• Investigative radiology · Nov 2002

    A steerable guiding device: the new method in ultrasound guidance.

    • Daehee Han, Young Lan Seo, Chul Soon Choi, Ho Chul Kim, Dae Young Yoon, Sang Hoon Bae, Jeung Hee Moon, Seung Hyup Kim, Sam Soo Kim, and Heon Han.
    • Department of Radiology, Kangdong Sacred Heart Hospital, Seoul, Korea.
    • Invest Radiol. 2002 Nov 1;37(11):626-31.

    Rationale And ObjectivesA working model (WM) of a newly designed device for ultrasound-guided puncture was tested.Materials And MethodsWM featured a wheel-shaped metallic guide that passively rotated within the plane of view as the operator tried to redirect the needle. Four operators performed US-guided intercostal puncture of 24 targets in phantoms using a commercially available preset needle guide (PG). 24 other targets were punctured using WM that we have made. The number of needle passage, procedure time, and the number of inadvertent rib touchings were compared between PG use and WM use.ResultsPerformance of WM was comparable to that of PG except in one operator, where WM was associated with fewer needle passage (P = 0.0044) and less procedure time (P = 0.0233).ConclusionsIt is believed that WM will make US-guided procedures both easier and more flexible. The performance of new device should be investigated by in vivo studies.

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