An electrosurgical instrument having a distal end and a gripping device which is arranged at the distal end in the longitudinal direction and which includes at least a clamping jaw portion and a coagulation jaw portion. These techniques may align different versions of a same content item for the purpose of identifying differences between the versions, identifying commonalities between the versions, mapping annotations made in one version to the other version, aggregating annotations across the different versions, or for any other reason. A recess is formed into the statue adjacent to the central section. Carbon dioxide or a mixture of a refrigerant containing carbon dioxide may be applied as the refrigerant in the system. The chuck provides easy and efficient clamping means to secure the extension member within the handtool.