345results about "Heart stimulation" patented technology

The invention discloses an external chest compression parameter adjustment method based on thoracic impedance hemodynamics guidance, and belongs to the technical field of external chest compression parameter adjustment. The method comprises the following steps: acquiring a global optimal compression parameter combination through a trained global relationship model to guide initial external chest compression; real-time chest impedance signals are obtained, variational mode decomposition is carried out, and real-time hemodynamic data caused by pressing are determined; performing personalized transfer learning on the global relation model by combining the real-time pressing parameters and the real-time hemodynamic data, and updating a personalized optimal pressing parameter combination; the global relation model is constructed by using an improved Elman neural network, and the improved Elman neural network introduces a physical correction layer for the flow characteristics of blood in deformed blood vessels. The compression parameter adjustment in the actual external chest compression process can be guided to realize optimal compression, and the compression quality is improved; the problems that hemodynamic components are not considered in existing external chest compression, and the compression quality needs to be improved are solved.

The invention relates to the technical field of medical first-aid equipment, and provides intelligent cardio-pulmonary resuscitation equipment based on physical sign information fusion, which comprises a physical sign monitoring module which is integrated with an electrocardiogram monitoring unit, an end-tidal carbon dioxide (ETCO2) monitoring unit and a carotid artery blood flow ultrasonic sensor and is used for acquiring electrocardiosignals, ETCO2 concentration and carotid artery pulse data of a patient in real time; the circulation optimization module comprises an in-vitro double-lower-limb pressurization device, promotes lower limb vein blood backflow through periodic air pressure pressurization, and is provided with a pressure sensor for dynamically adjusting the pressurization intensity. Through the intelligent pressing mechanical arm, the pressing track and the springback strength can be dynamically adjusted according to the pressing effective coefficient (CCF), personal errors caused by fatigue of an operator and individual differences are avoided, high standardization and stability of pressing operation are achieved, cardio-pulmonary resuscitation effectiveness is remarkably improved, lower limb vein blood backflow is promoted through periodic air pressure pressurization, and the cardio-pulmonary resuscitation effect is improved. A pressure sensor is arranged to dynamically adjust the pressurization intensity, and the success rate of cardio-pulmonary resuscitation is increased.

A portable medical treatment apparatus and interactive application that leads a user through a medically acceptable query flow for treating medical emergencies, including cardiac or pulmonary medical emergencies that can be treated with electrotherapy and other medical emergencies.

A manual cardio-pulmonary resuscitator comprises a supporting plate, a bandage, a hard support and a back plate, a through hole is formed in the middle of the supporting plate, a pressing column is arranged in the through hole in a penetrating mode, a pressing plate is arranged at the top end of the pressing column, a pressing head is arranged at the bottom end of the pressing column, the circumference diameter of the pressing plate is larger than that of the pressing column, and an elastic piece is arranged on the pressing column connected to the lower portion of the pressing plate in a sleeving mode. The elastic piece is located between the pressing plate and the supporting plate, and the pressing head is located below the supporting plate. The supporting plate is detachably connected with the back plate through the hard support. The bandages comprise a left bandage and a right bandage, the upper ends of the left bandage and the right bandage are detachably connected with the left end and the right end of the bottom plate respectively, and the bottom ends of the left bandage and the right bandage are detachably connected with the back plate respectively. The invention provides a manual cardio-pulmonary resuscitator which overcomes the defects and can ensure the pressing depth and the pressing effect.

A patient care system for treating a patient is provided. The patient care system includes a patient transport apparatus, a chest compression system configured to provide automatic chest compressions to a patient, and a retainer for securing the chest compression system to the patient. The patient transport apparatus includes a base, an intermediate frame arranged for movement relative to the base, and a patient support deck which defines a patient support surface. The chest compression system includes a driver having a driver body movably supporting a plunger, and a driver frame to support the driver adjacent to the chest of the patient. The retainer includes a collar releasably engageable with the chest compression system, and a brace including a shoulder support and a retainer frame. The shoulder support is arranged to abut a shoulder of the patient and to brace the chest compression system relative to the patient.

