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| Number | Title | Issue Date |
| 7409741 | Toothbrush with tuned vibrating head A toothbrush provides a head with bristles, a neck and a handle. An eccentrically rotational weight is engaged for rotation with a motor, the weight disposed within the head. The motor is disposed within the handle. The head and neck are integrally formed with a nat... | 08/12/2008 |
| 7322822 | Apparatus and method for removing enamel from a person's tooth According to one embodiment, an apparatus for removing enamel from a person's tooth includes a blade portion and a handle portion. The blade portion includes an abrasive surface adapted to remove enamel from the tooth in response to reciprocating movement of the abr... | 01/29/2008 |
| 7261561 | Vibrational driver for endodontic activators A contra-angled driver receives an endodontic activator to induce vibrations and/or oscillations in the activator at sonic frequencies. The driver includes a quick connect/disconnect to allow for quick and simple mounting and dismounting of the activator. ... | 08/28/2007 |
| 7246416 | Slidingly Engagable Fasteners and method Improved Fasteners of the Slidingly Engagable type are provided in uni-directional and multi-directional orientations, in single and double-sided configurations, and in a range of designs which also include provisions for attaching certain embodiments of such fasten... | 07/24/2007 |
| 7225494 | Multi-motion toothbrush An electric toothbrush is provided. The electric toothbrush includes a handle having a motor disposed therein, a head having a longitudinal axis, and a neck disposed between the handle and the head. First and second bristle holders are associated with the head. The ... | 06/05/2007 |
| 7080980 | Dental hygiene device A dental hygiene system provided with interchangeable dental heads permits power-enhanced brushing and concurrent fluid irrigation to optimize a user's personal dental hygiene efforts. The system has a handle assembly with an irrigation nozzle in close proximity to ... | 07/25/2006 |
| 6964076 | Electric toothbrush In one aspect, the present invention is directed to an electric toothbrush. The toothbrush includes a housing, an electric motor, a first transmission and a second transmission. The electric motor is connected to the housing has a motor output member for rotation ab... | 11/15/2005 |
| 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 |
| 6910883 | Orthodontic bracket cleaner The present invention is a powered instrument for removing excess bonding material from the surfaces of orthodontic brackets while they are attached to a patient's teeth. The instrument is particularly effective in removing bonding material from the inner surfaces o... | 06/28/2005 |
| 6910887 | Device for performing an endodontic treatment A device for use in an endodontic treatment, for example for filling a root canal of a tooth that is empty as a consequence of the removal of the nerve, with a thermoplastic product such as gutta percha, which product is distributed in the root canal by means of hea... | 06/28/2005 |
| 6902337 | Dentifrice dispensing electrical toothbrush A dentifrice dispensing electrical toothbrush using a replaceable dual-channel brush head. The dual-channel brush head has a first channel for housing a drive shaft for bristle oscillation and a second channel for dispensing the dentifrice material. The brush head i... | 06/07/2005 |
| 6766548 | Accessories mount for an electric toothbrush An accessory mount for an electric toothbrush having a motor which is arranged in a handpiece for driving vibration-generating mechanism. The mount including an elongate protective cover attachable to the handpiece. The vibration-generating mechanism is arrangeable ... | 07/27/2004 |
| 6721986 | Electric toothbrush In one aspect, the present invention is directed to an electric toothbrush. The toothbrush includes a housing, an electric motor, a first transmission and a second transmission. The electric motor is connected to the housing has a motor output member for rotation ab... | 04/20/2004 |
| 6629842 | Dental handpiece A dental handpiece to securely detect the load applied to the handpiece itself, and when an excessive load is applied to the handpiece, the cutting operation is suspended. The dental handpiece includes: a head; a support mounted in the head to support a c... | 10/07/2003 |
| 6626670 | Powered periotome A periodontal surgical instrument is disclosed which includes a motor. A rotary member is mounted for movement at a center of rotation of the rotary member. A shaft couples the output of the motor to the center of rotation of the rotary member. A coupling... | 09/30/2003 |
| 6511319 | Dental prophylaxis handpiece A handpiece is provided. The handpiece comprises a shaft one end of which includes a connection means in the form of a shank to accept an aperture in a dental handpiece drive, the other end of the shaft includes a pin with a central longitudinal axis offs... | 01/28/2003 |
| 6446294 | Electric toothbrush An electric toothbrush is provided which includes an elongate body having an interior cavity, a power source mounted within the cavity, an elongate drive shaft driven rotatably by the power source, a camwheel mounted on the drive shaft, a yoke with projec... | 09/10/2002 |
| 6447293 | Drive mechanism for interproximal flossing device An interproximal flossing device including a link member that isolates lateral from vertical rotational movement to transfer only translatory arcuate movement. This is done by the combination of a hinge and pivot structure. A tip attachment structure is a... | 09/10/2002 |
| 6409507 | Drive mechanism for oscillatory dental tool with improved bushing A transmission for changing rotary motion into angularly reciprocating motion and adapted to be mounted on the output end of a dental power unit of the type having a rotary drive output and used to drive a dental tool. The transmission is comprised of a s... | 06/25/2002 |
| 6247931 | Drive mechanism for oscillatory dental tool A transmission for changing rotary motion into angularly reciprocating motion and adapted to be mounted on the output end of a dental power unit of the type having a rotary drive output and used to drive a dental tool. The transmission is comprised of a s... | 06/19/2001 |
