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ANVIL ASSEMBLY OF CIRCULAR STAPLING DEVICE INCLUDING ALIGNMENT SPLINES
专利权人:
Covidien LP
发明人:
Joseph Guerrera,David Valentine
申请号:
US16720814
公开号:
US20200121323A1
申请日:
2019.12.19
申请国别(地区):
US
年份:
2020
代理人:
摘要:
A tool assembly includes a cartridge assembly, a shell, and an anvil assembly. The shell houses the cartridge assembly and defines a passage. The shell includes alignment splines that are disposed within the passage and define channels between adjacent alignment splines. The anvil assembly includes an anvil and a center rod that extends from the anvil. The center rod defines a longitudinal axis and includes a first spline and second splines. The first spline includes a first leading facet that is configured to engage the alignment splines to clock the anvil assembly relative to the cartridge assembly. The second splines are radially spaced apart about the longitudinal axis. Each of the second splines includes a leading end that defines a plane that is substantially orthogonal to the longitudinal axis. The leading end is configured to crash with the alignments spines when the anvil assembly is misaligned with the cartridge assembly.
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中国工程科技知识中心
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