597results about "Heart defibrillators" patented technology

This disclosure is directed to systems and techniques for detecting change in patient health based upon peak and non-peak patient activity data. In some examples, the peak and non-peak patient activity data correspond to one or more peak (time) periods and the one or more non-peak periods, respectively, where at least one peak period and at least one non-peak period corresponds a highest activity level and a lowest activity level, respectively, for a single day. If a change in patient health is detected, the techniques described herein may direct a medical device to generate for display output indicating the detection of the change in patient health.

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.

An implantable lead configured to be implanted in an anterior mediastinum of a patient. The implantable lead includes a generator interface and a lead body coupled to the generator interface. The generator interface is configured to couple the implantable lead to a generator of an implantable treatment device. The lead body includes a sternal portion configured to be positioned in the anterior mediastinum to engage a posterior portion of a sternum of the patient, and a heart wall portion configured to be positioned in the anterior mediastinum to engage a heart wall of a heart of the patient. At least one of the sternal portion or the heart wall portion is configured to deliver treatment energy to the heart of the patient.

A system comprising processing circuitry configured to receive a wirelessly-transmitted message from a medical device, the message indicating that the medical device detected an acute health event of the patient. In response to the message, the processing circuitry is configured to determine a location of the patient, determine an alert area based on the location of the patient, and control transmission of an alert of the acute heath event of the patient to any one or more computing devices of one or more potential responders within the alert area.

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).

This prevents the defibrillator from operating in an unintended mode. [Solution] The defibrillator management system 100 comprises an AED1 that performs discharge processing on a subject and a management server 50 that manages the AED1. The AED1 can switch between an adult mode that performs discharge processing suitable for when the subject is an adult and a preschooler mode that performs discharge processing suitable for when the subject is a preschooler, and transmits mode information to the management server 50 indicating whether the current setting mode is adult mode or preschooler mode.

The invention relates to the field of signal processing, and provides a defibrillator human body shake detection method and system fusing electrocardio and transthoracic impedance in order to solve the problems that the human body shake false alarm rate is high, the human body shake detection precision is low and the reliability is poor when a patient is in a motion state. The defibrillator human body shaking detection method fusing electrocardio and transthoracic impedance comprises the steps that the human body shaking probability of impedance judgment is calculated, and the human body shaking probability of time-frequency analysis is obtained by combining the probability of electrocardio noise; obtaining a human body shaking probability output by the deep learning model through the deep learning model; calculating the confidence coefficient of the deep learning model according to the human body shaking probability output by the deep learning model, and adaptively matching a human body shaking probability calculation strategy to obtain a final human body shaking probability; and comparing the final human body shaking probability with a preset judgment threshold, and determining a human body shaking state. The human body shaking false alarm rate of a patient in a motion state can be reduced, and the human body shaking detection precision and reliability are improved.

Systems, devices, and methods for using a retractable cable to connect an accessory device to a portable medical device are described herein. In some implementations, the retractable cable is retractably stored within a housing and is configured to connect the accessory device to the portable medical device. In some implementations, the retractable cable is configured to connect to a hub that is connected to the portable medical device. The example hub is, in various implementations, configured to connect to one or more retractable cable(s).

Various techniques relate to aligning parameters and audio recordings obtained at a rescue scene. An example method includes receiving, from a first device, a first file including first measurements of a first parameter at first discrete times in a time interval. The first file further indicates a marker output by the first device during the time interval. The method also includes receiving, from a second device, a second file comprising second measurements of a second parameter at second discrete times in the time interval. The method includes detecting the marker output by the first device in the second measurements of the second parameter and based on detecting the signal output by the first device in the second measurements, generating aligned data by time-aligning the first measurements of the first parameter and the second measurements of the second parameter. The method further includes outputting the aligned data.

A medical device is configured to determine tachyarrhythmia evidence in a cardiac signal segment received from a cardiac electrical signal sensed during a pacing escape interval started to schedule a pending cardiac pacing pulse. The medical device may delay the pending cardiac pacing pulse in response to determining the tachyarrhythmia evidence during the pacing escape interval.

