Invention Grant
US09408631B2 Flexible cannula and obturator 有权
柔性插管和闭孔器

Flexible cannula and obturator
Abstract:
A cannula system provides a cannula formed of a soft conformable material such as silicone and having an exterior thread. The cannula lacks rigidity, especially axially, and an obturator therefor is provided with an external thread to interact with the cannula an maintain its shape as it is inserted into a patient's body.
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