发明名称 |
APPARATUS AND METHOD FOR DIFFERENTIATING BETWEEN TISSUE AND MECHANICAL OBSTRUCTION IN A SURGICAL INSTRUMENT |
摘要 |
A surgical instrument is provided. The surgical instrument includes: a handle assembly; a jaw assembly comprising a staple cartridge containing a plurality of staples and an anvil to form the plurality of staples upon firing; a drive assembly at least partially located within the handle and connected to the jaw assembly and the lockout mechanism; a motor disposed within the handle assembly and operatively coupled to the drive assembly; and a controller operatively coupled to the motor, the controller configured to control supply of electrical current to the motor and to monitor a current draw of the motor, wherein the controller is further configured to terminate the supply of electrical current to the motor in response to a rate of change of the current draw indicative of a mechanical limit of at least one of the jaw assembly, the drive assembly, or the motor. |
申请公布号 |
US2015076206(A1) |
申请公布日期 |
2015.03.19 |
申请号 |
US201414463134 |
申请日期 |
2014.08.19 |
申请人 |
Covidien LP |
发明人 |
Sapre Parag |
分类号 |
A61B17/068 |
主分类号 |
A61B17/068 |
代理机构 |
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代理人 |
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主权项 |
1. A surgical instrument, comprising:
a handle assembly; a jaw assembly comprising a staple cartridge containing a plurality of staples and an anvil to form the plurality of staples upon firing; a drive assembly at least partially located within the handle and connected to the jaw assembly and the lockout mechanism; a motor disposed within the handle assembly and operatively coupled to the drive assembly; and a controller operatively coupled to the motor, the controller configured to control supply of electrical current to the motor and to monitor a current draw of the motor, wherein the controller is further configured to terminate the supply of electrical current to the motor in response to a rate of change of the current draw indicative of a mechanical limit of at least one of the jaw assembly, the drive assembly, or the motor. |
地址 |
Mansfield MA US |