CN215738933U - Heating bed device and magnetic resonance device with heating bed device - Google Patents

Heating bed device and magnetic resonance device with heating bed device Download PDF

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CN215738933U
CN215738933U CN202022867585.0U CN202022867585U CN215738933U CN 215738933 U CN215738933 U CN 215738933U CN 202022867585 U CN202022867585 U CN 202022867585U CN 215738933 U CN215738933 U CN 215738933U
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magnetic resonance
data interface
unit
temperature
hotbed
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斯特凡·比贝尔
赖纳·屈特
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Siemens Healthineers AG
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Siemens Healthineers AG
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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F7/00—Heating or cooling appliances for medical or therapeutic treatment of the human body
    • A61F7/02—Compresses or poultices for effecting heating or cooling
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/01—Measuring temperature of body parts ; Diagnostic temperature sensing, e.g. for malignant or inflamed tissue
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/05—Detecting, measuring or recording for diagnosis by means of electric currents or magnetic fields; Measuring using microwaves or radio waves 
    • A61B5/055—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
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B90/00—Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges
    • A61B90/36—Image-producing devices or illumination devices not otherwise provided for
    • A61B90/37—Surgical systems with images on a monitor during operation
    • A61B2090/374—NMR or MRI
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F7/00—Heating or cooling appliances for medical or therapeutic treatment of the human body
    • A61F2007/0095—Heating or cooling appliances for medical or therapeutic treatment of the human body with a temperature indicator
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
    • A61G11/00—Baby-incubators; Couveuses

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  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • General Health & Medical Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
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  • Molecular Biology (AREA)
  • Surgery (AREA)
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  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
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  • Magnetic Resonance Imaging Apparatus (AREA)

Abstract

The utility model is based on a hotbed device for use with a magnetic resonance system, comprising a temperature control unit and a patient accommodation unit, wherein the hotbed device has a sensor unit comprising at least one first temperature sensor. Furthermore, the utility model relates to a magnetic resonance system with a hotbed system.

Description

Heating bed device and magnetic resonance device with heating bed device
Technical Field
The utility model relates to a hotbed device for use with a magnetic resonance system, comprising a temperature control unit and a patient accommodation unit. The utility model also relates to a magnetic resonance system having: a scanner unit; a patient receiving area at least partially enclosed by a scanner unit; an examination couch movable within a patient receiving area; and a thermal bed device, in particular an incubator device, which can be introduced into the patient accommodation region by means of the examination table.
Background
For magnetic resonance examination of young children and/or infants, in particular premature infants, hotbed devices are generally used in order to correspondingly temper the environment for young children and/or infants, in particular premature infants. However, it is also particularly relevant in magnetic resonance examinations of young children, in particular infants, to comply with SAR limits (specific absorption rate limits).
In this case, the ambient temperature should be taken into account when determining the SAR limit values for magnetic resonance examinations of young children and/or infants, in particular premature infants, since this ambient temperature together determines the warming of the human body on its surface when calculating the SAR values. The higher the ambient temperature, the smaller the SAR input that is allowed to pass through the magnetic resonance examination. In order to keep the SAR limit values low during a magnetic resonance examination of a young child, in particular of a baby, a time safety interval is usually inserted between the individual magnetic resonance measurements of the magnetic resonance examination. However, this leads to an undesirably increased examination duration.
SUMMERY OF THE UTILITY MODEL
The utility model is based on the object, inter alia, of following SAR limit values as accurately and simply as possible in the magnetic resonance examination of young children, in particular infants. The object is achieved by a hotbed device and a magnetic resonance device. Advantageous embodiments are described below.
The utility model is based on a hotbed device for use with a magnetic resonance device, comprising a temperature control unit and a patient accommodation unit. According to the utility model, the hot bed device comprises a sensor unit with at least one first temperature sensor.
In this context, a hotbed device is to be understood as meaning in particular the following devices: the device is preferably designed to accommodate young and/or premature infants, and the device preferably has a temperature control unit for controlling the temperature of the environment, in particular of the patient accommodation unit. The hot bed apparatus can for example comprise an incubator apparatus. The hotbed device is preferably designed and/or designed such that it can be positioned for a magnetic resonance examination on a patient support device of the magnetic resonance device, in particular on a patient table of the patient support device, and can be introduced into a patient receiving region of the magnetic resonance device by means of the patient support device, in particular the patient table of the patient support device. In this case, the hotbed device is particularly dimensioned such that it can be introduced into the patient accommodation region without collision. Furthermore, the hot bed apparatus is preferably constructed so as to be magnetically resonance-compatible.
The patient receiving unit preferably has a positioning region and/or a support region for positioning and/or supporting a young child and/or an infant, in particular a premature infant. The patient accommodation unit advantageously comprises a support floor and/or a positioning floor for supporting and/or positioning a young child and/or an infant, in particular a premature infant. The patient receiving unit can be designed with a soft and/or soft support and/or positioning floor for supporting and/or positioning a young child and/or an infant, in particular a premature infant. The support floor and/or the positioning floor preferably have a peripheral frame, so that the support region and/or the positioning region of the patient receiving unit has a lateral peripheral frame for protecting the infant and/or the baby.
Furthermore, the hotbed device, in particular the patient accommodation unit of the hotbed device, can be designed to be open upward. Alternatively, the hotbed device, in particular the patient receiving unit of the hotbed device, can also have an enclosed and/or closed receiving space for positioning and/or supporting a child and/or an infant, in particular a premature infant, for example when the hotbed device is designed as an incubator device.
The temperature control unit preferably comprises at least one thermal element and/or heating element which is designed and/or designed for heating the patient receiving unit. Particularly advantageously, the temperature control unit, in particular the at least one thermal element, is designed and/or designed for heating a support and/or positioning floor, which is designed and/or designed for supporting and/or positioning a young child and/or an infant, in particular a premature infant. In this case, the temperature control unit, in particular the at least one thermal element, can be integrated and/or arranged in a support floor and/or positioning floor of the patient accommodation unit. Alternatively, the heat generating element of the temperature control unit, for example an electric heating element, can also be arranged outside the positioning unit, so that when the thermal bed apparatus is used for a magnetic resonance examination, the heat generating element of the temperature control unit can also be arranged outside the patient receiving region of the magnetic resonance apparatus. The temperature control unit preferably has a thermal conduction which conducts heat from the heat generating element into the patient receiving unit, i.e. out of the patient receiving area into the patient receiving area, in particular into the patient receiving unit.
