Microwave energy-delivery device and system

Patent metadata

Field	Value
Publication number	US-9913687-B2
Application number	US-201615352300-A
Country	US
Kind code	B2
Filing date	Nov 15, 2016
Priority date	Mar 15, 2013
Publication date	Mar 13, 2018
Grant date	Mar 13, 2018

Abstract

A microwave ablation device including a cable assembly configured to connect a microwave ablation device to an energy source and a feedline in electrical communication with the cable assembly. The microwave ablation device further includes a balun on an outer conductor of the feedline, and a temperature sensor on the balun sensing the temperature of the balun.

First claim

What is claimed is:

1. A microwave probe assembly, comprising:
a microwave probe;
a hub having at least two ports, a proximal portion, and a distal portion;
a hub cap operatively engaged with the distal portion of the hub, the hub cap configured to receive the microwave probe;
a hub divider operatively engaged with the hub to form a first chamber and a second chamber; and
a metal cylinder providing a fluid seal between the first chamber and the second chamber.

2. The microwave probe assembly of claim 1 , wherein the hub divider is formed of an elastomeric material.

3. The microwave probe assembly of claim 1 , wherein the hub divider creates a water tight seal separating the first chamber from the second chamber.

4. The microwave probe assembly of claim 1 , wherein the at least two ports comprise a first port and a second port.

5. The microwave probe assembly of claim 4 , wherein the first chamber is in fluid communication with the first port and the second chamber is in fluid communication with the second port.

6. The microwave probe assembly of claim 1 , further comprising:
an inner tubular member received within a lumen of the hub divider; and
an outer tubular member arranged concentrically around the inner tubular member.

7. The microwave probe assembly of claim 6 , further comprising a first lumen disposed between the outer tubular member and the inner tubular member and a second lumen disposed between the inner tubular member and a feedline.

8. The microwave probe assembly of claim 7 , wherein the first lumen is in fluid communication with the first port and the second lumen is in fluid communication with the second port.

9. The microwave probe assembly of claim 7 , wherein the inner tubular member includes a first portion having a first outer diameter, a second portion having a second outer diameter greater than the first outer diameter, and a neck portion disposed between the first portion and the second portion, wherein the second portion is received within the lumen of the hub divider.

10. The microwave probe assembly of claim 9 , wherein the metal cylinder is disposed within the second portion of the inner tubular member.

11. A microwave probe assembly, comprising:
a microwave probe;
a hub having a port, a proximal portion, and a distal portion;
a hub divider disposed within the hub, the hub divider forming a first chamber and a second chamber; and
a hub cap operatively engaged with the distal portion of the hub, the hub cap configured to receive the microwave probe.

12. The microwave probe assembly of claim 11 , wherein the hub divider creates a water tight seal separating the first chamber from the second chamber.

13. The microwave probe assembly of claim 11 , wherein the port comprises a first port and a second port.

14. The microwave probe assembly of claim 13 , wherein the first chamber is in fluid communication with the first port and the second chamber is in fluid communication with the second port.

15. The microwave probe assembly of claim 11 , further comprising:
an inner tubular member received within a lumen of the hub divider; and
an outer tubular member arranged concentrically around the inner tubular member.

16. The microwave probe assembly of claim 15 , further comprising a first lumen disposed between the outer tubular member and the inner tubular member and a second lumen disposed between the inner tubular member and a feedline.

17. The microwave probe assembly of claim 16 , wherein the first lumen is in fluid communication with the first port and the second lumen is in fluid communication with the second port.

18. The microwave probe assembly of claim 16 , wherein the inner tubular member includes a first portion having a first outer diameter, a second portion having a second outer diameter greater than the first outer diameter, and a neck portion disposed between the first portion and the second portion, wherein the second portion is received within the lumen of the hub divider.

19. The microwave probe assembly of claim 18 , further comprising a metal cylinder providing a fluid seal between the first chamber and the second chamber, the metal cylinder being disposed within the second portion of the inner tubular member.

Assignees

• Covidien Lp

Inventors

• Brannan Joseph D
• Ladtkow Casey M
• Peterson Darion R
• Larson Eric W
• Dickhans William J
• Willyard Richard A
• Case Jason A

Classifications

• A61B2018/00023

  closed, i.e. without wound contact by the fluid · CPC title

• A61B2018/00494

  Stomach, intestines or bowel · CPC title

• A61B2018/00511

  Kidney · CPC title

• A61B2018/00708

  switching the power on or off · CPC title

• A61B2018/00577

  Ablation · CPC title