FIELD: medical equipment.
SUBSTANCE: invention relates to a surgical instrument for treating a patient's tissue. Surgical instrument for treating a patient's tissue comprises a barrel assembly and an end effector. End effector extends from the barrel assembly along the central line of the branch. End effector comprises first branch, second branch and translational element. First jaw comprises a stop, a first elongated channel and first marks. Anvil is configured to form staples pressed to the first jaw. First elongated channel passes through the first branch. First marks are located near the first elongated channel. First and second jaws are configured to switch between open configuration and closed configuration. Second jaw comprises a second elongated channel and second marks. Second elongated channel passes through the second branch. Second marks are located near the second elongated channel. Translationally moving element is placed in the first and second channels. Translationally moving element is configured to slide in a distal direction along the first and second channels and to engage with the wedge-like slides to form staples. Translationally moving element comprises a distally located cutting edge configured to incise the tissue, the first marking on the distal end of the first flange and the second marking on the distal end of the second flange. First flange passes through first elongated channel and engages with first branch, and second flange passes through second elongated channel and is engaged with second branch. Longitudinal position of the cutting edge is proximal to the longitudinal position of the distal edge of each of the first and second flanges, so that the first and second markings in combination with the first and second marks are respectively configured to indicate to the operator using both staples and the cutting position.
EFFECT: using the invention enables the operator to more accurately monitor the operation of the surgical instrument during use.
8 cl, 16 dwg
