Double-color injection molding outer conical joint with liquid medicine filtering membrane
By introducing a filter membrane and a light-shielding agent into the Luer external conical joint, the problem of drug impurities and glass fragments entering the blood vessels is solved, achieving drug filtration and light protection, and improving drug efficacy.
Patent Information
- Application Number
- CN202422908101.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-28
- Publication Date
- 2026-02-17
- Estimated Expiration
- 2034-11-28
AI Technical Summary
Existing Luer external conical connectors lack drug filtration capabilities, allowing fine impurities and glass fragments to enter blood vessels. Furthermore, their lack of light protection alters the structure and composition of the drug solution, reducing its efficacy.
The design incorporates a two-color injection-molded external conical connector with a filter membrane, consisting of an upper shell, a lower shell, and a filter membrane, which are heat-sealed together. The filter membrane is 15 microns in size, and a light-blocking agent is added inside the shell to ensure drug filtration and light protection.
It effectively filters impurities and glass fragments from the medication solution, preventing them from entering the bloodstream, while maintaining the stability of the medication solution and improving its efficacy.
Smart Images

Figure CN223914484U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to medical equipment technical field, concretely relates to two -color injection molding outer conical joint of liquid medicine filter membrane. BACKGROUND
[0002] The luer joint is a kind of standardization traceless joint, is connected by male luer joint and matching female luer joint part, is widely used in medicine and laboratory instrument currently, and the luer joint is the convenient connecting device used in medical industry, which greatly simplifies the management of liquid and gaseous medical fluid, and the luer joint can switch four infusion bags without plugging patient infusion needle, and the joint also allows multiple compatible fluids to be managed using the same pipeline, thereby reducing the wound on the patient.
[0003] But the existing luer outer conical joint does not have the function of filtering liquid medicine when being used, and the small impurities existing in liquid medicine and glass debris falling into the medicine when the injection bottle is opened will enter the blood vessels of human along with liquid medicine, simultaneously, the luer outer conical joint does not have light resistance, which can easily lead to the change of structure and composition of liquid medicine, thereby reducing the drug efficacy, therefore, we propose two-color injection molding outer conical joint of liquid medicine filter membrane. UTILITY MODEL CONTENT
[0004] In view of the above problems existing in the prior art two-color injection molding outer conical joint of liquid medicine filter membrane, the utility model is proposed.
[0005] Therefore, the utility model aims at providing two-color injection molding outer conical joint of liquid medicine filter membrane, solves the problem that the existing outer conical joint does not have the function of filtering liquid medicine when being used, and the small impurities existing in liquid medicine and glass debris falling into the medicine when the injection bottle is opened will enter the blood vessels of human along with liquid medicine, simultaneously, the luer outer conical joint does not have light resistance, which can easily lead to the change of structure and composition of liquid medicine, thereby reducing the drug efficacy.
[0006] In order to realize the above-mentioned purpose, the utility model provides the following technical scheme:
[0007] Two-color injection molding outer conical joint of liquid medicine filter membrane, including upper shell, lower shell and filter membrane, the inside of upper shell is equipped with liquid medicine inlet, the top of upper shell is equipped with fixed hole, the top of liquid medicine inlet is fixedly connected with the outside of upper shell through fixed hole, the bottom of upper shell is connected with lower shell by heat sealing, the bottom of lower shell is equipped with fixed slot, the inside of lower shell is equipped with liquid medicine outlet, the bottom of liquid medicine outlet is fixedly connected with the outside of lower shell through fixed slot, and the bottom of liquid medicine inlet is equipped with filter membrane between the top of liquid medicine outlet.
[0008] Preferably, the upper shell and the lower shell are both injection molded, and the upper shell and the lower shell are of different colors.
[0009] Preferably, the upper shell and the lower shell are both injection molded, and the upper shell and the lower shell are of different colors.
[0010] Preferably, the filter membrane is a 15-micron liquid medicine filter membrane.
[0011] Preferably, the fixing groove is internally provided with an internal thread.
[0012] Preferably, the liquid medicine inlet on the outside of the upper shell is conical.
[0013] In the above technical solution, the technical effects and advantages of the present application are provided.
[0014] The present application has the following advantages: the filter membrane is arranged between the liquid medicine inlet and the liquid medicine outlet, the light-proof agent is added in the upper shell and the lower shell, and the upper shell and the lower shell are heat-sealed, so that the impurities in the liquid medicine and the glass debris falling into the medicine when the injection bottle is opened can be filtered, the impurities in the liquid medicine and the glass debris falling into the medicine when the injection bottle is opened can be prevented from entering the blood vessels of a human being, the light-proof property of the luer taper joint is improved, the structure and composition of the liquid medicine are prevented from changing, the medicinal effect is prevented from being reduced, and the practicability of the luer taper joint is improved. BRIEF DESCRIPTION OF DRAWINGS
[0015] In order to more clearly illustrate the technical solutions in the embodiments or the prior art, the drawings needed in the embodiments will be briefly introduced below. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art based on these drawings.
[0016] Fig. 1 It is a schematic diagram of the overall structure of the present application.
[0017] Fig. 2 It is a schematic diagram of the overall cross-sectional structure of the present application.
