Ultradent Products, Inc.

Jared Wayne Sheetz

Neil Thomas Jessop

Dee Jessop

Bruce S McLean

Wade Robert Michael Smith

Dan J Bills

Richard D Tuttle

Wade Robert Smith

A dental curing light includes a thermally conductive device body that efficiently conducts heat away from a light emitting diode (LED) assembly. The thermally conductive device body extends between a proximal end and a light emitting distal end to which the LED assembly is thermally coupled. The thermally conductive device body includes a handle portion extending to the proximal end and that is sized and configured for a dental practitioner to hold and manipulate with the hand. The thermally conductive device body acts as a heat sink to efficiently conduct heat away from the LED assembly during use. An electronics assembly and a rechargeable battery are disposed within a cavity of the thermally conductive device body. A sleeve or collar can be attached to the proximal end of the thermally conductive device body.

Dental curing light having a thermally conductive body that acts as a heat sink

Dental curing light

A dental curing light includes a device body that efficiently conducts heat away from the light emitting diode (LED) portion of the curing light. The device body is one-piece body formed from a continuous seamless piece of thermally conductive material extending between a proximal end and a distal end. The one-piece body includes a gripping handle portion extending to the proximal end and a light-emitting head portion extending to the distal end. The one-piece thermally conductive body acts as a heat sink to efficiently conduct heat away from the LED dies during use. The one-piece body eliminates problems of multi-segmented curing lights that include one or more joints between adjacent segments. Eliminating joints increases thermal conductivity of the body, eliminates crevices where microbes can grow, and eliminates the risk of accidental separation if the curing light is dropped.

Dental curing light having unibody design that acts as a heat sink

A dental curing light includes a device body that efficiently conducts heat away from the light emitting diode portion of the curing light. The device body includes a proximal gripping end and a distal head end. The device body is formed from a thermally conductive body material. Excellent heat conduction away from the LED dies is achieved using a thermally conductive layer disposed over the device body. The thermally conductive layer serves as a conduit to quickly conduct heat away from the LED dies for dissipation within the material of the device body. In this manner, the material of the device body serves as a highly efficient heat dissipater. The surface area coupling the thermally conductive layer to the device body is sufficiently large that a majority (e g, substantially all) of heat being conducted by the thermally conductive layer is transferred to the device body during operation of the device.

A dental curing light includes a device body that efficiently conducts heat away from the light emitting diode portion of the curing light. The device body includes a proximal gripping end and a distal head end. The device body is formed from a thermally conductive body material. Excellent heat conduction away from the LED dies is achieved using a thermally conductive layer disposed over the device body. The thermally conductive layer serves as a conduit to quickly conduct heat away from the LED dies for dissipation within the material of the device body In this manner, the material of the device body serves as a highly efficient heat dissipater. The surface area coupling the thermally conductive layer to the device body is sufficiently large that a majority (e g, substantially all) of heat being conducted by the thermally conductive layer is transferred to the device body during operation of the device.

A hollow syringe barrel for use in syringe mixing systems for mixing a two-component composition. A hollow body of the syringe barrel includes a proximal end, a distal end, and continuous cylindrical wall defining an internal chamber for containing a first component. A rupturable membrane disposed at the distal end caps and seals off a single dispensing orifice. A second syringe barrel can be coupled to the distal end of the hollow syringe barrel to form a syringe-to-syringe mixing system. First and second plungers disposed within the hollow syringe barrel and second syringe barrel, respectively, are used to mix and cycle back and forth first and second components initially contained within the hollow syringe barrel and second syringe barrel. The two components are initially separated by the rupturable membrane, which is irreversibly ruptured by applying sufficient pressure to the first plunger within the hollow syringe barrel prior to mixing.

Syringe-to-syringe mixing systems and related apparatus and methods

A hollow inner plunger for use within a syringe-in-syringe mixing system for mixing a two-part dental composition. The hollow inner plunger includes a body having a continuous cylindrical wall defining an internal chamber for containing a first component. The body includes a proximal end and a distal end. A sealing plug and rupturable membrane are disposed at the distal end of the body, and the sealing plug and rupturable membrane are integrally formed together as a single piece (e.g., formed of a single piece of elastomeric material). An associated syringe-in-syringe mixing system includes a first plunger, the hollow inner plunger, and a syringe barrel configured to contain a second component. When assembled, the first plunger is slidably disposed within the hollow inner plunger, and the hollow inner plunger is slidably disposed within the syringe barrel. The two components are initially separated by the rupturable membrane.

Syringe-in-syringe hollow inner barrel/plunger with integral seal and rupturable membrane and related kits, systems and methods

A plunger-barrel apparatus is adapted for use within a syringe-in-syringe mixing system for mixing a two-part composition (e.g., a dental composition). A hollow plunger-barrel body has a continuous cylindrical wall defining an internal chamber for containing a first component. The body includes a plunger receiving end and a dispensing end. An integral sealing plug and rupturable membrane is disposed at the dispensing end of the body and include a sealing plug portion and a rupturable membrane portion that are integrally formed together as a single piece (e.g., formed of a single piece of elastomeric material). An associated syringe-in-syringe mixing system includes a first plunger, the hollow plunger-barrel body as described above adapted to contain a first component, and a syringe barrel configured to contain a second component. When assembled, the first plunger is slidably disposed within the hollow plunger-barrel body, and the plunger-barrel body is slidably disposed within the syringe barrel. The two components are initially separated by the rupturable membrane.

Syringe-in-syringe hollow inner barrel/plunger with integral seal and rupturable membrane and related kits, systems, and methods

Dental illumination device

A hollow inner plunger for use within a syringe-in-syringe mixing system for mixing a two-part dental composition. The hollow inner plunger includes a body having a continuous cylindrical wall defining an internal chamber for containing a first component. The body includes a proximal end and a distal end. A sealing plug and rupturable membrane are disposed at the distal end of the body, and the sealing plug and rupturable membrane are integrally formed together as a single piece (e.g., formed of a single piece of elastomeric material). An associated syringe-in-syringe mixing system includes a first plunger, the hollow inner plunger as described above, and a syringe barrel configured to contain a second component. When assembled, the first plunger is slidably disposed within the hollow inner plunger, and the hollow inner plunger is slidably disposed within the syringe barrel. The two components are initially separated by the rupturable membrane.

A venting syringe plunger assembly for use with a syringe system allows for venting of gas from the syringe system during use. The plunger assembly includes a hollow outer sleeve having an interior surface, and an inner stem having an exterior surface. At least a portion of the inner stem is disposed within the outer sleeve so as to be movable (e.g., slidable) within the outer sleeve. A venting passageway is defined between the interior surface of the outer sleeve and the exterior surface of the inner stem. The plunger assembly also includes means for selectively moving the inner stem within the outer sleeve so as to selectively open and close the venting passageway.

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Orem, UT, United States of America

Jared Wayne Sheetz