4001 Ultra-Lite™

(Click to enlarge.)
4-Bar Friction Knee with Manual Lock

All the advantages of a Four Bar knee and more. When the rehabilitation team cannot predict whether a patient will learn swing phase, this manual lock gives the option of a locked knee.

In the event of mastering swing phase, the lock can be kept open providing the stability of a Four Bar knee. This component also proves ideal for active patients who wish to have a manual lock for special activities.


  • Ultra-light graph-lite
  • Adjustable friction and internal extension assist
  • All sealed ball bearings axis for effortless function
  • Excellent stability and security
  • Adaptable with or without lock
  • Extremely durable and dependable



Stock Number TGK-4001
Suggested L Codes L5611, L5925, L5850

The suggested L-Codes, reimbursements, and knee costs are shown for illustration and comparative purposes only. While DAW Industries believes the suggested L-Codes to be consistent with the current policies of the DMERCs, it must be understood that only appropriate authorized officials of the DMERCs are qualified to interpret their policies and practices. Accordingly DAW does not warrant, nor does it take responsibility for the validity of the information presented here, nor for the actions of any DMERC or other entity with regard to reimbursement or any other issue. DAW also recognizes that practitioners’ costs for professional services and related overheads far exceed the costs shown herein. Nothing contained herein should be construed to contradict that obvious fact. All data is subject to change without notice.




Call (800) 252-2828 for ordering information. Our trained professionals are ready and willing to find the right solutions for you!

Top of knee connectors & Alignment Systems (Type “T” Knees)
More connectors
Pylons (Ø 30mm)
Foam Covers
Skin and other finishings




This seal of excellence is earned only by very select items. Although all DAW products meet the highest standard of quality, the “Signature of Excellence” items address themselves to the select patients who demand the best of the best.


Knee Weight 22 oz 624 g
Patient Weight Limit 250 lb 113 kg
Pylon Diameter 30 mm
Knee Center to Top of Knee 3/4 in 2.0 cm
Knee Center to Most Distal End 6-3/8 in 16.1 cm
Pylon Housing from Most Distal End 2-3/8 in 6.0 cm
Knee Center to Top of Pylon 3-3/4 in 9.6 cm
Knee Center to Knee Cap at 90° Flexing 1-3/8 in 3.5 cm
Knee comes with 1 Year Full Warranty Optional 3 Year Extended Warranty
available for +10% of cost