Vital Times 2020 - 58

ENGINEERING AND TECHNOLOGY

3-D Printed Customizable
Videolaryngoscopes for Adult
and Pediatric Patients with
an Abnormal Airway
Jacek Wojtczak, MD, PhD

V

ideolaryngoscopy (VL) has recently become
a standard of care in many anesthesia

departments around the world.1 Realistically, the
widespread adoption of VL for all intubations may
be restricted in some hospitals by the financial
constraints associated with the high cost of quality
VL equipment. In the majority of patients, the VL
blade improves the view of the glottis by reducing the
requirement for anterior displacement of the tongue.
Optimal angulation of the blade will vary somewhat
from patient to patient due to inherent anatomic
differences. However, commercially available VL
blades have predetermined fixed angulations (eg. 600

FIG 1
images of airway anatomy in a selected adult or
pediatric patient.

in GlideScopeTM blades) that do not allow for withinpatient adjustments, making video laryngoscopy

Lateral airway x-rays of the adult patient (Fig. 1A)

ineffective for a subset of patients with abnormal

with known difficult airways (identities blinded) as

airway anatomy.

well as lateral airway x-rays of pediatric patients
(Fig. 1B) with known difficult airways (e.g. Crouzon

The main goal of this project was to design a
disposable, 3-D printed video laryngoscope blade with
a customized angulation based upon radiographic

1 Wojtczak

58 |

syndrome) were placed on the screen (Fig. 1B, C) of
the pressure-sensitive pen tablet (Huion Kamvas 22).
The tablet enabled a drawing (Fig. 1D) of the path

J. Should videolaryngoscopy be used routinely during all elective intubations? Minerva Anestesiologica 2012, 78 (9), 1076 - 77.

CSA Vital Times



Vital Times 2020

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