Matches 1 - 42 out of 42


Match Document Document Title
US20150157420 DENTAL OR SURGICAL COMPRESSED AIR HANDPIECE AND TURBINE FOR SUCH A HANDPIECE  
Compressed air handpiece including a handle connected to a head housing a turbine. The turbine includes a moving wheel from a periphery of which extends a plurality of blades which define an outer...
US20150173851 DENTISTS' PREPARATION INSTRUMENT  
Disclosed is a dentists' preparation instrument (1) comprising a turbine (4) for driving a tool (3) using compressed air, and a rotor (6) that is arranged in a turbine compartment (5), rotates...
US20150164613 DENTISTS' PREPARATION INSTRUMENT  
A dentists' preparation instrument (1) comprises a turbine (4) for driving a tool (3) using compressed air, and a rotor (6) that is arranged in a turbine compartment (5), rotates about a...
US20120244492 Medical Air-driven Handpiece with Anti-retraction Stop  
The invention relates to a medical turbine handpiece, in particular a dental turbine handpiece, having a drive shaft rotatably mounted in the front end region of the handpiece and to which a tool...
US20120315598 DENTAL HANDPIECE  
A dental handpiece having a head comprising a headshell and an arm portion comprising an upper body and a lower body is presented. The head rotatably couples to the upper body, and the upper body...
US20090029312 Handpiece and method for preventing occurence of sucking back in the handpiece  
A handpiece and a method for driving the handpiece are provided in which a sucking-back problem can be prevented with a simple structure. The handpiece 10 has a gripping portion 11 to be gripped...
US20090160271 FLEXIBLE-TUBING MOTOR  
The present invention relates to a flexible-tubing motor for coupling dental instruments, containing a motor with a stator, with a rotor as well as with a coupling for coupling dental instruments,...
US20080213723 Medical/dental handpiece  
An inventive medical/dental handpiece is characterized by including: a head part 2 that rotatably holds a rotor 24 for detachably holding a tool 91; and a gripped part 3 that supports, at its...
US20060286505 Dental handpiece with pressure regulating mechanism  
The present dental handpiece has a burr sleeve, a head section, an air supply passage for introducing compressed air into the head section for driving the burr sleeve, and an air discharge passage...
US20140038123 DENTAL DRILL HEAD  
A dental drill head, constituted of a head housing, a wind wheel, and bearings, the head housing being constituted of a head housing cover and a head housing cavity, and the wind wheel being...
US20090160270 ELECTRIC MOTOR FOR DENTAL OR MEDICAL INSTRUMENT  
The present invention relates to an electric motor for the drive of a dental or medical instrument, with a rotor magnet mounted on a shaft, as well as with a stator and media conduits for leading...
US20090004623 SUCKBACK PREVENTION DEVICE FOR SINGLE USE HIGH-SPEED TURBINE DENTAL DRILL HANDPIECE  
A suckback prevention device for single use high-speed turbine dental drill handpiece, installed at the side assembled with the drilling needle of the head housing of the high-speed turbine dental...
US20120231415 Dental Handpiece with Air-Foil Bearings  
A dental handpiece of the type having a bearing supporting a turbine. At least one of the bearings is an air-foil type.
US20090075233 SINGLE-USE HIGH-SPEED TURBINE DENTAL DRILL HANDPIECE  
A single use high-speed turbine dental drill handpiece, comprising: a head (1), a drilling needle (2), a front handle (3), a back handle (4), and a quick disconnect water and air adapter (13). The...
US20080118890 ELECTRIC DENTAL HANDPIECE AND CONTROL SYSTEM  
An electric dental handpiece including a head engaging a handle and configured to rotatably support a tool. The handle includes a lower handle portion and an upper handle portion with the lower...
US20120115101 FLUID-OPERATED MEDICAL OR DENTAL HANDHELD ELEMENT  
A fluid-operated medical or dental handheld element is disclosed, having a connecting device for connecting the handheld element to a fluid source so that a first impeller can be induced to rotate...
US20100040994 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...
US20150064649 TURBINE DENTAL DRILL MECHANISM AND TURBINE HEAD WITH SAME MOUNTED THEREIN  
A turbine dental drill mechanism, which includes a turbine and a turbine shaft. A balancing chamber is provided on the mechanism and includes an automatic balancing component provided therein. The...
US20130052606 CLOSED LOOP SPEED CONTROL FOR A PNEUMATIC DENTAL HANDPIECE  
A detection system for remotely determining the speed of a rotating tool tip in a pneumatic dental handpiece. A means for detecting the speed of the rotating tool tip monitors a periodic...
US20080102418 ROTARY HAND TOOL  
A fluid-driven rotary hand tool for rotating a bit is provided. The hand tool includes a handle and a head attached to the end of the handle. A shaft is rotatably secured within the head and...
US20080064007 PROPHY ANGLE AND ADAPTER  
A dental prophy angle includes a housing and a rotor. The housing defines a first bore and a second bore in communication with the first bore, and rotor is disposed within the second bore. The...
US20070087307 Turbine wheel for a gas operated medical handpiece and medical handpiece having a turbine wheel, and method for milling a blade of a turbine wheel  
The invention relates to a turbine wheel for a gas operated medical, in particular dental-medical, handpiece, having a plurality of blades which extend in radial direction from a hub and extend in...
