Patent · US Expired

Method and apparatus for cryopreparing biological tissue

US4964280A · kind A · utility

26Cited by
12References
30Claims
0Family size

Assignee

Inventors

Key dates

Filing dateAug 17, 1989
Grant dateOct 23, 1990
Priority date
Expiry dateAug 17, 2009

Classification

  • Technology area (CPC F)Mechanical Engineering; Lighting; Heating
  • CPC primaryF26B5/06
  • WIPO fieldChemical engineering
  • WIPO sectorChemistry

Abstract

This invention relates to an apparatus and method for distillation drying of one or more biological samples. The drying apparatus includes a retaining assembly, a vacuum assembly, cooling means, monitoring means and control means for actively regulating the temperature and pressure conditions of biological tissue so that such tissue may be dried without substantial ultrastructural damage.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.