Dental treatment and/or examination assembly, dental coupling unit, and method for flushing the liquid-conducting system of a dental treatment and/or examination assembly
The invention relates to a dental coupling unit (1), which can be detachably coupled to an instrument attachment (2) for dental treatment and/or examination at the front end (11) of the coupling unit and also can be connected to a supply unit (3) for providing supply media for the instrument attachment (2), wherein a media supply line (4) extends through the coupling unit (1) toward the instrument attachment (2) and wherein additionally a media return line (5) extends through the coupling unit (1), which media return line is connected to an end region of the media supply line (4) extending through the coupling unit (1), which end region faces the instrument attachment (2). The coupling unit (1) has a valve assembly (6), which conducts the liquid from the coupling unit (1) to the instrument attachment (2) when the instrument attachment (2) is attached and conducts the liquid to the media return line (5) and blocks the escape of the liquid at the front end (11) of the coupling unit (1) when the instrument attachment is not attached.
The invention relates to a dental powder jet device having a container (1) for an abrasive powder, a nozzle (2) and a first line arrangement (3), which extends from a connection (4) of the powder jet device through the container (1) to the nozzle (2) and is designed for guiding a mixture, formed of a powder and a first fluid provided to the powder jet device, to the nozzle (2). The powder jet device further has a second line arrangement (5), which extends from the connection (4) of the powder jet device and is designed for introducing a second fluid, which is of the same kind and is provided to the powder jet device, into the first line arrangement (3) at a point (6) downstream of the container (1) for the abrasive powder.
The invention relates to a method for establishing a wireless data communication link between a dental unit (10), which has at least one operating element (11) and is designed for controlling dental devices (102), and an additional device (20), which is provided for carrying out or supporting dental treatments and/or examinations. The method comprises the following steps: (a) Transmitting information required for establishing the data communication link, by means of a wireless near-field communication that is separate from the data communication link, and (b) establishing the wireless data communication link using the information transmitted by the near field communication.
H04W 4/80 - Services using short range communication, e.g. near-field communication [NFC], radio-frequency identification [RFID] or low energy communication
The invention relates to a dentistry handpiece comprising an elongate gripping sleeve (10) and a piezoelectric drive unit (50) mounted in the gripping sleeve for generating vibrations to be transferred to a dentistry tool. An interior (80) encapsulated in a fluid-tight manner is formed between the piezoelectric drive unit (50) and a housing (51). By means of the interior (80), a region can be formed, which, in particular when the handpiece is being treated with hot water vapour, is protected from the latter. Furthermore, at least one electrical conductor (30) is guided from a rear end of the drive unit (50) to a front end of the drive unit (50), the electrical conductor (30) being guided between the outside of the housing (51) and the inside of the gripping sleeve (10).
The invention relates to a dental treatment and/or examination arrangement which comprises a supply unit (3) for providing supply media for an instrument (2) for the purpose of dental treatment and/or examination, the supply media being at least air and a liquid. The treatment and/or examination arrangement also comprises media feed lines (4, 5) for conducting the air and the liquid from the supply unit (3) to the instrument (2), and means (6) for introducing a disinfecting gas into the media feed line (4) for the liquid. The means (6) for introducing a disinfecting gas into the media feed line (4) for the liquid allow the media feed line (4) to be flushed with the disinfecting gas, thereby disinfecting them in a particularly suitable manner.
A rinsing glass-filling arrangement for filling a rinsing glass (2) provided at a dental treatment station comprises means (3) for supplying a liquid to the rinsing glass (2) as well as means (4) for measuring the fill level of the rinsing glass (2), the means (4) for measuring the fill level of the rinsing glass (2) being designed to measure the fill level using sound.
A61G 15/14 - Dental work standsAccessories therefor
G01F 23/22 - Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water
The invention relates to a cannula (1) for use with a medical, particularly a dental, treatment instrument, which is designed to dispense an abrasive flow medium. A cannula body (3) comprises at least one outlet opening (4) for the abrasive flow medium. The cannula body (3) further comprises a nozzle section (500) having a conical mixing chamber (501) for the flow medium. The shape of the jet of dispensed flow medium can be advantageously focussed by the nozzle section (500). The risk of an undesirable contamination of the treatment environment can be reduced in this way.
The invention relates to a dental treatment instrument for operating a rotational tool. The treatment instrument has a head drive, which is provided for coupling to a shaft of the rotational tool and comprises a sleeve-like guide bushing (1), and a collet (9) for fixing the rotational tool. The guide bushing (1) has surface sections (3) which form parts of a cylindrical shape in at least one first axial region. Recesses (4) are provided which face radially outwards from the surface sections (3) and which impart a shape deviating from a rotationally symmetrical shape to the inner contour of the guide bushing (1). By virtue of the surface sections (3), a circular cylindrical shaft of a rotational tool can be guided or supported in a particularly suitable manner. The recesses (4) are additionally suitable for engaging radial protrusions of a non-circular cylindrical shaft of a rotational tool such that the non-circular cylindrical shaft can be driven in a particularly suitable manner. The treatment instrument according to the invention thus offers the possibility of receiving tool shafts with a correspondingly modified shaft geometry in order to meet particularly high corresponding requirements and counteract the aforementioned disadvantages and weaknesses of a shaft according to DIN EN ISO 1797 and the possibility of additionally using the tools according to DIN EN ISO 1797 for standard applications.
