Robotic Knee Replacement

Traditional knee replacement uses mechanical guides and specialized instruments to help position the implants during surgery.

This technique has been used successfully for decades and continues to produce excellent outcomes when performed by experienced surgeons.

Many outstanding knee replacement surgeons still utilize traditional instrumentation.

There is absolutely nothing “wrong” with performing knee replacement this way.

The challenge is that traditional instruments provide less information during surgery.

Surgeons are often relying on mechanical alignment guides, anatomical landmarks, and intraoperative judgment to determine implant positioning and balance.

Again, experienced surgeons can do this extremely well.

Dr. Tauchen prefers having more information available.

The Mako robotic platform is a CT-based robotic system designed to help surgeons plan and execute knee replacement surgery.

Before surgery, patients undergo a CT scan that creates a detailed three-dimensional model of the knee.

This allows Dr. Tauchen to study:

• Bone anatomy
• Arthritis patterns
• Alignment
• Implant sizing
• Joint line orientation
• Overall surgical planning

During surgery, the robotic system provides real-time information regarding implant position, alignment, ligament balance, and bone preparation.

Think of it like upgrading from a paper map to GPS navigation.

Both can get you where you’re going.

One simply provides more information along the way.

For Dr. Tauchen, the biggest advantage of robotic technology is not the robot itself.

It is the information.

The Mako system allows him to see and measure things during surgery that would otherwise be estimated using traditional instruments.

For example, he can evaluate:

• Implant position
• Alignment
• Bone resection depths
• Joint balance
• Knee motion throughout the range of motion

This information is particularly valuable because Dr. Tauchen performs knee replacements using a personalized kinematic alignment philosophy.

Rather than trying to make every knee perfectly straight, the goal is often to restore the patient’s native anatomy as closely as possible.

Kinematic alignment requires precision.

The robotic system makes it easier to measure, plan, and reproduce that precision consistently from one case to the next.

As Dr. Tauchen often explains:

“The robot doesn’t make decisions. I make the decisions. The robot helps me execute those decisions more accurately.”

This is probably the most common question patients ask.

The honest answer is that the research continues to evolve.

Robotic systems have consistently demonstrated improvements in surgical precision and reproducibility.

What remains less clear is whether every patient will ultimately notice a dramatic difference in long-term outcomes compared to a well-performed traditional knee replacement.

That distinction is important.

Dr. Tauchen does not tell patients that robotic surgery is the only way to achieve a great result.

Nor does he believe every surgeon must use a robot.

What he does believe is that robotic technology helps him perform the operation the way he wants to perform it.

And that matters.

Because at the end of the day, patients are not hiring a robot.

They are hiring a surgeon.

The robot is simply one of the tools that surgeon chooses to use.

Knee replacement is a game of millimeters and degrees.

Small adjustments can influence:

• Implant position
• Soft tissue balance
• Knee motion
• Joint mechanics

One of the things Dr. Tauchen appreciates most about Mako technology is the ability to make precise adjustments during surgery and immediately see how those changes affect the knee.

Rather than relying solely on estimates, he can make decisions using objective data.

For a surgeon who believes strongly in personalized knee replacement and kinematic alignment, that information is incredibly valuable.

Patients occasionally ask Dr. Tauchen whether they should only seek out a robotic knee replacement.

His answer is usually the same.

A robot does not guarantee a great result.

A traditional knee replacement does not guarantee a poor result.

The most important factor remains the surgeon performing the operation.

That said, Dr. Tauchen personally believes robotic technology helps him be more precise, more reproducible, and more consistent in executing his preferred kinematic alignment technique.

That is why he uses it for virtually every knee replacement he performs.

Not because it is the only way to perform knee replacement.

But because he believes it is the best way for him to perform knee replacement.

And ultimately, that is what patients deserve—a surgeon who has carefully chosen the tools, techniques, and philosophy that he believes will provide the best possible care for each individual patient.