Controlling a temperature of an ultrasonic electromechanical blade according to frequency
US12133660B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 21, 2020 |
| Grant date | Nov 5, 2024 |
| Priority date | — |
| Expiry date | Jun 8, 2043 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61B2505/05
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
An ultrasonic electromechanical system for an ultrasonic surgical instrument may include an ultrasonic blade, a clamp arm disposed opposite the ultrasonic blade, an ultrasonic transducer configured to oscillate the ultrasonic blade in response to a drive signal, and a control circuit coupled to the ultrasonic transducer. The control circuit can be configured to determine a temperature of the ultrasonic blade, increase an amount of power of the drive signal when the temperature of the ultrasonic blade is less than a first predetermined value, and decrease the amount of power of the drive signal when the temperature of the ultrasonic blade is greater than a second predetermined value. The second predetermined value may be greater than the first predetermined value. An ultrasonic generator connectable to the ultrasonic electromechanical system may include the control circuit.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.