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Class 433/84 - Power-driven tool having fluid control valve for dispensed material


Subclass of Class 433 - Dentistry
Definition: Apparatus wherein the dispensed material is liquid or gaseous
No. of patents: 61
Last issue date: 02/28/2012


1    
NumberTitleIssue Date
8123522Dental handpiece fluid supply technology
A dental fluid delivery system for use with a dental drill is disclosed. The dental fluid delivery system includes a coolant water supply, a drive air line, a water line, and a coolant mist air controller. The coolant water supply unit includes a controller and a wa...
02/28/2012
7435085Dental treatment device with variable cooling
In the case of a treatment device, in particular a dental treatment instrument, having a tool, such as a dental drill, driven by a drive unit, and a conduit for delivery of a cooling medium to a treatment site worked by the tool, the quantity of the cooling medium d...
10/14/2008
7217127Switching device for irrigation fluids in a dental handpiece
A switching device for an irrigation line includes two flexible supply tubes (4a, 4b), each of the tubes connecting a flask containing an irrigation fluid to a handpiece via a peristaltic pump. The device includes at least one compression...
05/15/2007
7160108All-in-one prophy angle
The all-in-one prophy angle for cleaning teeth contains a self dispensing solid core prophy polish which allows the operator to perform an entire prophylaxis of the teeth with the efficiency of not having to remove the handpiece from the mouth, further, cross contam...
01/09/2007
7131838Dental apparatus and fluid reservoir for the same
The present invention relates to dental apparatus including a fluid reservoir having a connection part, and a fluid reservoir receptor section having a reception part. The connection part includes a cylindrical member, a shaft member slidably arranged through the cy...
11/07/2006
7021930Ozone applicator cup
A cup for use with the handpiece of an apparatus for applying gas to a portion of a tooth comprising a liner (18) configured and arranged to engage a gas dispensing handpiece, a body (16) defining a gas exposure chamber (28), the body having a h...
04/04/2006
6939535Method and apparatus for preventing tooth decay
A method for preventing tooth decay by initially treating the tooth surface with a laser with a coherent or noncoherent light source. This process makes the tooth more resistant to acid and more able to bond fluoride, thus requiring a lower concentration of fluoride...
09/06/2005
6918764Oral cavity cleaning device
An oral cavity device wherein a pump is driven with a cleaning head introduced in the oral cavity to suck residual matter in the oral cavity and to drain it into a waste liquid tank in order to clean the oral cavity, and wherein a water feed port of a water feed tub...
07/19/2005
6902337Dentifrice 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
6783365Dental handpiece having internal filter unit
A dental handpiece having a filter unit containing a filter that minimizes the exposure of patients to pathogens found in the dental unit water lines (DUWL) while promoting frequent replacement of DUWL filters, by providing a disposable microfiltration filter that i...
08/31/2004
6766549Toothbrush system with a three-dimensional brushing action and fluid irrigation
A toothbrush system using a combination of mechanical force and fluid dynamics to increase the efficiency of plaque removal from the teeth and gums. The toothbrush includes a head unit with an irrigator nozzle and a hydraulically actuated and continuously variable b...
07/27/2004
6729942Dental abrasion system
The present invention provides a portable dental system for use in areas having inadequate sources of power, either for human or for veterinary dentistry. The system provides one or more handpieces, each driven driven by a pressurized nitrogen gas contained in a por...
05/04/2004
6439966Hand-holdable gas/abrasion apparatus
A hand-holdable apparatus useful for abrading a surface is provided. The invention is particularly useful for dental applications using a stream of abrasive particles suspended in a gas stream to abrade the surface of a tooth. The apparatus of the inventi...
08/27/2002
6315557Rotary dental instrument and methods of use
A rotary dental instrument for rotating a cutting tool at a repair site of a patient's tooth and providing an irrigating liquid to the repair site. The instrument includes a handpiece having a rotating file coupled to a motor and an irrigating port couple...
11/13/2001
6290498Water valve for dental handpiece
The water valve links a dental handpiece to its tubing. The tubing conventionally has a high-pressure air tube in which air will flow when the handpiece is selectively activated, a cooling water tube for cooling the handpiece head and the patient's tooth ...
09/18/2001
6270342Dental laser treatment hand-piece and system
A handpiece is presented which utilizes fluid channels instead of electric wiring to provide power to a treatment device. These fluid channels operate a micro-turbine generator that provides electrical energy to treatment devices. Each micro-turbine gener...
08/07/2001
6264666Water jet for dermatological treatment
A system for the removal of epidermal and dermal skin through the use of a pressurized stream of water. The surgeon chooses the pressure of the water to obtain the desired abrasive affect. In one embodiment of the invention, a benign abrasive is added to ...
07/24/2001
6247929Oral irrigator handle assembly having a pressure control valve and stop valve assembly
A hand piece assembly for an oral irrigator having a pressure control valve assembly, a stop valve, and a housing. The pressure control valve assembly has a valve body having an intermediate section having a substantially cylindrical bore therethrough. A ...
06/19/2001
6196841Filter for spray ducts of dental or surgical handpieces
A filter for spray ducts of dental or surgical handpieces, wherein transfer of media from a coupling hose to the handpiece takes place through a plurality of small openings in an essentially cylindrical portion of the coupling hose of the handpiece, where...
03/06/2001
6179614Dental instrument and processes
A dental instrument includes a handpiece having a nozzle from which is ejected a stream of abrasive particles, and a valve operated under the control of a microprocessor which regulate, as selected by a user, the stream of abrasive particles either as a c...
