Importance

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Abstract

A multi-modal detection system is appointed to reliably detect metallic surgical instruments such as scalpels, hemostats and the like, and non-metallic surgical implements such as sponges or laparotomy pads and gauze pad associated with an embedded marker. A first system detects metallic surgical instruments and a second independent system detects non-metallic surgical implements. The systems operate sequentially. The metallic surgical implements are removed immediately after detection and prior to scanning by the second system. Shielding of markers embedded in non-metallic surgical implements is thereby prevented. The marker may be a mechanically resonant target or RFID target. The first and second systems may be attached to be a rollaway cart and can comprise hand held antenna.

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First Claim