531 results about "Cardiopulmonary resuscitation" patented technology

A system and method for monitoring and controlling the therapy of a cardiac rhythm abnormality victim at a remote site by proving immediate access to a medical professional at a central station. The method comprises the steps of: (1) providing a plurality of electrodes for receiving cardiac signals generated by the victim and for the application of electrical pulses to the victim at a remote site; (2) transmitting the signals from the remote site to a central station; (3) receiving the signals at the central station and displaying them for the medical professional; (4) selecting whether to delivery defibrillation or pacing therapy to the victim based on the medical professional's analysis of the signals (5) transmitting the selection results to the remote site; and (6) receiving the selection results at the remote site and applying the selected therapy to the victim.

A wearable cardiopulmonary resuscitation assist device or system including: a wearable article to be worn by a cardiopulmonary resuscitation performer or a patient, for assisting administration of cardiopulmonary resuscitation by the performer; at least one sensor for measuring at least one parameter to assist in cardiopulmonary resuscitation; at least one feedback component for conveying feedback information based on the parameter to the performer for assisting the performer in performing cardiopulmonary resuscitation; and a processing unit, the processing unit being configured to receive the at least one parameter from the at least one sensor and to send information based on the parameter to the at least one feedback component. Also a method for training or improving cardiopulmonary resuscitation procedures using the device.

A system for reducing signal disturbances in ECG, which disturbances are caused by cardio-pulmonary resuscitation (CPR). The system includes a measuring device for measuring one or more signals derived from parameters such as compression depth, lung inflation etc. as a result of CPR. The parameter signals form one or more reference signals that correlate with the signal disturbances. One or more adaptive filters filter the signals out from the signal that constitutes the ECG signals so as to remove disturbances caused by CPR.

A system applies cardiopulmonary resuscitation (CPR) to a recipient. An automated controller is provided together with a compression device which periodically applies a force to a recipient's thorax under control of the automated controller. A band is adapted to be placed around a portion of the torso of the recipient corresponding to the recipient's thorax. A driver mechanism shortens and lengthens the circumference of the band. By shortening the circumference of the band, radial forces are created acting on at least lateral and anterior portions of the thorax. A translating mechanism may be. provided for translating the radial forces to increase the concentration of anterior radial forces acting on the anterior portion of the thorax. The driver mechanism may comprise a tension device for applying a circumference tensile force to the band. The driver mechanism may comprise an electric motor, a pneumatic linear actuator, or a contracting mechanism defining certain portions of the circumference of the band. The contracting mechanism may comprise plural fluid-receiving cells linked together along the circumference of the band. The width of each of the fluid-receiving cells becomes smaller as each cell is filled with a fluid. This causes the contraction of the band and a resulting shortening of the circumference of the band.

The present invention provides a CPR sensor that includes a thin and substantially flat flexible substrate having one or more sensor arrays, a power source, an output interface and a processor or analog circuit, all of which are disposed on the substantially flat flexible substrate. The substrate can be any shape (e.g., rectangular, circular, a polygon, an irregular shape that is decorative) and made from a polymer, metal film or other suitable material. Note that the substrate can be rigid or semi-flexible instead of flexible. A protective layer may cover the sensor array, the power source, and the processor or analog circuit. Alternatively, a protective covering can be used to encapsulate the device. The one or more sensor arrays measure one or more of the following compressions characteristics: compression depth, compression force, compression frequency and compression acceleration.

An electrically activated emergency system for a patient bed comprises: an electrically powered linear actuator for driving a back rest of the patient bed from a lowered back rest position to a raised back rest position and operable to permit the back rest to lower from the raised back rest position to the lowered back rest position without being driven by the linear actuator; and, an independent emergency back rest lowering feature comprising an electrical activation means for activating the linear actuator to permit the back rest to lower from the raised back rest position to the lowered back rest position without being driven by the linear actuator, the electrical activation means not requiring continued operator attendance for continued lowering of the back rest. The present invention permits an attendant, for example a nurse, to press a single button to bring the back rest to a lowered back rest position without having to keep the button pressed so that the attendant is free to immediately begin administering emergency procedures while the back rest is lowering.

