Abstract: A system for assisting with a cardiopulmonary resuscitation (CPR) treatment being administered to a patient. In one aspect, the system includes electrodes to provide an ECG signal of the patient, one or more sensors configured to measure an intrinsic myocardial wall movement of the patient, and one or more processors. The one or more processors are configured to perform operations including: during the CPR treatment being administered to the patient, receiving an input from the sensor(s), processing the input from the sensor(s) and the ECG signal, determining, based on processing, whether the intrinsic myocardial wall movement is indicative of a perfusion movement of the patient's heart, and providing an indication to a user of the system based on the determination.

Abstract: Systems and methods are provided for ultrasound imaging with real-time feedback for cardiopulmonary resuscitation (CPR) compressions. Ultrasound images generated based on received echo ultrasound signals during cardiopulmonary resuscitation (CPR) of a patient may be processed, and based on the processing of the ultrasound images, real-time information relating to the cardiopulmonary resuscitation (CPR) may be determined. Feedback for assisting in conducting the cardiopulmonary resuscitation (CPR) may be generated based on the information. The feedback may include information and/or indications relating to compressions applied during the cardiopulmonary resuscitation (CPR). The feedback may be configured for outputting during displaying of the generated ultrasound images.

Abstract: In embodiments, a CPR chest compression system includes a retention structure that can retain the patient's body, and a compression mechanism that can perform automatically CPR compressions and releases to the patient's chest. The compression mechanism can pause the performing of the CPR compressions for a short time, so that an attendant can check the patient. The CPR system can include a user interface that can output a human-perceptible check patient prompt, to alert an attendant to check the patient during the pause. The compression mechanism can during a CPR session retreat a distance away from the patient's chest whereby the patient's chest can expand without active decompression of the patient's chest beyond the chest's natural resting position.

Abstract: A system including a simulated respiratory sub-system and a simulated airway subsystem. The simulated respiratory sub-system comprises simulated lung(s) and, optionally, a lung compliance assembly and a compliance motor. The lung compliance assembly has a backing plate and a pressure plate between which the simulated lungs are positioned. The compliance motor is configured to adjust a clamping force exerted by the pressure plate on the simulated lungs to simulate clinical presentation of lung compliance. The simulated airway subsystem comprises an airway unit and, optionally, a trachea tube and a trachea tubing depth sensor. The airway unit has a mouth cavity and an internal airway via which the mouth cavity communicates with the simulated lung(s). The trachea tube is in communication with the internal airway and operably coupled to the airway unit. The trachea tubing depth sensor ensures proper execution of an intratracheal training procedure.

Abstract: A medical device uses UWB units to infer a position of an adjunct positioned in proximity to an exterior portion of a patient's body. The position information can be used to provide CPR feedback to a rescuer. In other applications, the position information can be used to provide prompts to a user to change the position of the adjunct.

Abstract: A pressure control system for providing an interventional pressure to be applied to a defined area of a patient during a pre-interventional imaging process with an imaging system is provided. Therein, the interventional pressure corresponds to an interventional pressure applied to the defined area of the patient during an intervention via a medical technology device. The pressure control system includes a pressure plate, a force module, and a positioning apparatus. Therein, the force module is configured to apply a force on the pressure plate. Therein, the force on the pressure plate generates the interventional pressure. Therein, the positioning apparatus is configured to position the pressure plate and the force module relative to the patient.

Abstract: An elevation device used in the performance of cardiopulmonary resuscitation (CPR) includes a base and an upper support pivotably coupled to the base. The upper support is configured to elevate the individual's upper back, shoulders and head when pivoted. The upper support is expandable lengthwise. The upper support includes a neck support that is configured to support the individual's spine in a region of the individual's C7 and C8 vertebrae throughout elevation of the upper back, shoulders and head.

Abstract: A medical apparatus provides resuscitative therapy to a patient. The apparatus includes an electrocardiogram (ECG) input, a defibrillation output configured to provide an electrical defibrillation shock treatment, and an applicator body configured to provide active compression decompression therapy to the patient's chest. The applicator body includes a rescuer end configured for hands of the rescuer to press and pull on the applicator body, a coupling surface configured to adhere to the patient's chest to provide active compression decompression therapy, a capacitor, and processor(s) configured to receive and analyze the ECG signal of the patient, determine whether the patient is in need of defibrillation, and administer the defibrillation shock treatment to the patient.

