The invention relates to surgical instruments having an ability to form an angle, comprising the following: two instrument arms (1) having numerous functions such as gripping, grasping, clamping and cutting an instrument tip (2) which is located at the end of each instrument arm (1) and forms a portion at which the surgical instrument contacts with the tissue and/or the surgical material an instrument gripping section (3) forming a portion by means of which a surgeon can grip the surgical instrument (1) an instrument arm coupling section (4) for coupling and opening-closing the instrument arms and an instrument articulation (5) which enables the instrument body to form the desired angle such that the instrument body is inclined in two planes in a forward or rearward direction by bending in accordance with the surgeons movement, and to be fixed at the angle of inclination that it adopts by maintaining the position and angle against the tissue resistance encountered during the operation until the surgeon changes its bending position and angle, or to turn back to its upright position which is the initial angle in accordance with the surgeons movement.Linvention concerne des instruments chirurgicaux ayant une capacité à former un angle, comprenant les éléments suivants : deux bras dinstrument (1) ayant de nombreuses fonctions telles que la préhension, la saisie, le serrage et la coupe une pointe dinstrument (2) qui est située à lextrémité de chaque bras dinstrument (1) et qui forme une partie au niveau de laquelle linstrument chirurgical entre en contact avec le tissu et/ou le matériau chirurgical une section de préhension dinstrument (3) formant une partie au moyen de laquelle un chirurgien peut tenir linstrument chirurgical (1) une section daccouplement de bras dinstrument (4) permettant laccouplement et louverture-la fermeture des bras dinstrument et une articulation dinstrument (5) qui permet au corps dinstrument de former langle souhaité de telle sorte que le corps
