Fixed blade and blade group

The utility model relates to a fixed blade (22) and blade group (20). Fixed blade (22) can include the first wall portion (100) that is used as towards the wall of skin that is set to in the operation, follow the second wall portion (102) of first wall portion (100) skew at least in part, it is set to guiding groove (96) that are used for receiving movable cutting blade (24) to make first wall portion (100) and second wall portion (102) inject among them, set up the midfeather portion (44) between first wall portion (100) and second wall portion (102), take front reason (30) by common at least one that forms of first wall portion (100) and second wall portion (102), wherein at least one takes front reason (30) including a plurality of teeth (36), wherein first wall portion (100) and the positive end connection of second wall portion (102) in at least one leading edge (30), form pointed end (86) of tooth (36) from this. The utility model provides a help shaving the fixed blade and blade group who obtains happy