Methods and devices for providing acoustic hemostasis

Details Methods and devices for providing acoustic hemostasis Methods and devices for providing acoustic hemostasis

1999-06-04

2000-07-04

Smith, Ruth S.

Surgery

Diagnostic testing

Bleeding detection

600439, 600454, 601 2, A61B 500

Patent

active

060831596

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.

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