CN222549971U - A Ruhr multi-channel connector and a mixing kit with a forced mixing aid function - Google Patents

Abstract

The utility model provides a Lu Erduo-channel connector with forced mixing assisting function and a mixing sleeve, which comprise a forced mixing assembly, wherein at least two luer connectors are arranged outside the forced mixing assembly to be connected, the forced mixing assembly comprises an I-type hollow cavity, a Y-type hollow cavity, an L-type hollow cavity, a V-type hollow cavity or an X-type hollow cavity and a built-in mixing assisting piece, the mixing sleeve comprises a Lu Erduo-channel connector with the forced mixing assisting function, at least 1 syringe for pre-filling liquid and at least 1 syringe for pre-filling solid phase powder, the syringes are combined to form a closed forced mixing system, and liquid and solid powder or another liquid are alternately forced to pass through a plurality of syringes in a reciprocating manner through the mixing sleeve to obtain a homogeneous solid-liquid or liquid-liquid mixture for a plurality of times. The utility model ensures that each phase of solid and liquid pre-filled in the injector is conveniently and rapidly forced to be mixed, can reduce bubbles, avoid external pollution and material waste, and shortens operation preparation time.

Description

Lu Erduo passage joint with forced mixing assisting function and mixing sleeve

Technical Field

The utility model belongs to the field of medical equipment, and particularly relates to a Lu Erduo-channel connector with forced mixing assisting function and the technical field of combined application of the Lu Erduo-channel connector and a prefilled syringe, in particular to a Lu Erduo-channel connector with forced mixing assisting function and a mixing sleeve.

Background

An injectable filler material is a surgical implant medical device that is injected or partially filled by minimally invasive means. In the operation, it is generally necessary to mix the solid and liquid phases of the individual packages uniformly to prepare a slurry or mixed liquid with a certain viscosity and then fill the slurry or mixed liquid into a syringe for in-vivo injection, so that uniform mixing is indispensable. However, in clinical applications, manual stirring and mixing are often used in open containers, which is not only laborious to operate, but also entails pollution risks and material waste during stirring and mixing in open containers and subsequent transferring of the filled syringes, and cumbersome operations also lengthen the preparation time for the procedure. The traditional manual mixing can not be fast and fully uniform, air is easily introduced in the slurry stirring process, and meanwhile, the traditional mixing process is long in time consumption, is not suitable for products which are easy to react when solid and liquid materials are mixed, and cannot meet the clinical application requirements. On the other hand, the solid and liquid phases of the commercially available injectable filling materials are respectively and generally independently sterilized bagged or bottled, when the injectable filling materials are used, the pollution risk is increased in the bag-opening and bottle-opening processes, more or less material loss is caused, in the actual operation, the mixing is difficult to be guaranteed according to the solid and liquid phases, the material filling loss or the solid-liquid ratio deviates from the optimal formula, the properties of the injectable filling materials are changed, and the clinical application effect of the injectable filling materials is affected.

In view of the above problems, CN100450453C discloses an integrated bone cement vacuum stirring injector, comprising a stirring device, a vacuum chamber and an injector, wherein the stirring device consists of a transmission shaft and stirring blades. When the integrated bone cement vacuum stirring injector is used, solid and liquid phases which are split according to the proportion are filled into a vacuum stirring injector shell on site, a vacuum stirrer is arranged, a transmission shaft is pulled to be in place, a vacuum chamber is communicated with the inside of the injector shell, a handle of a stirring device is rocked to stir bone cement uniformly, then the vacuum stirrer is detached, and the bone cement is connected with a bone cement gun for in-vivo injection and other procedures. The stirring device is complex, the operation process is very complicated, the stirrer is provided with a plurality of stirring sheets, the stirring device is repeatedly used, pollution is easily brought to bone cement, a large amount of materials are wasted, and meanwhile, the manual stirring efficiency is low, and the stirring device is difficult to uniformly mix.

The above-described contents are within the technical knowledge of the inventors, and the technical contents in the art are huge and complicated, and thus the above-described contents of the present application do not necessarily constitute the prior art.

Disclosure of utility model

1. The utility model aims to solve the technical problems that:

The utility model provides a Lu Erduo channel connector with forced mixing function and a mixing sleeve, which are used for solving the technical problems in the background technology.

2. The technical scheme is as follows:

The technical scheme includes that the forced mixing assembly comprises 1 forced mixing assembly and at least 2 luer connectors, wherein the forced mixing assembly and the luer connectors are integrated, and a channel which is communicated with any 1 luer connector to any other 1 luer connector in a penetrating way is formed in the forced mixing assembly.

