Disposable liquid stop infusion apparatus
An infusion set and disposable technology, applied in the field of medical devices, can solve problems such as waste of medicinal liquid, achieve the effects of reducing waste, convenient use, and ensuring the dosage of medicines
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Embodiment 1
[0035] Such as Figure 1~3 As shown, the same as the prior art, the disposable liquid stop infusion set in this embodiment includes a sheath 101, a steel needle 102, a steel needle cover 103, a needle seat 104, an upper cap 105, an air filter membrane 106, The pipe 107, the drip tube 108, the upper drip hopper 109, the upper float ball 110, the lower drip hopper 111, the lower float ball 112, and the liquid stop film 113. The liquid stop film 113 is located directly above the liquid outlet of the lower drip hopper 111 and stops. The liquid stop film 113 covers the liquid outlet during liquid. The disposable liquid stop infusion device also includes an infusion tube 117. The infusion tube 117 is inserted into a housing 119, and a roller 118 is provided in the shell 119. Below the infusion tube 117, the upper cover 120, the medical solution filter membrane 121 and the lower cover 122 are sequentially connected. The outer diameters of the upper drip hopper 109 and the lower drip...
Embodiment 2
[0043] Such as Figure 4 As shown, the difference between this embodiment and Embodiment 1 is that the three-way pipe of the separation device in this embodiment is an "h"-shaped three-way pipe. Similar to the embodiment, the "h"-shaped three-way tube includes a core rod channel 1231 and a liquid medicine channel 1232. The difference is that the liquid medicine channel 1232 and the core rod channel 1231 of the "h"-shaped three-way tube are parallel to each other, and communicate with the core rod channel 1231 through a transverse channel 1233, and one end of the transverse channel 1233 is provided with an opening , The opening is provided with a sealing element. That is, the transverse channel 1233 is perpendicular to the core rod channel 1231 and the liquid medicine channel 1322 at the same time. The remaining parts are exactly the same as in Embodiment 1, and will not be repeated here.
Embodiment 3
[0045] Such as Figure 5 As shown, the difference between this embodiment and Embodiments 1 and 2 is that the separation device is provided on the side of the lower drip hopper 111, and a core is provided on the side wall of the lower drip hopper 111 below the lower float 116. Rod channel 123'; the core rod 114' of the separating device penetrates through the core rod channel 123', the raised part of the core rod 114' is directed diagonally upwards to the downward float 112, and the hand-held part of the core rod 114' is located at the Outside the drip bucket 111. Push the core rod 114' obliquely upward to realize the separation of the liquid stop membrane 113 and the liquid outlet.
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