Special insulin syringe cooperating with intravenous drip
An intravenous drip and syringe technology, applied in the directions of syringes, hypodermic injection devices, and devices introduced into the body, etc., can solve the problems of affecting the curative effect, the patient does not obtain insulin, and insulin is easy to adhere, and achieves guaranteed curative effect and good elastic deformation performance. , the effect of reducing loss
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Embodiment 1
[0029] like figure 2 As shown, the present invention discloses a special insulin syringe for intravenous infusion, including a syringe body and a needle, wherein, the syringe body includes an empty cylinder 1 and a stem 2 slidingly installed in the hollow barrel 1, and the stem 2 is located in the hollow A piston 3 is mounted on one end of the barrel 1; the needle head includes a needle seat 4 detachably mounted on the end of the empty barrel 1, and a needle tube 5 is provided at the front end of the needle seat 4, and a needle point is arranged on the needle tube 5. like image 3 As shown, one of the designs: the needle tube 5 is a telescopic needle tube, and the telescopic needle tube includes a multi-section continuously sleeved short tube with variable diameter, and the needle point is located on a short tube with the smallest diameter; or, as Figure 4 As shown, the second design: the needle tube 5 is a whole elastically deformable metal wire tube, and the needle point ...
Embodiment 2
[0034] As an improved design on the basis of the foregoing embodiment 1, such as Image 6As shown, the syringe body is also provided with a flushing structure for flushing out the remaining insulin droplets in the empty barrel 1 and the needle tube 5 . In the aforementioned design, the needle tube 5 is lengthened so that it can be inserted into the infusion bag, but on the other hand, the infusion channel of the needle tube 5 is also extended, so that a small amount of insulin droplets remains in the needle tube 5, and a small amount remains in the empty cylinder 1 and the piston 3 in the tiny gaps between. Aiming at this kind of trace residue, the flushing structure is designed to enclose it into the infusion bag, further reducing the loss of insulin dose.
[0035] In one implementation form of the flushing structure, the core rod 2 is provided with a first flushing channel 6 penetrating through the core rod 2, and the piston 3 is provided with a second flushing channel 7 co...
Embodiment 3
[0037] This embodiment discloses the second realization form of the flushing structure, such as Figure 7 As shown, the flushing structure is a short flushing pipe 10 arranged on the end of the empty cylinder 1 away from the core rod 2. The short flushing pipe 10 communicates with the inner space of the empty cylinder 1, and the outer end of the short flushing pipe 10 is provided with a Rinse the second rubber stopper 11 of the short tube 10. This method also belongs to the liquid flushing design, which is the same as the previous design principle, except that the flushing position is replaced at the front end of the empty barrel 1, and communicates with the inner space of the empty barrel 1. The insulin in the insulin syringe is injected into the infusion bag first, and then Add a few milliliters of glucose solution from the flushing short tube 10, and flush a small amount of insulin remaining in the gap in the empty tube 1 and in the needle tube 5 into the infusion bag.
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Abstract
Description
Claims
Application Information
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