The invention relates to a device (10) for the three-dimensional capturing of a surface structure (11; 11'; 11'') in particular for capturing teeth (13) having a chromatic confocal optical system (40, 42, 44), which comprises an optical axis (41), and having a light source (16), which has a grid of individual light sources (34) laterally spaced apart from the optical axis. The optical system displays the individual light sources (34) on the surface structure (11; 11'; 11'') such that a grid of measuring points (49) is generated there, which are laterally spaced apart from one another. An image-capturing unit (50) is arranged optically equivalent to the individual light sources (34) in order the capture the grid of measuring points (49). Furthermore, a control and evaluation device (70) is configured to control the light source (16) such that the individual light sources (34) emit light of a different spectral composition in chronological order, and, by means of the image-capturing unit (50), to capture the grid of measuring points (49) in correlation with the chronological order of the light emitted by the individual light sources (34).
A61B 5/00 - Measuring for diagnostic purposes ; Identification of persons
G01B 11/24 - Measuring arrangements characterised by the use of optical techniques for measuring contours or curvatures
G01B 11/25 - Measuring arrangements characterised by the use of optical techniques for measuring contours or curvatures by projecting a pattern, e.g. moiré fringes, on the object
The invention relates to a device for reading out an exposed imaging plate, comprising a light source, by means of which read-out light can be produced, a deflecting unit, by means of which the read-out light can be sequentially directed at the imaging plate with a read-out spot in order to read out the imaging plate (12), whereby a traveling read-out spot can be produced there, a detector unit for fluorescent light, which is emitted by the imaging plate during the reading out by means of the read-out light, and a control device, which is designed to control the light source, the deflecting unit, and the detector unit. According to the invention, the control device is designed to perform a preliminary read-out of the imaging plate in order to determine read-out parameters and to subsequently read out the imaging plates while using the determined read-out parameters. The invention further relates to a method for reading out an imaging plate, comprising the steps of reading out part of the information on the imaging plate surface, determining read-out parameters on the basis of the read-out part of the information, and reading out the remaining part of the information of the imaging plate surface while using the read-out parameters.
The invention relates to a water preparation device (20) for a dental treatment unit (10), comprising a clean water outlet (100). The aim of the invention is to allow a sufficient decontamination of the water substantially without the use of chemicals. This is achieved in that the water preparation device (10) comprises a free precipitation section (50) for the water over a water supply (49), said precipitation section preventing a recontamination in an upstream supply system. The water preparation device (10) further comprises at least one pressure pump (64) which is connected to the water supply (49) and which supplies the water out of the water supply (49) under pressure to an ultra filtration filter (94) arranged downstream of the pressure pump (64) and upstream of the clean water outlet (100).
The invention relates to a scanning laser device for scanning an imaging plate, in particular an x-ray image imaging plate, comprising a laser unit for generating a laser beam, an optical unit for focusing the laser beam onto the imaging plate, wherein the laser beam forms a focal point on the imaging plate. Here, the optical unit has a means for changing, in particular increasing, the diameter of the focal point on the imaging plate.
A cyclone (10) for separating solid particles (12) from a mixture of solid particles (12) and liquid has an inlet (44) for the mixture, a rotationally symmetrical cyclone chamber (22) which tapers from the upper end (18) thereof towards the lower end (20) thereof, and a rotationally symmetrical pre-chamber (46) which is connected to the inlet (44) and is separated from the upper end (18) of the cyclone chamber (22) by means of a partition wall (30; 130). The partition wall (30) has at least one passage from the pre-chamber (46) to the cyclone chamber (22). In order to operate such a cyclone (10) more effectively with alternating mixture throughputs, the at least one passage is provided with a throughput control valve (50) which opens in dependence upon pressure.
The invention relates to a phase contrast x-ray tomography device, comprising an electron gun (44) having a downstream deflector coil (52). The x-ray beam (56) is guided by the deflector coil (54) on a circular path over a target (58), which is marginally tilted towards a plane positioned vertically on the device axis. The x-ray beam (62) generated at focal spot F of the electron beam (56) crosses an object (70) and arrives at a detector line (68) via a phase grating (64) and an amplitude grating (66).
The invention relates to a suction device for dental, medical or industrial purposes, comprising a suction system and a housing (12) in which the suction system (50) is accommodated. The suction device is characterized in that the housing (12) is composed of at least two housing shells (14, 16) that can be assembled and are manufactured from a foamable material, in that at least one of the housing shells (14, 16) has support surfaces that support and/or hold the components of the suction system (50) in the housing (12), and in that at least one of the housing shells (14, 16) forms at least one functional component of the suction system (50).
