[특허]Transducer cartridge for an ultrasound therapy head

Transducer cartridge for an ultrasound therapy head 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	A61H-001/00 A61N-007/02 A61B-008/00 A61N-007/00 B01D-019/00 A61B-017/00 A61B-034/10
출원번호	US-0790774 (2013-03-08)
등록번호	US-10010722 (2018-07-03)
발명자 / 주소	Wing, Gregory T. Bockenstedt, Craig R. Crunkilton, Jeffrey R. Bennett, Frederick J.
출원인 / 주소	LIPOSONIX, INC.
대리인 / 주소	Thompson Hine LLP
인용정보	피인용 횟수 : 0 인용 특허 : 33

초록 ▼

Medical ultrasound systems. A base unit is included having system electronics, a user interface and ultrasound control electronics. An ultrasound therapy head is in electronic communication with the base unit. The therapy head includes a replaceable, sealed transducer cartridge with a coupling fluid therein. A cooling system is provided for cooling the coupling fluid. A plurality of guide indicators are positioned around the therapy head to align with crossed lines on a patient so as to properly align the therapy head prior to use. The therapy head can provide variable treatments to an area while the therapy head is in contact with a patient.

대표청구항 ▼

1. A cartridge connectable to a body to form a therapy head, the body including a driver, said cartridge comprising: an acoustic coupling liquid;a sealed enclosure comprising a wall, an interior filled with the acoustic coupling liquid, and an exterior surface, the wall including an acoustic window and an opening sealed to prevent loss of the acoustic coupling liquid from the interior;a high intensity ultrasound transducer in the acoustic coupling liquid inside the sealed enclosure, the high intensity ultrasound transducer having an output surface generally aligned with the acoustic window;a bearing member passing through the opening in the wall and coupled to the high intensity ultrasonic transducer, said bearing member being attachable to the driver in the body to move the high intensity ultrasonic transducer within the sealed enclosure and thereby orient a direction of acoustic energy delivered from the output surface through the acoustic window by the high intensity ultrasonic transducer; anda heat exchanger including a first plurality of tubes that is located inside the sealed enclosure, the first plurality of tubes thermally coupled with the acoustic coupling liquid to remove heat generated by the high intensity ultrasound transducer from the acoustic coupling liquid without removing the acoustic coupling liquid from the sealed enclosure, and the first plurality of tubes configured to receive a cooling liquid for circulation through the first plurality of tubes to cool the acoustic coupling liquid while the acoustic coupling liquid remains isolated from the cooling liquid;wherein the wall includes the acoustic window, a top plate, and sidewalls extending from the top plate to the acoustic window sides, the high intensity ultrasound transducer is configured to move inside the sealed enclosure over a range of movement, and the first plurality of tubes are arranged about a perimeter of the sidewalls to be outside of the range of movement of the high intensity ultrasound transducer. 2. The cartridge of claim 1 wherein the transducer is a short stack transducer assembly. 3. The cartridge of claim 1 wherein the acoustic coupling liquid comprises water. 4. The cartridge of claim 1 further comprising: a metallization layer coating the wall of the sealed enclosure and the acoustic window, the metallization layer configured to reduce a gas permeability of the wall and the acoustic window. 5. The cartridge of claim 4 wherein the metallization layer has a thickness of 500 Ångstroms to 1500 Ångstroms. 6. The cartridge of claim 5 wherein the metallization layer has a thickness that is less than X, where X=[((α−0.09)*1000)/0.03]+500, with X being the metallization layer thickness in Ångstroms, and α being a maximum acceptable acoustic attention in dB in a transmission window. 7. The cartridge of claim 1 wherein the acoustic coupling liquid is not circulated through the wall of the enclosed space during the operation of the high intensity ultrasound transducer. 8. The cartridge of claim 1 wherein the acoustic coupling liquid is not circulated through the opening in the wall of an enclosed space during operation of the high intensity ultrasound transducer. 9. The cartridge of claim 1 wherein the acoustic coupling liquid comprises a volume of 100 to 200 milliliters. 10. The cartridge of claim 1 wherein the sealed enclosure is self-contained. 11. The cartridge of claim 1 wherein the acoustic coupling liquid surrounds the high intensity ultrasound transducer and is configured to couple the acoustic energy from the high intensity ultrasound transducer for delivery through the acoustic window. 12. The cartridge of claim 1 wherein the cartridge is removably connected to the body and is disposable upon removal from the body. 13. The cartridge of claim 1 wherein the cartridge is removable from the body and replaceable as a single unit. 14. The cartridge of claim 1 wherein the acoustic coupling liquid is not removed from the sealed enclosure for degassing during operation of the high intensity ultrasound transducer. 15. The cartridge of claim 1 wherein the acoustic coupling liquid includes dissolved oxygen at a level of less than 12 parts per million. 16. The cartridge of claim 1 wherein the sealed enclosure includes a wall comprised of a first plastic, and the acoustic window is comprised of a second plastic different from the first plastic. 17. The cartridge of claim 16 further comprising: a metallization layer coating the wall of the sealed enclosure and the acoustic window, the metallization layer configured to reduce a gas permeability of the wall and the acoustic window. 18. The cartridge of claim 1 wherein the first plurality of tubes extend in a first serpentine path around the perimeter of the sealed enclosure. 19. The cartridge of claim 18 wherein the heat exchanger further includes a second plurality of tubes, the second plurality of tubes are arranged about the perimeter of the sidewalls to be outside of the range of movement of high intensity ultrasound transducer, and the second plurality of tubes extend in a second serpentine path around the perimeter of the sealed enclosure.

