Sterilizing liquid medicine filter

Abstract

The utility model relates to the technical field of sterile medicine production, and particularly discloses a degerming-grade liquid medicine filter which comprises a pipeline assembly, two protective outer shells, a protective inner shell and two filter assemblies, the two filter assemblies are fixedly connected with the protective inner shell, the two protective outer shells are fixedly connected with the protective inner shell, and the protective outer shells are fixedly connected with the protective inner shell. The liquid medicine filtering membrane and the air filtering membrane are arranged to achieve a double-layer filtering membrane structure, the filtering area is increased, meanwhile, bubbles in liquid medicine can be discharged through the exhaust holes, the liquid medicine filtering safety and precision are guaranteed, and the design solves the problems that in the liquid medicine filtering process, air is prone to being mixed, and the filtering effect is poor. And bubbles are not easy to discharge in the filter and flow out along with the filtered liquid medicine, so that the filtering effect is influenced.

Description

TECHNICAL FIELD

[0001] The utility model relates to aseptic medicine production technical field field especially relates to a kind of sterile grade liquid medicine filter. BACKGROUND

[0002] Sterile grade liquid medicine filter is the method of physical interception to remove microorganism in liquid medicine, to ensure that the equipment of drug reaches the quality requirement of sterility, it is mainly used to prevent the impurities, harmful bacteria, microorganism etc. In air into production line, sterile room etc., cause the change of drug quality.

[0003] The existing filter generally filters liquid medicine by double-layer liquid medicine filter membrane, then discharges from liquid outlet through flow guide groove, and the filtering efficiency is high, and the flowing posture of liquid medicine can be observed through transparent shell, and liquid medicine can be collected after filtering for use.

[0004] But in the prior art described above, air is easily mixed in the liquid medicine filtering process, bubbles are not easy to discharge in the filter, and are discharged with filtered liquid medicine, which affects the filtering effect. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a kind of sterile grade liquid medicine filter, to solve the technical problem that air is easily mixed in the liquid medicine filtering process in prior art, bubbles are not easy to discharge in the filter, and are discharged with filtered liquid medicine, which affects the filtering effect.

[0006] To achieve the above-mentioned purpose, a kind of sterile grade liquid medicine filter is adopted in the utility model, including pipeline assembly, two protective shells, protective inner shell and two groups of filter assemblies, two filter assemblies are fixedly connected with the protective inner shell and are located at the inside of the two sides of the protective inner shell, two protective shells are fixedly connected with the protective inner shell and are located at the outside of the two sides of the protective inner shell, the pipeline assembly is fixedly connected with the protective inner shell and is located at the upper and lower sides of the protective inner shell.

[0007] Among them, the pipeline assembly includes inlet pipeline and outlet pipeline, the outlet pipeline is fixedly connected with the protective inner shell and is located at the lower side of the protective inner shell, and the inlet pipeline is fixedly connected with the protective inner shell and is located at the upper side of the protective inner shell.

[0008] Among them, the protective inner shell includes inner shell body and two flow guide plates, two flow guide plates are fixedly connected with the inner shell body and are located at the two sides of the inner shell body, and the inner shell body is fixedly connected with two groups of filter assemblies and is located at the inner side of two groups of filter assemblies.

[0009] Each of the filter assemblies comprises an air filter membrane and a liquid filter membrane, the liquid filter membrane is fixedly connected with the inner shell and located at one side of the inner shell, and the air filter membrane is fixedly connected with the liquid filter membrane and located at a side of the liquid filter membrane away from the inner shell.

[0010] Each of the protective shells has an air outlet.

[0011] The air filter membrane and the liquid filter membrane are attached, after liquid medicine enters the two sides of the inner shell from the inlet pipeline, the liquid medicine flows downward under the action of gravity, passes through the flow guide plate, the surface of the flow guide plate is a tree-shaped convex check pattern, the air outlet is arranged, the air outlet from the air filter membrane is discharged from the gap between the inner shell and the protective shell, and the outer two ends of the inner shell also have indicating arrows, so that medical staff can comply with correct filtering posture when filtering liquid medicine, liquid medicine is prevented from spilling from the air outlet, double-layer filtering structure is realized through the liquid filter membrane and the air filter membrane, the filtering area is increased, the protective shell and the inner shell are two different colors, the inner layer of the protective shell is transparent, the outer side is increased with a light-proof agent, and the inner shell is a non-transparent piece, and non-contact light-proof liquid medicine safe infusion can be realized. BRIEF DESCRIPTION OF DRAWINGS

[0012] In order to more clearly illustrate the technical scheme in the embodiments of the present application or the prior art, the drawings needed to be used in the embodiment or the prior art description will be briefly introduced as follows. Obviously, the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained without creative labor on the basis of these drawings.

[0013] Figure 1 It is a structure schematic view of the whole of the liquid medicine filter of the present application.

[0014] Figure 2 It is a front view of the liquid medicine filter of the present application.

[0015] Figure 3 It is a structure schematic view of the whole of the liquid medicine filter of the present application. Figure 2 A-A line section view of the present application.

[0016] Figure 4 It is a structure schematic view of the whole of the liquid medicine filter of the present application. Figure 3 B of the present application.

[0017] 1-pipeline assembly, 2-protection shell, 3-protection inner shell, 4-filter assembly, 5-inlet pipeline, 6-outlet pipeline, 7-inner shell, 8-guide plate, 9-air filter membrane, 10-liquid medicine filter membrane, 11-exhaust hole. DETAILED DESCRIPTION

[0018] Please refer to Figures 1-4 The utility model provides a kind of bacteria-removing grade liquid medicine filter, including pipeline assembly 1, two protection shells 2, protection inner shell 3 and two groups of filter assemblies 4, two described filter assemblies 4 are fixedly connected with the protection inner shell 3, and are located at the inside two sides of the protection inner shell 3 respectively, two described protection shells 2 are fixedly connected with the protection inner shell 3, and are located at the outside two sides of the protection inner shell 3, described pipeline assembly 1 is fixedly connected with the protection inner shell 3, and is located at the upper and lower sides of the protection inner shell 3.