An apparatus, such as a defibrillator, has a set of accessories, such as first and second paddles in the case of a defibrillator, received at a set of docking areas, such as first and second pockets in the case of a defibrillator. Electrical connections are made between the paddles and pockets when the paddles are in the pockets, and these electrical connections complete an electric circuit which powers a RFID tag reading function. Paddle information can then be read by the main unit. In this way, the RFID system only operates once the paddles are correctly stowed, rather than when they are simply in the vicinity of the RFID reader and could thereby still pose a safety hazard.

The application provides a medical wireless energy transmission system and an implantable medical device. The system comprises a first device end including a control unit, a phase reconstruction network and at least one pair of antennas arranged side by side; the control unit is connected to the phase reconstruction network, and the phase reconstruction network is connected to the at least one pair of antennas; in a positioning mode, the control unit controls the phase reconstruction network to input excitation signals with opposite phases into the pair of antennas to form an energy null region in space; during relative movement between the first device end and a second device end, when the antenna of the second device end is in the energy null region, a low signal is detected, and the control unit identifies whether the second device end is aligned with the first device end according to the low signal; in an energy transmission mode, the control unit controls the phase reconstruction network to input excitation signals with the same phase into the pair of antennas to form a signal enhancement region. The pair of antennas arranged side by side can realize alignment of the wireless energy transmission device and efficient wireless energy transmission at the same time.

A wearable defibrillator for use in dry and non-dry locations includes a harness, ECG sensing electrodes, therapy electrodes configured to deliver defibrillating shocks, and a user interface pod configured to be attached to the harness. The user interface pod includes a speaker configured to provide an audible alarm and one or more buttons configured to be pressed by the patient to indicate the patient is conscious. The wearable defibrillator also includes a waterproof or water-resistant control unit configured to determine whether the patient is experiencing a cardiac arrhythmia, issue the audible alarm, and deliver the defibrillating shocks. The wearable defibrillator further includes a connection pod configured to electrically couple the therapy electrodes to the control unit. The user interface pod is configured to be electrically coupled to the control unit via a waterproof removable connector, which forms a water-tight seal with the control unit when connected to the control unit.

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.

A resuscitation system employing a handheld device (60) and a front-end rescue device (80) partitioned from the handheld device (60) and powered by the handheld device (60). In operation, the an electrocardiogram (ECG) module of the front-end rescue device (80) communicates electrocardiogram signals from a heart of a patient to the hand-held device, and a rescue controller (70) of the hand-held device controls a charging of a shock module (100) of the front-end rescue device (80) by the battery and / or power supply (61). Subsequent to the charging of the shock module (100), the rescue controller (70) controls a conditional discharging of the shock module (100) to the heart of the patient based on the electrocardiogram signals received by the rescue controller (70) from the electrocardiogram module (90).

An ED configured to wirelessly communicate with an IMD, a method used by the ED, a system including the ED and the IMD, and a method used by such a system are described. When a wireless connection is established between the ED and the IMD, the ED receives an IMD anchor point transmitted by the IMD, and the ED stores the IMD anchor point and the ED anchor point. Thereafter, a timestamp of the signal data and the stored anchor point are used to synchronize the display of different physiological signals, where at least one physiological signal is displayed based on signal data obtained from the IMD via the wireless connection, and where another physiological signal is obtained by the ED without using the wireless connection. Such embodiments enable synchronous common display of such physiological signals even in noisy environments where wireless connections are relatively poor.

A monitor / defibrillator (10) employing a defibrillator controller (30) for, in a manual defibrillation mode, analyzing an unfiltered ECG data including cardiopulmonary resuscitation artifacts for detecting any presence of an unfiltered shockable cardiac rhythm within the unfiltered ECG data, and analyzing a filtered ECG data excluding cardiopulmonary resuscitation artifacts for detecting any presence of a filtered shockable cardiac rhythm within the filtered ECG data. The monitor / defibrillator (10) further employs a monitor controller (40) for, in the manual defibrillation mode, displaying an unfiltered ECG waveform and a filtered ECG waveform, and for delineating a color coding of a shock advised segment of the display of the filtered ECG waveform as an indication of a detection by the defibrillator controller (30) of a presence of the unfiltered shockable cardiac rhythm within the unfiltered ECG data and / or of a detection by the defibrillator controller (30) of a presence of the filtered shockable cardiac rhythm within the filtered ECG data.

