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| Number | Title | Issue Date |
| 8162661 | Ultrasonic crown and bridge remover A dental tool having a pair of releasably and pivotably connected opposing jaw members. A biasing mechanism connected to at least one of the jaw members biases the jaw members toward a proximate rest position. A separating mechanism is connected to at least one jaw ... | 04/24/2012 |
| 7959438 | Movable pin ultrasonic transducer An ultrasonic tool is disclosed with a handpiece (300, 500, 806) containing coils (304A-304D; 504A-504D; 804A-804B) that produce an electromagnetic field that vibrates a magnetic rod (102, 702A, 702B, | 06/14/2011 |
| 7614878 | System and method for dynamic control of ultrasonic magnetostrictive dental scaler A magnetostrictive ultrasonic dental scaler is disclosed. The magnetostrictive device comprises an oscillator adapted to provide electrical energy including a current and a voltage signal, a handpiece having a tool tip which vibrates in response to the electrical en... | 11/10/2009 |
| 7604479 | Tip wrench for ultrasonic dental tool A dental instrument comprising a handpiece with a threaded extension and a working tool for attachment to the extension includes a wrench mounted on the distal end of the handpiece for use in attaching the tool to the extension. The wrench comprises a nose piece mou... | 10/20/2009 |
| 7530809 | Ultrasonic dental handpiece having a rotatable head An ultrasonic dental handpiece for holding a transducer is provided. The transducer converts electrical energy into ultrasonic vibrations. The dental handpiece includes a body, a rotator head, and a retainer ring. The body rotatably receives the transducer. The rota... | 05/12/2009 |
| 7353708 | Ultrasonic generator system The system controls the frequency of an ultrasonic signal to be applied to a waveguide, such that the frequency corresponds to a preferred resonance mode of the waveguide and not to adjacent undesirable resonance modes. The system operates by carrying out a first sc... | 04/08/2008 |
| 7300446 | Curved ultrasonic end effector A curved ultrasonic blade including a concave top surface, a convex bottom surface and a central ridge running along the concave top surface is described. In a curved blade according to the present invention the blade has a cross section which is substantially trape... | 11/27/2007 |
| 7296318 | Toothbrush employing an acoustic waveguide A power toothbrush (10) is disclosed having a handle (15) containing a rechargeable battery (12), an ultrasonic drive circuit (14), a sonic component (16) such as a motor, and a control unit (18). The handle is connected to ... | 11/20/2007 |
| 7293989 | Periodontal therapy instrument An instrument for periodontal treatment includes a blade (1) which is integrally connected to a head (2). The head (2) can be coupled to a handpiece to impart a vibratory movement to the blade (1). The blade (1) has an active part ... | 11/13/2007 |
| 7270646 | Ultrasonic operation apparatus for performing follow-up control of resonance frequency drive of ultrasonic oscillator by digital PLL system using DDS (direct digital synthesizer) An ultrasonic driving apparatus consists mainly of a digital oscillatory circuit, an amplifier, a detection circuit, a phase difference detection circuit, a register, a data transfer circuit, and a switching circuit. The digital oscillatory circuit is used to drive ... | 09/18/2007 |
| 7269873 | Ultrasonic toothbrushes employing an acoustic waveguide An oral hygiene device having an ultrasound transducer 22 and an acoustic waveguide 24 facilitating the transmission of ultrasonic acoustic energy to fluids in the oral cavity is disclosed. Preferred ultrasound operating parameters for operation in aqu... | 09/18/2007 |
| 7261717 | Methods and devices for delivering orthopedic cements to a target bone site Methods and devices are provided for delivery an orthopedic, e.g., calcium phosphate cement to a target bone site. In practicing the subject methods, a flowable cement composition is delivered to a target bone site in conjunction with vibration. Also provided are th... | 08/28/2007 |
| 7261718 | Use of vibration with polymeric bone cements Methods of employing bone defect filling, e.g., polymeric bone cements, are provided. A feature of the subject methods is that vibration is employed in conjunction with the use of the cement, e.g., in preparation of the cement, in preparation of the target site, in ... | 08/28/2007 |
