CN212090500U

CN212090500U - Injection device for anorectal administration

Info

Publication number: CN212090500U
Application number: CN202020269282.6U
Authority: CN
Inventors: 张敏; 徐征
Original assignee: Peoples Hospital of Deyang City
Current assignee: Peoples Hospital of Deyang City
Priority date: 2020-03-07
Filing date: 2020-03-07
Publication date: 2020-12-08
Anticipated expiration: 2030-03-07

Abstract

The utility model discloses an anus rectum is used injection device for dosing, including the injection syringe, the inside swing joint of injection syringe has the piston, the inside of injection syringe just is located one side fixedly connected with piston rod of piston, the medicine feeding mouth has been seted up to the one end of injection syringe, the tubule groove has been seted up to the inside bottom of injection syringe to the helicla flute has been seted up on the surface of injection syringe, the one end in tubule groove is linked together with the one end of helicla flute, the utility model relates to a medical instrument technical field. This injection device for anus rectum administration through the setting of helicla flute and extrusion sacculus, can pour into lubricated medicament into in the extrusion sacculus to make lubricated medicament fully distributed to the helicla flute through the squeezing action in, thereby improve the lubrication action of injection syringe and rectum wall or sphincter greatly, reduce the push resistance, alleviate the uncomfortable sense that the push operation led to the fact to the patient, the reinforcing patient is gone up the medicine and is experienced, reduces the patient and resists the mood, does benefit to the improvement and goes up the medicine quality.

Description

Injection device for anorectal administration

Technical Field

The utility model relates to the technical field of medical equipment, in particular to an injection device for anorectal administration.

Background

Rectal administration refers to an administration method in which a drug is delivered into an intestinal canal through the anus, rapidly absorbed through the rectal mucosa, enters the major circulation, and exerts drug effects to treat systemic or local diseases, and there are three main methods of rectal administration, namely retention enema, rectal instillation and suppository insertion, and in clinical work, rectal administration is often required.

In the prior art, in the injection device for rectal administration, frictional resistance is generated by an injection tube and a rectal wall or sphincter in the injection tube pushing process, corresponding pushing force is needed to overcome the frictional resistance to enable the injection device to reach the medicine feeding depth, and a lubricating mechanism is lacked, so that the patient is uncomfortable in the pushing process, and the rectal administration operation is affected.

SUMMERY OF THE UTILITY MODEL

To the deficiency of the prior art, the utility model provides an injection device for anorectal administration, which solves the problem of the prior art.

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: the utility model provides an anus rectum is dosed and is used injection apparatus, includes the injection syringe, the inside swing joint of injection syringe has the piston, the inside of injection syringe and the one side fixedly connected with piston rod that is located the piston, the medicine mouth has been seted up to the one end of injection syringe, the tubule groove has been seted up to the inside bottom of injection syringe to the helicla flute has been seted up on the surface of injection syringe, the one end in tubule groove is linked together with the one end in helicla flute to the other end fixedly connected with connector in tubule groove, one side intercommunication that the tubule groove was kept away from to the connector has the connecting pipe to the one end intercommunication that the connector was kept away from to the connecting pipe has the extrusion sacculus, one side intercommunication.

Preferably, the edge of the groove change of the spiral groove and the edge of the medicine feeding port are both processed by round corners, and one end of the injection tube close to the medicine feeding port is processed by a round head.

Preferably, the injection tube is made of transparent material, and the surface of the injection tube is provided with distance scales.

Preferably, one end of the injection tube, which is far away from the medicine feeding port, is provided with an extension part, and one end of the piston rod is fixedly connected with a push plate.

Preferably, the surface of the piston rod is fixedly connected with fixed wings, and the fixed wings are distributed at equal angles along the circumferential direction of the surface of the piston rod.

Advantageous effects

The utility model provides an injection device for anorectal administration. Compared with the prior art, the method has the following beneficial effects:

this injection device for anus rectum administration through the setting of helicla flute and extrusion sacculus, can pour into lubricated medicament into in the extrusion sacculus to make lubricated medicament fully distributed to the helicla flute through the squeezing action in, thereby improve the lubrication action of injection syringe and rectum wall or sphincter greatly, reduce the push resistance, alleviate the uncomfortable sense that the push operation led to the fact to the patient, the reinforcing patient is gone up the medicine and is experienced, reduces the patient and resists the mood, does benefit to the improvement and goes up the medicine quality.

Drawings

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

fig. 2 is a schematic diagram of the injection tube structure of the present invention.

