CARL ZEISS SURGICAL GMBH Patent applications |
Patent application number | Title | Published |
20150073270 | IMAGING METHOD AND APPARATUS - An imaging apparatus and method are provided. The probe for an imaging apparatus includes a manually manipulable proximal portion; a straight distal portion with a distal tip for locating at a site to define an observational field; and a curved portion between the proximal portion and the distal portion. The imaging method includes the steps of locating a distal tip of an imaging probe at a site to define an observational field; irradiating the observational field from the distal tip; and collecting a return signal at the distal tip; wherein the probe comprises a manually manipulable proximal portion. The apparatus and method provided herein are useful for various applications including but not limited to endomicroscopy and other microsurgical procedures performed under optical stereoscopic magnified visualization, such as neurosurgery, ENT/facial surgery and spinal surgery. | 03-12-2015 |
20120194663 | Microscopy System, Microscopy Method and a Method of Treating an Aneurysm - A microscopy system and method allow observing a fluorescent substance accumulated in a tissue. The tissue can be observed at a same time both with visible light and with fluorescent light. It is possible to observe a series of previously recorded fluorescent light images in superposition with the visible light images. An end of the series of images may be automatically determined. A thermal protective filter may be inserted into a beam path of an illuminating system at such automatically determined end of the series. Further, the fluorescent light image may be analyzed for identifying a coherent fluorescent portion thereof. A representation of a periphery line of the coherent portion may be generated, and depths profile data may be obtained only from the coherent portion. An illuminating light beam for exciting the fluorescence may be modulated for improving a contrast of fluorescent images. | 08-02-2012 |
20120069303 | MEASURING SYSTEM FOR OPHTHALMIC SURGERY - The invention relates to an optical measuring system comprising a wave front sensor for characterizing a shape of a wave front of measuring light and an imaging lens, wherein the imaging lens comprises a first optical assembly and a second optical assembly for imaging an object region in an entrance region of the wave front sensor. A distance between the object region and the first optical assembly is larger than a focal length of the first optical assembly. Furthermore, the optical measuring system can comprise an optical microscopy system and optionally an OCT system for carrying out different optical examination methods at the same time. | 03-22-2012 |
20120019777 | System and Method for Visualizing Objects - A method of visualizing objects using an optical system including an OCT system configured to obtain OCT data from voxels within a first volume having a first lateral extent includes obtaining position data indicative of a position of a predetermined portion of a movable instrument relative to the optical system and determining a first set of voxels from the voxels of the first volume based on the determined position such that at least 80% of the first set of voxels is located within a second volume having a second lateral extent with a size at least half the size of the first lateral extent. The method also includes obtaining OCT data of the first set of voxels, visualizing a representation of the OCT data of the first set of voxels, and repeating the steps of the method at a first repetition rate higher than 5 times per second. | 01-26-2012 |
20110280810 | SURGICAL OPTICAL SYSTEMS FOR DETECTING BRAIN TUMORS - A method of detecting a brain tumor includes administering indocyanine green to a living body; exposing brain tissue in the living body; irradiating the exposed brain tissue with excitation light of indocyanine green; obtaining an image based on fluorescence of the excited indocyanine green in the brain tissue, wherein the image is obtained using an endomicroscope; and identifying portions of the brain tissue corresponding to the brain tumor based on the image. | 11-17-2011 |
20110228218 | IMAGING SYSTEM - Imaging systems are provided allowing examination of different object regions spaced apart in a depth direction by visual microscopy and by optical coherence tomography. An axial field of view and a lateral resolution is varied depending on which object region is examined by the imaging system. The proposed imaging systems are in particular applicable for thorough examination of the human eye. | 09-22-2011 |
20110202017 | MEASUREMENT SYSTEM AND METHOD FOR ESTABLISHING THE REFRACTION OF AN EYE, THE RADIUS OF CURVATURE OF THE CORNEA OR THE INTERNAL PRESSURE OF AN EYE - A method for establishing the refraction of an eye ( | 08-18-2011 |
