Page 38 - JSOM Winter 2019

TABLE 24 CAT7 Usage TABLE 26 SOFTT-W Occlusion Efficacy
Total Total
Score Score Usage Citation Score Score Occlusion Efficacy n = Citation
2 No combat usage reports. 9 100% occlusion. 10 13
2 No civilian usage reports. 10 98% effectiveness of unexposed 50 20
3 5 Ranked 51.9% as preferred tourniquet for 42 SOFTT-W.
arm application (n = 55). 90% effectiveness exposed to 18
Ranked 41.5% as preferred tourniquet for 8 months on a metal roof in San 50 20
3 42 Antonio, TX.
leg application (n = 55).
100% initial occlusion on 16
10 forearm and 16 calf applications. 32 14
TABLE 25 CAT7 Logistics 94% of forearm applications–
Total 7 maintained occlusion after 120 16 14
Score Score Logistics seconds from initial occlusion.
5 NSN in DoD System. 6515-01-521-7976 74% of calf applications–maintained
4.33 4 GSA Cost per Unit. $19.60 8.09 3 occlusion after 120 seconds from 16 14
4 Commercial Cost per Unit. $29.99 initial occlusion.
100% occlusion after prolonged heat
10 exposure (15–unexposed/ 30 23
15–exposed).
Special Operations Forces Tactical Tourniquet –
Wide (SOFTT-W), Generation 3 – SCORE: 41.39. 10 100% effectiveness in all four 80 45
positions on thigh (medial, lateral,
The SOFTT-Wide (Generation 3) is a windlass (metal) tour- anterior, and posterior).
niquet using a hook and buckle interface with a single-piece >90% success with no breakage or
aluminum windlass rod. It includes a quick-connect snap-lock 8 deformities reported on leg and arm 44 27
application.
clasp to preclude rethreading of the strap. It has a retention
clip to lock the windlass once applied. The SOFTT-Wide is a 4 73.8% occlusion. 22 30
wider version based on the original SOFTT design. 10 100% occlusion. 20 31

TABLE 27 SOFTT-W Time of Application
FIGURE 4 Special Operations Forces Tactical Tourniquet – Wide,
Generation 3. Total
Score Score Time (Speed) of Application n = Citation
Mean application time 29 seconds
5 100 20
(26–29).
2 Mean application time 83 seconds. 10 19
Leg application time – mean 58.6
5 40 27
4.50 (±22.96).
Arm application time – mean 52.5
5 40 27
seconds (±8 seconds 28.8).
5 45.0 seconds mean application time. 22 30
5 39.60 seconds mean application time. 20 31

TABLE 28 SOFTT-W Simplicity of Application
Total Part
Score Score Score Ease of Use n = Citation
31% Rated as Easy / 56%
Rated as Challenging / 13%
2 16 14
Rated as Difficult to apply
to calf.
3.33 62% Rated as Easy / 13%
Rated as Challenging / 25%
3 16 14
Rated as Difficult to apply to
forearm.
5 Ease of Use overall 78.96%. 22 30
Part
8.13 Score Score Steps to Complete n = Citation
Looped (one-handed) –
5 n/a 46
5 steps.
Routed (two-handed) –
4 n/a 46
7 steps
Median 3 turns (min 2–4
4.8 5 16 14
max) on calf application.
https://www.tacmedsolutions.com/products/hemorrhage-control 5 Median 2 turns (min 2–3 16 14
max) on forearm application.
Mean 3.30 turns to
5 20 31
occlusion.

36 | JSOM Volume 19, Edition 4 / Winter 2019