The Speedybell needle is made of AISI 304 stainless steel in conformity with the requirements of ISO 9626 standards. The end of the cannula is fitted with an echo marker which allows, through ultrasound images, costant monitoring of the needle position during execution of the biopsy. The guillotine needle can also be supplied in the following versions: - manual (name: BETA code BE...EC - see guide below to make up the code) - semiautomatic with "Trocar" tip (code SB...ECT - see guide below to make up the code) - manual with "Trocar" tip (name: ALFA code AL...EC - see guide below to make up the code) The BETA and ALFA versions are equipeed with a depth limiter wich allows obtaining a drawning area of 20 mm or 10 mm.