Ultrasonic probe with acoustic output sensing

• US 20100204617A1
• Filed: 02/12/2009
• Published: 08/12/2010
• Est. Priority Date: 02/12/2009
• Status: Abandoned Application

• Current Assignee: Ultrashape Ltd.
• Original Assignee: Ultrashape Ltd.
• Inventors: Ben-Ezra, Shmuel
• Application Number:
  US12/379,072
• Publication Number:
  US 20100204617A1
• Time in Patent Office: Days
• US Class Current: 601/2
• CPC Class Codes: A61B 2017/00084 Temperature
• CPC Class Codes: A61B 2017/00106 ultrasonic
• CPC Class Codes: A61B 2017/00119 alarm; indicating an abnormal situation
• CPC Class Codes: A61N 2007/0008 Destruction of fat cells
• CPC Class Codes: A61N 2007/0078 with multiple treatment transducers
• CPC Class Codes: A61N 7/02 Localised ultrasound hyperthermia hyperthermia in general A61F7/00

Abstract

An ultrasonic probe comprising a source adapted to output ultrasonic energy, and an acoustic output sensor adapted to sense at least a portion of the ultrasonic energy. The ultrasonic probe may be, for example, part of an ultrasound system further comprising a controller, wherein the acoustic output sensor may be adapted to transmit a signal in response to sensed ultrasonic energy.

Claims

1. An ultrasonic probe comprising:

a source adapted to output ultrasonic energy; and

an acoustic output sensor adapted to sense at least a portion of said ultrasonic energy.

2. The ultrasonic probe according to claim 1, wherein said ultrasonic probe is adapted for use in a therapeutic procedure.

3. The ultrasonic probe according to claim 2, wherein said therapeutic procedure is a non-invasive body contouring procedure.

4. The ultrasonic probe according to claim 1, wherein said source comprises a piezoelectric transducer.

5. The ultrasonic probe according to claim 4, wherein said piezoelectric transducer is selected from a group consisting of:

a lead-titanate (PbT) transducer, a lead zirconate titanate (PZT) transducer and a polyvinylidene-fluoride (PVDF) transducer.

6. The ultrasonic probe according to claim 1, wherein said source comprises an electromagnetic shockwave emitter (EMSE), and further comprising a reflector adapted to focus shockwaves emitted by said EMSE.

7. The ultrasonic probe according to claim 1, wherein said source comprises a Langevin transducer.

8. The ultrasonic probe according to claim 1, wherein said acoustic output sensor comprises a piezoelectric transducer.

9. The ultrasonic probe according to claim 8, wherein said piezoelectric transducer is selected from a group consisting of:

a lead-titanate (PbT) transducer, a lead zirconate titanate (PZT) transducer and a polyvinylidene-fluoride (PVDF) transducer.

10. The ultrasonic probe according to claim 9, wherein said PVDF transducer comprises a PVDF sheet sandwiched between two plastic sheets.

11. The ultrasonic probe according to claim 1, wherein said acoustic output sensor comprises a fiber optic hydrophone.

12. The ultrasonic probe according to claim 1, wherein said acoustic output sensor comprises a temperature sensor.

13. The ultrasonic probe according to claim 1, wherein said source comprises a phased array of piezoelectric elements, and wherein said acoustic output sensor comprises at least one piezoelectric element of said phased array.

14. The ultrasonic probe according to claim 1, wherein said source comprises a spherical shell section PZT transducer comprising a central hole, and wherein said acoustic output sensor is approximately aligned with said central hole.

15. The ultrasonic probe according to claim 1, further comprising an indicator adapted to indicate sensed ultrasonic energy.

16. The ultrasonic probe according to claim 15, wherein said indicator comprises a light emitting diode (LED).

17. The ultrasonic probe according to claim 15, wherein said indicator comprises a buzzer.

18. An ultrasound system comprising:

a controller; and

an ultrasonic probe comprising a source adapted to output ultrasonic energy and an acoustic output sensor adapted to transmit a signal in response to sensed ultrasonic energy.

