CN106821747B - Pressure-adjustable medical flushing fluid easy-open package and preparation method thereof - Google Patents
Pressure-adjustable medical flushing fluid easy-open package and preparation method thereof Download PDFInfo
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- CN106821747B CN106821747B CN201710152723.7A CN201710152723A CN106821747B CN 106821747 B CN106821747 B CN 106821747B CN 201710152723 A CN201710152723 A CN 201710152723A CN 106821747 B CN106821747 B CN 106821747B
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61J—CONTAINERS SPECIALLY ADAPTED FOR MEDICAL OR PHARMACEUTICAL PURPOSES; DEVICES OR METHODS SPECIALLY ADAPTED FOR BRINGING PHARMACEUTICAL PRODUCTS INTO PARTICULAR PHYSICAL OR ADMINISTERING FORMS; DEVICES FOR ADMINISTERING FOOD OR MEDICINES ORALLY; BABY COMFORTERS; DEVICES FOR RECEIVING SPITTLE
- A61J1/00—Containers specially adapted for medical or pharmaceutical purposes
- A61J1/05—Containers specially adapted for medical or pharmaceutical purposes for collecting, storing or administering blood, plasma or medical fluids ; Infusion or perfusion containers
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61J—CONTAINERS SPECIALLY ADAPTED FOR MEDICAL OR PHARMACEUTICAL PURPOSES; DEVICES OR METHODS SPECIALLY ADAPTED FOR BRINGING PHARMACEUTICAL PRODUCTS INTO PARTICULAR PHYSICAL OR ADMINISTERING FORMS; DEVICES FOR ADMINISTERING FOOD OR MEDICINES ORALLY; BABY COMFORTERS; DEVICES FOR RECEIVING SPITTLE
- A61J1/00—Containers specially adapted for medical or pharmaceutical purposes
- A61J1/14—Details; Accessories therefor
- A61J1/1412—Containers with closing means, e.g. caps
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/80—Packaging reuse or recycling, e.g. of multilayer packaging
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- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
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Abstract
The application relates to the field of medical flushing fluid, and discloses a pressure-adjustable medical flushing fluid easy-open package and a preparation method thereof, wherein the preparation method comprises the following steps: s1, preparing a bottle cap; s2, preparing a bottle body, wherein the bottle body comprises a bottle opening structure matched with the bottle cap structure; the bottle cap in the step S1 comprises an easy-to-open bottle cap, wherein the easy-to-open bottle cap comprises a top wall and a side wall vertically connected with the edge of the top wall, and the top wall is provided with an easy-to-pull ring structure part formed by connecting spiral threads and indentations; the easy-open bottle cap is formed by injecting molten polypropylene material into an integrally formed injection mold for injection molding. The method makes the easy-open bottle cap easy to open and can effectively control the size of the opening of the easy-open package when in use by preparing the easy-open bottle cap with the structure part of the easy-open ring formed by connecting spiral lines and indentations.
Description
Technical Field
The application relates to the field of medical flushing fluid, in particular to a pressure-adjustable medical flushing fluid easy-open package and a preparation method thereof.
Background
Irrigation solutions are indispensable in clinical medicine, such as the cleansing of traumatic wounds and the irrigation of various medical instruments for pre-and post-operative wounds. Since irrigation fluid directly contacts the wound, it is required that the product must be sterile. Therefore, the production process needs to be sterilized at high temperature.
The flushing liquid used in clinic at present is basically poured out after being used for transfusion through an opening by sodium chloride. Because the transfusion package requires sealing package, the transfusion package is composed of an outer cover and a sealing rubber pad or an inner cover, and the glass bottle or the plastic bottle is soft-packaged. When in use, the aluminum cover and the rubber plug or the inner cover are removed, so that the liquid can be poured out. For example, when using glass bottle package as flushing liquid, pliers are needed to remove the aluminum ladle cover and then remove the rubber plug before pouring; if the plastic soft packaging bottle or bag is used as the flushing liquid, the plastic soft packaging bottle or bag can be opened only by means of scissors and the like, so that the plastic soft packaging bottle or bag is inconvenient, and wastes time and labor.
