Vital Times 2020 - 59

A disposable mini-endoscope (KinCam) with six LED
lights and a mini-camera at the tip was placed in
the internal channel of VL blades. It was connected
either to a laptop computer or an Android cell phone
to display airway images (Fig. 3 D-F and Fig. 5 A,B).
A 5.5 mm diameter mini-endoscope was used in
larger blades for adults whereas a 3.8 mm endoscope
was used for pediatric blades (Fig. 4 C). All VLs were
tested in adult and pediatric intubation manikins

FIG 2
between the upper incisors and the epiglottis. The 2-D
drawings were transferred to the Autodesk Auto CAD

(Fig. 3 D). The mini-endoscopes generated very sharp
and bright images of the glottis (Fig. 3 E). The VL
blade angulation allowed an easy placement of the
endotracheal tube (Fig. 3 F).

program (Fig. 2A) which allowed a 3-D rendering of
the airway anatomy and design of the VL blade with
customized shape, length and blade angulation (Fig.
3 A-C). The blade design included an internal duct for
the placement of a mini-endoscope. The VL blade was
manufactured (Fig. 2 B-D) using the Axiom 3-D printer
which used ABS printing material.2,3

FIG 4
Endotracheal intubation in patients with difficult
airway anatomy is sometimes impossible with the use
of fixed blades. A supraglottic airway (SGA) can be
used as a bridge to intubation with a fiberoptic scope.
Using the same 3-D design and printing technique

FIG 3

as described for VLs, we developed4 a customized
intubating supraglottic airway (iSGA). The mini-

2

Wojtczak J. Videolaryngoscope on Demand. Anesthesiology 2019, A 1015.
J. Videolaryngoscope on Demand for Pediatric Patients with Abnormal Airway. Anesthesiology 2020, A 4228.
4 Wojtczak J. 3-D Printed Supraglottic Airway Device for Ultrasonic and Vision Guided Insertions. Anesthesiology 2020, A 4086.
3 Wojtczak

Annual Publication 2020

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Vital Times 2020

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