30 results about "Pain Measurements" patented technology

A pain measurement and diagnostic system (PMD) for bioanalytical analysis of pain matrix activity and the autonomic nervous system to diagnose and validate patient treatments, health status and outcomes. The PMD is implemented using medical devices for measuring and reporting objective measurements of pain through patient monitoring and analyzing related biological, psychological, social, environmental, and demographic factors that may contribute to and effect physiological outcomes for patients and through the integrated and iterative analysis improve diagnosis of pain, the evaluation of related disease states, health status, and treatment options.

The present invention relates to systems, devices and methods for acquiring, measuring, monitoring, processing and analyzing physiological signals. More particularly, the present invention relates to using physiological signals to determine a subject's response to various conditions, variables or constraints. Still more particularly, the present invention relates to monitoring the subject's external body motion and/or environmental factors and determining the amount of pain a subject is suffering as a result of the motion and factors. Still more particularly, the present invention relates to a system, device and methods of quantifying a subject's pain to provide an objective measurement of the subject's pain. The present invention further relates to establishing and improving pain management protocols and therapy or treatment for the subject's pain based on the quantified pain measurement.

The invention discloses a multimode characteristic information fusing and predicting method of depression suicide behavior. The multimode characteristic information fusing and predicting method comprises the steps of collecting EEG signals, during data collection, using one-sided mastoid as a reference electrode, using opposite side mastoid as a recording electrode, besides, performing three-dimensional psychology pain measurement on testers, and performing neuropsychology behavioral indicator judgment on an simulated balloon risk task; preprocessing data, detecting EEG signal synchronicity onthe preprocessed EEG data through calculating PLV value between brain electrodes, and performing brain network construction through the PLV value; and by a pattern recognition method, performing classification on depression patient samples having high-risk suicide behavior and depression patient samples having low-risk suicide behavior. According to the multimode characteristic information fusingand predicting method disclosed by the invention, classification accuracy can be effectively increased, prediction of high suicide risk of major depressive disorder is objective, and the occurrence of a phenomenon of the suicide behavior is effectively reduced.

The invention discloses a pain threshold detector device for the anesthesiology department. The device comprises a handle, a PLC is arranged on the side surface of the handle, the input end of the PLC is electrically connected with the output end of a built-in battery which is arranged inside the handle, an electric telescopic rod is arranged on the side surface of the handle, the input end of the electric telescopic rod is electrically connected with the output end of the PLC, a pain measurement needle base is arranged at the telescopic end of the electric telescopic rod, and a pain measurement needle is arranged on the side surface of the pain measurement needle base. According to the pain threshold detector device for the anesthesiology department, operation is easy, use is convenient, the size of external force applied to a patient can be mastered, the accuracy is improved, and meanwhile the phenomenon that the patient gets hurt is avoided, the electric telescopic rod can drive the pain measurement needle to conduct pain measurement on the corresponding part of the patient through the pain measurement needle base, a hollow cylinder is used for making contact with the pain measurement part of the patient, the diameter of a through hole is smaller than that of the telescopic end of the electric telescopic rod, and the phenomenon that the movement range of the electric telescopic rod is too large, and the patient is hurt by the pain measurement needle can be prevented.

The invention discloses a myoelectricity pain measurement method and device for clinical use. The method comprises the steps of (1) acquiring an RIII reflex threshold, (2) detecting RIII reflex under electrical stimulation, and (3) judging the threshold of pain. The device comprises a stimulating electrode, a recording electrode, a constant-current stimulator and an RIII detector, wherein the stimulating electrode is electrically connected with the constant-current stimulator, the constant-current stimulator is in data connection with the RIII detector, the recording electrode is in data connection with the RIII detector, and the RIII detector comprises a signal amplifier, a filter, an analog-digital conversion circuit, a memory, a comparator and a judger and is used for recording the output current of the constant-current stimulator, recording the voltage data recorded by the recording electrode, and judging the threshold of pain according to the pain measurement method. The myoelectricity pain measurement method and device for clinical use solve the technical problem that according to an existing clinic pain measurement method, the measurement result is not accurate due to the fact that judgment is made according to subjective pain reporting.

