CN216755186U

CN216755186U - Administration injection device

Info

Publication number: CN216755186U
Application number: CN202122685502.0U
Authority: CN
Inventors: 魏冰
Original assignee: Xuzhou Central Hospital
Current assignee: Xuzhou Central Hospital
Priority date: 2021-11-04
Filing date: 2021-11-04
Publication date: 2022-06-17
Anticipated expiration: 2031-11-04

Abstract

The utility model discloses a drug delivery injection device, which relates to the technical field of rectal drug delivery and comprises an injector, wherein the tail end of the injector is connected with the end part of a tubular joint, the other end of the tubular joint is connected with the liquid inlet end of a one-way valve, the liquid outlet end of the one-way valve is connected with the liquid inlet end of an L-shaped injection tube, and the liquid outlet end of the injection tube is provided with a cap; the injection tube is formed by connecting a connecting section, an inserting section, an anti-falling section and an injection section in sequence, and the inserting section, the anti-falling section and the injection section of the injection tube are coaxially arranged and are perpendicular to the injector. The anti-dropping device is simple to operate and convenient to use by arranging the one-way valve and the injection tube, the injection tube is convenient to feed into an anus, the use feeling is good, the irritation of rectal mucosa is reduced, and the anti-dropping section is combined with the one-way valve to effectively prevent the medicine from flowing back through material blocking and one-way circulation.

Description

Administration injection device

Technical Field

The utility model relates to the technical field of rectal administration, in particular to an administration injection device.

Background

Rectal administration is a treatment method of rectally injected medicament, is safe and quick in treatment effect, and is suitable for children and old people with fragile liver.

The rectum is a cavity organ, mucosa is thin and tender, the injected medicine can directly stimulate the nerve of a patient to cause muscle contraction, the tolerance is not good, the discomfort is large, and the injected medicine liquid can flow back, so that the administration injection device is provided for people.

SUMMERY OF THE UTILITY MODEL

Aiming at the problems in the rectal administration process, the utility model provides an administration injection device, which effectively avoids the backflow of drug injection by utilizing the unidirectional circulation and drug blockage of liquid medicine.

In order to achieve the purpose, the utility model provides the following technical scheme: the administration injection device comprises an injector, the tail end of the injector is connected with the end part of a tubular joint, the other end of the tubular joint is connected with the liquid inlet end of a one-way valve, the liquid outlet end of the one-way valve is connected with the liquid inlet end of an L-shaped injection tube, and the liquid outlet end of the injection tube is provided with a cap;

the injection tube is formed by connecting a connecting section, an inserting section, an anti-falling section and a liquid injection section in sequence, and the inserting section, the anti-falling section and the liquid injection section of the injection tube are coaxially arranged and are perpendicular to the injector.

Preferably, a heat preservation sleeve is sleeved on the syringe of the injector.

Preferably, the check valve is a zero-starting-pressure check valve, and the barb type interface end part of the check valve is butted with the tail end of the injector.

Preferably, the injection tube is of an integrally formed glass tube structure, and the connecting section is of an L shape.

Preferably, the surface of the insertion section is provided with graduation lines to measure the depth of the injection insertion.

Preferably, the pipe diameter of anticreep section is greater than the pipe diameter of insertion section and notes liquid section, one section that the anticreep section is close to and annotates the liquid section is the path trumpet tube, one section that the anticreep section is close to the insertion section is the big footpath pipe that links up with the trumpet tube flared end, and the pipe afterbody sets up the arc lead angle.

Preferably, the end part of the liquid injection section is smooth and is an arc surface, and the surface of the liquid injection section is used for discharging liquid through an injection hole.

Preferably, the block is a silica gel cap, and the block cover is established in annotating the liquid section.

The utility model has the following beneficial effects:

the anti-dropping section not only prevents the injection tube from being separated from the anus and effectively blocks the medicine, but also is simple and quick to operate, improves the compliance of medicine administration, prevents the backflow of the medicine liquid and is convenient to use.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a schematic view of the structure of the connecting position of the end of the check valve of the present invention.

In the figure: 1. an injector; 2. a tubular fitting; 3. a one-way valve; 4. an injection tube; 41. a connection section; 42. an insertion section; 43. an anti-drop section; 44. a liquid injection section; 5. capping; 6. an insulating sleeve.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

As shown in fig. 1-2, the present invention provides a technical solution: the administration injection device comprises an injector 1, wherein the tail end of the injector 1 is connected with the end part of a tubular joint 2, the other end of the tubular joint 2 is connected with the liquid inlet end of a one-way valve 3, the liquid outlet end of the one-way valve 3 is connected with the liquid inlet end of an L-shaped injection tube 4, and a cap 5 is arranged at the liquid outlet end of the injection tube 4;

the injection tube 4 is formed by connecting a connecting section 41, an inserting section 42, an anti-falling section 43 and a liquid injection section 44 in sequence, and the inserting section 42, the anti-falling section 43 and the liquid injection section 44 of the injection tube 4 are coaxially arranged and are perpendicular to the injector 1.