이 특허에 인용된 특허 (33)

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Desilets,Charles S.; Barrett,George; Quistgaard,Jens U.; Darlington,Gregory Paul, Disposable transducer seal.
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Acker, David E.; Wagshul, Mark, MRI-guided therapeutic unit and methods.
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Peszynski,Michael; Merlo,John J.; Rielly,Matthew Robert, Method and apparatus for cooling a contacting surface of an ultrasound probe.
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Cribbs Robert W. ; Hennige Carl W., Method and apparatus for lipolytic therapy using ultrasound energy.
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Klopotek Peter J., Method and apparatus for therapeutic treatment of skin.
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Wendelken Martin E ; Pope Charles L., Method and kit for wound evaluation.
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Buchalter Gilbert (555 Mount Prospect Ave. Newark NJ 07104), Method of transmitting ultrasonic impulses to surface using transducer coupling agent.
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Makin, Inder Raj S.; Barthe, Peter G.; Slayton, Michael H., Methods for treatment of sweat glands.
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Buys Bruno (Lille FRX) Sozanski Jean-Pierre (Thumeries FRX) Mordon Serge (Villeneuve d\Asco FRX) Brunetaud Jean-Marc (La Madeleine FRX) Moschetto Yves (Haubourdin FRX), Process for treatment by irradiating an area of a body, and treatment apparatus usable in dermatology for the treatment.
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Park,William J.; Marian,Vaughn; Petersen,David; Sheljaskow,Todor; Boloforosh,Mirsaid S.; Walters,Worth B.; Ayter,Sevig, System and method for actively cooling transducer assembly electronics.
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Vitek,Shuki; Ezion,Avner, System and method for sensing and locating disturbances in an energy path of a focused ultrasound system.
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Peterson Thomas M. ; Dharmendra Pal ; DeCastro Eugene, Transducer assembly and method for coupling ultrasonic energy to a body for thrombolysis of vascular thrombi.
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Hed Aharon Z. (12 Wagon Trail Dr. Nashua NH 03062), Ultrasonic freeze ablation catheters and probes.
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Djordjevic Borislav B. (Columbia MD) Traugott Stephen C. (Glen Arm MD), Ultrasonic liquid jet probe.
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Gnther Werner (Pulheim DEX) Sauer Ulrich (Erftstadt-Lechenich DEX), Ultrasonic probe suitable for acoustic coupling via a water channel.
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Sorenson Paul D. (Blaine MN) Dickson Dale A. (Fridley MN), Ultrasonic transducer system with fluid applicator.
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Mazess Richard B. ; Wiener Scott A. ; Morris Richard F., Ultrasonometer employing distensible membranes.
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Kelly ; Jr. Walter Patrick ; Herrick Benjamin M., Ultrasound signal processing electronics with active cooling.
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Bommannan Durairaj (San Francisco CA) Okuyama Hirohisa (San Francisco CA) Guy Richard H. (San Francisco CA) Stauffer Paul (San Rafael CA) Flynn Gordon L. (Ann Arbor MI), Ultrasound-enhanced delivery of materials into and through the skin.
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Transducer cartridge for an ultrasound therapy head 원문보기

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Transducer cartridge for an ultrasound therapy head 원문보기

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