Search

CN-224207214-U - Anorectal drug delivery device

CN224207214UCN 224207214 UCN224207214 UCN 224207214UCN-224207214-U

Abstract

The utility model discloses an anorectal drug delivery device, which comprises a drug delivery tube and an injection tube inserted into the drug delivery tube, wherein one end of the drug delivery tube is a closed end, a plurality of convex rings are connected to the tube wall of the drug delivery tube at intervals along the length direction, drug delivery holes are connected to the tube wall between two adjacent convex rings, an isolation sleeve is arranged in the drug delivery tube, one end of the isolation sleeve is connected with the inner wall of the drug delivery tube through a connecting part, the other end of the isolation sleeve extends towards the closed end, and each drug delivery hole is arranged between the closed end and the connecting part. Through setting up the bulge loop, when the pipe inserts the anus intestines, the direct contact of the inner wall of anus intestines and administration hole can be reduced as far as possible to a plurality of bulge loops, simultaneously through setting up the spacer sleeve for the medicine is that the clearance between spacer sleeve and the pipe is followed to the clearance of dosing after flowing through closed end inner wall buffering earlier in the process of dosing, thereby can effectively reduce the speed that the medicine was released thereby reduces the stimulation to anus intestines, further reduces patient's uncomfortable sense.

Inventors

  • YAN ZEHUI
  • AI YINGYING

Assignees

  • 乌鲁木齐市第一人民医院(乌鲁木齐儿童医院)

Dates

Publication Date
20260508
Application Date
20241230

Claims (10)

  1. 1. The utility model provides an anus intestines dosing device, includes administration tube (100) and with injection tube (200) of pegging graft of administration tube (100), its characterized in that, the one end of administration tube (100) is blind end (110), be connected with a plurality of bulge loops (120) along length direction even interval on the pipe wall of administration tube (100), even interval connection has a plurality of dosing holes on the pipe wall between two adjacent bulge loops (120), be provided with in administration tube (100) with clearance between blind end (110) spacer sleeve (140), spacer sleeve (140) with there is the clearance between the pipe wall of administration tube (100), spacer sleeve (140) outer wall with there is the clearance between the pipe wall of administration tube (100), one of them one end of spacer sleeve (140) pass through connecting portion (150) with the inner wall of administration tube (100) is connected, spacer sleeve (140) other end and orientation on the pipe wall between two bulge loops (120) is provided with each dosing hole set up in between blind end (110) and connecting portion (150).
  2. 2. Anorectal administration device according to claim 1, characterized in that the administration hole is arranged obliquely, the outlet end (131) of the administration hole being closer to the closed end (110) of the administration tube (100) than the inlet end (132) of the administration hole.
  3. 3. The anorectal administration device of claim 1, wherein the spacer sleeve (140) tapers in caliber from a direction away from the closed end (110) of the administration tube (100) toward the closed end (110) of the administration tube (100).
  4. 4. Anorectal administration device according to claim 1, characterized in that the inner wall of the end of the closed end (110) is further connected with a broken cone (160), and the central axis of the broken cone (160) coincides with the central axis of the administration tube (100).
  5. 5. The anorectal administration device according to claim 1, wherein the administration tube (100), the collar (120), the spacer sleeve (140) and the connection portion (150) are integrally formed, and wherein the administration tube (100), the spacer sleeve (140) and the connection portion (150) are all made of a silicone material.
  6. 6. The anorectal administration device of claim 1, wherein the injection tube (200) is open at both ends, one end of the injection tube (200) near the closed end (110) is a push-out end (210), and the other end of the injection tube (200) is a push-in end (220).
  7. 7. The anorectal administration device according to claim 6, wherein a drug pushing plate (310) and a push rod (320) with one end fixedly connected with the drug pushing plate (310) are movably connected in the injection tube (200), the other end of the push rod (320) extends out from the push-in end (220), and a drug storage bin for storing drugs is arranged between the drug pushing plate (310) and the push-out end (210).
  8. 8. The anorectal administration device of claim 7, wherein a positioning plate (170) is connected to the administration tube (100), and wherein the push-out end (210) is connected to the positioning plate (170) when the injection tube (200) is inserted into the administration tube (100).
  9. 9. The anorectal administration device of claim 8, wherein a one-way stop member is connected to an inner wall of the administration tube (100) on a side thereof remote from the closed end (110), the one-way stop member being connected between the connection portion (150) and the positioning plate (170).
  10. 10. The anorectal administration device of claim 9, wherein the unidirectional limiting member is a plurality of petals (180) inclined toward the closed end (110), a minimum circumferential dimension of the plurality of petals (180) in a circumferential direction of the administration tube (100) is smaller than an outer diameter of the drug-pushing plate (310), and a maximum circumferential dimension of the plurality of petals (180) in the circumferential direction of the administration tube (100) is larger than the outer diameter of the drug-pushing plate (310).