According to the utility model, the hot bed device comprises a sensor unit with at least one first temperature sensor. The first temperature sensor is preferably arranged in the patient accommodation unit. The first temperature sensor can be designed, for example, as an NTC (NTC resistor or NTC thermistor; negative temperature coefficient thermistor) and/or as a PTC (PTC resistor or PTC thermistor; positive temperature coefficient thermistor). Furthermore, at any time, other designs of the first temperature sensor are possible which appear to be meaningful to the person skilled in the art.
By means of the embodiment of the utility model, the temperature in the immediate environment of the infant and/or the baby, in particular the premature baby, in the hotbed device can advantageously be detected and taken into account particularly precisely and directly during the magnetic resonance examination. In this case, by means of an accurate temperature detection, the SAR load for a child located in the hotbed facility and/or for an infant located in the hotbed facility, in particular a premature infant, can be determined particularly simply, so that limit values, in particular SAR limit values, can also be monitored and/or followed during the magnetic resonance examination. In this case, the temperature of the environment, in particular the temperature of the ambient air, of the infant and/or of the baby, in particular of the premature infant, can be taken into account particularly advantageously in the determination of the SAR value. In particular, this can advantageously also eliminate inaccurate detection of the temperature by a temperature sensor of a scanner unit of the magnetic resonance apparatus, which is arranged in the opening region of the patient receiving region, so that undesirable errors are also reduced and/or prevented when determining the SAR load for young children, in particular infants, during the magnetic resonance examination.
In an advantageous development of the hotbed device according to the utility model, it can be provided that the first temperature sensor is arranged at the patient accommodation unit in such a way that the temperature of the environment of the support region of the patient accommodation unit can be detected by means of the first temperature sensor. The environment of the support region and/or the positioning region of the patient accommodation unit preferably comprises the following regions: the region comprises the ambient air of the support region and/or the positioning region. If the thermal bed device is designed as an incubator device, the patient accommodation unit can comprise, for example, a closed region which is surrounded by an incubator housing. The support region and/or the positioning region of the patient receiving unit is therefore arranged in the enclosed region or is enclosed by the oven housing. In this case, the first temperature sensor is arranged in the patient accommodation unit, for example at the oven housing. Alternatively or additionally, the first temperature sensor can be arranged on a unit and/or element facing the support region and/or the positioning region, for example a frame of the support region and/or the positioning region.
The embodiment of the utility model enables a particularly direct and accurate detection of the temperature of the ambient air of the patient accommodation unit during a magnetic resonance examination. In this way, the SAR load of the infant and/or the baby, in particular the premature baby, can be monitored and/or controlled at all times during the magnetic resonance examination of the infant and/or the baby, in particular the premature baby. In particular, the detection of the temperature in the immediate environment of the infant and/or baby, in particular a premature infant, is particularly advantageous when the hotbed device is designed as an incubator device, so that only an insufficient temperature detection by means of the temperature sensor of the magnetic resonance device can be dispensed with. Such a temperature sensor of the magnetic resonance system is designed to detect the temperature of the patient receiving region of the magnetic resonance system and is therefore arranged outside the hotbed system, so that the temperature of the patient receiving unit of the hotbed system, in particular of the support region and/or the positioning region, can only be detected insufficiently here.
In an advantageous development of the hotbed device according to the utility model, it can be provided that the sensor unit has a second temperature sensor, wherein the second temperature sensor is arranged on the support floor and/or the positioning floor of the patient accommodation unit. The support and/or positioning base of the patient accommodation unit is designed for supporting and/or positioning a baby and/or an infant, in particular a premature infant. In this case, the support floor and/or the positioning floor can also comprise heating elements and/or heat-conducting elements for tempering, in particular heating, the support floor and/or the positioning floor. The second temperature sensor can be designed, for example, as an NTC and/or a PTC. In this case, by providing the second temperature sensor of the sensor unit at the support floor and/or the positioning floor of the patient support unit, the temperature can advantageously be detected in a region of the hotbed device that is further away from the environment of the support region of the patient support unit. This enables a particularly accurate detection of the temperature profile in a hot bed apparatus, in particular an incubator apparatus, during a magnetic resonance examination. This enables the SAR load of the infant and/or the baby, in particular the premature baby, to be monitored and/or controlled from the detected temperature data throughout the magnetic resonance examination of the infant and/or the baby, in particular the premature baby. This arrangement of the second temperature sensor makes it possible to detect the temperature of the support floor and/or the positioning floor directly, so that with the aid of the detected temperature values, the energy extracted by thermal conduction and/or radiation of the body of a child, in particular an infant, can advantageously be determined.
In an advantageous development of the hotbed device according to the utility model, it can be provided that the hotbed device comprises a data interface which is designed for data transmission with the magnetic resonance device. The data interface preferably comprises a communication interface and is designed and/or designed for communicating data exchange between the sensor unit of the hotbed device, in particular of the incubator device, and the magnetic resonance device, in particular the evaluation unit and/or the computation unit of the magnetic resonance device. The data interface, in particular the communication interface, is preferably designed to communicate with a data interface, in particular a communication interface, of the magnetic resonance system. The data interface, in particular the communication interface, of the hotbed device can be designed as an analog data interface. Furthermore, the data interface, in particular the communication interface, of the hotbed device CAN also be designed as a digital data interface, for example as an I2C data interface (inter-integrated circuit data interface) and/or as a CAN data interface (controller area network data interface) and/or as an SPI data interface (serial peripheral interface data interface) and/or as an RS485 data interface and/or as other data interfaces which appear to be expedient to the person skilled in the art. Furthermore, the data interface, in particular the communication interface, of the hotbed device can also comprise a radio frequency data interface (HF data interface) or an optical data interface. For example, the data interface, in particular the communication interface, of the hotbed device can be designed as a plug connector, wherein the plug connector is designed to be compatible with a plug connector receptacle of a plug connector for receiving a local radio-frequency antenna unit of the magnetic resonance device, so that the data interface can be integrated into an already existing data interface system of the magnetic resonance device in a particularly space-saving manner.
By means of data transmission, the temperature data detected by the sensor unit are preferably transmitted to an evaluation unit and/or a calculation unit of the magnetic resonance system, in particular of the magnetic resonance system. The calculation unit and/or the evaluation unit of the magnetic resonance apparatus are designed to evaluate the temperature data detected by the sensor unit of the hotbed apparatus.
