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:
Dec. 02, 2014
Filed:
Nov. 22, 2004
Dong Wang, Beijing, CN;
Kun Zou, Beijing, CN;
Jianxing YE, Beijing, CN;
Yelei Sun, Beijing, CN;
Hui Zhu, Beijing, CN;
Xianhua Wang, Beijing, CN;
Jing Cheng, Beijing, CN;
Dong Wang, Beijing, CN;
Kun Zou, Beijing, CN;
Jianxing Ye, Beijing, CN;
Yelei Sun, Beijing, CN;
Hui Zhu, Beijing, CN;
Xianhua Wang, Beijing, CN;
Jing Cheng, Beijing, CN;
CapitalBio Corporation, Beijing, CN;
Tsinghua University, Beijing, CN;
Abstract
The present invention relates to a micro-volume liquid ejection system, including an air pressure module, a micro-ejection unit which is connected with the air pressure module by a conduit, and a control circuit which is connected with the air pressure module and the micro-ejection unit respectively. The air is used as the pressure medium, resulting in improved cleaning process and reduced sample waste. The present invention includes an electric control circuit to pick up sample, eject sample and clean the conduits automatically, and enables handling of a multiplicity of samples. The present invention can be used for transferring or dispensing micro volume liquid including biological liquid on a nL and μL scale.