Double-body drug delivery device with paranasal sinus mucus removal function
A technology of drug delivery device and main body, applied in infusion sets, drug devices, other medical devices, etc., can solve the problems of easy infection, high cost, difficulty in extracting sinus mucus, etc., to eliminate symptoms, prevent and treat colds, improve Ease of use effect
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Embodiment 1
[0139] Drug delivery device 1
[0140] A first adapter and a second adapter are installed on the front ends of the first injector and the second injector, respectively.
[0141] The first injector and the second injector were made of 20ml plastic syringes, which were integrated with a fixing bracket, so that the interval between the centers of the entrances and exits formed at the front ends of the first and second adaptors was 20mm.
Embodiment 2
[0143] Drug delivery device 2
[0144] A first adapter and a second adapter are installed on the front ends of the first injector and the second injector, respectively.
[0145] A 20ml plastic syringe is used for the first injector and a 30ml plastic syringe is used for the second injector, which are integrated with a clip-type fixing bracket so as to be formed between the center of the entrance and exit of the front ends of the first and second adapters The interval is 20mm.
experiment example 1
[0146] Experimental Example 1 - Sinus Cleaning
[0147] First, the nasal cavity was emptied by blowing the nose lightly in the washbasin, then the drug delivery device of Example 1 or Example 2 was held with the left hand, and all the air inside the injector was expelled, and then the two nostrils were tightly attached.
[0148] Tilt the head horizontally to the left, open the mouth and close the soft palate, while the lips are whistling and breathing through the mouth, slowly pull the piston push rod of the upper end of the injector back and push it back to the original position. The internal pressure is repeatedly negative and positive.
[0149] When the mucus is flowing from the upper sinuses with the head horizontal, the mucus is collected in the upper injector by pulling the upper injector. While reciprocating the piston push rod of the upper injector, repeatedly apply negative and positive pressure to the nasal cavity until mucus no longer flows from the upper sinuses t...
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