Invention Grant
US08390169B2 Low energy or minimum disturbance method for measuring frequency response functions of ultrasonic surgical devices in determining optimum operating point
有权
用于测量超声外科手术器械的频率响应功能的低能量或最小扰动方法，用于确定最佳工作点
- Patent Title: Low energy or minimum disturbance method for measuring frequency response functions of ultrasonic surgical devices in determining optimum operating point
- Patent Title (中): 用于测量超声外科手术器械的频率响应功能的低能量或最小扰动方法，用于确定最佳工作点
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Application No.: US13400350Application Date: 2012-02-20
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Publication No.: US08390169B2Publication Date: 2013-03-05
- Inventor: James A. Gilbert
- Applicant: James A. Gilbert
- Applicant Address: US MA Mansfield
- Assignee: Covidien LP
- Current Assignee: Covidien LP
- Current Assignee Address: US MA Mansfield
- Main IPC: H01L41/08
- IPC: H01L41/08
Abstract:
An ultrasonic system is provided that includes an ultrasonic device having an elongated member configured to impart ultrasonic energy to tissue and a resonator configured to impart a frequency to the elongated member. The system also includes an ultrasonic generator configured to supply power to the resonator of the ultrasonic device. The ultrasonic generator has a drive signal generator configured to provide a drive signal, a noise signal generator configure to provide a noise signal, and a controller. The controller receives an output signal from the ultrasonic device and the noise signal from the noise signal generator, calculates a transfer function based on the output signal and the noise signal, and adjusts the drive signal generator based on the calculated transfer function.
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