Techniques for circuit topologies for combined generator
First Claim
1. A method, comprising:
- receiving, by a surgical instrument, a first input indicating a user selection to configure the surgical instrument, the surgical instrument comprising a radio frequency (RF) energy output, an ultrasonic energy output, and a circuit;
receiving, by the surgical instrument, a second input indicating a measure of electrical impedance at the RF energy output, wherein the measure of electrical impedance indicates a tissue with staples, the tissue without staples or an open circuit condition;
receiving, by the surgical instrument a combined radio frequency (RF) and ultrasonic signal from a single output port of a generator;
selecting, by the surgical instrument, a first mode or a second mode of treating the tissue based on the first input and the second input;
wherein;
the first mode comprises;
generating, by the circuit, a RF filtered signal by filtering RF frequency content from the combined signal; and
the second mode comprises;
generating, by the circuit, an ultrasonic filtered signal by filtering ultrasonic frequency content from the combined signal; and
based on the first input and the second input;
providing, by the circuit, the RF filtered signal to the RF energy output;
orproviding, by the circuit, the ultrasonic filtered signal to the ultrasonic energy output.
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Abstract
Provided is a method for managing radio frequency (RF) and ultrasonic signals output by a generator that includes a surgical instrument comprising an RF energy output and an ultrasonic energy output and a circuit configured to receive a combined RF and ultrasonic signal from the generator. The method includes receiving a combined radio frequency (RF) and ultrasonic signal from a generator; generating a RF filtered signal by filtering RF frequency content from the combined signal; filtering ultrasonic frequency content from the combined signal; generating an ultrasonic filtered signal; providing the RF filtered signal to the RF energy output; and providing the ultrasonic filtered signal to the ultrasonic energy output.
2659 Citations
18 Claims
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1. A method, comprising:
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receiving, by a surgical instrument, a first input indicating a user selection to configure the surgical instrument, the surgical instrument comprising a radio frequency (RF) energy output, an ultrasonic energy output, and a circuit; receiving, by the surgical instrument, a second input indicating a measure of electrical impedance at the RF energy output, wherein the measure of electrical impedance indicates a tissue with staples, the tissue without staples or an open circuit condition; receiving, by the surgical instrument a combined radio frequency (RF) and ultrasonic signal from a single output port of a generator; selecting, by the surgical instrument, a first mode or a second mode of treating the tissue based on the first input and the second input; wherein; the first mode comprises; generating, by the circuit, a RF filtered signal by filtering RF frequency content from the combined signal; and the second mode comprises; generating, by the circuit, an ultrasonic filtered signal by filtering ultrasonic frequency content from the combined signal; and based on the first input and the second input; providing, by the circuit, the RF filtered signal to the RF energy output;
orproviding, by the circuit, the ultrasonic filtered signal to the ultrasonic energy output. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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8. A method, comprising:
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receiving, by a surgical instrument, a combined signal comprising a radio frequency (RF) component and an ultrasonic component, from a generator; receiving, by the surgical instrument, a first input indicating a user selection to configured the surgical instrument, the surgical instrument comprising a radio frequency (RF) energy output, an ultrasound energy output, and a circuit configured to steer the RF component to the RF energy output and steer the ultrasonic component to the ultrasonic energy output; receiving, by the surgical instrument, a second input indicating a measure of electrical impedance at the RF energy output, wherein the measure of electrical impedance indicates tissue with staples, tissue without staples, or an open circuit condition; measuring a frequency response of a circuit component of the circuit; and adjusting a frequency of the RF component based on the frequency response of the circuit component, the first input and the second input. - View Dependent Claims (9, 10, 11, 12)
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13. A method, comprising:
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receiving, by a surgical instrument, a first input indicating a user selection of a first option or a second option, the surgical instrument comprising a radio frequency (RF) energy output, an ultrasonic energy output, and a first jaw and a second jaw configured for pivotal movement between a closed position and an open position; receiving, by the surgical instrument, a second input indicating whether the first jaw and the second jaw are in the closed position or in the open position; receiving, by the surgical instrument, a third input indicating electrical impedance at the RF energy output, wherein the electrical impedance indicates a tissue with staples, the tissue without staples or an open circuit condition; selecting, by the surgical instrument, a first mode or a second mode of treating the tissue based on the first input, the second input, and the third input, wherein; the first mode comprises applying RF energy to the tissue, wherein the RF energy is filtered from a combined signal comprising a RF component and an ultrasonic component; and the second mode comprises applying ultrasonic energy to the tissue, wherein the ultrasonic energy is filtered from the combined signal; and selecting, by the surgical instrument, a level of RF energy or ultrasonic energy applied to the tissue based on the first input, second input, and the third input. - View Dependent Claims (14, 15, 16, 17, 18)
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Specification