1. Hooks, Hands, & Wrists Matthew J. Mikosz, CP,LP Hanger National Upper Extremity Prosthetics Program

2. VO or VC ● VO ● Lower max grip ● Relaxed full grip ● Grip force determined by # of rubber bands ● VC ● High max grip ● Sustained tension for grip ● Graded prehension with excellent “feel”

3. Terminal Devices ● Hooks ● Functional ● Ease of Use ● Fine grasp ● Hands ● More Cosmetic ● Difficult to Open

4. #5 Adult Hook ● Stainless Steel ● Serrated Surface ● Canted Fingers ● 4 7/8" Long ● 8 oz.

5. #5X Adult Hook ● Stainless Steel ● Neoprene Lined ● Canted Fingers ● 4 7/8" Long ● 7.5 oz.

6. #5XA Adult Hook ● Aluminum Alloy ● Neoprene Lined ● Canted Fingers ● 4 7/8" Long ● 4 oz.

7. #555 Adult Hook ● Aluminum Alloy ● Neoprene Lined ● Lyre Shaped Fingers ● 5" Long ● 4.5 oz.

8. #555-SS Adult Hook ● Stainless Steel ● Neoprene Lined ● Lyre Shaped Fingers ● 5" Long ● 8.5 oz.

9. #7 Work Hook ● Stainless Steel ● Serrated Surface ● Pail Hook ● Nail & Chisel Holder ● 4 7/8" Long ● 10.5 oz.

10. #7LO Work Hook ● Large Finger Opening ● #7 Features ● Stainless Steel ● Serrated Surface

11. #6 Work Hook ● Backlock Feature ● #7 features ● Stainless Steel ● Serrated Surface ● 5 1/2" Long ● 14 oz.

12. #3 Work Hook ● Shorter #7 ● No Chisel Holder ● Stainless Steel ● 4 5/8" Long ● 10 oz.

13. APRL Voluntary Closing Hook ● Replaceable Lyre Fingers ● Neoprene Lined ● "Thumb" Posterior ● 6 3/8" Long ● 8.6 oz.

14. Sierra 2 Load Hook ● 2 Pinch Loads ● 3.5 lbs or 7lbs ● Replaceable Lyre Fingers ● Neoprene Lined ● 5" Long ● 12.5 oz.

15. #8 Medium Adult Hook ● Smaller 5 ● Stainless Steel ● Serrated Surface ● 4 5/8" Long ● 8 oz.

16. #8X Medium Adult Hook ● Smaller 5X ● Stainless Steel ● Neoprene Lined ● 4 5/8" Long ● 7.5 oz.

17. #88X Medium Adult Hook ● Lighter 8X ● Aluminum Alloy ● Neoprene Lined ● 4 5/8" Long ● 7.5 oz.

18. #99X Small Adult Hook ● Adolescents ● Aluminum Alloy ● Neoprene Lined ● 3 7/8" Long ● 3 oz.

19. #99P Small child Hook ● Adolescents ● Plastisol Coating ● Aluminum Alloy ● 3 7/8" Long ● 3.5 oz.

20. #10X Child Hook ● Children ● Aluminum Alloy ● Neoprene Lined ● 3 3/8" Long ● 3 oz.

21. #10P Child Hook ● Plastisol Coating ● Aluminum Alloy ● 3 1/4" Long ● 3.5 oz.

22. #12P Infant Hook ● Plastisol Coating ● Stainless Steel ● Neoprene Lined ● 2 3/4" Long ● 3 oz.

23. C.A.P.P. Terminal Device ● Left & Right ● Spring Loaded VO ● 3 spring tensions ● Replaceable thumb ● No need for glove

24. C.A.P.P. Multi-Position Post ● Partial Hands ● Upper Extremity Aid ● 0º, 30º, 54º, 180º

25. Baseball Glove Attachment ● Thumb & Forefinger ● Custom TD ● First Baseman Mitt Only ● Hockey Mitt ● 9.5" Long ● 10.5 oz.

