The ornamental design for a retrieval snare coilsleeve, as shown and described.
FIG. 1 is a perspective view of a retrieval snare coil sleeve according to the present design, particularly illustrating a coil configured within the sleeve and connected to a snare;
FIG. 2 is a front view of the retrieval snare coil sleeve of FIG. 1;
FIG. 3 is a top view of the retrieval snare coil sleeve of FIG. 1;
FIG. 4 is a bottom view of the retrieval snare coil sleeve of FIG. 1;
FIG. 5 is a side view of the retrieval snare coil sleeve of FIG. 1; and,
FIG. 6 is another side view of the retrieval snare coil sleeve of FIG. 1;
The claimed design comprises the elements shown in solid lines, the elements shown in dotted lines forming no part of the claimed design.