CN216703100U - Transfusion leather tube head with filtering structure - Google Patents

Abstract

The utility model discloses an infusion leather tube head with a filtering structure, which comprises a puncture head, wherein the top end of the puncture head is provided with a circulation hole, a filtering mechanism is arranged inside the circulation hole, the outer wall of the circulation hole is provided with a liquid seepage mechanism, the filtering mechanism consists of a filtering net and a plurality of filtering holes, the filtering net is arranged on the inner wall of the circulation hole, the plurality of filtering holes are all arranged at the top end of the filtering net, the plurality of filtering holes are all distributed, the filtering holes are holes with the diameter of 1 mu m, the liquid seepage mechanism comprises a plurality of liquid seepage holes, the plurality of liquid seepage holes are all arranged on the outer wall of the puncture head, the plurality of liquid seepage holes are all distributed, and the liquid seepage holes are holes with the diameter of 1 mu m. According to the utility model, by utilizing the arrangement of the filter screen and the plurality of filter holes, particles can be effectively prevented from passing through the filter screen through the filter holes with the diameter of 1 micrometer, and the particles are prevented from passing through the puncture head while the liquid medicine passes through the puncture head, so that the particles in the liquid medicine are prevented from entering a human body, adverse effects caused by the particles entering the human body are avoided, and the safety of intravenous infusion is improved.

Description

Transfusion leather tube head with filtering structure

Technical Field

The utility model relates to the field of clinical transfusion, in particular to a transfusion leather tube head with a filtering structure.

Background

Intravenous infusion is an important means for treating and rescuing patients in hospitals, stable, accurate, fast and good injection of therapeutic drugs into patients is an important content of nursing work, nursing staff must pay attention to the harm of particles, strengthen aseptic concept, and prevent and eliminate particle pollution strictly according to operation procedures to ensure infusion safety, the particles refer to foreign, insoluble, micro-particle impurities with the diameter of below 50 mu m and can not be observed by naked eyes, microorganisms are also particle substances and have a source of particles with special pathogenic effect, the infusion particle pollution refers to non-metabolic particle impurities contained in infusion liquid in the infusion process, the diameter of the infusion particle impurities is generally 1-15 mu m, the large diameter can reach 50-300 mu m, and the infusion liquid can cause serious harm to human bodies when entering human bodies.

The transfusion leather tube head is a bottle stopper puncture head, when the bottle stopper puncture head punctures a rubber plug, the liquid medicine in the bottle can flow out through the puncture head, but the liquid medicine contains various particles, including smoke dust particles in the air, glass particles generated by cutting the ampoule, rubber particles generated by puncturing the rubber plug, cotton fiber particles falling from a filter medium, plastic particles existing in an infusion device, fat suppository particles with incomplete fat emulsification, carbon particles generated in the medicine production process and particles such as medicine crystals generated in the liquid medicine due to environmental changes, and the particles can cause the following if directly input into a human body: 1. causing local tissue embolism and necrosis, 2, causing phlebitis, 3, causing granuloma, 4, causing thrombocytopenia and drug anaphylaxis, 5, causing tumor formation and tumor-like reaction, 6, pyrogen-like reaction and other adverse consequences, and reducing the safety of intravenous infusion.

Disclosure of Invention

The utility model aims to provide an infusion cannula head with a filtering structure so as to solve the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides an infusion skin tube head with filtration, includes the puncture head, the opening has been seted up on the top of puncture head, the inside of opening is provided with filtering mechanism, the sepage mechanism has been seted up to the outer wall of opening, filtering mechanism comprises filter screen and a plurality of filtration pore, the filter screen sets up in the inner wall of opening, and is a plurality of the top of filter screen is all seted up in the filtration pore, and is a plurality of the filtration pore is and spreads over the setting, the filtration pore is diameter 1 mu m's hole.

Preferably, the liquid permeating mechanism comprises a plurality of liquid permeating holes, the liquid permeating holes are all formed in the outer wall of the puncture head, the liquid permeating holes are distributed all over, the liquid permeating holes are all communicated with the circulation holes, and the liquid permeating holes are holes with the diameter of 1 micrometer.

Preferably, the top end of the puncture head is provided with a chamfer.

Preferably, the outer wall of the puncture head is fixedly sleeved with a limiting ring, the forehead outer wall of the puncture head is fixedly sleeved with a support ring, and the bottom end of the limiting ring is fixedly connected with the top end of the support ring.

Preferably, the outer wall of the abutting ring is fixedly connected with two abutting plates, and the two abutting plates are symmetrically arranged.

Preferably, two arc chamfers are arranged on the opposite sides of the two abutting plates and are symmetrically arranged.

