최소 단어 이상 선택하여야 합니다.
최대 10 단어까지만 선택 가능합니다.
다음과 같은 기능을 한번의 로그인으로 사용 할 수 있습니다.
NTIS 바로가기다음과 같은 기능을 한번의 로그인으로 사용 할 수 있습니다.
DataON 바로가기다음과 같은 기능을 한번의 로그인으로 사용 할 수 있습니다.
Edison 바로가기다음과 같은 기능을 한번의 로그인으로 사용 할 수 있습니다.
Kafe 바로가기국가/구분 | United States(US) Patent 등록 |
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국제특허분류(IPC7판) |
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출원번호 | US-0664233 (2015-03-20) |
등록번호 | US-9504855 (2016-11-29) |
발명자 / 주소 |
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출원인 / 주소 |
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인용정보 | 피인용 횟수 : 9 인용 특허 : 908 |
Various embodiments are directed to a method of driving an end effector coupled to an ultrasonic drive system of a surgical instrument. The method comprises generating at least one electrical signal. The at least one electrical signal is monitored against a first set of logic conditions. A first res
Various embodiments are directed to a method of driving an end effector coupled to an ultrasonic drive system of a surgical instrument. The method comprises generating at least one electrical signal. The at least one electrical signal is monitored against a first set of logic conditions. A first response is triggered when the first set of logic conditions is met. A parameter is determined from the at least one electrical signal.
1. A method of driving an end effector coupled to an ultrasonic drive system of a surgical instrument, the method comprising: generating, by a generator, at least one electrical signal;monitoring the at least one electrical signal against a first set of logic conditions;triggering a first response o
1. A method of driving an end effector coupled to an ultrasonic drive system of a surgical instrument, the method comprising: generating, by a generator, at least one electrical signal;monitoring the at least one electrical signal against a first set of logic conditions;triggering a first response of the generator when the first set of logic conditions is met;determining, from the at least one electrical signal, a parameter associated with the surgical instrument, the determined parameter being a rate of temperature change of the end effector assessed by calculating a frequency slope; andcomparing the frequency slope against a predetermined threshold. 2. The method of claim 1, wherein the rate of temperature change is a rate of cooling. 3. The method of claim 1, wherein the rate of temperature change is a rate of heating. 4. A method of driving an end effector coupled to an ultrasonic drive system of a surgical instrument, the method comprising: generating, by a generator, at least one electrical signal;monitoring the at least one electrical signal against a first set of logic conditions;triggering a first response of the generator when the first set of logic conditions is met; anddetermining, from the at least one electrical signal, a parameter associated with the surgical instrument, wherein the determined parameter is proportional to a frequency slope, and wherein the determined parameter is a rate of temperature change of the end effector. 5. The method of claim 4, wherein the rate of temperature change is a rate of cooling. 6. The method of claim 4, wherein the rate of temperature change is a rate of heating. 7. A device for driving an end effector coupled to an ultrasonic drive system of a surgical instrument, the device comprising: a generator configured to generate at least one electrical signal; anda control circuit, comprising: a processor; anda memory storing program instructions, which, when executed by the processor, cause the processor to perform the steps of: monitoring the at least one electrical signal against a first set of logic conditions;triggering a first response of the generator when the first set of logic conditions is met;determining, from the at least one electrical signal, a parameter associated with the surgical instrument, wherein the determined parameter is a rate of temperature change of the end effector assessed by calculating a frequency slope, andcomparing the frequency slope against a predetermined threshold. 8. The device of claim 7, wherein the rate of temperature change is a rate of cooling. 9. The device of claim 7, wherein the rate of temperature change is a rate of heating. 10. A device for driving an end effector coupled to an ultrasonic drive system of a surgical instrument, the device comprising: a generator configured to generate at least one electrical signal; anda control circuit, comprising: a processor; anda memory storing program instructions, which, when executed by the processor, cause the processor to perform the steps of: monitoring the at least one electrical signal against a first set of logic conditions;triggering a first response of the generator when the first set of logic conditions is met; anddetermining, from the at least one electrical signal, a parameter associated with the surgical instrument; andwherein the determined parameter is proportional to a frequency slope, and wherein the determined parameter is a rate of temperature change of the end effector. 11. The device of claim 10, wherein the rate of temperature change is a rate of cooling. 12. The device of claim 10, wherein the rate of temperature change is a rate of heating. 13. A device for driving an end effector coupled to an ultrasonic drive system of a surgical instrument, the device comprising: a generator configured to generate at least one electrical signal; anda control circuit, comprising: a processor; andmemory-storing program instructions, which, when executed by the processor, cause the processor to perform the steps of: monitoring the at least one electrical signal against a first set of logic conditions;triggering a first response of the generator when the first set of logic conditions is met;determining, from the at least one electrical signal, a parameter associated with the surgical instrument; andmonitoring impedance of a transducer of the ultrasonic drive system in a dwells region during pulsed activation. 14. The device of claim 13, wherein the determined parameter is an impedance of the end effector, and wherein the steps further comprise: resetting the generator when the impedance crosses a predetermined threshold.
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