By means of the described embodiment of the hotbed device, in particular of the incubator device, a simple and direct data transmission of, in particular, temperature data of the hotbed device, in particular of the incubator device, can be advantageously achieved during a magnetic resonance examination of a young child and/or an infant, in particular of a premature infant, for monitoring SAR limit values during the magnetic resonance examination.
Furthermore, the utility model is based on a magnetic resonance system having: a scanner unit; a patient receiving area at least partially enclosed by a scanner unit; an examination couch movable within a patient receiving area; and a hotbed device, which can be introduced into the patient accommodation region by means of the examination table.
The magnetic resonance apparatus is preferably formed by a medical magnetic resonance apparatus, which constitutes medical image data for examination of a patient. The scanner unit of a magnetic resonance apparatus typically comprises a basic magnet. The basic magnet is designed to generate a strong, homogeneous and constant basic magnetic field, wherein the basic magnet is designed such that the strong, homogeneous and constant basic magnetic field is applied in a patient accommodation region, in particular a field of view (FOV), of the magnetic resonance apparatus. Furthermore, the scanner unit preferably comprises a gradient coil unit. The gradient coil units are designed and/or designed for generating magnetic field gradients for position encoding in a patient accommodation region, in particular in a FOV, during magnetic resonance imaging. The scanner unit preferably further comprises a radio frequency antenna unit, wherein the radio frequency unit is firmly integrated within the scanner unit. By means of the radio-frequency antenna unit, a radio-frequency magnetic resonance sequence can advantageously be generated during a magnetic resonance examination and emitted and/or emitted into a patient accommodation region, in particular into the FOV, for excitation.
The magnetic resonance apparatus further comprises a patient receiving region which is at least partially enclosed by the scanner unit. For example, the patient receiving region can be cylindrically enclosed by the scanner unit. The patient receiving region is designed and/or designed to receive a patient and/or to receive a region of the patient to be examined during a magnetic resonance examination. The patient support apparatus is typically movably disposed within the patient receiving area. In particular, the table of the patient support device is arranged movably in the z-direction of the scanner unit and/or in the direction of the longitudinal extent of the patient receiving region. By means of the patient support device, in particular the movable examination table, a patient, in particular a region of the patient to be examined, can be introduced and/or moved into a patient accommodation region for a magnetic resonance examination and/or positioned in the patient accommodation region for the magnetic resonance examination.
For magnetic resonance examinations of young children and/or infants, in particular premature infants, it is customary to position a hotbed device, in particular an incubator device, on the examination couch of the patient support device. For this purpose, the geothermal bed system, in particular the incubator system, is preferably designed to be compatible with magnetic resonance.
By means of the described embodiment of the magnetic resonance apparatus according to the utility model, the temperature in the immediate environment of the infant and/or the baby, in particular the premature baby, in the hotbed apparatus can advantageously be detected and taken into account particularly precisely and directly during the magnetic resonance examination. In this case, by means of an accurate temperature detection, the SAR load for a child located in the hotbed facility and/or for an infant located in the hotbed facility, in particular a premature infant, can be determined particularly simply, so that limit values, in particular SAR limit values, can also be monitored and/or complied with during the magnetic resonance examination. In this case, the temperature of the environment, in particular the temperature of the ambient air, of the infant and/or of the baby, in particular of the premature infant, can be taken into account particularly advantageously in the determination of the SAR value. In particular, inaccurate detection of the temperature by a temperature sensor of a scanner unit of the magnetic resonance apparatus, which is arranged in the region of the opening of the patient receiving region, can thus also be advantageously dispensed with, so that undesirable errors are reduced and/or prevented also when determining the SAR load for young children, in particular babies, during the magnetic resonance examination.
The advantages of the magnetic resonance apparatus according to the utility model substantially correspond to the advantages of the hotbed apparatus according to the utility model explained in detail above. Features, advantages, or alternative embodiments mentioned herein are equally applicable to other claimed subject matter, and vice versa.
In an advantageous development of the magnetic resonance apparatus according to the utility model, it can be provided that the magnetic resonance apparatus has a data interface, wherein the data interface is designed to cooperate with a data interface of the hotbed apparatus. In this context, a data interface which is assigned to a data interface of the hotbed device is to be understood in particular as a data interface which is: the data interface of the magnetic resonance system and the data interface of the hotbed system are coordinated with one another such that data exchange between the magnetic resonance system and the hotbed system, in particular the sensor unit of the hotbed system, can take place by means of the two data interfaces. In this case, the two data interfaces are preferably designed to be matched in terms of physical design and/or to be coordinated with one another. For example, the data interface of the hotbed device can be designed as a connector, wherein the data interface of the magnetic resonance device is preferably designed as a connector receptacle. Furthermore, the configuration of the data interface of the hotbed device as a hardware interface is preferably coordinated with the configuration of the interface of the magnetic resonance device as a hardware data interface. For example, the two data interfaces CAN be designed as an I2C data interface and/or as a CAN data interface and/or as an SPI data interface and/or as an RS485 data interface and/or as other hardware data interfaces which appear to be of interest to the person skilled in the art.
The design of the magnetic resonance system makes it possible to transmit the temperature data detected by means of the hotbed system, in particular the sensor unit of the hotbed system, simply to the calculation unit and/or the evaluation unit of the magnetic resonance system, in particular of the magnetic resonance system, so that the current SAR load during a magnetic resonance examination of a young child and/or an infant, in particular a premature infant, within the magnetic resonance system can always be determined, in particular by means of the evaluation unit and/or the calculation unit. In particular, this advantageously increases the safety during the magnetic resonance examination, since the critical SAR load can be determined directly during the magnetic resonance examination, so that corresponding countermeasures for reducing the SAR load can also be taken.
In an advantageous development of the magnetic resonance apparatus according to the utility model, it can be provided that the magnetic resonance apparatus has a local coil plug receptacle and/or a trigger input, wherein the data interface is provided and/or integrated in the local coil plug receptacle and/or the trigger output. Furthermore, the data interface of the magnetic resonance system for data exchange with the hotbed system, in particular with the sensor unit of the hotbed system, can also be designed as a local coil plug receptacle and/or as a trigger input.
If the data interface of the magnetic resonance system is integrated and/or arranged in the local coil plug receptacle, the already existing data interface can advantageously be used for transmitting the temperature data of the hotbed device, thereby saving additional installation space. The local coil receptacle forms a receptacle for receiving a local coil which is arranged around a region of a patient to be examined during a magnetic resonance examination for magnetic resonance data detection. In this case, the data interface of the hotbed device is preferably designed like a local coil connector.
