Title:
拡張凝血塊溶解用の超音波装置
Document Type and Number:
Japanese Patent JP5004584
Kind Code:
B2
Abstract:
An apparatus and method for using ultrasound augmented with microbubbles, thrombolytic drugs or other agents for clot lysis wherein at least one ultrasound transducer generates a plurality of acoustic signals and time, amplitude, phase and frequency modulation of the signals provide more uniform power delivery with fewer gaps in the ultrasound field. Interference patterns from one or multiple transducers are constantly shifted in position. A phased array of transducers may generate a beam that is swept over the area to be treated. In another embodiment, an array of transducers may generate ultrasound at a number of slightly varying frequencies to produce an interference pattern that sweeps in and out through the targeted tissue. A single array may be used to produce both effects simultaneously or separately.
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Inventors:
Culp, William, Sea.
Wilson, James, Dee.
Wilson, James, Dee.
Application Number:
JP2006525498A
Publication Date:
August 22, 2012
Filing Date:
September 03, 2004
Export Citation:
Assignee:
The Board of Trustees of the University of Arkansas
International Classes:
A61B18/00; A61B8/00; A61B17/22; A61N7/00; A61N7/02; A61B
Domestic Patent References:
| JP2000254137A | ||||
| JP1111476A | ||||
| JP2002502804A | ||||
| JP2274247A |
Attorney, Agent or Firm:
Hideto Asamura
Hajime Asamura
Tadashi Tanaka
Toru Mori
Hajime Asamura
Tadashi Tanaka
Toru Mori