A61M 1/00 - Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
The invention relates to a device (10) for reading an exposed imaging plate (12) comprises a light source (18) that can generate a reading light (20) which can be directed onto the imaging plate (12) point by point for scanning the imaging plate (12) by means of a deflector unit (26). The device (10) further comprises a detector unit (36) for fluorescent light (22) which is given off by the imaging plate (12) during scanning with the reading light (20). In order to increase the scanning efficiency, a controllable micromirror (24) is used in the deflector unit (26) for orientation of the reading light (20).
G21K 4/00 - Conversion screens for the conversion of the spatial distribution of particles or ionising radiation into visible images, e.g. fluoroscopic screens
G01T 1/20 - Measuring radiation intensity with scintillation detectors
G02B 26/08 - Optical devices or arrangements for the control of light using movable or deformable optical elements for controlling the direction of light
G03B 42/08 - Visualisation of records by optical means
9.
APPARATUS FOR TOMOGRAPHIC MEASUREMENT OF AN OBJECT
An apparatus for tomographic measurement of a parameter of an object, in particular a nuclear magnetic resonance or computed tomograph, comprises, in addition to a rough position sensor (26) measuring the controlled rough relative position, one or more fine position sensors (32 - 38), which identify disturbance movements of the object (24), i.e. measure an unwanted change of the relative position between the object (24) and the measurement plane of the apparatus. The output signals of the fine position sensors (32 - 38) are used to correct the pixels or sectional images.
A61B 6/00 - Apparatus for radiation diagnosis, e.g. combined with radiation therapy equipment
A61B 6/14 - Applications or adaptations for dentistry
A61B 5/055 - Detecting, measuring or recording for diagnosis by means of electric currents or magnetic fields; Measuring using microwaves or radio waves involving electronic [EMR] or nuclear [NMR] magnetic resonance, e.g. magnetic resonance imaging
The invention relates to a cyclone (10) having a simple construction and nevertheless good efficiency for separating non-gaseous constituents and gaseous constituents of a mixture. Said cyclone has an upper separating section (18, 20) and a lower collecting section (22) for non-gaseous components. A separating plate (62) is arranged between said two sections such as to be inclined obliquely and is spaced apart from the open end of an air discharge pipe (38) but overlaps said air discharge pipe in the radial direction.
The invention relates to a compact suction unit (32) suitable for dental and medical purposes, wherein the suction machine is equipped with radial impellers (132, 134) having small diameters, which are driven at high speed by an electrically commutated electric motor (36). For the purpose of sound insulation, the suction machine (34) and the electric motor (36) have a respective water jacket (90; 110) that is limited on the outside by a housing (58) that is made of sound-absorbing plastic material.
The invention relates to a check valve (10), comprising a valve housing (12), which comprises an inlet (16), an outlet (22), and a valve channel (18). The valve channel (18) connects the inlet (16) to the outlet (22) and has a valve seat (58). The check valve further comprises a closure part (48), which cooperates with the valve seat (58), and a tappet (50) bearing the closure part (48). In order to reduce noise, an end of the tappet (50) which is remote from the closure part (48) bears a control piston (52), which together with a cylinder wall defines a control chamber (62), which is connected a control connection (76). The control chamber (62) is connected to the valve channel (18) by means of a connection channel (66, 68).
A sedimentation separator for separating solids fractions from a mixture consisting of air, liquid and solids fractions comprises a sedimenting vessel (44) to which an air-separating unit (16) is connected upstream. In an intermediate vessel (36) arranged between the air-separating unit (16) and sedimenting vessel (44) there is arranged a float (64) which closes off an air duct (20) when the level of sediment in the sedimenting vessel (44) has reached a predetermined height. Liquid purified by sedimentation is suctioned off from the upper end of the sedimenting vessel by means of a jet pump (28).
An apparatus for sucking off or compressing air has a working duct (39) which connects a working fluid inlet (40) and a working fluid outlet (42). A working unit (30, 32, 34) arranged in the working duct (39) is driven by an electric motor (14), which comprises a rotor (28) and a stator (26). In order to cool the electric motor (14) with the air which is to be conveyed, a boundary wall (20) of the working duct (39) surrounds the electric motor (14).
