×

Miniaturized biological assembly

  • US 5,200,152 A
  • Filed: 12/27/1990
  • Issued: 04/06/1993
  • Est. Priority Date: 03/28/1988
  • Status: Expired due to Term
First Claim
Patent Images

1. A miniaturized biological assembly for containing a sample of microscopic-sized particulate biological material in a fluid medium to enable quantitative microscopic examination thereof, said assembly comprisingfirst and second plates which are disposed in registry with one another and adhered to one another,at least one patterned layer located between said first and second plates to define at least one chamber between said first and second plates for a sample of particulate biological material in a fluid medium and to define a boundary which minimizes contamination and drying of liquid sample and protects liquid sample against deterioration at temperatures at which liquid sample is maintained for study, said at least one chamber having a depth dimension between said first and second plates which enables all particulate biological material therein to be viewed within a particular depth of field characteristic of a microscope,attachment means to fixedly position said first and second plates together with said at least one patterned layer therebetween, anda plurality of annular pads located within said at least one chamber and extending between said first and second plates, and wherein said attachment means comprises adhesive within said annular pads to adhere said first and second plates together.

View all claims
  • 5 Assignments
Timeline View
Assignment View
    ×
    ×