To provide an AED aid that protects the privacy of injured or ill individuals, thereby reducing the psychological resistance of rescuers, and that can be used with AEDs installed in any location (indoors or outdoors), as well as an AED set that includes this AED aid. [Solution] The AED assist device 10 is an AED assist device used on an injured person when using an AED, and comprises: a bottom portion 100 on which the injured person's head can be placed and which prevents the AED assist device from moving when the head is placed on it; a tent portion 200 which covers the head so that the face of the injured person cannot be seen from the surroundings when the head is placed on the bottom portion; an opening 300 which allows the face of the injured person to be seen by a rescuer when the head is placed on the bottom portion; and one or more ventilation portions 202 which are provided in a position where the face of the injured person cannot be seen from the surroundings of the tent portion and which allow air to circulate.

A medical device is configured to sense one or more electrophysiological signals including a distal vector signal sensed using a distal electrode of a medical electrical lead when the medical electrical lead is connected to the medical device. Based at least on the distal vector signal, the medical device may detect a migration of a medical electrical lead carrying the distal electrode and generate an output in response to detecting the migration of the medical electrical lead.

An example medical device includes a memory; and processing circuitry coupled to the memory, the processing circuitry is configured to: receive, from one or more electrodes coupled to the medical device, a cardiac signal of a patient; determine an initial indication of a cardiac event based on the cardiac signal; determine whether a particular feature of the cardiac signal satisfies a filter threshold; and in response to the particular feature of the cardiac signal satisfying the filter threshold, activate a filter to filter noise from the cardiac signal.

The invention discloses a defibrillation decision-making method, device and equipment and a computer readable storage medium, and the defibrillation decision-making method comprises the steps: obtaining an electrocardiosignal, and carrying out the filtering and denoising of the electrocardiosignal, and obtaining an electrocardiosignal sequence; performing frequency domain analysis on the obtained electrocardiosignal sequence, and calculating frequency domain characteristic indexes including a sound spectrum flux, an optimized amplitude spectrum area and a sum of average amplitude difference functions; and according to the calculated frequency domain characteristic indexes, a comprehensive decision-making mechanism is adopted to carry out comprehensive decision-making to obtain a decision-making result of a defibrillation state, so that the problems that the defibrillation opportunity is difficult to grasp and the defibrillation effectiveness is limited are solved.

According to an aspect, an improved modular wearable medical device for monitoring a patient's ECG signals and providing therapeutic shocks in the event of a cardiac arrhythmia is provided. The device includes a garment, a plurality of ECG sensing electrodes that are permanently coupled at first predetermined locations on the garment, at least one pocket or receptacle disposed on the garment and configured to removably secure a module with device electronics within a housing to the garment, a plurality of wires or cables permanently integrated into the garment and operably coupling the plurality of permanently coupled ECG sensing electrodes with the sensor interface module, a plurality of therapy electrodes removably coupled to second predetermined locations on the garment, gel deployment circuitry, one or more capacitors, and a therapy control module configured to control the provision of the therapeutic shocks.

A defibrillator (1) for assessing a likelihood of patient refibrillation, comprises an ECG signal input (3) configured to receive ECG signals of the patient, an ECG analysis system (5), in communication with the ECG signal input (3), configured to receive the patient ECG signals, analyse the patient ECG signals to generate an ECG refibrillation indicator representing a likelihood of refibrillation of the patient and use the ECG refibrillation indicator to choose treatment for the patient.

