Device surgical biopsy.

Surgical biopsy apparatus for cutting tissue, comprising: a housing (12, 13, 16; 112; 212) having a longitudinal axis; first and second elements (50; 150; 250) being movable to move from a position in which they are tucked into a position in which they are taken with respect to the housing; and third and fourth (; 160; 60260) elements, the third positioning element such that it is slidable relative to the first element and is capable of being removed from the first element and the fourth positioning element being such that it is slidable relative to the second element and is capable of being removed from the second element; characterized by a cutting wire electrocautery (86; 186; 286) is movable relative to the third and fourth members (60; 160; 260) to surround a region of tissue positioned between the third and fourth members to cut the tissue.