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The ProHensor® VCAL

The Only Voluntary Closing Auto-Lock Device

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A New Category

Hooks slip. VCAL locks. Myos think. VCAL reacts.

Meet the ProHensor® VCAL

Auto-Locking with User-Release

• Automatic locking holds when you need it
• Maintains hold without continuous cable tension
• User-actuated unlock supports controlled release
• Designed to support sustained tasks with reduced fatigue

Intuitive Grip Control

  • Mechanical operation with controlled grip modulation
  • Strong proprioceptive feedback through cable tension
  • Squeeze as firm as you want to grip

Three Grip Modes

  • Functional wide 3" and narrow 1.25" grasps
  • Split-hook finger shape for versatile task handling
  • Spring-return opening for reliable release
  • Includes a non-locking mode for repetitive tasks

Built to Last

  • Heavy-duty construction with light weight materials
  • Clinic-serviceable design
  • Designed for consistent performance
  • Body-powered: no electronics, no powered components

Modular & Serviceable

• Supports maintenance without replacing the entire device
• Designed to minimize downtime
• Supports device longevity

Prosthetist Friendly

  • Standard ½–20 UNF wrist compatibility
  • No extra cables. No extra harnesses.
  • Compatible with standard body-powered equipment

The Heart of the ProHensor® VCAL

LockCore™

It's the reason you can lock your grip and let the cable go slack. It holds. You work.