Received: 26 May 2021
Accepted: 9 December 2021
First Online: 15 January 2022
: The clinical evalution project was approved by the Local Clinical Goverance Board at Guy’s and St Thomas’ NHS Trust Foundation Hospital. All methods were performed in accordance with the Guy’s and St Thomas’ Governance Board guidelines and regulations. Following the advice of the Health Research Authority ethical approval decisision tool, this study was not deemed to require Research Ethics Committee (REC) approval. This project only involved clinical staff and no patient participants. All study participants provided verbal informed consent for participation in this study.
: Not Applicable
: AM has no competing interestsDN has no competing interestsAB has no competing interestsGT is the creator of the Tydeman TubeAS has no competing interests