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. 07, 2012
Filed:
Jul. 11, 2006
Applicants:
Osamu Tsukada, Ueda, JP;
Yasuhiko Nakajima, Hiratsuka, JP;
Inventors:
Osamu Tsukada, Ueda, JP;
Yasuhiko Nakajima, Hiratsuka, JP;
Assignee:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61M 37/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A continuous drug solution infusion device is provided that is capable of administering a drug solution into a patient's body for a predetermined period of time substantially at a predetermined flow rate from the beginning to end of the drug solution infusion by suppressing the change in pressure from the beginning to end of the infusion. The continuous drug solution infusion device has at least two tubular members disposed in series along an infusion path for a drug solution and at least one expandable/contractible tubular member disposed between the tubular members.