A filter cartridge (10), which is suitable in particular for cleaning dental wastewater, has a housing (32) with three different chamber regions which accommodate three different filter materials (52; 44; 80), which have different filter properties. A sedimentation chamber (48, 50) is arranged upstream of the first filter material (52).
B01D 24/00 - Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof
B01D 29/58 - Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups ; Filtering elements therefor with multiple filtering elements, characterised by their mutual disposition in series connection arranged concentrically or coaxially
B01D 36/02 - Combinations of filters of different kinds
16.
X-RAY MACHINE AND METHOD FOR PRODUCING X-RAY IMAGES FOR DENTAL OR ORTHODONTIC DIAGNOSTICS
The invention relates to an X-ray machine (10) for producing X-ray images for dental or orthodontic diagnostics, comprising an X-ray tube (12) that can be inserted into an oral cavity (16) of a patient (18) for generating X-ray radiation (32) and a screening system for screening off part of the X-ray radiation (32). According to the invention, the size and/or shape and/or position of the screen opening (38; 138) of the screen system can be changed. An output device (64; 167; 189, 199; 299) is set up for outputting data relating to the screen opening (38; 138). The controller (47) then explicitly calculates the size, the shape and the position of the screen opening (38; 138) using the data provided by the output device. It can thus be verified, for example, that the adjusted screen opening corresponds to the desired screen opening, and that no unnecessary radiation exposure occurs due to faulty operation.
An examination device for optically examining tissue areas (10) in body cavities comprises light-emitting diodes (24), by means of which the examination area (26) can be illuminated with light of different wavelengths as selected. Sample light returning from the examination area (26) reaches an image converter (40) by means of an objective (36) and a multi-filter (58), which comprises a plurality of strip-shaped interference filters. By producing a relative motion between the multi-filter (58) and the image converter (40), fluorescence images of the examination area (26) can be determined for predefined spectral ranges. Diseased tissue areas can be differentiated from healthy tissue areas by comparing and/or linking the spectral sub-images.
A61B 1/247 - Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor for the mouth, i.e. stomatoscopes, e.g. with tongue depressors; Instruments for opening or keeping open the mouth with means for viewing areas outside the direct line of sight, e.g. dentists' mirrors
A61B 5/00 - Measuring for diagnostic purposes ; Identification of persons
G03F 7/00 - Photomechanical, e.g. photolithographic, production of textured or patterned surfaces, e.g. printed surfaces; Materials therefor, e.g. comprising photoresists; Apparatus specially adapted therefor
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. endoscopes; Illuminating arrangements therefor with illuminating arrangements
18.
X-RAY TUBE AND SYSTEM FOR PRODUCING X-RAY IMAGES FOR DENTAL OR ORTHODONTIC DIAGNOSTICS
An X-ray tube comprises an electron gun (40) for producing an electron beam (60), a target (72) and a target holder (74), which consists of a holder material which has a lower atomic number than the target material. The target (72) has a width of less than 250 μm, preferably of less than 50 μm, at least in one direction perpendicular to the direction of incidence. The X-ray tube further comprises a focal support detector (86, 87, 88, 90, 92, 99) in order to measure the location of the focal support. The focal support detector has, for this purpose, a detector device (86, 87, 88, 90, 92, 99) for detecting X-ray radiation and/or secondary electrons and/or backscatter electrons, which are emitted when the electron beam impinges on the target (72) and/or the target holder (74). A control unit (91) is designed to drive the deflecting device (66) depending on the location of the focal support in such a way that the electron beam (60) impinges on the target (72). The electron beam (60) is in this case first guided in the manner of a scanner over the target (72) and the target holder (74), as a result of which a scanning electron microscope image of the target (72) is produced.
H01J 35/30 - Tubes wherein the point of impact of the cathode ray on the anode or anticathode is movable relative to the surface thereof by deflection of the cathode ray
H01J 35/32 - Tubes wherein the X-rays are produced at or near the end of the tube or a part thereof, which tube or part has a small cross-section to facilitate introduction into a small hole or cavity
19.
CASSETTE FOR A STORAGE FILM, STORAGE FILM FOR USE WITH SAID CASSETTE, DEVICE FOR READING A STORAGE FILM, EXAMINATION DEVICE COMPRISING SAID TYPE OF CASSETTE AND METHOD FOR CAPTURING PANOGRAPHIC IMAGES
The invention relates to a cassette (14) for panography which is can receive a plurality of storage films (46, 48, 50) in the shape adapted to the geometry of the jaw. A carrier plate (36) of the cassette (14) can be individually adapted, elastically or plastically, to the shape of the jaw which is to be examined.
