On this episode of SPS Unpacked, we’re exploring the PROTEOR Kinterra EVAQ8, a prosthetic foot designed to combine hydraulic ankle articulation with elevated vacuum suspension, delivering superior adaptability, comfort, and socket security for active users.
Key Specs at a Glance:
- Suggested L-Codes: L5981, L5986, L5781
- Maximum Patient Weight: 330 lbs
- Build Height: 4.56 in
- Weight: 1.92 lbs
- Sizes: 22–30 cm
- Heel Height: 10 mm
- Activity Level: K3–K4
Inside the box, you’ll find everything you need for setup:
- Heel stiffening bumper kit
- Three wraps and clips for tubing attachment to pylon, and a 90° barb
- Spectra sock
- User manual
Performance Highlights:
- Hydraulic Ankle Motion: 15° plantar flexion and 2° dorsiflexion for natural movement across uneven terrain and improved comfort while sitting
- Dorsiflexion Assist Spring: Lifts the toe for better clearance during swing phase
- EnduraCore Foot Plate: Provides energy return and smooth rollover
- Split Heel and Keel: Enhances mediolateral stability and terrain adaptation
Why Choose the PROTEOR Kinterra EVAQ8
This advanced foot offers a unique combination of motion control and vacuum technology. By integrating hydraulic movement with an automatic vacuum system, the EVAQ8 promotes smoother gait, improved balance, and consistent socket fit—all while reducing pistoning and skin issues.
Benefits for Active Users:
- Improved proprioception for confident movement
- Enhanced stability and adaptability across varied terrain
- All-day comfort with reduced skin issues
- Energy return for efficient walking
The PROTEOR Kinterra EVAQ8 is a powerful solution for K3–K4 level users seeking stability, adaptability, and socket comfort in one advanced design.
For more information, email us at clinical@spsco.com or contact your SPS Sales Account Manager. Our team is here to help!
Sign up for the SPS email newsletter for the latest news, happenings, and promotions.

