CURE Kenya’s 3-D printing advantage

“I know if it works, it will be a huge relief for us,” said Simon, Orthopedic Workshop Manager.

This past year, CURE purchased a 3-D printer with the help of Messiah College in Pennsylvania. Along with reducing the cost of the printer and donating some software that was needed to help run it, they also sent a team of students and faculty to train our staff on how to use the printer!

Now, you might be thinking: Umm, a 3-D printer? That sounds a bit futuristic and scary. What could CURE possibly do with one of those?

The 3D printer.

The idea of 3-D printing does seem a bit obscure and unknown. But recently, we had the privilege of sitting down with Dan, one of the team members from Messiah College. Dan majored in biomedical engineering. Dan was able to help us understand more about the printer.

“Basically, it works like a regular printer, but it also has a Z axis (along with the normal X and Y axis), so it can print up and down, too. It works like a glue gun. The material (plastic filament) comes through a hot tip and builds upon itself, layer by layer. It bonds to itself,” he explained.

Dan, Messiah College, who helped our team understand the printer better.

While the team visited, they began test printing leg sockets for prosthetics (the rest is still assembled manually). From our experience and what Dan explained to us, here is the basic print process.

  1. Scan the person’s leg with the portable scanner.
  2. Fabricate the socket from the scan in certain software.
  3. Attach the socket adapter in another software program.
  4. Send to the slicing software to modify print settings.
  5. Put the ready image on an SD card which is inserted into the printer.
  6. Then, the image is selected and the printer goes to work printing the socket.

It should take an hour and a half or less to prep the scan before it is sent to print. Dan said the average length of time it takes for something to print is 25 hours for an adult and 12.5 hours for a child.

Before our sit down with Dan, we also had the chance to talk to Simon who heads the Ortho Department at CURE Kenya. We asked him how the printer will change things for our co-workers.

Simon, our Orthopedic Workshop Manager.

“Let me say two things: first, the cost effectivness. It’s going to knock off the cost… Second, it will knock off the time it takes to make the prosthetics.”

With the manual way of measuring prosthetics, CURE had to take a negative cast and create the socket a very different way. We would ask patients to return after two weeks to be fitted for a prosthetic. With the new 3-D printer, our technicians can scan the patient, prepare the scan, and print the socket overnight. They could even ask the patient to come back the next day for a fitting!

The team from Messiah College.

Another benefit that Simon told us about has to do with the accuracy of printing.

“The margin of error will be reduced. We use measuring tape, and we have to use what you call the ‘orthopedic eye.’” The orthopedic eye refers to an orthopedic technologist’s judgment used during the measuring process. As fantastic as our team is, it is just the nature of things that the margin of error is higher when one measures manually.

The 3-D scanner used to take the measurements is also portable! This means that it will be possible to take it on our mobile clinics and take  a patient’s measurements there. At this time, we only measure about six to ten patients every month for prosthetics, so taking the scanner on mobile clinics sometimes and away from the workshop won’t be too big of a deal.

Purity, one of our Orthopedic Technologists, uses some of the software to design the prosthetic before it is printed.

And, if all of that isn’t enough, get this: the cost of 3-D printing is considerably cheaper than making prosthetics manually. For one thing, there is no longer a need to import polyurethane sheets to wrap over the plaster impression to create a “positive cast.” The total cost for the plastic filament used to 3-D print one socket is 750 shillings. The old cost is 15,000 shillings. This basically translates to $7.50 vs. $150! One thing to consider is that in the old sockets, a soft insert was put into the bigger socket for comfort’s sake. The new sockets do not have this. CURE may have to consider putting a soft socket inside the 3-D printed one. This will raise the cost, but the price will probably still only be half of what it used to be.

If all goes well, the impact on our patients will be significant. Because production costs are less, this means that we will be able to help more people receive prosthetics. It will save us time and our patients’ time in receiving their prosthetics. And, eventually, we’ll be able to make other things like orthotics and hand prosthetics. The prosthetics will look better, too!

You can pray with us that this will all work. We’re thankful for this opportunity to serve our patients better. Above all else, we hope that God gets the glory in this!

Our Ortho Workshop Team along with the Messiah College team and a girl named Natalie (in pink) who came to help out for a bit.

Who doesn’t have a silly side sometimes?


Photo of the Naphtali Foster

About the Author:

Naphtali spends her days photographing children, making them giggle, and writing all about it. She serves as the CURE Storyteller in Kenya. This job is basically a dream to her. In 2015, she graduated with her Bachelor’s Degree in Biblical Counseling from Luther Rice University. She’s worked as a nanny, owned her own photography business, and even worked at a bank as a universal associate—whatever that means! She was born and raised in Idaho, but she would enjoy living by the sea someday. Writing settles her, and she can hardly go a day without seeing people—she loves them! She’s learning to give it all to Jesus first and has made it her life goal to bring Him glory. She has an adventurous spirit, and she’s spent time around East Africa and has also toured Europe. She feels that Kenya is a wildly beautiful place filled with some of the most wonderful people in the world and is beyond blessed that God has brought her here.

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