A modular dental system, methods for controlling a modular dental tool, a dental system, a control module, and a treatment unit. In one embodiment, the modular dental system includes a modular dental system including a control module and a battery module. The control module includes a first end, a second end, a control sub-system, and a charging sub-system. The control sub-system is configured to communicatively couple to an attachment, detect an attachment identifier associated with the attachment when the attachment is removably attached to the first end of the control module, and control the attachment based on the attachment identifier. The battery module is configured to removably attach to the second end of the control module.
A modular dental system, methods for controlling a modular dental tool, a dental system, a control module, and a treatment unit. In one embodiment, the modular dental system includes a modular dental system including a control module and a battery module. The control module includes a first end, a second end, a control sub-system, and a charging sub-system. The control sub-system is configured to communicatively couple to an attachment, detect an attachment identifier associated with the attachment when the attachment is removably attached to the first end of the control module, and control the attachment based on the attachment identifier. The battery module is configured to removably attach to the second end of the control module.
A61C 13/15 - Curing devices for plastics prostheses for curing by the action of light
16.
DENTAL TREATMENT AND/OR EXAMINATION ASSEMBLY, DENTAL COUPLING UNIT, AND METHOD FOR FLUSHING THE LIQUID-CONDUCTING SYSTEM OF A DENTAL TREATMENT AND/OR EXAMINATION ASSEMBLY
The invention relates to a dental coupling unit (1), which can be detachably coupled to an instrument attachment (2) for dental treatment and/or examination at the front end (11) of the coupling unit and also can be connected to a supply unit (3) for providing supply media for the instrument attachment (2), wherein a media supply line (4) extends through the coupling unit (1) toward the instrument attachment (2) and wherein additionally a media return line (5) extends through the coupling unit (1), which media return line is connected to an end region of the media supply line (4) extending through the coupling unit (1), which end region faces the instrument attachment (2). The coupling unit (1) has a valve assembly (6), which conducts the liquid from the coupling unit (1) to the instrument attachment (2) when the instrument attachment (2) is attached and conducts the liquid to the media return line (5) and blocks the escape of the liquid at the front end (11) of the coupling unit (1) when the instrument attachment is not attached.
Devices and methods for dispensing material from a dental handpiece. In one example, the method includes receiving an input that indicates that an amount of the material is to be dispensed from the container of the dental handpiece. The method also includes rotating an electric motor to rotate an imbalanced mass to vibrate a vibration transmission element that vibrates the material in the container. The method also includes dispensing the amount of the material from the container with a piston based on the input.
The invention concerns a hand apparatus (1), in particular for dental purposes, for dispensing a pasty filler mass (M) the viscosity of which can be reduced by supplying vibration energy, having an apparatus housing (5), having a container (4) for the pasty filler mass (M), having an exit nozzle (11) standing in connection with the container (4), having a vibration generator (3), and having pressure production means (18) for exercising pressure on the pasty filler mass (M). In order to improve the transfer of vibrations in the region of the hand apparatus the vibration generator (3) and the container (4) are mounted movably with respect to the apparatus housing (5) and are directly vibration-coupled with each other.
The invention concerns a hand apparatus (1), in particular for dental purposes, for dispensing a pasty filler mass (M) the viscosity of which can be reduced by supplying vibration energy, having an apparatus housing (5), having a container (4) for the pasty filler mass (M), having an exit nozzle (11) standing in connection with the container (4), having a vibration generator (3), and having pressure production means (18) for exercising pressure on the pasty filler mass (M). In order to improve the transfer of vibrations in the region of the of the hand apparatus the vibration generator (3) and the container (4) are mounted movably with respect to the apparatus housing (5) and are directly vibration-coupled with each other.
B05C 17/005 - Hand tools or apparatus using hand-held tools, for applying liquids or other fluent materials to, for spreading applied liquids or other fluent materials on, or for partially removing applied liquids or other fluent materials from, surfaces for discharging material through an outlet orifice by pressure
A61C 1/07 - Dental machines for boring or cutting characterised by the drive of the dental tools with vibratory drive, e.g. ultrasonic
A conditioning device (1) for disinfecting, sterilizing and/or maintaining medical, especially dental, instruments (4) comprises a distributor unit (30) for supplying cleaning or maintenance media to the instruments (4), said distributor unit (30) having respective inlets for every medium, said inlet being connected to a support (5) for an instrument (5) via a valve (20). Every valve (20) comprises a sealing element (25) which can be brought into a valve-opening position by means of the actuating element (26) of the distributor unit (30) which can be selectively positioned.
