the processed tissue is stained and ready for histological evaluation prior to embedding and sectioning, and separate staining of the sectioned tissue is not required. The method may be used with chemical and/or mechanical/thermal tissue penetrant enhancers in an automated tissue processing system.
    Type: Application
    Filed: February 11, 2009
    Publication date: October 1, 2009
    Applicant: Richard-Allan Scientific Company
    Inventors: J. Gary Wiederhold, Nathan T. Brinn
  • Publication number: 20080108043
    Abstract: A method for processing a biological tissue specimen using either manual or automated processing. The tissue specimen is sequentially contacted with components of a reagent system in the presence of increased temperature and/or agitation and in the absence of exogenous microwave radiation to facilitate processing in less than one working day.
    Type: Application
    Filed: November 8, 2006
    Publication date: May 8, 2008
    Applicant: RICHARD-ALLAN SCIENTIFIC COMPANY
    Inventor: J. Gary Wiederhold