Replacement Parts And Accessories; Description - Ottobock Harmony 4R144 Instrucciones De Uso

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2.1 Replacement Parts and Accessories

Harmony components can be ordered individually from Otto Bock using the following information.
Pc.

Description

1
Air Spring Pump Kit (for all units)
1
Vacuum Line, 5 feet (for all units)
10pk
Tube Collars (for all units)
1
Tube Clamp Bar (for 4R134)
1
Tube Clamp Screw, M5 x 22 Grade 12.9 (for 4R144)
1
34-30 mm reducing Split spacer (for 4R134)
1
Valve Kit (for 4R134, 4R135)
5pk
Valve Kit, rubber air valves (for 4R144, 4R150)
1
Elastomer Rod, 90 shore A, yellow (for 4R150)
1
Elastomer Rod, 80 shore A red (for 4R144)
1
Intake Valve with screen (for 4R144, 4R150) (Fig. 1, Pos.1)
1
Expulsion Valve (for 4R144, 4R150) (Fig.1, Pos.2)
1
1/8˝ Barbed Socket Connector/Filter (all units)
1
1/8˝ Barbed Socket Connector 90˚ Elbow Connector/Filter (all units)
3pk
Harmony Protective Boot (for 4R144, 4R150)
3pk
Harmony Protective Boot (for 4R134, 4R135)
3pk
Harmony Protective Boot (for 4R133)
1
Harmony Complete Installation Kit (4R133, 4R134, 4R135)
1
Harmony Testing Kit, 4R133, 4R134, 4R135
1
Harmony 4R144, 4R150 Service Kit
3.0 Description
The Otto Bock Harmony Pump combines the function of a vacuum pump and the function of a damping shock
absorber in one unit. The 4R144 and 4R150 include the additional features of axial rotation and torsional shock
absorption.
Function of the Vacuum Pump
The Harmony Pump is designed to generate an elevated vacuum to increase the linkage between user and
prosthesis, and requires a sealed environment between the user's leg/liner, the socket, and the sealing sleeve.
Once the environment is sealed, the Harmony Pump, which is compressed and released during normal walking,
draws air from the socket through one-way valves and evacuates it through the pump. After multiple cycles of
compression an elevated vacuum of 15-25 in. Hg. (508-847 millibars) is created in the sealed socket environment.
The Harmony Elevated Vacuum Socket System:
• Improves fluid exchange in the residual limb and helps to control daily volume fluctuations
• Increases proprioception
• Increases suspension to improve gait and overall function
• Reduces forces to the residual limb and liner
• Reduces moisture buildup on the residual limb
Function of the Shock Absorber
The Harmony shock absorption functions helps to reduce vertical and torsional forces in the extremities during
walking. The result is an improvement for both the function and loading situation of the prosthesis wearer.
Harmony
Otto Bock TEC Part No.
4Y352
4Y309
4Y310
4Y323
501Z2=M5X22
4Y324
4R138=5
4Y351-5
4Y348
4Y347
4Y346
4Y345
4Y344
4Y350
4Y319=3
4Y319
4Y320
4R130
4R131
Ottobock | 7

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Harmony 4r150

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