A system (20) for opening a valve (51) present on a can (50) that is under pressure comprises a plunger (21) used as an actuating element for actuating the valve stem and means for displacing the plunger (21) in the direction of the valve stem, the means for displacing the plunger (21) comprising a power conversion element.
A receptacle (10) for medical, especially dental instruments (4) is designed for use in a conditioning device (1) which has a chamber (3) for receiving the receptacle (10) and means for disinfecting, sterilizing and/or maintaining the instruments (4). The receptacle (10) can be transferred from a transport state, in which the receptacle (10) is closed, to a maintenance state, in which the receptacle (10) is open, in such a manner that instruments (4) arranged therein can be accessed. The receptacle can be coupled to the conditioning device (1) such that the latter is capable of transferring the receptacle (10) inserted into the chamber optionally from the transport state to the maintenance state and vice versa.
A storage container (20) for storing media for disinfecting, sterilizing and/or treating medical instruments (4), in particular dental instruments (4), is designed as a canister in which a first receiving area (21) is formed which is connected to a first removal element (22) and contains a first medium, wherein the first receiving area (21) is in contact, at least around part of its circumference, with a second receiving area (23), which contains a second medium (24) and is connected to an attachment element (25) for removing the second medium (24) and for delivering a propellant into the second receiving area (23).
A device (1) for disinfecting, sterilizing and/or maintaining medical, especially dental, instruments (100) comprises a maintenance and cleaning chamber for accommodating instruments to be conditioned and means for supplying different cleaning or maintenance media for cleaning, disinfecting or sterilizing and/or maintaining the instruments in subsequent steps. The start times of the conditioning cycles for the different instruments are staggered.
The invention relates to a container (2) for use with a hand-held device (6), in particular for dental purposes, for dispensing a pasty filling compound, the viscosity of which can be reduced by supplying vibration energy, wherein the container (2) is designed to receive the pasty filling compound and comprises a discharge opening (8) at the front end for dispensing the filling compound. The discharge opening (8) is formed by a cannula (4), which is made of steel, for example. The viscosity of the filling compound can be positively influenced by the cannula (4). In this way, in particular a significant increase in the liquefaction degree of the filling compound can be achieved.
The invention relates to a method and a corresponding system for operating a dental handpiece, wherein the handpiece comprises a motor for driving a tool. The method comprises the following steps: (a) sequential capturing of values of a physical parameter, which - at least approximately - represent the power or energy fed to the motor (lower diagram), (b) forming an integration value by integrating the values captured in (a) (upper diagram), and (c) automatically reducing a power or energy fed to the motor if the integration value formed in (b) exceeds an upper threshold value (point in time C). The integration value formed in step (b) represents a measure of the power integrated over time and can thus be used at least approximately as a measure of the temperature of the instrument. The automatic reduction in the power or energy fed to the motor performed in step (c) can therefore effectively act against a further increase in temperature or allow cooling if the temperature of the instrument exceeds an upper threshold value. In this manner, the risk of damage due to excessive temperature of the instrument can be effectively reduced.
In a motor-driven handpiece (1), which has a grip sleeve (2) with a head area (5) for mounting a tool, in particular for the preparation of tooth substance and/or bone substance, the head area (5) is at least partially surrounded or encapsulated by a thermoplastic material which, compared to the material of the rest of the grip sleeve (2), has a lower thermal conduction value.
The invention relates to an electric motor arrangement for a medical, especially dental, tool handle, which is extremely compact and resistant to sterilising temperatures due to a plurality of advantageous embodiments. The electric motor arrangement is characterised by the following properties: the use of a light source based on SMD-LED or LED as a semiconductor chip; the shortening of the INTRAmatic coupling to between 20 and 25 mm; a hermetically extruded stator (2) comprising integrated media tubes (4) and moulded connection sockets (61); the stator winding is embodied as a coil segment winding instead of an H winding or triangle; and the winding head has openings for media tubes (4).
The invention relates to an assembly for removing a medium from a pressurised container (50), said assembly having a cut-off valve (74) that is located on an outlet line (73) for the container (50) and a sensor (71) for detecting the pressure prevailing in the container (50). The assembly is also provided with a control unit (72) that controls the cut-off valve (74) on the basis of the pressure determined by the sensor (71) in order to remove the desired quantity of medium.
B65D 83/14 - Containers for dispensing liquid or semi-liquid contents by internal gaseous pressure, i.e. aerosol containers comprising propellant
G01F 11/00 - Apparatus requiring external operation adapted at each repeated and identical operation to measure and separate a predetermined volume of fluid or fluent solid material from a supply or container, without regard to weight, and to deliver it
The invention relates to a medical, in particular dental diagnostic device having means for image capture and a hand piece (1) that has a window (5) located in the optical path of the means for image capture, wherein there are means for heating the window (5). Said means are formed by a resistance heater.
