Digitally molding bones
It's called Taylor, and it's a three-dimensional external fixator. It is used in complex cases and stretches and molds bones. The
device comprises two rings joined by six bars. It is placed on the outside of the skin and fixed to the bone by a series of needles.
The device is preferably controlled by a computer system.
Nine months ago, the doctor José Ignacio Martínez Renovales performed the first operation with this device in the Basque Country.
JOSÉ IGNACIO MARTÍNEZ RENOVALES; Traumatologist, Polyclinic: We did it because it was a good case to use this device. He was a young man who suffered a fracture. His tibia and knee were severely damaged, and his bone was deflected and shorter.
his bone was deflected by
20 degrees and shortened by 2.5 centimeters at the time of the operation. The goal of surgery is to fix the ligament to the broken bone.
JOSÉ IGNACIO MARTÍNEZ RENOVALES; Traumatologist, Polyclinic: It is very complex, both for placement and for follow-up. That is why it is only done in very extreme cases.
Despite the complexity of the operation, the day after leaving the operating room, the patient can put his leg on the floor. Thanks to the Taylor device, the bone remains well fixed and, as such, is not adversely affected by the weight of the body. This is the time to start fixing the deviation and the abbreviation. To do this, you must follow the instructions of the computer system.
JOSÉ IGNACIO MARTÍNEZ RENOVALES; Traumatologist, Polyclinic: On the computer, enter the bone data and the desired result data, and the computer itself tells you what to do. And, as is often the case with computers, the computer does not mix.
The purpose is to enter the data of the exact position of the fractured bone and of the new position of the bone at the end of the treatment into the computer. Both deviation and abbreviation data must be included. The computer, by performing an analysis of all this data, will transmit a table to the user. In it, he will explain the steps that must be taken to obtain the correct position of the bone.
JOSÉ IGNACIO MARTÍNEZ RENOVALES; Traumatologist, Polyclinic: By rotating the screw, these bars are stretched or shortened. When we turn the screw, it will move up and down. This bar has an arrow with the plus symbol. As a result, when you move this bar, you can see that it has been stretched by one centimeter.To find out which bar you need to move each day, each bar has a number that is related to a color. The computer will tell you this: move two centimeters of red color and the number 1 bar. Whoever was at 136 on Tuesday should be at 138 on Wednesday. That way, you know you have to turn that bar twice on Wednesday morning.
Moving the bars as prescribed by the computer system will allow the bone to reach the required angle and length in a very short time. In addition, the patient should not stop walking.
JOSÉ IGNACIO MARTÍNEZ RENOVALES; Traumatologist, Polyclinic: Surprisingly, the device took only 13 days to stretch the bone by 2.5 centimeters and correct it by 20 degrees. it was fully repaired in 13 days. Afterwards, only the filling of the gap between the bones was stopped. The secret is that this happens without any problems.
In fact, although the opposite has been believed for years, the bone regenerates in the same way as any other tissue in the body. The bone produces bone that can be molded.
JOSÉ IGNACIO MARTÍNEZ RENOVALES; Traumatologist, Polyclinic: Many years ago, Professor Elizarov explained that the rupture device can be molded as if it were a plasticine, and that we can remodel it as we want.He studied in Siberia and taught the Westerners that the bone can be stretched almost indefinitely. The femurs, the tibiae, can be stretched. The two femurs and the two tibiae may also be elongated together. The bone of an adult person, the rupture callus, can be shaped like something alive. In fact, it is something that is alive and developing.
Taylor fixative is a new way to treat complex bone fractures. But in addition to that, it can also have more uses. Dwarfism and osteogenesis can be treated by this device.
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