| 摘要 |
<p>An autostatic retractor with screw closure mechanism for neck surgery comprising a base plate (100) constituted by two symmetrical arms (110), capable of opening wide and coplanar with respect to each other and interconnected by means of a central pin (150), whose constituent profile presents a semicircular conformation terminating with a proximal rectilinear segment, constituting a jaw of closure pliers of "Bernard" type (140) made in such position, comprising a screw mechanism (180) capable of achieving the aforesaid opening movement, comprising a central retractor (200) in medial position, connectable to the base plate (100), equipped with the valve (210), comprising two further lateral retractors (300) in lateral position, connectable to the base plate (100), each equipped with a rotatable valve (310) and finally comprising, on at least one symmetrical arm (110) of the base plate (100), a connection device (410) capable of engaging a vertical rod (400) for supporting mini- telecameras.</p> |
