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:
Jun. 04, 2002
Filed:
Feb. 02, 2000
Applicant:
Inventors:
Satoru Kaneko, Ichikawa, JP;
Tadatoshi Uchida, Osaka, JP;
Assignee:
Nipro Corporation, Osaka, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H61D 7/00 ; B01L 1/100 ;
U.S. Cl.
CPC ...
H61D 7/00 ; B01L 1/100 ;
Abstract
A tube for sperm washing and concentration. The tube is a glass tube having an open end and a bottom portion with a small diameter , and an elastic bladder removably provided at the open end of the tube . A vulnerable section may be further provided to enable the bottom with small diameter to be easily bent and cut. Contamination of the sperm by bacteria and remaining density gradient carrier are not caused.