Patent ID: 8261383

Claim:
An extraction device for extraction of a person from inside of a confined space through a manhole ( 13 ), comprising: a tray ( 1 ) to be located inside the confined space and placed beneath lower limbs of the person to be extracted; a Z-shaped prying structure ( 2 ) including at least one short end ( 7 ) fixed to said tray ( 1 ) by at least one coupling part ( 5 ), at least one long end ( 6 ) configured to lever the extraction device, and at least one vertical segment ( 8 ) connecting the at least one long end ( 6 ) to the at least one short end ( 7 ), respectively; and two tightening elements ( 3 , 4 ) arranged to secure legs of the person to be extracted to the tray ( 1 ), and to secure feet of the person to be extracted to the at least one vertical segment ( 8 ) of the prying structure ( 2 ), respectively.