Patent application number | Description | Published |
20110251528 | METHODS AND SYSTEMS FOR NON-INVASIVE TREATMENT OF TISSUE USING HIGH INTENSITY FOCUSED ULTRASOUND THERAPY - Methods and systems for non-invasive treatment of tissue using high intensity focused ultrasound (“HIFU”) therapy. A method of non-invasively treating tissue in accordance with an embodiment of the present technology, for example, can include positioning a focal plane of an ultrasound source at a target site in tissue. The ultrasound source can be configured to emit HIFU waves. The method can further include pulsing ultrasound energy from the ultrasound source toward the target site, and generating shock waves in the tissue to induce boiling of the tissue at the target site within milliseconds. The boiling of the tissue at least substantially emulsifies the tissue. | 10-13-2011 |
20120071795 | DERATING METHOD FOR THERAPEUTIC APPLICATIONS OF HIGH INTENSITY FOCUSED ULTRASOUND - Methods of derating a nonlinear ultrasound field and associated systems are disclosed herein. A method of derating a nonlinear ultrasound field in accordance with an embodiment of the present technology can include, for example, calibrating an ultrasound source to a first source voltage (V | 03-22-2012 |
20120259250 | METHODS OF SOFT TISSUE EMULSIFICATION USING A MECHANISM OF ULTRASONIC ATOMIZATION INSIDE GAS OR VAPOR CAVITIES AND ASSOCIATED SYSTEMS AND DEVICES - The present technology is directed to methods of soft tissue emulsification using a mechanism of ultrasonic atomization inside gas or vapor cavities, and associated systems and devices. In several embodiments, for example, a method of non-invasively treating tissue includes pulsing ultrasound energy from the ultrasound source toward the target site in tissue. The ultrasound source is configured to emit high intensity focused ultrasound (HIFU) waves. The target site comprises a pressure-release interface of a gas or vapor cavity located within the tissue. The method continues by generating shock waves in the tissue to induce a lesion in the tissue at the target site. The method additionally includes characterizing the lesion based on a degree of at least one of a mechanical or thermal ablation of the tissue. | 10-11-2012 |
20120302927 | METHODS FOR CHARACTERIZING NONLINEAR FIELDS OF A HIGH-INTENSITY FOCUSED ULTRASOUND SOURCE AND ASSOCIATED SYSTEMS AND DEVICES - The present technology is directed to methods for characterizing nonlinear ultrasound fields and associated systems and devices. In several embodiments, for example, a method of calculating output of a high intensity focused ultrasound (HIFU) device comprises treating a target site with a multi-element HIFU array. In some embodiments, the array comprises a generally spherical segment. The method can further include simulating a field of the array by setting a boundary condition for the array. The boundary condition can be set by simplifying at least one geometrical aspect of the generally spherical segment. | 11-29-2012 |
20130301383 | PORTABLE ACOUSTIC HOLOGRAPHY SYSTEMS FOR THERAPEUTIC ULTRASOUND SOURCES AND ASSOCIATED DEVICES AND METHODS - The present technology relates generally to portable acoustic holography systems for therapeutic ultrasound sources, and associated devices and methods. In some embodiments, a method of characterizing an ultrasound source by acoustic holography includes the use of a transducer geometry characteristic, a transducer operation characteristic, and a holography system measurement characteristic. A control computer can be instructed to determine holography measurement parameters. Based on the holography measurement parameters, the method can include scanning a target surface to obtain a hologram. Waveform measurements at a plurality of points on the target surface can be captured. Finally, the method can include processing the measurements to reconstruct at least one characteristic of the ultrasound source. | 11-14-2013 |
20150017678 | Systems, Devices, and Methods for Separating, Concentrating, and/or Differentiating Between Cells from a Cell Sample - Embodiments are generally related to differentiating and/or separating portions of a sample that are of interest from the remainder of the sample. Embodiments may be directed towards separating cells of interest from a cell sample. In some embodiments, acoustic impedances of the cells of interest may be modified. For example, the acoustic properties of the cells of interest may be modified by attaching bubbles to the cells of interest. The cell sample may then be subjected to an acoustic wave. The cells of interest may be differentiated and/or separated from the remainder of the sample based on relative displacements and/or volumetric changes experienced by the cells of interest in response thereto. The cells of interest may be separated using a standing wave and sorted into separate channels of a flow cell. Optionally, the cells may be interrogated by a light source and differentiated by signals generated in response thereto. | 01-15-2015 |
20150119763 | METHODS AND SYSTEMS FOR NON-INVASIVE TREATMENT OF TISSUE USING HIGH INTENSITY FOCUSED ULTRASOUND THERAPY - Methods and systems for non-invasive treatment of tissue using high intensity focused ultrasound (“HIFU”) therapy. A method of non-invasively treating tissue in accordance with an embodiment of the present technology, for example, can include positioning a focal plane of an ultrasound source at a target site in tissue. The ultrasound source can be configured to emit HIFU waves. The method can further include pulsing ultrasound energy from the ultrasound source toward the target site, and generating shock waves in the tissue to induce boiling of the tissue at the target site within milliseconds. The boiling of the tissue at least substantially emulsifies the tissue. | 04-30-2015 |
20150320383 | Methods and Systems for Estimating a Size of an Object in a Subject with Ultrasound - A system and method for determining, via ultrasound, a size of a concretion in a subject are provided. One or more ultrasound pulses are transmitted into a tissue in the subject, which are then reflected from the tissue and received by the ultrasound transducer. A shadow region obscured by the concretion that does not provide reflected signals is generated, and the width of the shadow region is measured. The width of the object is determined based on the width of the shadow region. | 11-12-2015 |
20150320384 | Methods and Systems for Detecting an Object in a Subject with Ultrasound - A system and method for detecting, via ultrasound, a concretion in a subject are provided. One or more ultrasound pulses are transmitted into the concretion and at least one object of interest, such as a bubble, present in the concretion. Reflection signals from the concretion and the bubble are then contrasted using the twinkling artifact, and a filter removes motion signals. An output device, such as a display, provides an indication of the presence of the concretion based on the reflection signals. | 11-12-2015 |