Abstract: A cardiopulmonary resuscitation (CPR) positioning apparatus, having a support structure with a plurality of elements, each having a variable length, hingedly connected one to another at respective ends thereof, wherein the support structure is configured to be unfolded from a compactly folded configuration, in which the plurality of elements are arranged one against another, to an operable configuration, in which the elements are arranged end-to-end around a patient's chest; and a CPR chest compressor movably mounted to a first of the plurality of elements, wherein the CPR chest compressor is configured to be moved along the first of the plurality of elements, such that, when the support structure is in the operable configuration, the chest compressor can be positioned precisely above the patient's chest.

Abstract: According to an aspect, there is provided a cardiopulmonary resuscitation, CPR, device (1) for enhancing the delivery of CPR to a patient. The device (1) comprises: a patient side (3) for engagement with the chest of the patient; and a user side (2) for engagement with the hands of a user delivering CPR to the patient. One or more of the surface of the patient side (3) and the surface of the user side (2) is at least partially formed of a material with variable contact characteristics configured to be controlled so as to regulate the lateral force distribution profile at the one or more of the surface of the patient side (3) and the surface of the user side (2) from a force applied to the device (1) by the user and transferred through the device (1) to the patient.

Abstract: A device for compressing the chest of a cardiac arrest victim.

Abstract: A method to increase the overall hemodynamic efficacy of cardiopulmonary resuscitation (CPR) by alternating between chest compression-decompression cycles optimized to either cardiac output or venous return. The phases of cardiac output and venous return enhancement may themselves by adjusted in their duration and character. The method may enhance mechanical and manual techniques delivered to the anterior or circumferential chest, and be synchronized to adjunctive techniques such as airway, ventilatory or abdominal therapies.

Abstract: Among other things, in one aspect, we describe a system for assisting with cardiopulmonary resuscitation (CPR). The system includes at least one sensor; and one or more processors configured for calculating a chest compliance relationship based on data received from the at least one sensor, and determining a neutral position of chest compression based at least in part on a feature of the chest compliance relationship. The system can take the form of an active compression-decompression device.

Abstract: According to an aspect, there is provided a cardiopulmonary resuscitation, CPR, device (1) for enhancing the delivery of CPR to a patient. The device (1) comprises: a patient side (3) for engagement with the chest of the patient; and a user side (2) for engagement with the hands of a user delivering CPR to the patient; and an actuator configured to at least partially alter the external form of one or more of the patient side (3) and the user side (2) so as to regulate a shape profile of the one or more of the patient side (3) and the user side (2). According to other aspects, there is provided a control method for a cardiopulmonary resuscitation, CPR, device and a computer program which, when executed on a computing device, carries out a control method for a cardiopulmonary resuscitation, CPR, device.

Abstract: Automated CPR systems incorporating biological feedback can include an automated compression piston system, a data acquisition system, computer systems for running various control algorithms, ventilation control systems, and/or drug delivery systems. Automated CPR systems can be used as stand-alone systems for treating patients in cardiac arrest, or they can be used to administer pretreatment to a patient prior to defibrillation.

Abstract: An apparatus for assisting in providing patient ventilations includes electrodes configured to provide airflow activities signals, chest compression sensors configured to provide chest displacement signals due to chest compressions, a processor and a memory configured to receive the airflow activities and chest displacement signals, identify a presence of chest compressions based on the chest displacement signals, subsequently confirm an absence of chest compressions applied to the patient based on the chest displacement signals, adjust signal processing parameters for the airflow activities signals in response to the confirmed absence of chest compressions, and process the airflow activities signals using the adjusted signal processing parameters to determine feedback for providing the patient ventilations in the absence of chest compressions, and an output device coupled to the processor and the memory and configured to provide the ventilation feedback.

