Drug fluid distributor capable of keeping drug administration uniformity, and dexmedetomidine nasal atomizer

Abstract

The invention belongs to the technical field of drug fluid distribution. Compared with an injection drug administration way, a device for drugs for external use always stores more drugs, and the drugsare applied in batches in various occasions. The device for drugs for external use always has a long use period and a relatively poor storage condition, requirements for stability of medicaments in the device for drugs for external use are higher, and medicament auxiliary material selection and compatibility of packing materials are key factors which are mainly considered and screened. When the device for drugs for external use is used for multiple times or only a small quantity of liquid is required for loading drugs, dosage delivery is insufficient and / or differences are large, and a situation that active ingredients degrade is usually associated immediately. Although most cases are as usually known that medicament stability is insufficient and active ingredients degrade to enable a curative effect to get worse, the thought of technicians in the field is restricted. The invention makes an in-depth study to discover a reason for generating an unstable curative effect in another accompanying drug administration utilization process, and on the basis, a novel drug fluid distributor is provided.

Description

technical field [0001] The invention belongs to the technical field of drug fluid distribution, and in particular relates to a drug fluid dispenser capable of maintaining the uniformity of drug administration under a low amount of drug fluid, especially a psychotropic drug nasal sprayer, especially a dexmedetomidine nasal spray sprinkler. Background technique [0002] External medicine (skin, mucous membrane, cavity, etc.) requires a variety of drug delivery devices, and fluid dispensers are one of them. Common fluid dispensers such as nasal sprays and the like. [0003] Different from the way of injecting drug administration, relatively large amount of drugs are usually stored in external drug devices and administered in batches in various occasions not limited to hospitals. Drugs in external drug devices often have a long service life and relatively poor storage conditions, which put forward higher requirements for the stability of drugs in external drug devices. Therefo...

AI Technical Summary

Problems solved by technology

However, when the drug dose is low after long-term use or when only a small amount of liquid is required to load an effective dose of drug, the liquid level in the dispenser container is low and cannot completely cover the liquid inlet of the dip tube

This causes the dip tube to contain an indeterminate amount of gas when it draws the medicine, which leads to insufficient medicine dose in a single dose, and the most critical thing is that the dose of medicine administered each time changes with the change of the gas entering, and each dose cannot Maintain consistent uniformity and accuracy

In the end, it is impossible to give a sufficient amount of medicine under the predetermined number of administrations, and the therapeutic effect cannot be achieved.

[0006] Based on the above background, how to discover, reveal and solve the problem of the uniformity and accuracy of the above-mentioned drug fluid dispenser under the low level of liquid fluid medicine, which has not been disclosed in the existing research field of drug fluid dispensers

[0007] On the other hand, due to the lack of homogeneity and low drug administration accuracy at low levels, discarded low-level psychoactive drugs often have the social risk of being illegally collected and used illegally

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