Rectal administration apparatus

An internal drug delivery, rectal technology, applied in the direction of drug devices, physiotherapy, other medical devices, etc., can solve problems such as incomplete solution, no defecation reaction, and inability to evenly apply liquid medicine.

Active Publication Date: 2015-06-24
BEIJING WANSHENG RENHE TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This technical solution has the advantages of not hurting the anal tissue during insertion, and the diaphragm prevents the liquid medicine from flowing back, reducing the waste

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0042] An intrarectal drug delivery device, such as figure 1 , 2 As shown, the intrarectal drug delivery device includes a drug injection part 1, which is made of medical grade polypropylene material by injection molding. The drug injection part 1 is a tubular part with a hollow interior 11, and the side wall of the drug injection part 1 15 is provided with a liquid outlet 12, and the other end is provided with a liquid inlet 13, and the liquid inlet 13 is provided with an internal thread for connection. Such as figure 2 As shown, in order to facilitate the formation of defecation response and uniform application of medicinal liquid, the injection part 1 is provided with an umbrella-shaped auxiliary part 2, which is made of thermoplastic elastomer TPE material injection molding, which is soft and easy to deform. The umbrella-shaped outer edge protrudes outward from the side wall 15 of the injection part 1, and the central part is connected with the injection part 1, and the...

Embodiment 2

[0047] Such as image 3 As shown, the rectal drug delivery device is made of integral injection molding. The drug injection part 1 is formed by extending upward from the conical drug storage part liquid outlet 53 of the drug storage part 5. The top 14 and side wall 15 of the drug injection part 1 are provided with Liquid outlet 12, the liquid outlet 12 is a rectangular opening, the liquid outlet 12 is sealed by parts with sealing effect before use, to ensure that the lubricant stored in the medicine storage part 5 does not overflow. In order to further enhance the defecation effect, the device also includes at least one auxiliary part 2, which is sleeved on the side wall 15 close to the upper end of the injection part 1, and the center is fixed on the side wall 15 of the injection part 1, and the surroundings are umbrella-shaped Extending to the outside of the side wall 15 of the injection part 1, the auxiliary part 2 is made of medical-grade thermoplastic elastomer TPE materi...

Embodiment 3

[0050] Such as Figure 4 , 5 As shown, the rectal drug delivery device has a drug injection part 1 with a hollow interior 11, and the drug injection part 1 is made of medical grade propylene-butadiene-styrene copolymer material by injection molding, such as Figure 8 , 9 As shown, one end of the injection part 1 is provided with a liquid inlet 13, and the liquid inlet 13 is provided with a threaded interface 131 or a buckle interface 132 which is convenient to connect with the drug storage part 5. On the top 14 and the side wall 15 of the injection part 1 A liquid outlet 12 is provided, and an annular groove is provided on the upper part of the injection part 1. The annular groove can fix the auxiliary part 2 located on the side wall 15 of the injection part 1. The auxiliary part 2 is made of medical grade thermoplastic polyurethane elastic It is made of body injection molding, which not only has good biocompatibility, but also has a soft texture and high comfort in contact ...

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PUM

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Abstract

The invention provides a rectal administration apparatus, comprising an injection part. The injection part is a hollow tubular part; the top end and/or the sidewall of the injection part are provided with liquid outlets; the other end of the injection part is provided with a liquid inlet. The rectal administration apparatus further comprises an auxiliary part; the auxiliary part easily deformable is connected with the injection part and partially protrudes out towards the outside of the sidewall of the injection part; the auxiliary part has the function of fully lubricating the rectal wall and the function of expanding the anorectum to stimulate bowel movement, thus promoting defecation. The defects of the traditional glycerol enema are overcome, the rectal administration apparatus is more convenient and quicker to use, and better treatment is provided for patients with constipation.

Description

technical field [0001] The invention relates to a drug delivery device in the rectum, in particular to a device capable of delivering medicinal liquid to the inside of the rectum, and belongs to the technical field of medical device manufacturing. Background technique [0002] Constipation is a common clinical symptom, and the prevalence rate of constipation in the population is as high as 27%. Among the current clinical methods for solving constipation, rectal administration is the most widely used treatment method. The principle of rectal administration to treat constipation is to inject medicinal liquid into the rectum to lubricate the anorectal wall while softening and excreting feces, thereby alleviating the symptoms of constipation. The most typical rectal administration device is Kaisailu. The traditional Kaisailu includes a medicine storage bottle and a medicine injection tube connected with the medicine storage bottle. When in use, open the opening on the medicine i...

Claims

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Application Information

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IPC IPC(8): A61M31/00A61H21/00
Inventor 董东生周慷杜娥李付佳
Owner BEIJING WANSHENG RENHE TECH
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