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:
May. 29, 2001
Filed:
Apr. 08, 1997
Hans Himbert, Bromma, SE;
Carl-Göran Crafoord, Djursholm, SE;
Pharmacia AB, Stockholm, SE;
Abstract
The present invention is directed to a cannula, attachable to an injection device comprising a needle entirely surrounded by an essentially cylindrical collapsible needle cover in order to visually hide the entire needle during the whole procedure of administration by injection. The collapsible needle cover comprises a resilient, cylindrical or vaguely conical sleeve made of a foamed polymer and is provided with an axially extended hole for the needle, alternatively the needle cover can have a bellows-like structure. Also disclosed is a method of administering a medicament by injection with needle hidden from visual impression during the whole administration process.