20110199577 | ARTICLE FOR USE IN AN OCT-METHOD AND INTRAOCULAR LENS - An article for use in an OCT method, the article comprising a solid substrate and nanoparticles dispersed in or on the substrate in at least one light transmissive portion of the article such that the nanoparticles result in an increased extinction of the light transmissive portion along a transmission direction of the light transmissive portion compared to the substrate being free of nanoparticles. The extinction of the light transmissive portion along the transmission direction is less than 6, wherein the extinction is defined as a negative decadic logarithm of a ratio of an intensity of light which is transmitted through the light transmissive portion to an intensity of light which is incident on the light transmissive portion, wherein the light is in at least one of a visible and a near infrared wavelength range. | 08-18-2011 |
20110181702 | METHOD AND SYSTEM FOR GENERATING A REPRESENTATION OF AN OCT DATA SET - A method of generating a representation of an OCT data set includes obtaining the OCT data set, representing a plurality of tuples, each of which comprises values of three spatial coordinates and a value of a scattering intensity, obtaining a color image data set representing a plurality of tuples, each of which comprises values of two spatial coordinates and a color value, and generating an image data set, representing a plurality of tuples, each of which comprises values of three spatial coordinates and a color value. Generating the image data set is performed depending on an analysis of the OCT data set and an analysis of the color image data set. | 07-28-2011 |
20110178457 | DEVICE FOR REDUCING PRESSURE VARIATIONS IN AN ASPIRATION BRANCH, AND SURGICAL SYSTEM - The invention relates to a device for reducing pressure variations in a fluid flowing in an aspiration branch of a surgical system, which pressure variations are generated by a pump that delivers in a non-continuous manner in the active operating state, with a diffuser arrangement which is arranged, in the aspiration branch, upstream of the pump in the direction of flow of the fluid. The invention also relates to a surgical system, in particular an ophthalmic microsurgical system for lens surgery. | 07-21-2011 |
20110178395 | IMAGING METHOD AND SYSTEM - Imaging systems and methods are provided herein. An imaging system for imaging a surgical site, may include a macroscopic visualization system; and an imaging apparatus with a probe, the imaging apparatus being adapted to image the observational field and generate second image data; wherein the system is operable to control the macroscopic visualization system and the imaging apparatus to image the site and the observational field respectively at substantially the same time, and to associate the first image data and the second image data. Imaging methods provided herein may include the steps of: imaging the site with a macroscopic visualization system and generating first image data; imaging at substantially the same time an observational field with an imaging apparatus and generating second image data; and associating the first image data and the second image data. | 07-21-2011 |
20110176142 | Optical Coherence Tomography Methods and Systems - Frequency domain optical coherence tomography (FD-OCT) systems and methods are provided. Thereby, a first measurement and a second measurement is performed, wherein in the first measurement an object region is illuminated by measuring light having a spectrum with a first spectral width and in the second measurement the object region is illuminated with measuring light having a spectrum with a second spectral width, wherein the first spectral width is at least 10% greater than the second spectral width. Further, during the first measurement intensities of spectral ranges of light having interacted with the object and being superimposed with reference light are detected, wherein a width of these spectral ranges is greater than a corresponding width during the second measurement. Thus, switching an axial field of view of structural information of the object across a depth direction is enabled upon minimizing radiation damage at the object. | 07-21-2011 |
20110170179 | STEREOSCOPIC MICROSCOPE - A microscope or stereomicroscope for representing an object that can be placed on an object plane of the stereomicroscope provides at least one pair of optical paths and comprises at least one deflection element with a reflecting surface and a representation system containing several optical elements. The optical elements include a plurality of lenses. In addition, the optical elements are configured in such a way that pupil planes of the optical representation paths intersect the reflecting surface of the deflection element or are located at a distance from said reflecting surface less than 1.5 times the diameter of one of the reflecting surfaces along the optical representation paths on the closest lens of the plurality of lenses. An alternative embodiment provides a stereomicroscope with a particularly compact construction, in which at least one pair of optical representation paths is reflected on a first, second, third, and fourth reflecting surface. | 07-14-2011 |