The forced mixing assembly comprises an I-shaped hollow cavity, a Y-shaped hollow cavity, an L-shaped hollow cavity, a V-shaped hollow cavity or an X-shaped hollow cavity, wherein an internal auxiliary mixing piece is arranged in the hollow cavity, the luer connector is a male luer connector or a female luer connector or a combination of the male luer connector and the female luer connector, at least two luer connectors are arranged outside the forced mixing assembly and connected with the forced mixing assembly, and a central channel of the luer connector is communicated with the hollow cavity of the forced mixing assembly in a penetrating manner to form a channel capable of enabling multicomponent liquid or slurry to be forced to flow through the internal auxiliary mixing piece and be fully mixed.

Further, the luer connectors are arranged around the forced mixing assembly in a three-dimensional manner, the luer connectors and the forced mixing assembly are connected and combined into a whole through platform gluing or heat sealing or threaded interfaces, and the central axes of the luer connectors around the forced mixing assembly are distributed at a three-dimensional angle of more than 0 degrees and less than or equal to 180 degrees.

Further, the built-in mixing assisting piece is at least 1 relatively fixed porous plate arranged in the hollow cavity;

At least 1 round, rectangular, polygonal, crescent or quincuncial through-hole of the porous plate is uniformly distributed on the porous plate;

The porous plates are arranged in the hollow cavity at intervals and are intersected with the symmetrical central axis of the channel in the hollow cavity, gaps are reserved between the porous plates, and symmetrical centers of the channel holes on the adjacent porous plates are arranged in a staggered mode.

Further, the built-in mixing assisting piece is at least 1 screw rod which is arranged in the hollow cavity and is relatively fixed or at least 1 screw rod which can forcedly rotate around the central axis of the screw rod, and the central axis of the screw rod is embedded into the joint of the luer joint and the hollow cavity.

Further, the inner surface of the hollow cavity is a round cylindrical surface or a polygonal cylindrical surface to form an inner surface smooth channel, and the outer surface of the hollow cavity is a round cylindrical surface, a polygonal cylindrical surface or a quincuncial cylindrical surface, and the outer surface of the hollow cavity is enveloped into the outer contour of the I-shaped, Y-shaped, L-shaped, V-shaped or X-shaped hollow cavity.

Further, the luer connector or the forced mixing component is prepared from any one or more of medical cycloolefin copolymer, polyethylene PE, polyvinyl chloride PVC, polymethyl methacrylate PMMA, polystyrene PS, polycarbonate PC, polypropylene PP, thermoplastic polyurethane TPU, polytetrafluoroethylene PTFE, polyamide PA, polyether ether ketone PEEK, polyarylether ketone PAEK, polyether ketone PEKK, styrene acrylonitrile copolymer SAN and styrene-methyl methacrylate copolymer MS.

Further, the luer connector or the forced mixing assembly is assembled into a whole through gluing, heat sealing or threads after being prepared by an injection molding process.

Further, the luer fitting or the forced mixing assembly is integrally machined in one piece in a single piece using additive manufacturing techniques.

Also protected is a mixing kit of Lu Erduo channel joints with forced mixing aid comprising the Lu Erduo channel joint with forced mixing aid, the Lu Erduo channel joint with forced mixing aid being connected to at least 2 pre-filled solid or pre-filled liquid phase syringes having central axes at a solid angle greater than 0 °, less than or equal to 180 ° with respect to each other distributed around the Lu Erduo channel joint with forced mixing aid.

3. The beneficial effects are that:

Compared with the prior art, the technical scheme provided by the utility model has the following beneficial effects:

The Lu Erduo channel joint with forced mixing function has the advantages of simple structure, low production cost and easy mass production, and is reasonable in design;

The forced mixing assembly is arranged between the luer connectors, so that each phase of the solid and the liquid which are respectively and independently pre-filled in the two syringes can be conveniently, rapidly and uniformly forced to be mixed, air bubbles are reduced, and external pollution and material waste are avoided;

Meanwhile, the built-in auxiliary mixing piece is additionally arranged between the inside of the forced mixing assembly, so that the mixture of each solid phase and each liquid phase can be forced to pass through various channels in the hollow cavity, the length of the channel for forced stirring and mixing of each solid phase and each liquid phase is prolonged, the mixing efficiency of each solid phase and each liquid phase is greatly improved, the purpose of instant mixing and instant use is achieved, and the method is particularly suitable for product application in which the reaction between each component is easy to occur during mixing of materials of each solid phase and each liquid phase, the curing reaction time is very short, and the method is also suitable for mixing materials with poor physical and chemical properties of each solid phase and each liquid phase.

