The invention is directed to a device for delivery of one or more marker bodies through a tubular member of a biopsy device, comprising:a. an elongated shaft having an inner lumen and a discharge opening in a distal portion of the elongated shaft；b. at least one marker body which is disposed within the inner lumen of the elongated shaft；c. a pusher element which is slidably disposed within the delivery device and which is configured to urge at least one marker body out the discharge opening in the distal portion of the elongated shaft； andd. a distally flared guide member which is disposed on the elongated shaft and which is configured to guide the distal portion of the elongated shaft into a proximal end of a tubular member of a biopsy device.
