WHITTAKER, GREGORY R.,BITTENSON, STEVEN N.,MCALISTER, GARY
申请号：
CA2863794
公开号：
CA2863794A1
申请日:
2014.09.17
申请国别(地区):
CA
年份:
2015
代理人:
摘要：
A cannula system provides a cannula formed of a soft conformable materialsuch as silicone and having an exterior thread. The cannula lacks rigidity,especiallyaxially, and an obturator therefor is provided with an external thread tointeract with thecannula an maintain its shape as it is inserted into a patient's body.
