1152results about "Radiation therapy" patented technology

Hydrogen-bonded framework nanoparticles comprising a chemiluminescent compound (e.g., L-012) are provided and can be used, e.g., for sono-optogenetic treatment of neurodegenerative diseases such as Parkinson's disease. Related in vivo and therapeutic methods are also provided.

Devices and methods are disclosed for treating tissue with microwave energy. Such devices and methods are able to treat cavities or surface tissue by creating one or more area or volumetric lesions. Also disclosed are flexible, low-profile devices that can be inserted non-invasively or minimally invasively near or into the target tissue as well as microwave antennas designed to generate ablation profiles that can ablate a large area or a large volume of target tissue in a single ablation. The devices include antennas wherein the field profile generated by an antenna is tailored and optimized for a particular clinical application. The antennas use unique properties of microwaves such as interaction of a microwave field with a metallic object and the use of additional shaping elements to shape the microwave field.

The invention discloses a hidden multi-mode brain state real-time monitoring and closed-loop intervention system, and relates to the technical field of intelligent wearable equipment. The system comprises a cap body, and further comprises a multi-point electrode array used for collecting EEG (electroencephalogram) signals, EOG (eye movement) signals and EMG (electromyography) signals of a human body; the brain blood oxygen monitoring module is used for monitoring brain blood oxygen saturation; the signal receiving and processing module is used for preprocessing and analyzing data acquired by the multi-point electrode array and the brain blood oxygen monitoring module; the multi-mode stimulation module is used for implementing sensory and nerve stimulation on the user according to a judgment result of the state judgment module so as to intervene in a drowsiness or attention decline state; and the power supply module and the communication unit are used for providing a working power supply for the modules needing power supply in the system and carrying out data communication with external terminal equipment. The system can monitor the waking degree of the user with high precision and carry out closed-loop feedback intervention by various stimulation means.

An automated clinical decision support method for treatment re-planning that enhances a CBCT scan using information from an initial CT scan of the patient to create a synthetic CT scan; adapts contours of organ(s) and tumour(s) from the initial CT scan to align with the synthetic CT scan; and calculates a delivered radiation dose from the synthetic CT scan; compares these against an original treatment plan to detect deviations exceeding preset thresholds, and triggers alerts with assigned priority levels for a re-plan decision.

Disclosed in the present invention are a scanning box device and an electron accelerator, the electron accelerator comprising an accelerating tube and a deflection coil; the scanning box device comprising a scanning chamber and a scanning box, wherein the scanning chamber is sealingly connected to the scanning box; the scanning chamber is arranged above the scanning box; the accelerating tube is arranged above the scanning chamber; the deflection coil is arranged on the outer side of the scanning chamber; and the scanning chamber is made of a non-metallic material. The present invention can prevent the generation of eddy currents in the scanning box, thus reducing the problems of energy loss and heat generation, improving the performance and stability of the apparatus.

The invention discloses a robot assisted diagnosis and treatment system for a nuclear medicine ward and an application method. The robot assisted diagnosis and treatment system comprises an AI robot for non-contact assisted diagnosis and treatment; the robot library is arranged on the same layer of the nuclear medicine ward; the remote interaction platform is used for issuing related instructions and man-machine interaction to the AI robot; a radiation protection and monitoring module, an identity recognition module, a health propaganda and education module, a ferry module, a visual doctor-patient communication module, a communication module, an RFID access control module and an environment disinfection module are integrated on the AI robot; the AI robot is connected with an external subcutaneous injection module, an external intravenous injection module, an external medicine distribution module and an external living goods conveying module through corresponding switching assemblies. According to the robot-assisted diagnosis and treatment system for the nuclear medicine ward and the application method, a semi-autonomous and remote interaction mode is used for replacing medical staff to execute face-to-face diagnosis and treatment behaviors with patients, and non-contact diagnosis and treatment are achieved through human-machine-patient high cooperation in the whole diagnosis and treatment process.

A device 100 for developing the concentration, the device 100 comprising: an optical sensor unit, the optical sensor unit comprising a plurality of one or more lenses 201, 202 capable of holding sensitive elements, the plurality of sensitive elements being configured to detect a user-provided biological signal in at least three operating modes; three switches for switching between the plurality of operating modes; a plurality of illumination units configured to indicate each of the plurality of operating modes by emitting a predetermined light signal; a processing unit for processing information using artificial intelligence.