20110168914 | MICROSCOPY SYSTEM, MICROSCOPY METHOD AND METHOD OF TREATING AN ANEURYSM - A microscopy system and method are provided allowing observing a fluorescent substance accumulated in a tissue. The tissue can be observed at a same time both with visible light and with fluorescent light. It is possible to observe a series of previously recorded fluorescent light images in superposition with the visible light images. An end of the series of images may be automatically determined. A thermal protective filter may be inserted into a beam path of an illuminating system at such automatically determined end of the series. Further, the fluorescent light image may be analyzed for identifying a coherent fluorescent portion thereof. A representation of a periphery line of the coherent portion may be generated, and depths profile data may be obtained only from the coherent portion. An illuminating light beam for exciting the fluorescence may be modulated for improving a contrast of fluorescent images. | 07-14-2011 |
20110157553 | SURGICAL MICROSCOPY SYSTEM AND METHOD FOR PERFORMING EYE SURGERY - A surgical microscopy system comprises microscopy optics for generating an image of an eye under surgery. A pattern generator generates a pattern to be superimposed with the image. An eye-tracker is provided for tracking a position of the superimposed pattern with respect to the image in case of a movement of the eye. The superimposed pattern comprises pattern elements that are equally distributed on first and second circles of different sizes, in order to give assistance when placing a suture during a corneal transplant. The superimposed pattern may also provide an assistance for orientating a toric intra-ocular lens. | 06-30-2011 |
20110153013 | SURGICAL MICROSCOPY SYSTEM AND METHOD FOR PERFORMING EYE SURGERY - A surgical microscopy system comprises microscopy optics for generating an image of an eye under surgery. A pattern generator generates a pattern to be superimposed with the image. An eye-tracker is provided for tracking a position of the superimposed pattern with respect to the image in case of a movement of the eye. The superimposed pattern comprises pattern elements that are equally distributed on first and second circles of different sizes, in order to give assistance when placing a suture during a corneal transplant. The superimposed pattern may also provide an assistance for orientating a toric intra-ocular lens. | 06-23-2011 |
20110141262 | OPTICAL OBSERVATION APPARATUS WITH MULTI-CHANNEL DATA INSERTION - An optical observation apparatus has an optical image channel for viewing optical field-of-view images, a processing unit to generate a first electronic insertion image via a first electronic image channel, and a data insertion image projector for generating an optical insertion image from the first electronic insertion image and inserting that image into the optical field-of-view image. An acquisition device acquires the optical field-of-view image without the optical insertion image inserted by the data insertion image projector. A second electronic image channel has a superimposition module, that superimposes the electronic field-of-view image with an electronic insertion image and provides the superimposed images via the second electronic image channel. The processing unit generates a second electronic insertion image, provides available display data elements, and makes it possible to assemble the electronic insertion images and assign them to different electronic image channels. | 06-16-2011 |
20110122365 | Eye Surgery System and Methods of Preparing and Performing an Eye Surgery - A method for carrying out eye surgery comprises a comparison of images recorded before surgery with images recorded during surgery in order to generate a marker which represents a target orientation of an intraocular lens or a difference between a current orientation and the target orientation of the intraocular lens. An eye surgery system respectively comprises an imaging system which is used during a surgery and has a camera, and a diagnostic system which is used before surgery and which also has a camera. The imaging system used during surgery comprises an image processing device in order to perform a computation based on the recorded images, and in order to determine a respective orientation value, from which a representation of a marker representing the target orientation of the intraocular lens is obtained. | 05-26-2011 |
20110105822 | BALLOON CATHETER AND X-RAY APPLICATOR COMPRISING A BALLOON CATHETER - The invention relates to a balloon catheter for an X-ray applicator and an X-ray applicator—for use with the corresponding balloon catheter. Said balloon catheter can be filled with a medium and comprises a balloon—that expands with respect to the volume and a catheter shaft for inserting the X-ray applicator. Said balloon or the catheter shaft comprises a rigid inner end piece in the extension of the catheter shaft. | 05-05-2011 |
20110090325 | SYSTEM AND METHOD FOR EXAMINING AN OBJECT - In a system and a method for examining an object containing a fluid liquid, the object is illuminated with measuring light and images are temporarily shortly subsequently recorded. The images are evaluated per pixel to determine perfusion data from a high frequency portion above 1 kHz and to determine further information about properties of the object from a low frequency portion below 100 Hz, such as a degree of oxygenation of hemoglobin, a concentration of hemoglobin or a concentration of ICG. This information determined by evaluation is displayed in a form of an image in superposition with a white light image of the object. | 04-21-2011 |
