Energy delivery conduits for use with electrosurgical devices
View Patent ↗A conduit assembly for transmitting energy between an electrosurgical energy generator and an energy delivering device comprises a first cable sub-assembly including a cable having a flexibility and an energy attenuation; a second cable sub-assembly including a cable having a flexibility and an energy attenuation; wherein the flexibility of the cable of the first cable sub-assembly is less than the flexibility of the cable of the second cable sub-assembly; and wherein the energy attenuation of the cable of the first cable sub-assembly is less than the energy attenuation of the cable of the second cable sub-assembly.
1. A conduit assembly for transmitting electrosurgical energy between an electrosurgical generator and an energy-delivery device, the conduit assembly comprising:
a first cable sub-assembly including a cable having an energy attenuation; and
a second cable sub-assembly including a cable having an energy attenuation;
wherein the energy attenuation of the cable of the first cable sub-assembly is less than the energy attenuation of the cable of the second cable sub-assembly.
2. The conduit assembly according to claim 1 , wherein the cable of the first cable sub-assembly has a diameter and the cable of the second cable sub-assembly has a diameter less than the diameter of the cable of the first cable sub-assembly.
3. The conduit assembly according to claim 2 , wherein the cable of the second cable sub-assembly has a flexibility, and the cable of the first cable sub-assembly has flexibility less than the flexibility of the cable of the second cable sub-assembly.
4. The conduit assembly according to claim 1 , wherein the cable of the first cable sub-assembly has a length, and the cable of the second cable sub-assembly has length less than the length of the cable of the first cable sub-assembly.
5. The conduit assembly according to claim 1 , further comprising a connector assembly having a first connector operatively connected to a first end of the cable of the first cable sub-assembly and a second connector operatively connected to a second end of the cable of the second cable sub-assembly, wherein the first and second connectors are matable with one another to electrically connect the cable of the first cable sub-assembly with the cable of the second cable sub-assembly.
6. The conduit assembly according to claim 1 , wherein the cable of the first cable sub-assembly includes an inner conductor surrounded by a dielectric material, and an outer conductor surrounding the dielectric material; and
wherein the cable of the second cable sub-assembly includes an inner conductor surrounded by a dielectric material, and an outer conductor surrounding the dielectric material.
7. The conduit assembly according to claim 6 , wherein the outer conductor of the second cable sub-assembly is surrounded by an outer sheath to prevent user contact therewith.
8. The conduit assembly according to claim 1 , wherein the conduit assembly has an energy loss of about −1.79 dB.
9. The conduit assembly according to claim 1 , wherein the conduit assembly has an energy loss of about −1.37 dB.
10. The conduit assembly according to claim 1 , wherein the cable of the first cable sub-assembly includes a generator connector adapted to connect the proximal end of the cable of the first cable sub-assembly and the electrosurgical generator.
11. The conduit assembly according to claim 1 , wherein the cable of the second cable sub-assembly includes a device connector adapted to connect the distal end of the cable of the second cable sub-assembly and the energy-delivery device.
12. A conduit assembly for transmitting energy, comprising:
a first cable sub-assembly including proximal and distal ends, the proximal end adapted for connection to an electrosurgical energy generator, the first cable sub-assembly including:
a first cable including:
a first inner conductor;
a first outer conductor disposed coaxially around the first inner conductor; and
a first dielectric material disposed between the first inner conductor and the first outer conductor;
wherein the first cable has a first energy attenuation;
a second cable sub-assembly including proximal and distal ends, the proximal end adapted for interconnecting the first cable sub-assembly and the second cable sub-assembly, and the distal end configured to be operatively connected to an energy-delivery device, the second cable sub-assembly including:
a second cable including:
a second inner conductor; and
a second outer conductor disposed coaxially around the second inner conductor;
wherein the second cable has a second energy attenuation; and
wherein the second energy attenuation is greater than the first energy attenuation.
13. The conduit assembly according to claim 12 , wherein the first cable has a first diameter and the second cable has a second diameter.
14. The conduit assembly according to claim 13 , wherein the first diameter is greater than the second diameter.
15. The conduit assembly according to claim 12 , wherein the first inner conductor includes a conductive plating surrounding the first inner conductor.
16. The conduit assembly according to claim 12 , wherein the second inner conductor includes a conductive plating surrounding the first inner conductor.
17. The conduit assembly according to claim 12 , further comprising a first connector interconnecting the distal end of the first cable sub-assembly and the proximal end of the second cable sub-assembly.
18. The conduit assembly according to claim 12 , wherein the first cable has a flexibility, and the second cable has a flexibility.
19. The conduit assembly according to claim 18 , wherein the flexibility of the first cable is less than the flexibility of the second cable.
20. The conduit assembly according to claim 12 , wherein the second outer conductor is surrounded by an outer sheath to prevent user contact therewith.