As a technical optimization scheme of the utility model, the heat-insulating sleeve 6 is sleeved outside the injection cylinder of the injector 1, the heat-insulating sleeve 6 has a heat-insulating effect on the preheated liquid medicine and the injector 1, the temperature reduction of the liquid medicine is reduced as much as possible in the operation process, and the liquid medicine is prevented from being cold and stimulating mucosa to cause liquid medicine backflow.

As a technical optimization scheme of the utility model, the check valve 3 is a zero-starting-pressure check valve, and the end part of the barb type interface of the check valve 3 is butted with the tail end of the injector 1, so that the smooth circulation of liquid medicine is ensured.

As a technical optimization scheme of the present invention, the L-shaped injection tube 4 is an integrally formed glass tube structure, and the connection section 41 is L-shaped.

As a technical optimization scheme of the utility model, the surface of the insertion section 42 is provided with scale marks to measure the depth of injection insertion, and the rectal administration depth is selected according to the age of a patient.

As a technical optimization scheme of the utility model, the pipe diameter of the anti-drop section 43 is larger than the pipe diameters of the insertion section 42 and the liquid injection section 44, one section of the anti-drop section 43 close to the liquid injection section 44 is a small-diameter flared pipe, one section of the anti-drop section 43 close to the insertion section 42 is a large-diameter circular pipe connected with a flared end of the flared pipe, and the tail of the circular pipe is provided with an arc-shaped lead angle.

As a technical optimization scheme of the utility model, the end part of the liquid injection section 44 is smooth and is an arc surface, and the surface of the liquid injection section 44 is provided with an injection hole for discharging liquid.

As a technical optimization scheme of the utility model, the cap 5 is a silica gel cap, and the cap 5 is sleeved on the liquid injection section 44 to prevent air from entering.

When using, preheat the liquid medicine, syringe 1, the tubular joint 2, check valve 3 and injection syringe 4 are waited to use, temperature control is at 37 ℃ ± 2 ℃, the patient takes the prone position, install the injection device that doses, will insert section 42 and send into anus 4-10cm after preparing, inject the medicine slowly through syringe 1, the medicine is under the putty of anticreep section 43 and under the one-way circulation effect of check valve 3, and the injection device that doses feels better, the difficult backward flow of medicine, dose and finish, gently extract injection syringe 4, it fully absorbs to wait the liquid medicine, but free activity.

It should be noted that, in this document, terms such as "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. Administration injection device comprising an injector (1), characterized in that: the tail end of the injector (1) is connected with the end part of the tubular joint (2), the other end of the tubular joint (2) is connected with the liquid inlet end of the one-way valve (3), the liquid outlet end of the one-way valve (3) is connected with the liquid inlet end of the L-shaped injection tube (4), and the liquid outlet end of the injection tube (4) is provided with a cap (5);

injection pipe (4) are linked up in proper order by linkage segment (41), insertion section (42), anticreep section (43) and annotate liquid section (44) and constitute, and insertion section (42), anticreep section (43) and the notes liquid section (44) coaxial setting of injection pipe (4) to set up perpendicularly with syringe (1).

2. The administration injection apparatus of claim 1, wherein: the syringe of the syringe (1) is sleeved with a heat-insulating sleeve (6).

3. The administration injection apparatus of claim 1, wherein: the check valve (3) is a zero-starting-pressure check valve, and the barb type interface end part of the check valve (3) is in butt joint with the tail end of the injector (1).

4. The administration injection apparatus of claim 1, wherein: the injection pipe (4) is of an integrally formed glass pipe structure, and the connecting section (41) is L-shaped.

5. The administration injection apparatus of claim 1, wherein: the surface of the insertion section (42) is provided with scale marks to measure the depth of the injection insertion.

6. The administration injection apparatus of claim 1, wherein: the pipe diameter of anticreep section (43) is greater than the pipe diameter of inserting section (42) and notes liquid section (44), anticreep section (43) are close to one section of annotating liquid section (44) and are path trumpet tube, anticreep section (43) are close to one section of inserting section (42) and are the big footpath pipe that links up with the trumpet tube flared end, and the pipe afterbody sets up the arc lead angle.

7. The administration injection apparatus of claim 1, wherein: the end part of the liquid injection section (44) is smooth and is an arc surface, and liquid is discharged from the surface of the liquid injection section (44) through an injection hole.

8. The administration injection apparatus of claim 1, wherein: the cap (5) is a silica gel cap, and the liquid injection section (44) is sleeved with the cap (5).