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. 28, 1995
Filed:
Jun. 29, 1989
Masafumi Kawahara, Yamatokoriyama, JP;
Sharp Kabushiki Kaisha, Osaka, JP;
Abstract
A bubble detecting apparatus for an infusion pump, including a set of ultrasonic sensor constituted by an ultrasonic oscillator and a receiver provided, respectively, at opposed locations on an outer face of a liquid transport tube for feeding liquid such as medicinal liquid by a predetermined pumping operation of a pumping mechanism such that air bubbles produced in or mixed into the liquid in the liquid transport tube are detected by the ultrasonic oscillator and the receiver. In the apparatus, at least three sets of the ultrasonic sensors are arranged along the liquid transport tube at different intervals.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile