The COVID-19 outbreak and spread throughout the world now constitutes a global public health emergency. Direct contact between doctors and patients in daily practice bears potential risk of Covid-19 infection, and telemedicine, or non-contact medicine, in this circumstance, offers an ideal solution. Remote controlling capsule endoscopy system for gastric examination was recently developed and applicated in clinical practice.

The novel non-contact magnetically-controlled capsule endoscopy (MCE) system (Ankon Technologies, China) adds a remote control workstation and a audio-visual exchange system to the original well-establish MCE system, which consists of a robotic magnetic arm, a workstation (now bypassed) and a capsule endoscope, and boasts a 90% sensitivity and 94% specificity for diagnosing gastric focal lesions. This feasibility study aims to evaluate the technical success, clinical success and adverse events of the first clinical application of non-contact MCE system.

Inclusion Criteria:

• Signed the informed consents before joining this study

Exclusion Criteria:

• Dysphagia or symptoms of gastric outlet obstruction, suspected or known intestinal stenosis, history of upper gastrointestinal surgery or abdominal surgery altering gastrointestinal anatomy
• Refused abdominal surgery to take out the capsule in case of capsule retention
• Implanted pacemaker, except the pacemaker is compatible with MRI
• Other implanted electromedical devices or magnetic metal foreign bodies
• Pregnancy or suspected pregnancy