NaviCam Patency Capsule to Verify Gastrointestinal Patency

Participants included in this study will first swallow a patency capsule and then undergo an abdominal X-ray scan within 30 hours after swallowing the capsule to confirm weather the capsule is still in the body.

Inclusion Criteria: * Patients with suspected or known intestinal stricture (with medical history records, physical examination records, and imaging evidence within the last 6 months. * Patients suffering from Crohn's Disease * Patients with long-term use of non-steroidal anti-inflammatory drugs. * Patients with abdominal symptoms related to intestinal stricture. * Patients with chronic inflammatory diseases. * Patients with difficulty with balloon-assisted endoscopy (BAE). * Patients with a history of small bowel obstruction. * Patients with a history of intestinal resection surgery. Exclusion Criteria: * Patients with esophageal obstruction or swallowing disorder diseases. * Patients who are ineligible for surgery or refuse to undergo any abdominal surgery. * Patients with known allergies or other contraindications or intolerance to the medications used in this study. * Patients with pacemakers or other implanted electronic devices such as cochlear implants, magnetic metal drug infusion pumps, neurostimulators. * Pregnant women * Patients currently enrolled in another drug or device clinical trial. * Other conditions deemed unsuitable for inclusion by the investigator.