Abstract: A nanochannel delivery device and method of manufacturing and use. The nanochannel delivery device comprises an inlet, an outlet, and a nanochannel. The nanochannel may be oriented parallel to the primary plane of the nanochannel delivery device. The inlet and outlet may be in direct fluid communication with the nanochannel.

Abstract: Apparatus and methods of delivering a therapeutic agent using an implant comprising a nanochannel delivery device.

Abstract: A housing for the scan unit printhead of an imaging device. The housing is substantially bowl shaped having a plurality of mounting surfaces extending inwardly toward a central region of the housing. The housing is constructed from a metal composition. The scan unit includes a plurality of light sources and an optical assembly operatively coupled thereto. The housing mounting surfaces support components of the optical assembly using an adhesive, without additional mounting hardware.

Abstract: A blood pump consisting of an inflow cannula, a stator fixed to the pump housing, a flow straightener, an impeller, and a diffuser. The pump may include a flow straightener assembly consisting of the flow straightener body and front shaft. The pump may include an impeller assembly with a bearing on the front hub section. The pump may have a body contour which is shaped such that the rear section of the flow straightener body blends into the inserted shaft and there is no axial gap between the end of the flow straightener other than the ends of the blades and the front hub of the impeller.

Abstract: A mounting assembly, for mounting a reflection mirror within a laser scanning unit, includes a mounting structure, and a pair of urging members. The mounting structure includes a base member, and a first pair of support protrusions and a second pair of support protrusions configured on the base member. Each of the first pair of support protrusions and the second pair of support protrusions includes a first support protrusion having a first top surface, and a second support protrusion having a second top surface. The first support protrusion is capable of supporting an end portion of the reflection mirror on the first top surface. Each urging member of the pair of urging members is adapted to be secured over the second top surface of the second support protrusion for urging the end portion of the reflection mirror on the first support protrusion.

Abstract: A capsule configured for in vivo refilling of a thereapeutic agent. In certain embodiments, the capsule may contain methotrexate.

Abstract: A mounting assembly, for mounting a reflection mirror within a laser scanning unit, includes a mounting structure, and a pair of urging members. The mounting structure includes a base member, and a first pair of support protrusions and a second pair of support protrusions configured on the base member. Each of the first pair of support protrusions and the second pair of support protrusions includes a first support protrusion having a first top surface, and a second support protrusion having a second top surface. The first support protrusion is capable of supporting an end portion of the reflection mirror on the first top surface. Each urging member of the pair of urging members is adapted to be secured over the second top surface of the second support protrusion for urging the end portion of the reflection mirror on the first support protrusion.

Abstract: A nanochannel delivery device and method of manufacturing and use. The nanochannel delivery device comprises an inlet, an outlet, and a nanochannel. The nanochannel may be oriented parallel to the primary plane of the nanochannel delivery device. The inlet and outlet may be in direct fluid communication with the nanochannel.

Abstract: A blood pump consisting of an inflow cannula, a stator fixed to the pump housing, a flow straightener, an impeller, and a diffuser. The pump may include a flow straightener assembly consisting of the flow straightener body and front shaft. The pump may include an impeller assembly with a bearing on the front hub section. The pump may have a body contour which is shaped such that the rear section of the flow straightener body blends into the inserted shaft and there is no axial gap between the end of the flow straightener other than the ends of the blades and the front hub of the impeller.

Abstract: The invention relates to a pacing system, in particular an implantable pacemaker for pacing multiple chambers of the heart and sensing signals from the myocardium of multiple chambers of the heart which will allow the verification of a cardiac evoked response resulting from a delivered charge to the heart tissue comprising: a preamplifier having a) a DC coupled buffer amplifier first stage, comprising at least one buffer amplifier for each of the at least two electrode inputs, b) a switch matrix following the buffer amplifiers allowing sensing of the differential between any two of the at least two electrode inputs, c) a next stage of differential amplifiers providing gain to either the differential between any two electrode inputs or one input to ground, and d) a next stage filter stage.

Abstract: The invention relates to a pacing system, in particular an implantable pacemaker for pacing multiple chambers of the heart and sensing signals from the myocardium of multiple chambers of the heart which will allow the verification of a cardiac evoked response resulting from a delivered charge to the heart tissue comprising: a preamplifier having a) a DC coupled buffer amplifier first stage, comprising at least one buffer amplifier for each of the at least two electrode inputs, b) a switch matrix following the buffer amplifiers allowing sensing of the differential between any two of the at least two electrode inputs, c) a next stage of differential amplifiers providing gain to either the differential between any two electrode inputs or one input to ground, and d) a next stage filter stage.

Abstract: A housing and float assembly allow for vapors or gases displaced during filling storage vessels to be redirected from a normal vent through a vapor or gas activated whistle or alarm without significantly restricting the venting rate of the vessel. The alarm produces a warning for the operator that the storage vessel has reached the predetermined high level to help avoid overfilling of the storage vessel. The device can be fabricated from readily available "off the shelf" parts and mounts into standard pipe threads or on to standard pipe flanges. The device can be provided as a kit to be assembled by the user.

Abstract: The reciprocable plunger of the pump has a valve sleeve which circumscribes the plunger and shifts relative to the latter between port opening and port closing positions in response to telescopic depression and extension of the plunger within its receiving barrel. That portion of the plunger circumscribed by the sleeve is necked down and provided with the port that communicates the discharge passage of the plunger with liquid in the barrel. The sleeve is generally hyperbolic in longitudinal cross-section, having an inner surface which is generally complimentally received within the neck of the plunger. A pair of radially outwardly extending, annular steps in such inner surface on opposite sides of the port define a pair of corresponding shoulders on the inner surface that are disposed to engage oppositely tapering sections of the plunger neck during movement of the sleeve between its port opening and port closing positions, thereby to effect such opening and closing of the port.