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:
Jun. 09, 1987
Filed:
Nov. 28, 1984
Applicant:
Inventors:
Fred Vage Ekbladh, S-434 00 Kungsbacka, SE;
Hans Tillander, S-412 74 Goteborg, SE;
Assignee:
Other;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61M / ;
U.S. Cl.
CPC ...
604133 ; 604 73 ; 417472 ;
Abstract
The present invention relates to a suction pump, preferably for suction drainage or body cavities with regard to accumulated liquid after a surgical incision made, and comprising an expandable, flexible container, whereby two substantially symmetric lid parts are attached to each other, comprising at least one rigid ring (1,13) and a flexible casing (8), an expandable spring (12) arranged between said casings (8) of the lid parts, an inlet opening (2,6) provided with a membrane valve (7) and an outlet opening (3) to which an one-way valve is arranged to be connected to provide for an one-way current out off the pump of air and/or liquid.