2025/09/12
Shanghai Huarui has been awarded an invention patent for a dual-dose nasal spray device, marking another breakthrough in precise drug delivery technology
On October 3, 2025, Shanghai Huarui was awarded a patent certificate by the National Intellectual Property Administration. The present invention is a dual-dose nasal spray device, which comprises a nasal spray mechanism, a conveying mechanism and a medium storage device. The conveying mechanism is slidably assembled into the nasal spray mechanism. The medium storage device is assembled in the conveying mechanism. The conveying mechanism is configured to perform two discharge strokes on the medium storage tank, allowing the medium in the medium storage tank to be discharged to the nasal cavity in two batches through the medium channel. This patent has greatly enhanced the user experience of patients.
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