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. 01, 1990
Filed:
Dec. 12, 1988
Applicant:
Inventors:
Claudio Calzi, Milan, IT;
Gianfranco Zaccai, Boston, MA (US);
Assignee:
Instrumentation Laboratory, S.p.A., Milan, IT;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61B / ;
U.S. Cl.
CPC ...
128764 ; 604403 ; 604415 ; 215247 ;
Abstract
In a single-use device for collecting and holding blood samples, provision is made for an evacuated tube with a closure (stopper) that can be pierced by the tip of a needle, the other tip of which is intended to be inserted into a vein of a patient. Disposed below the said pierceable stopper, and in the tube, is a diaphragm intended to passed through by the needle-tip that pierces the stopper, so as to form a supplementar barrier between the interior of the tube and the environment when the pierceable stopper is removed.