A chest compression assist glove is disclosed herein. The chest compression assist glove solves numerous problems in the performance of CPR by a human and is intended to provide mechanical advantage for a single rescuer performing chest compressions. The chest compression assist glove disclosed herein mitigates the fatigue and degradation of performance experienced by the rescuer due to the high energy demands of performing an intrinsically mechanically disadvantaged action over a sustained period.

A pad carrying an array of ECG electrodes can be used to measure ECG signal amplitudes and AMSA, a signal analyzer determines a cardiac position with respect to the pad, and an indication of cardiac position with respect to indicia can be provided on a top surface of the pad for output to the user to guide in performing chest compressions during CPR. The pad may integrate a defibrillator electrode. The apparatus may be an automated external defibrillator (AED).

The cardio-cerebral resuscitation rescue device comprises a base, a guide assembly is arranged on the base, the guide assembly comprises a pair of sliding grooves symmetrically formed in the base, the bottom ends of the two sliding grooves are each provided with a movable base in a sliding and clamping mode, side grooves are formed in the two sides of the base respectively, and the depth of the side grooves is equal to the thickness of the movable bases; a fixed plate connected through a telescopic rod is arranged on the movable seat, a guide plate is arranged at one end of the fixed plate, a positioning plate is slidably clamped on the guide plate, a distance fixing device is rotationally connected to the positioning plate, and ray light sources are arranged at the free end of the distance fixing device and the bottom end of the positioning plate; the guiding assembly arranged in the external defibrillation device can guide non-professional personnel to place patches, so that the device can quickly help a rescuer to arrange the patches when external defibrillation needs to be carried out on a patient, the arrangement efficiency and effect of the external defibrillation device are improved, and then the probability of successful rescue is improved.

The invention relates to the technical field of medical instruments, and particularly discloses a heart disease patient rescue device which comprises two magnets I. The surfaces of the two magnets I are fixedly connected with supporting rods. A connecting rod is slidably mounted in the two supporting rods, a moving mechanism is arranged on the surfaces of the supporting rods, and the moving mechanism comprises that a first air cylinder is mounted in the supporting rods in an embedded mode, and the tail end of the first air cylinder is connected with the bottom of the connecting rod. According to the heart disease patient rescue device, the moving mechanism is arranged, the whole position of the device is conveniently fixed, a first air cylinder pushes a connecting rod to move upwards, the position of a pressing block is moved, the device is more suitable for being used by a patient, meanwhile, thrust of a sliding rod to a second magnet disappears, and at the moment, attraction force of the first magnet and the second magnet drives the second magnet to move upwards; the magnet II is in contact with the bed bottom surface to fix the position of the magnet I, so that the stability of the device is improved.

The invention relates to the technical field of cardio-pulmonary resuscitation compression depth detection, in particular to an interactive depth detection device for cardio-pulmonary resuscitation compression and a detection method. The device comprises a collecting device, a processor and a prompting device, wherein the collecting device is used for collecting pressing position descending depth, pressing frequency and pressing angle information in the cardio-pulmonary resuscitation process; the processor is connected with the acquisition device and is used for comparing the descending depth, the pressing frequency and the pressing angle information acquired by the acquisition device with pre-stored standard cardio-pulmonary resuscitation information and sending different control signals according to comparison results; the prompting device is connected with the processor and used for receiving different control signals sent by the processor, the different control signals are used for controlling the prompting device to conduct different prompting operations, correct action prompts can be given to personnel in the cardiopulmonary resuscitation process, and the personnel can conveniently conduct accurate cardiopulmonary resuscitation actions.

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.

The present invention relates to a system for providing feedback about the quality of real-time chest compressions for cardiopulmonary resuscitation, and a method therefor. According to the present invention, the system for providing feedback about the quality of real-time chest compressions for cardiopulmonary resuscitation comprises: one or two gloves; a first sensor which is attached to and detached from one side of the glove so as to measure the acceleration of chest compressions by a performer in real time; a second sensor which is attached to and detached from the other side of the glove so as to measure the pressure of the chest compressions by the performer in real time; and a control device which receives, in real time, the acceleration of chest compressions and the pressure of the chest compressions measured by the first sensor and the second sensor, so as to determine the current step and state of the chest compressions according to an algorithm, and which displays feedback about the determined quality of the chest compressions.

