Devices and methods of use for an insertion cannula to insulate a cryoablation probe or other surgical devices are provided. The device comprises an insertion cannula having a proximal end, an exterior surface comprising a distal tip configured to penetrate tissue, and an interior surface that defines an internal passage of the insertion cannula. The internal passage extends along a longitudinal axis of the insertion cannula and is configured to receive an ablation probe. A sealing member contacts the proximal end of the insertion cannula and is configured to provide a fluid seal to prevent fluid from entering or leaving the proximal end of the insertion cannula. Methods for ablating nerve and/or soft tissue utilizing the ablation devices are also provided.
