The ornamental design for medical sponge and counting bag, as shown and described.
FIG. 1 is a right front perspective view of a medical sponge and counting bag showing a first embodiment;
FIG. 2 is a front elevation view thereof;
FIG. 3 is a right side elevation view thereof, with the left side elevation view being a mirror image;
FIG. 4 is a rear view thereof;
FIG. 5 is a top plan view thereof;
FIG. 6 is a bottom plan view thereof; and,
FIG. 7 is a right front perspective view of a second embodiment of the medical sponge and counting bag; with the used sponges being placed in an alternate position and all other views of the bag being the same.
The broken line showing of environment in the drawings is for illustration only and forms no part of the claimed design.