Systems and methods related to the field of cardiac resuscitation, and in particular to devices for assisting rescuers in performing cardio-pulmonary resuscitation (CPR) are described herein. The system includes an applicator device configured to provide ACD CPR treatment to a patient's chest according to a plurality of phases at least one sensor configured to be coupled to the patient's chest and to measure at least one parameter related to the ACD CPR treatment and information for determining whether at least one transition point of the ACD CPR treatment has been reached; and one or more processors configured to provide a feedback signal based on a parameter for administering ACD CPR treatment to the patient's chest according to a desired treatment protocol.

A medical system comprises a manual patient ventilation unit (200, 700) defining an airflow path. The unit is arranged so that when the unit is applied to a patient (102), the airflow path is in fluid communication with the patient's airway. The patient ventilation unit comprises a ventilation bag (104,212,712) configured to enable manual ventilation of the patient by a rescuer (114). The medical system further comprises at least one sensor (106,204,718,722) in the airflow path positioned to sense the presence of ventilation airflow and determine gas flow rate and / or gas pressure in the airflow path, and a processor arranged to receive data generated by the at least one sensor and determine one or more ventilation quality parameters based on the received data. The medical system further comprises a feedback unit (116) comprising a visual display configured to provide feedback to a rescuer. The feedback comprises a visual indicator provided on the visual display that indicates a quality of ventilations provided to the patient based on the determined one or more ventilation quality parameters.

An automated chest compression device has a shaped actuator rotatably mounted about a shaft and a chest compression plate configured to move linearly based on the shape of the actuator, wherein engagement of the actuator with the chest compression plate converts rotary motion of the actuator into linear motion of the chest compression plate, and whereby, when the device is positioned against the chest of a patient in need of CPR, rotation of the actuator causes the chest compression plate to move linearly in a direction towards and away from the patient's chest and to thereby induce compression and to allow decompression, respectively, of the patient's chest.

A system for assisting a user in performing chest compressions includes at least one input device providing information representative of a plurality of physical characteristics of a patient, at least one chest compression sensor, a feedback device providing chest compression feedback to a user, and at least one processor configured to receive and process the information representative of the plurality of physical characteristics of the patient to determine target chest compression criteria for the patient, receive and process signals indicative of chest compressions from the at least one chest compression sensor to calculate at least one chest compression parameter, determine whether the at least one chest compression parameter meets the target chest compression criteria, and cause the feedback device to provide an indication to the user as to whether the chest compression parameter meets the target criteria.

The invention relates to a sudden cardiac arrest treatment device based on an ultrasonic Doppler feedback technology, and belongs to the field of medical instruments. The cardiac arrest treatment device based on the ultrasonic Doppler feedback technology comprises a first monitoring module used for monitoring the blood flow condition of the neck blood vessel of a target organism; and / or the second monitoring module is used for monitoring the blood oxygen condition of the neck blood vessel of the target organism; the acquisition module is used for acquiring blood supply and / or oxygen supply of the target organism according to the blood flow condition and the blood oxygen condition; the system comprises a blood supply module, a cardio-pulmonary resuscitation pressing module, and / or a ventilation module, and / or a defibrillation module, and the cardio-pulmonary resuscitation pressing module is used for adjusting the pressing depth or pressing frequency according to blood supply and / or oxygen supply; the ventilation module is used for adjusting the ventilation frequency in the cardio-pulmonary resuscitation pressing process according to blood supply and / or oxygen supply; the defibrillation module is used for executing defibrillation operation under the condition that the defibrillable heart rhythm exists. According to the technical scheme, the treatment rate can be increased, and the cardiac arrest treatment quality can be improved.

