CN215536703U

CN215536703U - Perfusion apparatus

Info

Publication number: CN215536703U
Application number: CN202120334489.1U
Authority: CN
Inventors: 李玲; 文艳
Original assignee: Peoples Hospital of SND
Current assignee: Peoples Hospital of SND
Priority date: 2021-02-05
Filing date: 2021-02-05
Publication date: 2022-01-18
Anticipated expiration: 2031-02-05

Abstract

The present invention provides a syringe comprising: the front end of the pushing barrel is provided with a first joint; the side surface of the pushing cylinder is provided with a second joint which is communicated with the inner cavity of the pushing cylinder; and a filtering device is arranged in the pushing barrel in a region between the first joint and the second joint, and the filtering device at least comprises a filtering membrane. The pushing device is internally provided with the filtering membrane, so that food residues or residues which are not dissolved in tablets can be filtered through the filtering membrane, and the risk of blockage of gastrointestinal tubes is reduced. In addition, through the second joint that adds, can be nimble close or open first, the second joint with the help of stopper adaptability, can wash away the residue with warm water. Compared with the prior art, the novel filtering device has the advantages that the barrel body and the filtering membrane do not need to be disassembled, the use and the maintenance are convenient, and the clinical effect is achieved.

Description

Perfusion apparatus

Technical Field

The utility model relates to the technical field of nasal feeding liquid infusion, in particular to a perfusion apparatus for nasal feeding liquid.

Background

Nasal feeding is a technique in which a gastric tube is inserted into the stomach from the nasal cavity, and food, moisture, and medicine are infused from the tube to maintain the patient's nutritional therapy. Generally applicable to the patients who can not eat food through the mouth, such as oral diseases, oral surgery, esophageal stenosis, esophageal-tracheal fistula, certain postoperative patients or tumor patients; patients who cannot open their mouths, such as coma, tetanus, premature babies and critically ill patients, and patients who refuse to eat food. The final purpose is to ensure the nutrition and the rehabilitation requirement of the patients who can not take food through the mouth by the liquid food, water and the medicine infused from the stomach tube.

Most of the existing nasal feeding liquid infusion devices (or called perfusion devices or feeding devices) have no filtering function, and the filtering of the nasal feeding liquid is mainly carried out by other auxiliary devices in medical science, such as a filtering bottle disclosed in the publication No. CN 209679068U. Although some prior arts also disclose a perfusion apparatus with a filtering function, such as the food injector with a temperature detecting function disclosed in the utility model with the publication number CN210932823U, the cleaning of the filter screen is inconvenient, the filter screen is easily blocked by residues, and the disassembly of the filter screen after the filter screen is blocked is inconvenient.

Disclosure of Invention

In view of the deficiencies of the prior art, it is an object of the present invention to attempt to provide a syringe that is simple in construction and convenient to use and maintain at a later time.

In order to achieve the purpose, the technical scheme adopted by the utility model is as follows:

the perfusion apparatus comprises: the front end of the pushing barrel is provided with a first joint;

the side surface of the pushing cylinder is provided with a second joint which is communicated with the inner cavity of the pushing cylinder;

and a filtering device is arranged in the pushing barrel in a region between the first joint and the second joint, and the filtering device at least comprises a filtering membrane.

The working principle of the perfusion apparatus is as follows: the nasal feeding liquid can be sucked into the pushing cylinder through the first connector and the filter membrane, and the second connector is plugged by the plug during suction. After nasal feed liquid is sucked in the propelling movement section of thick bamboo, plug first joint with the stopper, pull out the stopper of second joint department, at this moment, the second connects and is the open mode, and nasal feed liquid in the propelling movement section of thick bamboo is through the second joint by the propelling movement to the stomach tube, and whole in-process, residue and large granule thing in the nasal feed liquid are blockked outside filtration membrane, have reduced the risk of gastrointestinal tube jam.

In addition, the utility model can easily clean out residues and large particles. When the filter membrane cleaning device is used for cleaning, warm water is pumped through the second joint, when the warm water is pumped into the pushing cylinder, the second joint is plugged by the plug, the plug at the first joint is opened again, and residues outside the filter membrane can be washed out by the pushing and pushing rod.

Therefore, the medical water tap has a simple structure, residues can be easily washed out through warm water by adaptively closing or opening the first joint and the second joint, the cleaning is simple, the maintenance process is simplified, and the clinical use effect is good.

In an optional embodiment disclosed herein, the filtration apparatus further comprises a screen frame;

the filter screen frame is provided with a plurality of filter holes;

the filter screen frame is arranged on the upper side and the lower side of the filter membrane and used for fixing the filter membrane.

In an optional embodiment of the present disclosure, the pusher cartridge comprises:

an upper cylinder and a lower cylinder;

the upper cylinder body and the lower cylinder body are screwed together through threads;

the second joint is arranged in the vicinity area of the upper barrel body close to the lower barrel body;

the filtering device is arranged inside the lower cylinder body.

In an alternative embodiment disclosed herein, the lower barrel interior has an annular extension extending toward its center;

the annular extension body is provided with a central hole which penetrates through the upper end surface and the lower end surface of the annular extension body at the middle part;

the filter device is arranged in the central hole.