Is beneficial to shortening the operation preparation time, is very convenient to use, and is particularly suitable for realizing uniform mixing of solid phase mixed materials with different densities and liquid phase by rapid forced stirring movement.

The application fills solid phase powder in the injector cylinder of the pre-filled solid phase powder, fills liquid phase in the injector cylinder of the pre-filled liquid phase, forms a sleeve together with a Lu Erduo channel joint with forced mixing function, and then sterilizes and market. The solid-liquid mixing kit has reasonable configuration, simple composition and low cost, and in clinical use, as long as the luer plug is pulled out, the two ends of the Lu Erduo channel connector with forced mixing function are respectively connected with the male luer connector of the injector for pre-filling liquid phase and pre-filling solid phase powder, so that an internal closed solid-liquid forced mixing system can be formed, the operation is very simple, bacterial pollution caused by material exposure can be avoided, air bubble formation and material loss are avoided, the material utilization rate is improved, and the double female luer multichannel connector with forced mixing function and the pre-filling injector are disposable without cross contamination;

By pushing plunger rods of two prefilled syringes in sequence, each phase of solid and liquid mixture passes through Lu Erduo channel connectors with forced mixing function for multiple times, each phase of solid and liquid mixture is forced to be extruded and acted by shearing force through a built-in mixing assisting piece, so that materials with different densities are rapidly forced to be stirred to realize uniform mixing, on the basis of avoiding the defects of exogenous pollution, slurry loss and the like which are easily caused by a traditional propeller stirring mode, the mixing efficiency and quality are greatly improved, the uniform mixture can be obtained in a short time, the clinical application requirements of rapid solidification, high viscosity, large difference of component specific gravity and poor compatibility of physical and chemical properties of injectable filling materials are met, the mixing and injection waiting time can be greatly saved, the operation preparation procedure is simplified, and the risk of misoperation is reduced.

It should be noted that, the structure not described in the present utility model does not relate to the design gist and the improvement direction of the present utility model, which are the same as the prior art or can be implemented by using the prior art, and the description is omitted herein.

Drawings

FIG. 1 is a schematic diagram of a dual female luer fitting with an L-shaped forced mixing function made by an additive process;

FIG. 2 is one of the schematic illustrations of a cross-section of a dual female luer fitting of type I forced mixing function made by an additive process of the present utility model;

FIG. 3 is a schematic illustration of a cross-section of a dual female luer fitting with an L-shaped forced mixing function made by an additive process according to the present utility model;

FIG. 4 is a third schematic cross-sectional view of a dual female luer fitting with an L-shaped forced mixing function made by an additive process according to the present utility model;

FIG. 5 is one of the schematic views of the threaded rod in the middle of the dual female luer fitting structure of the present utility model with the luer fitting assembled by threads to form an I-type forced mixing function;

fig. 6 is a schematic view of a threaded rod in the middle of a Lu Erduo-channel adapter structure with forced mixing according to the present utility model.

FIG. 7 is a schematic illustration of a dual female luer fitting of the present utility model with type I forced mixing made by injection molding;

FIG. 8 is one of the schematic illustrations of a cross-section of a dual female luer fitting of type I forced mixing function made by injection molding process of the present utility model;

FIG. 9 is a schematic diagram of a cross-section of a dual female luer fitting with type I forced mixing function made by injection molding process according to the second aspect of the present utility model;

FIG. 10 is a schematic representation of a cross-sectional view of a dual female luer fitting with type I forced mixing function made by injection molding in accordance with the present utility model;

FIG. 11 is a schematic diagram of a Y-shaped forced mixing function Lu Erduo-channel connector according to the present utility model;

FIG. 12 is a schematic view of a Lu Erduo-channel connector with X-shaped forced mixing function according to the present utility model;

Fig. 13 is a schematic view of a double female luer fitting of the present utility model assembled by heat sealing or gluing.

Reference numerals:

1. the device comprises a forced mixing component, a luer connector, a hollow cavity, a built-in mixing assisting piece, a perforated plate, a threaded rod and a threaded rod.