A neurostimulation system may include an implantable neurostimulator. An implantable neurostimulator may include a first sensor configured to sense internal data relating to a symptom of a neurological movement disorder of a patient. An implantable neurostimulator may include an internal stimulator configured to provide an internal stimulation output to an internal target area of a patient. An implantable neurostimulator may include a first wireless communication device configured to communicate internal data with a network. A neurostimulation system may include a wearable neurostimulator. A wearable neurostimulator may include a second sensor configured to sense external data of a patient. A wearable neurostimulator may include an external stimulator configured to provide an external stimulation output to an external target area of a patient. A wearable neurostimulator may include a second wireless communication device configured to communicate external data with a network and receive internal data from the network.

Disclosed herein is a waveguide cell having a helical cavity. The waveguide cell has a central axis and a cavity having a transverse cross section whose rotational position about the central axis varies along the central axis. There is also disclosed a method a determining the shape of a waveguide cell.

The invention provides a compact synchrotron vacuum system and a design method, and relates to the technical field of particle acceleration. The vacuum system comprises a first vacuum unit and a second vacuum unit, the first vacuum unit comprises at least two first beam deflection vacuum tubes, and the adjacent first beam deflection vacuum tubes are connected through a first beam regulation and control vacuum tube; the second vacuum unit comprises at least two second beam deflection vacuum tubes, and the adjacent second beam deflection vacuum tubes are connected through a second beam regulation and control vacuum tube; a second beam deflection vacuum tube at one end of the second vacuum unit is connected with a first beam regulation vacuum tube at the first end of the first vacuum unit, and a second beam deflection vacuum tube at the other end of the second vacuum unit is connected with a first beam regulation vacuum tube at the second end of the first vacuum unit; and a beam diagnosis element is arranged in the first beam regulation and control vacuum tube of the first vacuum unit, so that the perimeter of the vacuum system can be shortened, and the popularization difficulty of the medical accelerator treatment device in small and medium-sized medical institutions is reduced.

A vagus nerve stimulation system for stimulating a vagus nerve in a biological subject, the system including a clip configured to be attached to a tragus of the subject, the clip including opposing arms configured so that a distal end of the arms are biased towards each other and electrodes positioned proximate a distal end of the arms on opposing faces so that the electrodes are urged into engagement with opposing faces of the tragus and a signal generator electrically connected to the electrodes, the signal generator being configured to generate at least one therapy signal that is applied to the vagus nerve within the tragus via the electrodes, to thereby modulate the vagus nerve.

The utility model relates to a multifunctional red light irradiation device which is characterized by comprising a red light irradiation assembly which is used for irradiating fundus by using red light so as to carry out myopia physiotherapy; the fundus imaging assembly is used for imaging the fundus; the lens cone is used for packaging at least one of the red light irradiation assembly and the fundus imaging assembly, and in the lens cone, the red light irradiation assembly and the fundus imaging assembly share part of optical assemblies so as to irradiate the fundus and / or image the fundus. According to the red light irradiation device, by sharing part of the optical assemblies, the fundus red light irradiation assembly and the fundus imaging assembly can be integrated on a single device at the same time, and therefore the multiple functions of conducting red light irradiation on the fundus, conducting imaging on the fundus and the like are achieved.

Systems and methods are disclosed for analyzing data from oncology treatments such as immune checkpoint inhibitor or radiotherapy therapies, including predicting adverse events of the oncology therapies, predicting objective response of the oncology therapies, predicting symptoms from the oncology therapies, and use of such predictions by technological implementations to achieve improved system and medical outcomes. An example technique for generating a predicted treatment outcome includes: receiving patient data for a human subject, which provides patient-reported outcomes collected from the human subject relating to a particular oncology treatment; processing the patient data with a trained artificial intelligence (AI) prediction model, which receives the patient data as input and produces a prediction of a treatment outcome as output; and outputting data to modify a treatment workflow of an oncology treatment for the human subject, based on the prediction of the treatment outcome.

