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TOMSK, Nov 2 – RIA Tomsk. Doctors of the Novosibirsk
veterinary clinic installed a unique hind paw prosthesis created with the use
of the technology of Tomsk Polytechnic University (TPU); this is the first
successful osseointegrable prosthetic repair in Russia for a dog’s hind limb,
the press service of TPU reports on Friday
Earlier it was reported that the research team of TPU
under the leadership of Sergey Tverdokhlebov is engaged in the modification of
the properties of materials which are used for the production of implants. One
of the developments - is titanium implants with a bioactive coating - has
already been successfully used in veterinary medicine. The first surgery to
implant limb prostheses Novosibirsk veterinary clinic "BEST"
conducted in 2017 to two cats.
“Veterinarians from the "BEST" clinic
conducted the first successful osseointegrated prosthesis of the pelvic limb in
a dog in Russia. The dog named Chance lost a paw as a result of the accident.
Especially for him, the doctors created an individual prosthesis with a
biocover, ... which was created by specialists of Tomsk Polytechnic
University”, – is said in the statement.
Veterinarians did a computer tomography scan of the
patient's pelvic limbs. Then, using the scheduler, they created a 3D model of
the prosthesis and, after correcting and checking all sizes, they made the
prosthesis on a 3D printer using the technology of selective laser sintering.
The guides of the prosthesis were made of biocompatible photopolymer, is noted
in the message.
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"Our task was to apply a calcium phosphate
coating on the prosthesis. This is necessary to ensure the integration of the
implant with the bone, since this material seems to be deceiving the body and
forcing to take the implant as its own... For coating drawing, we developed a
new microarc oxidation unit", – the press service quotes the associate
professor of the TPU Scientific and Educational Center of Veynberg Sergey
Tverdokhlebov.
After implantation, veterinarians fixed the prosthesis
with an external exoprosthesis from polycaprolactone. According to Novosibirsk
veterinarians, Chance feels well and uses the prosthesis "100% of the time
with full support". At the moment, the volunteers of the "Varezhka"
("Mitten") charity foundation are looking for owners for him, is
emphasized in the message of the university.