Patent ID: 6080113
Filing Date: 2000-06-27
Classification: A61B

Abstract:
A device for removing suspect breast tissue comprising:a stylet mounted on a retracting handle, said stylet having a tip containing a plurality of blades for transecting tissue and a central passage capable of receiving a localization needle;a cannula mounted on a drive mechanism, said cannula having a shaft that supports a cutting surface opposite said drive mechanism;said drive mechanism for simultaneously rotating said cannula and moving said cannula in a direction that is transverse to the rotation of said cannula;a garrote for performing a cut transverse to the longitudinal axis of the cannula, said garrote mounted adjacent to said cutting surface of said cannula;a trigger for deploying said garrote, said trigger including a locking mechanism for preventing deployment of said garrote prior to movement of said cannula a predetermine distance, said locking mechanism has a locked position and an unlocked position, in the locked position the trigger abuts a trigger stop and in the unlocked position a ramp lifts the trigger above the trigger stop; anda localization needle having a guide wire mounted within said needle.