Detailed Description

In order that the utility model may be readily understood, a more particular description of the utility model will be rendered by reference to specific embodiments thereof which are illustrated in the appended drawings, in which, however, the utility model may be embodied in many different forms and are not limited to the embodiments described herein, but are instead provided for the purpose of providing a more thorough and complete disclosure of the utility model.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "page", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

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

In the present utility model, unless explicitly stated or limited otherwise, the terms "mounted," "connected," "secured," "provided," and "disposed" are to be construed broadly, as they are, for example, fixed, removable, or integral, as they are, for example, mechanically, electrically, directly, indirectly, or through intermediaries, as well as in communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

Examples

Referring to fig. 1-13, a Lu Erduo channel connector with forced mixing function comprises 1 forced mixing component 1 and at least 2 luer connectors 2, wherein the forced mixing component 1 and the luer connectors 2 are integrated, a channel from any 1 luer connector 2 to any other 1 luer connector 2 is communicated in a penetrating way, when the device works, the luer connectors 2 can be respectively connected with luer connectors of a syringe, the syringe is prefilled with solid or liquid to be mixed, the syringes at two ends respectively move back and forth in a piston mode, the solid or liquid in the inside repeatedly passes through a space in the middle of the forced mixing component 1, and then the forced mixing effect of solid and liquid phases is achieved.

The luer connectors 2 are arranged around the forced mixing assembly 1 in a three-dimensional distribution manner, the luer connectors 2 and the forced mixing assembly 1 are connected and combined into a whole through platform gluing or heat sealing or threaded interfaces, the central axes of the luer connectors 2 around the forced mixing assembly 1 are distributed at a three-dimensional angle of more than 0 degrees and less than or equal to 180 degrees, the forced mixing assembly 1 can be connected with a plurality of luer connectors 2 and connected with a syringe, and the mixing effect of various solids and liquids can be achieved.

The forced mixing assembly 1 comprises an I-shaped hollow cavity 3, a Y-shaped hollow cavity 3, an L-shaped hollow cavity 3, a V-shaped hollow cavity 3 or an X-shaped hollow cavity 3, a built-in auxiliary mixing piece 4 is arranged in the hollow cavity 3, the luer connector 2 is a male luer connector or a female luer connector or a combination of the male luer connector and the female luer connector, at least two luer connectors 2 are arranged outside the forced mixing assembly 1 and connected with the forced mixing assembly, a central channel of each luer connector 2 is communicated with the hollow cavity 3 of the forced mixing assembly 1 in a penetrating way to form a channel which can enable multicomponent liquid or slurry to flow through the built-in auxiliary mixing piece 4 in a forced way, the hollow cavity 3 is limited to be of a conventional shape or of other irregular shapes, the hollow cavity 3 is structured to facilitate connection of a plurality of luer connectors 2 and a syringe, and the built-in auxiliary mixing piece 4 facilitates forced circulation and mixing of substances flowing inside.

The built-in mixing assisting piece 4 is at least 1 relatively fixed porous plate 5 arranged in the hollow cavity 3;

At least 1 round, rectangular, polygonal, crescent or quincuncial channel holes penetrating through the porous plate 5 are uniformly distributed on the porous plate 5;

The porous plates 5 are arranged in the hollow cavity 3 at intervals and are intersected with the symmetrical central axis of the channel in the hollow cavity 3, gaps are reserved among the porous plates 5, and symmetrical centers of the channel holes on the adjacent porous plates 5 are arranged in a staggered mode.

The provision of the perforated plate 5 facilitates the back and forth flow-through rapid mixing of the internal substances.

The built-in mixing assisting piece 4 is at least 1 screw rod 6 which is arranged in the hollow cavity 3 and is relatively fixed or at least 1 screw rod 6 which can forcedly rotate around the central shaft of the screw rod 6 is embedded in the joint of the luer connector 2 and the hollow cavity 3, the forcedly rotating screw rod 6 is convenient for the forcedly mixing of substances which flow back and forth, the diameter of the screw rod 6 is smaller than the diameter of a channel in the hollow cavity 3, the screw rod can be directly arranged in the hollow cavity during installation, and then the luer connector 2 is installed at the port of the hollow cavity 3.

The inner surface of the hollow cavity 3 is a round cylindrical surface or a polygonal cylindrical surface, so that a smooth channel of the inner surface is formed, and the circulation of internal substances is facilitated;

the outer surface of the hollow cavity 3 is a round cylindrical surface, a polygonal cylindrical surface or a quincuncial cylindrical surface, and the outer surface is enveloped into the outer contour of the I-shaped, Y-shaped, L-shaped, V-shaped or X-shaped hollow cavity 3, so that the overall structural strength is improved.