The invention relates to a detection unit (10) for test beams (20) comprising at least one storage film (26) which contains storage centres excitable by the test beams (20) and which emit fluorescent light from excited storage centres when scanned with a reading light. A housing (12) surrounding a storage film (26) is impermeable to visible light and at least one area of an inlet window (22) is permeable to test beams (20). The housing (12) is provided with a transport device (36; 44; 52, 60) through which a storage film (26) can be guided between an illumination station (24) placed behind the inlet window (24) and a reading station (34) which is arranged at a distance from said illumination station. Said housing (12) comprises a reading window (32) in the reading station (34), which is permeable to the reading light and fluorescent light.
G21K 5/08 - Holders for targets or for objects to be irradiated
G21K 4/00 - Conversion screens for the conversion of the spatial distribution of particles or ionising radiation into visible images, e.g. fluoroscopic screens
G01T 1/29 - Measurement performed on radiation beams, e.g. position or section of the beam; Measurement of spatial distribution of radiation
A61B 6/14 - Applications or adaptations for dentistry
G03B 42/02 - Obtaining records using waves other than optical waves; Visualisation of such records by using optical means using X-rays
G03B 42/08 - Visualisation of records by optical means
21.
X-RAY TUBES, IN PARTICULAR FOR PANOGRAPHIC RECORDINGS
The invention relates to X-ray tubes, in particular for panographic recordings, comprising an electron gun (12) for producing an electron beam (24), a target (20) and means (22) for focusing the electron beam (24) on the target (28), and a housing which tightly seals the mentioned components. Said target (28) is accommodated in an end section (17) of a tubular housing fitting (15), said end section being at a distance from the electron gun (12). Said end section (17) comprises, in at least two independent directions, windows (19) which are permeable to x-rays and the target (28) has a shape such that the X-rays (30) which are generated reach at least two of the windows.
A61B 6/14 - Applications or adaptations for dentistry
H01J 35/32 - Tubes wherein the X-rays are produced at or near the end of the tube or a part thereof, which tube or part has a small cross-section to facilitate introduction into a small hole or cavity
22.
DEVICE FOR ENCASING A FLAT OBJECT, IN PARTICULAR AN IMAGING PLATE, IN A PROTECTIVE CASING
In a station for enclosing a flat object (10) such as an imaging plate in a protective casing, two film webs (38, 40) are conveyed in parallel, one lying above the other. A stamp (68, 74) is used to simultaneously cut out sections of the two film webs (38, 40) lying one above the other. The flat object (10) is sandwiched between the two film webs (38, 44) by means of time-offset movement of the two film webs (38, 44) in such a way that the flat object (10) can fall through a window (68) of the upper film web (38) that remained when the protective casing was cut out in the previous operating cycle. Only after the flat object (10) has been laid on the lower film web (44) in such a way is the upper film web (38) moved further by an interval and the two film webs are welded in the vicinity of the subsequent cut edge and then separated from the film webs (38, 44) by means of a punch (28) and die (74) of the stamp.
G03C 3/00 - Packages of films for inserting into cameras, e.g. roll-films or film-packs; Wrapping materials for light-sensitive plates, films, or papers, e.g. materials characterised by the use of special dyes, printing inks or adhesives
B65B 9/02 - Enclosing successive articles, or quantities of material, between opposed webs
23.
METHOD AND SYSTEM FOR PRODUCING RECTIFIED X-RAY IMAGES FOR DENTAL OR ORTHODONTIC DIAGNOSTICS
In a method for producing rectified x-ray images for dental or orthodontic diagnostics, a x-ray source (28) is introduced into the oral cavity (34) of a patient (36). A x-ray detector (32) is arranged such that it extends at least about a part of the mandibular arch of the patient (36) from the outside. Subsequently, the teeth of the patient (36) are x-rayed, wherein the x-rays impinging on the x-ray detector (32) are detected. On the basis of the x-rays detected by the x-ray detector, a digital x-ray image is generated. According to the invention, the coordinates of a plurality of measuring points located on the teeth (38) are measured by means of a measuring device (50; 64; 73; 50a to 50d; 106a, 106b, 66a, 66b; 110a, 110b; 130). Finally, the digital x-ray image is rectified using said coordinates.
