Castle Hill Endoscopy

High definition imagery for endoscopy school

The inside story on video and audio relay solutions

Hull & East Yorkshire Hospitals NHS Trust is one of the largest acute Trusts in England, operating from Hull Royal Infirmary and Castle Hill Hospital.  

East Yorkshire School of Endoscopy (EYSE) is one of the UK’s National Training Centres for Endoscopy. The school has provided training for doctors, nurses and non-medical endoscopy specialists from the UK and overseas since 1995.

Courses include Basic Skills in Colonoscopy plus Therapeutic & Upper Gastrointestinal Endoscopy. In 2014, the decision was taken to replace a low resolution CCTV legacy system with a new High Definition video system to relay images from the treatment room to a seminar viewing room.

Having wide experience of similar medical viewing applications, we installed an Epson High Definition projector in the viewing seminar room, plus an 

HD video camera, two-way audio system and switcher, enabling endoscope images to be displayed alongside the live camera pictures.

The HD video feed is transmitted via CAT6 cabling and the camera is controlled from the seminar room using a simple joystick controller. The separate feed from the existing endoscope is linked via an auto switcher, enabling a connected PC to override     either the image from the endoscope or the CCTV dome camera.

In the seminar room, the projector also has a PC input supplied from a Saville HD Scaler located at the lectern. The VGA and HDMI connection will auto-switch whichever connection is in use and send images to the screen via HDMI for HD quality.

Castle Hill Endoscopy


Sound from radio microphones in the treatment room is routed to the seminar room, enabling students to hear commentary from the procedures live. Earpieces fed from belt receiver packs are provided for consultants to hear requests from a microphone in the seminar room.

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