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:
Aug. 18, 1992
Filed:
Dec. 29, 1989
Applicant:
Inventor:
John Waser, Basel, CH;
Assignee:
Sorin Biomedica S.p.A., Saluggia, IT;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61M / ;
U.S. Cl.
CPC ...
12820016 ; 12820014 ;
Abstract
A disposable shielded device for producing aerosol having particles less than 2 microns in size from an aqueous colloidal suspension obtained from human serum albumen and labelled with .sup.99m Technetium for use in scintigraphic imaging of pulmonary function. The device includes a nebulizing chamber having a membrane of 0.1 mm to about 0.01 mm in thickness and 40 mm to about 50 mm in diameter which nebulizes the labelled substance in response to ultrasound waves transmitted thereto.