The luer connector 2 or the forced mixing assembly 1 is prepared from any one or more of medical cycloolefin copolymer, polyethylene PE, polyvinyl chloride PVC, polymethyl methacrylate PMMA, polystyrene PS, polycarbonate PC, polypropylene PP, thermoplastic polyurethane TPU, polytetrafluoroethylene PTFE, polyamide PA, polyether ether ketone PEEK, polyaryletherketone PAEK, polyether ketone PEKK, styrene acrylonitrile copolymer SAN and styrene-methyl methacrylate copolymer MS, and the device can be prepared from non-medical materials in a scene.

The luer connector 2 or the forced mixing assembly 1 is assembled into a whole by gluing, heat sealing or threads after being prepared by an injection molding process.

The luer fitting 2 and the forced mixing assembly 1 are integrally machined at one time in a unitary form using additive manufacturing techniques.

The mixing kit with the Lu Erduo channel connector with the forced mixing assisting function comprises the Lu Erduo channel connector with the forced mixing assisting function, wherein the Lu Erduo channel connector with the forced mixing assisting function is connected with at least 2 pre-filling solid phase or pre-filling liquid phase syringes, central shafts of the pre-filling solid phase or pre-filling liquid phase syringes are mutually more than 0 degrees, and three-dimensional angles which are smaller than or equal to 180 degrees are distributed around the Lu Erduo channel connector with the forced mixing assisting function.

It should be noted that, the injector may be a common injector in the prior art, and the main purpose of the injector is to provide driving force required by flowing for the solid phase and the liquid phase of the injector, so that substances in the injector can move back and forth under a vacuum environment to achieve a forced mixing effect, and the solid-liquid mixing kit includes a forced mixing assembly 1 provided with two luer connectors 2, an injector for pre-filling the liquid phase and an injector for pre-filling the solid phase powder, wherein the two luer connectors 2 are respectively connected to luer connectors of the two injectors to form a closed mixing system, the injector for pre-filling the liquid phase or the injector for pre-filling the solid phase powder is respectively composed of a barrel, a plunger rod, a female luer plug and the liquid phase or the solid phase powder, one end of the barrel is opened, the other end is provided with a two-shaped shoulder, the other end of the barrel is provided with a male luer connector, and the female luer plug is sealed, one end of the plunger rod is provided with a pushing handle, the other end is provided with a piston, and the piston can slide back and forth in the barrel, the luer connectors are pushed by the pushing the pre-filling liquid phase injector respectively, the luer connectors 2 are respectively connected to form a closed mixing system, and the three systems are serially connected, and the injector for pre-filling the solid phase powder is filled with the solid phase powder or the solid phase powder, and the solid phase powder is filled into the solid phase injector through the solid phase injector and the solid phase injector.

The prefilled syringe includes a prefilled syringe and a prefilled syringe of solid phase powder, wherein a certain amount of liquid phase is prefilled in a cylinder of the prefilled syringe, the liquid phase can be medical grade methyl methacrylate MMA monomer or sterile water, injection water, disodium hydrogen phosphate solution, sodium dihydrogen phosphate solution, citric acid solution, hyaluronic acid, carboxymethyl cellulose solution, carboxymethyl cellulose sodium solution, N-methylpyrrolidone solution, polyethylene glycol or blood, at least one mixture, and a certain amount of solid phase powder is prefilled in a cylinder of the prefilled syringe of solid phase powder, and the solid phase powder can be medical grade polymethyl methacrylate homopolymer or copolymer containing polymethyl methacrylate or a polymer or alpha-tricalcium phosphate, tetra calcium phosphate, calcium sulfate hemihydrate, dicalcium silicate, tri calcium silicate, strontium di strontium, tri strontium phosphate, hydroxy apatite/beta-tricalcium phosphate or a mixture of at least one of micro silicate powder.

The application example 1 of the application is given below by combining specific conditions, referring to fig. 5 and 6, medical grade polypropylene is respectively injection molded to form a hollow cavity 3 and a forced rotating screw rod 6, the forced rotating screw rod 6 of polypropylene is arranged in the hollow cavity 3 to form a polypropylene forced mixing assembly 1, when the mixture of each solid phase and the liquid phase is forced to pass through the forced mixing assembly 1 of the polypropylene screw rod 6, the mixture of each solid phase and the liquid phase is forced to flow along the surface of the screw rod 6 to realize the forced mixing function of each solid phase and the liquid phase, when the forced mixture of each solid phase and the liquid phase flows, the polypropylene screw rod 6 can be forced to rotate by itself relative to the central shaft of the polypropylene hollow pipe in the polypropylene hollow cavity 3, the inner surface of the polypropylene hollow cavity 3 is a circular cylindrical surface with smooth channel, the outer surface of the polypropylene hollow cavity 3 is a circular cylindrical surface, two ends of the polypropylene hollow cavity 3 are provided with platforms and are respectively adhered and fixed with a polypropylene luer connector 2, and the three are sequentially combined into a polypropylene double-nut connector with the I-type forced mixing function.

