3D printing has been used many instances to manufacture helmets, however not simply ones to guard your head throughout sports activities like biking and baseball. Customized 3D printed helmets for adults and kids have additionally served an incredible goal by way of medical purposes.
Researchers Luis Rene González Lucano, Francisco Javier de la Peña Brambila, Juan Eduardo Pérez, and Paola Hernández Rosales from Tecnologico de Monterrey in Mexico revealed a paper, titled “Custom-made Low-Price 3D Printed Helmet as a Short-term Measure for a Affected person with Acrania,” within the type of a Letter to the Editor to the Indian Journal of Plastic Surgical procedure, about the usage of a 3D printed helmet for treating a Three-year-old feminine affected person who has occipital acrania, which is a uncommon deadly congenital anomaly characterised by an absence of the skullcap.
Of their paper, the researchers wrote, “Orthotic helmets are an alternate short-term measure for sufferers who can’t have the surgical procedure or need to postpone it for various causes; they defend the weak constructions and maintain them in place till the definitive remedy may be carried out.”
The younger affected person’s neurosurgical staff has determined to carry off on a surgical answer till she is seven, so as to “keep away from the necessity of a second process as a consequence of bone resorption or head progress if a bone allograft or a titanium implant is used.”
“For our affected person, the occipital acrania represented a giant impediment for her in the course of the rehabilitation course of as a result of they have been afraid of injuring her because of the lack of safety of the entire occipital lobe. Due to this, an individualized helmet was created by 3D printing from a CT scan reconstruction of the identical affected person,” the researchers wrote.
CT scans can assist generate a 3D reconstruction by detecting radiation by “the sequential acquisition” of a number of photos which are separated by equal areas; then, the photographs are saved in a DICOM format. The researchers used DICOM Osirix, a specialised picture processing software program, to finish the 3D reconstruction. Then, the ensuing 3D mannequin was exported to SOLIDWORKS.
Within the software program, “…the strong is used as a reference to generate the customized construction of the helmet taking as reference the frontal bone, the atlanto-occipital joint, the temporal bone and sphenoid bone,” the researchers defined.
“After making the 3D mannequin of the helmet on the strong of the human determine, an extraction or subtraction between items is made to make the hole of the helmet with the anatomical form of the top, which can enable the helmet to adapt appropriately on the realm that must be protected.”
The 3D printed helmet, which options holes for air flow and sweat prevention, is product of a versatile photopolymer resin, which has nice resistance for a snug match, and the helmet may even be tailored to the expansion of the affected person’s cranium. The customized helmet has allowed her to carry out remedy appropriately, with much less restrictions, because of the safety it presents, and she or he is now capable of sit by herself and, with help, even stand on her ft for just a few seconds.
These sorts of short-term helmets are very useful for sufferers who’re ready for a cranioplasty, however when made by typical strategies of producing, the associated fee can attain practically $2,000. At about $200, a 3D printed helmet is much cheaper.
“By sharing our expertise utilizing low-cost 3D printing, we not solely show the success on this explicit case, however we additionally hope to speed up the pursue in technological analysis and growth to extend the repertoire of choices supplied for particular pathological entities,” the researchers concluded.
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