Extension Assist KITS

The Certified Extension Assist Kits can be fit/retrofit to virtually any off the shelf Knee Orthoses or Knee Joints, or utilized in Custom Knee Orthoses and KAFO’s. The Extension Assist Kits offer a unique system providing significant extension assist at the knee joint. Kits are offered with the extension assist components only to be utilized with any knee joint, or with Certified’s Polycentric Knee Joints. Tension is adjusted/set by length of the tubing or with optional Extension Assist Ratchet that can be purchased as an accessory to provide easy assist/resist tension adjustment.

Extension Assist Kit Standard

CRK-700

Extension Assist Kit w/Polycentric Joints

CRK-710

Features, Benefits, & Options:

  • Utilize/Incorporate with off the shelf knee orthoses, knee joints, or in custom Knee Orthoses and KAFO’s.
  • Provides Significant Extension Assist at Knee Joint
  • Strength of extension assist can be varied by simply adjusting the length of the tubing, or through utilizing the optional ratchet buckle to adjust tension
  • Midsection channel allows complete tension relief for
    sitting, or progression through the therapy/rehab process
  • Kit Includes all Extension Assist Components as shown

Features, Benefits, & Options:

  • Provides Significant Extension Assist at Knee Joint
  • High quality, low profile polycentric knee joints
  • Strength of extension assist can be varied by simply adjusting the length of the tubing, or through utilizing the optional ratchet buckle to adjust tension
  • Midsection channel allows complete tension relief for sitting, or progression through the therapy/rehab process
  • Kit Includes all Extension Assist Components and Certified’s Polycentric Knee Joints as shown

Optional Extension Assist Adjustable Tension Ratchet Buckle

CRK-7RB

  • Strength of extension assist can be varied by simply adjusting the tension on the tubing through the ratchet buckle as shown

             Certified offers a Pre-Sized and Custom Extension Assist Knee Orthosis.

    Certified offers full custom adult and pediatric fabrication services for the Extension Assist Kits, please see the Custom Orhotics section for more information.

Extension Assist Kit Ordering Information

Extension Assist Kits

Product#
Description
Unit

CRK-700

Extension Assist Kit Standard
2 Ea. Tension Relief Midsections, 2 Ea. Tubing,
4 Ea. Tubing Attachments, 4 Ea. Zip Ties
2 Ea. Condyle Pads

Kit

CRK-710

Extension Assist Kit with Polycentric Knee Joints
2 Ea. Polycentric Knee Joints, 2 Ea. Condyle Pads
2 Ea. Tension Relief Midsections, 2 Ea. Tubing
4 Ea. Tubing Attachments, 4 Ea. Zip Ties

Kit

CRK-7RB

Extension Assist Adjustable Tension Ratchet Buckle

Ea.

Extension Assist Kit Individual Units

Product#
Description
Unit

CRK-4347

Extension Assist Tension Relief Midsection

Each

CKJ-2435

Certified Polycentric Knee Joint

Pair

CRK-7RB

Extension Assist Adjustable Tension Ratchet Buckle

Each

CRK-4340

Extension Assist Condyle Pad

Each

CRK-4350

Extension Assist Tubing

Foot

CRK-4352

Extension Assist Tubing Attachments

Each

CRK-4354

Zip Tie

Each

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