A61H2230/205

CPR chest compression system with dynamic parameters based on physiological feedback

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 varied based on feedback gathered from physiological sensors that detect physiological characteristics of the patient during treatment.

Impedance measuring devices and methods for emergency cardiovascular care

Disclosed is a device, method and computer readable media for determining the adequacy of Cardiopulmonary Resuscitation (CPR). The device comprises an electrical source generator, an electrical signal sensor receiving a signal from the electrical source generator and a microprocessor. The microprocessor determines changes in impedance of the patient based on the signal received from the electrical signal sensor. Software executing on the microprocessor determines at least one of intrathoracic volume, change in intrathoracic volume, rate of compression, depth of compression, respiratory volume, and respiratory rate based on the change of impedance of the patient and outputs a signal indicating the adequacy of ventilation and compressions.

Positive pressure pulses cardio-pulmonary resuscitation device
10646672 · 2020-05-12 · ·

A cardiopulmonary resuscitation, CPR, device (100, 200, 400) for delivering intrathoracic pressure pulses to a subject (290), the device comprising an air pressure generator (110, 310, 410) for delivering air to the airways of the subject (290), wherein the air pressure generator (110, 310, 410) is configured to: operate a first mode, wherein in the first mode the air pressure generator (110, 310, 410) generates a first output (412, 770a, 770b) comprising a first plurality of positive pressure pulses (771) for temporally increasing the subject's intrathoracic pressure to induce compressions of the heart of the subject (290) by increasing the volume of the subject's lungs; operate a second mode, wherein in the second mode the air pressure generator (110, 310, 410) generates a second output (414, 880) comprising a second plurality of positive pressure pulses for providing an assured airflow to the lungs of the subject (290); and deliver a resulting output (425, 986, 1086) to the airways of the subject (290), the resulting output being the superposition of the first output (412, 770a, 770b) and of the second output (414, 880); wherein said first plurality of positive pressure pulses (771) have an amplitude greater than 30 mbar and a frequency in a range of 40-240 beats per minute; and wherein said second plurality of positive pressure pulses have an amplitude smaller than 30 mbar and a frequency in a range of 3 to 20 cycles per minute.

Electronic Devices for Assisting Performance of Medical Procedures
20200100983 · 2020-04-02 · ·

An example system includes a first wearable computing device, and at least one additional wearable computing device. The first wearable computing device is configured to retrieve information regarding a series of tasks to be performed in treating a patient in cardiopulmonary arrest. The information includes, for each task, an indication of a user to perform the task, an indication of a time point to perform the task. The first wearable computing device is further configured identify one or more subsets of the information, and transmit each subset to a different corresponding one of the additional wearable computing devices. Each additional wearable computing device is configured to receive, from the first wearable computing device, at least one of the one or more subsets of the information, and output, for each task within a received subset, a corresponding prompt to perform the task at the respective time point associated with the task.

INSTRUMENTED WOUND CLOSURE DEVICE

A wound or incision closure apparatus comprises a first and second panel. Each of the panels comprises a bottom adhesive layer, a medial substrate layer, and an upper load distribution layer which connect the two panels. A sensory or therapeutic element is disposed adjacent, within, or between two or more of the layers. The sensory or therapeutic element can provide sensing and/or therapy for the incision and/or monitor the incision so that the therapy can be customized and updated.

CPR APPARATUS AND METHOD
20190290539 · 2019-09-26 · ·

A CPR apparatus comprises a chest compression unit and a means for mounting the chest compression unit on a patient. The chest compression unit comprises a plunger disposed in a housing. At its one end extending from the housing the plunger has a compression member. The plunger is driven in a reciprocating manner by a reversible electromotor via a mechanical means for translating rotational motion to linear motion or by a linear induction electromotor. The chest compression unit comprises an electromotor control unit including a microprocessor, a first monitoring means for monitoring the position of the plunger in respect of the housing and a second monitoring means for monitoring the position of the plunger in respect of the mechanical means for translating rotational motion to linear motion or the rotor of the linear induction electromotor. The monitored positions are communicated to the electromotor control unit. Also disclosed is a corresponding CPR method.

Synchronizing Chest Compression and Ventilation in Cardiac Resuscitation
20190262226 · 2019-08-29 ·

Apparatus for automatic delivery of chest compressions and ventilation to a patient, the apparatus including: a chest compressing device configured to deliver compression phases during which pressure is applied to compress the chest and decompression phases during which approximately zero pressure is applied to the chest a ventilator configured to deliver positive, negative, or approximately zero pressure to the airway; control circuitry and processor, wherein the circuitry and processor are configured to cause the chest compressing device to repeatedly deliver a set containing a plurality of systolic flow cycles, each systolic flow cycle comprising a systolic decompression phase and a systolic compression phase, and at least one diastolic flow cycle interspersed between sets of systolic flow cycles, each diastolic flow cycle comprising a diastolic decompression phase and a diastolic compression phase, wherein the diastolic decompression phase is substantially longer than the systolic decompression phase.

Electronic devices for assisting performance of medical procedures

An example system includes a first wearable computing device, and at least one additional wearable computing device. The first wearable computing device is configured to retrieve information regarding a series of tasks to be performed in treating a patient in cardiopulmonary arrest. The information includes, for each task, an indication of a user to perform the task, an indication of a time point to perform the task. The first wearable computing device is further configured identify one or more subsets of the information, and transmit each subset to a different corresponding one of the additional wearable computing devices. Each additional wearable computing device is configured to receive, from the first wearable computing device, at least one of the one or more subsets of the information, and output, for each task within a received subset, a corresponding prompt to perform the task at the respective time point associated with the task.

CPR apparatus and method
10350136 · 2019-07-16 · ·

A CPR apparatus includes a chest compression unit and mounting apparatus for mounting the chest compression unit on a patient. The chest compression unit includes a plunger disposed in a housing. At its one end extending from the housing the plunger has a compression member. The plunger is driven in a reciprocating manner by a reversible electromotor via a mechanical apparatus for translating rotational motion to linear motion or by a linear induction electromotor. The chest compression unit includes an electromotor control unit including a microprocessor, a first monitor for monitoring the position of the plunger in respect of the housing and a second monitor for monitoring the position of the plunger in respect of the mechanical apparatus for translating rotational motion to linear motion or the rotor of the linear induction electromotor. The monitored positions are communicated to the electromotor control unit. Also disclosed is a corresponding CPR method.

VENTILATION APPARATUS FOR CARDIOPULMONARY RESUSCITATION WITH MONITORING AND DISPLAY OF THE MAXIMUM CO2 VALUE MEASURED
20190209795 · 2019-07-11 ·

The invention relates to a medical respiratory assistance apparatus for delivering a respiratory gas such as air, which may or may not be enriched with oxygen, to a patient during cardiopulmonary resuscitation (CPR), having a source (1) of respiratory gas, for example a micro-blower, for delivering a respiratory gas to said patient during cardiopulmonary resuscitation (CPR), and means (4) for measuring the CO.sub.2 content, signal-processing and control means (5), and at least one graphical user interface (7). According to the invention, the signal-processing and control means (5) process the CO.sub.2 content measurement signals, to select the maximum CO.sub.2 content value (Vmax) during a given time period (dt), and to transmit this maximum value (Vmax) to the graphical user interface (7), which displays this maximum CO.sub.2 content value (Vmax).