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Configuration needle with air pressure balancing function and configuration device

A technology of air pressure balance and function, applied in the field of medical devices, can solve problems such as hindering injection or extraction operations, low work efficiency, and hazards to related personnel, so as to avoid drug residue or splash, improve safety and reliability, and improve efficiency and safety effects

Pending Publication Date: 2018-10-30
信远德怡医疗科技(北京)有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

When such a single-chamber / single-hole needle structure injects a solvent into a sealed container (such as a vial), a positive pressure will be generated in the sealed container, which will hinder the smooth injection of the solvent, and at the same time, there will be liquid / aerosol when the needle is pulled out. Splashing will cause harm to the operator and the people in this space
In addition, when using a single-lumen / single-hole needle to extract the dissolved medicinal solution from the sealed container, negative pressure will be generated in the sealed container, making it difficult to extract the medicinal solution and reducing work efficiency
Therefore, the inventor found that the prior art has at least the following defects in the process of realizing the application: the currently used configuration needle is easy to hinder the injection or extraction operation due to positive or negative pressure when extracting or injecting the medicine in the sealed container, and even May cause harm to relevant personnel and cause waste of liquid medicine

Method used

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  • Configuration needle with air pressure balancing function and configuration device
  • Configuration needle with air pressure balancing function and configuration device
  • Configuration needle with air pressure balancing function and configuration device

Examples

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Embodiment Construction

[0037] In order to make the objectives, technical solutions and advantages of the present invention clearer, the present invention will be further described in detail below with reference to specific embodiments and accompanying drawings.

[0038] It should be noted that all expressions using "first" and "second" in the embodiments of the present invention are for the purpose of distinguishing two entities with the same name but not the same or non-identical parameters. It can be seen that "first" and "second" It is only for the convenience of expression and should not be construed as a limitation to the embodiments of the present invention, and subsequent embodiments will not describe them one by one.

[0039] Aiming at the problem that positive and negative pressures are prone to occur in the current preparation of medicines, the present application proposes an improved structure, so that the solvent can be injected into the sealed container smoothly or the medicinal liquid c...

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Abstract

The invention discloses a configuration needle with an air pressure balancing function and a configuration device. The configuration needle comprises a needle tip and a needle stand. The needle head is internally provided with double chamber channels for ventilating and liquid passing. The ventilating channel is internally provided with an upper hole which is next to the needle tip part, and a lower hole which is close to the needle stand part. The liquid passing channel is internally provided with a liquid passing hole. The connecting position between the needle stand and the needle tip is provided with a needle stand interface which corresponds with the lower hole, thereby communicating the ventilating channel with outside through the needle stand interface. According to the configuration needle with the air pressure balancing function, through arranging the ventilating channel and the liquid passing channel which are isolated from each other, forming of the positive air pressure andthe negative air pressure can be prevented, and a medicament configuration operation rate and reliability are improved.

Description

[0001] This application claims the priority of the Chinese patent application filed on May 26, 2017, with the application number of 201720601617.8 and the utility model titled "A configuration needle and configuration device with air pressure balance function". The entire contents of this application are incorporated by reference. technical field [0002] The invention relates to the technical field of medical devices, in particular to a configuration needle and a configuration device with an air pressure balance function. Background technique [0003] At present, when using a drug in a sealed container, such as a vial for liquid dispensing, the configuration needle used is a general single-chamber / single-hole structure. When such a single-chamber / single-hole needle structure injects a solvent into a sealed container (such as a vial), a positive pressure will be generated in the sealed container, which will hinder the smooth injection of the solvent, and at the same time, th...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61J1/20
CPCA61J1/201
Inventor 何沅刘数春黄建中马祝青刘卫卫王颜雨
Owner 信远德怡医疗科技(北京)有限公司
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