Patent · US Active

Ear irrigation device

US11844916B2 · kind B2 · utility

0Cited by

3References

9Claims

0Family size

Assignee

Ningbo Albert Novosino Co., Ltd. · CN

Inventors

Yonggui Zhang · Shandong, CN
Haibo Hu · Ningbo City, CN

Key dates

Filing date	Apr 22, 2021
Grant date	Dec 19, 2023
Priority date	—
Expiry date	Jan 12, 2042

Classification

Technology area (CPC A)Human Necessities
CPC primaryA61M2210/0662
WIPO fieldMedical technology
WIPO sectorInstruments

Abstract

An ear irrigation device includes a water reservoir, a water inlet chamber, a water inlet assembly communicating with the water inlet chamber and a water outlet assembly communicating with the water inlet chamber. A piston is inserted at one end of the water inlet chamber, the piston and an interior of the water inlet chamber form a chamber, a recess is formed on a side of the piston away from the chamber, a rotor is rotatably connected in the recess, the rotor is connected with a link, an end of the link away from the rotor is connected with an eccentric rotating assembly, one end of the water inlet assembly communicates with the water reservoir, a check valve is arranged in the water inlet assembly, and another check valve is arranged in the water outlet assembly.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.