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:
Aug. 17, 2004
Filed:
Aug. 21, 2002
Junichi Kiyatake, Saitama, JP;
Katumi Tominaga, Saitama, JP;
Kazuhide Yamazaki, Saitama, JP;
Seiji Kojima, Saitama, JP;
Other;
Abstract
A first sensor ( - ), the mounting position of the first sensor ( - ) being recognized as a counting number of instruction pulses to a pulse motor ( ), is arranged along a plate ( ) with slits of an encoder at a portion between a position where a pushing holder ( ) is connected to a plunger ( ) for the liquid infusion, and a start position where the pushing holder ( ) is separated from the plunger ( ). A counting means ( ) for counting encoder pulses from the encoder, is reset when a first sensor ( - ) is detected by a position detecting device ( ) moved together with the pushing holder ( ), and started to count the encoder pulses according to the movement of the pushing holder ( ). A time to complete the liquid infusion is calculated by using a distance between the position where the plunger ( ) is connected to the holder ( ) and a liquid infusion finish position proper to the syringe, and a predetermined liquid infusion speed.