Page 39 - JSOM Winter 2019

TABLE 29 SOFTT-W Pressures Tactical Mechanical Tourniquet (TMT) –
Total SCORE: 40.31.
Score Score Pressures n = Citation
5 203mmHg mean pressure. 90 27 The TMT is a windlass (composite) tourniquet using Velcro
adhesion to strap with a single-routed buckle and/or hooking
Calf application pressures at link.
occlusion, completion, and 120
4 16 14
seconds after completion 381 ± 81,
4.33 457 ± 103, 407 ± 88mmHg. FIGURE 5 Tactical Mechanical Tourniquet.
Forearm application pressures at
occlusion, completion, and 120
4 16 14
seconds after completion 321 ± 70,
397 ± 102, 346 ± 91mmHg.

TABLE 30 SOFTT-W Specifications
Total
Score Score Specifications Scoring
Width – ≥1.5 inches (critical 1.5 1 – Yes /
1
requirement). inches –1 – No
Length – ≥37.50 inches or 44.75 1 – Yes /
1 provide 35 inches circumferential inches –1 – No
(critical requirement). https://combatmedical.com/product/tmt-tourniquet/
5 1 Locking Mechanism/Method. YES 1 – Yes /
0 – No
1 – Yes / TABLE 34 TMT Occlusion Efficacy
1 Time Recording. YES
0 – No Total
Weight – <8 ounces (critical for 1 – Yes / Score Score Occlusion Efficacy n = Citation
1 4 oz
JFAK inclusion). –1 – No 71% effectiveness using ultrasound
to determine popliteal occlusion;
4 It should be noted that this study 24 39
TABLE 31 SOFTT-W Complications and Safety identified “pain not tolerated”
Total deemed as a tourniquet failure.
Score Score Complications and Safety n = Citation 10 100% occlusion of the popliteal 24 47
Unexposed SOFTT-W devices had artery.
98% effectiveness (49 of 50 tests); 90.91% combined success rate of
3 50 20
whereas exposed devices had 90% arm and leg –1 arm application
effectiveness (45 of 50; all p = .204). 8 and 1 leg with application Doppler 110 42
4.0
Heat exposure was not associated confirmation for 1 minute).
with tourniquet damage, inability to 8 95% occlusion. 20 21
5 30 23 8.29
gain hemorrhage control, or inability 9 100% occlusion. 10 19
to stop the distal pulse.
100% occlusion of arm (40
applications) and leg (40
TABLE 32 SOFTT-W Usage applications) within 5 minutes;
Total 10 maintaining occlusion for 1 full 80 48
Score Score Usage Citation minute. 5 of 40 arm and 8 of 40
leg applications had re-bleeding
5 uses in combat documented in medical occur requiring further tightening/
4 literature. 10
3.0 adjustment to regain occlusion.
2 No civilian usage documented in medical n/a 100% occlusion effectiveness
literature. 9 achieved and maintained on 5 leg 10 7
applications and 5 arm applications.
TABLE 33 SOFTT-W Logistics
Total
Score Score Logistics
5 NSN in DoD System. 6515-01-587-9943
4.33 4 GSA Cost per Unit. $22.99
4 Commercial Cost per Unit. $29.93

Recommended Limb Tourniquets in TCCC | 37