14 results about "Examination procedure" patented technology

This invention discloses a 4D-CT-based method for visualizing lung perfusion, belonging to the field of intelligent medical technology. The method includes: acquiring 4D-CT scan data of a patient's lungs; acquiring the patient's cardiac waveform based on the scan data; acquiring the patient's lung waveform based on the scan data; performing correlation analysis on the cardiac and lung waveforms to obtain a correlation coefficient; and outputting a time-series color image of lung perfusion based on the correlation coefficient. This invention can directly utilize conventional breath-hold 4D-CT volumetric data, intuitively presenting the propagation characteristics of lung perfusion without the need for additional hardware or examination procedures. This method does not require the injection of contrast agents, completely avoiding the risks associated with contrast agents, and has better safety and repeatability. Furthermore, the overall calculation process is highly automated and has a short detection time, improving examination and evaluation efficiency to a certain extent.

The invention relates to at least one method and at least one localization system for localizing a portable component (6, 13) of an imaging system (1), wherein the portable component (6, 13) is arranged on a patient (8) for an examination procedure, comprising: - Emitting at least one optical localization signal (210, 211, 212) in an imaging area (12) of the imaging modality (11) by at least one optical transmitting element (201, 202, 203), - Receiving the at least one emitted optical localization signal (210, 211, 212) by at least one optical receiving element (220, 221, 222) which is arranged on the portable component (6, 13), - Transmission of at least one received optical localization signal (210, 211, 212) via an optical transmission link (230 - 235) to an electronic evaluation unit (240) which is located outside an examination room (250), and - Localization of the portable component (6 ,13) based on the at least one received optical localization signal (210, 211, 212) by the electronic evaluation unit (240).

A computer-implemented method for operating a magnetic resonance facility is provided. For thermal monitoring of an imaging component that is arranged close to a patient during an examination procedure, a monitoring value of a parameter that influences a temperature of the imaging component is ascertained in a monitoring monitor over a predefined period and is compared with a threshold value. At least one course of action is triggered when the threshold value is overshot. A plurality of monitoring monitors with different threshold values, respectively, is used for different periods.

An anaesthesia machine integrates the presence and state of charge of another medical device, such as a video laryngoscope, into operation. The anaesthesia machine communicates with the medical device to determine the presence and state of charge and present this information to a user as part of an examination procedure. A medical device mount is associated with the anesthesia machine to receive and charge the medical device. The medical device mount may include both a medical device charging mount and a battery charging mount that receives and charges a replacement battery. The medical device mount may communicate with the anesthesia machine to provide the charging and presence state of the medical device. During the examination procedure of the anaesthesia machine, presence and battery status information may be presented to the user, or the user may be prompted to manually enter this information into the anaesthesia machine.

The application discloses a method for creating a DH line of eggplant by using anther culture and application thereof, and relates to the technical field of plant breeding. The application establishes a morphological index of a flower bud based on a calyx lobe separation state, replaces a time-consuming microscope examination procedure, and optimizes a combination of heat treatment and low-temperature pretreatment, so that the embryoid induction rate is significantly improved. Finally, through strict ploidy identification and self-pollination purification, a DH line with consistent traits and stable heredity can be obtained, an efficient pure line source is provided for eggplant hybrid breeding, and efficient conversion from a heterozygous genotype plant to a homozygous DH line is realized.

The disclosure relates to methods and localization systems for localizing a portable component of an imaging system. For an examination procedure, the portable component is arranged on the patient. A localization method may include emitting an optical localization signal in an imaging area of the imaging modality by an optical transmitter, receiving the emitted optical localization signal by an optical receiver arranged on the portable component, transmitting the received optical localization signal by an optical transmission path to an electronic evaluation unit situated outside an examination room, and localizing the portable component by the electronic evaluation unit based on the received optical localization signal.