In the figure: 1-injection tube, 2-piston, 3-piston rod, 4-medicine feeding port, 5-thin tube groove, 6-spiral groove, 7-connector, 8-connecting tube, 9-extrusion sacculus, 10-rubber plug, 11-distance scale, 12-extension part, 13-push plate and 14-fixed wing.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-2, the present invention provides a technical solution: an injection device for anorectal administration comprises an injection tube 1, wherein the injection tube 1 is made of transparent materials, the surface of the injection tube 1 is provided with distance scales 11, the distance scales 11 are convenient for grasping the pushing depth and the administration amount of the injection tube 1, the interior of the injection tube 1 is movably connected with a piston 2, the interior of the injection tube 1 and one side of the piston 2 are fixedly connected with a piston rod 3, one end of the injection tube 1, which is far away from an administration port 4, is provided with an extension part 12, one end of the piston rod 3 is fixedly connected with a push plate 13, the surface of the piston rod 3 is fixedly connected with a fixed wing 14, the outer side of the fixed wing 14 is abutted against the inner wall of the injection tube 1, the stability of the piston rod 3 is enhanced, the piston rod 3 is prevented from shaking, the fixed wing 14 is arranged in equal angular distribution along the surface circumference of the piston rod 3, the administration port 4 is arranged at one end, and the surface of the injection tube 1 is provided with a spiral groove 6, the groove change of the spiral groove 6 and the edge of the medicine feeding port 4 are all round angle treatment, the round angle treatment enables the contact of the injection tube 1 to be smoother, the interference effect during pushing is reduced, the tissues are prevented from being scratched by edges and corners, the round head treatment is carried out on one end of the injection tube 1 close to the medicine feeding port 4, one end of the thin tube groove 5 is communicated with one end of the spiral groove 6, the other end of the thin tube groove 5 is fixedly connected with a connector 7, one side of the connector 7 far away from the thin tube groove 5 is communicated with a connecting pipe 8, one end of the connecting pipe 8 far away from the connector 7 is communicated with an extrusion balloon 9, one side of the surface of the extrusion balloon 9 is communicated with a rubber plug 10, a lubricating agent can be injected into the extrusion balloon 9 by inserting a needle end of a traditional injector into the rubber plug 10, can be used for a plurality of times, and the content which is not described in detail in the specification belongs to the prior art which is well known by the person skilled in the art.

During the use, utilize the syringe to inject lubricated medicament into extrusion sacculus 9 through rubber stopper 10 in, it pushes to aim at the position of adding medicine with 1 button head end of injection syringe, push in-process through pressing extrusion sacculus 9, make the lubricated medicament in the extrusion sacculus 9 get into in the helicla flute 6 through tubule groove 5, the circulation of medicament is convenient for to the helicla flute, make its fully distributed in the surface of injection syringe 1, reach good lubrication action, the operation of pushing away of the injection syringe 1 of being convenient for, control the degree of depth of adding medicine through observing the distance scale on the injection syringe 1, hold injection syringe 1 and push into piston rod 3 and extrude the medicine through last medicine mouth 4, realize the operation of adding medicine to the rectum.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "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 invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. An injection device for anorectal administration, comprising a syringe (1), characterized in that: the inside swing joint of injection syringe (1) has piston (2), one side fixedly connected with piston rod (3) that the inside of injection syringe (1) just is located piston (2), medicine feeding port (4) have been seted up to the one end of injection syringe (1), tubule groove (5) have been seted up to the inside bottom of injection syringe (1) to helicla flute (6) have been seted up on the surface of injection syringe (1), the one end of tubule groove (5) is linked together with the one end of helicla flute (6), and the other end fixedly connected with connector (7) of tubule groove (5), one side intercommunication that tubule groove (5) were kept away from in connector (7) has connecting pipe (8), and the one end intercommunication that connecting pipe (8) kept away from connector (7) has extrusion sacculus (9), one side intercommunication on extrusion sacculus (9) surface has rubber stopper (10).

2. The injection device for anorectal administration according to claim 1, wherein: the edge of the groove change of the spiral groove (6) and the edge of the medicine feeding port (4) are both processed by round corners, and one end of the injection tube (1) close to the medicine feeding port (4) is processed by a round head.

3. The injection device for anorectal administration according to claim 1, wherein: the injection tube (1) is made of transparent materials, and distance scales (11) are arranged on the surface of the injection tube (1).

4. The injection device for anorectal administration according to claim 1, wherein: an extension part (12) is arranged at one end, far away from the medicine feeding port (4), of the injection tube (1), and a push plate (13) is fixedly connected to one end of the piston rod (3).

5. The injection device for anorectal administration according to claim 1, wherein: the surface of the piston rod (3) is fixedly connected with fixed wings (14), and the fixed wings (14) are distributed along the circumferential direction of the surface of the piston rod (3) at equal angles.