System and method for actively cooling an ultrasound probe
An ultrasound system is provided for imaging an object. The ultrasound system includes an ultrasound probe for acquiring ultrasound data and a cooling subsystem for actively removing heat from the ultrasound probe. The cooling subsystem includes a pump disposed within a reservoir containing a coolant and configured to circulate the coolant through the ultrasound probe via a conduit.
1. An ultrasound system, comprising:
a portable ultrasound probe for contacting a subject and acquiring ultrasound data, comprising:
a self-contained cooling subsystem disposed in said portable ultrasound probe configured to actively removing heat from the ultrasound probe, the self-contained cooling subsystem comprising a pump configured to circulate a coolant through the ultrasound probe via a conduit, the pump being disposed within a reservoir containing the coolant; and a compliant element in a high-pressure portion of the conduit configured to suppress pressure vibrations, wherein the self-contained cooling subsystem is disposed within the portable ultrasound probe.
2. The ultrasound system of claim 1 , wherein the cooling subsystem further comprises a first heat exchanger thermally coupled to the ultrasound probe and the conduit configured to remove heat from the ultrasound probe.
3. The ultrasound system of claim 1 , wherein the cooling subsystem further comprises a second heat exchanger thermally coupled to the conduit configured to remove heat from the coolant.
4. The ultrasound system of claim 3 , wherein the cooling subsystem further comprises a cooling fan configured to cool the second heat exchanger.
5. The ultrasound system of claim 1 , wherein the coolant is a dielectric liquid.
6. The ultrasound system of claim 1 , wherein the conduit comprises a plastic tube.
7. The ultrasound system of claim 1 , wherein the coolant is circulated in a closed loop path.
8. The ultrasound system of claim 1 , wherein the conduit is fastened at one or more joints via fasteners configured to reduce coolant loss at the one or more joints.
9. The ultrasound system of claim 1 , wherein the cooling subsystem further comprises a fluid level sensor configured to monitor coolant level within the reservoir.
10. The ultrasound system of claim 1 , wherein the cooling subsystem further comprises an orifice into the reservoir configured to replenish the coolant within the reservoir.
11. The ultrasound system of claim 1 , wherein the cooling subsystem further comprises a damping material between the pump and the reservoir configured to reduce acoustic noise.
12. The ultrasound system of claim 1 , wherein the compliant element comprises a boundary between the coolant and air or vapor within the reservoir partially filled with the coolant.
13. The ultrasound system of claim 1 , wherein the compliant element comprises a membrane or a bellows between the coolant and air or vapor within the reservoir partially filled with the coolant or between the coolant and outside environment.
14. The ultrasound system of claim 1 , wherein the compliant element comprises a compliant tube placed near the pump outlet within the reservoir.
15. The ultrasound system of claim 14 , further comprising a metal braid, a piece of solder wick, or a piece of larger-diameter less compliant/non-compliant tubing disposed over the compliant tube configured to reduce over-expansion of the compliant tube.
16. An ultrasound system, comprising:
a portable ultrasound probe configured to contact a subject and acquiring ultrasound data; and
a self-contained cooling subsystem configured to actively remove heat from the ultrasound probe, the self-contained cooling subsystem comprising:
a pump configured to circulate a coolant through the ultrasound probe via a conduit, wherein the pump is disposed within a reservoir containing the coolant; and
a compliant element in a high-pressure portion of the conduit configured to suppress pressure vibrations, wherein the self-contained cooling subsystem is disposed within the ultrasound probe.
17. A self-contained system configured to actively cool a portable ultrasound probe, the self-contained system comprising:
a pump configured to circulate a coolant through the portable ultrasound probe via a conduit, wherein the pump is disposed within a reservoir containing the coolant; and
a compliant element in a high-pressure portion of the conduit configured to suppress pressure vibrations, wherein the self-contained system is disposed within the portable ultrasound probe.
18. The system of claim 17 , further comprising a first heat exchanger thermally coupled to the apparatus and the conduit configured to remove heat from the apparatus.
19. The system of claim 17 , further comprising a second heat exchanger thermally coupled to the conduit configured to remove heat from the coolant.
20. A method for actively cooling a portable ultrasound probe, the method comprising:
circulating a coolant through the portable ultrasound probe via a conduit by a pump, wherein the pump is disposed within a reservoir containing the coolant;
suppressing pressure vibrations in a high-pressure portion of the conduit via a compliant element; and
cooling the ultrasound probe from within using a self-contained cooling subsystem disposed in the portable ultrasound probe.
21. The method of claim 20 , further comprising removing heat from the ultrasound probe via a first heat exchanger thermally coupled to the ultrasound probe and the conduit.
22. The method of claim 20 , further comprising removing heat from the coolant via a second heat exchanger thermally coupled to the conduit.
23. The method of claim 22 , further comprising cooling the second heat exchanger via a cooling fan.