Calypso Knee


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Arthritis of the knee is a common problem, and it usually only worsens with time.

Now, there’s a cutting-edge device doctors can implant in patient’s knees that lessens the pain. 

Chuck Stenger used to be in pain taking his dogs around the block. Thirty-three years as a professional firefighter took a toll on his joints. 

He says, “I was on an accident scene, and I was kneeling down to treat a patient and it felt like a nail was going through my knee.”

It wasn’t a nail, it was arthritis. Chuck struggled for years with pain and was considering knee replacement when he learned about a new option.

The Calypso Knee System is being tested at the Ohio State University Wexner Medical Center.

Surgeons make a six-inch incision on the inside of the knee and insert the device.

Dr. David Flanigan says, “You’re putting a shock absorber outside the knee joint on the inner portion of the knee so that when they are walking that shock absorber takes some of the load off.” 

Doctors say the hope is that the device will delay or eliminate a patient’s need to have knee replacement.

Chuck was the first patient in the country to have the Calypso implanted. He says, “The second day post op, I put the crutches away.” 

There’s a small bump on the side of his knee, Otherwise Chuck can’t feel the device, but he knows it’s working.

For now, he’s back on his feet, almost pain-free.

Researchers are studying the Calypso Knee device, developed by the company Moximed, in 80 patients before it would be available nationwide. 

In European studies, the implant has provided pain relief for a decade for some patients.

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