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. Author manuscript; available in PMC: 2018 Jun 13.
Published in final edited form as: J Vis Exp. 2018 May 3;(135):10.3791/57521. doi: 10.3791/57521

Figure 3. Effective positioning of catheter and stylet for Wharton’s duct cannulation.

Figure 3

A. Align the tubing with the curvature of the forceps, and cut a beveled end on the tubing and wire to initially puncture the sublingual papilla. B. Retract the stylet within the tubing to make a rigid guide to insert the tubing within the sublingual papilla. C. Insert catheter tubing (stylet removed), joined to injection syringe, within the previously made orifice.