A system for facilitating cardiopulmonary resuscitation (CPR) by a CPR performer on a patient includes a first sensor configured to be positioned at least partially between a hand of the CPR performer and a chest of the patient. The first sensor is configured to measure a force exerted on the chest of the patient by the hand of the CPR performer. The system also includes a computing system configured to: (1) receive data from the first sensor; (2) compare the data to stored data in a library that corresponds to the data received from the first sensor; and (3) generate one or more outputs in response to the comparison.

An example method includes detecting a blood pressure waveform of a blood vessel of a subject receiving chest compressions; identifying an interpulse interval of the blood pressure waveform, s; and determining a diastolic pressure of the subject by determining a mean of the interpulse interval of the blood pressure waveform or a mean of a portion of the interpulse interval of the blood pressure waveform. The interpulse interval extends between pulse waves transmitted through the blood vessel and caused by the chest compressions.

Disclosed herein is a resuscitation device, comprising an electric pulse generator configured to generate an electric pulse that is administered to a subject, electrodes operative to administer the electric pulse to the subject, at least one sensor configured to measure vital signs of the subject, at least one processing unit configured to monitor the vital signs measured by the at least one sensor, determine the housing and electrodes are properly placed on the subject according to the monitoring of the vital signs, determine what treatment has to be administered to the subject, generate notification instructing the treatment to be administered to the subject, and providing real-time, continuous feedback of treatment provided and condition of the subject.

To provide a resuscitation system for use in the resuscitation of a subject.SOLUTION: A resuscitation system comprises: a computing device (3) configured to input subject information and use the subject information to create a subject resuscitation strategy; a sensor (5) configured to detect subject biosignals and use the subject biosignals to monitor for a subject cardiac arrest event; and a defibrillator (7) configured to determine and deliver a subject resuscitation treatment.SELECTED DRAWING: Figure 1

This application relates to a cardiopulmonary resuscitation (CPR) device and its control method and apparatus. The method includes: outputting a compression command to a compression machine and recording the number of compression command outputs; when the number of outputs reaches a preset value, outputting a delay command to the compression machine and a ventilation command to the ventilator to instruct the ventilator to perform ventilation while the compression machine is in the compression state; and, after confirming that the ventilator has completed the ventilation command and the compression machine has completed the delay command, resetting the number of outputs to zero and returning to the steps of outputting compression commands to the compression machine and recording the number of compression command outputs. This method enables the ventilator and compression machine to work together, effectively avoiding the problem of high airway pressure injury that easily occurs when ventilation and compression operations conflict, and improving the success rate of CPR.

An intelligent cardiopulmonary resuscitation (CPR) defibrillator, and a system and a method for automatically sending time nodes thereof, related to a field of defibrillator devices are provided. The intelligent CPR defibrillator includes a constructing component. The constructing component includes a constructing part, an unfolding part provided at a first side of the constructing part, and at least one clamping part provided at a second side of the constructing part. The constructing part includes a storage box and a defibrillator body provided in the storage box. The system includes a sensor module, a processor module, a mechanical arm module, a defibrillator module, and a communication module.

The application relates to the technical field of automatic rescue, in particular to a rescue device for automatically identifying a drowning person, which comprises a main body plate, the upper end and one side of the main body plate are of an open structure, the upper end of the main body plate is provided with a grabbing and cutting mechanism for clamping the legs of the drowning person and cutting waterweeds, the grabbing and cutting mechanism comprises two accommodating cavities arranged on the side surfaces of the upper end opening of the main body plate, two winding mechanisms are respectively connected in the two accommodating cavities, two grabbing and cutting grass monomers are respectively and slidably connected in the two accommodating cavities, the two grabbing and cutting grass monomers respectively comprise a first fixed body, and a connecting rope is fixedly connected to the arc end of each grabbing and cutting grass monomer; a controller on the side surface of the first fixed body drives a control valve to open, a second impeller drives water flow to impact the guide rods after passing through the control valve, so that the guide rods are driven to move along the guide holes, and the four guide rod end portions drive the clamping rings to clamp the leg root surfaces of the drowning person.

