1.   Use of invasive medical devices, such as indwelling catheters, often carries a risk for infection.

2.   Boston Scientific bought Target to boost its line of minimally invasive surgical devices.

3.   Several companies including Intuitive Surgical Device and Oratec Interventions raised funds for minimally invasive surgical devices.

4.   The company manufactures minimally invasive devices used in cardiology and gastrointerology surgery.

a. + device >>共 1590
explosive 10.01%
electronic 5.49%
medical 5.45%
nuclear 3.96%
new 3.19%
wireless 1.86%
hand-held 1.78%
handheld 1.67%
listening 1.48%
incendiary 1.44%
invasive 0.05%
invasive + n. >>共 93
procedure 19.25%
surgery 12.73%
species 7.76%
cancer 4.35%
plant 4.35%
heart 3.73%
technique 3.11%
test 2.17%
treatment 1.55%
infection 1.55%
device 1.24%
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