Abstract: The device according to the invention is used for a cardiopulmonary massaging and/or resuscitation of a patient and is provided with a massage stamp (17) which can be reversibly driven by a drive device in an actuation direction (18) and which has a pressure surface (31) that can be positioned at a contact region on the chest (12) of a patient (11). In order to ensure that the chest compressions are interrupted upon reaching a specified compression force, the massage stamp (17) has a stamp upper part (19) and a stamp lower part (20) which is operatively connected to the stamp upper part (19). The stamp upper part (19) and the stamp lower part (20) can be adjusted relative to each other in the actuation direction (18) at least between a first position which defines a working length (L) and a second position in which an effective length (1) of the massage stamp (17) is shortened compared to the working length (L).

Abstract: A resuscitation management system for a manual resuscitator may include a radio frequency identification (RFID) tag that may be configured to be mounted on a first side of a bag of the manual resuscitator. The RFID tag may be configured to transmit information indicative of the presence of the RFID tag. The system may further include an RFID reader that may be configured to be mounted on an opposite second side of the bag. The RFID reader may be configured to generate an output signal corresponding to the presence of the RFID tag responsive to receiving the information transmitted by the RFID tag. The RFID reader may be configured to receive the information transmitted by the RFID tag responsive to the RFID tag being at a distance from the RFID reader smaller than a predetermined threshold.

Abstract: In embodiments, a CPR chest compression system includes a retention structure that can retain the patient's body, and a compression mechanism that can perform automatically CPR compressions and releases to the patient's chest. The compression mechanism can pause the performing of the CPR compressions for a short time, so that an attendant can check the patient. The CPR system can include a user interface that can output a human-perceptible check patient prompt, to alert an attendant to check the patient during the pause. The compression mechanism can during a CPR session retreat a distance away from the patient's chest whereby the patient's chest can expand without active decompression of the patient's chest beyond the chest's natural resting position.

Abstract: An apparatus for promoting shallow breathing of a patient includes a paddle, a belt, and a bladder. The paddle may be configured to contact the body of the patient. The belt may be configured to secure the paddle against the body of the patient. Finally, the bladder may be interposed between the belt and the paddle in the installed condition, such that inflating the bladder urges the paddle toward the body of the patient so as to apply pressure to the abdomen of the patient. A method of promoting shallow breathing is also provided that includes attaching a paddle and a bladder to a belt, such that the bladder is between the paddle and the belt, positioning the paddle on the patient, and inflating the bladder to urge the paddle toward the body of the patient such that the paddle applies pressure to the abdomen of the patient.

Abstract: A system and method for determining CPR induced chest compression depth using two sensors while accounting for different orientations of the two sensors. The system may include a first motion sensor operable to generate motion signals corresponding to motion in a first coordinate frame defined by a first set of axes and a second motion sensor operable to generate motion signals corresponding to motion in a second coordinate frame defined by a second set of axes and a control system operable to receive the motion signals from the first motion sensor and the second motion sensor, rotate the motion signals from the first motion sensor into the second coordinate frame to obtain rotated motion signals corresponding to the motion signals from the first motion sensor, and combine the rotated motion signals with the motion signals from the second motion sensor to generate an output indicative of said displacement.

Abstract: A chest compression device with a chest compression belt assembly including guards and sensors operable with a control system to control operation of the system depending on detection of proper installation of the guards.

Abstract: A feedback device for an acute care provider includes: at least one motion sensor; a haptic output component for providing feedback having a varying haptic pattern to the acute care provider regarding performance of a resuscitation activity; and a controller. The controller can be configured to receive and process a signal representative of performance of the resuscitation activity from the at least one motion sensor, compare the acute care provider's performance of the resuscitation activity to a target performance of the resuscitation activity, and cause the haptic output component to provide haptic feedback to the acute care provider by changing the haptic pattern based, at least in part, on the signal from the at least one motion sensor and the comparison of the acute care provider's performance to the target performance of the resuscitation activity. The device can be adapted to be wrist-worn by the acute care provider.

Abstract: A compression device particularly suited for DVT prophylaxis includes a disposable wrap and a re-usable controller removably mounted on the wrap to apply a tensioning force to the wrap when it is encircling the limb of a patient. The wrap includes an RF chip with a unique identifier and the controller includes an RF sensor and processor to authenticate the wrap before commencing a compression cycle. A kiosk is provided for storing a plurality of wraps for use by patients and a plurality of controllers to be used with any of the wraps. The processor of each controller can control an electric motor in the controller to tighten and loosen the wrap according to a three-stage DVT prophylaxis protocol that produces an optimum blood flow velocity. An accelerometer and software/firmware in the controller can also measure and summarize patient activity while wearing the device.