A61B 1/253 - Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopesIlluminating arrangements therefor for the mouth, i.e. stomatoscopes, e.g. with tongue depressorsInstruments for opening or keeping open the mouth with means for viewing areas outside the direct line of sight, e.g. dentists' mirrors with means for preventing fogging
31.
DEVICE FOR DISINFECTING, STERILIZING AND/OR MAINTAINING MEDICAL, IN PARTICULAR DENTAL INSTRUMENTS
A device (1) for disinfecting, sterilizing and/or maintaining medical, in particular dental instruments (4) comprises connecting units (60) for connecting supply containers (50) for media used by the device (1), in particular cleaning or care products, wherein the connecting units (60) comprise control and/or identification means (61, 66), which enable an identification of the supply container (50).
The invention relates to a device (1) for the disinfection, sterilisation and/or maintenance of medical, in particular dental instruments (4). Said device has a washing chamber (3), a lid (6) for sealing the washing chamber and a locking mechanism (30) for locking the lid (6) to the washing chamber (3) during operation. The device is characterised in that the locking mechanism (30) has one or more clips (32) which are pivotally mounted about an axis (I) lying substantially perpendicular to the plane of the lid (6), in order to lock the lid (6) to the container (3). The clip lock comprises two clips (32) which have a common pivoting axis (I).
A manual device (1), in particular for dental use, for dispensing a pasty filler (50), the viscosity of which may be reduced by the introduction of vibrational energy, comprises a device housing (2), a detachable container (30) for the pasty filler (50), comprising an outlet nozzle (35) at the front end thereof, a vibration generator (5) with an oscillating body (10) and pressure generating means (15) for exerting pressure on the pasty filler (50). The vibration body (10) is detachably connected to the container (30) in a middle region thereof.
A61C 1/07 - Dental machines for boring or cutting characterised by the drive of the dental tools with vibratory drive, e.g. ultrasonic
B05C 17/01 - Hand tools or apparatus using hand-held tools, for applying liquids or other fluent materials to, for spreading applied liquids or other fluent materials on, or for partially removing applied liquids or other fluent materials from, surfaces for discharging material through an outlet orifice by pressure with mechanically or electrically actuated piston or the like
34.
DENTAL ROTARY TOOL AND DENTAL TREATMENT INSTRUMENT
The invention relates to a dental rotary tool, in particular an implant drill, comprising a shaft (10) provided for coupling with the head drive (4) of a dental treatment instrument, wherein the shaft (10) comprises a driving section (8), which is arranged in such a way that the torque is transmitted approximately at the center of the head drive (4) or of the shaft (10). In said design, relatively large torques can be transmitted especially well from the head drive (4) to the rotary tool (10). For example, torques of at least 80 Ncm can be transmitted in this way without problems.
Device (1) and method for disinfecting, sterilizing and/or looking after medical, in particular dental, instruments (2), comprising a rinsing chamber (3; 21) in which there are holders for receiving the instruments (2), wherein at least parts of the walls of the rinsing chamber (3; 21) or elements located in the rinsing chamber can be cooled.
The invention relates to a light source (1) for use in a device, for example in a dental device, comprising a semiconductor element (3) disposed in a housing (2), wherein the semiconductor element (3) comprises a light-emitting surface (6). The light source (1) further comprises a socket (5) that extents from a side of the semiconductor element (3) opposite the light-emitting surface (6), the socket being provided for being placed in a frame located in the device, wherein the socket (5) comprises contact elements (8) and lines (7) for power supply to the semiconductor element (3). The light source (1) is particularly robust and long-lasting.
A61C 1/08 - Machine parts specially adapted for dentistry
A61B 1/06 - Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopesIlluminating arrangements therefor with illuminating arrangements
A61B 1/24 - Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopesIlluminating arrangements therefor for the mouth, i.e. stomatoscopes, e.g. with tongue depressorsInstruments for opening or keeping open the mouth
F21K 99/00 - Subject matter not provided for in other groups of this subclass
In a device (10) for operating or controlling an electrically operated medical instrument (30), in particular a dental treatment instrument, wherein the medical instrument is to be connected to the device (10), the device (10) has an attachment (13) for a compressed-air line (6), and a control unit (20) which is designed to convert the pressure of the incoming compressed air into a control signal for the medical instrument (30) according to a characteristic curve (40). During operation, the control unit (20) continuously determines the maximum pressure of the compressed air and, on the basis of this maximum pressure, defines a reference point (42) of the characteristic curve (40).
The invention relates to an intra-oral camera (1) having an imaging system for depicting the object located in front of an observation window (6) of the camera (1) on a recording unit (10), wherein the imaging system has at least one focusing unit (16) for setting a suitable focus and an aperture unit (15) for forming a variable aperture. The setting of the aperture is carried out independently of the focus adjusted by the focusing unit (16).
G02B 23/24 - Instruments for viewing the inside of hollow bodies, e.g. fibrescopes
A61B 1/00 - Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopesIlluminating arrangements therefor
A61B 1/04 - Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopesIlluminating arrangements therefor combined with photographic or television appliances
40.
