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Patent Searching and Data


Matches 1,701 - 1,750 out of 5,298

Document Document Title
WO/1981/001956A1
A dental handpiece (10) having an improved water/air spray system including a pair of substantially parallel tubes (22, 23), one for water and the other for chip air, extending through the handle (11) of the handpiece and terminating in ...  
WO/1981/001955A1
A chuck wrench (10) for dental handpieces (50) in which the wrench has a unitary handle (11) that may be easily gripped by a user for coupling the wrench to the head (52) of a handpiece (50) for adjusting the collet chuck (55) thereof. T...  
WO/1981/001364A1
When a dental turbine or hand-piece stops operating, the suction control upstream of the tool draws back the water of the spray up to the supply conduit. Now, most often, this water is contaminated and will contaminate said supply condui...  
WO/1981/000669A1
An improved positive-grip chuck assembly, particularly suitable for use with high-speed air-driven dental handpieces, in which a tubular chuck (22) has a radially-flexible bur-clamping section (22c) provided with an external shoulder (27...  
WO/1980/001643A1
The casing (12A) of a hand-held instrument (12) provides a contact surface for a capacitive switching circuit (33A) for energizing a controlled device (63). The switching circuit and device are remote from the contact area. The switching...  
WO/1980/000656A1
Improved less bulky rotor cartridge assembly for a dental handpiece. The rotor cartridge takes the form of a sub-assembly of a rotor (15), bearings (29 and 30) for the rotor, resilient rings (31 and 32) supporting the bearings, and a pla...  
WO/1979/000580A1
Control means for a fiber optic illumination system are disclosed having a light source and a fiber optics bundle (192) with a proximal end positioned adjacent to said light source and a distal end positionable in the immediate region wh...  
JP2024059687A
【課題】記憶装置と制御、調整又は供給ユニ ットとの間のハードワイヤード電力供給及び 通信リンク/データ伝達に関して、医療用又 は歯科用機器部分の設計を改良する。【...  
JP7467436B2
A dental turbine driven by pressurized air comprises a head housing (1) with a turbine chamber (2) and a rotor shaft (3) mounted using an anti-friction bearing (8a) with a non-rotatably mounted turbine wheel (13). The outer race (10a) of...  
JP7465916B2
Provided is a dental handpiece capable of rotating a cutting tool at a high speed as compared with a conventional dental handpiece. A dental handpiece 1 including coupling portion 4, a body 5, and a neck 6 to be held by a used and a head...  
JP2024515222A
The present invention relates to a coolant for cooling devices used in dentistry, said coolant comprising a Newtonian fluid having a higher viscosity than water. The present invention also relates to a method of cooling a dental device u...  
JP2024515223A
The present invention relates to a tip for a vibratory scaler for use in dentistry, the tip having a proximal inlet for receiving a coolant, a distal working part that is vibrated to aid in scaling, and a cooling part for cooling the wor...  
JP7462236B2
A multifunctional air pollution reduction device includes a tool and a multifunctional pollutant remover. The multifunctional pollutant remover is adjacent to or integrated with the tool. The multifunctional pollutant remover can not onl...  
JP7460764B2
A dental handpiece includes a head portion supporting a turbine for a removable rotating dental tool, and a handle portion having an internal cavity. One or more conduits extend at least partially through the internal cavity toward the h...  
JP2024513784A
The present invention relates to a method for preventing suckback of a dental handpiece and a dental handpiece system equipped with a bypass injection structure, which effectively blocks the suckback phenomenon that occurs at the moment ...  
JP7446500B2
The present invention relates to a device and a method for measuring osseous quality.  
JP7444823B2
To provide a foot controller that allows an operator's foot to be rested in a state that the operator's foot is placed on a pedal, and a medical care apparatus.A foot controller 5 includes a body part 5a, a pedal 5b, and a rotation shaft...  
JP2024028908A
A more robust and reliable method of tracking a dental handpiece through its use and maintenance. A dental handpiece (10) includes a head portion (14) supporting a turbine for a removable rotating dental tool (18) and a handle portion (1...  
JP2024025176A
An object of the present invention is to provide a dental handpiece abnormality determination device, an abnormality determination method, and a program that can determine abnormality with higher accuracy than conventional methods. [Solu...  
JP7434697B2
To provide a dental handpiece which requires frequent detachment/replacement of a tip tool, does not require a complicated structure, and prevents breakage of an annular elastic body fitted to a whirl stop of a vibration cartridge.A dent...  
JP2024505871A
The present disclosure provides a dental handpiece, its head, and a root canal preparation device, and belongs to the technical field of medical equipment. The dental handpiece head includes a head housing, a core member chamber is provi...  
JP7421236B2
A method of detecting approach of a bit to cortical bone, or approach of a bit to bone-soft tissue interface, while drilling bone with the bit comprising:providing an insulating coating extending from near a cutting end of the bit to a h...  
JP7413374B2
The invention relates to a rotor (1) having a turbine wheel (3) driven by propellant (TG) in a turbine housing (2), a dental preparation instrument (20) having such a rotor (1) and a method (100) for operating such a preparation instrume...  
JP2024002078A
The present invention provides a dental handpiece whose head height can be reduced. A dental handpiece 1 includes a main body part MP, a holding part 51, and a release mechanism RM. The release mechanism RM includes a cap 64, a cap ring ...  
JP2024002077A
The present invention provides a dental handpiece that can spread water spray in the vertical direction of a cutting tool and can suppress spread of water spray in the lateral direction of the cutting tool. A dental handpiece is a dental...  
JP2024002076A