| 6106290 | Dental tool with controlled simultaneous reciprocal and oscillating motion In a dental hand-piece, a sleeve connected to a dental tool reciprocates in a head. A fixed protrusion from the head engages a groove on the moving sleeve. The groove has portions that are transverse to the axis of reciprocation causing the sleeve to osci... | 08/22/2000 |
| 5931672 | Drive mechanism for oscillatory dental tool A dental tool assembly having a driving mechanism with interengaging camming surfaces shaped for continuous contact during use. The mechanism includes a drive shaft having a drive surface and a driven shaft having a driven surface. The cam surfaces are sh... | 08/03/1999 |
| 5651157 | Electric toothbrush with vibration An electric toothbrush having a handle with a cavity therein, a motor mounted in the cavity of the handle and having a rotatable shaft, a brush head, and a shaft arranged to connect the brush head to the handle. An eccentric weight is mounted to the motor... | 07/29/1997 |
| 5616029 | Dental treatment device for forming screw hole for embedment of implant material A dental treatment device for forming a screw hole for embedment of an implant material by a tool attached to the dental treatment device contains a speed-reducing unit for decelerating rotation of an external electric motor and raising torque for transmi... | 04/01/1997 |
| 5454718 | Handpiece head for a medical or dental handpiece with a reciprocating treatment tool In a handpiece head for a medical or dental handpiece having an in particular angular housing, in which a treatment tool is mounted so that it can move back and forth along it centre axis and rotate, wherein a rotating position adjustment device for the t... | 10/03/1995 |
| 5453008 | Contra-angle head for endodontic instrument A dental handpiece head comprises a tool holder (17) driven by an eccentric crankpin (10) engaged in a vertical groove (18) of the tool holder. The axial displacement of the tool holder is limited by a finger (13) engaged in a transverse cutting (12) of t... | 09/26/1995 |
| 5421726 | Tooth-brushing method by an electric toothbrush having a predetermined vibration frequency A tooth-brushing method comprises the steps of: predeterming respective weights of an electric toothbrush and a heavy eccentric mass as well as a location of the center of gravity of the eccentric mass; establishing an output of a motor at about 7,000 rpm... | 06/06/1995 |
| 5340310 | Dental prophy angle A disposable attachment for reciprocably mounting a dental tool and being mounted to a conventional handpiece which provides the drive for the tool. The attachment includes a plastic housing having a neck and sleeve to rotatably mount a shaft which is dri... | 08/23/1994 |
| 5330355 | Endodontic angle-piece A dental apparatus provided with a drive unit for operative dentistry instruments, specifically a powered system for performing the various phases of operative dentistry operations. This advanced dental apparatus is essentially characterized in that the w... | 07/19/1994 |
| 5318445 | Process and instrument for dental treatment A polishing dental instrument includes a polisher, which is vibrated by a drive shaft connected to a motor-driven drive via an eccentric pin. The eccentric movements are elastically transferred to two arms via two compression springs. The arms are fixed t... | 06/07/1994 |
| 5205744 | Dual position self powered dental device This invention provides a self-powered dental hygiene device having an outer housing with three sections, a battery section at one end, an intermediate electric motor section and at the second end a transmission section with a head end section at the dist... | 04/27/1993 |
| 5169312 | Dental apparatus intended for driving an instrument for endodontic surgery The apparatus of the contra-angle type comprises an instrument holder sleeve driven in a combined movement of alternate rotation and translation by an eccentric stud fixed to the end of a flexible shaft consisting of a metal cable. It comprises a device f... | 12/08/1992 |
| 5158457 | Dental process and instrument for polishing roots of teeth A polishing dental instrument includes a polisher, which is vibrated by a drive shaft connected to a motor-driven drive via an eccentric pin. The eccentric movements are elastically transferred to two arms via two compression springs. The arms are fixed t... | 10/27/1992 |
| 5151030 | Dental filler applicator In accordance with the present invention there is provided a tool for applying a filling material to a tooth cavity or other surface including a housing for grasping by the hand of the user, a vibrator contained within the housing for vibrating the housin... | 09/29/1992 |
| 5040977 | Self powered dental plaque-removing device This invention provides a self-powered dental hygiene device having an outer housing with three sections, a battery section at one end, an intermediate electric motor section and at the second end a transmission section with a head end section at the dist... | 08/20/1991 |
| 5002487 | Periodontic tool with triangular vibration path The tool has an elongated, at least partly hollow body including a handle portion and a free end adapted for carrying a periodontic end effector. A shaft, powered by a motor and rechargeable battery, rotates within the hollow portion. A fixed ring is moun... | 03/26/1991 |
| 4979899 | Scaler for cleaning teeth The scaler includes a housing which is an angle piece and includes a grip housing and an instrument housing positioned at an angle to the grip housing. A scraper is inserted in a bearing sleeve mounted in bearings in the instrument housing and can be move... | 12/25/1990 |
| 4909241 | Electric periodontal massager An electric periodontal massager having a housing and a first shaft rotatably disposed therein about an axis. An electric motor is provided for rotating the shaft and a crank is disposed on the other end of the shaft. A second shaft having a rubber or res... | 03/20/1990 |
| 4834653 | Dental instrument A dental instrument is described by which a tooth file is automatically driven by a driver for producing alternating movement forces in the axial direction of a tool support bearing the file to a predetermined axial limit position in each direction, the d... | 05/30/1989 |
| 4820153 | Process and apparatus for cleaning a tooth A process for treating periodontitis existing in the mouth of a patient having teeth with roots extending downwardly in the gums by using a scaler including a scraper with a cutting edge and a handle for the scraper. A dentist uses the scraper to remove t... | 04/11/1989 |
