Abstract: Various embodiments of devices and systems comprising a polymer driveshaft for use in high-speed rotational medical procedures, e.g., atherectomy, are disclosed. Generally, the primary driveshaft for transferring torque and activating rotation of a tool attached thereto, e.g., an abrasive element, is constructed with at least a polymer outer and inner surface. In certain embodiments, the polymer driveshaft may comprise a metallic band for fixed attachment of a structure, e.g., an abrasive element, thereto. Various embodiments may comprise a coupler that connects a drive shaft connected with a prime mover, e.g., a turbine or electric motor, with the polymer drive shaft, the coupler comprising openings through the coupler wall to the inner diameter of the coupler to allow fluid flow to the inner diameter of the coupled polymer drive shaft.

Abstract: A gas turbine engine can-annular combustion arrangement (10), including: an axial compressor (82) operable to rotate in a rotation direction (60); a diffuser (100, 110) configured to receive compressed air (16) from the axial compressor; a plenum (22) configured to receive the compressed air from the diffuser; a plurality of combustor cans (12) each having a combustor inlet (38) in fluid communication with the plenum, wherein each combustor can is tangentially oriented so that a respective combustor inlet is circumferentially offset from a respective combustor outlet in a direction opposite the rotation direction; and an airflow guiding arrangement (80) configured to impart circumferential motion to the compressed air in the plenum in the direction opposite the rotation direction.

Abstract: A gas turbine engine can-annular combustion arrangement (10), including: an axial compressor (82) operable to rotate in a rotation direction (60); a diffuser (100, 110) configured to receive compressed air (16) from the axial compressor; a plenum (22) configured to receive the compressed air from the diffuser; a plurality of combustor cans (12) each having a combustor inlet (38) in fluid communication with the plenum, wherein each combustor can is tangentially oriented so that a respective combustor inlet is circumferentially offset from a respective combustor outlet in a direction opposite the rotation direction; and an airflow guiding arrangement (80) configured to impart circumferential motion to the compressed air in the plenum in the direction opposite the rotation direction.

Abstract: A printing method includes providing a print head. The print head includes a valve and at least one orifice. Fluid is ejected from the orifice in a generally continuous stream. The fluid includes a conductive material. The fluid is deposited in a pattern on a substrate to form an electrically conductive deposit. At least a portion of the pattern includes a generally straight line.

Abstract: A system, including an ink supply system configured to supply ink to a printhead; and an autopurge unit configured to automatically clean the printhead. The autopurge unit includes a solvent supply in fluid communication with a solvent line, a solenoid housing, and a waste container. The solenoid housing includes a first solenoid assembly disposed within an ink line, wherein the ink line is in fluid communication with the ink supply and a first outlet that is configured to be in fluid communication with the printhead; and a second solenoid assembly disposed within a solvent line. The waste container is in fluid communication with a waste delivery line having a waste inlet. The waste inlet is configured to be in fluid communication with a waste line that is in communication with the printhead so that fluid waste from the printhead is deposited into the waste container.

Abstract: A device for implanting a femoral component including a base assembly, a handle slidably attached to base assembly, a locking member slidably coupled to handle, and a locking actuator. Locking member has a locking end extending from handle, through an opening in base assembly and through notch in implant. Locking end has locking lip extending transversely from locking member. Locking member is movable between a locked position, wherein lip is positioned at a first distance from upper surface of base assembly, and an unlocked position, wherein lip is positioned at a second distance from upper surface. When locking member is in the locked position, lip is engagable with proximal surface of implant at a location proximal the notch thereby gripping the implant between the upper surface and lip. Locking actuator is operatively engaged with locking member and is operable to move locking member between locked position and unlocked position.

Abstract: An apparatus for sizing a distal femur includes a base configured to concurrently abut a distal surface and a posterior surface of the distal femur, and further includes an axial distance scale. The scale includes a first sleeve axially fixedly coupled to the base and further includes a second sleeve spirally movably coupled to the first sleeve. A method for sizing a distal femur includes concurrently abutting a base against a distal surface and a posterior surface of the distal femur, and further includes measuring a distance relative to the base. The measuring step includes spirally moving a first sleeve relative to a second sleeve.

Abstract: A one-piece, unitary clamp for a longitudinally extending structural member, such as a tube, is provided which can be mounted to a mounting surface such that the structural member received in the clamp is either parallel to or perpendicular to the mounting surface. Additionally, two clamps of the present invention can be fastened together to form a cross-over clamp, a T-clamp, or another compound clamp which will hold two structural members together in a desired relationship. The clamping arms of the clamp have an elastic hinge which allows an upper portion of the clamping arm to move relative to a lower portion of the clamping arm when the clamp is tightened. Additionally, when the clamp is loosened, the elastic hinge of the clamping arms cause the clamping arms to pull away from the structural member received in the clamp to fully release the grip of the clamp on the structural member.

Abstract: This invention relates to a check valve (19) for use in an ink supply line (13) of an ink jet printing system (1) between an ink reservoir (11) and an inkjet printhead (3) so as to prevent de-priming of the printhead upon the latter being subjected to impact loads or the like. Specifically, the improvement of this invention comprises a one-piece check valve (37) of an elastomeric material having a flapper valve (43) movable between a closed position in which the flapper valve blocks the backflow of ink and an open position in which ink is free to flow past the check valve member to the printhead. The flapper valve (43) is defined by a slot (49) separating the flapper valve from the outer margin (41) of the check valve (37) and the flapper valve is integrally joined to the outer margin by a hinge portion (45) so as to enable movement of the flapper valve between its open and closed positions.

Abstract: An ink jet head holder supported from a frame and includes a transversely movable rod supporting an ink jet print head with a similar print head holder on the opposite side of the frame. A conveyor for conveying an object having opposed print-receiving surfaces between the print heads. Longitudinal channels are supported by the frame on opposite sides of the conveyor. The print heads are supported on the longitudinal channels and side guide rails are also supported on the channels. The channels are laterally movable to vary the width of the path of packages on the conveyor. The side guide rails are also adjustable laterally relative to the print heads. The print heads have cam faces for contacting the packages at a predetermined transverse distance from the print head nozzles. Biasing means hold the print heads with the cam faces bearing against the print-receiving surfaces that are printed by ink from the nozzles.

Abstract: 1. A sensitive blocking valve device comprising a casing, said casing comsing a pair of half-shell members each including a mating surface at the outer periphery and each having an axial valve seat portion projecting into the interior of said casing and in mutual alignment, an axial orifice through the valve seat portion of each half-shell member, a metallic valve wafer comprising a central valving portion disposed to move to close either of said orifices in said valve seat portions of the casing and having an integral double spiral flat spring formed integrally therewith and extending from said central portion, and an annular portion at the outer periphery of said double spring and formed integrally therewith, said annular portion being disposed in clamped relation between said half-shell members, said wafer including said double flat spring and annular portion all being of the same uniform thickness and planar when the valve device is unoperated.