Lightweight electro-mechanical chest compression device
First Claim
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1. An electro-mechanical chest compression device comprising:
- a housing for supporting a patient'"'"'s back;
a motor disposed in the housing below the patient when the patient is supported by the housing;
a channel beam mounted to the housing, said channel beam laterally oriented with respect to the patient and defining a channel that extends laterally across the width of the housing;
a drive spool spanning the channel beam, said drive spool operably attached to the motor and rotatably attached to the channel beam, wherein the motor is capable of rotating the drive spool;
a belt attached to the drive spool and disposed laterally within the channel, said belt capable of extending at least partially around the chest of a patient, wherein rotation of the drive spool tightens the belt to compress the chest of the patient;
a spline attached to the belt; and
a slot disposed in the drive spool along the length of the drive spool, said slot sized and dimensioned to closely match the size and dimensions of the spline, wherein the belt is attached to the drive spool when the spline is disposed in the slot.
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Abstract
A lightweight electro-mechanical chest compression device. The device is provided with a motor, a brake, a drive spool, a control system, and a metal channel beam to brace the device and guide a compression belt. The belt is provided in a belt cartridge that attaches to the channel beam. In use, the belt is secured around the patient and to the drive spool. The motor tightens the belt by turning the drive spool. The electro-mechanical chest compression device weighs less than 30 pounds when fully assembled with its power source.
50 Citations
7 Claims
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1. An electro-mechanical chest compression device comprising:
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a housing for supporting a patient'"'"'s back; a motor disposed in the housing below the patient when the patient is supported by the housing; a channel beam mounted to the housing, said channel beam laterally oriented with respect to the patient and defining a channel that extends laterally across the width of the housing; a drive spool spanning the channel beam, said drive spool operably attached to the motor and rotatably attached to the channel beam, wherein the motor is capable of rotating the drive spool; a belt attached to the drive spool and disposed laterally within the channel, said belt capable of extending at least partially around the chest of a patient, wherein rotation of the drive spool tightens the belt to compress the chest of the patient; a spline attached to the belt; and a slot disposed in the drive spool along the length of the drive spool, said slot sized and dimensioned to closely match the size and dimensions of the spline, wherein the belt is attached to the drive spool when the spline is disposed in the slot. - View Dependent Claims (2)
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3. An electromechanical chest compression device comprising:
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a housing for supporting a patient'"'"'s back; a motor disposed in the housing below the patient when the patient is supported by the housing; a channel beam mounted to the housing, said channel beam laterally oriented with respect to the patient and defining a channel that extends laterally across the width of the housing; a drive spool spanning the channel beam, said drive spool operably attached to the motor and rotatably attached to the channel beam, wherein the motor is capable of rotating the drive spool; a belt attached to the drive spool and disposed laterally within the channel, said belt capable of extending at least partially around the chest of a patient, wherein rotation of the drive spool tightens the belt to compress the chest of the patient; and a first spindle rotatably attached to a first end of the channel beam and a second spindle rotatably attached to a second end of the channel, said second spindle disposed opposite the first spindle. - View Dependent Claims (4, 5)
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6. An electro-mechanical chest compression device comprising:
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a housing for supporting a patient'"'"'s back; a motor disposed in the housing below the patient when the patient is supported by the housing; a channel beam mounted to the housing, said channel beam laterally oriented with respect to the patient and defining a channel that extends laterally across the width of the housing; a drive spool spanning the channel beam, said drive spool operably attached to the motor and rotatably attached to the channel beam, wherein the motor is capable of rotating the drive spool; a belt attached to the drive spool and disposed laterally within the channel, said belt capable of extending at least partially around the chest of a patient, wherein rotation of the drive spool tightens the belt to compress the chest of the patient; a detent operably connected to a component of the chest compression device selected from the group consisting of the drive spool and the channel beam; and wherein the detent is disposed such that the spool shaft is prohibited from rotating when the chest compression device is not in use. - View Dependent Claims (7)
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Specification