4. Surgery
  5. Instruments

David Feng

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Failsafe reconfigurable surgical apparatus

Surgery – Instruments
Reexamination Certificate

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Multipositional ratchet device for surgical retractor

Surgery – Specula – Retractor
Reexamination Certificate

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Reconfiguration surgical apparatus

Surgery – Instruments
Reexamination Certificate

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Profile ID: LFUS-PAI-P-2249393

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