On January 26, 2016, doctors at the Phramongkutklao Hospital in Bangkok, Thailand announced that they had successfully replaced a thumb metacarpal with a 3D printed titanium metal prosthesis. This is the first time in the world. Dr. Thipachart Punyaratabandhu, director of the orthopedics department of the hospital, announced the news and detailed how his team implanted a 3D printed titanium thumb phalanx into the hand of a female patient whose original phalanx was due to the appearance of a tumor. Has deteriorated.

In traditional metacarpal bone grafts, doctors typically remove a bone from the hip or leg as the implanted thumb bone, but the phalanx implanted after surgery is less flexible. In contrast, the 3D printed titanium prosthesis is lighter and stronger, and the 37-year-old patient continues to use her thumb normally after surgery, just as before.

"If the old method is used, the patient will not be able to move her thumb or the tumor may have gone back. But after implanting the 3D printed titanium phalane, the patient can use her hand as usual," explains Dr. Thipachart Punyaratabandhu.

The treatment team initially scanned the patient's healthy left thumb and took X-rays, then mirrored the image of her right thumb phalanges, and printed the model with resin material 3D, and finally used a medical treatment. Titanium is cast out. The entire manufacturing process took only a week or so, but the team of orthopaedic doctors at the Phramongkutklao Hospital has spent nearly two years developing the 3D printing thumb project.

It is understood that the surgical treatment began in June last year, when the doctor took the deteriorated bones out of the patient's hand and waited for a period of time to ensure that the tumor did not recur. When this condition is confirmed in late September, the surgeon continues the operation, implanting the titanium phalanx and attaching it to the nearest tendon.

Now, a few months later, the patient's body has recovered very well, and she can continue to use her hand normally as before. According to Boonrat Lohwongwatana, a team member involved in the manufacture of 3D printed implants, "This technique can also be used to replace damaged bones in other parts of the body. It can be made in just a few weeks."

Dash Camera

The streaming rearview mirror is a new type of rearview mirror, which can transmit the rear picture to the rearview mirror through the camera next to the high-mounted brake light at the rear of the car.
The surface is extremely clear, and it feels that the field of vision behind the car is expanded by 2 to 3 times. The field of vision is also good during driving, which greatly solves the problem of the blind spot of the C-pillar.
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Disadvantages of streaming rearview mirrors
● Fear of the "blinding" phenomenon of the rearview mirror caused by dirt, there are certain safety hazards
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