Time-series of pain ratings are analyzed from patients with CLBP, PHN, and from normal subjects imagining back pain. A non-linear technique is used to determine whether each time-series examined is scale free, and derives a single parameter with which each time-series is characterized, permitting a contrast between pain conditions.

The invention discloses an extraction and expression mode of a pain component in brain waves. The extraction and expression mode is a method for extracting characteristic components of feelings related to pains, labor pains, anxiety, tension, delirium, oblivion and comfort in the brain waves by acquiring a brain wave signal in real time and utilizing a mathematic calculation algorithm of discrete signal processing, and the method is expressed into an expression mode of dimensionless data of 0-100. By utilizing a signal sensing technology of electrophysiology to acquire a brain wave signal and calculate and analyze the signal, the characteristic index is found and extracted, through normalization processing, a quantitative numerical value for measuring the characteristic index is obtained, and technical means and application equipment for real-time pain measurement are formed. According to the extraction and expression mode of the pain component in the brain waves, a powerful support means is provided for scientific study of pain treatment and a management method, and the extraction and expression mode has important practical value in the aspects of analyzing a medicine curative effect, summarizing a treatment method, adjusting a treatment scheme, studying and analyzing a pain mechanism, collecting large sample long-time clinical pain relevant information and the like.

The invention provides a pain measurement device, and belongs to the field of medical facilities. The pain measurement device comprises a protruding structure and a stopping structure; the protruding structure outwards protrudes and is used for enabling pains to be generated in the skin; the stopping structure is located below the protruding structure and used for supporting the skin around an extrusion area when the protruding structure extrudes the skin. By means of the pain measurement device, the pain measurement degree of a doctor can be stably controlled, and therefore the pain measurement results are more accurate; meanwhile, the skin cannot be punctured, and pains and cross infections of a patient during pain measurement are reduced. The pain measurement device is simplified in structure and favorable for clinic operation of the doctor.

This pain measurement device (10) for measuring pain experienced by a subject (99) is provided with a determination unit (12) for determining a reference stimulation intensity corresponding to reference pain of the subject (99), on the basis of a relationship between pain levels reported by the subject (99) and stimulation intensities applied to the subject (99), and a measurement unit (13) which compares electroencephalographic data measured from the subject (99) and reference electroencephalographic data corresponding to the reference stimulation intensity to measure pain experienced by the subject (99) when the electroencephalographic data is measured.

The invention relates to an elastic direct compression pain quantitative measurement instrument used in pharmaceutical research and medical experiments. The pain quantitative measurement instrument is structurally characterized in that a pressurizing mechanism, a pressure measuring platform and a platform base are arranged on a shell; a pressure detecting mechanism is arranged inside the shell; and the pressurizing mechanism is characterized in that an upright elastic pressurizer is connected on a lifting mechanism which is connected with a step motor through a transmission mechanism. The pain quantitative measurement instrument eliminates the oblique scraping force of existing measurement instrument at the time of pressurizing, and is high in automatization degree, simple to operate and good in stability and can provide objective and accurate measurement data for pharmaceutical research and medical experiments of quantitative mice pain measurement.

The invention relates to a building method of a non-human primate dysmenorrheal model and a measuring principle of non-human primate dysmenorrheal pains. Combined induction of estrogen and oxytocin isutilized to build the non-human primate dysmenorrheal pain model, and a measurement device is utilized to measure the pains. When the device measures the pains, a medium loading unit is connected with a flexible expansion unit through a communication pipe, after the flexible expansion unit is put into the vagina of a primate, mediums are loaded according to a preset procedure to expand the expansion unit, a measuring monitoring unit is connected with the primate and a medium loading controlling unit separately, and by detecting the reaction of the primate to the pains and feeding the reactionback to the medium loading controlling unit, and recording loading data at the same time, the degree of the dysmenorrheal pains is quantitatively measured. As is shown by cases, the measuring methodis high in sensitivity and repeatability. The dysmenorrheal model and the measuring principle and method of the non-human primate dysmenorrheal pains have a wide application range in the relevant field of scientific research, teaching, products and technological development and the like, and can also provide experimental estimation for the development of new drugs for the dysmenorrheal pains.