ROTOR FOR ELECTRIC MOTOR, ELECTRIC MOTOR AND DENTISTRY HANDPIECE
The invention relates to a rotor for an electric motor, to a corresponding electric motor, and to a dentistry handpiece in which a rotor such as this is arranged. The rotor has a shaft (20) with a rotation axis (80), and at least one magnet (40) which is arranged around the rotation axis (80). Furthermore, a centring element (60'') is provided and is firmly connected to the shaft (20) or is formed as part of the shaft (20), wherein the centring element (60'') presses, for centring purposes, from the outside on the magnet (40), with respect to the rotation axis (80) of the shaft (20). By way of example, the centring element (60'') may be pushed or shrunk onto two inertia rings (100, 100'). The inertia rings (100, 100') can be pushed or shrunk on the shaft (20). This allows the magnet (40) to be centred exactly with respect to the rotation axis (80) of the shaft (20). Furthermore, the pressure which the centring element (60'') exerts from the outside on the magnet (40) counteracts centrifugal forces which occur during rotation. In particular, this allows higher rotation speeds to be achieved without the surface of the magnet (40) exceeding a critical tensile stress.
An electric motor (10) for use in a dentist's, dental surgeon's or dental technician's hand piece (1), comprising a rotor (11) rotationally supported by means of a bearing arrangement and a stator (12) surrounding the rotor (11). The bearing arrangement comprises a first bearing (11b) located on an end region of the rotor (11) and on the opposite end region of the rotor (11) a second bearing (11a), designed as a floating bearing and pretensioned by a spring arrangement in the direction of the first bearing (11b). According to the invention, the spring force of the spring arrangement within a working region is substantially independent of the position of the floating bearing (11a).
H02K 5/173 - Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields using bearings with rolling contact, e.g. ball bearings
F16C 25/08 - Ball or roller bearings self-adjusting
A61C 1/06 - Dental machines for boring or cutting characterised by the drive of the dental tools with electric drive
42.
HAND-HELD DENTAL INSTRUMENT FOR GENERATING TEST RESULTS
Disclosed is a dental diagnostic system comprising a hand-held instrument (1) that is equipped with means for detecting measured values (3) and a transmission unit which is integrated into the housing and is used for wireless transmission of said measured values by means of infrared signals, and an external display and/or evaluation unit (2). The transmission unit of the hand-held instrument (1) is designed in such a way that the infrared signals are emitted in at least two different directions.
Disclosed is a hand-held device (1), particularly for dental purposes, comprising means for dispensing a pasty filling material (M) as well as additional means for emitting a radiation which causes the filling material (M) to cure.
The invention relates to a device (1) for further processing a fluid material, particularly a care device for medical or dental tool holders, the material being stored in a tank (50) under pressure, the device (1) having a coupling fixture (10) having an adapter (11) forming a screw connection to the tank (50) under pressure, the adapter (11) of the coupling fixture (10) being pivotally supported.
The invention relates to a method and a device for determining the motor torque constant KM of an electric motor by measuring motor parameters on the running motor. In order to reduce the previously extensive measurement effort, it is proposed that the generator voltage UEMK generated by the motor is measured first, and that the motor torque constant kM is calculated by dividing the generator voltage UEMK and the rotational speed fMot of the motor, allowing for at least one further constant. The method and the device are suitable for DC motors and for 3-phase synchronous motors.
H02P 21/14 - Estimation or adaptation of machine parameters, e.g. flux, current or voltage
H02P 23/14 - Estimation or adaptation of motor parameters, e.g. rotor time constant, flux, speed, current or voltage
H02P 7/00 - Arrangements for regulating or controlling the speed or torque of electric DC motors
G01L 3/24 - Devices for determining the value of power, e.g. by measuring and simultaneously multiplying the values of torque and revolutions per unit of time, by multiplying the values of tractive or propulsive force and velocity
46.
VIBRATION INSTRUMENT FOR PLACING A CONNECTING ELEMENT
The invention relates to a vibration instrument for placing a connecting element in a porous basic material. At least part of the connecting element is made of a material that can at least partly be brought into a liquid state by supplying mechanical energy. The vibration instrument comprises means for generating mechanical energy, e.g. in the form of ultrasound, which can be transmitted to the connecting element such that the connecting element is at least partly brought into a liquid state by means of said energy. In the liquid state, part of the connecting element can penetrate into the porous basic material such that a stable connection is created. According to the invention, the vibration instrument is designed to discharge power discharged in the form of mechanical energy in a continuously modifiable manner. For example, the time curve of the discharged power (20) can gently rise at the beginning of a connecting process, which can be achieved especially by means of a continuously modifiable amplitude (22) of the discharged vibrational energy.
Disclosed in an electric motor (10) for use in a dentists, dental surgeons or dental technicians handpiece, comprising a rotationally mounted rotor (11) and a stator (12) that surrounds the rotor (11). Said stator (12) is surrounded by a covering (40) comprising an inner sleeve (41), the outer side thereof comprising functional components of the stator (12), for example, stator winding(s), feedback sheets and/or contact pins (33), and an outer sleeve (42) embedding the inner sleeve (41) with functional components.
