Abstract: A mechanical cardiopulmonary resuscitation (CPR) device that includes a central housing, a telescoping piston, and a driving component. The telescoping piston includes an outer piston sleeve structured to move toward and away from the patient's torso and toward and away from the central housing. The proximal end of the outer piston sleeve is configured to remain within the central housing when the telescoping piston extends from the central housing. The telescoping piston includes an inner piston sleeve within the outer piston sleeve that is structured to move relative to the outer piston sleeve toward and away from the patient's torso. The proximal end of the inner piston sleeve is configured extend beyond the central housing when the telescoping piston extends from the central housing. The driving component is configured to drive the telescoping piston to extend toward the patient's torso and retract the telescoping piston from the patient's torso.

Abstract: A device for applying compressions to a chest of a patient has a suction cup configured to contact the chest of the patient. The device also has a valve configured to allow air to exit or to enter a cavity through a boundary of the suction cup, the cavity being between the suction cup and the chest of the patient, and the device has a pump configured to evacuate the cavity through the valve.

Abstract: A mechanical cardio-pulmonary resuscitation (CPR) device, having a central unit, a compression mechanism, a support structure, and a distance sensor. The compression mechanism is housed within the central unit and is configured to perform successive CPR compressions to a chest of a patient. The compression mechanism includes a piston, and a drive component coupled to the piston. The drive component is configured to extend the piston away from the central unit and toward the chest of the patient and to retract the piston toward the central unit and away from the chest of the patient. The support structure includes a support leg that is configured to support the chest compression mechanism at a distance from the chest of the patient. The distance sensor is on an underside of the central unit and is configured to measure the distance from the underside of the central unit to the chest of the patient.

Abstract: A backboard for a mechanical cardiopulmonary resuscitation (CPR) device having a first connector, a second connector, an elongated portion, and a position adjustment mechanism. The first connector is structured to couple to a first leg of the mechanical CPR device. The second connector structured to couple to a second leg of the mechanical CPR device. The elongated portion extends along an axis between the first connector and the second connector. The position adjustment mechanism is structured to adjust a patient position on the elongated portion in an adjustment direction that is perpendicular to the axis between the first connector and the second connector.

Abstract: Techniques and devices for extending a piston and/or compression unit, for example connected to a medical device such as a mechanical CPR device, to accommodate different sized patients, are described herein. In some cases, a piston of a mechanical CPR device may include an inner piston at least partially slidable into an external piston sleeve. In one aspect, some aspects, the piston includes sleeves which can move relative to each other to extend the piston. In additional aspects, the compression mechanism may also extend downward toward the patient. In all aspects, the change in length of the piston may be detected and used to modify movement of the piston, for example to more safely perform mechanical CPR.

Abstract: An active backboard that can assist with adjusting a patient on the backboard to ensure that the backboard is correctly aligned for a compression mechanism of an upper portion of a mechanical cardiopulmonary resuscitation (CPR) device to perform compressions. The active backboard can also include multiple layers that can slide or move relative to each other to move the patient relative to the backboard. The active backboard can include roller bars, a wheel, and/or projections to assist with moving a patient relative to the backboard.

Abstract: A cardiopulmonary resuscitation (“CPR”) device has a clamp mechanism coupled with a support leg, structured to move between an unlocked position and a locked position to secure the support leg to a locking rod of a base member. The CPR device further includes a movable stopper comprising a strip-formed spring slidably coupled with the support leg and configured to translate between a barred position and an unbarred position relative to the clamp mechanism, the movable stopper preventing the locking rod from being received in the receiving channel of the when the movable stopper is in the barred position, and the movable stopper allowing the locking rod to be received in the receiving channel when the movable stopper is in the unbarred position, the movable stopper further receiving the pin of the barrel in a slot when the movable stopper is in the unbarred position.

Abstract: An active backboard that can assist with adjusting a patient on the backboard to ensure that the backboard is correctly aligned for a compression mechanism of an upper portion of a mechanical cardiopulmonary resuscitation (CPR) device to perform compressions. The active backboard can also include multiple layers that can slide or move relative to each other to move the patient relative to the backboard. The active backboard can include roller bars, a wheel, and/or projections to assist with moving a patient relative to the backboard.

Abstract: Techniques and devices for extending a piston and/or compression unit, for example connected to a medical device such as a mechanical CPR device, to accommodate different sized patients, are described herein. In some cases, a piston of a mechanical CPR device may include an inner piston at least partially slidable into an external piston sleeve. In one aspect, some aspects, the piston includes sleeves which can move relative to each other to extend the piston. In additional aspects, the compression mechanism may also extend downward toward the patient. In all aspects, the change in length of the piston may be detected and used to modify movement of the piston, for example to more safely perform mechanical CPR.

Abstract: Techniques and devices for extending a piston and/or compression unit, for example connected to a medical device such as a mechanical CPR device, to accommodate different sized patients, are described herein. In some cases, a piston of a mechanical CPR device may include an inner piston at least partially slidable into an external piston sleeve. In one aspect, some aspects, the piston includes sleeves which can move relative to each other to extend the piston. In additional aspects, the compression mechanism may also extend downward toward the patient. In all aspects, the change in length of the piston may be detected and used to modify movement of the piston, for example to more safely perform mechanical CPR.