The opening of the packaging bottle is not adjustable, liquid flows out naturally, no flushing pressure exists, flushing effect cannot be guaranteed, and pollution is easily caused at the opening. Therefore, a special packaging container for the flushing agent, which is easy to open, can resist high-temperature sterilization and has a controllable opening size, is needed in clinic.
Disclosure of Invention
Aiming at the defects of the prior art, the application aims to provide a pressure-adjustable medical flushing fluid easy-open package which is convenient to open and has a controllable opening size and a preparation method thereof.
In order to achieve the above object, the present application provides a method for preparing a pressure-adjustable medical rinse liquid easy-open package, the method comprising: s1, preparing a bottle cap; s2, preparing a bottle body, wherein the bottle body comprises a bottle opening structure matched with the bottle cap structure; the bottle cap in the step S1 comprises an easy-to-open bottle cap, wherein the easy-to-open bottle cap comprises a top wall and a side wall vertically connected with the edge of the top wall, and the top wall is provided with an easy-to-pull ring structure part formed by connecting spiral threads and indentations; the easy-open bottle cap is formed by injecting molten polypropylene material into an integrally formed injection mold for injection molding.
Preferably, the ring-pull tab structure of the easy-open bottle cap comprises a circular seal at the center and an annular seal spirally arranged with the circular seal as the center, the starting end of the annular seal is fixedly connected with the circular seal, and the rest part of the annular seal is connected with the circular seal indentation.
Preferably, the annular seal comprises at least two sub annular seals which are respectively connected by indentation end to end, the tail end of the sub annular seal positioned at the inner side is fixedly connected with the starting end of the sub annular seal positioned at the outer side, and the other parts are connected by indentation;
preferably, the start end of each of the sub-annular seals in the rotational direction thereof has a semicircular structure.
Preferably, the ring-pull tab structure of the easy-open bottle cap further comprises a pull tab fixedly connected with the circular seal, one end of the pull tab is embedded in the annular seal and connected with the annular seal through indentation, and the other end of the pull tab protrudes out of the top wall.
Preferably, an arrow indicating a pulling direction of the opening tab structure portion is formed on a surface of the opening tab structure portion of the easy-open bottle cap located outside the easy-open bottle cap.
Preferably, the bottle cap in S1 further includes a protective outer cap, and the protective outer cap is matched with the easy-to-open bottle cap in structure and can be sleeved on the outer side of the easy-to-open bottle cap.
Preferably, an annular supporting part is formed on the outer side of the side wall of the easy-to-open bottle cap in the step S1; the annular supporting part is matched with the protecting outer cover in structure and can support and fix the protecting outer cover.
Preferably, the step of preparing the body in S2 includes: s21, adopting a five-speed five-pressure method to prepare a bottle blank by injection molding; s22, stretching and pre-blowing the bottle blank to prepare the bottle body.
Preferably, the step of preparing a body in S2 further includes: s23, forming liquid level scales marked from bottom to top and/or liquid level scales marked from top to bottom on the bottle body.
Meanwhile, the application also provides a pressure-adjustable medical flushing fluid easy-open package, which is prepared by the method.
The pressure-adjustable medical flushing fluid easy-open package and the preparation method thereof have the advantages that the easy-open bottle cap with the opening ring structure part formed by connecting spiral-line indentations is prepared, so that the easy-open bottle cap is easy to open when in use, the size of an easy-open package opening (convenient for controlling the flow and the pressure of a solution) can be effectively controlled, the flushing effect is improved, pollution is avoided, the medical flushing fluid easy-open package is very suitable for the use of medical sterile flushing fluid packaging containers, the labor intensity of medical staff can be reduced, and the medical staff can flush wounds of patients and treat various medical appliances more quickly and conveniently.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this specification, illustrate embodiments of the application and together with the description serve to explain the application. In the drawings:
FIG. 1 is a schematic top view of a top-down bottle cap in a rinse solution top-down packaging container according to one embodiment of the present application;
FIG. 2 is a simplified structural view showing a composite bottle cap in a rinse solution pull-up type packaging container in accordance with one embodiment of the present application;
fig. 3 shows a simplified structural diagram of a rinse solution pull-up type packaging container in accordance with one embodiment of the present application.