19. The ultrasound system according to claim 18, wherein said controller is adapted to receive said signal and to automatically adjust at least one ultrasonic energy parameter based on said signal.

20. The ultrasound system according to claim 18, wherein said controller is adapted to receive said signal and to indicate sensed ultrasonic energy to an operator of said ultrasound system, to enable said operator to manually adjust at least one ultrasonic energy parameter.

21. The ultrasound system according to claim 18, wherein said ultrasound system is adapted for use in a non-invasive body contouring procedure.

22. The ultrasound system according to claim 18, wherein said controller comprises an input module, a processing module and an output module.

23. The ultrasound system according to claim 18, wherein said source comprises a piezoelectric transducer.

24. The ultrasound system according to claim 23, wherein said piezoelectric transducer is selected from a group consisting of:

a lead-titanate (PbT) transducer, a lead zirconate titanate (PZT) transducer and a polyvinylidene-fluoride (PVDF) transducer.

25. The ultrasound system according to claim 18, wherein said source comprises an electromagnetic shockwave emitter (EMSE), and further comprising a reflector adapted to focus shockwaves emitted by said EMSE.

26. The ultrasound system according to claim 18, wherein said source comprises a Langevin transducer.

27. The ultrasound system according to claim 18, wherein said acoustic output sensor comprises a piezoelectric transducer.

28. The ultrasound system according to claim 27, wherein said piezoelectric transducer is selected from a group consisting of:

a lead-titanate (PbT) transducer, a lead zirconate titanate (PZT) transducer and a polyvinylidene-fluoride (PVDF) transducer.

29. The ultrasound system according to claim 28, wherein said PVDF transducer comprises a PVDF sheet sandwiched between two plastic sheets.

30. The ultrasound system according to claim 18, wherein said acoustic output sensor comprises a fiber optic hydrophone.

31. The ultrasound system according to claim 18, wherein said acoustic output sensor comprises a temperature sensor.

32. The ultrasound system according to claim 18, wherein:

said source and said acoustic output sensor are both embodied in a same piezoelectric transducer; and

wherein said controller is adapted to operate said piezoelectric transducer in a test mode, wherein said source is ordered to output said ultrasonic energy and, consecutively, sense an echo of said ultrasonic energy.

33. The ultrasound system according to claim 18, wherein said source comprises multiple piezoelectric elements, and wherein said acoustic output sensor comprises at least one piezoelectric element of said multiple piezoelectric elements.

34. The ultrasound system according to claim 33, wherein said multiple piezo elements constitute a phased array.

35. The ultrasound system according to claim 33, wherein said controller is adapted to operate said source and said acoustic output sensor in a test mode, wherein said source is ordered to output said ultrasonic energy and, consecutively, said acoustic output sensor senses an echo of said ultrasonic energy.

36. The ultrasound system according to claim 18, wherein said source comprises a spherical shell section PZT transducer comprising a central hole, and wherein said acoustic output sensor is approximately aligned with said central hole.

37. The ultrasound system according to claim 18, wherein said ultrasonic probe further comprises an indicator adapted to indicate sensed ultrasonic energy based on said signal.

38. The ultrasound system according to claim 37, wherein said indicator comprises a light emitting diode (LED).

39. The ultrasound system according to claim 37, wherein said indicator comprises a buzzer.

40. A method for testing an ultrasonic probe of an ultrasound system, the method comprising:

activating an ultrasonic probe;

receiving indication of ultrasonic energy emitted from the ultrasonic probe, wherein the indication is based on a signal transmitted by an acoustic output sensor of the ultrasonic probe;

adjusting, based on the indication, at least one ultrasonic energy parameter; and

performing treatment using the ultrasound system with the ultrasonic energy parameter set.

41. The method according to claim 40, wherein the indication is performed directly by the ultrasonic probe, and comprises at least one indication selected from a group consisting of:

a lit light emitting diode (LED), a color-changed sticker and an activated buzzer.

42. The method according to claim 40, wherein the indication is performed by a controller of the ultrasound system, and comprises at least one indication selected from a group consisting of:

a visual indication and an audible indication.