Needle-free syringe main body and needle-free syringe
A needle-free syringe and main body technology, which is applied in the field of medical devices, can solve the problems of high cost, cumbersome medicine taking operation, and the two-in-one medicine tube/storage bottle cannot meet the safety requirements of medicines, so as to achieve the effect of avoiding loss.
Active Publication Date: 2021-09-24
BEIJING QS MEDICAL TECH
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AI Technical Summary
Problems solved by technology
It can be seen that the medicine extraction operation is more cumbersome
[0004] Aiming at this problem, an existing solution is to combine the drug tube and the drug storage bottle into one for one-time use, but this method is expensive, and the material of the two-in-one drug tube / medicine bottle is usually Unable to meet the safety requirements for long-term contact with drugs
Method used
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[0137] Hereinafter, a needle-free injector, a needle-free injector body, and an injection head of the needle-free injector according to the present invention will be described in detail with reference to the accompanying drawings. Provided below are only preferred embodiments according to the present invention, and those skilled in the art can think of other ways to realize the present invention on the basis of the preferred embodiments, and the other ways also fall within the scope of the present invention .
[0138] The invention provides an injection head of a needle-free injector, a main body of the needle-free injector and the needle-free injector. Figure 1-Figure 34B Some preferred embodiments according to the invention are shown.
[0139] First of all, it should be explained that the "axis direction" mentioned in this article can be understood as the direction of the axis X of the needle-free injector. In this axis direction, the direction towards the patient when usi...
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The present invention relates to a needle-free injector body and a needle-free injector. The main body of the needle-free injector includes a base, an outer housing, an inner push rod system, a tonic push rod and a transmission device. According to the present invention, it is possible to accommodate a drug storage bottle such as a cartridge in a needle-free injector, and perform suction and injection at every use. In the process of taking the medicine, the cork of the medicine storage bottle is also pushed by the tonic push rod to speed up the medicine taking. This operation process can be completed efficiently and labor-savingly, and the whole process does not need to take out the medicine storage bottle and does not need to separate the medicine tube from the medicine storage bottle.
Description
technical field [0001] The present invention relates to medical devices for injecting liquid medicines. More specifically, the present invention relates to a needle-free syringe body and a needle-free syringe. Background technique [0002] Needle-free injectors do not require the use of needles, but are a medical device that applies high pressure to liquid medicines to inject them into the patient's subcutaneous skin through micropores at the end, thereby saving patients from the pain of needle sticks. Needle-free injectors typically include a cartridge and a pusher. The function of the drug tube is to contain the liquid drug. [0003] Usually, when using a needle-free syringe, you first need to install the medicine tube on the needle-free syringe, and then draw the medicine from the medicine storage bottle through the needle at the front end of the medicine tube. After the medicine is drawn, the medicine tube and the medicine storage bottle must be separated. to be able ...
Claims
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IPC IPC(8): A61M5/307A61M5/31A61M5/315
CPCA61M5/30A61M5/31A61M5/31511A61M5/31525A61M5/31583A61M5/31593A61M2005/3128
Inventor 张明
Owner BEIJING QS MEDICAL TECH