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Skin temperature control in therapeutic medical ultrasound

A technology of skin temperature and skin, applied in the field of ultrasound therapy, which can solve problems such as limiting actual treatment

Inactive Publication Date: 2013-10-30
SIEMENS MEDICAL SOLUTIONS USA INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, these settings may limit the actual treatment

Method used

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  • Skin temperature control in therapeutic medical ultrasound
  • Skin temperature control in therapeutic medical ultrasound
  • Skin temperature control in therapeutic medical ultrasound

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Embodiment Construction

[0014] A high-intensity focused ultrasound (HIFU) system monitors skin temperature and adjusts the treatment program accordingly. A layer of phantom material is placed between the therapeutic device and the patient's body. Ultrasound imaging can be used to characterize the absolute temperature or temperature changes within this intermediate layer. Gets the temperature measured within this layer to reflect the skin temperature. Any adjustments in the HIFU treatment sequence can be determined based on skin temperature.

[0015] figure 1 One embodiment of a method of controlling skin temperature in medical ultrasound therapy is shown. This embodiment is directed to the control of therapy to control skin temperature. Avoiding overheating of the skin while optimizing thermal dosage can be provided. The actions are performed in the order shown or in a different order. For example, act 14 is ongoing, or interleaved with act 16. Additional, different or fewer acts may be provid...

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Abstract

Skin temperature is measured during medical ultrasound therapy. The temperature of a standoff between the transducer and skin is monitored. The temperature of the standoff relates to the skin temperature. The temperature, whether skin or standoff temperature, is used to control the therapy. The temperature feedback may allow for increased or optimize therapy levels.

Description

technical field [0001] The present invention relates to ultrasound therapy. For example, high intensity focused ultrasound (HIFU) is applied to a site within a patient for treatment, such as by heating the site. Background technique [0002] To heat the site, the transducer generates acoustic energy. Acoustic energy travels from the transducer, through the skin and into the patient. While this area will be heated, other locations such as the skin will not be heated. However, sound energy can heat the skin. Skin heating occurs due to an acoustic impedance mismatch at the contact point between the body and the transducer or a couplant between the body and the transducer. The transducer may also heat the skin. Skin heating is a negative side effect of HIFU treatment. [0003] Skin heating can be minimized by planning. The duration, pulse repetition interval, or other characteristics of the acoustic energy can be set to limit skin heating. However, these settings may lim...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61N7/02A61B5/01G05D23/00
CPCA61N7/02G05D23/00G06F19/00A61B18/04A61B5/01A61B2017/00084A61B2017/00106A61B2017/2253A61B8/5223G01K11/24G16H50/30A61B5/0036G01K13/20
Inventor 徐道中范列湘K.M.塞金斯
Owner SIEMENS MEDICAL SOLUTIONS USA INC