Princeton Trade and Technology, Inc. Patent applications |
Patent application number | Title | Published |
20120285488 | Apparatus and method for cleaning passageways such as endoscope channels using flow of liquid and gas - Apparatus and methods are disclosed for cleaning interiors of passageways in endoscopes or other luminal medical devices by flow of liquid and gas therethrough. The liquid flow may include rivulets, droplets or other liquid entities which move on the internal surfaces of the passageways, and may include a three-phase contact interface between liquid and dry solid and gas. | 11-15-2012 |
20120234357 | METHOD FOR COMPOSITION FOR CLEANING TUBULAR SYSTEMS EMPLOYING MOVING THREE-PHASE LINES - A method for cleaning an internal surface of a narrow diameter channel includes steps of flowing a liquid cleaning medium and a gas through the narrow diameter channel under a flow regime that creates surface flow entities in contact with and sliding along the internal surface of the narrow diameter channel, said surface flow entities having three-phase contact lines and associated menisci, said surface flow entities detaching contaminants with which they come in contact from the internal surface of the narrow diameter internal surface of the narrow diameter channel; and rinsing the internal surface of the narrow diameter channel to remove residual liquid cleaning medium and detached contaminants from the channel. | 09-20-2012 |