26. Driving Ring ● Steering Wheel ● Boat Tillers ● Aircraft Controls ● Ring Pivots

27. Mechanical Hands ● Cosmetic ● Less Functional ● Impedes Visual Feedback ● More Maintenance ● Perform Differently

28. Dorrance Hand ● Small, Medium, Large ● Voluntary Opening ● Thumb & Fingers Move ● Breakaway Release

29. Mechanical Child Hand ● 2 to 6 year old ● Lightweight ● Adjustable Pinch Force ● Cosmetic Glove

30. APRL VC Hand ● Voluntary Closing ● 2 Thumb Settings ● Backlock Feature ● Durable

31. Sierra VO Hand ● Voluntary Opening ● Backlock Feature ● 2 Thumb Settings ● Similar to APRL Hand

32. Becker Imperial Hand ● Round Wire Fingers ● Adaptive Grasp ● Irregular Objects ● All Fingers Move ● Grip adjustable with screwdriver

33. Becker Plylite Hand ● Laminated Wood ● Moveable Thumb only ● Lightweight

34. Hosmer Soft Voluntary Opening Hand ● Adjustable Prehension (2- 6 lbs.) ● Fits all Cosmetic Gloves ● Pliable Finger Tips ● Low Cost Alternative ● Lightweight

35. Passive Hand ● Soft Foam ● Cosmetic Gloves ● Position Fingers ● 9 colors

36. Wrists ● Flexion ● Disconnect ● Constant Friction ● Combination ● Laminating Ring

37. Quick Change Wrist ● Push Button Release ● Position TD ● TD Release ● Inserts on TD's

38. WD Quick Change Wrist ● Rotating Release ● One Way-Release ● Other Way-Position ● Not for Bilaterals

39. Constant Friction Wrist ● Friction thru Range ● Adjustable Friction ● Nylon Insert ● Insert Replaceable ● Adult, Medium, Infant

40. Oval Constant Friction Wrist ● Not for Hands ● Longer Amputations ● Adult & Medium Small Size ● Adjustable friction

41. CAPP Delrin Wrist ● Friction Collar ● 3 Sizes ● Lightweight ● High Level Prostheses

42. Endoskeletal Wrists ● Lightweight ● Passive & Adjustable ● Fits Standard TD's ● Cosmetic

43. Friction Disconnect Wrist ● Const. Friction ● Disconnect ● Friction Positioning ● Ratchet Positioning ● Great Combination

44. Economy Wrist ● Al, SS, or Ti ● Heavy Duty ● Washer Provides Friction

45. Economy Wrist w/ Straps ● Rubber washer type friction ● Steel or Titanium ● Heavier ● Tie into Lamination

46. Sierra Wrist Flexion Unit ● 0º, 35º, or 50º Positions ● 1 7/16" Long ● Need Base Wrist ● Recommended for bilaterals ● Push Button

47. APRL Child Flexion Unit ● 0º & 36º Positions ● Manual Positions ● 1 1/16" Long ● Children

48. Flexion-Friction Wrist ● 0º, 30º, 50º Positions ● Push Lever ● Only 1 Plane ● Adjustable Friction ● Automatic Locking

49. Swaging tool ● Used to crimp steel connectors to steel cable

50. Triple swivel ● Connects cable to hook ● 1/16 ” ● 3/32 ” ● 3/64 ”

51. Ball terminals and receivers ● Hook to hand adapter ● 1/16 ” ● 3/32 ” ● 3/64 ”

52. Base plate ● Used in conjunction with retainer to secure cable housing

53. Retainers ● Inserts into base plate to hold cable housing

54. Ferrules ● Connect to ends of cable housing to cap housing

55. Hangers ● Connects proximal cable to control strap

56. Cross bar assembly ● Connects proximal housing to triceps pad

57. Forearm lift assembly

58. 4 bar buckles ● Allows adjustability to harness ● ½” ● ¾” ● 1 ”

59. Northwestern rings ● Small, medium, and large

60. Axilla loop pads ● Made of flexible plastic ● Become brittle over time

61. Standard Prosthetic Hinges ● Single Axis ● Flexible ● Dacron ● Metal ● Outside Locking

62. Special Prosthetic Hinges ● Polycentric ● Stump Activated ● Step-Up ● Sliding ● Geared ● Flail Arm

63. Single Axis ● Small, Regular, Large ● Heavy Duty Use ● Eliminates Pro & Sup

64. Flexible Hinges ● Metal or Dacron ● Metal for Heavy Duty ● Allows Pro-Sup

65. Outside Locking Hinges ● Elbow Disartic. ● 7 Positions; 5 Heavy Duty ● Small, Medium, Large

66. Polycentric Hinges ● Gearing Mechanism ● Reduce cubital Bunching ● Small, Medium, Adult

67. Stump Activated Hinges ● Very Short B/E ● Limb Locks Elbow (extension) ● Split Housing Cable ● Split Socket ● 5 Positions

68. Step-Up Hinges ● Geared, Sliding ● Bilaterals, Short B/E's ● Split Socket ● Increase Range of motion ● Increases Force requirements

69. Flail Arm Hinge ● Locking & Spring Loaded ● Locking Medial Side ● Spring Lateral Side ● Brachial Plexus Injury