Drive shaft, insertion instrument and insertion device

A drive shaft extends inside a tubular section along a shaft axis, and the drive shaft rotates around the shaft axis while transmitting a driving force generated in a driving source to a driven portion. The drive shaft includes multiple extension sections, and a hard section. Each of the extension s...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: Masaki, Yutaka, Naito, Kimihiko
Format: Patent
Sprache:eng
Schlagworte:
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Beschreibung
Zusammenfassung:A drive shaft extends inside a tubular section along a shaft axis, and the drive shaft rotates around the shaft axis while transmitting a driving force generated in a driving source to a driven portion. The drive shaft includes multiple extension sections, and a hard section. Each of the extension sections extends along the shaft axis. The hard section is interposed between two of the extension sections in a direction along the shaft axis, and has a higher rigidity in comparison to that of the extension sections.