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| Number | Title | Issue Date |
| 8182265 | Endodontic instrument with multi-tapered flutes A multi-tapered endodontic file is provided, formed from shaft of material having a shaft. The shaft includes a working portion having one or more tissue-removing edges, points and/or surfaces. The working portion includes at least a first flute and a second flute. ... | 05/22/2012 |
| 8109763 | Endodontic file An endodontic file (2) for use with a dental instrument has at least one cord (6) and a wire (8) wound around at least a major portion of the cord and having an abrasive outer surface (10). A handle having a gripping section is provided f... | 02/07/2012 |
| 8062033 | Dental and medical instruments comprising titanium Endodontic instruments for use in performing root canal therapy on a tooth are disclosed. In one form, the instruments include an elongate shank having a cutting edge extending from a distal end of the shank along an axial length of the shank. The shank comprises a ... | 11/22/2011 |
| 8047842 | Reciprocal reverse rotation endodontic file A single use, reciprocal reverse rotation, endodontic file includes a plurality of spaced apart helical flutes with spiraled lands therebetween. The lands have an edge with a positive cutting angle when the file is rotated in one direction and a scraping angle when ... | 11/01/2011 |
| 7967605 | Endodontic files and obturator devices and methods of manufacturing same An endodontic file, or a series of endodontic files, and an endodontic obturator or series of obturators, and methods of manufacturing same. Regarding the endodontic files, they may include a file body extending from a tip region to a shank region, at least one heli... | 06/28/2011 |
| 7955078 | Endodontic instruments for preparing endodontic cavity spaces Methods and apparatus providing a critical set of endodontic instruments. The set includes a first endodontic instrument, a second endodontic instrument, and a third endodontic instrument. Each endodontic instrument includes a working portion that has a cone-like sh... | 06/07/2011 |
| 7806690 | Endodontic instrument for performing root canal therapy An endodontic instrument adapted for use in performing root canal therapy. The instrument includes a holder with a grip sized to be gripped by a hand of a user. An arm extends from the grip and has a length sufficient to permit a free end portion to reach into a pat... | 10/05/2010 |
| 7766657 | Endodontic file combining active and passive cutting edges An endodontic reamer/file for cleaning/shaping a tooth root canal having an elongated shank with a proximal end portion, a distal end and a tapered working portion having a longitudinal axis, the external surface of the shank working portion being defined by a plura... | 08/03/2010 |
| 7740480 | Sequence of canal instruments for executing an endodontic operative procedure A sequence of canal instruments for performing an endodontic operating protocol uses a sequence of several instruments, for example, three such instruments with three cutting blades. The instruments have a progressive conicity, for example, 6%, 4% and 2%, and each i... | 06/22/2010 |
| 7731498 | Endododontic file with multi-tapered flutes A multi-tapered endodontic file is provided, formed from shaft of material having a shaft. The shaft includes a working portion having one or more tissue-removing edges, points and/or surfaces. The working portion includes at least a first flute and a second flute. ... | 06/08/2010 |
| 7713059 | Self adjusting instrument The invention is an instrument for cleaning and/or shaping and/or widening a channel that exists in or through a solid object. The design of the instrument the superelastic and shape memory properties of the material from which it is made, allow the inner volume enc... | 05/11/2010 |
| 7704075 | Instrument for drilling radicular channels The drilling instrument (10), for cleaning and forming of radicular teeth canals, comprises an end section (11), mounted in a chuck and driven by an electric motor, a distal region (12), a central region (13), provided with cutting flutes... | 04/27/2010 |
| 7481652 | Endodontic reamer and files An endodontic reamer (10) and a method for manufacturing endodontic reamers (10) and files, more specifically an endodontic reamer (10) having a cylindrical shaft (12) and a working portion (16) extending forward from a removed end... | 01/27/2009 |
| 7435086 | Endodontic tool having reduced torque demands A dental reamer/file is in the form of an elongated shank having a proximal end portion and a distal end and a tapered working portion of determined length extending therebetween, the external surface of the shank working portion having at least two equally spaced a... | 10/14/2008 |
| 7431588 | Instrument for reaming root canals and sequence of instruments comprising at least such an instrument An instrument for reaming a root canal, in particular, in the apical zone, includes proximal portions for receiving a handle which allows the instrument to be used by hand or on the head of a dentist's contra-angle handpiece, and distal portions having a blade with ... | 10/07/2008 |
| 7398598 | Methods for manufacturing endodontic instruments A method of manufacturing endodontic files involves a chemical milling process to yield endodontic files having a desired taper and/or degree of sharpness. The process involves the steps of (a) forming helical cutting edges in the cutting portion of the metallic rod... | 07/15/2008 |
| 7367804 | Endodontic instrument extractor tool manufactured from a shape memory material and related kits and methods An endodontic instrument extractor tool is configured for removing a fragment of a broken endodontic instrument that has become lodged within a root canal of a tooth. The extractor tool comprises an elongate shaft, including a hollow gripping body at a distal end, a... | 05/06/2008 |
| 7357773 | Handle and surgical article Handles for needles suitable for pelvic floor surgical procedures are described. ... | 04/15/2008 |
| 7354229 | Drill A drill including a chisel edge provided at a tip end portion, a spiral first chip discharging groove and a spiral second chip discharging groove, land portions provided between the first chip discharging groove and the second chip discharging groove, and a cut blad... | 04/08/2008 |