H02K 5/128 - Casings or enclosures characterised by the shape, form or construction thereof specially adapted for operating in liquid or gas using air-gap sleeves or air-gap discs
48.
DENTAL LASER TREATMENT INSTRUMENT COMPRISING AN OPTICAL EXTRACTION ELEMENT
The invention relates to a dental laser treatment instrument comprising a handpiece (1) which is connected to a supply tube for supplying laser radiation and a treatment fluid, and has a long extraction element (30) on the front end (4) thereof, for emitting the laser radiation. The extraction element (30) has a long optical fibre (31) and a cylindrical or sleeve-type holding element (32, 33) which surrounds the optical fibre (31) in a region facing the front end (31b) of the fibre (31), at a distance from said fibre, in order to form a fluid channel (22),. The fluid channel (22) is connected to a supply line (8, 9) extending through the handpiece (1). According to the invention, the sleeve-type holding element (32, 33) projects past the front optical output end (31b) of the optical fibre (31).
The invention relates to an arrangement for controlling medicinal devices, in particular of a dental work station (1), comprising an operating device (10) for generating control and/or adjusting signals for the medicinal device, an emitting device associated with the operating device (10) for the wireless transmission of control and adjusting signals and a capturing device (18) associated with the medicinal device for capturing the control and/or adjusting signals and for retransmitting said signals to the medicinal device. Said operating device (10) comprises an input element (15) that is to be actuated by the foot and which is pivotably mounted. Means (20) are provided, said means automatically guide the pivotable input element (15) back into the initial position after pivoting from said initial position.
The invention relates to a dental face-bow comprising a base part (2), two side arms (3) that extend from the base part (2) and two positioning elements, for example ear pieces (4) for positioning the face-bow on the head of the patient. The positioning elements (4) are situated on the side arms (3) and can be displaced in relation to the side arms (3). The face-bow is also provided with a displacement device which is used to simultaneously displace the two positioning elements (4) in relation to the side arms (3). To drive the positioning elements (4), a dial, which is situated on the base part (2), can be used for example to turn a flexible shaft that is rotatably mounted inside the two side arms (3). The two ends of the shaft are equipped with gears that co-operate with gear rods (8) on the positioning elements (4). This arrangement permits the face-bow to be placed on a patient extremely gently, as there is in particular no relative displacement of the side arms (3). The face-bow is also provided with a nose support (9), which can not only be displaced in the longitudinal direction in relation to the base part (2), but can also be pivoted about a horizontal axis that runs laterally. The face-bow can thus be aligned in a particularly accurate manner with the infra-orbital point in accordance with the shape and size of each patient's head.
A hand apparatus, in particular for dental purposes, for dispensing a pasty filler mass the viscosity of which can be reduced by supplying vibration energy, comprising an apparatus housing, a container for the pasty filler mass, an exit nozzle connected with the container, a vibration generator, and pressure production means for applying pressure on the pasty filler mass. In order to improve the transfer of vibrations in the region of the hand apparatus the vibration generator and the container are mounted movably with respect to the apparatus housing and are directly vibration-coupled with each other.
A61C 1/07 - Dental machines for boring or cutting characterised by the drive of the dental tools with vibratory drive, e.g. ultrasonic
B05C 17/005 - Hand tools or apparatus using hand-held tools, for applying liquids or other fluent materials to, for spreading applied liquids or other fluent materials on, or for partially removing applied liquids or other fluent materials from, surfaces for discharging material through an outlet orifice by pressure
Disclosed is a dental laser treatment device (1) comprising a first light source for producing therapeutic radiation (40), a second light source for producing pilot radiation (41) in the visible range, transmission means (7, 8) for directing the therapeutic radiation (40) and the pilot radiation (41) to an area that is to be treated, and activation means (9) for selectively activating the transmission of the therapeutic radiation (40). According to the invention, when the therapeutic radiation (40) is emitted, the pilot radiation (41) is automatically switched off or suppressed.
The invention relates to a dental laser treatment instrument comprising a hand piece (1) that is to be connected to a supply tube for supplying laser radiation and a treatment fluid, and an elongate decoupling element (30) for releasing the laser radiation is arranged on the front end (4) thereof. Said decoupling element (30) comprises an elongate optical fibre (31) and a cylindrical or sleeve-shaped holder (32, 33) which surrounds the optical fibre (31) at a distance, at least in one area that faces the front end (31b) of the fibre (31), in order to form a fluid channel (22). Said fluid channel (22) is in contact with a supply line (8, 9) that extends through the hand piece (1). The connection between the fluid channel (22) and the supply line (8, 9) is established by means of a single through opening (34) formed in the wall of the cylindrical or sleeve-shaped holder (32, 33).