Abstract: A method for assisting respiration by electrical stimulation includes: acquiring a time parameter of a target respiratory process; and outputting a phrenic nerve stimulating signal to a diaphragm stimulating electrode within a time period corresponding to inspiration and outputting an abdominal muscle stimulating signal to an abdominal muscle stimulating electrode within a time period corresponding to expiration, according to the time parameter of the target respiratory process.

Abstract: There is provided herein a decision support system for cardiopulmonary resuscitation (CPR), the system comprising: a medical monitoring device configured to produce CO2 waveforms of exhaled breath of a subject undergoing CPR, and a computing unit configured to extract one or more features related to the CO2 waveforms and/or a trend thereof produced by said device, obtain one or more parameters/variables selected from a group of one or more background parameters, one or more physiological variables and one or more baseline parameters related to the subject undergoing CPR, and determine effectiveness of CPR and/or CPR outcome based at least on the one or more features and/or the trend thereof and on the one or more parameters/variables.

Abstract: A method for measuring strokes of CPR and a system using the method are disclosed. The system includes at least one permanent magnet and stroke detecting device which has a magnetic sensor, an accelerometer, a CPR detector, a controller, a power unit, and a housing. The system can measure strokes of CPR without a detector making patients uncomfortable. Meanwhile, the system is tiny and can be used to cooperate with AED.

Abstract: Systems and methods of processing raw electrocardiogram (ECG) waveform data of a patient into estimated real-time ECG waveform data. The method includes sensing at least one physical non-cardiac influence on the raw ECG waveform data, constructing a time domain computer model of the at least one physical, non-cardiac influence on the raw ECG waveform data, and adaptively filtering the raw ECG waveform data in the time domain using the constructed time domain computer model of the at least one physical non-cardiac influence on the raw ECG waveform data to form the estimated real-time ECG waveform data. The system can include an ECG device for collecting raw ECG waveform data, at least two ECG electrodes positioned on the patient and electrically coupled to the ECG device, and a processor coupled to the ECG device and configured to compute a time domain model of an artifact created by chest compressions.

Abstract: A resuscitation device for assisting a rescuer in resuscitating a patient. A handheld computing/communication device may be configured for performing a non-resuscitation function during time periods when resuscitation is not required, the handheld device may be further configured to provide CPR prompts during time periods when used by a rescuer to assist in resuscitation, and a sensor may be provided to measure a parameter (e.g., chest acceleration) relevant to resuscitation. A CPR-assistance element may be configured to be applied to the patient and to communicate with the handheld computing/communication device.

Abstract: An automatic cardiopulmonary resuscitation device includes a movable chest compressor for repeatedly pressing a patient's chest at a preset depth and cycle, a cardiac output measurement unit for measuring a cardiac output of the patient in accordance with the pressurization of the chest compressor and a processor for changing pressing locations by performing control such that the chest compressor moves according to a preset method.

Abstract: A yaw brake apparatus includes a first surface disposed on an end of a yaw piston for a wind turbine, the first surface including a first pattern formed by one or more of a plurality of first recesses and a plurality of first protrusions. The yaw brake apparatus may also include a yaw pad including a second surface structurally configured to engage with the first surface and a third surface opposite the second surface that is structurally configured to engage with a slew ring of the wind turbine, the second surface including a second pattern formed by one or more of a plurality of second recesses and a plurality of second protrusions corresponding to one or more of the plurality of first recesses and the plurality of first protrusions on the first pattern such that the first pattern and second pattern fit together when aligned in a predetermined orientation.

Abstract: Devices and methods for CPR chest compression with active decompression.

Abstract: In embodiments, a WCD system includes electrodes with which it senses an ECG signal of the patient. A processor may detect sequential peaks within the ECG signal, measure durations of time intervals between the peaks, including between non-sequential peaks, and identify a representative duration that best meets a plausibility criterion. The plausibility criterion may be that the representative duration is the one that occurs the most often, i.e. is the mode. Then a heart rate can be computed from a duration indicated by the representative duration and, if the heart rate meets a shock condition, the WCD system may deliver a shock to the patient. An advantage can be that the representative duration can be close to a good R-R interval measurement of a patient, notwithstanding noise in the ECG signal that is in the shape of peaks.