Wherein: 1 is a bottle body, 2 is an annular supporting part of an easy-to-open bottle cap, 3 is a protective outer cover, 4 is a scale marked from bottom to top, 5 is a scale marked from top to bottom, 6 is an indentation, 7 is a pull ring, 8 is an arrow, and 9 is a round seal.
Detailed Description
It should be noted that, without conflict, the embodiments of the present application and features of the embodiments may be combined with each other. The application will be described in detail below with reference to the drawings in connection with embodiments. Unless explicitly defined otherwise, those skilled in the art will recognize that chemical terms used throughout the description herein have the ordinary meanings used in the art.
In the present application the terms "inner side" and "outer side" are relative terms, wherein inner side refers to the side facing the inner cavity of the closure and outer side refers to the side facing away from the inner cavity of the closure.
The application provides a preparation method of a pressure-adjustable medical flushing fluid easy-open package, which aims at solving the problems that a bottle cap of a packaging container in the prior art is not easy to open and the opening size is not easy to control, and comprises the following steps: s1, preparing a bottle cap; s2, preparing a bottle body, wherein the bottle body comprises a bottle opening structure matched with the bottle cap structure; the bottle cap in S1 comprises a top-pop bottle cap, as shown in fig. 1, the top-pop bottle cap comprises a top wall and a side wall vertically connected with the edge of the top wall, and the top wall is provided with a ring-pull tab structure part formed by connecting spiral grooves 6; the easy-open bottle cap is formed by injecting molten polypropylene material into an integrally formed injection mold for injection molding.
According to the preparation method of the application, preferably, the preparation method of the easy-to-open bottle cap comprises the following steps: preparing an integrally formed injection mold matched with the structure of the easy-to-be-prepared bottle cap in advance, and melting the medical polypropylene material at 160-180 ℃ to form a melting material; and injecting the melting material into the integrally formed injection mold to obtain the required easy-to-open bottle cap through injection molding.
In the application, the top wall of the easy-to-open bottle cap is provided with the opening tab structure part formed by connecting the spiral line indentations 6, so that the opening tab structure part can be torn along the extending direction of the spiral line indentations 6 to form an opening, and the opening size of the bottle cap is controlled by controlling the tearing size of the spiral line indentations 6, thereby controlling the flow and pressure of flushing liquid in the packaging container and improving the flushing efficiency.
According to the preparation method of the present application, preferably, as shown in fig. 1, the ring-pull tab structure portion of the easy-to-open bottle cap comprises a circular seal 9 at the center and an annular seal spirally arranged with the circular seal 9 as the center, wherein the starting end of the annular seal is fixedly connected with the circular seal 9, and the rest of the annular seal is in indentation connection with the circular seal 9. The minimum opening dimension of the ring-pull tab feature can be clearly defined by providing the rounded seal 9 in the ring-pull tab feature of the ring-pull lid, which is easy to use and easy to control the minimum opening of the ring-pull lid.
Preferably, the annular seal comprises at least two sub annular seals connected by indentation end to end respectively, the tail end of the sub annular seal positioned at the inner side is fixedly connected with the starting end of the sub annular seal positioned at the outer side, and the other parts are connected by indentation; the plurality of sub-annular seals are arranged in the ring-pull tab structure portion of the ring-pull tab, so that the opening size of the ring-pull tab structure portion is limited clearly, the ring-pull tab is convenient to use, and the opening size of the ring-pull tab is easy to control.