Embodiments of the present invention are related to a method and device for the determination and calculation of the depth of chest compressions during the administration of cardiopulmonary resuscitation (CPR). Embodiments use an optical sensor to monitor the distance that a victim's chest is displaced during each compression throughout the administration of CPR. The optical sensor is most commonly an image sensor such as a CMOS or CCD sensor, and more specifically a CMOS image sensor capable of three-dimensional imaging based on the time-of-flight principle. An infrared emitter may illuminate the victim's body and any visible piece of ground beside the victim. As the infrared light interacts with any surfaces it encounters, it is reflected and returns to the image sensor where the time of flight of the infrared light is calculated for every pixel in the image sensor. The distance data is used to gauge the effective displacement of the victim's chest. The optical sensors can be used to visualize the size of a patient and immediately gauge the body type and instruct the user accordingly. Furthermore, optical measurement techniques can be used to accurately measure chest rise during artificial respiration and ensure that proper ventilation is being administered in between compressions. In addition, optical measurements of the chest of the victim and the hands of the rescuer can be used to help ensure that the rescuer has positioned his or her hands in the anatomically correct location for effective CPR.

A computer-implemented method for managing rescue training includes registering a plurality of individuals as potential rescue trainees through a central computer server system, receiving from computing devices that are remote from the central server system information indicative of rate and depth of compression for ones of the potential rescue trainees, and generating comparative data that reflects performance of CPR chest compressions for a first rescue trainee against other rescue trainees. The method also includes providing the comparative data over a network for review by one or more of the rescue trainees.

Systems and methods for applying enhanced guided active compression decompression cardiopulmonary resuscitation are provided. Exemplary systems include a load cell, a handle, an adhesive pad. The handle and the adhesive pad are configured for magnetic coupling.

Systems and methods for applying guided active compression decompression cardiopulmonary resuscitation are provided. Exemplary systems include a load cell, a handle, an adhesive pad. The handle and the adhesive pad are configured for magnetic coupling.

Sensors located on a sensor carrier are placed adjacent one or more of a surgical patient's major thoracic blood-containing structures such as the aorta or pulmonary artery, and characteristics of blood in the blood-containing structures are determined noninvasively by measuring transmission or reflection of light or other types of energy by the blood. Emitters and receptors included in the sensors are connected electrically with suitable electronic signal generating and processing components in a package remote from the sensor carrier.

The present invention comprises a cardiopulmonary resuscitation (CPR) feedback device and a method for performing CPR. A chest compression detector device is provided that measures chest compression during the administration of CPR. The chest compression detector device comprises a signal transmitter operably positioned on the chest of the patient and adapted to broadcast a signal, and a signal receiver adapted to receive the signal. The chest compression detector device also comprises a processor, operably connected to the signal transmitter and the signal receiver. The processor repeatedly analyzes the signal received to determine from the signal a series of measurements of compression of the chest, and feedback is provided to the rescuer based on the series of measurements.

Embodiments of the present concept are directed to medical devices for use by a rescuer who is caring for a patient and includes a bottom device for use with a top device to measure the depth of Cardio Pulmonary Resuscitation (CPR) chest compressions delivered to the chest of a patient. The top device is intended for placement on the chest of the patient and has a top mechanism that is moveable up and down as the chest compressions are delivered to the patient. The bottom device includes a generally elongate member having a handle at one end and a bottom mechanism near the opposite end. The elongate member is structured to be placed under the patient during delivery of CPR. The top mechanism and the bottom mechanism cooperate to generate a value for a net depth of the compressions of the patient chest with reference to each other.

