The ornamental design for an externalcatheter, with braces, for a femaleuser, as shown and described.
FIG. 1 is a side view of the external catheter for a female user.
FIG. 2 is a top view of the external catheter for a female user.
FIG. 3 is a front view of the external catheter for a female user; and,
FIG. 4 is a perspective view of the external catheter for a female user.
The broken line showing of parts in the drawings is included for the purpose of illustrating use and environment and forms no part of the claimed design.