Systems and methods for controlling control circuits for independent energy delivery over segmented sections
The present disclosure provides a surgical instrument that includes an end effector having a first jaw, a second jaw that is movable relative to the first jaw, and at least one electrode in the first jaw. The surgical instrument also includes a control circuit configured to provide electrosurgical energy to the at least one electrode and a electrical conductor electrically connected between the end effector and the control circuit. The control circuit includes a shaft control segment and an electrosurgical energy control segment. The shaft control segment is configured to provide a control signal for operating the end effector to the end effector through the electrical conductor. The electrosurgical energy control segment is configured to provide the electrosurgical energy to the at least one electrode through the electrical conductor.
1. A surgical instrument comprising:
an end effector comprising:
a first jaw comprising a distal portion and a proximate portion;
a second jaw that is movable relative to the first jaw; and
at least one electrode in the first jaw;
a control circuit configured to provide electrosurgical energy to the at least one electrode, wherein the control circuit comprises a shaft control segment and an electrosurgical energy control segment; and
a first electrical conductor electrically connected between the end effector and the control circuit;
wherein the shaft control segment is configured to provide a control signal for operating the end effector to the end effector through the first electrical conductor;
wherein the electrosurgical energy control segment is configured to provide the electrosurgical energy to the at least one electrode through the first electrical conductor;
wherein the at least one electrode comprises a first set of electrodes located in the proximate portion of the first jaw and a second set of electrodes located in the distal portion of the first jaw, and wherein the electrosurgical energy control segment is configured to repeatedly alternate electrosurgical energy between the first set of electrodes and the second set of electrodes at a predetermined time interval.
2. The surgical instrument of claim 1 , wherein the electrosurgical energy control segment is electrically isolated from the shaft control segment.
3. The surgical instrument of claim 1 , wherein the electrosurgical energy control segment is configured to electrically isolate the first electrical conductor from the shaft control segment when providing the electrosurgical energy to the at least one electrode.
4. The surgical instrument of claim 3 , further comprising a switch electrically coupled between the electrosurgical energy control segment and the shaft control segment, wherein the electrosurgical energy control segment is configured to electrically isolate the first electrical conductor from the shaft control segment by controlling the switch.
5. The surgical instrument of claim 1 , wherein the electrosurgical energy control segment is configured to electrically isolate the first electrical conductor from the shaft control segment by opening a switch located between the first electrical conductor and the shaft control segment.
6. The surgical instrument of claim 1 , further comprising a second electrical conductor, wherein the shaft control segment is configured to provide the control signal to the end effector through the second electrical conductor and wherein the shaft control segment is configured to provide the control signal to the end effector through the second electrical conductor but not through the first electrical conductor when the electrosurgical energy control segment is providing the electrosurgical energy to the at least one electrode through the first electrical conductor.
7. The surgical instrument of claim 1 , wherein the second jaw comprises an anvil.
8. The surgical instrument of claim 1 , wherein the electrosurgical energy comprises radio frequency (RF) energy.
9. The surgical instrument of claim 1 , further comprising a cutting member, wherein the first jaw and the second jaw define an elongate slot therebetween extending from the proximate portion of the first jaw and wherein the cutting member is slideably receivable within the elongate slot to cut tissue located between the first jaw and the second jaw.
10. The surgical instrument of claim 9 , wherein the first set of electrodes comprises a first electrode and a second electrode, wherein the first electrode is located on a left side of the elongate slot and the second electrode is located on a right side of the elongate slot.
11. The surgical instrument of claim 9 , wherein the second set of electrodes comprises a third electrode and a fourth electrode, wherein the third electrode is located on a left side of the elongate slot and the fourth electrode is located on a right side of the elongate slot.
12. The surgical instrument of claim 1 , wherein the predetermined time interval comprises a first time interval for the first set of electrodes and a second time interval for the second set of electrodes, wherein the first time interval is different from the second time interval.
13. The surgical instrument of claim 1 , wherein the predetermined time interval for the alternation is sufficiently fast enough that the providing of the electrosurgical energy to the first set of electrodes and the second set of electrodes appears to be simultaneous.
14. The surgical instrument of claim 1 , wherein the predetermined time interval is in the range of from about 0.1 to 0.5 seconds.
15. A surgical system comprising:
a radio frequency (RF) energy generator;
a handle body;
an end effector comprising:
a first jaw comprising a distal portion and a proximate portion;
a second jaw that is movable relative to the first jaw; and
at least one electrode in the first jaw;
a control circuit configured to provide RF energy, from the RF energy generator, to the at least one electrode, wherein the control circuit comprises a shaft control segment and an RF control segment; and
a first electrical conductor electrically connected between the end effector and the control circuit;
wherein the shaft control segment is configured to provide a control signal for operating the end effector to the end effector through the first electrical conductor;
wherein the RF control segment is configured to provide the RF energy to the at least one electrode through the first electrical conductor;
wherein the at least one electrode comprises a first set of electrodes located in the proximate portion of the first jaw and a second set of electrodes located in the distal portion of the first jaw, and wherein the RF control segment is configured to repeatedly alternate RF energy between the first set of electrodes and the second set of electrodes at a predetermined time interval.
16. The surgical system of claim 15 , wherein the RF control segment is electrically isolated from the shaft control segment.
17. The surgical system of claim 15 , wherein the RF control segment is configured to electrically isolate the first electrical conductor from the shaft control segment when providing the RF energy to the at least one electrode.
18. The surgical system of claim 17 , further comprising a switch electrically coupled between the first electrical conductor and the shaft control segment, wherein the RF control segment is configured to electrically isolate the first electrical conductor from the shaft control segment by controlling the switch.
19. The surgical system of claim 15 , wherein the RF control segment is configured to electrically isolate the first electrical conductor from the shaft control segment by opening a switch located between the first electrical conductor and the shaft control segment.
20. The surgical system of claim 15 , further comprising a second electrical conductor, wherein the shaft control segment is configured to provide the control signal to the end effector through the second electrical conductor, and wherein the shaft control segment is configured to provide the control signal to the end effector through the second electrical conductor but not through the first electrical conductor when the RF control segment is providing the RF energy to the at least one electrode through the first electrical conductor.