Stent and stented valve delivery systems; cardiac apparatus and instruments, namely, stent and stented valve loading units, and parts and fittings therefor; stent and stented valve retrieval units, and parts and fittings therefor; artificial valves and artificial cardiac valves for use in the repair of cardiac defects, and parts and fittings therefor; stents and parts and fittings therefor; artificial stents and parts and fittings therefor; cardiac stents and parts and fittings therefor; surg...

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Natural or biological subcutaneous valves for implantation; natural or biological subcutaneous valves for internal patient use