In an alternative embodiment of the present disclosure, the central bore is a stepped bore; the filter screen frame and the filter membrane are clamped in the step holes.

In an alternative embodiment of the present disclosure,

the filter device also comprises a gland, and the center of the gland is provided with a gland hole;

the gland is pressed on the filter screen frame on the uppermost layer.

In an optional embodiment disclosed in the present application, the gland has a first groove extending downward from an upper surface of the gland and a second groove extending from the first groove to an outer side of the gland;

wherein,

the first tank body is communicated with the second tank body;

the first groove body is communicated with the gland hole;

the second groove body is not directly communicated with the upper surface of the gland.

In an optional embodiment of the present disclosure, the outer surface of the pusher barrel is further provided with a patch thermometer.

In an optional embodiment of the disclosure, a thermometer placing groove is formed in the outer surface of the pushing barrel, and the patch type thermometer is accommodated in the thermometer placing groove and is covered and fixed through a groove cover.

Compared with the prior art, the utility model has the beneficial effects that:

the pushing device is internally provided with the filtering membrane, so that food residues or residues which are not dissolved in tablets can be filtered through the filtering membrane, and the risk of blockage of gastrointestinal tubes is reduced. In addition, through the second joint that adds, can be nimble close or open first, the second joint with the help of stopper adaptability, can wash away the residue with warm water. The use and maintenance are convenient.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

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

FIG. 2 is a schematic structural view of the lower cylinder according to the present invention;

fig. 3 is a schematic cross-sectional structure of fig. 2.

Detailed Description

Embodiments of the present invention will be described in detail below with reference to the accompanying drawings.

As shown in fig. 1, fig. 1 is a schematic structural diagram of an appearance of a syringe provided in the present application.

The general structure of the syringe generally comprises: the front end of the pushing barrel 1 is provided with a first connector 3 used for being connected with a container containing liquid food or medicine. The pushing cylinder 1 is internally provided with a pushing rod 2 used for pushing fluid food or medicine into the stomach tube.

The first improvement of the application on the basis of the general structure is that a second joint 5 is additionally arranged at the side end of the pushing cylinder 1, and the second joint 5 is communicated with the inner cavity of the pushing cylinder 1; a second improvement consists in that in the pusher 1, in the region between the first connector 3 and the second connector 5, there is provided a filtering device comprising at least one filtering membrane 8.

Can block the residue outside filter membrane through above-mentioned filter membrane, effectively reduced the risk of gastrointestinal tube jam, in addition, the adaptability of accessible first, second structure is opened or is closed, utilizes warm water can wash away the residue outside the filter membrane.

In another embodiment disclosed herein, the filtering apparatus further comprises:

a screen frame 72;

the strainer tray 72 has a plurality of strainer holes;

the filter frame 72 is provided at the upper and lower sides of the filter membrane 8 for fixing the filter membrane 8.

In this embodiment, the main function of the filter frame 72 is to fix the filter membrane 8, and the filter membrane 8 is fixed by the filter frame 72 and then connected to the inner wall of the pushing barrel 1. The general material of filtration membrane 8 is soft usually, and in the repeated suction process of irrigator, filtration membrane 8 is easy lax to warp, leads to filtering capability to descend even tear inefficacy, in order to avoid above-mentioned problem, this application has set up filter screen frame 72 at the upper side part and the downside part of filtration membrane 8, can effectively avoid above-mentioned problem like this.

In further embodiments disclosed herein, the push cartridge 1 may comprise:

an upper cylinder 6 and a lower cylinder 7;

the upper cylinder body 6 and the lower cylinder body 7 are screwed together through threads;

the second joint 5 is arranged in the vicinity of the upper cylinder 6 adjacent to the lower cylinder 7;

the filtering device is arranged inside the lower cylinder 7.

Specifically, referring to fig. 1 to 3, the lower end portion of the upper cylinder 6 has an extended male screw body (not shown), the upper end of the lower cylinder 7 has a female screw body 71, and the upper cylinder 6 and the lower cylinder 7 are rotatably coupled together or disassembled by the engagement of the male screw body and the female screw body 71.

In this embodiment, the filtering membrane 8 can be washed by warm water, but in some cases, the washing effect may be poor, and at this time, the upper cylinder 6 and the lower cylinder 7 are detached, and the filtering membrane is cleaned after the filtering device is detached alone, so that the service life of the filtering membrane can be prolonged to the maximum.

Further, in the present application, a specific fixing structure is provided in another embodiment in order to conveniently fix the filtering device. With reference to figure 3 of the drawings,

the lower cylinder 7 has an annular extension 70 extending toward the center thereof;

the annular extension body 70 is provided with a central hole 700 which penetrates through the upper end surface and the lower end surface of the annular extension body 70 at the middle part;

the filter device is disposed within the central bore 700.

Further, the central hole 700 is a stepped hole;

the filter screen frame 72 and the filter membrane 8 are clamped in the stepped holes.

In another embodiment, the filter device further comprises a pressing cover 73, wherein the pressing cover 73 is provided with a pressing cover hole 730 at the center;

the gland 73 is pressed against the uppermost screen frame 72.