An indicating device assists rescue personnel in administering cardiopulmonary resuscitation (CPR). A transducer measures the pressure drop in a flow tube attached to the patient, and this pressure drop is converted into a flow rate and volume. Another transducer measures the pressure in the flow tube at a point near the patient, the measured pressure being essentially the same as, or related to, the intratracheal pressure. Indicator lights show either red or green or yellow, when the flow rate, and / or the intratracheal pressure, are within or outside of a preferred range. The desired ranges can be adjusted according to the weight of the patient. The device provides immediate guidance for rescue personnel, by indicating whether the volume of gas received by the patient is appropriate, and whether intratracheal pressure is below or above a potentially lethal level. It also provides a prompt light to indicate the desirable rate at which to administer respirations, a rate based upon the measured values of the exhaled volume and the intratracheal pressure.

The present invention relates generally to a support structure for fixating a patient to a treatment unit, and especially to a support structure for fixating the patient to a cardiopulmonary resuscitation unit. An embodiment of the support structure (10) comprises a back plate (100) for positioning behind said patient's back posterior to said patient's heart and a front part (200) for positioning around said patient's chest anterior to said patient's heart. Further, the front part (200) can comprise two legs (210, 220), each leg (210, 220) having a first end (212, 222) pivotably connected to at least one hinge (230, 240) and a second end (214, 224) removably attachable to said back plate (100). Said front part (200) can further be devised for comprising a compression / decompression unit (300) arranged to automatically compress or decompress said patient's chest when said front part (200) is attached to said back plate (100).

A facial mask includes a mask body that is adapted to be coupled to a patient's face. A valve system is coupled to the mask body to permit the inflow of respiratory gasses into the mask body and to permit the outflow of respiratory gasses from the mask body. A metronome is coupled to the mask body to produce a repeating chest compression signal to facilitate the performance of regular chest compressions when performing cardio pulmonary resuscitation. The metronome may also produce a ventilation signal to facilitate the proper ventilation of the patient.

In one embodiment, the invention provides a method for performing cardiopulmonary resuscitation which comprises: 1) interfacing an airway system with a patient's airway, wherein the airway system includes at least a first lumen and a second lumen; 2) repeatedly performing CPR chest compressions on the patient; and simultaneously with the CPR chest compressions; 3) applying a continuous vacuum to the first lumen for a period of time ranging from 10 seconds to the end of the CPR chest compressions; and 4) injecting an effective volume of oxygen gas into the person's lungs at high velocity through the second lumen.In other embodiments, the invention provides a cardiopulmonary resuscitation system for use during the performance of CPR chest compressions on a patient, a novel locking supraglottic airway device, and a valve device for applying vacuum to a patient's airway.

A family of minimally-invasive surgical (MIS) cardiac interventional tools with tactile feedback based upon cardiac mechanical data and physiologic parameters derived from sensors positioned upon the tools are configurable for optimal placement of an end-effector to provide acute cardiac resuscitation and / or remote cardiovascular intervention for a subject. A haptic interface (e.g., a haptic handle, haptic glove or a simulated haptic heart) provides a clinician with real, not virtual, interaction with the cardiovascular anatomy (including intrathoracic organs) of the subject to optimize end-effector placement. The MIS tools optionally include webbed blade portions for exploration of extracardiac or intrathoracic spaces. The blade portions are initially collapsed but expand into an array of finger-like projections that function as sensors, dilatation and / or dissection tools, pharmacological delivery tools, and / or electrodes for sensing, pacing and defibrillation, and / or as a manual, semi-automatic or fully automatic mechanical support system for cardiac resuscitation and / or for restoring intrathoracic organ function(s).

The system and method provide for electrocardiogram analysis and optimization of patient-customized cardiopulmonary resuscitation and therapy delivery. An external medical device includes a housing and a processor within the housing. The processor can be configured to receive an input signal for a patient receiving chest compressions and to select at least one filter mechanism and to apply the filter mechanism to the signal to at least substantially remove chest compression artifacts from the signal. A real time dynamic analysis of a cardiac rhythm is applied to adjust and integrate CPR prompting of a medical device. Real-time cardiac rhythm quality is facilitated using a rhythm assessment meter.

