Automated biopsy instruments

Details Automated biopsy instruments Automated biopsy instruments

A - Human Necessities

61

B

A61B 10/00 (2006.01)

Patent

CA 2223415

The present invention provides automated biopsy instruments (10) especially useful for improving minimally invasive medical procedures to obtain soft tissue biopsy samples. The biopsy instruments (10) provide side-by-side actuators (30, 32) which retract a stylet (22) and a cannula (20) in specific sequences. The biopsy instruments (10) may include a single spring or two springs (48) to sequentially fire the stylet (22) and the cannula (20).

La présente invention concerne des instruments de biopsie automatiques (10) particulièrement utiles pour améliorer les techniques médicales extrêmement peu sanglantes, en vue d'obtenir des prélèvements biopsiques de tissus mous. Les instruments de biopsie (10) comprennent des actionneurs placés côte à côte (30, 32) qui servent à rétracter en séquences spécifiques un stylet (22) et une canule (20). Les instruments de biopsie (10) peuvent comprendre également un ou deux ressorts (48) destinés à déclencher de façon séquentielle le stylet (22) et la canule (20).

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