Disposable suction valve for an endoscope

摘要

A disposable suction valve is provided. In some embodiments, the disposable suction valve may include a stem providing an air passage through the stem, a spring, a spring stanchion cup, and a boot. A method for manufacturing a disposable suction valve may include several steps. A stem and spring stanchion cup are molded, and a bottom end of the stem is placed through the center of a spring. The bottom end of the stem is placed through a stem opening in the spring stanchion cup, and the tabs or the spring stanchion cup are placed into recessed apertures of the stem. The boot may be over-molded on the spring stanchion cup or molded and placed onto the spring stanchion cup.

主权项

1. A method for manufacturing a disposable suction valve comprising: molding a stem having at least one opening and at least one recessed aperture; molding a spring stanchion having an outer ring having a cutout, a diaphragm, and an extension comprising a tab, the spring stanchion molded as a single monolithic piece; placing a bottom end of the stem through the center of a spring; placing the bottom end of the stem through a stem opening in the spring stanchion; and placing the tab of the spring stanchion into the at least one recessed aperture of the stem; wherein the stem and the spring stanchion comprise disposable thermoplastic material.