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:
Jul. 29, 2025
Filed:
Feb. 24, 2023
The Board of Trustees of the Leland Stanford Junior University, Stanford, CA (US);
Worcester Polytechnic Institute, Worcester, MA (US);
Utkan Demirci, Stanford, CA (US);
Erkan Tüzel, Natick, MA (US);
James Kingsley Leonard, Worcester, MA (US);
Thiruppathiraja Chinnasamy, Tamilnadu, IN;
The Board of Trustees of the Leland Stanford Junior University, Stanford, CA (US);
Worcester Polytechnic Institute, Worcester, MA (US);
Abstract
A microfluidic chip is provided for self-sorting highly motile, morphologically normal sperm cell with high DNA integrity from a fresh semen sample. The sperm self-sorting microfluidic chip has one or more inlet chambers, and sperm collection outlet chamber(s), and the middle of the channel features various micro-fabricated structures in different geometrical shapes and orientations, with varying periodicities and patterns, such as an array of micro-fabricated pillars that facilitate the transport of the active and healthy sperm into the outlet chamber.