4. Prosthesis (i.e., artificial body members), parts thereof, or ai
  5. Heart valve
  6. Flexible leaflet

Raymond H. Chen

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Fresh, cryopreserved, or minimally cardiac valvular xenografts

Drug – bio-affecting and body treating compositions – Whole live micro-organism – cell – or virus containing – Animal or plant cell
Reexamination Certificate

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In vitro modification of cardiac valvular xenografts

Prosthesis (i.e. – artificial body members) – parts thereof – or ai – Heart valve – Flexible leaflet
Reexamination Certificate

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