20110066408 | METHOD AND APPARATUS FOR DETERMINING THE ILLUMINATION BEAM DOSE IN SURGICAL FIELD ILLUMINATION - A method is disclosed for determining an illumination beam dose in surgical field illumination. Said method comprises the following steps: at least one actual illumination-relevant value is sensed; and an illumination beam dose is calculated from said sensed actual value. Sensing of the actual illumination-relevant value includes sensing of a value of at least one adjustable parameter of an illumination device. Furthermore, simulated dose characteristics associated with the adjustable parameter are selected, at least one simulated dose value is calculated taking into account the value of the adjustable parameter and the associated simulated dose characteristics, and the illumination beam dose is calculated taking into account the at least one simulated dose value. Also disclosed are an apparatus, a computer program product, and a surgical microscope for carrying out said method. | 03-17-2011 |
20110054385 | OPHTHALMOSURGICAL SYSTEM - The disclosure relates to an ophthalmosurgical system that includes a first irrigation fluid source. The system also includes a first irrigation fluid line connected to the first irrigation fluid source at a first end and open at the other end. The system further includes an aspiration fluid line, by which fluid can be removed from the ocular lens. In addition, the system includes a suction pump, to which the aspiration fluid line is connected, and a second irrigation fluid source, to which a second irrigation fluid line is connected. The second irrigation fluid line is connected to the first irrigation fluid line at a coupling site. The system also includes a first valve, which is disposed between the first end of the first irrigation fluid line and the coupling site, and a second valve, which is disposed between the second irrigation fluid source and the coupling site. | 03-03-2011 |
20110032607 | OPERATING MICROSCOPE AND METHOD FOR PIVOTING A CO-OBSERVER MICROSCOPE - An operating microscope has a main objective ( | 02-10-2011 |
20100331878 | METHOD AND DEVICE FOR REMOVING A BALLOON FROM A BODY CAVITY - A balloon removing device is provided for removing a balloon from a body cavity through an access opening of said body cavity, in particular for removing a balloon of a radiation catheter from a body cavity left by surgical removal of cancerous or other tissue. The balloon removing device has an unstretchable elongated tool extending along a longitudinal axis and having a distal end with a distal opening, a proximal end with a proximal opening and a lumen extending from the distal opening along the longitudinal axis to the proximal opening. The dimensions of the distal opening and the lumen of the elongated tool allow the balloon to be accommodated therein in the deflated state, or the dimensions of the distal opening, the proximal opening and the lumen of the elongated tool are adapted to allow the balloon to be pulled through the lumen in the deflated state. | 12-30-2010 |
20100309550 | HEAD-MOUNTABLE LOUPE - A head-mountable loupe for observing an object includes a support configured to be attachable to the head of a user and optics mounted to the support and including an objective lens, left and right oculars and a plurality of beam folding mirrors. The loupe has an observation configuration in which the left and right oculars are disposed in front of left and right eyes, respectively, of the user, to establish a folded left beam path originating from the object, traversing the objective lens and the left ocular and reflected from plural beam folding mirrors, and to establish a folded right beam path originating from the object, traversing the objective lens and the right ocular and reflected from plural beam folding mirrors. | 12-09-2010 |
20100309549 | LIGHT SOURCE ARRANGEMENT FOR AN ILLUMINATION DEVICE OF A MEDICAL-OPTICAL OBSERVATION - A light source arrangement ( | 12-09-2010 |
20100309478 | Ophthalmic surgical microscope having an OCT-system - An ophthalmic surgical microscope ( | 12-09-2010 |
20100305496 | FLOW LIMITER FOR A FLUID FLOWING IN AN ASPIRATION BRANCH OF A SURGICAL SYSTEM, AND SURGICAL SYSTEM - The invention relates to a flow limiter ( | 12-02-2010 |
20100280439 | SURGICAL SYSTEM FOR CONTROLLING FLUID - The invention relates to a surgical system ( | 11-04-2010 |
20100261966 | OPTICAL OBSERVATION UNIT AND METHOD FOR ENSURING AN UNCHANGING ILLUMINATION INTENSITY WHEN CHANGING THE COLOR TEMPERATURE OF THE ILLUMINATION - An optical observation unit ( | 10-14-2010 |
20100254586 | METHOD AND DEVICE FOR LOCATING FUNCTION-SUPPORTING TISSUE AREAS IN A TISSUE REGION - Functional tissue areas in a tissue region are located by illuminating the tissue by measurement illumination. Stimulation in the functional tissue areas leads to a change in at least one optical property of the reflected measurement illumination compared to the original measurement illumination. The functional tissue areas are located based on the change in the at least one optical property of the reflected measurement illumination by determining the difference between a stimulation image of the tissue region obtained during the stimulation and a comparison image of the tissue region obtained without stimulation. The difference may be formed from at least one image recorded with the measurement illumination and at least one image recorded without the measurement illumination to bring about an increase in contrast. An obtained image may be corrected on the basis of the determined topography of the tissue region to bring about an increase in contrast. | 10-07-2010 |
