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Force Measurements Evaluate Video-Assisted Intubation
The Background:
In difficult intubation situations, there is a risk of damage to soft tissues of
the mouth and to the patient’s maxillary incisors. Modern video laryngoscopes provide
an easier view of the area of the area of the larynx where the vocal cords are located,
and possibly poses less risk in a difficult intubation. Researchers at Delft University in the
Netherlands used force measurements to quantify the benefits of video-assisted laryngoscopy
versus the traditional intubation method.
The Challenge:
To determine the force applied to the maxillary incisors during intubation,
researchers needed to equip the laryngoscope blade with appropriate sensors. The
less force applied, the less traumatic the intubation is considered. The sensors needed
to cover an area of 27 x 9 mm, as the contact point varies from patient to patient.
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Source: Lee, R., Van Zundert, A., Maassen, R., Willems, R., Beeke, L., Schaaper, J., Van
Dobbelstein, J., Wieringa, P. (2009). Anesthesia & Analgesia, 108(1), 187-191. |
The Solution:
As depicted here, the laryngoscope was equipped, at the area of contact with the teeth,
with three FlexiForce sensors in the 0-25 lb range. The three sensors were mounted
along the length of the blade to cover the contact area of 27 x 9 mm.
Each of the sensors was individually calibrated,
and peak forces were recorded
for each patient. The researchers in this
study found that video-assisted intubation
resulted in less force applied to the maxillary
incisors.
FlexiForce sensors are fully customizable to suit your unique OEM application. Standard
sensors are also available for proof of concept, or for a quick, low quantity, R&D solution.
Benefits:
- Ultra-thin sensor construction and flexibility means minimal interference/
disturbance to normal action
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place at ISO 9001 & 13485 certified Tekscan headquarters.
- 100% factory inspection ensures your sensors meet established performance
specifications.
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