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. 13, 1996
Filed:
Apr. 29, 1994
Applicant:
Inventor:
William H Hollister, East Sullivan, NH (US);
Assignee:
Smiths Industries Medical Systems, Inc., Keene, NH (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61M / ;
U.S. Cl.
CPC ...
12820512 ; 12820714 ; 12820715 ; 12820716 ; 12820026 ; 604171 ; 604119 ; 604267 ;
Abstract
A closed system suction catheter assembly has a protective sleeve enclosing a suction catheter that can be advanced through a patient connecting member coupling the assembly to a tracheal tube. Within the patient connecting member there is an integral valve and wiper seal assembly formed from a one-piece moulding with a central aperture providing the wiper seal and four duck-bill valve arranged around the periphery. The duck-bill valves are of oval shape and have their smaller dimension aligned radially.