US Patent 11911000 Endoscope including a plurality of individually testable subassemblies

An endoscope includes a first subassembly, a second subassembly, a third subassembly, and a fourth subassembly, which are sequentially assembled and tested in making the endoscope. The first subassembly includes a pressure-sealed electrical cable connected to an image capture unit. The second subassembly includes the first subassembly, a shell, a light pipe, and a lid. The third subassembly includes the second subassembly, a central tube, and a flange. The fourth subassembly includes the third subassembly, a base, a shaft, and optionally an articulating assembly.