Ivoclar Vivadent Ag

Ivoclar Ag

Ivoctar Vivadent Ag

Bruno Senn

Wolfgang Plank

Gottfried Rohner

Dario Tommasini

Gregor Fritsche

Markus Pauler

Reinhard Goerge

Peter Burtscher

Jurgen Mertins

Oliver Benz

Markus Feurstein

Tatiana Glebova

Alexander Grosse-honebrink

The present invention relates to a metering container (--) for metering a viscous material component (--), comprising a piston (--) for pressing the material component (--) from a storage container (--) into a metering chamber (--); and a metering plunger (--) for indicating a quantity of the material component (--) in the metering chamber (--), via which the material component (--) can be dispensed from the metering chamber (--).

Metering container for metering viscous material components

The invention relates to a dental light curing apparatus, having a display device on or at a housing wall of the light curing apparatus, especially on the upper face of the light curing apparatus, having a plurality of light sources, which are arranged below said wall and facing the wall, wherein at least part of the wall is transparent to the light radiation emitted from the light sources, wherein the wall comprises a smooth outer surface, and an equally essentially smooth inner surface of the wall is provided with a negative pattern (), and especially is printed, leaving the symbols () free, which negative pattern () is light-impermeable or essentially light-impermeable, and that the wall is superimposed onto the light source structure, which comprises partition walls (), which separate the light sources () from each other.

Dental light curing apparatus

The invention relates to a light-curing device, comprising a plurality of individual LED chips, each associated to a reflector, which LED chips are in particular each separately controllable and are arranged about a common central axis, in particular in each case at the same distance, and comprising reflection elements of the reflectors which adjoin one another, wherein the distance of the reflectors from one another is in each case substantially less, in particular less than a fifth, of the reflectors' diameter. The reflection elements () are arranged like a clover leaf and are part of a common reflector body () which separates the reflection elements (-) from one another by means of dividing walls (), and the reflector body () has externally on the reflection elements (-) reinforcing walls () which&#x2014;in relation to each cone ()&#x2014;lie opposite the central axis ().

Light-curing device

The invention relates to a light curing device comprising a light source that is arranged in the hand-held light curing device and has in particular a plurality of mutually adjacent chips which are arranged next to one another and form a light source and in front of which a light guiding element extends. The light curing device also comprises at least one sensor, which is sensitive to light in the emission wavelength range of the light source, and a control device for controlling the light source during the polymerization process, the sensor being connected to the control device. The control device continuously or at least periodically monitors the output signal of the sensor during the polymerization process and adapts the light output and/or the polymerization time in the event of a reduction of the output signal. The control device adds up the reflected radiation detected via the light exit surface () in order to calculate a possible location deviation, and the light exit surface () of the light guide is larger than or equal in size to the largest dental restoration () to be cured, the light exit surface having a cross-sectional area of more than 1 cmin particular.

Dental light curing device

The invention relates to a homogenizer having an input surface and an output surface which are incongruent to one another, at least one inclined surface extending between the input surface and the output surface. The inclined surface is corrugated. According to the invention, the homogenizer is designed as a hollow element which surrounds the LED chips () reflectively.

Homogenizer comprising a light source

The invention relates to a dental light-curing device () provided for dental material to be cured, which comprises a handpiece () and a base station, wherein the handpiece () has a light source, in particular having a plurality of LED chips (and), which&#x2014;with respect to the optical axis&#x2014;are arranged one next to the other, a control device () for the light source and at least one sensor, which is arranged adjacent to the light source, wherein&#x2014;again with respect to the optical axis&#x2014;a light guiding device, in particular a light guide rod (), extends in front of the light source, which light guide rod () has a passband for wavelengths which comprises at least blue visible light and, in particular, also green visible light and UV light, and having a selecting device for control programs of the control device (), in particular a push button on the handpiece (). The invention is characterized by comprising a control device () and also a 'pre-curing' control program, which can be selected by means of the selecting device, and in which the light-curing device can be activated with a secondary wavelength range, which is different from a light-curing main wavelength range, and the light radiation of which is outside the sensitivity range of the dental material to be cured. The control device () automatically switches on the light source in the main wavelength range in order to pre-cure excess glue () in dental restorations, in particular adhesive crowns or adhesive bridges, if at least one sensor detects light reflected from a tooth surface in the secondary wavelength range.

The invention relates to a light mixing device for a medical or dental-medical lighting device, in particular for a light curing device for the polymerization of dental masses, which device comprises a housing with a light generation device, as well as a light conductor. The light mixing device () comprises a bar-shaped light mixing member () with preferably at least one transparent material, in particular glass, as well as a holder () by means of which the light mixing device () is mountable between the light generation device () and the light conductor () and is held in position by the light conductor () as to be separable therefrom.

Light mixture

The invention relates to an apparatus for irradiating an object, in particular for light-curing a dental object by means of a first radiation, the apparatus comprising at least one radiation source for emitting the first radiation, the apparatus further comprising at least one radiation sensor for measuring at least a second radiation, and the apparatus further comprising a housing. The second radiation is the first radiation reelected by the object.

Apparatus for light-curing a dental object

Light meter for dental light curing devices

The invention relates to a light curing device for dental purposes having a plurality of semiconductor light sources, each light source includes a light-emitting chip, wherein said chips are mounted on a common and chip-cooling substrate. Each chip is surrounded by an individual reflector body connected to the substrate and/or the chip associated therewith, and the reflector bodies of at least two chips are arranged next to one another but are not connected with one another.

Light curing device

The invention relates to a light curing device, comprising a light source which is accommodated in a housing which has a light exit, through which light leaves the housing. It is provided that the light exiting direction of the light beam is variable, in particular infinitely variable.

The invention relates to a light curing device/base station combination, comprising a heat absorbing element, which is in particular metallic, and which is in thermally conducting connection with a heat source, in particular a light source, and in particular comprising a handle. The base station () has for the light curing device () a heat dissipating device(), which lies against the heat absorbing element () when the light curing device () is accommodated in or on the base station ().

Light curing device/base station combination

The present Invention relates to a hand-held light curing device (), in particular for the dental sector, with a base station () or a rest, on which the light curing device () having a light source () is supported. A sensor () is fitted on the base station () or the rest or on the light curing device (), and the sensor () initializes the light curing device ().

Hand-held light curing device

The invention relates to a light measuring device, in particular for dental light curing devices, for detecting the illumination intensity of a light source, which is arranged, in particular, in the light curing device, to which a light guiding device, in particular, having a light exit surfaceat its outlet, is connected, the light measuring devicehaving at least four measurement fieldsdistributed in two dimensions.

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Buchs, Switzerland

Bruno Senn