Medical grade polymethyl methacrylate homopolymer powder is filled in a syringe cylinder body of the prefilled solid phase powder, methyl methacrylate MMA monomer is filled in the syringe cylinder body of the prefilled liquid phase, and the medical grade polymethyl methacrylate homopolymer powder and the prefilled liquid phase are packaged together with a polypropylene Lu Erduo with forced mixing assisting function to form a sleeve, and then the sleeve is sterilized.

When in clinical use, the solid-liquid mixing sleeve is packaged, luer plugs on two injectors of the pre-filled polymethyl methacrylate homopolymer powder and the pre-filled armored methyl acrylate MMA monomer are pulled out respectively, the polypropylene Lu Erduo with forced mixing assisting function is connected with luer connectors of the injectors of the pre-filled armored methyl acrylate MMA monomer and the pre-filled polymethyl methacrylate homopolymer powder respectively, then plunger rods of the two injectors are pushed sequentially, so that the mixture of each solid phase and each liquid phase repeatedly passes through the polypropylene Lu Erduo with forced mixing assisting function and is forced to rotate relative to the central shaft of the hollow cavity 3 when passing through the hollow cavity 3, the mixture of the solid phase and the liquid phase of the polymethyl methacrylate homopolymer powder and the methyl methacrylate MMA monomer is forced to be stirred, extruded and sheared, the materials with different densities are stirred by self to realize uniform mixing, the phenomena of external pollution and material waste are completely avoided, the uniform mixture without bubbles can be obtained within 1 minute, namely, the mixing time is greatly shortened.

An application example 2 of the application is given below by combining specific conditions, referring to fig. 9, firstly, medical-grade polycarbonate is adopted to prepare a luer connector 2, a hollow cavity 3 and porous plates 5 with 6 through holes with the diameter of 1mm uniformly distributed, 3 porous plates 5 are fixedly arranged in the hollow cavity 3 at a parallel interval of 2mm, the through holes on the porous plates 5 are arranged in a staggered manner, the porous plates 5 are arranged in the hollow cavity 3 to form a forced mixing assembly 1 of the polycarbonate, when the mixture is forced to pass through the forced mixing assembly 1 of the polycarbonate, the forced mixing function of each phase of solid and liquid is realized, the porous plates 5 of the polycarbonate are fixed in the hollow cavity 3 of the polycarbonate, the inner cylindrical surface of the hollow cavity 3 of the polycarbonate is a hexagonal cylindrical surface, the outer cylindrical surface of the hollow cavity 3 of the polycarbonate with a smooth surface channel is a hexagonal cylindrical surface, two ends of the hollow cavity 3 of the polycarbonate are provided with internal threads and are respectively connected with one end external threads of the hollow cavity 2 of the polycarbonate, and the three are sequentially combined into a whole of the hollow nipple with the forced mixing function of the polycarbonate Lu Erduo.

Medical grade hydroxyapatite microsphere powder is filled in a syringe cylinder body of pre-filled solid phase powder, cross-linked hyaluronic acid is filled in a syringe cylinder body of pre-filled liquid phase, and the cross-linked hyaluronic acid and polycarbonate Lu Erduo with forced mixing function are packaged together into a sleeve, and then the sleeve is sterilized.

In clinical use, the solid-liquid mixing kit is packaged, luer plugs on two injectors of pre-filled hydroxyapatite microsphere powder and pre-filled crosslinked hyaluronic acid are pulled out respectively, two ends of a polycarbonate Lu Erduo through joint with forced mixing assisting function are connected with luer joints of the injectors of the pre-filled crosslinked hyaluronic acid and the pre-filled hydroxyapatite microsphere powder respectively, then plunger rods of the two injectors are pushed sequentially, so that solid-liquid mixtures repeatedly pass through a polycarbonate Lu Erduo through joint hollow cavity 3 with forced mixing assisting function, and when the solid-liquid mixtures pass through the polycarbonate hollow cavity 3, a porous polycarbonate plate 5 is fixed, so that the solid-liquid mixtures of the hydroxyapatite microsphere powder and the crosslinked hyaluronic acid are forced to be extruded from pore canals of 6 porous discs with 1mm through holes and flow shearing force effects among the porous discs, and materials with different densities are stirred uniformly by self-service to obtain uniform mixtures. Completely avoids the phenomena of external pollution and material waste, can obtain a uniform mixture without bubbles within 1 minute, can be mixed for use, and greatly shortens the operation preparation time.

