Systems and methods for preparing autologous fibrin glue

Surgery – Blood drawn and replaced or treated and returned to body – Constituent removed from blood and remainder returned to body

Reexamination Certificate

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C604S007000, C604S411000, C604S414000, C604S416000, C424S529000, C210S782000, C210S515000, C210S518000, C600S576000

Reexamination Certificate

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06979307

ABSTRACT:
The invention provides a system for preparing an autologous solid-fibrin web suitable for regenerating tissue in a living organism. The system includes a sealed primary container containing a separation medium and a low-density high-viscosity liquid. The separation medium separates red blood cells from plasma when the container contains blood and is centrifuged, and the primary container has a first pressure. The system further includes a sealed secondary container containing a calcium-coagulation activator. The secondary container has a second pressure that is less than the first pressure. The system also comprises a transfer device including a cannula having a first end and a second end. The first and second ends puncture the sealed primary and secondary containers in order to provide fluid communication between the first and second containers. The low-density high-viscosity liquid of the primary container blocks flow through the cannula upon entering therein.

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