The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Apr. 14, 2015
Filed:
Feb. 16, 2011
Raul Sanchez Gutierrez, Temuco, CL;
Jennie Risopatron Gonzalez, Temuco, CL;
Mabel Schulz Rubilar, Temuco, CL;
Evgenia Isachenko, Ulm, DE;
Vladimir Isachenko, Ulm, DE;
Raul Sanchez Gutierrez, Temuco, CL;
Jennie Risopatron Gonzalez, Temuco, CL;
Mabel Schulz Rubilar, Temuco, CL;
Evgenia Isachenko, Ulm, DE;
Vladimir Isachenko, Ulm, DE;
Universidad de La Frontera, , CL;
Universitaet Ulm, , DE;
Abstract
The present invention discloses a method for cryopreservation of human spermatozoa: the method comprises providing spermatozoa free from seminal liquid; mixing the spermatozoa with vitrification medium, wherein the main cryoprotectant agent is 0.1-0.3 M sucrose; placing the sample inside straws and rapidly freezing them; refrigerating the straws with no need of liquid N; and devitrifying the sample in a medium of the present invention. The present invention furthermore discloses a portable kit that makes easy to implement the method, said kit comprising vitrification and devitrification solutions in the volumes required to develop the method and the physical support to carry out the same, i.e. the straws. The use of this kit is also disclosed for the treatment of disorders related to reproductive failures.