Method for dispensing liquid by adopting liquid dispensing connector

Abstract

The invention provides a method for dispensing liquid by adopting a liquid dispensing connector. The method comprises the following steps: (1) inserting a syringe needle at one end of the liquid dispensing connector with syringe needles at two ends into an infusion bag, and inserting a syringe needle at the other end of the liquid dispensing connector into an ampoule; (2) arranging the infusion bag to be above the liquid dispensing connector for certain height, or extruding the infusion bag, so that liquid in the infusion bag enters the ampoule, and the medicine in the ampoule is dispersed in the liquid; and (3) after the medicine in the ampoule is uniformly dispersed in the liquid, arranging the ampoule to be above the liquid dispensing connector for certain height, so that the medicine in the ampoule completely flows into the infusion bag by virtue of the action of gravity, and thus the liquid dispensing process is completed. With the adoption of the method, no pollution exists, no medicine loss is caused, and a power device is not needed.

Description

technical field [0001] The invention belongs to the field of medical drug mixing, and specifically relates to a method for dispensing liquid using a liquid dispensing connector. The method of the invention has the advantages of no pollution, less loss of medicines, and no need for an external power device. Background technique [0002] In the prior art, the traditional domestic and foreign existing methods of dispensing liquids (that is, dispensing medicines) usually use indirect methods. The traditional dispensing procedures are prepared with syringes. Generally, it is necessary to use syringes to extract liquids, dissolve medicines, then draw medicinal liquids, and finally refill them. Inject the liquid medicine to complete the dosing process. Dispensing by disposable syringes has the following disadvantages: (1) Dispensing is achieved through repeated suction, which is more complicated, and the multi-step operation increases the workload. (2) It is easy to cause waste of...

AI Technical Summary

Problems solved by technology

Dispensing by disposable syringes, this method has the following disadvantages: (1) Dispensing is achieved by repeated suction, which is more complicated, and multi-step operations increase the workload

(2) It is easy to cause waste of medicine, so that a large amount of medicine remains in the medicine bottle and syringe; (3) A certain amount of air needs to be injected during the liquid preparation process, and dust, bacteria, viruses and other particles in the air may contaminate the liquid medicine; (4) ) Disposable syringes consume a lot of raw materials and generate a lot of medical waste

[0003] In order to improve the above unfavorable situation, Chinese patent CN201110231119.6 discloses a dispensing method for powder injection and its dispensing device. Liquid bottles, but the realization of this dispensing method must be driven by a special peristaltic pump. At the same time, the dispensing device includes a peristaltic hose and a connecting nozzle. For some dispensing needs, the structure is relatively complicated, and the additional peristaltic pump increases the difficulty of dispensing. The use of peristaltic hoses poses a contamination hazard

[0004] Therefore, in the prior art, there is no suitable liquid dispensing method that is pollution-free, has no drug loss, and does not require an external power device.

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