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.

Date of Patent:
Sep. 03, 1996

Filed:

Apr. 29, 1994
Applicant:
Inventor:

Chris C Christiansen, Oakdale, MN (US);

Assignee:

Medtronic, Inc., Minneapolis, MN (US);

Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F04B / ; A61M / ;
U.S. Cl.
CPC ...
417472 ; 604141 ; 92 34 ;
Abstract

A medication delivery device having a reduced weight due to the configuration of the end terminal of the pleated bellows reservoir. The end terminal includes an indented portion which is sized such that when the reservoir is in the compressed/empty position there is substantially no separation between the indented portion and the base portion of the reservoir. This construction allows the reservoir to be almost completely emptied of medication when the reservoir is collapsed but does so in a manner which does not add to the weight of the device.


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Christiansen, Chris. (1996). Medication delivery device and method of construction (U.S. Patent No. 5551849). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5551849

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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