Defibrillator patient connection system with automatic identific

Details Defibrillator patient connection system with automatic identific Defibrillator patient connection system with automatic identific

1993-04-06

1995-08-15

Kamm, William E.

Surgery: light, thermal, and electrical application

Light, thermal, and electrical application

Electrical therapeutic systems

607 5, 607 2, 607 63, 607 37, 607115, 607119, A61N 139

Patent

active

054415209

ABSTRACT:
A defibrillator patient connection system is disclosed for automatically identifying to a defibrillator system the type of pads or paddles assembly connected to the system for conveying electrical energy to shock a patient. Each of the available pads or paddles assemblies is identified by a corresponding analog voltage level provided to the base unit through a corresponding cable assembly. The identification voltage is sensed by an A/D converter in the defibrillator base unit. The identification voltage is provided to the base unit on a charge-done signal line which otherwise is asserted by the base unit to controllably actuate a charge-done indicator light in an external paddles assembly. The disclosed methods and apparatus thus maintain a simple defibrillator/cable assembly interface and require no additional signal lines for implementing automatic identification. A plug assembly latch mechanism also is disclosed that provides the dual functions of locking a plug assembly in place in the defibrillator base unit and preventing actuation of discharge buttons on the plug assembly when the latch is not in the locked position, thereby avoiding a high energy discharge unless the plug assembly is securely locked in position.

REFERENCES:
patent: 4202351 (1980-05-01), Biche
patent: 4681112 (1987-07-01), Jones et al.
patent: 4785812 (1988-11-01), Pihl et al.
patent: 4964407 (1990-10-01), Baker, Jr. et al.
patent: 5233986 (1993-08-01), Robson

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