Devices for providing acoustic hemostasis

Details Devices for providing acoustic hemostasis Devices for providing acoustic hemostasis

1995-11-22

1999-11-30

Smith, Ruth S.

Surgery

Diagnostic testing

Bleeding detection

600439, 600454, 601 2, A61B 800

Patent

active

059933895

ABSTRACT:
Methods and apparatus for the remote coagulation of blood using high-intensity focused ultrasound (HIFU) are provided. A remote hemostasis method comprises identifying a site of internal bleeding and focusing therapeutic ultrasound energy on the site, the energy being focused through an intervening tissue. An apparatus for producing remote hemostasis comprises a focused therapeutic ultrasound radiating surface and a sensor for identifying a site of internal bleeding, with a registration means coupled to the radiating surface and the sensor to bring a focal target and the bleeding site into alignment. The sensor generally comprises a Doppler imaging display. Hemostasis enhancing agents may be introduced to the site for actuation by the ultrasound energy.

REFERENCES:
patent: 4905672 (1990-03-01), Schwarze et al.
patent: 4938217 (1990-07-01), Lele
patent: 5178135 (1993-01-01), Uchiyama et al.
patent: 5233994 (1993-08-01), Shmulewitz
patent: 5630837 (1997-05-01), Crowley

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