About Otto Bock Products Fabrication Services Education Consumer Consumer
Home > Products > Upper Limb Prosthetics > System Hands –Voluntary Opening

System Hands –Voluntary Opening


These Otto Bock System Hands are suitable for all cable-activated prostheses. They open by pulling the cable (active) and close under spring tension. In closed position, the hands lock automatically (one pull).



With steel cable through the palm of the hand (inner pull). Threaded stud and system inner hand.


Material no.

Side

Size

Threaded Stud

Inner Hand

Weight

8K21=L71/4

Left

7 1/4

1/2"–20

8x14

300g

8K21=L71/4

Right

7 1/4

1/2"–20

8x14

300g

8K21=L73/4

Left

7 3/4

1/2"–20

8x14

330g

8K21=R73/4

Right

7 3/4

1/2"–20

8x14

330g

8K21=L8

Left

8

1/2"–20

8x14

340g

8K21=R8

Right

8

1/2"–20

8x14

340g


10Y29=R2

Perlon cable to replace steel cable.


System Hand – Voluntary Opening

With steel cable through the back of the hand (outer pull). Threaded stud and system inner hand.



Material no.

Side

Size

Threaded Stud

Inner Hand

Weight

8K23=L63/4

Left

6 3/4

1/2"–20

8x14

ca. 215 g

8K23=R63/4

Right

6 3/4

1/2"–20

8x14

ca. 215 g

8K23=L71/4

Left

7 3/4

1/2"–20

8x14

ca. 300 g

8K23=R71/4

Right

7 3/4

1/2"–20

8x14

ca. 300 g

8K23=L73/4

Left

7 3/4

1/2"–20

8x14

ca. 330 g

8K23=R73/4

Right

7 3/4

1/2"–20

8x14

ca. 330 g

8K23=L8

Left

8

1/2"–20

8x14

ca. 340 g

8K23=R8

Right

8

1/2"–20

8x14

ca. 340 g


Home > Products > Upper Limb Prosthetics > System Hands –Voluntary Opening