The invention relates to a medical handle piece (1), in which a fibre optic (11) and at least two medium lines (3, 4) extend frontwards and exit in a front region of the handle piece (1) in two separate outlet openings (3a, 4a). According to the invention, a simple and compact construction may be achieved, wherein the media lines (3, 4) are aligned such that the exiting media meet at a separation (e) in front of the outlet openings (3a, 4a) to generate a spray.
In a dental treatment instrument (1) with an elongate grip sleeve (3), a drive unit (6) arranged in the grip sleeve (3), and a coupling device (20) which is located at the front end of the grip sleeve (3) and with which a movement generated by the drive unit (6) is transferred to a treatment tool (5) to be connected releasably to the treatment instrument (1), the coupling device (20) is designed like a sleeve and has a first section (21) for receiving a tapering peg-like coupling area (31) of the tool shaft (30), and a second section (22) which also interacts with the tool shaft (30) to provide a securing means acting in the axial direction, wherein the length (d) of the first section (21) of the coupling device (20) is at least as great as the length of the second section (22).
For an apparatus (20) for displaying and managing system parameters and data from a dental treatment station (1) having connecting means (22) for connecting the apparatus (20) to a display (30) for displaying the system parameters or data and having communication means (21) for data interchange with the dental treatment station (1), provision is made for the communication means (21) to check data relating to the current operating state of the treatment station (1) at regular intervals.
A laser handpiece, which has an outer guide sleeve (1) in which a light guide (7) is contained, is provided with a releasable clamping device. By the rotation of a rotary ring (4) on the guide sleeve (1), the clamping device can be released and an advancing of the light guide, either manually or automatically, can be guaranteed.
The invention relates to an input device for operating devices of a dental workplace. The input device comprises a keyboard unit (1) having a flat control panel (2), whereon or wherein control regions (3, 3') are defined. The input device further comprises a sensor unit (4) with a radiation and/or ultrasound source (6) for emitting radiation or ultrasound in a plane (E) parallel to the surface of the control panel (2), and a sensor (7) which can be used to receive radiation or ultrasound, which originates from the radiation and/or ultrasound source and has been reflected from a control element, for example a finger (5). The keyboard unit (1) is particularly easy to clean, particularly sterilize. The keyboard unit (1) can be easily and quickly connected in a fixed and stationary manner to the sensor unit (4) via a connecting device (8). According to one embodiment, the keyboard unit (1) is translucent, and the controls regions (3, 3') are integrally formed in the control panel. A cold light source (9) is provided in or on the sensor unit (4), allowing for the control regions to be illuminated.
The invention relates to a treatment device, particularly a dental treatment instrument (1). The treatment device comprises a drive unit, such as a turbine (4), for driving a tool, such as a dental drill (2). A spray supply line (3) serves the supply of a cooling medium to a treatment site to be treated by the tool. According to the invention, monitoring means are further provided, such as in the form of a valve arrangement (8), by means of which it can be determined whether the tool is in contact with the treatment site. In the case of the valve arrangement (8), pressure in a line (7), in which the return air from the turbine (4) is guided, may serve for this purpose. The monitoring means can activate the means for supplying the cooling medium such that the release of the cooling medium is carried out automatically when a contact is determined between the tool and the treatment site to be treated. For this purpose, the valve arrangement (8) further has a displaceable plunger (5), which can press onto the spray supply line (3) such that, depending on the pressure, more or less cooling medium flows through the spray supply line (3). By means of the invention, the consumption of cooling medium and the expense of energy can be reduced, and the treatment conditions can be improved.
The invention relates to a device (1) for holding at least one medical or dental instrument (7) that is fixed to the end of a supply line (9), comprising at least one pivotable lever (3) that is mounted to pivot on a support in a pivoting joint (6) between a rear stand-by position and a front working position on an essentially vertical pivoting plane, extending in an upward manner from the pivoting joint (6) at least in its standby position and curving outwards in its upper region. Said pivoting lever (3) comprises, at least in the region of the curvature (13), one or two limb walls (3e) that extend essentially parallel to the pivotable plane and a line guide (25) for the supply line (9) extending in the longitudinal direction of the curvature (13) in the region of the limb walls. In order to improve said device in relation to a low-friction line guide, said line guide (25) comprises at least one guide roll (27) for the supply line (9).
The invention relates to a dental device for automatically filling a mouthwash vessel (2), comprising a supply device (7), a holding fixture (3) for the mouthwash vessel (2), said fixture being rotationally mounted about an essentially horizontal axis (4), and a sensor element (12) for detecting a rotating position of the holding fixture (3) or a rotational movement in relation to the axis (4). When a predefined value of the rotating position or the rotating torque is attained, the flow stops flowing through the supply device. At least two different positions (A, B) for said mouthwash vessel (5) can be adjusted and/or marked on the holding fixture (3), said two positions (A, B) being different in their distances to the axis (4).