Preferably, the outer wall of the puncture head is provided with a plurality of anti-skid convex strips between the limiting ring and the liquid seepage hole, and the cross section of each anti-skid convex strip is semicircular.

Preferably, the puncture head is 304 stainless steel.

The utility model has the technical effects and advantages that:

(1) according to the utility model, by utilizing the arrangement of the filter screen and the plurality of filter holes, particles can be effectively prevented from passing through the filter screen through the filter holes with the diameter of 1 micrometer, and the particles are prevented from passing through the puncture head while the liquid medicine passes through the puncture head, so that the particles in the liquid medicine are prevented from entering a human body, adverse effects caused by the particles entering the human body are avoided, and the safety of intravenous infusion is improved;

(2) according to the utility model, by arranging the plurality of weep holes and arranging the weep holes on the outer wall of the puncture head, after the puncture head is inserted into an infusion bottle, the liquid medicine below the top end of the puncture head can flow into the through hole through the weep holes to be discharged out of the infusion bottle, so that the liquid medicine is prevented from remaining in the infusion bottle to cause waste;

(3) according to the utility model, the arrangement of the plurality of anti-slip convex strips is utilized, after the puncture head is inserted into the rubber plug, when the limiting ring abuts against the rubber plug, the anti-slip convex strips are contacted with the inner wall of the rubber plug, so that the friction force between the puncture head and the rubber plug is increased, the puncture head is not easy to fall off, and the use stability of the puncture head is improved.

Drawings

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

FIG. 2 is a front sectional structural view of the present invention.

Fig. 3 is a schematic view of the enlarged structure at a of fig. 2 according to the present invention.

Fig. 4 is a schematic view of the enlarged structure at the position B of fig. 2 according to the present invention.

In the figure: 1. a puncture head; 2. a flow-through hole; 3. a filter screen; 4. a filtration pore; 5. a weep hole; 6. a chamfer plane; 7. a limiting ring; 8. a support ring; 9. a resisting plate; 10. chamfering with an arc; 11. anti-slip convex strips.

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.

The utility model provides an infusion leather tube head with a filtering structure as shown in figures 1-4, which comprises a puncture head 1, wherein the top end of the puncture head 1 is provided with a circulation hole 2, the inside of the circulation hole 2 is provided with a filtering mechanism, the outer wall of the circulation hole 2 is provided with a liquid seepage mechanism, the filtering mechanism consists of a filtering net 3 and a plurality of filtering holes 4, the filtering net 3 is arranged on the inner wall of the circulation hole 2, the filtering holes 4 are all arranged at the top end of the filtering net 3, the filtering holes 4 are holes with the diameter of 1 mu m, and when a liquid medicine passes through the filtering holes 4, the filtering holes 4 can filter out particles in the liquid medicine, so that the liquid medicine passing through the filtering holes 4 does not contain particles, and adverse reactions caused by the contact of the particles and a human body are avoided;

the liquid seepage mechanism comprises a plurality of liquid seepage holes 5, the plurality of liquid seepage holes 5 are all arranged on the outer wall of the puncture head 1, the plurality of liquid seepage holes 5 are distributed all over, the plurality of liquid seepage holes 5 are all communicated with the circulation hole 2, the liquid seepage holes 5 are holes with the diameter of 1 micrometer, particles in the liquid medicine entering the circulation hole 2 through the liquid seepage holes 5 are also filtered by the liquid seepage holes 5 with the diameter of 1 micrometer, so that the liquid medicine entering the circulation hole 2 through the liquid seepage holes 5 does not contain particles, and meanwhile when the liquid level of the liquid medicine in the infusion bottle is lower than the top opening of the circulation hole 2, the rest liquid medicine can completely flow into the circulation hole 2 through the liquid seepage holes 5 and is discharged, so that when some medicines are infused, the medicines in the valuable medicine bottle can be completely infused, and the waste phenomenon is avoided;

the top end of the puncture head 1 is provided with a bevel cut 6, and the top end of the puncture head 1 is a tip end through the bevel cut 6, so that the puncture head 1 can conveniently puncture a rubber plug and insert the rubber plug into an infusion bottle;

the outer wall of the puncture head 1 is fixedly sleeved with a limiting ring 7, the additional wall of the puncture head 1 is fixedly sleeved with a resisting ring 8, the bottom end of the limiting ring 7 is fixedly connected with the top end of the resisting ring 8, and the puncture head 1 is completely inserted into an infusion bottle when the limiting ring 7 is propped against the bottom end of the rubber plug;

the outer wall of the retaining ring 8 is fixedly connected with two retaining plates 9, the two retaining plates 9 are symmetrically arranged, the retaining plates 9 are convenient for penetrating the puncture head 1 through the rubber plug and entering the infusion bottle, the opposite sides of the two retaining plates 9 are respectively provided with an arc chamfer 10, the two arc chamfers 10 are symmetrically arranged, and the arc chamfers 10 enable the retaining ring 8 not to press against the hands of an operator;

