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Table 1 Difference between original box versus re-designed box and intended benefit

From: Time to adapt in the pandemic era: a prospective randomized non –inferiority study comparing time to intubate with and without the barrier box

BOX Characteristics

Original BOX

Re-designed BOX

Intended benefit

Base

No

Yes

Improves stability

Width

20 in.

24 in.

To accommodate patient shoulders and position closer to the provider inside the box

Port diameter

4 in.

5 in.

To improve dexterity and range of motion

Port position

Equidistant from the sides, and at 10 in. from the base

Left port moved towards the center by 3 in. and the height of port increased to 13 in. from the base

Improves ergonomics for ease of intubation

Roof vent

None

Yes

To attach a filter and suction apparatus to minimize aerosol load

Long sleeve gloves

None

Yes

To seal the ports and minimize potential cross-contamination

  1. Original Box –designed by Taiwanese doctor Hsien Yung Lai