A chest-compression apparatus (1) for cardiopulmonary resuscitation is described. The apparatus comprises a support structure (2) that is configured to span from a person's shoulders to a person's crotch and to hold a chest compressor (3) over the person's chest when in use on a person in a supine position. It also comprises a chest compressor (3) mounted or mountable on the support structure (2). The support structure (2) is configured to span longitudinally over or along the person's chest from at least a region above the person's pelvis (11) to a region above the person's clavicles (12) when the person is in the supine position. In an embodiment, the apparatus (1) includes a backboard (7) for positioning under the person. The support structure 2 can be Y-shaped and attachable to the backboard (7).

The invention discloses a mechanical pressing device for an emergency department in the technical field of treatment of the emergency department, and the mechanical pressing device comprises a treatment bed body, a mechanical pressing device body, a fixing mechanism and an adjusting mechanism, the fixing mechanism comprises a first square plate and a second square plate, and first threaded holes are formed in the exteriors of the first square plate and the second square plate; a threaded fixing rod is rotationally arranged in the first threaded hole, a fixing bearing is installed at one end of the threaded fixing rod, a top plate is installed at the end, away from the threaded fixing rod, of the fixing bearing, a plurality of round holes are symmetrically formed in the top plate, and second threaded holes are formed in the exteriors of the first square plate and the second square plate correspondingly; a rotating threaded rod is rotatably arranged in the second threaded hole, the second holding plate drives the threaded fixing rod to rotate, the threaded fixing rod drives the top plate to move through the fixing bearing, and when the top plate is close to the treatment bed body, rotation of the second holding plate is stopped, the rotating threaded rod is rotated, and one end of the rotating threaded rod enters the round hole through rotation to fix the top plate.

A multimodal optical imaging platform is used to obtain cerebral perfusion-metabolism mismatch metrics for rapid assessment of acute brain injury, ongoing (real-time) feedback to optimize cardiopulmonary resuscitation to improve neurological outcome, and rapid prognosis of recovery. Light of several wavelengths and types is delivered to the tissue, which is then absorbed and scattered by tissue components such as blood and cellular components. Some of this light scatters back to the surface, where it is captured by a detector. The resulting data are processed to obtain blood flow and oxygenation parameters, as well as tissue scattering. These parameters are then combined to calculate metabolism and flow-metabolism coupling / decoupling metrics, which are used to determine ischemic damage, ongoing need for optimal blood flow and oxygenation, and to predict cerebral recovery in patients with acute brain injury during and immediately after cardiac arrest, stroke, traumatic brain injury, etc.

This invention provides a cardiopulmonary resuscitation (CPR) device for clinical use in the emergency department, belonging to the field of emergency critical care technology. Addressing the problems of existing CPR devices' inability to quickly locate the device, wasting rescue time, and their inability to elevate the patient's chin, this invention adds a compression mechanism and a neck support mechanism to the bed frame. The compression mechanism and the neck support mechanism are positioned in contact. Thus, medical personnel only need to place the patient's neck on the support airbag in the neck support mechanism, and then remove the compression mechanism from under the bed frame. This removes the compression mechanism from contact with the neck support mechanism, allowing it to elevate the patient's neck and open the airway. Simultaneously, the compression mechanism rotates after elevation so that the compression block is positioned two finger-widths above the xiphoid process of the patient's body, facilitating multiple CPR compressions.

A system for assisting a rescuer in performing cardio-pulmonary resuscitation (CPR) on a patient includes: a proximity sensor configured to be positioned at a location corresponding to a location of a rescuer's hand when delivering compressions to a patient's chest, the proximity sensor configured to produce a signal indicative of the rescuer's hands being released from the patient's chest; a medical device operatively coupled with the proximity sensor and configured to provide resuscitative treatment to the patient; and a controller communicatively coupled with the medical device and the proximity sensor. The controller is configured to: determine, based upon the signal from the proximity sensor, if the rescuer's hands have been released from the patient's chest, and trigger an action by the medical device in response to a determination that the rescuer's hands have been released from the patient's chest.