| 7252672 | Use of vibration with orthopedic cements Methods of employing bone defect filling, e.g., orthopedic cements, such as calcium phosphate cements and the like, are provided. A feature of the subject methods is that vibration is employed in conjunction with the use of the cement, e.g., in preparation of the ce... | 08/07/2007 |
| 7217128 | Ultrasonic dental insert having interchangeable plastic and metal tips An ultrasonic dental insert for an ultrasonic dental tool is provided. The ultrasonic dental insert includes a transducer, a connecting body, a hand grip, at least one O-ring and a removable tip. The transducer generates ultrasonic vibrations. The connecting body ha... | 05/15/2007 |
| 7198623 | Fiber-coated dental infusor systems and methods of use A method for controlling bleeding during dental procedures using a medicament delivery system having a medicament under pressure and a hollow cannula having a fiber coated distal delivery end through which the medicament is dispensed, includes: (i) applying under hy... | 04/03/2007 |
| 7175431 | Water guiding mechanism of teeth cleaning machine A water guiding mechanism of teeth cleaning machine comprising a center shaft, a plastic base and an ‘O’ shape ring, the major character as following: a stainless-steel head is installed on the front of the center shaft, a bend is on the center of the stainless-... | 02/13/2007 |
| 7172420 | Ultrasonic shaping instrument The invention concerns an ultrasonic shaping instrument comprising: a mount structure (10), a sonotrode (14) elastically mounted on the mount structure (10), a tool (16) fixed to the sonotrode (14) for carrying out shaping operatio... | 02/06/2007 |
| 7163548 | Ultrasonic surgical blade and instrument having a gain step An ultrasonic surgical blade, and an instrument, having a gain step. The blade body has, in any half wave length of the ultrasonic-surgical-blade body, a first vibration antinode, a vibration node, a second vibration antinode, and a gain step. The gain step is locat... | 01/16/2007 |
| 7150629 | Lighted ultrasonic handpiece and color code grip system The present invention relates to a dental scaling translucent insert which provides a coaxially aligned light adjacent the distal end of such insert for illuminating the tip of the dental scaler which light may be provided by light emitting from a fiber optic light ... | 12/19/2006 |
| 7131837 | Vertically and horizontally standing dental scaler system and method The invention provides a dental scaler system and method of use. The dental scaler system has a dental scaler apparatus and a scaler handpiece enclosing a coil. The dental scaler apparatus has a housing and a scaler power control circuit. The coil is connected throu... | 11/07/2006 |
| 7122921 | Top loading internal assembly for a power toothbrush A first aspect of the disclosure concerns a driving assembly for a power toothbrush which includes a drive member, specifically an E-core electromagnet, a driven member which is responsive to the action of the drive member and a workpiece mounted on the distal end o... | 10/17/2006 |
| 7104794 | Ultrasonic dental tool having a light source An ultrasonic dental insert having at least one light source. A first transducer generates ultrasonic vibrations. A connecting body has a proximal end and a distal end having a tip attached thereto. The proximal end is attached to the first transducer so as to recei... | 09/12/2006 |
| 7090499 | Endodontic obturator with removable carrier and method of use thereof A method of filing an endodontically prepared root canal includes the steps of applying filler material to a distal portion of an elongated shaft formed of heat conducting material, inserting the proximal portion of the shaft having the filler material thereon into ... | 08/15/2006 |
| 7086111 | Electric dental cleaning device The invention is directed to a dental cleaning device. It relates in particular to a handle section of an electric toothbrushing device, with a coupling section for coupling various cleaning tools thereto, a drive mechanism for driving the coupled cleaning tool, and... | 08/08/2006 |
| 7083589 | Ultrasonic instrument with coupler for work tip An ultrasonic instrument includes generator of ultrasonic energy; a connecting body that receives ultrasonic energy from the generator and having an end from which the energy exits and a coupler at such end exterior of the connecting body having an inlet aspiration ... | 08/01/2006 |
| 7048477 | Drill measurement stops A depth stop for use with a drill bit comprises a tubular body having an opening therethrough. Used with a drill bit whose bit portion includes a cutting end, and a shank portion, the depth stop is frictionally positionable on the bit portion at a specified point fr... | 05/23/2006 |