01/30/2001
6099306Tooth powdering applicator
A tooth powdering applicator. A container for holding infrared reflective powder has an inlet connected to a source of pressurized fluid and an outlet connected to a rigid outlet tube. A cover is removably threaded on the container to allow for insertion ...
08/08/2000
6086368Portable air-driven dental apparatus and methods
A portable dental apparatus for treating patients or animals in remote locations comprises a dental drill driven by an air turbine; a pressurized air supply for driving the turbine and for pressurizing a water supply; and connections and valving for opera...
07/11/2000
6019905Process for sanitizing chlorinated water
A method for providing an active sanitized aqueous medium in a dental treatment operation. A chlorinated water supply is treated with a physiologically-safe acidifier to provide a substantially enhanced hypochlorous acid concentration. The water is treate...
02/01/2000
5944520Dental hand piece with internal back flow prevention valve
A fully autoclavable dental-hand-piece assembly which includes a unique, highly miniaturized, internally disposed, one-way check valve that effectively prevents microbial contamination from reaching the cooling fluid supply lines that provide cooling flui...
08/31/1999
5944521Tooth powdering applicator
A tooth powdering applicator. A container for holding infrared reflective powder has an inlet connected to a source of pressurized fluid and an outlet connected to a rigid outlet tube. A cover is removably threaded on the container to allow for insertion ...
08/31/1999
5934904Dental instrument and processes
A dental instrument includes a handpiece having a nozzle from which is ejected a stream of abrasive particles, and valves operated under the control of a microprocessor which regulate, as selected by a user, the stream of abrasive particles either as a co...
08/10/1999
5927976Medication injection device and method
A medication injection method and related device with a hollow drill bit for delivery of anesthetic or other medication through the hollow drill bit are disclosed. The device preferably includes a hollow drill bit, a disposable fluid dispenser, a handpiec...
07/27/1999
5899692Illuminated syringe tip and handpiece assembly
A dental syringe tip handpiece assembly includes a clear, plastic syringe tip mounted in an adaptor for connection to the handpiece. On the interior of the adaptor at a location adjacent the end of the syringe tip, a source of light, preferably a fiberopt...
05/04/1999
5871353Prophy angles with dentifrice dispensing systems
The invention provides for the incorporation of dentifrice preparations, which are commonly accessed from a container on a tray during teeth cleaning, internally within the housing of a disposable prophy angle. Auger, baffle or piston members are used to ...
02/16/1999
5762495Surgical instrument particularly for dental surgery
A surgical instrument including an operative assembly (1) and a supply assembly (3). The back of the operative assembly (1) and the front of the supply assembly (3) have complementary connectors forming a sealed connection between the assemblies. The supp...
06/09/1998
5709546Water sanitizing system and process
A method for incorporating concurrrent delivery of a bactericidal agent into water intended for supply to a dental unit. A reservoir adapted to contain a liquid bactericidal agent is connected to a variable rate pump having an inlet line extending from th...
01/20/1998
5593304Dental apparatus including multiple-use electrically-oscillated handpiece
Dental apparatus includes a handpiece graspable at one end by a user, and a head at the opposite end of the handpiece including a single nozzle, or a pair of nozzles, connectible to a source of a liquid, a gas, and/or powder. An electrical oscillating dri...
01/14/1997
5482462Dental handpiece
A dental handpiece includes an end grip member having a configuration and shape to be gripped by an operator, such as a dentist, during use. The end grip member has a first end to be connected to a supply and a second end having therein a recess. At least...
01/09/1996
5464350Dental handpiece with a check valve
A dental handpiece has a coupling member in which a passage for delivering a coolant to a discharge nozzle at the head part is provided. In order to prevent a flow-back of contaminated fluid with bacteria past the handpiece, a check valve is provided and ...
11/07/1995
5407352Transparent dental tube unit
A transparent dental tube unit contains a transparent turbine gas supply passage for allowing a pressurized gas supplied from a pressurized fluid supply source to be passed to a dental handpiece for driving a turbine provided in the handpiece, a transpare...
04/18/1995
5338194Medical treatment device and method for cleaning a flexible tube line
A medical treatment device, in particular for surgical purposes, consisting of a treatment instrument in the form of a handpiece which is connected to a control unit through a supply line. Operatively associated therewith, and preferably with the control ...
08/16/1994
5275558Dental handpiece, bur mount operating system
A dental handpiece provided with a handle and a head on one end thereof in which a turbine rotates at high speeds and accommodates a cutting bur having an axial through opening to direct a preferably hygienic coolant directly through the cutting end of th...
01/04/1994
5261816Dental handpiece coolant delivery system
A coolant delivery system for a high speed dental cutting handpiece. The system includes a coolant reservoir, a selectively operable pressurized gas source, and a pressurized-gas distribution structure. The distribution structure has a gas entry chamber, ...
11/16/1993
5252067Handpiece for dental medical treatment
The present invention provides a handpiece for dental medical treatment in which a head portion encasing therein an air turbine is detachably mounted on a handpiece body whereby the handpiece body capable of being subjected to high temperature sterilizati...
10/12/1993
5203698Wet foam sandblaster
The subject matter of the disclosed invention relates generally to dental cleaning processes and apparatus. A "wet foam sandblasting" system is described below in which a bubble foam laden with abrasive particles is propelled through a small nozzle by gas...
04/20/1993
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