If the data interface of the magnetic resonance system is integrated and/or provided in the trigger input, the already existing data interface can advantageously be used for transmitting the temperature data of the hotbed device, thereby saving additional installation space.
By means of this embodiment of the magnetic resonance system, a particularly compact magnetic resonance system can be provided, since the already existing data interface of the magnetic resonance system can be used for data transmission between the magnetic resonance system and the sensor unit of the hotbed system, in particular of the incubator system.
In an advantageous further development of the magnetic resonance apparatus according to the utility model, it can be provided that the data interface comprises an analog data interface. In this case, the analog data interface of the magnetic resonance system can be designed such that voltage and/or current values of the sensor units of the hotbed system, in particular of the first and/or second temperature sensors, can be read by means of the data interface of the magnetic resonance system directly by means of the data interface of the hotbed system. Alternatively or additionally, a further read-out electronics can be provided between the sensor unit of the hotbed device, in particular the first temperature sensor and/or the second temperature sensor, and the data interface, and the read-out temperature data can be transmitted to the magnetic resonance device by means of the data interface.
In an advantageous further development of the magnetic resonance apparatus according to the utility model, it can be provided that the data interface comprises a digital data interface. For example, a digital data interface of the magnetic resonance system can be read before the beginning of the magnetic resonance measurement and/or between individual magnetic resonance measurements, so that the temperature profile in the hotbed system, in particular in the incubator system, can be detected, but the magnetic resonance examination is not disturbed in this case. Furthermore, the digital data interface can be designed such that temperature data can be read during the magnetic resonance measurement. Furthermore, the digital data interface can preferably be integrated in the local coil plug receptacle, wherein the digital data interface for the transmission of temperature data comprises a separate cable in the local coil plug receptacle, wherein the separate cable is formed separately from the read electronics for reading the local coil, which is arranged in the hotbed device, in particular in the incubator device.
The digital data interface of the magnetic resonance system CAN be designed, for example, as a CAN data interface and/or as a SPI data interface and/or as an RS485 data interface and/or as other digital data interfaces which appear to be useful to a person skilled in the art. The digital data interface is particularly advantageously designed as an I2C data interface which can be integrated particularly easily in the local coil connector receptacle, since the local coil connector receptacle can already be designed as an I2C data interface.
In an advantageous further development of the magnetic resonance apparatus according to the utility model, it can be provided that the data interface comprises an HF data interface (radio frequency data interface) and/or an optical data interface. In this case, the data interface of the magnetic resonance system is designed as an HF data interface, which can convert the temperature signal into an HF signal, wherein the temperature value can be determined and/or read as a function of the frequency of the HF signal and/or the modulation of the HF signal and/or the amplitude of the HF signal. In this way, the already existing HF line for transmitting the HF signal can be used for data exchange between the hotbed device, in particular the sensor unit of the hotbed device, and the magnetic resonance device. Since the data interface of the magnetic resonance system is designed as an optical data interface, a particularly robust data interface for data transmission between the hotbed device and the magnetic resonance system can be provided, wherein the optical data interface is less sensitive to interaction with the radio-frequency radiation and/or a radio-frequency unit of the magnetic resonance system for transmitting and/or receiving radio-frequency signals.
In an advantageous further development of the magnetic resonance system according to the utility model, it can be provided that the data interface is designed such that, when the data interface of the hotbed device is coupled to the data interface of the magnetic resonance system, the sensor unit of the hotbed device is automatically identified in the magnetic resonance system. For this purpose, the magnetic resonance apparatus preferably has an evaluation unit and/or a computation unit which is designed and/or designed for evaluating the signals detected by the data interface of the magnetic resonance apparatus. In this case, for example, a sensor unit of a hotbed device, in particular a hotbed device, which is coupled to and/or connected to the magnetic resonance device by means of the data interface, can be detected and/or identified as a function of a signal change at a data interface provided for the hotbed device. For this purpose, the evaluation unit and/or the computation unit can have corresponding units, in particular hardware units and/or software units, for automatically and/or autonomously identifying the sensor unit of the hotbed device at the data interface of the magnetic resonance device. This advantageously prevents the sensor unit of the hotbed device and/or the coupling state of the sensor unit to the magnetic resonance device from being recognized by a manual input of the medical operator, so that a high level of operating comfort is provided for the user, in particular for the medical operator. In this way, in particular, a data transmission between the sensor unit of the hotbed device and the evaluation unit and/or the computation unit of the magnetic resonance device can be automatically activated.
Furthermore, it can be provided that the user, in particular a medical operator, after connecting and/or coupling the sensor unit of the hotbed device by means of the two data interfaces, must again confirm the identification and/or detection of the sensor unit in the evaluation unit and/or the computation unit in order to activate the data transmission between the sensor unit of the hotbed device and the evaluation unit and/or the computation unit of the magnetic resonance device.
Furthermore, it can be provided that the hotbed device is coupled to the magnetic resonance device by means of a data interface of the hotbed device, wherein the data interface is designed to transmit temperature data to the magnetic resonance device during a magnetic resonance examination, wherein the magnetic resonance device comprises a computing unit, which is designed to generate output information from the temperature data and to output it.
In this case, the coupling of the thermal bed device to the magnetic resonance device is to be understood in terms of data exchange and/or data transmission of the thermal bed device, in particular of the thermostat unit, to the magnetic resonance device. In this case, the coupling is to be understood in particular in terms of data exchange and/or in terms of data transmission, in particular in terms of data transmission of temperature data of a sensor unit of the hotbed device having at least one temperature sensor to the magnetic resonance device. The coupling between the hotbed device and the magnetic resonance device takes place by means of two data interfaces, wherein the two data interfaces are designed in a manner matched to one another.
The detection of the temperature data by means of the hotbed device is preferably carried out by means of a sensor unit of the hotbed device. For this purpose, the sensor unit has at least one temperature sensor.
The evaluation of the temperature data is preferably carried out by means of an evaluation unit and/or a calculation unit of the magnetic resonance apparatus. Preferably, the temperature data are evaluated automatically and/or autonomously by means of the evaluation unit and/or the calculation unit as long as they are present. The evaluation of the temperature data preferably comprises determining a current SAR value during the magnetic resonance examination, so that a current SAR load for the patient, in particular a young child and/or infant, can always be determined and/or monitored during the magnetic resonance examination. Furthermore, the evaluation of the temperature data and the determination of the current SAR load can comprise a comparison of the current SAR value with threshold values and/or limit values, in order to be able to evaluate the safety risk for the patient, in particular the young child and/or the infant, during the magnetic resonance examination in a sensible manner.