The disclosure relates to a computer-implemented method for operating a MRI facility. The MRI facility may include a user interface for configuring a series of measurement protocols to be implemented in an examination procedure on an object. The protocols are checked in checking procedure(s) for compliance with safety requirement(s) relating to the object and / or MRI facility. The protocols are executed only on compliance with each of the safety requirements. On receipt of a check readiness signal, which indicates a user input has been made specifying that a user has completed configuring a selected measurement protocol, the selected measurement protocol is labeled as ready for checking, so that at least one implementable checking procedure can already be implemented and / or is implemented before it is the turn of the measurement protocol. The implementation can be even while a user is configuring at least one further measurement protocol.

This invention belongs to the field of speech recognition technology. It discloses a system and method for generating gastrointestinal endoscopy reports based on medical speech recognition. The system includes a speech acquisition and processing module for acquiring real-time spoken speech from doctors during gastrointestinal endoscopy, performing adaptive noise reduction and mask occlusion compensation on the spoken speech, and outputting a speech segment sequence; a speech activity detection module for receiving the speech segment sequence, calculating the prior probability of speech activity based on the transition relationships of different operational states in the endoscopy procedure, and performing speech activity detection on the speech segment sequence based on the prior probability of speech activity to filter out speech event sequences consistent with the examination procedure; and a speech-image alignment module for transcribing the speech event sequences into medical speech, acquiring endoscopic images at corresponding times, and completing the ambiguous spoken content in the speech event sequence based on the endoscopic images to generate speech description data. This improves the automation level of examination recording.

The invention relates to a computer-implemented method for operating an imaging X-ray device (15), wherein a virtual patient model (7) is provided for an examination procedure of a patient. - the virtual patient model (7) of the patient, which describes at least the surface (6) of the patient, is determined based on patient information describing the patient, - a model position for the patient model (7) is determined in a coordinate system (10) of the X-ray device (15), in which the radiation distribution during an X-ray image of the examination procedure is also known, and - the patient model (7) is positioned according to the model position, wherein, to determine the position of the patient model (7), at least one X-ray image (1) of the examination procedure, which is taken at a current patient position of the patient in the X-ray device (15) and is available in the coordinate system (10) of the X-ray device (15), is supplied as input data to a trained position determination function (3), the output data of which describe an assignment of at least one distinguished point of the patient model (7) to at least one distinguished point of the X-ray image (1), wherein the model position is determined from the output data.

The invention relates to a computer-implemented method for operating an imaging X-ray apparatus for providing a virtual patient model for a patient examination procedure, determining a virtual patient model on the basis of patient information; determining a model position of the patient model in a coordinate system of the X-ray apparatus; and positioning the patient model in accordance with the model position, for determining the patient model position, at least one X-ray image recorded in a current patient position in the X-ray apparatus during the examination procedure and present in the coordinate system of the X-ray apparatus is input as input data into a trained position determination function, the output data of the position determination function specifying a correspondence between at least one salient point of the patient model and at least one salient point of the X-ray image, wherein the model position is determined from the output data. The invention also relates to an X-ray apparatus, a computer program product and an electronically readable data carrier.

A method for operating an X-ray device includes ascertaining a patient model of a patient that describes a surface of the patient, based on patient information. A model position is determined for the patient model in a coordinate system of the X-ray device, in which radiation distribution during an X-ray image acquisition of the examination procedure is also known. The patient model is positioned in accordance with the model position. An X-ray image of the examination procedure, which is acquired for a current patient position of the patient in the X-ray device and exists in the coordinate system of the X-ray device, is supplied as input data to a trained position determination function. Output data from the trained position determination function describes a mapping of a distinguished point of the patient model to a distinguished point of the X-ray image. The model position is determined from the output data.

The invention relates to a computer-implemented method for operating a magnetic resonance apparatus for imaging, comprising an operating device which provides a user interface for setting a sequence of measurement protocols to be carried out on an examination object during an examination process, wherein the measurement protocol is examined in at least one examination process in regard to whether at least one safety requirement relating to the examination object and / or the magnetic resonance device is followed, and is executed only if each of the at least one safety requirement is met, a measurement protocol is marked as check-ready, the check-ready signal displaying an ongoing user input describing an end of the user setting the selected measurement protocol for the check process, such that at least one of the at least one check process is executable. Before rounds to a measurement protocol for execution according to a sequence in the inspection process, the process is executable and / or executed.