Description

Anorectal drug delivery device Technical Field The utility model relates to the technical field of medical equipment, in particular to an anorectal drug delivery device. Background Anorectal diseases refer to diseases and partial colon diseases occurring at anorectum parts, the current medical records are seventy, the number of the anorectum diseases occurring at anorectum sections is the largest, the anorectum diseases are usually treated by suppository and anorectum administration mode, the suppository refers to a solid preparation which is prepared by a medicine and a proper matrix and is provided with a certain shape and is used for being administered in human body cavity, the anorectum administration refers to an administration method which is used for sending the medicine into an intestinal canal through anus, and the medicine is quickly absorbed into the large circulation through rectal mucosa, so that the medicine effect is exerted to treat systemic or local diseases. For the administration device of anorectal department, mainly two parts, one part is an administration tube, the upper part is provided with an administration hole, the administration tube is inserted into the inside for discharging medicine, and the other part is a medicine storage device connected with the administration tube, similar to a syringe, for delivering medicine to the administration tube. The disposable anus drug delivery device comprises a shell with a drug inlet and a drug outlet, a drug delivery cavity arranged in the shell and used for placing drugs and a drug delivery push rod matched and connected in the drug delivery cavity, wherein the drug inlet and the drug outlet are communicated with the drug delivery cavity, the diameter of the drug delivery push rod is matched with the inner diameter of the drug delivery cavity, a silica gel film is arranged at the drug outlet of the shell, a cross port is formed in the silica gel film, the disposable anus drug delivery device is reliable in structure and convenient to use, various drugs such as ointment and suppositories can be conveniently, sanitarily, efficiently and accurately delivered through the arrangement of the shell, the drug delivery push rod and the silica gel film, the action area can be effectively reached, the drug waste is reduced, the drug delivery is not in place and the infection risk is reduced, and discomfort during anus drug delivery is effectively relieved through the arrangement of a special conical structure of the shell. However, the technical scheme has the following defects that one end of the shell is in an open shape and is inconvenient to insert into the anus in actual use, and the shell is in a conical structure, so that the expansion force of the shell to the anus is continuously increased when the shell is gradually inserted into the anus, and the device does not lubricate the anus in use, so that the anus of a patient can feel torn. Disclosure of utility model The present utility model aims to solve at least one of the technical problems existing in the prior art. Therefore, the utility model provides an anorectal administration device which can reduce discomfort of patients. According to the anorectal administration device provided by the embodiment of the utility model, the anorectal administration device comprises an administration tube and an injection tube inserted into the administration tube, wherein one end of the administration tube is a closed end, a plurality of convex rings are uniformly and alternately connected to the tube wall of the administration tube along the length direction, a plurality of administration holes are uniformly and alternately connected to the tube wall between two adjacent convex rings, an isolation sleeve with a gap between the isolation sleeve and the closed end is arranged in the administration tube, the isolation sleeve is coaxially arranged with the administration tube, a gap exists between the outer wall of the isolation sleeve and the tube wall of the administration tube, one end of the isolation sleeve is connected with the inner wall of the administration tube through a connecting part, and the other end of the isolation sleeve extends towards the closed end, and each administration hole is arranged between the closed end and the connecting part. The anorectal administration device has the advantages that the convex rings are arranged, when the administration tube is inserted into the anorectal, the direct contact between the inner wall of the anorectal and the administration hole can be reduced as much as possible, discomfort of a patient can be greatly reduced, meanwhile, the isolating sleeve is arranged, so that medicines flow through the inner wall of the closed end for buffering in the administration process and then flow into a gap between the isolating sleeve and the administration tube and then flow out of the administration hole, the speed of pushing out the medicines can be effectively r