The output information is preferably generated by means of an evaluation unit and/or a calculation unit of the magnetic resonance apparatus. Preferably, the generation of the output information takes place automatically and/or autonomously by means of the evaluation unit and/or the calculation unit. The output information can comprise, for example, the current SAR value and/or the current SAR load, so that the user, in particular a medical operator, is always provided with information about the current SAR load of the patient, in particular of a young child and/or of an infant.
The evaluation unit and/or the calculation unit comprises at least one calculation module and/or a processor, wherein the evaluation unit and/or the calculation unit is designed to evaluate the temperature data and to generate output information from the temperature data. The evaluation unit and/or the calculation unit are thus designed, in particular, to execute computer-readable instructions for evaluating the temperature data and for generating output information from the temperature data. In particular, the evaluation unit and/or the calculation unit comprise a memory unit, wherein computer-readable information is stored on the memory unit, wherein the evaluation unit and/or the calculation unit is designed to load the computer-readable information from the memory unit and to execute the computer-readable information in order to perform the evaluation of the temperature data and to generate the output information from the temperature data.
The components of the evaluation unit and/or the computation unit can be formed mostly in the form of software components. In principle, however, the components can also be implemented in part, in particular when particularly fast calculations are involved, in the form of software-assisted hardware components, for example FPGAs or the like. Likewise, the required interfaces can be configured as software interfaces, for example, if only the reception of data from other software components is involved. However, the interface can also be designed as a hardware-based interface which is controlled by suitable software. Of course, it is also conceivable for several of the components to be implemented in combination in the form of a single software component or a software-assisted hardware component.
The output of the output information is preferably performed by means of an output unit of a user interface of the magnetic resonance apparatus.
By means of the method according to the utility model, a high level of safety can advantageously be provided for patients, in particular young children and/or infants, during a magnetic resonance examination. In particular, the temperature monitoring in this way enables limit values to be adhered to during the magnetic resonance examination, and furthermore enables time-saving image data acquisition with high image quality. In particular, the temperature in the immediate environment of the infant and/or the baby, in particular the premature baby, in the hotbed device can thus be detected and taken into account particularly precisely and directly during the magnetic resonance examination. In this case, by means of an accurate temperature detection, the SAR load for a child located in the hotbed facility and/or for an infant located in the hotbed facility, in particular a premature infant, can be determined particularly simply, so that limit values, in particular SAR limit values, can also be monitored and/or followed during the magnetic resonance examination.
In an advantageous further development of the magnetic resonance apparatus according to the utility model, it can be provided that the evaluation of the temperature data comprises: if the limit value is exceeded, the magnetic resonance examination is terminated in advance. In this case, the limit values preferably include SAR limit values which indicate the maximum permissible SAR load during the magnetic resonance examination, in particular for young children and/or infants. In this case, the early termination of the magnetic resonance examination can be carried out automatically and/or autonomously by means of an evaluation unit and/or a calculation unit of the magnetic resonance apparatus. Furthermore, the early termination of the magnetic resonance examination can also be carried out manually by a user, in particular a medical operator, wherein for this purpose the exceeding of a limit value, in particular a SAR limit value, is indicated to the user and/or a corresponding operating instruction is obtained with regard to the early termination of the magnetic resonance examination. If a limit value, in particular a SAR limit value, is exceeded, measures for reducing the SAR load, for example a measurement pause, can also be carried out instead of an early termination of the magnetic resonance examination. In this case, such measures can be carried out automatically and/or autonomously by means of the computing unit and/or the evaluation unit. Furthermore, such measures can also be provided for the user to choose from, so that the user can select the appropriate measure.
By means of the described design, a high level of safety can advantageously be provided for young children and/or infants during a magnetic resonance examination.
In an advantageous further development of the magnetic resonance apparatus according to the utility model, it can be provided that the output information comprises a warning. For example, a warning can be output as soon as a limit value, in particular a critical limit value of the SAR load, is exceeded. Furthermore, if the current SAR load, although not yet exceeding the SAR limit value, approaches the SAR limit value, a warning is also output. This enables a user, in particular a medical operator, to take and/or perform corresponding countermeasures during a magnetic resonance examination. Such countermeasures can include, for example, an early measurement interruption and/or a measurement pause.
Drawings
Further advantages, features and details of the utility model emerge from the examples described below and from the figures.
The figures show:
figure 1 shows a magnetic resonance apparatus according to the utility model in a schematic view,
fig. 2 shows in a schematic view an incubator apparatus according to the utility model, an
Fig. 3 shows a method according to the utility model for monitoring the temperature of a hotbed device during a magnetic resonance examination.
Detailed Description
A magnetic resonance apparatus 10 is schematically shown in fig. 1. The magnetic resonance apparatus 10 comprises a scanner unit 11 formed by a magnet unit. Furthermore, the magnetic resonance apparatus 10 has a patient receiving region 12 for receiving a patient 13. The patient receiving region 12 in the present exemplary embodiment is cylindrical and is surrounded in the circumferential direction by the scanner unit 11, in particular by the magnet unit, in a cylindrical manner. In principle, however, different configurations of the patient receiving region 12 can be considered at any time. The patient 13 can be pushed and/or moved into the patient receiving region 12 by means of the patient support 14 of the magnetic resonance apparatus 10. For this purpose, the patient support device 14 has a table 15 which is movably arranged in the patient receiving region 12. In particular, the table 15 is mounted so as to be movable in the direction of the longitudinal extent of the patient receiving region 12 and/or in the z direction.
The magnetic resonance apparatus 10 has a temperature sensor 16 for detecting the temperature in the patient accommodation region 12. The temperature sensor 16 is arranged at an edge region and/or an opening region of the patient receiving region 12.
The scanner unit 11, in particular the magnet unit, comprises a superconducting basic magnet 17 for generating a strong and in particular constant basic magnetic field 18. Furthermore, the scanner unit 11, in particular the magnet unit, has a gradient coil unit 19 for generating magnetic field gradients for spatial encoding during imaging. The gradient coil unit 19 is controlled by means of a gradient control unit 20 of the magnetic resonance apparatus 10. The scanner unit 11, in particular the magnet unit, further comprises a radio frequency antenna unit 21 for exciting a polarization which occurs in the basic magnetic field 18 generated by the basic magnet 17. The radio frequency antenna unit 21 is controlled by a radio frequency antenna control unit 22 of the magnetic resonance apparatus 10 and injects radio frequency magnetic resonance sequences into the patient accommodation region 12 of the magnetic resonance apparatus 10.