A medical treatment system includes a medical treatment device for monitoring and providing treatment to a patient and a companion device communicatively coupled to the medical treatment device. The medical treatment device may display case information including physiological information visually rendered from physiological sensor inputs in a first display format and transmit the case information and medical data to the companion device. The companion device may include a device interface having a display screen to accept user input instructions for the medical treatment device during a medical event. The companion device may process the case information and medical data received from the medical treatment device and also cause display, at the device interface, of multiple data display views in which each of the display views is selectable via a respective display view selection portion of the device interface.

This invention relates to an electrical device for defibrillation and a method for generating a defibrillation signal. The electrical device for defibrillation is controlled to generate a defibrillation signal from the nth R-wave (E) event inferred as an electrocardiogram waveform (50). n From the event inferred to be the (n+1)th R wave (E) n+1 The time interval up to the n+1th R wave (E) is the first time interval (T1) that exceeds the first predetermined time, and the time interval from the event (E) that is inferred to be the (n+1)th R wave is... n+1 When the rise time from the height of the waveform exceeding the first predetermined value (C1) to reaching the second predetermined value (C2) is less than the third predetermined time, the event (E) inferred to be the (n+1)th R wave is generated by the permit signal generation unit. n+1 A permit signal is generated when the first time interval (T1) is less than the first predetermined time, or when the event is inferred to be the (n+1)th R wave (E). n+1 When the rise time of the R wave exceeds the third specified time, the event (E) from the nth R wave of the inferred ECG waveform (50) is considered. n The event that is inferred to be the (n+2)th R wave (E) n+2 The time interval up to the second time interval (T2) exceeds the second specified time, and the event (E) that is inferred to be the (n+2)th R wave... n+2 When the rise time of the waveform from the height of the first predetermined value (C1) to the second predetermined value (C2) is less than or equal to the third predetermined time, the event (E) inferred to be the (n+2)th R wave is generated by the permit signal generation unit. n+2 Generate a permission signal.

A defibrillation generator for an implantable defibrillation system comprises a housing, a connector block for connecting an electrode lead assembly to be non-transvenously implanted in a patient, and control device for controlling the operation of the defibrillation generator. The connector block has two connectors, to each of which an electrode lead of the electrode lead assembly, said electrode leads having at least one defibrillation electrode pole, is connectable, wherein the control device is configurable to assume a first operating state if an electrode lead is connected to just one of the two connectors, or a second operating state if electrode leads are connected to each of the two connectors.

An implantable pulse generator (1) comprises a pulse generation device (12) configured to generate an output pulse, the pulse generation device (12) comprising a control unit (120), a shock generation circuitry (121) and an output circuitry (122). The shock generation circuitry (121) comprises at least one first energy storage device (C1-C4), at least one second energy storage device (C5) and a first switching device (S5). The first switching device (S5) is electrically connected, at a first circuit node (Al), to the at least one first energy storage device (C1-C4) and is configured to connect, in a closed state, the at least one first energy storage device (C1-C4) with the at least one second energy storage device (C5) and to disconnect, in an open state, the at least one first energy storage device (C1-C4) from the at least one second energy storage device (C5). The shock generation circuitry (121) comprises a first connection line (LI) connecting said first circuit node (Al) to the output circuitry (122) and a second connection line (L2) connecting the at least one second energy storage device (C5) to the output circuitry (122). The shock generation circuitry (121) is configured to generate an output pulse by supplying energy to the output circuitry (122), in the open state of the first switching device (S5), from the at least one first energy storage device (C1-C4) via the first connection line (L1) and, in the closed state of the first switching device (S5), from the at least one first energy storage device (C1-C4) and the at least one second energy storage device (C5) via the second connection line (L2).

In some examples, a system can be used for delivering cardiac resynchronization therapy (CRT). The system may include a pacing device configured to be implanted within a patient. The pacing device can include a plurality of electrodes, signal generation circuitry configured to deliver ventricular pacing via the plurality of electrodes, and a sensor configured to produce a signal that indicates mechanical activity of the heart. Processing circuitry can be configured to identify one or more features of a cardiac contraction within the signal, and determine whether the contraction was a fusion beat based on the one or more features.