Bunny Science Halo PAPR at Overlake

Usage during actual clinical OR cases
Steady state CO2 gas sampling of wearer
Halo PAPR in OR at Aerosolizing Extubation

Printed is actually PETG with 3 perimeters, 4 top layers, 4 bottom layers, 20% gyroid.

Nozzle temperature 255C 1st layer, 260C thereafter

CO2 clearance tested with gas monitoring with 50 mm x 50 mm square blower fan Delta BFB0512HHA-CZMQ.

Note NIH files are old STLs that only support use of 51 mm rectangular round blower fans.

50 mm square blower fan requires current STL's from main repository at https://www.thingiverse.com/thing:4243272 

Filter used, Intersurgical Hydroguard Mini HMEF.

Worn during clinical work in operating room including intubation, extubation, regional block placement.

Endurance of wear a single shift is currently 11 hours without incident. Skin of forehead is unaffected despite long period of wear.

 

Printer Make/Model 
Resolution (Layer Height) 
0.2 mm

Click to Enlarge - 3 image(s)

Usage during actual clinical OR cases
Steady state CO2 gas sampling of wearer
Halo PAPR in OR at Aerosolizing Extubation
Rating 
5
Average: 5 (1 vote)