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Surgical Sealant with Integrated Shape‐Morphing Dual Modality Ultrasound and Computed Tomography Sensors for Gastric Leak Detection by Benjamin Suter; Alexandre H. C. Anthis; Anna‐Katharina Zehnder; Victor Mergen; Jachym Rosendorf; Lukas R. H. Gerken; Andrea A. Schlegel; Eva Korcakova; Vaclav Liska; Inge K. Herrmann is a Engineering article available to read on EtoBox.
What is Surgical Sealant with Integrated Shape‐Morphing Dual Modality Ultrasound and Computed Tomography Sensors for Gastric Leak Detection about?
## Abstract Postoperative anastomotic leaks are the most feared complications after gastric surgery. For diagnostics clinicians mostly rely on clinical symptoms such as fever and tachycardia, often developing as a result of an already fully developed, i.e., symptomatic, surgical leak. A gastric fluid responsive, dual modality, electronic‐free, leak sensor system integrable into surgical adhesive suture support materials is introduced. Leak sensors contain high atomic number carbonates embedded in a polyacrylamide matrix, that upon exposure to gastric fluid convert into gaseous carbon dioxide (CO~2~). CO~2~ bubbles remain entrapped in the hydrogel matrix, leading to a distinctly increased echogenic contrast detectable by a low‐cost and portable ultrasound transducer, while the dissolution of the carbonate species and the resulting diffusion of the cation produces a markedly reduced contrast in computed tomography imaging. The sensing elements can be patterned into a variety of characteristic shapes and can be combined with nonreactive tantalum oxide reference elements, allowing the design of shape‐morphing sensing elements visible to the naked eye as well as artificial intelligence‐
Who reads Surgical Sealant with Integrated Shape‐Morphing Dual Modality Ultrasound and Computed Tomography Sensors for Gastric Leak Detection?
It is typically read by researchers, students, and practitioners in Engineering.
- Author
- Benjamin Suter; Alexandre H. C. Anthis; Anna‐Katharina Zehnder; Victor Mergen; Jachym Rosendorf; Lukas R. H. Gerken; Andrea A. Schlegel; Eva Korcakova; Vaclav Liska; Inge K. Herrmann
- Publisher
- Wiley
- Published
- 2023
- Language
- EN
- Field
- Engineering (Physical Sciences)