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:
Oct. 21, 2008
Filed:
Apr. 08, 2004
Gregory J. Henkel, Chanhassen, MN (US);
Larry E. Waldack, Bloomington, MN (US);
Charles C. Kuyava, Eden Prairie, MN (US);
Randy L. Morningstar, Brooklyn Park, MN (US);
John G. Almli, Chaska, MN (US);
Gregory J. Henkel, Chanhassen, MN (US);
Larry E. Waldack, Bloomington, MN (US);
Charles C. Kuyava, Eden Prairie, MN (US);
Randy L. Morningstar, Brooklyn Park, MN (US);
John G. Almli, Chaska, MN (US);
AMS Research Corporation, Minnetonka, MN (US);
Abstract
A pump assembly for a penile implant is provided having a mechanism which prevents spontaneous inflation of the cylinders implanted within the patient. The pump assembly has an actuating bar with ribs to enhance the spring force applied to a flow valve, a support structure to support and appropriately position the actuating bar, and a check valve made of metal with a segment covered with a plastic material. The preventative mechanism uses overpressure generated by the reservoir during unintentional compression to effectively seal the cylinders from unintended fluid flow. The prevention mechanism itself creates all necessary forces to prevent the undesired fluid flow to the cylinders. This is accomplished by incorporating appropriate mechanisms within the pump itself.