1. Harnessing for Body Powered Prostheses Ryan Spill, CP Advanced Arm Dynamics September 30, 2010

2. Transradial Prosthesis Figure 8 Figure 9 Modified

3. Figure 8 harness Suspension Control Axilla loop Inverted Y suspension

4. Inverted “Y” Strap for Suspension

5. Control Strap

6. Figure 9 Harness Provides control of TD only Alternate suspensory technique

7. Self-Suspending Socket Design with Figure 9 Harness

8. Custom Harness Designs Patient prefers suction socket Figure 9 harness for TD control Distal attachment to frame

10. Modified Control Cable Patient lives substantial distance from office Heavy duty user

11. Alternate Control Cable

12. Alternate Anchor instead of Axilla Loop

13. Modified Triceps Cuff

14. Medial Cross Bar Assembly

16. Bilateral Figure 8

17. Transhumeral Prosthesis Figure 8Chest StrapModified

18. Figure 8 harness Efficient Suspension & Control Suspension strap Elbow Lock/Unlock Elbow/TD control

19. Figure 8 Harness Lock/Unlock Control

20. Figure 8 Harness for Triple Control Double Ring Control Cable mounted Laterally lock

21. Control Strap Mounted Medially

23. Transhumeral Chest Strap Left Transhumeral amputee secondary to trauma Contralateral hand weakness

24. Transhumeral Chest Strap HarnessAttachment Lock/Unlock Cable Easier for donning than Figure 8

25. Control Strap

27. Modified Chest Strap Narrow Straps Medial lock/unlock attachment allows locking by abduction

28. Elastic suspensory straps Control strap travels through keeper attached to elastic

29. Chest strap for Elbow Disarticulation

32. Modified Harness Left transhumeral amputee Secondary to burns Compromised hand strength

33. Initial Chest Strap

35. Elastic Chest Strap Attached to Axilla Loop Combination of Figure 8 and Chest Strap Designs

36. Socket Modification to Assist Harness Silicone Locking Liner Proximal and Distal Suspension Strap

37. Thank You!