This two piece thin wall needle features a special slotted opening, 2.2mm in length located approximately 3mm from the needle tip. This opening creates a second cutting edge besides the needle tip itself, this combination permits larger amounts of biopsied tissue to be aspirated, adequate for both histologic and cytologic sampling. Used for Direct Percutaneous Needle Aspiration of Localized Pulmonary Lesions for both superficial and deep lesions.