[0018] Fig. 3 It is a schematic diagram of the overall internal structure of the present application.
[0019] Explanation of reference signs:
[0020] 1, upper shell; 2, lower shell; 3, filter membrane; 4, liquid medicine inlet; 5, fixing hole; 6, fixing groove; 7, liquid medicine outlet; 8, internal thread. DETAILED DESCRIPTION
[0021] In order to make the technical personnel of the prior art better understand the technical scheme of the present application, the present application will be further described in detail below with reference to the drawings.
[0022] The utility model discloses a double -color injection molding outer conical joint of liquid medicine filter membrane.
[0023] Embodiment one
[0024] The utility model provides a double -color injection molding outer conical joint of liquid medicine filter membrane 3 as Figs. 1-3 As shown in the double -color injection molding outer conical joint of liquid medicine filter membrane 3, including upper casing 1, lower casing 2 and filter membrane 3, the inside of upper casing 1 is equipped with liquid medicine inlet 4, the top of upper casing 1 is equipped with fixed hole 5, and the top of liquid medicine inlet 4 is fixed hole 5 and is stretched out the outside of upper casing 1, the bottom of upper casing 1 is connected with lower casing 2 by heat sealing, the bottom of lower casing 2 is equipped with fixed groove 6, the inside of lower casing 2 is equipped with liquid medicine outlet 7, the bottom of liquid medicine outlet 7 is fixed groove 6 and is stretched out the outside of lower casing 2, and the bottom of liquid medicine inlet 4 and the top of liquid medicine outlet 7 are equipped with filter membrane 3, the filter membrane 3 is 15 microns liquid medicine filter membrane 3, and the small impurities existing in liquid medicine and glass slag falling into the medicine when the injection bottle is opened are filtered conveniently.
[0025] Embodiment two
[0026] The utility model discloses a double -color injection molding outer conical joint of liquid medicine filter membrane, upper casing 1 and lower casing 2 are all injection molding, and the color of upper casing 1 and lower casing 2 is inconsistent, orange and brown light -proof agent are added in upper casing 1 and lower casing 2 respectively, and the light -proof property of upper casing 1 and lower casing 2 is improved.
[0027] The utility model discloses a double -color injection molding outer conical joint of liquid medicine filter membrane, the inside of fixed groove 6 is equipped with internal thread 8, and lower casing 2 is fixed conveniently.
[0028] The utility model discloses a double -color injection molding outer conical joint of liquid medicine filter membrane, and the liquid medicine inlet 4 at the outside of upper casing 1 is conical, and the liquid medicine inlet 4 is connected with infusion apparatus conveniently.
[0029] When using, liquid medicine inlet 4 is connected with one end of infusion apparatus, and liquid medicine outlet 7 is connected with the other end of infusion apparatus, liquid medicine enters the inside of liquid medicine inlet 4 through infusion apparatus and liquid medicine inlet 4, then liquid medicine is filtered through filter membrane 3 and flows into liquid medicine outlet 7, and upper casing 1 and lower casing 2 can shield light, to avoid the change of liquid medicine structure and composition.
[0030] The above has only described certain exemplary embodiments of the present application by way of illustration, and it is needless to say that the described embodiments can be modified in various ways without departing from the spirit and scope of the present application for those skilled in the art. Therefore, the above drawings and descriptions are illustrative in nature, and should not be understood as limiting the scope of protection of the claims of the present application.
Claims
1. A two-color injection-molded external conical joint with a drug solution filter membrane (3), comprising an upper shell (1), a lower shell (2), and a filter membrane (3), characterized in that, The upper shell (1) is provided with a liquid inlet (4) inside. The top of the upper shell (1) is provided with a fixing hole (5). The top of the liquid inlet (4) extends out of the upper shell (1) through the fixing hole (5). The bottom of the upper shell (1) is connected to the lower shell (2) by heat sealing. The bottom of the lower shell (2) is provided with a fixing groove (6). The lower shell (2) is provided with a liquid outlet (7) inside. The bottom of the liquid outlet (7) extends out of the lower shell (2) through the fixing groove (6). A filter membrane (3) is provided between the bottom of the liquid inlet (4) and the top of the liquid outlet (7).
2. The dual-color injection-molded external conical joint with a drug solution filter membrane according to claim 1, characterized in that, Both the upper shell (1) and the lower shell (2) are injection molded, and the colors of the upper shell (1) and the lower shell (2) are different.
3. The dual-color injection-molded external conical joint with a drug solution filter membrane according to claim 1, characterized in that, The upper shell (1) and the lower shell (2) are respectively filled with orange and brown light-blocking agents.
4. The dual-color injection-molded external conical joint with a drug solution filter membrane according to claim 1, characterized in that, The filter membrane (3) is a 15-micron drug solution filter membrane (3).
5. The dual-color injection-molded external conical joint with a drug solution filter membrane according to claim 1, characterized in that, The fixing groove (6) is provided with an internal thread (8).
6. The dual-color injection-molded external conical joint with a drug solution filter membrane according to claim 1, characterized in that, The liquid inlet (4) located outside the upper shell (1) is conical.