20100241131 | PHACOEMULSIFICATION DEVICE AND METHOD FOR OPERATING THE SAME - The invention relates to a phacoemulsification device, comprising: —a hand piece having a cutting tip for emulsifying a lens, wherein the tool holder is provided with piezoelectric elements for deflecting the cutting tip, —a regulator, the input of which is electrically connected to the tool holder, for receiving an actual value that is proportional to the voltage induced on the piezoelectric elements of the tool holder that is constantly oscillating on the natural frequency thereof, said regulator being suitable for comparing the actual value with a predetermined target value, thus determining an actuating variable, —a power amplifier, the input of which is connected to the regulator in order to receive the actuating variable, and the output of which is connected to the tool holder, wherein the tool holder may be actuated simultaneously with the receipt of the actual value and a power output to the tool holder being able to occur, such that a direct feedback coupling may be attained, thus enabling the tool holder to constantly oscillate at the natural frequency thereof with a deflection of the cutting tip corresponding to the actuating variable. | 09-23-2010 |
20100238541 | STEREO-EXAMINATION SYSTEMS WITH IMAGE ROTATION - A stereo-examination system including an objective arrangement configured to receive an object-side beam bundle emanating from the object plane and to convert the object-side beam bundle into an image-side beam bundle and a selection arrangement configured to select at least one pair of partial beam bundles from the image side beam bundle. The system also includes an image transmission apparatus configured to generate stereoscopic images of an object positionable in the object plane from the at least one pair of partial beam bundles and an illumination arrangement. The illumination arrangement includes a light source, a beam coupler to superpose a beam cross-section of the illumination beam with the image-side beam bundle, and a field of a plurality of state-changing elements. The elements are selectively switchable between a first state directed and a second state in which light of the illumination beam is and is not directed to the object plane. | 09-23-2010 |
20100214534 | OPHTHALMIC SURGERY SYSTEM - An ophthalmic surgery system ( | 08-26-2010 |
20100214402 | CAMERA ADAPTOR FOR A MEDICAL-OPTICAL OBSERVATION INSTRUMENT AND CAMERA-ADAPTOR COMBINATION - A camera adaptor ( | 08-26-2010 |
20100188740 | Stereo Microscope System - An illumination system of a microscopy system comprises an actuator configured to change an angle of an illumination light beam and a mirror assembly, which is selectively positionable into the beam path of the illumination light beam. The mirror assembly may comprise an actuator configured to change an orientation of a mirror with respect to another mirror. | 07-29-2010 |
20100182418 | SURGICAL MICROSCOPE FOR OBSERVING AN INFRARED FLUORESCENCE AND CORRESPONDING METHOD - A surgical microscope for observing an infrared fluorescence includes a camera system | 07-22-2010 |
20100157246 | OPHTHALMIC SURGICAL SYSTEM - A system includes an optical system having two beam splitters (a dichroic beam splitter and a polarizing beam splitter), which are designed to provide three separate beam paths for observing an object. The dichroic beam splitter is designed to separate two beam paths depending on the wavelength of the light of the respective beam path. The polarizing beam splitter is designed such that two beam paths are separated depending on a direction of polarization of the light of the respective beam path. The measuring light is linearly polarized after having passed the polarizing beam splitter and may be influenced with respect to the state of polarization by a retarding plate. The returning measuring light incident on the polarizing beam splitter is linearly polarized and also polarized in such a direction that the returning measuring light is transported through the polarizing beam splitter towards the analyzing detector with a high efficiency. | 06-24-2010 |
20100142039 | LOAD SUSPENSION STAND AND MICROSCOPY SYSTEM - A load suspension stand includes a first stand member, a second stand member, a joint pivotably connecting the first with the second stand member, a cam plate rotatably fixed to the first stand member, a load transmission lever, an abutment pivotably supporting the load transmission lever at the second stand member, a load reservoir, acting on the second stand member and on the load transmission lever in order to exert a force F | 06-10-2010 |
