CN214970336U

CN214970336U - Automatic stop type blood return prevention precise filtering infusion apparatus

Info

Publication number: CN214970336U
Application number: CN202022835868.7U
Authority: CN
Inventors: 廖先强; 何冰冰
Original assignee: Hubei Chutian Medical Devices Co ltd
Current assignee: Hubei Chutian Medical Devices Co ltd
Priority date: 2020-12-01
Filing date: 2020-12-01
Publication date: 2021-12-03
Anticipated expiration: 2030-12-01

Abstract

The utility model relates to the technical field of infusion apparatus, in particular to a self-stop blood return prevention precise filtration infusion apparatus, which comprises an infusion tube, wherein the upper end of the infusion tube is fixedly connected with a drip cup, the upper end of the drip cup is provided with a bottle stopper puncture outfit, the infusion tube comprises a tube body, the surface of the tube body is provided with a speed regulator near the middle position, the surface of the speed regulator is provided with a speed regulation ring, the interior of the tube body is provided with a plurality of flow limiting rings, one end of the infusion tube is provided with an injection needle, the injection needle comprises an injection needle tube and an injection needle head, the drip cup comprises a bottle body, the bottle stopper puncture outfit comprises a puncture tube, the puncture tube comprises a puncture tube body, the structure design of the utility model can effectively filter impurities in the liquid medicine through an active carbon adsorption net and a nanometer adsorption net, avoid the impurities from entering into the body of a patient to cause infection, and simultaneously, the plurality of adsorption nets and the speed reduction ring arranged in the infusion tube can automatically stop the liquid medicine when the infusion is finished, avoid air entering the patient and causing injury.

Description

Automatic stop type blood return prevention precise filtering infusion apparatus

Technical Field

The utility model relates to a transfusion system technical field, specifically speaking relates to a blood microfiltration transfusion system is prevented returning by self-stop formula.

Background

The transfusion system is a common medical apparatus, establishes a channel between a vein and liquid medicine after aseptic treatment, is used for venous transfusion, and generally consists of eight parts, namely a vein needle or an injection needle, a needle head protective cap, a transfusion hose, a liquid medicine filter, a flow rate regulator, a drip cup, a bottle stopper puncture outfit, an air filter and the like, which are connected.

The traditional infusion apparatus is made of PVC material, and can cause hidden trouble along with a small amount of impurities entering the human body when in infusion, and when the liquid medicine is infused completely, if the injection needle is not pulled out, air can be brought into the human body.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a blood microfiltration transfusion system is prevented back to from the stop to solve the problem that proposes in the above-mentioned background art, in view of this, we propose a blood microfiltration transfusion system is prevented back to from the stop.

In order to realize the above-mentioned purpose, the utility model provides a blood microfiltration transfusion system is prevented back to self-stop formula, including the transfer line, the upper end fixedly connected with of transfer line drips the kettle, the upper end of dripping the kettle is equipped with the bottle plug puncture ware, the transfer line includes the body, the surface of body is close to the position in the middle of and is equipped with the speed regulator, the surface of speed regulator is equipped with the speed governing ring, the inside of body is equipped with a plurality of current-limiting rings, the one end of transfer line is equipped with the syringe needle, the syringe needle includes injection needle pipe and injection syringe needle, drip the kettle and include the kettle body, the bottom of the kettle body is equipped with the impurity filter screen, the bottle plug puncture ware includes the puncture pipe.

As a further improvement of the technical scheme, one end of the injection needle tube is provided with a nano adsorption net.

As a further improvement of the technical proposal, a conical tube with a small hole at the bottom is arranged inside the injection needle tube.

As a further improvement of the technical scheme, a protective sleeve is arranged outside the injection needle tube.

As a further improvement of the technical proposal, the inner wall of the kettle body is fixedly connected with an impurity adsorption net.

