the present disclosure belongs to the field of surgical instruments for use in minimally invasive surgeries, more specifically it deals with the present invention of a surgical instrument (10) for suturing the aponeurosis in body cavities and a kit (40) for suturing comprising a surgical retractor (40 ) and the referred surgical instrument (10). the surgical instrument (10) is provided with a rod (11) having at the first end (20) a recess (21) and a bulge (22) at its tip (23). the recess (21) further comprises a slit (24) in the shape of a circular segment, suitable for accommodating a curved surgical needle (30). the recess (21) is also provided with a protrusion (25) prominent in a transverse direction to the recess (21), where the protrusion (25) is located in the extension of the slot (24). the kit (40) comprises a surgical retractor (50) equipped with a flat rod (51) with at least one fold (52) with an angle from 80 ° to 100 ° that forms a blade (53) which is the continuation of the rod (51) boring. the blade (53) is provided with a slot (54) in the longitudinal direction of the flat rod (51) and in a direction perpendicular to the surface of the blade (53), where the thickness of the slot (54) is suitable for the piercing of a needle ( 30) curved surgical, and the surgical retractor (50) still works together with a surgical instrument (10).a presente revelação pertence ao campo dos instrumentos cirúrgicos para uso em cirurgias minimamente invasivas, mais especificamente trata a presente invenção de um instrumento cirúrgico (10) para suturar a aponeurose em cavidades corporais e um kit (40) para sutura compreendendo um afastador cirúrgico (40) e o referido instrumento cirúrgico (10). o instrumento cirúrgico (10) é dotado de uma haste (11) tendo em uma primeira extremidade (20) um rebaixo (21) e um abaulamento (22) na sua ponta (23). o rebaixo (21) compreende ainda uma fenda (24) em formato de segmento circular, adequado à acomodação de uma agulha cirúrgica (30)
