Patent ID: 9702355
Date: 2017-07-11
CPC Classifications: A61F,F04B,Y10T

Claim:
1. An ophthalmic pump system, comprising: a housing defining a cavity; a rotating element positioned within the cavity of the housing; a flexible tubular structure positioned within the housing adjacent to the rotating element such that rotation of the rotation element urges a fluid through the flexible tubular structure; and a lubricating solution positioned within the cavity around the rotating element and at least a portion of the flexible tubular structure, wherein the flexible tubular structure includes a plurality of components at least partially positioned adjacent to the rotating element such that the rotating element is simultaneously in contact with more than one of the plurality of components, wherein the plurality of components includes a first tubular element and a second tubular element, the first and the second tubular elements being symmetrically disposed around the housing, and further comprising a channel extending annularly around the housing, the channel being in fluid communication with the first and the second tubular elements.