Page 32 - JSOM Winter 2023

APPENDIX C. DEFINITIONS OF
MAJOR GROUPINGS USED AS X-AXIS LABELS IN FIGURE 2

Orientation (“Bad” if either bad) = placed with the (primary) Strap tightness = tightening-system physical indication at oc-
redirect buckle lateral and oriented for downward optimal clusive completion that strap not optimally tight (“Bad”):
strap pulling. CAT7, SOFTTW3, SOFTTW5, and TMT >2 rod turns;
OMT >6 tooth advances; X8T >10 advance clicks; Tac
Strap/Redirect System: RMT >7 tooth advances; RST >6 tooth advances.
Threading/clip = threading the strap through a non-clip redi- Strap security (“Bad” if any bad) = hook-and-loop overlap
rect buckle or using the clip of a clip redirect buckle. length around limb circumference and side-to-side overlap
Minor understanding (“Bad” if any bad) = speed of recogni- or other issue affecting strap security.
tion of clip if present; recognition of correct strap-pulling
location; time spent considering what to do with length of Tightening System:
strap pulled through self-securing redirect buckle; hold- Understanding = applier understanding of how to use tight-
ing of length of strap pulled through self-securing redirect ening system.
buckle while using tightening system; minor hook-and-loop Mechanical (“Bad” if any true) = lost hold of rod, redid rod
issue other than: failure to completely open, pull interfer- turning; skips or advance failures of ratcheting buckle; or
ence, or incorrect circumferential wrapping. any other tightening-system issue other than understanding
Major understanding (“Bad” if any bad) = tried to or un- how system works and other than securing the tightening
threaded clip redirect buckle; concept problem rethread- system at completion.
ing redirect buckle; major hook-and-loop issue other than:
failure to completely open, pull interference, or incorrect Occlusiveness:
circumferential wrapping. Never occluded = loss of the audible Doppler pulse never oc-
Opened hook & loop = opened all hook-and-loops (“Good”) curred (“Bad”).
so entire hook-and-loop strap could pass through the redi- Occluded at Done = no audible Doppler pulse at “Done”
rect buckle and no hook-and-loop strap would be trapped (“Good”).
against the leg.
Pull technique (“Bad” if any true) = angle of strap pull through Tightening System:
redirect buckle >45° relative to strap entering redirect Securing struggle = physical difficulty securing the tightening
buckle; held rod during strap pulling; held redirect buckle system (“Bad”).
during strap pulling. Tightening security = incorrect securing of tightening system
Pull hook & loop = interference of hook-and-loop on strap- according to training videos (“Bad”).
encircling limb with strap pulling through the redirect Tourniquet security = “Bad” if problem with strap security or
buckle (“Bad”). tightening security.

PMID: 38085636; DOI: 10.55460/8FFG-1Q48

30 | JSOM Volume 23, Edition 4 / Winter 2023