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:
Feb. 16, 2010
Filed:
Oct. 20, 2005
Kyung Sun, Seoul, KR;
Kyu Back Lee, Seoul, KR;
Yong Doo Park, Seoul, KR;
Ho Sung Son, Seoul, KR;
Chang MO Hwang, Seoul, KR;
Gi Seok Jeong, Daegu, KR;
Kyung Sun, Seoul, KR;
Kyu Back Lee, Seoul, KR;
Yong Doo Park, Seoul, KR;
Ho Sung Son, Seoul, KR;
Chang Mo Hwang, Seoul, KR;
Gi Seok Jeong, Daegu, KR;
Abstract
A blood pump actuator to generate a driving force for driving a blood pump is disclosed. The blood pump actuator includes: a motor unit having a stator and a rotor, and rotating to generate a rotating force; a cam unit to convert the rotating motion of the motor unit into a rectilinear reciprocating motion; and a bellows unit having a bellows, which is expandable and contractible and contains a fluid therein, and an upper bellows plate and a lower bellows plate respectively attached to the upper and lower ends of the bellows, wherein the lower bellows plate moves upwards and downwards in a vertical direction according to the rectilinear reciprocating motion of the cam unit engaging with the lower bellows plate, and the bellows repeatedly expands and contracts according to the vertical movement of the lower bellows plate.