As a further improvement of the technical scheme, an exhaust pipe is arranged on the surface of the kettle body close to the upper end, a sealing cover is arranged at one end of the exhaust pipe, and the sealing cover is in clamping fit with the exhaust pipe.

As a further improvement of the technical scheme, an activated carbon adsorption ring is arranged inside the puncture tube, the activated carbon adsorption ring 320 comprises an adsorption ring body, and medical activated carbon covers the surface of the adsorption ring body.

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

in this automatic stop type blood return prevention precision filtration transfusion system, the impurity in the liquid medicine can be effectively filtered through the active carbon adsorption net and the nanometer adsorption net that set up, avoids impurity to get into and causes the infection in the patient, simultaneously, a plurality of adsorption nets and establish the speed reduction ring in the transfusion tube and make the liquid medicine can the automatic shutdown when defeated, avoid the air to get into and cause the injury in the patient.

Drawings

FIG. 1 is a schematic view of the entire structure of embodiment 1;

FIG. 2 is a schematic view showing the structure of the infusion tube in example 1;

FIG. 3 is a schematic view showing the structure of an injection needle according to embodiment 1;

FIG. 4 is a schematic view of the drip cup of embodiment 1;

fig. 5 is a schematic structural view of the stopper puncture device of embodiment 1;

fig. 6 is a schematic view of the structure of the activated carbon adsorption net of example 1.

The various reference numbers in the figures mean:

100. a transfusion tube;

110. a pipe body; 120. a speed regulator; 121. a speed regulating ring; 130. a flow-limiting ring;

140. an injection needle; 141. injecting a needle tube; 142. a nano-adsorbent web; 143. a tapered tube; 144. an injection needle;

150. a protective sleeve;

200. a drip cup;

210. a kettle body; 220. an impurity adsorption net; 230. an impurity filter screen; 240. an exhaust pipe; 241. a sealing cover;

300. a bottle stopper puncture outfit;

310. a puncture tube; 320. an activated carbon adsorption ring; 321. an adsorption ring body; 322. medical active carbon.

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.

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", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Example 1

Referring to fig. 1 to 6, the present embodiment provides an automatic stop blood return prevention precise filtration infusion apparatus, including an infusion tube 100, a liquid medicine enters the infusion tube 100 from an infusion bottle, a drip cup 200 is fixedly connected to an upper end of the infusion tube 100, controls a flow rate of the liquid medicine, and purifies the liquid medicine, a bottle stopper puncture outfit 300 is arranged at an upper end of the drip cup 200, and is used for penetrating the infusion bottle and introducing the liquid medicine into the infusion tube 100, the infusion tube 100 includes a tube body 110, a speed regulator 120 is arranged on a surface of the tube body 110 near a middle position, and is used for regulating the flow rate of the liquid medicine, a speed regulating ring 121 is arranged on a surface of the speed regulator 120, a plurality of flow limiting rings 130 are arranged inside the tube body 110, and further reduces the speed of the liquid medicine, when the liquid medicine is completely infused, the liquid medicine stops being delivered due to a fine through hole arranged in the middle of the flow limiting ring 130, an injection needle 140 is arranged at one end of the tube body 110, the injection needle includes an injection needle tube 141 and an injection needle 144, the drip cup 200 comprises a cup body 210, a foreign matter filter screen 230 is arranged at the bottom of the cup body 210 for filtering foreign matters in the liquid medicine, and the bottle stopper puncture outfit 300 comprises a puncture tube 310.

In this embodiment, a nano-adsorption net 142 is disposed at one end of the injection needle tube 141 to adsorb impurities with small volume in the liquid medicine, so as to prevent the impurities from entering the blood of the human body and damaging the immune system of the human body.

Further, a tapered tube 143 having a small hole at the bottom is provided inside the injection needle tube 141 to prevent the backflow of blood when the patient moves his arm.

Further, a protective cover 150 is disposed outside the needle tube 141 to isolate the needle 140 from the outside, so that the needle is not contaminated.