The invention belongs to the technical field of medical health care equipment, and particularly provides a treatment control method of an intelligent self-adaptive wave conduction health care instrument, which comprises the following steps of: acquiring a physiological state signal of a user in real time, and generating an abnormal trigger instruction when the physiological state signal is detected to deviate from a preset health threshold range; inputting physiological index data corresponding to the abnormal trigger instruction into a dynamic adjustment model, wherein the dynamic adjustment model generates a treatment scheme based on a mapping relation between physiological indexes and wave conduction parameters; generating a driving control signal according to the treatment scheme, wherein the driving control signal is used for adjusting a particle resonance wave output device in the wave conduction health care instrument; and outputting a target particle resonance wave through a particle resonance wave output device according to the resonance frequency and the amplitude corresponding to the driving control signal, and continuously driving the action duration corresponding to the control signal. By collecting the physiological state signal of the user in real time and dynamically comparing the physiological state signal with the preset health threshold value, accurate anomaly detection and immediate intervention are achieved, and the limitation of fixed parameter output of traditional equipment is broken through.

A counterbalanced imaging device is provided and includes an imaging source and an imaging detector. The counterbalanced imaging device also includes a gantry ring that physically supports the imaging source and the imaging detector. The gantry ring also enables the imaging source and the imaging detector to simultaneously rotate about a center of rotation. The gantry ring may also comprise a detachable segment having one or more counterbalance measures contained therein to align a center of gravity of the gantry ring with the center of rotation when the detachable segment is mounted onto the gantry ring.

The invention relates to the technical field of medical robots, in particular to a laser treatment auxiliary robot and an auxiliary method thereof, and the method comprises the following steps: scanning a motion area, and obtaining obstacle detection records by calculating point cloud density, boundary form and curvature change parameters and identifying obstacles in the motion area. According to the method, through multi-layer point cloud scanning, the recognition precision of the mechanical arm on the obstacles in the movement area is optimized, the space sensing capacity is improved, the real-time data of the joint torque sensor are combined, the accuracy of collision risk assessment is enhanced, the speed and torque are dynamically adjusted, and the movement safety and stability are improved; according to the method, treatment starting coordinates are extracted by adopting tissue deformation in unit time, a surface curvature change value and a boundary shortest distance, the matching degree of a treatment area is improved, laser treatment is more accurate, a motion path is optimized by combining a surface geometrical shape and real-time operation feedback, trajectory mutation is reduced, and safety and consistency of a treatment process are improved.

This disclosure describes methods and systems for preventing, moderating, and / or treating brain injury. The methods herein may include obtaining a test result reflecting a condition of a brain in the subject, determining a stimulation parameter based on the test result, and stimulating a nerve based on the stimulation parameter, wherein stimulation of the nerve assists or causes contraction of a respiratory muscle in the subject. The systems herein may include a processor configured to: receive a test result reflecting a condition of a brain in a subject, and determine a stimulation parameter based on the test result; and a stimulator configured to stimulate a nerve based on the stimulation parameter, wherein stimulation of the nerve assists or causes contraction of a respiratory muscle in the subject.

A device for detecting and analyzing vital fields includes: a dielectric barrier discharge array fabricated on a thin substrate with low dielectric loss; an air permeable sheet for electrical insulation from the skin; a transformer for generating sufficient AC voltage to cause air breakdown in the array; a signal transformer and bypass capacitor for isolating the radio frequency current from the plasma discharge; circuitry for amplification and narrow-band spectrum analysis of the plasma discharge current. The amplified signal from the plasma discharge current is gated to include only signal from the part of the drive waveform where plasma discharge predominantly occurs. Frequency converters reduce the complexity of narrow-band spectrum analysis; spectrum analysis is done by Fast Fourier Transform analysis of the frequency converter outputs. The different FFT results are compared and analyzed to aid the user with the correct array placement on the body, and the detection of medical conditions.

The high-frequency power calibration system comprises an illuminometer module, a voltage regulator module, a standard load module, a high-frequency source placement frame, a high-frequency current acquisition module, a control system and a computer, and all the modules are connected through signals to form the complete calibration system. The calibration method comprises the steps of load impedance standard power data acquisition, high-frequency power data acquisition, high-frequency power precision verification and high-frequency source module numbering and calibration data configuration. According to load impedance standard power data acquisition, different power frequency voltages are set, power frequency power and illuminometer data are acquired, and a relation function between the power frequency power and the illuminometer data is established; in high-frequency power data acquisition, different DA voltages are set, illuminometer data are acquired, and a relation function is established; the high-frequency power precision verification verifies the power precision by fitting the function relationship; and finally, the calibration data and the high-frequency source module number are correspondingly stored. The problem that the power calibration precision of the in-vitro high-frequency thermal therapy machine is insufficient is solved.

