Institute of Critical Care Medicine

Clayton Young

Max Harry Weil

Joe Bisera

Wanchun Tang

Carlos Castillo

Devices for treating a patient by measuring a condition, such as the partial pressure of CO, at a location on a mucosal membrane surface in the mouth region of the patient, includes a sensor () with an end () that lies against the mucosal surface, and a seal () that extends 360&#xb0; around the sensor end and presses against the mucosal surface. The sensor end and the seal lie on the first end portion () of a holder () which has a second end portion () that presses against the outside of the patient at a location opposite the sensor and seal. The holder is a clasp which can be formed as a single piece of resilient material that extends in a loop, or which can be formed in the manner of a clothespin with a spring that pivots two bars to urge their end portions towards each other.

Mucosal sensor adaptor

Apparatus for compressing the chest of a patient to stimulate blood circulation, includes a torso wrap () that has a back portion () lying at the back of the patient's chest and a front portion () lying at the front of the patient's chest, and includes a compressor assembly with an actuator () having a pressing member () that can apply a series of force pulses to the sternum of the patient to stimulate blood circulation. The actuator is energized by pressured fluid, with a controlled pressured fluid source () connected by an elongated flexible hose () to the actuator so the pressured fluid source and a control () can lie on the ground and only the actuator lies on the torso wrap. The actuator includes a cylinder () and a plurality of telescoping piston parts () to provide a long stroke in an actuator of small height. A stabilizer () that limits tilt of the actuator from the vertical, includes a saucer-shaped member that presses against the front of the patient.

Chest compressor

A method is provided for controlling an automatic external defibrillator without stopping CPR (primarily chest compressions). While chest compressions continue to be applied to the victim, the system differentiates between (1) a perfusing rhythm that has the capability of leading to a beating heart without a shock and (2) ventricular fibrillation (VF) which sometimes occurs in the presence of ventricular tachycardia (VT), in which there is no capability for leading to a beating heart without a shock. Defibrillation shocks should be applied only when needed and that is in the presence of VF and sometimes in the presence of VT. Electrocardiographic (ECG or EKG) signals obtained from electrodes applied to the patient's chest are analyzed so that the presence of a QRS signal characteristic of a rhythm which has the potential of supporting a beating heart, or the absence of a QRS signal which indicates ventricular fibrillation, may be detected in the presence of artifacts resulting from chest compressions.

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Palm Springs, CA, United States of America

Clayton Young