Patent ID: 6165136
Filing Date: 2000-12-26
Classification: A61B

Abstract:
A tissue sampling device, comprising:a stylet having a notch therein, the notch having an exposed portion for receiving tissue to be sampled;a cannula at least partially surrounding the stylet, the cannula being adjustable relative to the stylet to vary the size of the exposed portion and therefore the amount of tissue to be sampled; anda trigger mechanism operatively connected to at least one of the cannula and the stylet, wherein actuation of the trigger mechanism causes relative movement of the stylet with respect to the cannula for collection of a tissue sample,wherein the trigger mechanism is adapted to be actuated in a first way to adjust the cannula relative to the stylet to vary the size of the exposed portion of the notch prior to collection of a tissue sample, and is adapted to be actuated in a second way to cause relative movement the stylet and the cannula for collection of a tissue sample.