The gland 73 is provided with a first groove body 731 extending downwards from the upper surface of the gland 73 and a second groove body 732 extending towards the outer side direction of the gland 73 from the first groove body 731;

wherein,

the first tank 731 is communicated with the second tank 732;

the first groove 731 is communicated with the gland hole 730;

the second groove 732 is not directly communicated with the upper surface of the cover 73.

In this embodiment, the first and

second slots

731, 732 are arranged to allow the pressing cover 73 to be easily removed by a tool such as a spring clip, thereby facilitating cleaning of the filtering membrane 8.

In another disclosed embodiment, the outer surface of the pushing cylinder 1 is further provided with a patch thermometer 41. Specifically, a thermometer placing groove 40 is formed in the outer surface of the pushing barrel 1, and the patch type thermometer 41 is accommodated in the thermometer placing groove 40 and is covered and fixed by a groove cover 42.

The temperature and temperature measuring method of the nasal feeding liquid of the patient have clear requirements in the teaching materials of basic nursing science. However in clinical work, traditional nasal feeding liquid temperature measurement mode is loaded down with trivial details, and is inefficient, and most nurses only rely on the body of holding the feeder to feel and carry out the temperature and judge, and based on above-mentioned reason, this application still is provided with SMD thermometer 41 at the surface of this push feed cylinder 1, can be convenient for like this nurse perception nasal feeding liquid's temperature.

In conclusion, the perfusion apparatus disclosed by the utility model can conveniently clean the filtering membrane 8, reduce the later maintenance cost and prolong the service life of the perfusion apparatus to a certain extent.

In the foregoing, only certain exemplary embodiments have been described briefly. As those skilled in the art will recognize, the described embodiments may be modified in various different ways, all without departing from the spirit or scope of the present invention. Accordingly, the drawings and description are to be regarded as illustrative in nature, and not as restrictive.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc., indicate an orientation or positional relationship based on that shown in the drawings, or the orientation or positional relationship conventionally used in the use of the products of the present invention, or the orientation or positional relationship conventionally understood by those skilled in the art, are merely for convenience and simplicity of description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

The terms "mounted," "connected," "fixed," and the like are to be construed broadly and may, for example, be fixedly connected or detachably connected or integrated; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

The above disclosure provides many different embodiments, or examples, for implementing different features of the utility model. The components and arrangements of the specific examples are described above to simplify the present disclosure. Of course, they are merely examples and are not intended to limit the present invention.

Claims

1. A syringe, comprising:

the device comprises a pushing barrel (1), wherein the front end of the pushing barrel (1) is provided with a first joint (3);

the method is characterized in that:

the side surface of the pushing cylinder (1) is provided with a second joint (5), and the second joint (5) is communicated with the inner cavity of the pushing cylinder (1);

and a filtering device is arranged in the pushing cylinder (1) in the area between the first joint (3) and the second joint (5), and the filtering device at least comprises a filtering membrane (8).

2. The syringe of claim 1, wherein:

the filter device further comprises a screen frame (72), the screen frame (72) having a plurality of screen holes;

the filter net rack (72) is respectively arranged on the upper side and the lower side of the filter membrane (8) and used for fixing the filter membrane (8).

3. The syringe according to claim 2, characterized in that the push cartridge (1) comprises:

an upper cylinder (6) and a lower cylinder (7);

the upper cylinder body (6) and the lower cylinder body (7) are screwed together through threads;

the second joint (5) is arranged in the vicinity of the upper cylinder (6) close to the lower cylinder (7);

the filtering device is arranged inside the lower cylinder (7).

4. The syringe of claim 3, wherein:

the lower cylinder (7) is internally provided with an annular extension body (70) extending towards the center of the lower cylinder;

the annular extension body (70) is provided with a central hole (700) which penetrates through the upper end surface and the lower end surface of the annular extension body (70) at the middle part;

the filter device is disposed within the central bore (700).

5. The syringe of claim 4, wherein:

the central hole (700) is a stepped hole;

the filter screen frame (72) and the filter membrane (8) are clamped in the stepped holes.

6. The syringe of claim 5, wherein:

the filter device also comprises a gland (73), and the center of the gland (73) is provided with a gland hole (730);

the gland (73) is pressed on the filter screen frame (72) at the uppermost layer.

7. The syringe of claim 6, wherein:

the gland (73) is provided with a first groove body (731) extending downwards from the upper surface of the gland (73) and a second groove body (732) extending towards the outer side direction of the gland (73) from the first groove body (731); wherein,

the first groove body (731) is communicated with the second groove body (732);

the first groove body (731) is communicated with the gland hole (730);

the second groove (732) is not directly communicated with the upper surface of the gland (73).

8. The syringe as claimed in any one of claims 1 to 7, wherein the outer surface of the pushing barrel (1) is further provided with a patch thermometer (41).

9. The syringe as claimed in claim 8, wherein the outer surface of the pushing barrel (1) is provided with a thermometer placing groove (40), and the patch type thermometer (41) is accommodated in the thermometer placing groove (40) and is covered and fixed by a groove cover (42).