Device Principle Schematic
Improved device for intralesional injection
Method: First, measure and mark the depth the needle needs to enter the lesion, then use a #22 scalpel to cut the needle cover according to the mark.
This device can also be applied for buccal mucosa injections, nerve blocks, small area superficial anesthesia, and PRP injections.
Limitations: This device is only suitable for the multiple serial puncture technique and not for the threading technique.
Original Title: Creating a guard with a needle cover to control the depth of intralesional injections
Author: Gupta Sanjeev, et al.
Source: Journal of the American Academy of Dermatology, 2016 Aug
Evidence Level: Not specified