| 7044736 | Ultrasonic dental insert having a hand grip fitted to a retaining ring An insert for an ultrasonic dental unit is provided. The insert includes a transducer for generating ultrasonic vibrations, and a tip for applying the ultrasonic vibrations at a location inside the mouth of a patient. A connecting body is disposed between and attach... | 05/16/2006 |
| 7044737 | Ultrasound oral hygiene and therapeutic device An ultrasound oral hygiene and therapeutic device comprises an array of ultrasonic transducers, a power generator, and a filling element. The ultrasonic transducer array, with optional radiation plates and reflection plates, produce uniform ultrasound radiation on e... | 05/16/2006 |
| 7040893 | Fiber-covered dental delivery instruments A dental delivery tool sized and configured to deliver a dental composition into a dental preparation includes: (A) a hollow body configured to deliver a dental composition therefrom; and (B) a plurality of fibers coupled to at least a portion of the hollow body. A ... | 05/09/2006 |
| 7017597 | Megasonic cleaning apparatus for fabricating semiconductor device A megasonic cleaning apparatus is provided for removing contamination particles on a wafer. The megasonic cleaning apparatus includes a piezoelectric transducer and an energy transfer rod. The piezoelectric transducer is for generating megasonic energy. The energy t... | 03/28/2006 |
| 6997709 | Dental hand instrument and tip of the instrument A dental hand instrument (10), comprising a handle (11) with parts (12a, 12b) at its ends. The end of each neck part is provided with a coupling element (15) designed for the connection of replaceable tips (20)... | 02/14/2006 |
| 6976843 | Dental scaler enhancements An ultrasonic dental scaler automatically supplies a frequency to match a handpiece connecting thereto. A handpiece connector includes one or more passive elements, which affect the resonant frequency produced by the generator. Multiple handpieces, each operating at... | 12/20/2005 |
| 6976844 | Ultrasonic microtube dental instruments and methods of using same Systems and methods related to ultrasonic microtube dental instruments designed to cut around a broken instrument by allowing the broken instrument to be placed within a lumen of the microtube instrument while simultaneously boring with the broken instrument and bei... | 12/20/2005 |
| 6955539 | Characterization of motion of dual motor oral hygiene device An oral hygiene device is disclosed having at least two motors to simultaneously vibrate and impart motion upon the head portion of the oral hygiene device, most beneficially at the tip. A first motor is positioned in the handle portion of the device to impart a fir... | 10/18/2005 |
| 6948935 | Ultrasonic dental device A device for performing endodontic procedures such as root canals by utilizing ultrasonic energy to debride the root canal space. The device includes a modified shaft assembly and a stainless steel hypodermic needle which concentrates the ultrasonic energy at the ti... | 09/27/2005 |
| 6932605 | Flocked endodontic files and other flocked devices The invention generally provides flocked files for debriding root canals during endodontic procedures. The flocked files comprise a shank with a periphery surface and fibers that are flocked or otherwise attached to the periphery surface. The periphery surface compr... | 08/23/2005 |
| 6926526 | Endodontic adapter for a sonic scaler The invention is an improved endodontic adapter for a sonic scaler consisting of a talon having a threaded end for insertion into the handle of the sonic scaler. A pair of downwardly pointed barbs protrudes radially from the side of the adapter for receiving an elas... | 08/09/2005 |
| 6923647 | Method for removing a dental crown and apparatus therefor Method and tool for fracturing the cement interface between a crown and a tooth or the like. The method is accomplished by positioning a piezoelectric driven rapid impacting tool against one side of a portion of a crown covering the tooth. The tool is covered with a... | 08/02/2005 |
| 6910889 | Ultrasonic surgical dental tool having a rasp tip A dental tool for use with an ultrasonic transducer, includes an elongated unitary shaft member having a longitudinal axis, a proximal end and a distal end having an outer surface, an attachment member at the proximal end to enable detachable attachment to an ultras... | 06/28/2005 |