For controlling the basic magnet 17, the gradient control unit 20 and for controlling the radio-frequency antenna control unit 22, the magnetic resonance apparatus 10 has a system control unit 23. The system control unit 23 centrally controls the magnetic resonance apparatus 10, for example, to perform a predetermined imaging gradient echo sequence. Furthermore, the system control unit 23 comprises an evaluation unit, not shown in detail, for evaluating medical image data detected during the magnetic resonance examination.
Furthermore, the magnetic resonance apparatus 10 comprises a user interface 24 connected to the system control unit 23. The control information, for example the imaging parameters and the reconstructed magnetic resonance image can be shown for the medical operator on a display unit 25 of the user interface 24, for example on at least one monitor. Furthermore, the user interface 24 has an input unit 26, by means of which information and/or parameters can be input by a medical operator during a measurement procedure.
The magnetic resonance system 10 also has a hotbed device 100, wherein the hotbed device 100 is shown in detail in fig. 2. In this embodiment, the hot bed apparatus 100 comprises an incubator apparatus 101. Incubator apparatus 101 is configured for accommodating infants and/or babies, particularly premature babies. For example, a premature infant can be subjected to a magnetic resonance examination in a heated environment by means of the incubator apparatus 101.
The thermal bed apparatus 100, in particular the incubator apparatus 101, comprises a patient accommodation unit 102. The patient receiving unit 102 is designed for receiving young children and/or infants, in particular premature infants, and has a corresponding support region 103 and/or positioning region. In the present exemplary embodiment, the patient receiving unit 102, in particular the support region 103 and/or the positioning region of the patient receiving unit 102, is/are formed so as to be closed upward. For this purpose, the hot-bed system 100, in particular the oven system 101, has an oven housing 104 which surrounds the support region 103 and/or the positioning region (fig. 2) to the outside. In an alternative embodiment of the hotbed device 100, in particular of the patient accommodation unit 102, the patient accommodation unit 102 can also be designed to be open at the top.
The patient receiving unit 102 also has a support base 105 and/or positioning base for supporting and/or positioning a young child and/or an infant, in particular a premature infant (fig. 2). The patient receiving unit 102 can be designed with a soft and/or soft support base 105 and/or positioning base for supporting and/or positioning a young child and/or an infant, in particular a premature infant.
The hot bed device 100, in particular the incubator device 101, also has a tempering unit 106 (fig. 2). The temperature control unit 106 is designed and/or designed to control and/or heat the patient receiving unit 102, in particular the support region 103 and/or the positioning region of the patient receiving unit 102. The temperature control unit 106 advantageously comprises at least one thermal element and/or heating element, not shown in detail, which is designed and/or designed for heating the patient receiving unit 102. The temperature control unit 106 can be arranged at least partially in the support floor 105 and/or the positioning floor of the patient accommodation unit 102. Furthermore, the thermal elements and/or heating elements can also be arranged outside the patient receiving unit 102, so that, when the thermal bed apparatus 100 is in use, the thermal elements and/or heating elements of the temperature control unit 106 can also be arranged outside the patient receiving region 12 of the magnetic resonance apparatus 10. The temperature control unit 106 preferably has a thermal conduction which conducts heat from the heat generating element into the patient receiving unit 102, i.e. out of the patient receiving area 12 into the patient receiving area 12, in particular into the patient receiving unit 102 of the hotbed device 100.
In order to detect the temperature in the patient accommodation unit 102, the thermal bed device 100, in particular the incubator device 101, has a sensor unit 107 (fig. 2) which comprises at least one first temperature sensor 108. The first temperature sensor 108 can be designed, for example, as an NTC and/or PTC and/or other temperature sensors 108 that appear to be relevant to the person skilled in the art.
In this case, the first temperature sensor 108 is arranged at the patient receiving unit 102 in such a way that the temperature of the region surrounding the support region 103 and/or the positioning region of the patient receiving unit 102 can be detected by means of the first temperature sensor 108. For this purpose, the first temperature sensor 108 is preferably arranged within the patient receiving unit 102 at the oven housing 104. During a magnetic resonance examination, in particular the temperature of the ambient air of a child and/or an infant can be detected in the patient receiving unit 102 by means of the first temperature sensor 108 (fig. 2).
In this embodiment, the sensor unit 107 of the hot bed apparatus 100, in particular of the incubator apparatus 101, has a second temperature sensor 109 (fig. 2). In this case, the second temperature sensor 109 is arranged at the patient receiving unit 102 in such a way that the temperature of the hotbed device 100, in particular of the incubator device 101, can be detected in a region of the patient receiving unit 102 that is further away from the ambient air by means of the second temperature sensor 109. In the present exemplary embodiment, the second temperature sensor 109 is arranged on the support base 105 and/or the positioning base of the patient receiving unit 102.
For the data transmission of the temperature data detected by means of the sensor unit 107, in particular by means of the first temperature sensor 108 and/or the second temperature sensor 109, to the magnetic resonance apparatus 10, in particular to the evaluation unit and/or the calculation unit 27 of the magnetic resonance apparatus 10, the hotbed apparatus 100, in particular the incubator apparatus 101, has a data interface 110.
The thermal bed system 100, in particular the oven system 101, is designed for arrangement on the examination table 15 of the patient support system 14 (fig. 1). For this purpose, the thermal bed device 100, in particular the incubator device 101, can have fixing and/or fastening elements, not shown in detail, for fixing and/or fastening the thermal bed device 100, in particular the incubator device 101, on the examination table 15 of the patient support device 14. For this purpose, the hot-bed apparatus 100, in particular the incubator apparatus 101, also has the following dimensions: the dimensions allow a collision-free introduction of the thermal bed device 100, in particular of the oven device 101, into the patient receiving region 12 of the magnetic resonance apparatus 10 by means of the examination table 15 of the patient support device 14.
