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2625results about "Dispensing apparatus" patented technology

Dispenser and cosmetic or dermatological preparation comprising an auxiliary for use with dispenser

InactiveUS20050189377A1Improves haptic propertyCosmetic preparationsPower operated devicesPolyolSURFACTANT BLEND
The present invention is a cosmetic or dermatological preparation for use with a dispenser that includes an auxiliary to keep the dispenser operating smoothly. The auxiliary is selected from the group consisting of (i) polyols having 2 to 6 carbon atoms and 2 to 6 hydroxyl or alkoxy groups and (ii) surfactants that reduce the surface tension of the preparation to less than 30 mN/m. The preparation is particularly suitable with a dispenser comprising a container and an inner container wall for housing a cosmetic or dermatological preparation; a follow-up plunger on a base side of the dispenser, which is capable of being slidably displaced on the inner container wall under the pressure of the ambient atmosphere; a head section on a top end of the dispenser that can be slidably displaced in relation to the container and that comprises a dispensing channel, the dispensing channel capable of being connected in a communicating manner to the container; a manually actuable delivery device comprising a variable-volume delivery chamber, a delivery element that can be displaced longitudinally in relation to the container and the head section, comprising a delivery plunger that can be slidably displaced within the delivery chamber and a delivery stem connected to the delivery plunger, and a delivery channel circumferentially enclosed by the delivery stem and comprising a delivery-channel inlet opening communicating with the delivery chamber and a delivery-channel outlet opening. The delivery channel outlet opening is capable of being moved into an open position relative to the dispensing channel by displacing the delivery element.
Owner:BEIERSDORF AG

Clamping screw extractor

A tool for gripping and removing mechanical fasteners such as pedicle screws. With reference to FIG. 7, the device generally resembles a screwdriver, having a handle on one end, a long shaft in the middle, and fastener engaging means on the other end. The fastener engaging means comprises a set of two or more jaws having inward facing gripping surfaces positioned to grasp the external surfaces of a screw head. The jaws are formed as part of a collet slidably mounted within an outer thread sleeve. The thread sleeve is attached to the shaft. A tapered journal on the collet interacts with a tapered bore in the thread sleeve so that when the collet is pulled into the thread sleeve, the set of two or more jaws are squeezed together. The threaded engagements between the collet and the thread sleeve should be the reverse of the thread on the screw to be removed; i.e., if a right-hand screw is to be removed then the threaded engagement between the collet and the thread sleeve should be made with a left-hand thread. In operation, the jaws are placed over the screw head and the device is rotated in a counterclockwise direction (for removal of a screw with a right-hand thread). The inward facing surfaces on the jaws bear against the bolt head, thereby impeding the rotation of the collet relative to the thread sleeve. The left-hand threaded engagement between the collet and the thread sleeve therefore pulls the collet further into the thread sleeve, whereupon the tapered bore squeezes the jaws more tightly together. Thus, the reader will appreciate, applying torque to the device when it is in position on a screw head simultaneously torques the screw head and squeezes the jaws more tightly together. The inward facing surfaces are also provided with an undercut in order to accommodate axial misalignment between the jaws and the screw head.
Owner:MEDITRON DEVICES

Vapor hydration of a hydrophilic catheter in a package

ActiveUS20060163097A1Little and no possibility of liquid spillageEasy to handleDispensing apparatusDiagnosticsHydrophilic coatingBiological activation
A vapor hydrated packaged catheter assembly and method of manufacturing and distributing same includes a gas impermeable package housing a catheter within a catheter-receiving cavity. The catheter assembly has a hydrophilic coating applied to at least a portion of the outer surface of a catheter tube or shaft which may be surrounded by a sleeve to provide a no-touch, sure grip feature. The catheter assembly is disposed within the catheter receiving cavity of the package together with a limited amount of a vapor donating liquid provided as a source of vapor to activate the hydrophilic coating. The amount of vapor donating liquid is less than the amount that would otherwise be sufficient to cause a spill hazard. It may be loose liquid as a desired percentage of the volume of a tube-receiving portion of the catheter receiving cavity of the package, or it may be contained in a liquid sequestering element. The activation of at least some of the hydrophilic coating occurs solely by reason of exposure of the outer surface of the catheter to a vapor produced by the vapor donating liquid. The distribution of the catheter following manufacture is delayed for a time sufficient to permit the vapor to complete hydration of the entire hydrophilic coating on the surface.
Owner:HOLLISTER INCORPORAED
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