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:
Sep. 11, 1990
Filed:
Sep. 27, 1988
Quinton J Farrar, Lakeville, MA (US);
Frederick A Everett, Jr, Lakeville, MA (US);
Richard H Heimann, Flushing, NY (US);
Pfizer Hospital Products Group, Inc., New York, NY (US);
Abstract
A drainage device, particularly adapted for use in medical procedures for draining fluids from a body cavity of a patient, incorporating a suction control chamber dimensioned and configured to provide an enhanced air and liquid flow pattern within the chamber. The suction control chamber might also include a baffle plate for air and noise control. The drainage device might further include a seal chamber and an improved high negativity relief valve. The present invention also includes a device, having an integral sampling or injection port, for coupling tubing.