20100130869 | METHOD AND APPARATUS FOR DISPLAYING A FIELD OF A BRAIN OF A PATIENT AND NAVIGATION SYSTEM FOR BRAIN SURGERY - A method and an apparatus for displaying a part of a brain of a patient is provided. Laser Doppler images are acquired before and after a stimulation. The laser Doppler images comprise information about a blood motion or about a perfusion at the acquired part. Then, the blood motion images acquired before and after the stimulation are compared to identify areas in the brain of the patient which are related to the stimulation. The identified areas are displayed in dependence of topography data representing a topography of the brain. | 05-27-2010 |
20100110538 | MICROSCOPE SYSTEM - Disclosed is a microscope system ( | 05-06-2010 |
20100061604 | MEDICAL SYSTEMS AND METHODS - This disclosure generally relates to medical systems and methods. In one aspect of the invention, a method includes determining a fluorescent light intensity at one or more points on each of multiple recorded images, and producing an image based on the determined fluorescent light intensity at the one or more points. | 03-11-2010 |
20100044583 | FILTER SET FOR OBSERVING FLUORESCENCE RADIATION IN BIOLOGICAL TISSUE - A filter set for observing fluorescent radiation in biological tissue includes at least one illumination filter and at least one observation filter. The at least one illumination filter is arrangeable in an illumination system of an optical system. The at least one least one observation filter is arrangeable in an imaging system of the optical system. | 02-25-2010 |
20090323181 | SURGICAL MICROSCOPY SYSTEM AND IMAGING METHOD - A surgical microscopy system having an illumination system is provided. The illumination system comprises a xenon gas discharge lamp and a spectral filter which is optionally positionable into an illumination beam path of the surgical microscopy system and removable from the same. The spectral filter substantially exhibits, in a wavelength range between 400 nm and 700 nm, a transmission increasing from about 0.12 to 1 having a gradient between 0.025/nm and 0.0035/nm, in particular 0.00293/nm. Thus, the illumination system is enabled to provide light having two different spectral characteristics which is advantageous in particular for imaging structures in the human eye scattering to a different degree. | 12-31-2009 |
20090257065 | SURGICAL MICROSCOPY SYSTEM HAVING AN OPTICAL COHERENCE TOMOGRAPHY FACILITY - A surgical microscopy system is provided wherein an optical coherence tomography facility is integrated into a microscopy system. A beam of measuring light formed by collimating optics of an OCT system is deflected by a beam scanner, traverses imaging optics, and is reflected by a reflector such that the beam of measuring light traverses an objective lens of microscopy optics and is directed to an object region of the microscopy optics. A position of the beam of measuring light being incident on the reflector is substantially independent on a direction into which the beam of measuring light is deflected by the beam scanner. When traveling through the beam scanner, the beam of measuring light is comprised of a bundle of substantially parallel light rays. | 10-15-2009 |
20090168166 | Stereoscopic Optical System And Method For Production Of A Stereoscopic Optical System - The invention relates to a stereoscopic optical system ( | 07-02-2009 |
20090155735 | DENTAL TREATMENT OR EXAMINATION APPARATUS - A dental apparatus uses a white light interferometer ( | 06-18-2009 |
20090129051 | MEDICAL ILLUMINATION UNIT - A medical illumination unit ( | 05-21-2009 |
20090059363 | MICROSCOPE SYSTEM - A microscope system for imaging an object which can be arranged in an object plane of the microscope system, which includes an imaging system, a displacement device and a controller is described. The imaging system may provide at least one optical imaging path for imaging an imaging field of the object plane. The displacement device may be adapted to translatory displace the imaging field of the imaging system in the object plane. The controller is adapted to determine a desired displacement of the imaging field in the object plane and to correspondingly control the displacement device. | 03-05-2009 |
20090059359 | SECONDARY LIGHT SOURCE - A secondary light source is provided comprising a narrowband light source ( | 03-05-2009 |
20090058608 | METHOD FOR CONNECTING WIRELESS ELECTRIC ACTUATING DEVICES TO A MEDICAL APPLIANCE - Method for connecting wireless electric actuating devices ( | 03-05-2009 |
20090054788 | METHOD AND APPARATUS FOR DISPLAYING A FIELD OF A BRAIN OF A PATIENT AND NAVIGATION SYSTEM FOR BRAIN SURGERY - A method and an apparatus for displaying a part of a brain of a patient is described. Laser-Doppler-images are acquired before and after a stimulation. The laser-Doppler-images include information about a blood motion or about a perfusion at the acquired part. Then, the blood motion images acquired before and after the stimulation are compared to identify areas in the brain of the patient which are related to the stimulation. | 02-26-2009 |
20090020666 | STAND ARRANGEMENT AND STAND FOR A MEDICO-OPTICAL INSTRUMENT | 01-22-2009 |
20080212171 | Microscopy System - The invention relates to a microscopy system for representing an object that can be placed on an object plane ( | 09-04-2008 |