Application example 3 of the present application is given below in conjunction with specific cases, referring to fig. 8 and 10. Firstly, a hollow cavity 3 and a screw rod 6 are respectively prepared by injection molding of medical-grade polyether-ether-ketone, the polyether-ether-ketone screw is arranged in the polyether-ether-ketone hollow cavity 3 to form a polyether-ether-ketone forced mixing assembly 1, the polyether-ether-ketone screw 6 is arranged in the polyether-ether-ketone hollow cavity 3, when a mixture is forced to pass through the polyether-ether-ketone forced mixing assembly 1, the forced mixing function of each phase of solid and liquid is realized, the polyether-ether-ketone screw 6 is fixed in the polyether-ether-ketone hollow cavity 3, the inner surface of the polyether-ether-ketone hollow cavity 3 is a circular cylindrical surface, the outer cylindrical surface of the polyether-ether-ketone hollow cavity 3 is a plum blossom-shaped cylindrical surface, and the two ends of the polyether-ether-ketone hollow cavity 3 are provided with external threads and are respectively connected with the internal threads of a polyether-ether-ketone luer connector 2, so that the three are sequentially combined into an integral polyether-ether-ketone Lu Erduo channel connector with forced mixing function.

Medical grade alpha-tricalcium phosphate composite powder is filled in a syringe cylinder body of prefilled solid-phase powder, disodium hydrogen phosphate aqueous solution is filled in a syringe cylinder body of prefilled liquid phase, and the medical grade alpha-tricalcium phosphate composite powder and the syringe cylinder body of prefilled liquid phase are packaged together with a polyether-ether-ketone Lu Erduo channel joint with forced mixing function to form a sleeve, and then sterilized and put on the market.

When in clinical use, the solid-liquid mixing sleeve is packaged, luer plugs on two syringes of the pre-filled alpha-tricalcium phosphate composite powder and the pre-filled disodium hydrogen phosphate aqueous solution are pulled out respectively, luer connectors at two ends of the polyether-ether-ketone Lu Erduo channel connector with forced mixing assisting function are connected with luer connectors of the syringes of the pre-filled disodium hydrogen phosphate aqueous solution and the pre-filled alpha-tricalcium phosphate composite powder respectively, then plunger rods of the two syringes are pushed sequentially, so that the mixture of each phase of solid and liquid repeatedly passes through a hollow cavity 3 of the polyether-ether-ketone Lu Erduo channel connector with forced mixing assisting function, and when passing through the hollow cavity 3, a polyether-ether-ketone screw 6 is fixed relative to the hollow cavity 3, so that the mixture of each phase of the alpha-tricalcium phosphate composite powder and the disodium hydrogen phosphate aqueous solution is forced to be extruded from a spiral channel and acted by shearing force, materials with different densities are stirred rapidly and uniformly, and the operation preparation time is shortened greatly.

Application example 4 of the application is given below in connection with specific cases, and referring to fig. 1-4, a polyethylene luer multichannel connector with forced mixing function is prepared by integrally processing medical-grade photo-curing polyethylene resin at one time through additive manufacturing technology.

Filling calcium phosphate bone cement powder into a syringe barrel of the pre-filled solid phase powder, filling the blending liquid into the syringe barrel of the pre-filled liquid phase, and packaging the blending liquid and a polyethylene luer multichannel connector with forced mixing function manufactured by additive together to form a kit, and sterilizing and marketing the kit.

When in clinical use, the solid-liquid mixing sleeve is packaged, luer plugs on two injectors of the pre-filled calcium phosphate cement powder and the pre-filled blending liquid are pulled out respectively, luer connectors at two ends of the polyethylene luer multichannel connector with forced mixing assisting function are connected with luer connectors of the pre-filled blending liquid and the injector of the pre-filled calcium phosphate cement powder respectively, then plunger rods of the two injectors are pushed sequentially, so that solid-liquid mixtures repeatedly pass through a hollow cavity 3 of the polyethylene luer multichannel connector with forced mixing assisting function for many times, the calcium phosphate cement powder and the blended liquid solid-liquid mixtures are forced to be extruded in a spiral channel of the polyethylene luer multichannel connector with forced mixing assisting function, materials with different densities are stirred fast under the action of shearing force to realize uniform mixing, and the uniform mixture can be obtained within 0.5 min, so that the operation preparation time is greatly shortened.

