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OPTICAL TROCAR ASSEMBLY
专利权人:
Covidien LP
发明人:
Amanda Adinolfi
申请号:
US15919854
公开号:
US20190282081A1
申请日:
2018.03.13
申请国别(地区):
US
年份:
2019
代理人:
摘要:
An optical trocar assembly includes an obturator assembly and a cannula assembly configured for receipt of the obturator assembly. The obturator assembly has a retention member disposed within a cavity defined in an obturator housing of the obturator assembly. The retention member has a main body defining an opening dimensioned for receipt of a surgical instrument. The retention member has a plurality of first sections formed in the main body and circumferentially disposed about the opening. The sections have a reduced thickness relative to the main body to facilitate flexing of the retention member during insertion of a surgical instrument into the opening.
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