The product main contain one-way valve plus drug plant,elastic force store liquid plant,liquid drug filter,limit to velocity of flow plant,give liquid by oneself to control plant(or no),tube,conical fitting and so on.
The instrument will make no directly contact with the sufferer the indirectly contact with the sufferer is made through fluid, so the likely adverse side effect is caused by the fluid.
1, Nausea and vomitus: Medicine which includes opium medicines as morphine and demerol and non-steroidal anti-inflammatory drugs as Ketorolac is usually applied by venous system. The nausea and vomitus as the most side effects are caused by low dosage of opium medicines, which is also likely relating to the operation or the application of other medicines.
2, Pain and itch of skin: In case of the application of morphine hydrochloride, the occurrence rate of pain and itch is of dose dependent.
3, Gastrointestinal dysfunction: The patients who take the opium medicines may behave as ileus which mostly occurs after the operation of epigastrium and lasts for 24 hours. The occurrence of ileus also relate to the factors like operation.