Page 47 - JSOM Winter 2019
P. 47

FIGURE 12  Special Operations Forces Tactical Tourniquet.  TABLE 85  SOFTT Specifications
                                                                 Total
                                                                 Score  Score        Specifications       Scoring
                                                                           Width – ≥1.5 inches (critical   1 – Yes /
                                                                       –1  requirement).                  –1 – No
                                                                           Length – ≥37.50 inches or provide   1 – Yes /
                                                                        1  35 inches circumferential (critical   –1 – No
                                                                           requirement).
                                                                   3                                      1 – Yes /
                                                                        1  Locking Mechanism/Method.
                                                                                                          0 – No
                                                                                                          1 – Yes /
                                                                        1  Time Recording.
                                                                                                          0 – No
                                                                           Weight – <8 ounces (critical for JFAK   1 – Yes /
                                                                        1
                                                                           inclusion).                    –1 – No

              https://www.tacmedsolutions.com/products/hemorrhage-control  Israeli Emergency Silicon Tourniquet (IEST) –
                                                                 SCORE: 33.90.
              Combat uses of the SOFTT have been reported as 4 uses in   The IEST is a silicon-based elastic-type band applied with
              2011  and 70 used SOFTTs recovered during a period from   circumferential stretching and wrapping around the limb to
                  37
                         10
              2010 to 2012.  There is also evidence of 66% effectiveness    achieve occlusion pressure. There is one (1) study on the IEST
              (n = 62) of combat applied SOFTT device in 2008. 61  in the literature searched from 2011 to 2018. The single study
                                                                 by Glick et al. reported a 91% occlusion effectiveness (n = 78);
                                                                 application time of mean 33 seconds to effective occlusion (5–
              TABLE 82  SOFTT Occlusion Efficacy                 74); a maximal pressure median of 261mmHg; and a difficulty
                                                                                                      41
              Total                                              assessment mean of 2.8 (easy) of a possible 10.  The IEST is
              Score Score      Occlusion Efficacy  n =  Citation  2.5 inches wide, 78 inches long, and weighs 4.3 oz but does
                        Arm application 80% occlusion            not have a locking or recording mechanism. The documented
                     6                              46   25
                        success.                                 combat usage was reported in 2002 as a combination of com-
                        Leg application 77% occlusion            mercial silicon and improvised tourniquets with no significant
                     4                              46   25
                        success.                                 difference between the two.  78% of the tourniquet applica-
                                                                                      69
                     4  72.7% occlusion.            22   30      tions (n = 110) were effective with 94% effectiveness to upper
               4.33     Arm applications with 68.18%             limbs and 71% effectiveness to lower limbs.  The IEST was
                                                                                                    69
                     2                              25   67
                        occlusion.                               determined by the working group to have insufficient study
                        Leg applications with 48.0%              data to make recommendations at this time.
                     0                              25   67
                        occlusion.
                        Leg and arm applications with
                    10                              30    1
                        100% occlusion.                          FIGURE 13  Israeli Emergency Silicone Tourniquet/
              TABLE 83  SOFTT Time of Application
              Total
              Score Score  Time (Speed) of Application  n =  Citation
                        Arm application at mean 21
                     5                              46   25
                        seconds.
                     5  Leg application at mean 26 seconds.  46  25
                     5  48.2 seconds mean application time  22  30
                4
                     0  Arm applications with mean time of   25  67
                        129.6 seconds (± 74.5).
                        Leg applications with mean time of
                     5                              25   67
                        56.3 seconds (± 25.2).
              TABLE 84  SOFTT Simplicity of Application
              Total  Part
              Score Score Score     Ease of Use     n =  Citation
                             Application technique
                          5  simplicity 80% Easy –    46  25
                     5       4.0 ± 0.8 out of 5.                 https://israelifirstaid.com/6-5-feet-2-m-2-5-inches-6-5-cm-emergency
                                                                 -silicone-tourniquet/
                          5  Ease of Use overall 73.6%.  22  30
               10
                    Part
                   Score Score   Steps to Complete  n =  Citation
                          5  One Handed – 5 Steps.  n/a  68
                     5
                          5  Two-Handed – 6 Steps.  n/a  68






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