H01J 35/32 - Tubes wherein the X-rays are produced at or near the end of the tube or a part thereof, which tube or part has a small cross-section to facilitate introduction into a small hole or cavity
A61B 6/02 - Devices for diagnosis sequentially in different planes; Stereoscopic radiation diagnosis
G01B 11/25 - Measuring arrangements characterised by the use of optical techniques for measuring contours or curvatures by projecting a pattern, e.g. moiré fringes, on the object
The invention relates to a handpiece camera, comprising an illumination device (18), optical elements (20a, 20b, 20c, 20d), and an image converter (26). A housing (10) is provided with an entrance window (16), through which an observation light returning from an examination area shines in, which is subsequently conducted to the image converter (26) by the optical elements (20a, 20b, 20c, 20d, 24). The camera has a head part (12) and a handle part (14), which are detachably connected to one another. The handle part (14) can be adjusted to a wide variety of purposes when combined with different head parts (12).
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. endoscopes; Illuminating arrangements therefor
A61B 5/00 - Measuring for diagnostic purposes ; Identification of persons
25.
DEVICE FOR REMOVING RADIOGRAPHIC FILMS FROM A PROTECTIVE SHEATH
The invention relates to a device allowing the removal of radiographic films (14) radiated by x-ray light from an opaque protective sheath (10). The invention comprises means for holding down a wall segment of the protective sheath (10), and means (70, 120) for moving the radiographic film (14) with respect to the held down wall segments of the protective sheath (10).
G03C 3/00 - Packages of films for inserting into cameras, e.g. roll-films or film-packs; Wrapping materials for light-sensitive plates, films, or papers, e.g. materials characterised by the use of special dyes, printing inks or adhesives
The invention relates to a dental or medical camera (10) having a plurality of components, including an optic (L1; L2; L3) and an image converter (28) comprising at least one adjustable element (L1; 24; 28; 30). At least one servo adjusting device (34; 78; 80) is provided for at least one of the adjustable elements (L1; 24; 28; 30), in order to allow modification of camera parameters.
A61B 1/247 - Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor for the mouth, i.e. stomatoscopes, e.g. with tongue depressors; Instruments for opening or keeping open the mouth with means for viewing areas outside the direct line of sight, e.g. dentists' mirrors
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. endoscopes; Illuminating arrangements therefor
G02B 23/02 - Telescopes, e.g. binoculars; Periscopes; Instruments for viewing the inside of hollow bodies; Viewfinders; Optical aiming or sighting devices involving prisms or mirrors
G02B 3/14 - Fluid-filled or evacuated lenses of variable focal length
G02B 7/09 - Mountings, adjusting means, or light-tight connections, for optical elements for lenses with mechanism for focusing or varying magnification adapted for automatic focusing or varying magnification
G02B 7/08 - Mountings, adjusting means, or light-tight connections, for optical elements for lenses with mechanism for focusing or varying magnification adapted to co-operate with a remote control mechanism
The invention relates to an electric motor (27), particularly for use in a suction machine (14), having a motor housing (22), a rotor (32), and a stator (28) supporting a winding arrangement (30) comprising at least one head segment (48) in the axial direction. A circulation device (50) is provided thereby, generating an air flow in the interior of the motor housing (22) at the at least one head segment (48) of the winding arrangement (30).
A rotor for high-speed radial machines comprises two wheel discs (10, 16) and a feed vane unit (20) held in a sandwich-like manner between said wheel discs (10, 16). Said feed vane unit (20) comprises a hub part (22) and curved feed vanes (30). The two wheel discs (10, 16) and the feed vane unit (20) are fixedly connected by means of a multiplicity of rivets (44).
The invention relates to a secondary flow valve (10) comprising a valve seat and a valve sealing part and having a motion-damping closing device, which prestresses the valve sealing part against the valve seat. A silencer device (12), which comprises a gas-permeable silencer material (68), through which the fed fluid flows, is preferably arranged on the inlet side before the valve seat.
In order to improve the contrast in gray tone images, according to the invention a characteristic line (KH) used for converting an initial image into a modified image is composed of two characteristic lines (K1, K2) that have different contrast enhancement properties.
The invention relates to an imager, particularly for detecting X-rays, having a sensor (14) sensitive to radiation. The sensor (14) is enclosed in a housing (12) comprising a radiation-permeable inlet window (18) and a cable outlet for a cable arrangement (22) coupled to the sensor (14). The inlet window (18) comprises a fiber insert (31) embedded in a plastic matrix (33). The invention is used for imaging methods.
