Automatic biopsy instruments used through a coaxial bone biopsy system with an eccentric drill tip
Title: Automatic biopsy instruments used through a coaxial bone biopsy system with an eccentric drill tip
Authors: Astrom, K. G.; Sundstrom, J. C.; Lindgren, P. G.; Ahlstrom, K. H.
Journal: Acta Radiologica
Year: 1995
Volume: 36
Number: 3
Page: 237-242
Abstract:
Twenty-eight consecutive CT (n = 23) or ultrasonographically (n = 5) guided biopsy procedures were performed on musculoskeletal lytic lesions covered (n = 13) or not covered (n = 15) with intact bone. Specimens were obtained by means of Biopty techniques (n = 27), i.e. Biopty and Monopty instruments, through different cannulas with normal or shortened needle-throws. Four out of 5 bone penetrations were successful with an Ostycut needle, and all 8 bone penetrations by a coaxial bone biopsy system with an eccentric drill. The eccentric drill makes a hole in the cortical bone larger than the diameter of the outer cannula of this system, making it easy to anchor the cannula and then coaxially insert a Biopty-Gun needle for example. The overall histopathological diagnostic accuracy of the Biopty techniques was 25/27 (92.6%).
Date:
Keywords: Adolescent; Adult; Aged; Aged, 80 and over; Automation; Biopsy, Needle/adverse effects/*instrumentation; Bone Diseases/*pathology; Bone Neoplasms/pathology; Bone and Bones/*pathology; Catheterization/instrumentation; Equipment Design; Female; Humans; Male; Middle Aged; Needles; Pain/etiology; Radiography, Interventional; Surface Properties; Tomography, X-Ray Computed; Ultrasonography, Interventional