. 2011 Dec 14;6(12):e26110. doi: 10.1371/journal.pone.0026110

Table 1. Ultrasound-guided HIFU devices and the sample size in the clinical trial.

Device	Case (included/all)	Frequency (MHz)	Highest intensity (W/cm²)	Manufacturer
2000	94/363	1.0	≥1000	Shenzhen Xifukang Med. Treatment Technol. Co.
2001	775/1890	1.0	2000	Shanhai Jiaoda Shiye Co.
CZ-901	343/560	0.8	N/A	Mianyang Sonic Electronic
FEP-BY	6827/12139	0.8/1.0	4000	Beijing Yuande Biomed. Eng. Co.
HY2900	31/31	N/A	≥10000	Wuxi Haiying Electronic Med. System Co.
JC	2296/4005	0.8/0.9/1.0/1.6	20000	Chongqing Haifu Technol. Co.
NIT-9000	2896/4613	1.0	3000	Shanghai A&S Sci. Technol. Development Co.