The invention provides a terahertz intelligent energy cabin, and relates to the technical field of health maintenance equipment. The energy cabin comprises a cabin body, and a plurality of functional modules in the cabin, such as a massage assembly, a terahertz wave emitter, a quantum biological resonance assembly, a gyromagnetic recuperation assembly, a negative oxygen ion generation assembly, a biological brain wave monitoring assembly, a sound therapy system, a micro-pressure oxygen supply assembly and the like. All the modules are electrically connected with the intelligent control module, the intelligent control module integrates a multi-mode fusion intelligent evaluation model and a self-adaptive closed-loop regulation and control model, multi-source data can be processed, parameters of all assemblies can be dynamically adjusted, and cooperative operation of the system is guaranteed. According to the invention, the multi-functional module is integrated, cooperative operation and dynamic regulation and control are realized through the intelligent control module, multi-dimensional, personalized and intelligent comprehensive recuperation can be realized, and the modern health management requirements are met.

The invention discloses nuclear drug injection automatic drug delivery equipment which comprises a drug delivery equipment body and an accurate drug delivery system. The precise dosing system specifically comprises a liquid medicine processing module, a liquid medicine feeding module and a liquid medicine feeding module, wherein the liquid medicine processing module is responsible for full-flow control of extraction, dilution, compensation and injection of liquid medicine; the sensor and detection module is used for collecting the physical property parameters, the flow state and the in-vivo and in-vitro radioactive dose of the liquid medicine in real time; the data processing and control module is used for dynamically calculating the compensation amount, predicting the residual amount and executing safety control; the safety and exception handling module is used for monitoring exceptions in real time and triggering safety braking; the data storage and communication module is used for storing operation data and supporting remote supervision; and the user interface and monitoring module is used for providing operation interaction and real-time state display. According to the invention, through the core technologies of dynamic concentration compensation, tube wall residue prediction, bimodal monitoring, block chain evidence storage and the like, a set of nuclear drug injection administration system with full-process automation, high precision and high safety is constructed.

An apparatus, includes: a first raw material supply unit 110 including a filter housing 111, a supply fan 112, a flow regulator 113, an electronic valve 114, and an air supply line 115, wherein the supply fan 112 is operated to suck in external air, in the process, the HEPA filter (not shown) mounted inside the filter housing 112 filters fine dust and adjusts the air supply flow rate from the flow regulator 113 to the appropriate flow rate and supplies through the supply line 115 to the ion generator 200; a second raw material supply unit 120 including a pressure regulator 122, a flow regulator 123, an electronic valve 124, and an air supply line 125.

The present disclosure relates to compositions and methods of killing cells in vitro or in vivo. In particular examples, the method includes contacting a cell having a cell surface protein with a therapeutically effective amount of an antibody-IR700 molecule, wherein the antibody specifically binds to the cell surface protein. In particular examples the antibody recognizes a tumor-specific antigen on the surface of a tumor cell. The cell is subsequently irradiated, such as at a wavelength of 660 to 740 nm at a dose of at least 1 J cm−2, thereby killing the cell. Also provided are wearable devices that include an article of clothing, jewelry, or covering; and an NIR LED incorporated into the article, which can be used with the disclosed methods.

There is provided a method of reconstruction of a target brain structure(s), comprising: reconstructing at least a part of a brain comprising boundaries of brain structures that include the target brain structure(s), wherein the reconstruction is insufficient for parceling of the target brain structure(s) into sub-structures of a same type of gray or white matter, reconstructing and parceling the target brain structure(s) using a reference atlas, segmenting and parceling at least one originating brain structure using the reference atlas, filtering white matter fibers to isolate at least one target white matter tract connecting the originating brain structure(s) and the target brain structure(s), and creating a 3D reconstruction of the target brain structure(s) and the target white matter tract(s), wherein the target white matter tract(s) and the target brain structure(s) are transformed and / or mapped to an anatomical native space.

