Universal Arm System
The BOSS Universal Arm System delivers versatile positioning and rigid stability for neurosurgery, ENT and any surgical procedure that calls for an extra set of hands. The Universal Arm System is backed by our quality guarantee for the life of the instrument.
The BOSS Advantage
- Versatile Positioning
Accommodates a wide range of procedures and anatomical conditions across multiple surgical specialties - Maximum Control and Stability
Ensures rigid retraction and reliable instrument-holding force exactly where the surgeon needs it

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Universal Arm System Components
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Hook Retractor Set – Small Medium Large Hex Ends – 5mm Diameter
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Hook Retractor Set – Small Medium Large Hex Ends – 6.5mm Diameter
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Instrument ‘C’ Clamp For 18-4950/18-4955
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Rack Clamp with Hex Fitting
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Rigid Arm with Quick Connect Hex Fitting
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Swivel Scope Adapter for 18-4950/18-4955
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Table Clamp for Rigid Arm
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Table Clamp for Rigid Arm – Radel Knobs
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Table Clamp for Rigid Arm – Rotatable
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Hook Retractor 5mm diameter Small Hex end










