摘要:
A method and device delivers a medicament to a selected tissue for treatment of the tissue, plaque and biofilm included. In the device, a first reservoir member is used to connect to a fluid source. Further, a second reservoir member engages the first reservoir member to define a chamber for receiving the medicament. Structurally, the second reservoir member includes an outlet. Attached to the outlet is a tube that extends to a nozzle. When connected, the first reservoir member, second reservoir member, and tube define a passageway from the fluid source to the nozzle. During use, a flow rate for a fluid is established through the passageway to deliver the medicament from the passageway through the nozzle to the selected tissue.
摘要:
An arc tube fabricating process wherein an oxygen-absorbing getter is affixed to at least one of a pair of electrodes, one of the electrodes is sealed into the end of a tubular ceramic envelope, a dosage is deposited in the tubular ceramic envelope and the other one of the pair of electrodes is sealed into the other end of the tubular ceramic envelope.
摘要:
A low wattage metal halide discharge lamp includes an evacuated envelope wherein is disposed a heat loss reducing member having an arc tube therein and means for interrupting the circuit for the current flow which sustains the electrolytic sodium loss process. In one embodiment, the circuit interruption means includes supporting the arc tube and dome sleeve by a supporting rod that is affixed by a metal strap to the glass stem within the lamp. The primary circuit interrupting effect occurring upon the heat loss reducing member being supported about the arc tube in an electrically insulated manner so as to create a high path of resistance back to the power supply. A substantial reduction of sodium loss along with improved color constancy and voltage stability resulted from interruption of the electrolysis circuit.
摘要:
A high intensity discharge lamp includes, within the outer envelope, a strip of niobium foil serially connected between a power source and one of the electrodes of the arc tube of the lamp. The foil is not a power consuming element but will oxidize and open the circuit, thus extinguishing the lamp, in the event the outer envelope is ruptured.
摘要:
In some embodiments, a device (102) may include a mesh having at least one bioresorbable polymer coating. The coating may comprise at least one active agent which is eluted over time. The device (102) may at least partially cover at least a portion of an implanted transdermal medical device (100).
摘要:
An unsaturated vapor type high pressure sodium lamp includes an arc tube having a tubular ceramic envelope containing a dosing of sodium, mercury and a rare gas with an electrode sealed into each end of the envelope and an oxygen-absorbing getter telescoped over or affixed to the electrode.
摘要:
A single-ended lamp having a double-ended light-source capsule mounted axially within an outer envelope on thermally conductive support members such that the amount of heat conducted to the base region of the lamp through each support member is approximately equal. In a preferred embodiment, a high-pressure sodium PAR lamp having a temperature-sensitive component in the lamp base employs two support wires for the arc tube; the support wire coupled with the arc tube end closer to the lamp base has a loop formed therein so that the lengths of both support wires are approximately equal and the thermal conductivity of both support wires are also approximately equal in the operating environment of the lamp; whereby the temperature-sensitive component operates within acceptable temperature limits. In alternate embodiments, each support member may employ one or more loops or other configurations in order to minimize the amount of heat transferred to the lamp base through conduction in the support members. The invention has particular application in lamps having temperature-sensitive components or materials in the base region of the lamp, or where the temperature of the lamp socket or its surroundings is particularly constrained.
摘要:
A light-source containment device and lamp employing such device; a metal halide arc discharge lamp having a light-transmissive shield enclosing the arc tube and a wire mesh surrounding the shield. In the event the arc tube bursts causing shattering of the shield, the wire mesh substantially restricts shards of the shield and arc tube from shattering the outer envelope of the lamp thereby providing improved safety characteristics of the lamp. A similar containment device encloses the light-source capsule and protects against lamp-containment failures in tungsten halogen lamps.
摘要:
A rotating displacement sensor located on the tool holder under the cutting tip works equally well in many directions so it can perform in-process and tool condition compensation of contoured parts. The air nozzle is rotated by a turret-mounted motor and has a rectangular displacement sensing orifice whose plane is kept parallel to machined surfaces. An automatic control continuously adjusts the nozzle rotation to minimize the air gage output voltage and measured distance from the nozzle to the workpiece. The device may be used strictly as an inspection head.
摘要:
In the process of inserting and fastening a thin molybdenum ribbon into the slot of a slotted tungsten rod, for use in the press seal of a high silica glass lamp envelope, a two step welding process is used. The first weld is made with the two welding electrodes at the internal end of the slot. The second weld is made with the electrodes closer to the end of the rod.