The present invention relates to a coupling for producing a detachable connection between a medical, in particular dental, handpiece part and a supply tube and for transmitting current and, if appropriate, other supply media from the supply tube to the handpiece part. The coupling comprises two coupling elements (3, 4), wherein one of the two coupling elements (3) can be arranged on the supply tube and the other (4) can be arranged on the handpiece part. Arranged on one of the two coupling elements (3), there is a guide element (5) that can be inserted into an insert opening (6) formed on the other coupling element (4). In a defined relative position of rotation of the two coupling elements (3, 4), a slide element (7) with current contacts engages in a corresponding recess of the second coupling element (4), wherein the two coupling elements (3, 4) can be rotated relative to each other about a rotation axis (D) when the guide element (5) has been inserted or at least partially inserted and before the predefined coupling position is reached. A reliable quick-coupling is thus formed that permits particularly easy handling.
The invention relates to a dental treatment chair (10) having a column-type base (2), a seat (11) that is arranged to the side of the base (2) and that can be height-adjusted in relation to said base between a base position and a highest position, a drive (20) that is used for adjusting the height of the seat (11) and that is situated in the base and a transmission mechanism that couples the seat (11) to the drive (20), said mechanism comprising a vertically displaceable support arm (30, 40) on which the seat (11) is fixed to the end facing away from said drive (20). The support arm (30, 40) is tilted such that the points at which the support arm (30, 40) engages with the drive (20) and the seat (11) have a different vertical position.
The invention relates to a medical, in particular dental treatment device comprising a specialists element (3) or similar, that can be adjusted in a position in relation to the base of the device by means of a retaining arm. For adjusting, a handle (6) or similar is provided on the said specialists element (3). Said treatment device also comprises a brake that acts upon the retaining arm enabling the specialists element to be stabilised by the brake once in the adjusted position. According to prior art, the brake is initially released in a separate operating step in order to adjust the position. According to the invention, a touch sensor (9) is integrated into the handle (6), said sensor being touch activated, automatically causing the brake to be released so that the specialists element (3) is immediately adjusted without further ado. Said touch sensor (9) can be provided with two sensor surfaces (22, 23) by a capacitive sensor, said surfaces being protected by a plastic handle covering (20).
Disclosed is a handpiece (1) for dentists, dental surgeons, or dental technicians, comprising an elongate handle sleeve (2). Coupling elements (4) for connecting the handpiece (1) to a supply tube (31) that is to be joined to a dental supply unit are placed at the distal end of the handle sleeve (2) while a top zone (30) with a tool receptacle (5) for mounting a rotatable tool is arranged at the proximal end of the handle sleeve (2). The handpiece (1) further comprises an electric motor (10) for driving a tool that is retained by the tool receptacle (5). Said electric motor (10) is fully integrated into the handle sleeve (2) such that the handle sleeve (2) and the motor (10) form a unit.
The invention relates to a method and a device for determining the centric position of human teeth with improved accuracy. This is required to adjust an articulator during the production of dental prostheses. According to said method, several sequential occlusal actions or displacement actions of the lower jaw are recorded in the form of electronic signals and the latter are evaluated to determine the centric position.
The invention relates to a manual device (1), in particular, for dental purposes, for the dispensing of a paste-like filling mass (M), the viscosity of which may be reduced by the introduction of vibrational energy, comprising a device housing (5), with a container (4) for the paste-like filling mass (M), an outlet nozzle (11) connected to the container (4), a vibration generator (3) and pressure generation means (18) for exerting pressure on the past-like filling mass (M). In order to improve the transmission of vibration in the region of the manual device, the vibration generator (3) and the container (4) are mounted to be displaceable relative to the device housing (5) and vibrationally directly coupled to each other.
In a handpiece (100, 101) which is provided in particular for medical or dental purposes, and which has a drive mechanism for a tool (12, 105) to be held by the handpiece (100, 101), moved or movable parts of the handpiece (100, 101) are provided at least partially with a coating that contains chromium nitride and/or titanium nitride + gold.
The invention concerns a medical or dentistry instrument-holder (1) provided with an instrument (2), wherein an instrument driving mechanism (4) includes at least one rotary element (20) rotatably mounted by means of a bearing assembly (30, 130). The bearing assembly (30, 130) comprises at least one ball bearing including several balls (31, 131) arranged between an inner raceway (31a, 131a) and an outer raceway (31b, 131b) and is characterized in that the inner raceway (31a, 131a) of the ball bearing is formed by the front side of a first bearing element (32, 132) driven in rotation with the rotary element (20), and in that the outer raceway (31b, 131b) is formed by the front side of a second bearing element (33, 133) stationary relative to the rotary element (20).
The invention relates to a medical tool (5) for cutting a hard material wall (7) comprising a rod (5i) provided with a working area (5c) on at least one part of the length thereof which carries out an abrasive action by vibration or rotation. The aim of said invention is to produce an easy to handle continuous incision of said hard material wall and, for this purpose, a flat guiding sliding element (5d) is provided on the front end of the rod (5i) in such a way that it is laterally and distantly placed from the rod under said hard material wall and the top side (5e) thereof is flat-shaped.
