Biopsy Instruments, Needles, MAGNUM® Every BARD® Biopsy Instrument and Needle is specially designed to help you achieve one important goal: a large quality, reliable core sample. All needles are engineered for exceptional performance, featuring ultra-sharp tips and polished surfaces for smooth entry and exit. A broad selection of biopsy systems and needle sizes assures an ideal match with procedural needs and personal preferences. Extremely sharp needle trocar to collect consistently superior core samples with minimal crush. Choice of penetration depths to access testicular and seminal vesicle biopsies. Etched needle tip for better visualization of needle placement under ultrasound guidance. Color-coded hubs for easy identification.