This invention relates to pharmaceutical compositions of epinephrine for delivery to the nasal mucosa and methods of treating a subject in acute severe anaphylaxis, bronchospasm or during cardiopulmonary resuscitation (CPR). The composition further comprising agents, that either prevent localized degradation of epinephrine or enhance its absorption in the nasal mucosa to counter anaphylactic effects, symptoms or complications in a subject.

An apparatus and method to be used in CPR to promote diastolic filling of the heart in cardiac arrest situations during external or internal cardiac compression. A rigid backboard provided with a tilting apparatus to incline the backboard to a desired degree. The backboard can be also provided with a tiltable segment for forward head flexion. The body of a patient victim of cardiac arrest is placed supine over the rigid backboard and the backboard is tilted by actuation of the tilting apparatus to a desired angle thus positioning the patient with feet up and chest down, so that the lower extremities are higher than the abdomen and tilted down toward the abdomen, and the abdomen higher than the chest and tilted down toward the chest. Likewise, being the head flexed forward in respect to the remainder of the body, the head is positioned higher than the heart, and tilted down toward the heart. As a result of such a positioning, the blood in the venous system of the lower extremities, of the abdomen and head will be draining down toward the heart by gravity improving diastolic filling and ultimately will improve cardiac output with internal or external cardiac compressions being carried out with the patient maintained in such position.

An apparatus and method is provided for a defibrillator that specifies treatment protocols in terms of number of chest compressions instead of time intervals. The defibrillator includes a connection port that is configured to attach with a plurality of electrodes that are capable of delivery of a defibrillation shock and / or sensing one or more physical parameters. An energy storage device capable of storing a charge is attached to the plurality of electrodes. A controller is coupled to the plurality of electrodes and the energy storage device, the controller is configured to provide CPR chest compression instructions in terms of the numbers of CPR chest compressions.

A wearable cardiopulmonary resuscitation assist device or system including: a wearable article to be worn by a cardiopulmonary resuscitation performer or a patient, for assisting administration of cardiopulmonary resuscitation by the performer; at least one sensor for measuring at least one parameter to assist in cardiopulmonary resuscitation; at least one feedback component for conveying feedback information based on the parameter to the performer for assisting the performer in performing cardiopulmonary resuscitation; and a processing unit, the processing unit being configured to receive the at least one parameter from the at least one sensor and to send information based on the parameter to the at least one feedback component. Also a method for training or improving cardiopulmonary resuscitation procedures using the device.

A CPR training simulation system is provided. The system obtains signals from various sensor installed in a dummy. Specifically, the system obtains signals representing pressure applied to the dummy, bending degree of an air pocket, and expansion of airway in the dummy. Using the obtained data, the system calculates a flow rate representing air flow via the airway of the dummy and compares with a reference flow rate. The system may include an portable terminal for displaying various guide for a trainee during CPR training.

A system and a method is disclosed for monitoring parameters during cardiopulmonary resuscitation, including a compression measuring means, a ventilation measuring means and a processing means. If at least one of the measured values deviate from a respective reference range, the processing means provides an indication of the deviation. If more than one of the measured values deviate from a respective reference range, the deviations are prioritized with an indication being provided first to the deviation having a higher priority. The invention also regards a device for positioning on a patient's chest during cardiopulmonary resuscitation, which measures compression and which comprises a feedback module for providing a tactile output related to the measurements.

A backboard for an automated cardio pulmonary resuscitation system, said backboard comprising a board element, the board element defining a plane and having a top edge, a bottom edge a first side edge and a second side edge; a set of connectors adapted for connection of the backboard to an automated cardio pulmonary resuscitation unit, said connectors being provided at said side edges; and at least one set of stabilizing elements extending away from an edge and transversely to said plane.