摘要:
Extendable and expandable ablation electrodes are disclosed. Electrophysiology catheter systems include ablation electrodes that maintain a reduced cross-sectional profile during introduction into a patient and are extendable and/or expandable once positioned at a lesion site. The expanded electrodes having a larger length or and/or diameter can help to produce large lesions. Controllability of the dimensions of the ablation electrodes may be improved.
摘要:
An apparatus and method for heating an endodontic instrument by infrared radiation includes a housing defining a chamber. An infrared heating element is positioned within the chamber. The housing includes an aperture and an adjacent holder for holding the endodontic instrument, such as an obturator. The endodontic instrument held by the holder extends through the aperture and into the chamber. The infrared heating element directs infrared radiation toward the endodontic instrument, which heats the endodontic instrument.
摘要:
An apparatus and method for heating an endodontic instrument by infrared radiation includes a housing defining a chamber. An infrared heating element is positioned within the chamber. The housing includes an aperture and an adjacent holder for holding the endodontic instrument, such as an obturator. The endodontic instrument held by the holder extends through the aperture and into the chamber. The infrared heating element directs infrared radiation toward the endodontic instrument, which heats the endodontic instrument.
摘要:
An indicator that the cartridge is draining slowly is placed on top of the cartridge. When slow draining causes urine to pool on top of the cartridge, liquid enters a float housing, causing an indicator to change color. The indicator is visible through a lens in a diverter. The indicator may be a disk that undergoes a chemical reaction to change color or a float that flips over to reveal a side having a different color. When the cartridge is operating properly, the float displays a first color. Flipping of the float reveals a second color to the observer. A color change indicates that the cartridge needs to be replaced.
摘要:
An indicator that the cartridge is draining slowly is placed on top of the cartridge. When slow draining causes urine to pool on top of the cartridge, liquid enters a float housing, causing an indicator to change color. The indicator is visible through a lens in a diverter. The indicator may be a disk that undergoes a chemical reaction to change color or a float that flips over to reveal a side having a different color. When the cartridge is operating properly, the float displays a first color. Flipping of the float reveals a second color to the observer. A color change indicates, such as by signaling, that the cartridge needs to be replaced.
摘要:
An apparatus and method for heating an endodontic instrument by infrared radiation includes a housing defining a chamber. An infrared heating element is positioned within the chamber. The housing includes an aperture and an adjacent holder for holding the endodontic instrument, such as an obturator. The endodontic instrument held by the holder extends through the aperture and into the chamber. The infrared heating element directs infrared radiation toward the endodontic instrument, which heats the endodontic instrument.
摘要:
A cartridge for placement in a urinal includes a chamber having an entry for receiving wastewater (e.g., urine), a quantity of sealant floatable on the wastewater in the chamber for functioning as a barrier to odors that may otherwise emanate from the wastewater in the chamber, a sealant reservoir coupled to the chamber for containing a supply of the sealant, and a closed path sealant dispenser for dispensing the sealant from the sealant reservoir to the chamber for maintaining the sealant modicum atop the wastewater. The sealant dispenser includes a cap having a U-shaped channel, and opening, and an orifice entering into a throat in which the sealant floats. An air vent avoids the buildup of suction in the primary reservoir. A secondary reservoir may be coupled to the sealant reservoir primarily for retaining additional sealant, in addition to any wastewater that might accompany the sealant for conserving sealant, and is particularly useful to avoid the deleterious effects of water being dumped into cartridge, particularly, sealant that is flushed out and into drain through the outlet-to-drain compartment, which flushing has a minimal effect on the sealant in the secondary reservoir. If desired, a water reservoir may be housed within the cartridge.
摘要:
An elastomeric anti-flushing diaphragm (80) having a cantilevered peripheral rim (84) is supported by and resides under a diverter (52) which is placed directly over the main or primary drain opening (44) in a top wall (40) of a urinal cartridge (22). As liquid passes under the diverter, a negative pressure or suction is created on the underside (96) of the diaphragm. As the flow of liquid increases, the negative pressure increases to pull down the peripheral edge (rim 84) of the diaphragm on the top wall and to constrict the flow of liquid that can pass under it, thus limiting the amount of turbulence in the sealing fluid (30) within the cartridge and preventing its loss to an external drain tube (34). When the liquid flow is sufficient to rise above the diverter, as in the case of a bucket (100) of water (102) being poured into the urinal bowl, the water creates a positive pressure above the diaphragm, that is, on its upper side (94). This positive pressure, in concert with the negative pressure on the underside of the diaphragm, seals the peripheral edge of the diaphragm to the top of the cartridge, thereby blocking the main drain and diverts the liquid to smaller secondary openings (45) in the top wall which can operate otherwise as cartridge-removing tool holes and vent holes. The flow through the secondary openings allows slow drainage and no loss of sealant. When the pressure subsides or is reduced, the diaphragm returns to its normal position due to its elastic resiliency, and allows normal operation of the water free urinal without any restriction.
摘要:
Method and apparatuses for powering medical devices on and off. One embodiment provides an apparatus that includes a plurality of medical devices. Each of the plurality of medical devices is configured to be electrically activated and deactivated. A central unit is configured to communicate with each of the plurality of medical devices and to receive a signal indicative of a triggering event. In response to receiving a signal that a first triggering event has occurred, the central unit sends each of the plurality of medical devices a signal to activate at the same time.