Localized heating can be provided using fixed-frequency planar transmission line resonators arranged along a main-line, and tuning an electromagnetic input signal frequency applied to the main line to selectively address and energize one or more planar resonators for also addressing and energizing one or more correspondingly located active substrate transducer heat sources for depositing heat in an adjacent active substrate. More generally, adjusting input signal frequency to select one or more planar resonators arranged along a main line can be used to selectively address and energize an electromagnetic-to-heat, an electromagnetic-to-vibration, or other transducer to controllably direct energy toward a desired transducer load.

The utility model discloses a therapeutic instrument control circuit and a therapeutic instrument, and relates to the technical field of medical instruments. The therapeutic apparatus control circuit is applied to a therapeutic apparatus and comprises an energy output circuit, a human body detection circuit and a main control circuit. The human body detection circuit can detect human body information when the human body is close to the therapeutic apparatus in the environment, and outputs a corresponding human body detection signal. When a user gets close to the therapeutic apparatus, the main control circuit determines that a human body gets close to the therapeutic apparatus according to a human body detection signal and controls the energy output circuit to enter a non-standby state, and at the moment, the energy output circuit can normally perform energy conversion and output. When the user does not approach the therapeutic apparatus, the main control circuit determines that no human body approaches the therapeutic apparatus according to the human body detection signal and controls the energy output circuit to stop working or enter a standby state. Therefore, the power consumption of the therapeutic apparatus can be reduced, and the service life of parts such as a power supply for maintaining a normal working state in the therapeutic apparatus can be prolonged.

The invention relates to the technical field of cyclotrons, in particular to a medical cyclotron beam current intensity control method, which comprises the following steps: acquiring various beam current control parameter data of a medical cyclotron at each acquisition moment in real time; determining a stable deviation value of state response between any two kinds of beam control parameter data, and further determining a confidence difference value of various kinds of beam control parameter data; obtaining each time interval; determining response difference values of the various beam control parameter data in each time interval based on the confidence difference values and differences of discrete degrees between the various beam control parameter data in each time interval and all other beam control parameter data; and determining a deviation response value of the beam current intensity data at the current moment, and adjusting a feedback signal value at the current moment so as to control the beam current intensity in the medical cyclotron. The invention aims to improve the control precision of the beam current intensity of the medical cyclotron.

Some embodiments are directed to a skin treatment system that contains a laser generating device. A hydrogel patch may include a region, at a first side of the hydrogel patch, to be in contact with a person's skin. The region may contain an adsorbing medium (e.g., carbon black or any other substance that would have a similar effect) that, when receiving a laser beam from the laser generating device, results in Extracorporeal Shock Wave Therapy (“ESWT”) being applied to the person's skin to treat a dermatologic condition such as an epidermal or dermal tissue structure irregularity, cellulite, a stretch mark, a scar, scar-tissue, a hypertrophic scar, an acne scar, etc.

Systems and methods for informing and evaluating neuromodulation therapy are disclosed herein. A system configured in accordance with embodiments of the present technology can include, for example, a guidewire having a proximal portion, a distal portion configured to be positioned at a target site in a blood vessel of a human patient, and a sensing element positioned along the distal portion. The sensing element can be a pressure sensing element, a flow sensing element, an impedance sensing element, and / or a temperature sensing element. The system can also include a controller configured to obtain one or more measurements related to a physiological parameter of the patient via the sensing element. Based on the measurements, the controller can determine the physiological parameter and compare the parameter to a predetermined threshold. Based on the comparison, the controller and / or an operator can evaluate the likelihood that the patient would benefit from neuromodulation therapy.

Methods for training a deep reinforcement learning model for generating a treatment plan and an electronic device are provided in the present disclosure. The method may include performing a training process. The training process includes obtaining initial dose distribution state data of an objective target volume; determining target data based on the initial dose distribution state data of the objective target volume, current policy data of a plurality of actor network layers, and current policy data of a critic network layer; and completing the current training by updating the current policy data of the plurality of actor network layers and the current policy data of the critic network layer based on the target data; and obtaining a trained deep reinforcement learning model by iterating the training process until a count of iterating the training process reaches a preset value.