The utility model can conveniently, uniformly and rapidly mix the solid and liquid phases respectively and independently pre-filled in the two syringes by using the Lu Erduo channel connector with forced mixing function, reduce bubbles in the mixture, avoid external pollution and material waste, and can be used immediately after mixing, thus being particularly suitable for product application in which the mixing of the solid and liquid phases of materials is easy to react and the reaction time is very short.

The above examples illustrate only certain embodiments of the utility model, which are described in detail and are not to be construed as limiting the scope of the utility model, it being understood that variations and modifications can be made by those skilled in the art without departing from the spirit of the utility model, which is within the scope of the utility model, and the appended claims shall therefore be construed as defining the scope of the utility model.

Claims (8)

1. The Lu Erduo channel connector with the forced mixing function is characterized by comprising 1 forced mixing component (1) and at least 2 luer connectors (2), wherein the forced mixing component (1) and the luer connectors (2) are integrated, and a channel which is communicated with any 1 luer connector (2) to any other 1 luer connector (2) is arranged in the forced mixing component;

The forced mixing assembly (1) comprises an I-shaped hollow cavity (3), a Y-shaped hollow cavity, an L-shaped hollow cavity, a V-shaped hollow cavity or an X-shaped hollow cavity (3), an internal mixing assisting piece (4) is arranged in the hollow cavity (3), the luer connector (2) is a male luer connector or a female luer connector or a combination of the male luer connector and the female luer connector, at least two luer connectors (2) are arranged outside the forced mixing assembly (1) and connected with the forced mixing assembly, and a central channel of the luer connector (2) is communicated with the hollow cavity (3) of the forced mixing assembly (1) in a penetrating mode to form a channel capable of enabling multicomponent liquid or slurry to be forced to flow through the internal mixing assisting piece (4) and be fully mixed.

2. The Lu Erduo-channel connector with forced mixing function according to claim 1, wherein the luer connector (2) is arranged around the forced mixing component (1) in a three-dimensional manner, the luer connector (2) and the forced mixing component (1) are connected and combined into a whole through platform gluing or heat sealing or threaded connection, and central axes of the luer connectors (2) around the forced mixing component (1) are distributed at a three-dimensional angle of more than 0 degrees and less than or equal to 180 degrees.

3. A Lu Erduo-channel joint with forced mixing function according to claim 1, characterized in that the built-in mixing aid (4) is at least 1 relatively stationary perforated plate (5) arranged in the hollow cavity (3);

At least 1 round, rectangular, polygonal, crescent or quincuncial channel holes penetrating through the porous plate (5) are uniformly distributed on the porous plate (5);

The porous plates (5) are arranged in the hollow cavity (3) at intervals and are intersected with the symmetrical central axis of the channel in the hollow cavity (3), gaps are reserved between the porous plates (5), and symmetrical centers of the channel holes on the adjacent porous plates (5) are arranged in a staggered mode.

4. A Lu Erduo-channel connector with forced mixing function according to claim 1, characterized in that the built-in mixing aid (4) is at least 1 relatively fixed screw (6) or at least 1 screw (6) capable of forced rotation around the central axis of the screw (6) arranged in the hollow cavity (3), and the central axis of the screw (6) is embedded in the connection part of the luer connector (2) and the hollow cavity (3).

5. The Lu Erduo-channel joint with forced mixing function according to claim 1, wherein the inner surface of the hollow cavity (3) is a round cylindrical surface or a polygonal cylindrical surface to form an inner surface smooth channel, and the outer surface of the hollow cavity (3) is a round cylindrical surface, a polygonal cylindrical surface or a quincuncial cylindrical surface, and the outer contour of the hollow cavity (3) is enveloped into an I-type, Y-type, L-type, V-type or X-type hollow cavity.

6. A Lu Erduo-way connector with forced mixing function as claimed in claim 1, characterized in that the luer connector (2) or the forced mixing component (1) is assembled into a whole by gluing, heat sealing or threads after being prepared by injection molding process respectively.

7. A Lu Erduo-channel connector with forced mixing functions as claimed in claim 1, characterized in that the luer connector (2) or the forced mixing assembly (1) is integrally manufactured in one piece using additive manufacturing technology.

8. A mixing kit with Lu Erduo channel connectors with forced mixing function is characterized by comprising the Lu Erduo channel connector with forced mixing function according to any one of claims 1-7, wherein the Lu Erduo channel connector with forced mixing function is connected with at least 2 pre-filled solid phase or pre-filled liquid phase syringes, and the central axes of the pre-filled solid phase or liquid phase syringes are mutually more than 0 degrees, and three-dimensional angles smaller than or equal to 180 degrees are distributed around the Lu Erduo channel connector with forced mixing function.