Nasopharyngeal swab simulators

To the rescue of caregivers in the covid-19 era 

The covid-19 virus crisis has raised a variety of issues in the world of medicine. One
of the first is to test and segment the contaminated French population in order to take
the necessary measures for their care. To do this, we must carry out massive Covid test
campaigns and request the help of many caregivers. Nasopharyngeal sampling can
detect the virus at an early stage of the disease even in asymptomatic patients. Moreover,
this technique is minimally invasive and has no side effects or contraindications. However,
this test has, until now, been rarely used by healthcare professionals within a wide range
of specialties…

Axel, a 12-year-old young man, passionate about new technologies and alarmed by the lack
of solutions to test the french population for virus infection, has a brilliant idea: design a
nasopharyngeal sampling simulator to give as many caregivers as possible access to training
for this gesture. Luckily, Axel happens to be the son of Prof. Sananes, a renowned gynaecologist
of Strasbourg University Hospital. With the help of Pr Debry, head of the ENT and cervico-facial
surgery department of the Strasbourg University Hospital, the company Dianosic, expert in
the treatment of nasal fossa pathologies and the funding of the french association Protege ton
Soignant, they contact BONE 3D to design these simulators.

3D printed surgical simulators are the core business of BONE 3D, a Parisian start-up which
already designs and manufactures many of them for various surgical specialties (Neurosurgery,
Maxillo-Facial and Oral Surgery, Podiatry, etc…). In the continuity of its commitment with the
Assistance Publique – Hôpitaux de Paris and its Covid 3D platform in the fight against covid-19,
BONE 3D accepts the project with enthusiasm.

In two clip-on parts, the simulator allows the user to see and analyse the anatomy of this region of
the human head. If the user is unable to perform the exercise correctly, understanding where the
error comes from allows him to progress more quickly.

The polyjet printing technology allows to manufacture in one go a multi-material model with
different colours and textures that improves the sensory feedback, for an exercise as close to
reality as possible. Anatomically speaking, the simulator includes the following components:
– the nasal fossae (including turbinates),
– the nasopharynx,
– the soft palate,
– the face skin,
– mucous membranes

To democratize access to this simulator, BONE 3D has also designed a version for FDM printers.
A less sophisticated version, but just as effective for understanding this medical procedure. This
model is therefore accessible to anyone with access to a 3D printer with wire deposition, the most
common and least expensive.

«We are very pleased to make these models of nasopharyngeal sampling training accessible to the greatest number of people by making the print files freely available,» says Lucie Arboy Klein, Associate Director.

The files to print this learning tool are free and available on this page: 

Created in April 2018 in Paris, BONE 3D is a medtech start-up created by surgeons and doctors in
biomechanical engineering, convinced of the benefits of applying 3D printing to modern medicine.
Incubated at Arts & Métiers, BONE 3D has French the status of Young Innovative Company and is
supported by Bpifrance and Medicen Paris Region. Thanks to the INNOV’up loan, BONE 3D is investing in Industry 4.0 to offer innovative solutions as close as possible to healthcare services.

Dianosic develops innovative solutions for the management of ENT pathologies. Incubated by SEMIA, labeled incubator of excellence of the Grand Est region since January 2018, the company is supported by the ecosystem of the Grand Est region, SATT Connectus, Bpifrance Alsace, Biovalley France, theEurometropolis of Strasbourg and Innouvo/Cajuba Finance. Dianosic is led by a duo composed of Marc Augustin, Chairman of the company and Philippe Bastide, CEO. Prof. Christian Debry, Head of the ENT Department and Head and Neck Unit of the University Hospital of Strasbourg, acts as scientific advisor. Dianosic is the winner of the i-Lab 2019 innovation contest organized by the French Ministry of Higher Education, Research and Innovation in partnership with Bpifrance. Created in July 2017 and based in Strasbourg, France, Dianosic aims to become a European leader in the management of intranasal bleeding and chronic sinusitis with its active long term resorbable treatment.

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Mélanie GATIN |

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