Ambu® aScope™ Gastro Large

The Power to Perform When You Need It Most

90% improved suction with our 4.2 mm channel*

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Introducing the world's first therapeutic gastroscope with a 4.2 mm working channel providing superior suction performance for critical care EGD.

A larger working channel enables access to a broader range of tools for emergency procedures, like acute upper GI bleeding, without sacrificing suction performance.

As a single-use solution, the aScope Gastro Large streamlines out-of-suite and after-hours procedures, eliminating time-consuming pre and post-procedure steps. This efficiency allows you to focus on what matters most—treating your patients.

What’s more, with the world’s first bioplastic handle, aScope Gastro Large sets new standards for single-use sustainability.

Four Procedures Where a Larger Working Channel May Offer Clinical Advantages

​​*data on file



The world's first single-use therapeutic gastroscope with a 4.2 mm. working channel

Superior suction vs. 3.7*

Supports the needs for aspiration of blood in acute upper GI bleeding cases

*3.7 refers to the gastroscope channel size in mm

210° retroflexion

Designed for access to difficult-to-reach areas

Unmatched workflow benefits in the ICU and OR

Eliminate logistical challenges of transporting endoscopes to and from reprocessing

Setting new standards for single-use sustainability

World's first single-use endoscopy with bioplastic handle
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Key features of aScope Gastro Large

Suction performance vs. industry leading reusable therapeutic gastroscope

Technical specifications

Field of view:


Working channel inner diameter:

4.2 mm

Auxiliary water jet channel:



3-100 mm

Working length:

1030 mm

Image enhancement:

Advanced Red Contrast (ARC) functionality

Distal end diameter:

11,5 mm


210°/120°, 100°/100°

Spare parts

There are no spare parts or accessories for this product.




file_download aScope Gastro Large Datasheet
(1.25 MB - pdf)

Instructions for Use

file_download IFU Ambu® aScope™ Gastro Large
(2.54 MB - pdf)
file_download IFU Ambu® aScope™ Gastro Large - French
(1.37 MB - pdf)

Supplementary Information

September 2023

Note: US: Rx only - not all products are available in Canada