CRICSIM

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The CRICSIM block is a single piece, 3D printed, surgical airway trainer designed for maximum realism at minimum cost.  It features a simulated chin and larynx to provide a realistic feel and overall similarity to human anatomy. The skin analog retention system allows for quick turnover between learners and fast easy clean up at the end. Finally, the non-slip base keeps CRICSIM stable and still on the table, desktop or lab bench.

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Skin Analog: CRICSIM is furnished with a roll of elastic, self adhesive bandage to simulate skin at a fraction of the cost of traditional trainers.

Tissue Analog: CRICSIM adds an optional tissue analog to simulate thicker skin or adipose tissue. These compressed sponges need just a few drops of water to acheive the proper size and texture.

Blood system: CRICSIM features a two part system add even more realism to training by making the trainer "bleed". First, the simulated blood is both darker and more viscous than blood to match the color of the block and stay in the field longer to mimic the visual sensory deprivation often experienced during a live procedure. 

The second part is the zipper bag which delivers the blood into the field at just the right time, at first cut. This cut doesn't cut all the way through, leaving the second layer of the bag to act as a simulated cricothyroid membrane to complete the simulation.

· CRICSIM Simulator/Trainer Block with built-in larynx, chin, “skin” retention system, and slip-resistant base

· 4” x 5’ cohesive bandage (skin analog)

· 2 fl oz CRICSIM Blood solution (hand soap & black food coloring)

· 50 2”x 2.5” zipper bags

· 12 Compressed sponges (tissue analog)

· Hemostat

1. Place the CRICSIM block on a flat, dry, stable surface to ensure maximum efficacy of the slip resistant base. 

2. Add approximately 7 ml of blood solution to a zipper bag. This should be slightly less than half full. (Tip: If a small amount of air is allowed to remain in the bag, the release of blood will be more pronounced. Adding more solution than the recommended amount will result in greater soiling of the field but will likely not add to the desired sensory experience.)

3. Cut or tear approximately 8-10” of the cohesive bandage from the roll and pass through the top of the left channel of the skin retention system until the ends are together. 

4. Place the filled blood bag over cricothyroid membrane opening on the larynx. To simulate greater tissue density, add a hydrated compressed sponge.

5. Bring the cut ends of the cohesive bandage across the larynx and pull snug, holding the blood bag in place.

6. Tuck the cut ends of the cohesive bandage into the teeth on the right channel of the skin retention system, pulling and tucking until it is secure. Use the hemostat or other blunt tool to snugly fit the bandage into the teeth.

7. After the training evolution is complete, remove and discard the bandage and blood bag and repeat the process.

8.To clean, simply rinse the block with warm water and let dry. The included blood solution is made from hand soap, so it will rinse away clean.

*WARNING*: Training with surgical instruments carries inherent risk. Use extreme caution and follow all institutional procedures and protocols to ensure the safety of facilitators, students, employees, and participants.