| 7347692 | Dental bur A dental bur structure including a rotatable shaft turned by a motor. The shaft possesses a proximal portion having a fluted surface. The bur also possesses a distal portion with a smooth surface tip which generates heat to melt a composite post matrix upon activati... | 03/25/2008 |
| 7338284 | Endodontic instrument and instrument system An endodontic file is provided for shaping and/or preparing a root canal. The file may include multiple cutting segments separated by non-cutting segments. The cutting segments are tapered and may have a cutting edge formed by plural helical flutes. Alternatively, t... | 03/04/2008 |
| 7335120 | String tension identification device and method A racquet string tension identification device and method for mounting on a stringed racquet utilizing a color coding system to denote the original string tension range in tens of pounds and having nine indicia areas with the number of additional pounds of tension t... | 02/26/2008 |
| 7322105 | Methods for manufacturing endodontic instruments by milling A method for manufacturing endodontic instruments by milling. A provided metallic (e.g., a nickel-titanium alloy or stainless steel) thread or wire having a longitudinal axis is advanced along its longitudinal axis at a feedrate while contacting at least a portion o... | 01/29/2008 |
| 7311522 | Endodontic instruments and method of manufacturing same A method of manufacturing an endodontic instrument using an electrochemical (ECG) grinding process. An instrument blank is formed from stock material, and an electric current is applied between an electrically conductive grinding wheel, acting as a cathode, and the ... | 12/25/2007 |
| 7300281 | Endodontic file having bi-directional scraping edges An endodontic file having an elongated shank with a proximal end portion, a distal end and a tapered working portion extending from the proximal portion to the distal end, the external surface of the shank working portion being defined in part by a plurality of at l... | 11/27/2007 |
| 7288562 | Fluoro and sulphonylamino containing 3,6-disubstituted azabicyclo (3.1.0) hexane derivatives as muscarinic receptor antagonists This invention generally relates to the derivatives of novel 3,6 disubstituted azabicyclo[3.1.0] hexane's. The compounds of this invention are MUSCARINIC receptor antagonists which are useful, inter-ail for the treatment of various diseases of the respiratory, urina... | 10/30/2007 |
| 7278852 | Kit of sub-kits for placing a dental post A kit of dental sub-kits for use in placing a dental post in a prepared recess (e.g., a root canal) of a person's tooth. The kit includes a tray having an interior recess configured to removably receive therein a plurality of individual dental sub-kits. Each sub-kit... | 10/09/2007 |
| 7271757 | Encoder circuit and A/D conversion circuit An encoder circuit and A/D converter that can minimize the error of an encoder output with respect to all the possible combinations of thermometer codes are desired to be provided. To this end, an encoder circuit has a logic thereof configured to take a thermometer ... | 09/18/2007 |
| 7270541 | Endodontic files having variable helical angle flutes A rotatable endodontic file for cleaning/shaping a tooth root canal, comprising an elongated shaft having a proximal end portion, a distal end and a tapered working portion having a rotational axis, the working portion extending from the proximal portion to the dist... | 09/18/2007 |
| 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 |
| 7252508 | Endodontic obturator An endodontic obturator comprising a shaft section and a filler section fabricated of the same material and formed as a single unit. A handle section may be included and may be formed integrally with the shaft section and filler section as a single unit, or may be f... | 08/07/2007 |
| 7249414 | Method for making a root canal instrument Alternative methods are described for machining a root-canal instrument, such as a root-canal reamer, which includes a working section having three flutes forming three cutting lips which are located at the apices of an isosceles triangle. ... | 07/31/2007 |
| 7234939 | Dental instruments having a handle formed by two-shot molding A dental instrument having a two-shot molded handle and methods for making the same. The dental instrument includes a dental instrument shank of metal with a handle formed near the proximal end of the shank. The handle includes a first polymer formed over a portion ... | 06/26/2007 |
| 7232309 | Endodontic platform and use thereof An platform for use with an instrument during an endodontic procedure. The platform includes a substantially rectangular-shaped body for holding the instrument pierced partly therethrough, a linear measure for establishing the working length of the instrument; and a... | 06/19/2007 |
| 7226289 | Method for overmolding polymers over dental tools A method for overmolding a plurality of polymers having different properties onto a dental instrument. The method involves providing a dental instrument substrate made of metal, overmolding a first polymer onto a portion of the dental instrument substrate, and then ... | 06/05/2007 |
| 7223100 | Endodontic instrument having notched cutting surfaces A fluteless endodontic file is provided, formed from a tapered shaft of material having a prismatic shape generally defined by three or more side surfaces and three or more interposed corners. A plurality of notches are cut into one or more corners defining cutting ... | 05/29/2007 |
| 7207111 | Method of manufacturing an endodontic instrument Method for manufacturing endodontic instruments having either helical or non-helical flutes with hard surfaces and resilient cutting edges by either an EDM or ECM process, wherein material is removed from the instrument blank in the desired flute pattern. The EDM or... | 04/24/2007 |
| 7198486 | Rotary dental file having a safe breakage point An endodontic file (6) including a discontinuity (18) formed within the file shank (7). The discontinuity (18) creates a safe breakage point at which the file (6) will fail prior to a failure occurring at any other point along the ... | 04/03/2007 |
| 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 |
| 7195485 | Kits for placement of a dental post A dental kit for use in placing a dental post in a prepared recess (e.g., a root canal) of a person's tooth. The dental kit includes a finishing drill, a plurality of permanent dental posts, a dental post analog, and optionally, a starter drill. The kit also include... | 03/27/2007 |
