| 摘要 |
A cannula is provided for medical use, and a method for manufacture. The cannula comprises a rigid tube having inner and outer surfaces and having a beveled end. The beveled end defines an end surface which is joined to the inner and outer surfaces of the tube at inner and outer junction edges. The end surface is typically flat in transverse direction between the inner and outer junction edges, and the outer end defines an outer end portion that is bent transversely inwardly.
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