Furthermore, the magnetic resonance apparatus 10 likewise has a data interface 28, which is designed for data transmission with a thermal bed apparatus 100, in particular with an oven apparatus 101 (fig. 1). In this case, the data interface 28 of the magnetic resonance apparatus 10 and the data interface 110 of the hot bed apparatus 100, in particular of the incubator apparatus 101, are designed to be adapted to one another and/or to be compatible with one another. The data interface 28 of the magnetic resonance system 10 can be designed and/or provided independently of other units, in particular of other data interfaces of the magnetic resonance system 10. Furthermore, the data interface 28 of the magnetic resonance system 10 can be provided and/or integrated in the local coil plug receptacle and/or the trigger input, so that a separate data interface 28 for data transmission of temperature data between the hotbed system 100, in particular the incubator system 101, and the magnetic resonance system 10 can be dispensed with.
In the present exemplary embodiment, the data interface 28 of the magnetic resonance apparatus 10 is integrated into a local coil socket receptacle 29 provided on the examination table 15. The data interface 110 of the hot bed device 100, in particular of the incubator device 101, is integrated in the local coil plug of the hot bed device 100, in particular of the incubator device 101, and/or is configured analogously to the local coil plug.
The data interface 28 of the magnetic resonance system 10 can be designed as an analog data interface 28 and/or can also be designed as a digital data interface 28. Here, the digital data interface 28 CAN comprise an I2C data interface and/or a CAN data interface and/or a SPI data interface and/or an RS485 data interface, and/or comprise other digital data interfaces 28 that appear to be meaningful to a person skilled in the art. Alternatively or additionally, the data interface 28 of the magnetic resonance apparatus 10 can comprise an HF data interface 28 and/or an optical data interface 28.
In this case, the data interface 28 of the magnetic resonance system 10 is designed such that, when the data interface 110 of the thermal bed system 100, in particular of the incubator system 101, is coupled to the data interface 28 of the magnetic resonance system 10, the sensor unit 107 of the thermal bed system 100, in particular of the incubator system 101, is automatically identified as a unit connected to the data interface 28 in the magnetic resonance system 10. In particular, the automatic detection of the coupling of the two data interfaces 28, 110 takes place in the evaluation unit and/or the computation unit 27 of the magnetic resonance apparatus 10. For example, the evaluation unit and/or the calculation unit 27 can detect and/or identify the coupling state of the thermal bed apparatus 100, in particular of the oven apparatus 101, from signal changes at the data interface 110 provided for the thermal bed apparatus 100, in particular of the oven apparatus 101.
The evaluation unit and/or the calculation unit 27 of the magnetic resonance apparatus 10 is designed and/or designed to evaluate the detected temperature data of the hotbed apparatus 100, in particular of the incubator apparatus 101. For this purpose, the evaluation unit and/or the calculation unit 27 has a processor and evaluation software and/or an evaluation program. The evaluation software and/or the evaluation program are stored in a memory unit of the evaluation unit and/or the calculation unit 27. The evaluation of the temperature data is performed when the evaluation software and/or the evaluation program is run by the processor. In an alternative embodiment of the evaluation unit and/or the computation unit 27, the memory unit can also be formed separately from the evaluation unit and/or the computation unit 27, wherein the evaluation unit and/or the computation unit 27 can access the memory unit via a data network.
In the present exemplary embodiment, the evaluation unit and/or the calculation unit 27 is integrated into the system control unit 23 of the magnetic resonance apparatus 10. In an alternative embodiment, the evaluation unit and/or the computation unit 27 can also be arranged in the magnetic resonance apparatus 10 independently of the system control unit 23.
In this case, the evaluation unit and/or the calculation unit 27 is designed such that, after detecting and/or detecting the coupling state of the data interface 110 of the thermal bed system 100, in particular of the incubator system 101, to the data interface 28 of the magnetic resonance system 10, the temperature data detected by means of the sensor unit 107 of the thermal bed system 100, in particular of the incubator system 101, in particular the temperature data detected by means of the first temperature sensor 108 and/or the second temperature sensor 109 of the thermal bed system, in particular of the incubator system, are also used for evaluating the temperature data and for determining the current SAR load of the infant and/or the baby, in particular of the premature baby. Conversely, if no coupling of the data interface 110 of the hot bed device 100, in particular of the incubator device 101, to the data interface 28 of the magnetic resonance device 10 is detected by the evaluation unit and/or the calculation unit 27, the temperature data of the temperature sensor 16 of the magnetic resonance device 10 can also be used to evaluate the temperature data and/or to determine the SAR load.
The illustrated magnetic resonance apparatus 10 can of course comprise further components which are typical of the magnetic resonance apparatus 10. Furthermore, the general manner of operation of the magnetic resonance apparatus 10 is known to the person skilled in the art, so that a detailed description of the other components is dispensed with.
Fig. 3 shows a method according to the utility model for monitoring the temperature of a thermal bed device 100, in particular of an incubator device 101, during a magnetic resonance examination. The method according to the utility model is performed by means of the hotbed device 100 described above and shown in fig. 2 and the magnetic resonance device 10 described above and shown in fig. 1.
In a first method step 200 of the method, the data interface 110 of the thermal bed device 100, in particular of the incubator device 101, is coupled to the data interface 28 of the magnetic resonance device 10. The coupling of the data interface 110 of the hot-bed device 100, in particular of the incubator device 101, to the data interface 28 of the magnetic resonance apparatus 10 is preferably carried out manually by a user, in particular a medical operator. In this case, the user couples the data interface 110, which is designed as a connector, of the hotbed device 100, in particular of the incubator device 101, to the data interface 28, which is designed as a connector receptacle, of the magnetic resonance device 10.
Once the thermal bed device 100, in particular the incubator device 101, is coupled to the magnetic resonance device 10 by means of the two data interfaces 28, 110, in a first method step 200, the state of coupling of the data interface 28, in particular the state in which the sensor unit 107, in particular the first temperature sensor 108 and/or the second temperature sensor 109 of the thermal bed device 100, in particular the incubator device 101, is coupled to the data interface 18, is recognized by the evaluation unit and/or the calculation unit 27. In this case, the sensor unit 107, in particular the first temperature sensor 108 and/or the second temperature sensor 109, is also automatically activated by the evaluation unit and/or the calculation unit 27 in order to provide temperature data for the subsequent evaluation of the temperature data during the magnetic resonance examination. Alternatively, it can also be provided that the output information is generated by the calculation unit 27 and/or the evaluation unit and output to the user by means of the user interface 24. In the output information, the user can be asked to select between the sensor unit 107 of the hotbed device 100, in particular of the incubator device 101, and the temperature sensor 16 of the magnetic resonance device 10 for subsequent evaluation.
