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| Number | Title | Issue Date |
| 6923790 | Ultrasonically actuated needle pump system An ultrasonically driven pump, which may be used for sampling body fluids or atomizing liquids, has a stationary outer needle and an inner needle mounted within the bore of the outer needle. The distal end of the inner needle is positioned adjacent to the distal end... | 08/02/2005 |
| 6869420 | Ultrasonically actuated needle pump system An ultrasonically driven pump, which may be used for sampling body fluids or atomizing liquids, has a stationary outer needle and an inner needle mounted within the bore of the outer needle. The distal end of the inner needle is positioned adjacent to the distal end... | 03/22/2005 |
| 6740058 | Surgical tool with integrated pressure and flow sensors A surgical tool with a rigid body including a needle portion for entering tissue includes a fluid flow channel formed therethrough. A sensor is integrally formed on the tool to detect changing conditions (pressure and/or flow) in the channel. The sensor signal may b... | 05/25/2004 |
| 6669454 | Microfluidic actuation method and apparatus Control of fluid motion within microcavities is carried out using microstructures in the cavities having cantilever elements that are coupled to a substrate to receive vibrations therefrom. The cantilever elements can be excited into resonance at one or m... | 12/30/2003 |
| 6638249 | Ultrasonically actuated needle pump system An ultrasonically driven pump, which may be used for sampling body fluids or atomizing liquids, has a stationary outer needle and an inner needle mounted within the bore of the outer needle. The distal end of the inner needle is positioned adjacent to the... | 10/28/2003 |
| 6631648 | Microfluidic flow sensing method and apparatus Sensing of microfluidic flow is carried out by confining and directing a fluid along a surface in a primary direction of flow past a cantilever beam which is mounted at one end of the beam to the surface. The cantilever beam has opposite beam surfaces tha... | 10/14/2003 |
| 6479920 | Direct charge radioisotope activation and power generation An activator has a base on which is mounted an elastically deformable micromechanical element that has a section that is free to be displaced toward the base. An absorber of radioactively emitted particles is formed on the base or the displaceable section... | 11/12/2002 |
| 6451175 | Method and apparatus for carbon nanotube production Carbon nanotubes are produced by depositing carbon material from an electrical arc established between a cathode and a carbon anode. A vibrational driver is coupled to the cathode to vibrate the cathode in a manner which enhances the proportion of carbon ... | 09/17/2002 |
| 6433463 | Method and apparatus for stress pulsed release and actuation of micromechanical structures Micromechanical parts are freed from a surface of a substrate to which the parts are stiction bonded by applying a pulse stress wave to the substrate that propagates through the substrate and is reflected at the surface to which the micropart is stiction ... | 08/13/2002 |
