Chest compression apparatus for cardiac arrest
First Claim
1. A CPR apparatus for increasing the flow of blood in a patient, the apparatus comprising:
- (a) a base contoured to seat near a central region of the patient'"'"'s chest;
(b) a manual actuator;
(c) a substantially inelastic belt for wrapping around the chest; and
(d) a force converter mounted on the base, connected to the actuator and having belt connectors coupled to opposite first and second extremities of the belt, for converting a force manually applied to the actuator and directed inwardly toward the chest into (1) a chest compressing resultant directed through the base toward the chest and (2) belt tightening resultants applied to the belt connectors directed tangential to the chest whereby the inwardly and tangentially directed force increases the blood flow in the natural direction.
2 Assignments
0 Petitions
Accused Products
Abstract
The invention is an apparatus for increasing intrathoracic pressure for resuscitating cardiac arrest patients. The apparatus comprises a flexible, substantially inelastic belt wrapped around the patient'"'"'s chest and attached to a force converter. The force converter converts a downwardly directed force into a chestward resultant, which depresses the sternum, and two belt tightening resultants. The force converter comprises a pair of arm assemblies, each having a pair of spaced arms, which are pivotably mounted to a base. The base is positioned near the patient'"'"'s sternum and the ends of the belt attach to one end of each arm assembly. The opposite, handle ends of the arm assemblies are depressed toward the chest causing tightening of the belt and compression of the chest cavity.
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Citations
68 Claims
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1. A CPR apparatus for increasing the flow of blood in a patient, the apparatus comprising:
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(a) a base contoured to seat near a central region of the patient'"'"'s chest; (b) a manual actuator; (c) a substantially inelastic belt for wrapping around the chest; and (d) a force converter mounted on the base, connected to the actuator and having belt connectors coupled to opposite first and second extremities of the belt, for converting a force manually applied to the actuator and directed inwardly toward the chest into (1) a chest compressing resultant directed through the base toward the chest and (2) belt tightening resultants applied to the belt connectors directed tangential to the chest whereby the inwardly and tangentially directed force increases the blood flow in the natural direction. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44)
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45. A method of CPR treating patients comprising:
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(a) seating a base of a blood flow increasing apparatus on a patient'"'"'s chest near a central region of the chest; (b) wrapping a belt around the patient'"'"'s chest; (c) fastening first and second opposite extremities of the belt to the apparatus; (d) applying a force, directed inwardly toward the chest, to a manual actuator mounted to a converter, said converter connected to the base and the belt; and (e) converting the force into (1) a chest compressing resultant directed toward the chest and (2) belt tightening resultants directed tangentially to the chest whereby the inwardly and tangentially directed force increases the blood flow in the natural direction. - View Dependent Claims (46, 47, 48, 49, 50)
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51. A CPR apparatus for increasing the flow of blood in a patient, the apparatus comprising:
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(a) a base configured to seat near a central region of a patient'"'"'s chest; (b) an actuator; (c) a substantially inelastic belt configured to wrap around the chest; and (d) a force converter mounted on the base, connected to the actuator and having belt connectors coupled to opposite extremities of the belt, for converting a force applied by the actuator into (1) a chest compressing resultant directed inwardly toward the chest and (2) belt tightening resultants directed tangentially to the chest whereby the inwardly and tangentially directed force increases the blood flow in the natural direction. - View Dependent Claims (52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68)
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Specification