Abstract: An autonomous mechanical CPR device is disclosed having a CPR unit attached to a free-standing support assembly. In operation, a victim is placed in the support assembly such that the CPR unit can compress the victim's chest. The CPR device is preferably portable, and it provides the recommended depth of chest compression at the recommended rate. The CPR unit has a quick disconnect locking system with an insert that fits into a lock.

Abstract: There is provided a method of controlling a mechanical ventilator. The method may include the steps of receiving a measurement of transthoracic impedance of a patient obtained during chest compressions, determining a timing for a mechanical ventilator to provide a ventilation based on the measurement of transthoracic impedance, and sending a signal to control the mechanical ventilator based on the determined timing. There is also provided an apparatus for performing the method.

Abstract: An external defibrillator system is provided. The system includes: a graphical display; one or more sensors for obtaining data regarding chest compressions performed on a patient; and a controller configured to display on the graphical display numeric values for depth and/or rate of the chest compressions based upon the data from the one or more sensors. A method for using an external defibrillator including the steps of: obtaining data regarding chest compressions performed on a patient; and displaying on a graphical display screen of the defibrillator numeric values for depth and/or rate of the chest compressions based upon the data is also provided.

Abstract: A cardiopulmonary resuscitation (“CPR”) device that includes a chest compression mechanism, a support structure, and a plurality of inflatable support pads. The chest compression mechanism is configured to deliver CPR chest compressions to a patient. The support structure includes a base member configured to be placed underneath a patient, and a leg configured to support the chest compression mechanism at a distance from the base member. The plurality of inflatable support pads are configured to provide lateral support to a patient's chest during use of the CPR device. Each support pad within the plurality of support pads includes a holder configured to retain and at least partially surround the adjacent support pad.

Abstract: A medical device is disclosed that includes a service component for use in detecting patient data, at least one processor coupled with the service component, a care protocol module executable by the at least one processor to provide healthcare to a patient at least in part by generating a request for processing by the service component, and a resource module executable by the at least one processor to manage access to the service component by identifying a level of service associated with the care protocol module and responding to the request by managing the service component to meet the level of service. The care protocol module implements a patient care protocol that includes a sequence of actions directed to the patient. The level of service indicates a level of performance that the patient care protocol requires of the resource module. Selective offloading of modular functions is also enabled.

Abstract: A device for compressive treatment of a body part includes a compression member, adapted to at least partly encircle the body part, and an actuation unit, arranged to tighten the compression member to provide a compressive force to the body part. Methods are provided for its therapeutic, cosmetic and non-therapeutic use and operation.

Abstract: A combination respiratory therapy management system creates a combined respiratory therapy prescription that can be executed by a combined respiratory therapy device to provide multiple coordinated respiratory therapies to a patient. The system can update the combined respiratory therapy prescription and implement the updates while the combined respiratory therapy device is in use. Some versions of the system provide additional features that allow the combined respiratory therapy prescriptions to be created, accessed, shared with other users, and performed by the combination respiratory therapy device in a customizable user-friendly and non-threatening way.

Abstract: A support (26) for a tablet (22) for use in a Functional Magnetic Resonance Imaging (fMRI) machine (12) is provided. The support (26) includes a plurality of curved braces (80, 82) configured to mount within a bore (16) of the fMRI machine (12); a channel (90) coupled to one end of the curved braces (80, 82); and a pair of lower braces (86) coupled to another end of the curved braces (80, 82); wherein the channel (90) includes a C-shaped opening (108) configured to receive a mounting bracket (24) coupled to the tablet (22).

Abstract: A mechanism attached to a mechanical CPR device can be automatically attached to the patient's torso. The mechanical CPR device can extend the mechanism to a first position at which the mechanism comes into contact with the patient's torso. The mechanism can be further extended until a first threshold is reached. The mechanism can be retracted to the first position. The mechanism can be further retracted from the first position until a second threshold is exceeded. The mechanism can then be extended to a second point at which the second threshold is no longer exceeded. The mechanism may comprise a suction cup or sticker plate, and may be attached to an end of a piston of the mechanical CPR device.