The present invention provides a dental handpiece whose head height can be reduced. A dental handpiece 1 includes a main body part MP, a holding part 51, and a release mechanism RM. The release mechanism RM includes a cap 64, a cap ring ...  
JP2023182143A
To provide a dental treatment device capable of rotary drive of a cutting tool excellent in cutting efficiency while suppressing vibration of a drive part.In a dental treatment device, a root canal treatment device 100 treats a root cana...  
JP7398406B2
To provide an oil suction device and a dental examination unit that can eliminate a user's work to discard the oil collected in an oil collection case.An oil suction device 190 is a device for sucking oil from an oil collection case 180 ...  
JP2023551871A
The present invention is a system (1000) for cleaning and/or disinfecting a dental or surgical tool (600). The system (1000) includes a steam generator (100) and a compressed air source (200). The system (1000) includes a flow regulator ...  
JP2023175476A
To provide a dental stripping device which can grind side surfaces of tooth crowns that partially overlap each other and which can prevent the other tooth crown that should not be ground from being ground when the one tooth crown is bein...  
JP7394485B1
The present invention provides a dental handpiece that can suppress peculiar vibrations of a rotating dental instrument (cutting bar) that occurs during tooth cutting. [Solution] A dental handpiece 1 has a turbine chamber 2e formed there...  
JP2023551088A
A tool tip (10) for a dental treatment tool, in particular for a piezoelectric scaler, comprising a first section (11) extending in a first direction (D1) and a second direction (D2). a second section (12) extending in the direction of t...  
JP7381535B2
To provide a technology for accurately detecting the number of revolutions of an air turbine hand piece.A detector 100 comprises an input part 1011 into which a collected sound collected during drive of an air turbine hand piece is input...  
JP7377403B2
To provide a slip resistance tool of a dental handpiece which is less likely to roll even by slight force from the outside when being placed on a flat dental chair, and does not give feeling of discomfort or slidability when being grippe...  
JP2023164225A
To make a dental handpiece generate high frequency vibration at the time of rotation of a cutting blade tool so as to lightly and easily cut a root canal wall.A dental handpiece 1 is composed of a housing 10 including an air turbine 3 fo...  
JP2023162845A
To provide a user-friendly dental extra-oral suction system.A dental extra-oral suction system (ST) includes: a suction arm (1) having a first switch (161) and a second switch (171), a suction port (19) opening to an apical surface, and ...  
JP2023162078A
To integrate a dental handpiece and an acheless device for dynamically alleviating pain.A dental handpiece 1 comprises: a housing 10 having an air turbine 3 for rotating a blade tool 2 for cutting of a tooth; and a handle side housing 11...  
JP7369474B2
The present disclosure provides a device having a circuit. The circuit includes at least one boost converter receiving power from an energy source, a square wave driver in series with the boost converter, an inductor in series with the s...  
JP7367321B2
Provided is a roller bearing in which a restraining force of a seal member is further strengthened. The roller bearing includes: an outer ring having an outer ring raceway surface on an inner peripheral surface; an inner ring having an i...  
JP7365727B1
[Problem] To provide a control system for a dental air turbine handpiece, which has a simple configuration, can be applied to existing dental air turbine handpieces, and can better control characteristics related to rotation of turbine b...  
JP2023155100A
To provide a dental device capable of securing a dentist's direct visual field of a patient's oral cavity during a dental treatment.A dental handpiece 100 comprises: a body 10; a head 20 fitted to the tip of the body; an imaging unit 50 ...  
JP7361253B2
To provide a holder for attaching a dental tool, having a configuration smaller and simpler than a head part of a conventional holder body and having a mechanism in which a stopper hardly comes off from a head part of a holder body.A hol...  
JP2023146076A
To physically attach and detach a vacuum chip to and from a vacuum hose when a light source is installed in the vacuum chip side by performing electric connection between the vacuum chip and the vacuum hose corresponding to attachment/de...  
JP2023143565A
To provide a reciprocation generating tool that has a cam mechanism which allows reciprocation of a file to start from a small reciprocation at the beginning of rotation and that makes it difficult for a pin constituting the cam mechanis...  
JP2023130827A
To shorten a distance at which self-liquid is formed into liquid droplets, in jetting liquid at a high speed.A liquid jet device 1 is equipped with a nozzle 27 that jets liquid 3, a liquid carriage pipe 7 through which the liquid 3 is ca...  
JP7345726B2
To provide a flow control tool capable of adjusting a flow without using electric power.A flow control tool 10 comprises: an installation part to be installed on a handpiece body 53 with a tube; a support part which is provided on a carr...  
JP7345242B2
A subassembly for a dental care or surgical handpiece comprises a push button (16) comprising a contact surface (23) adapted to receive a manual pressure able to actuate the push button (16) slidably in a sliding direction. This subassem...  
JP7344796B2
The present invention provides a reactive gas application apparatus capable of easily and surely applying a reactive gas to a target object. The reactive gas application apparatus (100) includes: a plasma generating unit (12), a nozzle (...  
JP7341226B2
The invention provides for a dental or surgical handpiece with an elongated handle sleeve (110) and a head piece (50) attached to the front end of the handle sleeve (110) that serves to to detachably receive a dental tool as well as for ...  
JP2023125347A
To provide a cutting machine which is excellent in run-out accuracy of a cutting tool gripped by a gripping part of a spindle.A cutting machine 10 includes a tool stocker 80 for storing a cutting tool 6, a cutting device 50 having a spin...  

Matches 1,701 - 1,750 out of 5,298