Further, an impurity adsorbing net 220 is fixedly connected to an inner wall of the pot body 210 to adsorb impurities in the liquid medicine.

Specifically, an exhaust pipe 240 is arranged on the surface of the kettle body 210 near the upper end, a sealing cover 241 is arranged at one end of the exhaust pipe 240, the sealing cover 241 is in clamping fit with the exhaust pipe 240, and if air exists in the drip cup 200, the sealing cover 241 is opened, so that the air is exhausted along the exhaust pipe 240, and the air is prevented from entering the human body to cause injury.

In addition, the inside of puncture pipe 310 is equipped with active carbon adsorption ring 320, adsorbs the fine impurity in the liquid medicine, carries out deeper purification to the liquid medicine, active carbon adsorption ring 320 is including adsorbing the ring body 321, the surface of adsorbing the ring body 321 covers there is medical active carbon 322, and medical active carbon 322 is harmless to the human body.

The utility model discloses when using, pierce through the infusion bottle with bottle plug puncture ware 300 earlier, prick into patient's vein with syringe needle 141 again, the liquid medicine begins the downward flow, when the active carbon adsorption ring 320, part impurity in the liquid medicine is adsorbed, the liquid medicine continues to flow and gets into drip cup 200, impurity adsorption net 220 on the drip cup 200 inner wall adsorbs the impurity in the liquid medicine, impurity filter screen 230 filters some bulky impurities, the liquid medicine flows into transfer line 100 along drip cup 200, nanometer adsorption net 142 adsorbs fine impurity in with the liquid medicine, the liquid medicine of getting rid of impurity gets into the human body, when the liquid medicine is defeated to the end, speed governing ring 121 speed falls to minimum and restrictor ring 130 cooperation, make the liquid medicine stop flowing.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only preferred examples of the present invention, and is not intended to limit the present invention, and that the present invention can have various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall into the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a stop-and-go blood return prevention secondary filter transfusion system, includes transfer line (100), its characterized in that: the upper end fixedly connected with of transfer line (100) drips kettle (200), the upper end of dripping kettle (200) is equipped with bottle plug puncture ware (300), transfer line (100) are including body (110), the surface of body (110) is close to middle position and is equipped with speed regulator (120), the surface of speed regulator (120) is equipped with speed governing ring (121), the inside of body (110) is equipped with a plurality of current-limiting rings (130), the one end of body (110) is equipped with syringe needle (140), the syringe needle includes injection needle tube (141) and injection needle (144), drip kettle (200) are including the kettle body (210), the bottom of the kettle body (210) is equipped with impurity filter screen (230), bottle plug puncture ware (300) are including puncture pipe (310).

2. The self-stop blood return prevention precision filtration infusion set according to claim 1, characterized in that: one end of the injection needle tube (141) is provided with a nanometer adsorption net (142).

3. The self-stop blood return prevention precision filtration infusion set according to claim 1, characterized in that: the injection needle tube (141) is internally provided with a conical tube (143) with a small hole at the bottom.

4. The self-stop blood return prevention precision filtration infusion set according to claim 1, characterized in that: the outside of the injection needle tube (141) is provided with a protective sleeve (150).

5. The self-stop blood return prevention precision filtration infusion set according to claim 1, characterized in that: the inner wall of the kettle body (210) is fixedly connected with an impurity adsorption net (220).

6. The self-stop blood return prevention precision filtration infusion set according to claim 1, characterized in that: an exhaust pipe (240) is arranged on the surface of the kettle body (210) close to the upper end, a sealing cover (241) is arranged at one end of the exhaust pipe (240), and the sealing cover (241) is in clamping fit with the exhaust pipe (240).

7. The self-stop blood return prevention precision filtration infusion set according to claim 1, characterized in that: the puncture tube (310) is internally provided with an activated carbon adsorption ring (320), the activated carbon adsorption ring (320) comprises an adsorption ring body (321), and the surface of the adsorption ring body (321) is covered with medical activated carbon (322).