Marc Rankin, MD now serving patients in Chevy Chase, MD, Bethesda, MD and surrounding areas.

Take The Knee Pain Assessment

Help Identify Your Knee Condition
Take our assessment and help answer questions about your knee pain and issues. You can also print out and bring to your appointment.

Knee Conditions

Knee Anatomy and Function
Learn about bones and tissues in the knee.
Knee Arthritis
Understanding arthritis in the knee
Common Reasons for Knee Pain
Although knee pain is common, its cause is not always immediately clear.
Understanding Knee Cartilage
Healthy knee cartilage is key for joint stability and ease of movement, whether you’re taking care of daily tasks or playing high-intensity sports.

Knee Treatments

Partial Knee Replacement
Understanding partial knee replacement
How does the CARTIHEAL AGILI-C Cartilage Repair Implant work?
The CARTIHEAL AGILI-C Cartilage Repair Implant is designed to repair damaged cartilage and bone in the knee joint.
A Patient’s Story with the CARTIHEAL AGILI-C Cartilage Repair Implant
Learn more about the CARTIHEAL AGILI-C Cartilage Repair Implant through the story of Chris - a real patient who found relief from knee pain.
Benefits of Cartilage Treatment with the CARTIHEAL AGILI-C Cartilage Repair Implant
In clinical studies, the CARTIHEAL Implant has been shown to provide stronger benefits for patients than the current standard of care (microfracture and debridement).
Total Knee Replacement
Understanding total knee replacement

Knee Technology

CARTIHEAL AGILI-C Cartilage Repair Implant
The CARTIHEAL AGILI-C Cartilage Repair Implant is designed to repair damaged cartilage and bone in the knee.
OXINIUM Technology for Total Knee Replacement
Discover the difference of OXINIUM Technology in knee replacement
XLPE Material in Knee Replacement Implants
How XLPE and OXINIUM Technology work together in knee implants
OXINIUM Technology for Partial Knee Replacement
Learn about partial vs total replacement and OXINIUM Technology
XLPE Material in Knee Replacement Implants
How XLPE and OXINIUM Technology work together in knee implants
Total Knee Replacement
Understanding total knee replacement
OXINIUM Technology for Partial Knee Replacement
Learn about partial vs total replacement and OXINIUM Technology