The invention relates to a novel intelligent pain measurement instrument. The novel intelligent pain measurement instrument comprises a host box, a detector, a data line, a micro printer, a power module, a control unit, a handle, protrusions, a USB interface, a first data interface and a second data interface, wherein the handle is installed on the upper end of the host box, the protrusions are arranged on the handle, the micro printer and the control unit are installed on the front face of the host box, the power module is installed on the bottom of the host box, the USB interface and the first data interface are installed on the side face of the host box, the control unit is connected with the micro printer, the power module, the USB interface and the first data interface, the first data interface is connected with the second data interface through the data line, and the second data interface is installed on the detector. The novel intelligent pain measurement instrument is simple in structure, the pain degree of a human body can be measured conveniently and rapidly, the pain degree is displayed digitally, a user can observe a measurement result more visually, and the detection result is objective and accurate.

The invention discloses a small animal pain-measuring device and an application thereof, wherein the device comprises a separating test platform, a lower rotating device and a liftable bracket. The separating test platform comprises an animal buffer zone, an animal mechanical pain measuring zone and an animal thermal radiation pain measuring zone from inside to outside, and the animal mechanical pain measuring zone and the animal thermal radiation pain measuring zone have multiple compartments. An extractable third partition plate is arranged between the animal buffer zone and the animal mechanical pain measuring zone, and an extractable fourth partition plate is arranged between the animal mechanical pain measuring zone and the animal thermal radiation pain measuring zone. The device canbe rise and fall up and down to the required height during pain measuring in different methods during experimental animal pain measuring, can rotate 360 DEG, is fixed at a position where a tester needs fixed observation, and is easy to operate; two pain measuring modes can be convenient to switch randomly in a condition without affecting the adaptability of animals to the environment; a platform is convenient to clean up in time to ensure the smooth progress of pain measurement; data are guaranteed to be real and reliable, and the operation of the tester is facilitated.

An armband for measuring pain during medical studies including a strap portion configured to be secured around a person's upper arm, an opening in the strap portion configured to secure a stimulus in place against the person's upper arm, and at least one marker configured to be secured to the strap portion to mark a designated spot on the strap portion

A system for controlling operation of an imaging or therapy apparatus. The system comprises an interface (IN) for receiving a pain measurement signal as measured by one or more sensors (S) in relation to an anatomic part (BR) of the patient (PAT) i) being imaged in an imaging procedure by the imaging apparatus or ii) being under therapy in a therapy procedure delivered by the therapy device, whilst the part (BR) is held in an adjustable fixation device (FD). A control unit (CU) of the system is configured to process the pain measurement signal to compute at least one control signal. A control interface (CIF) of the system is configured to interact during the imaging or therapy procedure with the imaging apparatus (IA) and/or the fixation device (FD) based on the control signal to a) influence the imaging or therapy procedure and/or b) to adjust the fixation device so as to change the manner in which the part (BR) is being held.

The invention discloses a pain measurer comprising a pair of metal pincers and a pressure meter, wherein the pressure meter is fixed at the head end of the metal pincers. When the metal pincers clamp the skin of a patient, the pressure meter can display the clamping strength. The pain measurer has the advantages that the structure is simple and the conception is novel; in the measurement process, when the patient feels that the pain degree of the clamped part is the same as that of a diseased part, the clamping strength displayed by the pressure meter is the pain degree of the diseased part, and thereby, an obtained result more objectively and accurately reflects the real pain degree of the patient.

The invention relates to a combined ruler of a comfort ruler and a pain ruler and an application. The combined ruler comprises a ruler body, wherein one surface of the ruler body is a comfort ruler surface, and the other surface of the ruler body is a pain ruler surface; the comfort ruler surface is successively provided with a physiological comfort evaluating area, a psychological comfort evaluating area, a social comfort evaluating area and a spirituality comfort evaluating area; and the pain ruler surface is provided with an emoticon pattern area, a scale area and a pain scale description area. The combined ruler can be used in clinic treatment and curing. Compared with the prior art, the combined ruler is easy to use by a nurse and is easy to understand by a patient during comfort level measurement, is soft, is unlikely to break, is convenient to use, is easy to clean and disinfect and the like, and the time and labor are saved because comfort measurement and pain measurement are used together.