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. 10, 1997
Filed:
Jan. 13, 1995
Clyde K Nason, Valencia, CA (US);
John H Livingston, Los Angeles, CA (US);
Nannette M Schnabel, Valencia, CA (US);
Minimed Inc., Sylmar, CA (US);
Abstract
A medication infusion pump is provided for controlled delivery of medication to a patient, wherein the pump includes a space-efficient flexible drive plunger for advancing a piston within a medication-containing syringe or cartridge for administration of the medication to a patient. The infusion pump comprises a compact housing defining a syringe chamber for receiving and supporting the barrel of a medication-containing syringe or cartridge having a nose end adapted for luer connection to catheter tubing through which the medication is delivered to the patient. An open rear end of the syringe barrel carries a piston which can be advanced in a controlled manner to dispense the medication. In the preferred form, the flexible drive plunger comprises a spring tape with a free end adapted for removable connection to the piston. The spring tape extends within the pump housing through a space-efficient curved path and is associated with a pump drive motor for advancing the piston within the syringe barrel to deliver the medication to the patient.