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. Author manuscript; available in PMC: 2022 Mar 1.
Published in final edited form as: Ultrasound Med Biol. 2020 Nov 26;47(3):603–619. doi: 10.1016/j.ultrasmedbio.2020.10.011

Figure 1.

Figure 1.

Illustration of the ultrasound-guided histotripsy setup for in vivo abscess treatment. For acoustic coupling to the skin, the histotripsy treatment head was immersed in a water container with acoustically transparent window positioned over the abscess. The treatment head was attached to either a flexible positioning (or robot) arm that allowed manual (or automated) movement of the transducer focus across the targeted abscess while delivering a specified treatment protocol at each focus location.