US20070259312 TURBINE FOR DENTAL BURR HANDPIECE  
A turbine for dental burr handpiece includes a turbine main body having an axial central bore with a pivot shaft fixedly connected thereto, and multiple circles of blade sets surrounding the main...
US20080261172 FLUID-OPERATED MEDICAL OR DENTAL HANDHELD ELEMENT  
A fluid-operated medical or dental handheld element is disclosed, having a connecting device for connecting the handheld element to a fluid source so that a first impeller can be induced to rotate...
US20070117064 Dental handpiece with improved grease retention  
A dental handpiece has a rotor assembly (10) with a rotor (15a) and two ball bearing assemblies (13, 14) supporting a rotor (15a). At least one of the ball bearing assemblies (13, 14) has a ball...
US20080108013 Dental handpiece with air-foil bearings  
A dental handpiece of the type having a bearing supporting a turbine. At least one of the bearings is an air-foil type.
US20050112526 Dental hand piece  
A dental hand piece, comprising a casing, an axis, front and rear bearings, a turbine, a front lid, and a drill head. Air of high pressure enters the casing through an air inlet, is led through a...
US20140255871 DYNAMOELECTRIC CONVERTER AND MEDICAL OR DENTAL DEVICE HAVING A DYNAMOELECTRIC CONVERTER  
Fluid-operated dynamoelectric converters for medical or dental devices are described. The dynamoelectric converters have: a fluid line which is designed in one piece with an outer sleeve of the...
US20080299514 Hand-Held Instrument for Dental or Surgical Use  
The invention relates to a hand-held instrument, for dental or surgical use, intended to rotate a rectilinear detachable tool (13). It comprises: a tubular sheath (1); a hollow shaft (3) rotatably...
US20080193893 DYNAMIC WATER SPRAY INTENSITY FOR DENTAL HANDPIECES  
A water spray intensity system for providing water to a dental workpiece based on dynamic conditions experienced by the handpiece. The dental workpiece is a dental structure, typically in the...
US20080318185 DENTAL HANDPIECE  
A dental handpiece is disclosed which comprises a grip section having a head section in which a treatment tool is detachably attached, and a drive section detachably connected thereto. The grip...
US20070087308 Medical, in particular dental-medical handpiece  
The invention relates to a medical handpiece, in the forward end region of which a tool can be put in place, having a mounting sleeve for receiving the tool, having a carrier sleeve, in which the...
US20110306011 Fluid driven dental handpiece with hydrostatic bearings  
A dental handpiece uses a single airflow input to drive both a rotor and provide a hydrostatic bearing. The fluid flow in the form of compressed air is applied first to the hydrostatic bearings...
US20100203472 TURBINE WHEEL FOR A GAS OPERATED MEDICAL HANDPIECE AND MEDICAL HANDPIECE HAVING A TURBINE WHEEL, AND METHOD FOR MILLING A BLADE OF A TURBINE WHEEL  
The invention relates to a turbine wheel (7) for a gas operated medical, in particular dental-medical, handpiece (3), having a plurality of blades (2) which extend in radial direction from a hub...
US20090274992 PNEUMATIC HANDHELD MEDICAL DEVICE WITH REDUCED NOISE  
A handheld pneumatic medical device, such as a dentist handpiece, is provided for rotating a bur about an axis. Importantly, the device utilizes the boundary layer effect to transfer energy from...
US20140120496 METHOD FOR CONTROLLING AND/OR REGULATING A COMPRESSED-GAS-OPERABLE MEDICAL DRIVE DEVICE AND SUCH A DRIVE DEVICE  
Methods for controlling and/or regulating of a compressed-gas-operable medical or dental drive device and a control and/or regulating device for performing such methods are described. In one...
US20110104636 Air-driven rotary cutting tool  
The air-driven rotary cutting tool comprising a grip part, a head part provided at a distal end of the grip portion; and a rotor of double-wheel type rotatably supported to a hollow portion formed...
US20160262848 DENTAL WATER TECHNOLOGY  
A heat sterizable, independent dental water supply apparatus has a hand piece control head and a water supply container removably connected to the control head. The apparatus in connectible with a...
US20160228210 BEARING UNIT FOR DENTAL AIR TURBINE AND DENTAL AIR TURBINE  
A dental air turbine includes a turbine blade, a rotating shaft which is integrally fixed with the turbine blade, and a pair of rolling bearings which rotatably support the rotating shaft with...
US20160213446 A FINGER MOUNTABLE DENTAL HAND PIECE DEVICE  
The present invention relates to a finger mountable flexible dental hand-piece device. In one embodiment the hand piece device comprises of: a head portion and a body portion, wherein the head...
US20160081766 Corded Dental Handpiece  
An improved dental handpiece is described. The handpiece has a reverse radius grip and an angled bulkhead for attachment of a power cord.
US20160000521 DENTAL PREPARATION INSTRUMENT WITH A PNEUMATIC TURBINE  
A dental preparation instrument having a pneumatic turbine (1) with a rotor (5) for driving a tool (1.1), wherein the rotor (5), which is mounted in a turbine chamber (18) for rotation about an...

Matches 1 - 42 out of 42