[0019] Further, the pipeline assembly 1 includes an inlet pipeline 5 and an outlet pipeline 6, the outlet pipeline 6 is fixedly connected with the protection inner shell 3, and is located at the lower side of the protection inner shell 3, the inlet pipeline 5 is fixedly connected with the protection inner shell 3, and is located at the upper side of the protection inner shell 3.

[0020] Further, the protection inner shell 3 includes an inner shell 7 and two guide plates 8, both of the guide plates 8 are fixedly connected with the inner shell 7, and are located at both sides of the inner shell 7 respectively, the inner shell 7 is fixedly connected with two groups of the filter assemblies 4, and is located at the inner side of two groups of the filter assemblies 4.

[0021] Further, each group of the filter assemblies 4 includes an air filter membrane 9 and a liquid medicine filter membrane 10, the liquid medicine filter membrane 10 is fixedly connected with the inner shell 7, and is located at one side of the inner shell 7, the air filter membrane 9 is fixedly connected with the liquid medicine filter membrane 10, and is located at the side of the liquid medicine filter membrane 10 away from the inner shell 7, the air filter membrane 9 is in contact with the liquid medicine filter membrane 10, after the liquid medicine enters both sides of the inner shell 7 from the inlet pipeline 5, the liquid medicine flows downward under the action of gravity, passes through the guide plate 8, the surface of the guide plate 8 is tree-shaped convex check pattern, which facilitates the discharge of bubbles in the liquid medicine, both of the protection shells 2 are fixed with the inner shell 7 by ultrasonic welding, and the double welding line design ensures the connection strength, which meets the leakage standard.

[0022] Further, each of the protection shells 2 has an exhaust hole 11, the setting of the exhaust hole 11 facilitates the air discharged at the air filter membrane 9 to be discharged from the gap between the inner shell 7 and the protection shell 2, and the outer side of the inner shell 7 also has an indicating arrow at both ends, so as to facilitate medical staff to follow the correct filtering posture when filtering liquid medicine, and avoid liquid medicine from spilling from the exhaust hole 11.

[0023] In the embodiment, the air filter membrane 9 is attached to the liquid medicine filter membrane 10, after the liquid medicine enters the inner housing 7 from the inlet pipeline 5, the liquid medicine flows downward under the action of gravity, passes through the flow guide plate 8, the surface of the flow guide plate 8 is a tree-shaped convex grid, which facilitates the discharge of bubbles in the liquid medicine, the two protective shells 2 and the inner housing 7 are fixed by ultrasonic welding, the double welding line design ensures the connection strength, meets the leakage standard, the air exhaust hole 11 is arranged to facilitate the air discharged from the air filter membrane 9 to be discharged from the gap between the inner housing 7 and the protective shell 2, the inner housing 7 is provided with indicating arrows at both ends of the outer side, so that medical staff can follow the correct filtering posture when filtering liquid medicine, to avoid liquid medicine from spilling from the air exhaust hole 11, the double-layer filtering structure is realized by the liquid medicine filter membrane 10 and the air filter membrane 9, the filtering area is increased, the protective shell 2 and the inner housing 7 are two different colors to distinguish, the inner layer of the protective shell 2 is transparent, the outer side is increased with light-proof agent, the inner housing 7 is a non-transparent part, which can realize non-contact light-proof liquid medicine safe infusion.

[0024] The above only discloses a preferred embodiment of the utility model, of course, cannot limit the scope of the utility model, and those skilled in the art can understand that all or part of the above-mentioned embodiments can be implemented, and equivalent changes made according to the utility model claims still belong to the scope covered by the utility model.

Claims

1. A bacteria-removing grade liquid medicine filter characterized in that, it comprises a pipeline assembly, two protective outer shells, a protective inner shell and two sets of filter assemblies, the two filter assemblies are fixedly connected with the protective inner shell and are respectively located on the two sides of the interior of the protective inner shell, the two protective outer shells are fixedly connected with the protective inner shell and are located on the two sides of the exterior of the protective inner shell, and the pipeline assembly is fixedly connected with the protective inner shell and is located on the upper and lower sides of the protective inner shell.

2. The bacteria-removing grade liquid medicine filter according to claim 1 characterized in that, the pipeline assembly comprises an inlet pipeline and an outlet pipeline, the outlet pipeline is fixedly connected with the protective inner shell and is located on the lower side of the protective inner shell, and the inlet pipeline is fixedly connected with the protective inner shell and is located on the upper side of the protective inner shell.

3. The bacteria-removing grade liquid medicine filter according to claim 2 characterized in that, the protective inner shell comprises an inner shell body and two flow guide plates, the two flow guide plates are fixedly connected with the inner shell body and are respectively located on the two sides of the inner shell body, and the inner shell body is fixedly connected with the two sets of filter assemblies and is located on the inner side of the two sets of filter assemblies.

4. The bacteria-removing grade liquid medicine filter according to claim 3 characterized in that, each set of filter assembly comprises an air filter membrane and a liquid medicine filter membrane, the liquid medicine filter membrane is fixedly connected with the inner shell body and is located on one side of the inner shell body, and the air filter membrane is fixedly connected with the liquid medicine filter membrane and is located on the side of the liquid medicine filter membrane away from the inner shell body.

5. The bacteria-removing grade liquid medicine filter according to claim 4 characterized in that, each protective outer shell has an exhaust hole.

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