[1] Tilley A E, Walters M S, Shaykhiev R et al. Cilia dysfunction in lung disease[J]. Annual Review of Physiology, 77, 379-406(2015).

[2] Pang C, An F W, Yang S M et al. In vivo and in vitro observation of nasal ciliary motion in a guinea pig model[J]. Experimental Biology and Medicine, 245, 1039-1048(2020).

[3] Shi G H. Brief introduction of endoscopic technology development[J]. Medical Devices and Health Care, 12, 53(2005).

[4] Tomkinson T H, Bentley J L, Crawford M K et al. Rigid endoscopic relay systems: a comparative study[J]. Applied Optics, 35, 6674-6683(1996).

[5] Xiang Y, Jiang H L, Hu J S. Design on rigid medical endoscope optical system structure[J]. Journal of Changchun University of Science and Technology (Natural Science Edition), 30, 4-6(2007).

[6] Chen C. Medical rigid endoscope optical system design[D](2010).

[7] Yu L, Cheng D W, Zhou W et al. Optimization design of rigid endoscope with high definition and large depth of field[J]. Acta Optica Sinica, 33, 1122003(2013).

[8] Zhang S Q, Wang Q C, Zhi X Y et al. Optical design of rigid endoscope with 30° viewing angle[J]. Acta Optica Sinica, 38, 0222002(2018).

[9] Zhang Y M[M]. Applied optics, 199-203(2015).

[10] Fahy J V, Dickey B F. Airway mucus function and dysfunction[J]. The New England Journal of Medicine, 363, 2233-2247(2010).

[11] Zhang W, Niu C Y, You X H et al. Endocytoscopic imaging system with high magnification and large field of view[J]. Acta Optica Sinica, 41, 1717001(2021).

[12] Li L[M]. Modern optical design method, 133-135(2009).

[13] Chen T F. Design of a zoom digital microscope with double-end parallel optical paths[D](2021).

[14] Tan J. The design of oto-endoscope system[D](2015).