In a further second method step 201, a magnetic resonance examination is started and temperature data are detected during the magnetic resonance examination by means of the hot bed device 100, in particular the incubator device 101. In this case, temperature data are detected by means of the sensor unit 107 of the hotbed device 100, in particular of the incubator device 101, in particular the first temperature sensor 108 and/or the second temperature sensor 109 of the sensor unit 107.
In a following third method step 202, the temperature data are transmitted to the magnetic resonance apparatus 10 by means of the data interface 28, 110 and evaluated. The evaluation of the temperature data takes place by means of an evaluation unit and/or a calculation unit 27 of the magnetic resonance apparatus 10. The evaluation of the temperature data can for example comprise temperature monitoring during the magnetic resonance examination. Furthermore, the evaluation of the temperature data can also comprise the determination of SAR values during the magnetic resonance examination. The evaluation of the temperature data here includes, in particular, the determination of the current SAR value during the magnetic resonance examination. In particular, the current calculated and/or determined SAR value is compared with a limit value, in particular a SAR limit value. In this case, an early termination and/or suspension of the magnetic resonance examination can be automatically triggered by the evaluation unit and/or the calculation unit if the current calculated and/or determined SAR value exceeds a limit value, in particular a SAR limit value.
Furthermore, after the evaluation of the temperature data, output information is generated and output in a fourth method step 203. The output information is generated by means of an evaluation unit and/or a calculation unit 27 of the magnetic resonance apparatus 10. The output information is output to the user by means of an output unit 25 of the user interface 24 of the magnetic resonance apparatus 10.
The output information can for example comprise a current SAR value and/or a temperature value and/or a comparison of the current SAR value with a SAR limit value to provide information to the user. Furthermore, the output information can also comprise a warning when the current SAR value exceeds the SAR limit value. Furthermore, different operating options can be displayed for the user when the current SAR value exceeds the SAR limit value. The operating option can be, for example, a magnetic resonance measurement of the magnetic resonance examination and/or an early termination of the entire magnetic resonance examination. Another operating option can be, for example, a pause and/or an interruption of the current magnetic resonance measurement of the magnetic resonance examination. The user can then make a selection from the different operating options by input at the input unit 26 of the user interface 24.
While the details of the utility model have been illustrated and described in detail in the preferred embodiments, the utility model is not limited by the examples disclosed, and other variations can be derived therefrom by those skilled in the art without departing from the scope of the utility model.

Claims (15)

1. A hotbed device for use with a magnetic resonance device, the hotbed device comprising a temperature-regulating unit and a patient-receiving unit,
it is characterized in that the preparation method is characterized in that,
a sensor unit having at least one first temperature sensor is provided.
2. The hot bed apparatus as claimed in claim 1,
it is characterized in that the preparation method is characterized in that,
the first temperature sensor is arranged on the patient receiving unit such that the temperature of the environment of the support region of the patient receiving unit can be detected by means of the first temperature sensor.
3. The hot bed apparatus as claimed in claim 1 or 2,
it is characterized in that the preparation method is characterized in that,
the sensor unit has a second temperature sensor, wherein the second temperature sensor is arranged on a support floor and/or a positioning floor of the patient support unit.
4. The hot bed apparatus as claimed in claim 1 or 2,
it is characterized in that the preparation method is characterized in that,
a data interface is provided, which is designed for data transmission with the magnetic resonance system.
5. A magnetic resonance apparatus having: a scanner unit; a patient receiving area at least partially enclosed by the scanner unit; an examination couch movable within the patient receiving area; and a thermal bed device which can be introduced into the patient accommodation region by means of the examination bed,
it is characterized in that the preparation method is characterized in that,
the hotbed device is constructed according to any one of claims 1 to 4.
6. The magnetic resonance apparatus as set forth in claim 5,
it is characterized in that the preparation method is characterized in that,
a data interface is provided, wherein the data interface is configured to mate with a data interface of the thermal bed apparatus.
7. The magnetic resonance apparatus as set forth in claim 6,
it is characterized in that the preparation method is characterized in that,
a local coil connector receptacle and/or a trigger input is provided, wherein the data interface is arranged in the local coil connector receptacle and/or the trigger input.
8. The magnetic resonance apparatus according to claim 6 or 7,
it is characterized in that the preparation method is characterized in that,
the data interface includes an analog data interface.
9. The magnetic resonance apparatus according to claim 6 or 7,
it is characterized in that the preparation method is characterized in that,
the data interface comprises a digital data interface.
10. The magnetic resonance apparatus according to claim 6 or 7,
it is characterized in that the preparation method is characterized in that,
the data interface comprises an HF data interface and/or an optical data interface.
11. The magnetic resonance apparatus according to claim 6 or 7,
it is characterized in that the preparation method is characterized in that,
the data interface is designed in such a way that, when the data interface of the hotbed device is coupled to the data interface of the magnetic resonance device, the sensor unit of the hotbed device is automatically identified in the magnetic resonance device.
12. The magnetic resonance apparatus as set forth in claim 6,
it is characterized in that the preparation method is characterized in that,
the thermal bed device is coupled to the magnetic resonance device by means of a data interface of the thermal bed device, wherein the data interface is designed to transmit temperature data to the magnetic resonance device during a magnetic resonance examination, wherein the magnetic resonance device comprises a computing unit, which is designed to generate output information from the temperature data and to output the output information.
13. The magnetic resonance apparatus as set forth in claim 12,
it is characterized in that the preparation method is characterized in that,
the evaluation of the temperature data includes determining a SAR value.
14. The magnetic resonance apparatus according to claim 12 or 13,
it is characterized in that the preparation method is characterized in that,
the evaluation of the temperature data comprises: if the limit value is exceeded, the magnetic resonance examination is terminated in advance.
15. The magnetic resonance apparatus according to claim 12 or 13,
it is characterized in that the preparation method is characterized in that,
the output information includes a warning.
CN202022867585.0U 2019-12-04 2020-12-03 Heating bed device and magnetic resonance device with heating bed device Active CN215738933U (en)

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DE102004006552B4 (en) * 2004-02-10 2013-08-29 Siemens Aktiengesellschaft Method for controlling a high frequency power amplifier, radio frequency device, radio frequency control device and magnetic resonance tomography system
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IL226488A (en) * 2013-05-21 2016-07-31 Aspect Imaging Ltd Cradle for neonates
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