the anti-skid convex strips 11 are arranged on the outer wall of the puncture head 1 and between the limiting ring 7 and the liquid seepage holes 5, the cross sections of the anti-skid convex strips 11 are semicircular, the anti-skid convex strips 11 with the semicircular cross sections do not influence the complete insertion of the puncture head 1 into the rubber plug, after the puncture head 1 is completely inserted into the rubber plug, the anti-skid convex strips 11 can be contacted with the inner wall of the rubber plug, the friction force between the puncture head 1 and the rubber plug is increased, the puncture head 1 is not easy to fall from the rubber plug, and the use stability of the puncture head is improved;

the puncture tip 1 is 304 stainless steel, and the puncture tip 1 made of 304 stainless steel is not easily deformed when a rubber stopper is inserted.

The working principle of the utility model is as follows:

when intravenous transfusion is carried out, the two abutting plates 9 are abutted by hands, the top end of the puncture head 1 is aligned to the bottom end of the rubber plug, the puncture head 1 is inserted into the rubber plug through the inclined plane 6 and enters the interior of the transfusion bottle until the limiting ring 7 abuts against the bottom of the rubber plug, namely, the whole puncture head 1 is completely inserted, after the liquid medicine in the transfusion bottle flows into the circulation hole 2 along with the top end of the circulation hole 2, when the liquid medicine passes through the filter screen 3, particles in the liquid medicine are filtered by the filter holes 4 with the diameter of 1 mu m, so that the liquid medicine passing through the filter screen 3 does not contain particles, meanwhile, the liquid medicine flows into the circulation hole 2 through the liquid seepage holes 5 on the outer wall of the puncture head 1, because the circulation hole 2 is a hole with the diameter of 1 mu m, the particles in the liquid medicine cannot flow into the circulation hole 5, so that the liquid medicine discharged from the circulation hole 2 does not contain particles, when the liquid level of the liquid medicine in the transfusion bottle is lower than the top end of the puncture head, the liquid medicine in the infusion bottle can not enter the circulation hole 2 through the top opening of the circulation hole 2, and the liquid medicine can only enter the circulation hole 2 through the liquid seepage hole 5, so that the liquid medicine in the infusion bottle can be completely discharged through the liquid seepage hole 5, and waste is avoided.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the utility model.

Claims (8)

1. The utility model provides an infusion leather tube head with filtration, includes puncture (1), its characterized in that, opening (2) have been seted up on the top of puncture (1), the inside of opening (2) is provided with filtering mechanism, weeping mechanism has been seted up to the outer wall of opening (2), filtering mechanism comprises filter screen (3) and a plurality of filtration pore (4), filter screen (3) set up in the inner wall of opening (2), and are a plurality of the top of filter screen (3) is all seted up in filtration pore (4), and is a plurality of filtration pore (4) are to be spread all over the setting, filtration pore (4) are the hole of diameter 1 mu m.

2. The transfusion bellows head with the filtering structure according to claim 1, wherein the weep mechanism comprises a plurality of weep holes (5), the weep holes (5) are all opened on the outer wall of the puncture head (1), the weep holes (5) are all arranged, the weep holes (5) are all communicated with the flow holes (2), and the weep holes (5) have a diameter of 1 μm.

3. The infusion cannula head with the filtering structure is characterized in that the top end of the puncture head (1) is provided with a chamfer (6).

4. The infusion tubing head with the filtering structure according to claim 1, wherein a limiting ring (7) is fixedly sleeved on the outer wall of the puncture head (1), a retaining ring (8) is fixedly sleeved on the additional wall of the puncture head (1), and the bottom end of the limiting ring (7) is fixedly connected with the top end of the retaining ring (8).

5. The infusion cannula head with the filtering structure as claimed in claim 4, wherein two abutting plates (9) are fixedly connected to the outer wall of the abutting ring (8), and the two abutting plates (9) are symmetrically arranged.

6. The infusion tubing head with the filtering structure as claimed in claim 5, wherein the two abutting plates (9) are provided with arc chamfers (10) at opposite sides, and the two arc chamfers (10) are symmetrically arranged.

7. The infusion cannula head with the filtering structure as claimed in claim 1, wherein a plurality of anti-slip ribs (11) are arranged on the outer wall of the puncture head (1) and between the limiting ring (7) and the liquid seepage hole (5), and the cross section of each anti-slip rib (11) is semicircular.

8. An infusion catheter head with a filter structure according to claim 1, characterized in that the piercing head (1) is 304 stainless steel.

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