The invention relates to an x-ray apparatus (10) with an x-ray radiation source (12) and a detector unit (14) in which the detector unit (14) comprises a plurality of detectors (74) which merely absorb a part of the x-rays that are hitting them and which are arranged next to each other with parallel spaces therebetween. It is possible by means of the x-ray apparatus and/or the detector unit to obtain a plurality of sectional views of an object penetrated by radiation with a single photograph, which views correspond to focus planes with spaces therebetween.
A61B 6/02 - Devices for diagnosis sequentially in different planes; Stereoscopic radiation diagnosis
A61B 6/14 - Applications or adaptations for dentistry
G01N 23/04 - Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups , or by transmitting the radiation through the material and forming images of the material
H01L 25/04 - Assemblies consisting of a plurality of individual semiconductor or other solid state devices all the devices being of a type provided for in the same subgroup of groups , or in a single subclass of , , e.g. assemblies of rectifier diodes the devices not having separate containers
The invention relates to a coupling unit (24) for transmitting high-frequency mechanical vibrations from a vibration generator (12) onto a tool (34). Said coupling unit comprises in input part (22) and an output part (30) that are interconnected via two identical vibration bars (26, 28), said bars being off-set from each other. The bars may have the shape of quadrants to provide the output movement in a direction that forms an angle of 90° with the direction of the input movement.
The invention relates to a reciprocating compressor (10) especially for dental purposes for compressing gas, especially air. Said reciprocating compressor (10) comprises a cylinder (12), having at least one cylinder head (14), and a piston (16). Said piston (16) has a piston magnetic field source that generates a piston magnetic field (N, S). A stator magnetic field source (20) generates a magnetic field (N', S') that penetrates the cylinder (12), and comprises a coil that is supplied with current of alternating polarity by a control unit (24) to reciprocate the piston (16) inside the cylinder.
F04B 35/04 - Piston pumps specially adapted for elastic fluids and characterised by the driving means to their working members, or by combination with, or adaptation to, specific driving engines or motors, not otherwise provided for the means being electric
The invention relates to a method and a device for evaluating fluorescence partial images representing the same object region, independently of stray light. Two partial images of the objects are produced in the red and in the green by a camera (10). A quotient image is produced in pixels from said two partial images, and the frequency of the occurrence of the image points having a pre-defined red/green ratio is determined for said quotient image. The mean values and the width are determined for the distribution curve obtained in this way. The two end variables of the distribution curve are used to calculate a threshold value. The quotient image is modified using said threshold value such that its contrast in relation to interesting details is increased.
An attachment (40, 40a, 40b) for a diagnostic (10) comprises a coupling section (42) configured for the detachable connection to a head region (14) of a diagnostic camera (10), and a dimensionally stable spacer (44) that is connected to said section and has a free end section (46).
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. endoscopes; Illuminating arrangements therefor for the mouth, i.e. stomatoscopes, e.g. with tongue depressors; Instruments for opening or keeping open the mouth
37.
SUCTION DEVICE FOR DENTAL, MEDICAL AND INDUSTRIAL PURPOSES
A suction device (10) for dental, medical and industrial purposes is described which comprises a radial fan (12) with a suction side (136) and a delivery side (90). An air outlet (140) of a centrifugal separator (14) is connected to the suction side (136) of the radial fan (12). At least one drive motor (44, 146) controlled by a control unit (54), and in the form of a rotating electric motor, drives the radial fan (12) and the centrifugal separator (14). A fan drive motor (44) and a separator drive motor (146) are arranged, uncoupled in terms of rotation, one behind the other on a common shaft (16) fixed to the housing. The respective stators (42, 150) are supported by the common shaft (16). The rotating parts (74, 76) of the radial fan (12) are fixedly connected to the rotor (56) of the fan drive motor (44), and the rotating parts (198, 200, 202) of the centrifugal separator (14) are fixedly connected to the rotor (148) of the separator drive motor (146) and are mounted so as to rotate coaxially with respect to the shaft (16) fixed to the housing.
B04B 1/06 - Centrifuges with rotary bowls provided with solid jackets for separating predominantly liquid mixtures with or without solid particles with inserted separating walls of cylindrical shape
A61M 1/00 - Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
An X-ray image memory unit comprises a plurality of memory film pieces (20-1 to 20-4) which can be moved between a recording configuration, in which they are situated one behind the other, and a scan configuration, in which they are individually accessible to reading light.
patents