Abstract: A chest compression device for cardiopulmonary resuscitation comprises a support structure 2 for placement about a patient's chest and for holding a chest compressor 6 above a patient's sternum; a chest compressor 6 mounted on the support structure 2; and lateral chest supports 14 attached to the support structure 2 at points laterally either side of the chest when the device is in use, such that the lateral chest supports 14 will apply lateral pressure to the sides of the chest synchronized with a chest compression by the chest compressor 6.

Abstract: According to an example aspect of the present invention, there is provided an apparatus comprising two charge amplifiers configured to receive input from an acceleration sensor and to each produce one first output signal, a differential amplifier configured to receive the first output signals and to amplify a difference between the first output signals to produce two second outputs signals.

Abstract: The present invention is a method for improving hemodynamics and clinical outcome of patients suffering cardiac arrest and other low-flow states by combination of circumferential constriction and anteroposterior compression decompression of the chest cardiopulmonary resuscitation. Anteroposterior compression decompression may be provided by a piston mechanism attached to a gantry above the patient. Circumferential constriction may be achieved by inflation of pneumatic bladders or shortening of a band. The on-off sequence and relative force of circumferential constriction and anteroposterior compression decompression may be adjusted so as to improve efficacy.

Abstract: An algorithm for removing motion artifacts from the PPG signal in the time domain to determine heart rate is disclosed. A device for determining a heart rate of a user can include a heart rate sensor configured to generate heart rate signals when positioned on or adjacent to a user's skin, an accelerometer configured to generate one or more acceleration signals, and processing circuitry configured to remove, in a time domain, motion artifacts from the heart rate signals based on the acceleration signals. In some examples, the removal of motion artifacts can also be based on mean-centered, variance-scaled integrated acceleration signals. In some examples, the processing circuitry can be configured to remove motion artifacts using a least squares algorithm to identify a best representation of acceleration and integrated acceleration signals in the heart rate signals.

Abstract: A wearable cardiac defibrillator (“WCD”) system may include a support structure that a patient can wear, an energy storage module that can store an electrical charge, and a discharge circuit that can discharge the electrical charge through the patient so as to shock him or her, while the patient is wearing the support structure. Embodiments may actively take into account bystanders, both to protect them from an inadvertent shock, and also to enlist their help. In some embodiments, the WCD system includes a speaker system and a memory. Prompts have been saved in advance in the patient's own voice, and stored in the memory. In case of an emergency, the prompts may be played by the speaker system in the patient's own voice, and heard by a bystander.

Abstract: A CPR chest compression machine includes a retention structure that is configured to retain a body of the patient, and a compression mechanism. The compression mechanism is coupled to the retention structure and configured to perform successive compressions to the patient's chest. Various types of chest compressions may be performed on a patient during a single resuscitation event. Some embodiments also include a driver configured to drive the compression mechanism. The compression mechanism may thus perform chest compressions that differ from each other in a number of aspects, for example the depth of the compressions or the height of the active decompressions between the compressions. Some embodiments also include an adjustment mechanism. The adjustment mechanism may shift the compression mechanism with respect to the patient so that the chest compressions are performed at different locations of the patient's chest.

Abstract: A chest compression device includes a piston to apply compression to the sternum and incorporates leaf springs simultaneously driven by the piston to apply lateral compression to the thorax during chest compressions. A motor in the chest compression device provides motive power to cyclically extend and contract the piston to provide therapeutic chest compressions. One end of each leaf spring is operably connected to the piston and the other end of each leaf spring is secured to the backboard/base or to a support leg of the chest compression device such that during extension of the piston, each leaf spring is compressed against the device base or leg which causes the springs to flex and provide lateral compression of the patient's thorax in addition to the sternal compression of the piston.

Abstract: A CPR system includes a retention structure to retain the patient's body, and a compression mechanism to perform CPR compressions to the patient's chest. The CPR system further includes a processor to control the compression mechanism, and thus the performance of the CPR compressions. In embodiments, the CPR system compresses at a rate or frequency that is purposely sub-optimal for circulation at least some of the time, and especially when it is detected that the patient has regained consciousness. An advantage can be that the patient may thus faint again, and therefore perceive less of the unpleasant experience of the mechanical chest compressions that the CPR system continues to perform on them as it preserves them alive.