Anorectal drug delivery device for treatment of digestive system diseases
A technology for digestive system diseases and drug delivery devices, which is applied in the field of drug delivery devices, can solve problems such as poor structure of drug delivery devices, inability to complete drug delivery, increase patient pain, etc., achieve high success rate of drug delivery, reduce work difficulty, and structure reasonable effect
Inactive Publication Date: 2020-06-02
川北医学院附属医院
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Problems solved by technology
[0003] Existing patients with some digestive system lesions need anorectal drug delivery. The drug delivery method is mainly through the anus. The anorectal drug delivery device is manually performed by the doctor, especially when administering hard drugs. It is troublesome, and the existing drug delivery device has a simple structure and poor stability, which will increase the pain of the patient during the drug delivery process, and even can not complete the drug delivery, and the form of the medicine is mainly soft medicine and hard medicine, but the prior art The applicator in the device can only supply a single soft drug or a single hard drug, so that the actual use needs to be administered twice, which increases the difficulty of work
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[0024] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.
[0025] In describing the present invention, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", The orientation or positional relationship indicated by "top", "bottom", "inside" and "outside" are based on the attached figure 1 The orientations or positional relationships shown are only for the convenience of describing the present invention and simplifying the description, and do not ind...
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The invention discloses an anorectal drug dosing device for treating digestive system diseases. The device mainly comprises a shell, a cross rod and a hard drug dosing mechanism, the left end of the shell is fixedly provided with the hard drug dosing mechanism, the left part of the side wall of the top of the shell is provided with a liquid outlet, the side wall of the top of the shell is fixedlyprovided with a fine orifice plate located at the liquid outlet, the left part of the outer wall of the shell is fixedly provided with a baffle ring, the side wall of the bottom end of the shell is fixedly provided with a hollow tube, and the right end of the hollow tube is provided with an opening; and the left end of the cross rod is fixedly provided with a piston, and the middle of the outer side wall of the piston is provided with a piston ring, the outer wall of the piston ring is in sliding contact with the inner wall of the shell, and the right end of the cross rod is fixedly provided with a force holding plate. The device performs semi-automatic anorectal drug dosing on the patient, and is automatically controlled and convenient to use especially during hard drug dosing. The drug dosing device is reasonable in structure, high in stability and high in dosing success rate. The device can complete hard drug and soft drug dosing at one time, thereby reducing work difficulty.
Description
technical field [0001] The invention relates to a drug delivery device, in particular to an anorectal drug delivery device for treating diseases of the digestive system. Background technique [0002] Modern medicine has confirmed that there are abundant arteries, veins, and lymphatic plexuses around the rectum, and the rectal mucosa has a strong absorption function. Anorectal administration makes the drug mix in rectal secretions and is absorbed through the intestinal mucosa. The drug is sent into the intestine through the anus, and enters the large circulation through the rapid absorption of the rectal mucosa, and exerts the drug effect to treat systemic or local diseases. The main methods include retention enema, rectal drip and suppository insertion. According to reports, anorectal administration has good curative effect on the treatment of urinary system, common children's diseases, some common gynecological diseases and andrological diseases, and has a good development ...
Claims
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IPC IPC(8): A61M31/00
CPCA61M31/00A61M2205/07A61M2210/1064A61M2210/1067A61M2210/005
Inventor 王显飞戴俊臣
Owner 川北医学院附属医院