Frederick E. Shelton, IV,Jeffrey S. Swayze,Eugene L. Timperman
申请号：
US14664333
公开号：
US20150196295A1
申请日:
2015.03.20
申请国别(地区):
US
年份:
2015
代理人:
摘要：
A powered surgical cutting and fastening instrument includes a drive shaft； a motor； and a gear shifting assembly connected to the drive shaft and the motor. The gear shifting assembly may include at least a first stage gear assembly coupled to the motor and to the drive shaft for operating the gear shifting assembly in a first gear setting； and a gear coupling assembly for selectively coupling at least one additional gear to the drive shaft for operating the gear shifting assembly in a second gear setting.