Preferably, the starting end of each of the sub-annular seals in the rotation direction thereof has a semicircular structure. By providing each of the sub-annular closures with a semi-circular configuration at its rotational direction of the starting end in the ring-pull tab configuration of the ring-pull lid, the internal stress of the material is changed so that it is easier to open.
According to the preparation method of the present application, in a preferred embodiment, as shown in fig. 1, the annular seal in the ring-pull ring structure portion of the easy-to-pull bottle cap comprises two sub-annular seals, wherein the first sub-annular seal is formed by connecting end-to-end indentations around the periphery of the round seal 9, and the second sub-annular seal is formed by connecting end-to-end indentations around the periphery of the first sub-annular seal. The side wall of the starting end of the first sub annular seal is fixedly connected with the round seal 9, and the side wall of the starting end of the second sub annular seal is fixedly connected with the side wall of the tail end of the first sub annular seal.
According to the preparation method of the present application, preferably, as shown in fig. 1, the ring-pull tab structure of the easy-to-open bottle cap further comprises a pull tab 7 fixedly connected to a circular seal 9, wherein one end of the pull tab 7 is embedded in the annular seal and connected to the annular seal by indentation, and the other end protrudes outside the top wall. By arranging the pull ring 7 in the ring-pull tab structure of the ring-pull closure, the ring-pull tab structure is advantageously opened when the ring-pull closure is in use, and the circular seal 9 can be torn off by only touching the pull ring 7 by external force, thus forming a minimum opening.
According to the manufacturing method of the present application, preferably, as shown in fig. 1, an arrow 8 indicating a pulling-out direction of the opening tab structure portion is formed on a surface of the opening tab structure portion of the opening tab closure located outside the opening tab structure portion. More preferably, an arrow 8 indicating the pull-apart direction of the opening tab structure is formed on the starting end of the circular seal 9 and each of the sub-annular seals, respectively. By arranging the arrow 8 indicating the pull-open direction of the pull-tab structure in the pull-tab structure of the pull-tab closure, it is possible to facilitate a user to better understand the way in which the pull-tab closure is used. The pressure-adjustable medical flushing fluid easy-open package prepared by the preparation method of the application comprises the following starting mode of the opening tab structure part:
(1) Firstly, touching the pull ring 7 along the arrow direction of the pulling direction of the opening pull ring structure part to tear off the indentation around the round seal 9 so as to form a first opening;
(2) When the first opening is improper in size, further pulling up the indentation around the (first) sub annular seal along the arrow direction of the pull-open tab structure in the pull-open direction to form a second opening;
(3) When the second opening is improper in size, further pulling up the indentation around the next (second) sub annular seal along the arrow direction of the pull-open tab structure part in the pull-open direction to form a third opening;
(4) And the like to select the size of the opening to be used, so as to control the flow and the pressure of the solution, thereby improving the flushing effect.
According to the preparation method of the present application, as shown in fig. 2, preferably, the bottle cap in S1 further includes a protecting outer cap 3, and the protecting outer cap 3 is matched with the structure of the easy-to-open bottle cap, and can be sleeved on the outer side of the easy-to-open bottle cap. Preferably, an annular supporting part is formed on the outer side of the side wall of the easy-to-open bottle cap in the step S1; the annular supporting part 2 is matched with the protecting outer cover 3 in structure and can support and fix the protecting outer cover. More preferably, the annular supporting portion 2 is arranged near the open end of the easy open closure. The annular supporting portion 2 and the protective outer cover 3 are fixed through a connecting structure, and the connecting structure is a connecting structure conventionally used in the art, and is not described herein.
The outer cover of the rinse solution pull-up type packaging container according to the present application may be formed by using a conventional plastic material such as polyethylene, polypropylene, etc. The outer cap may be injection molded by a conventional mold.
The preparation method provided by the application, wherein the bottle body in S2 can be prepared by using the integrated equipment for injection molding, stretching and blow molding, and the equipment has four stations of injection molding, pre-blowing, molding and demolding in one operation, so that the production process is simple, the working procedures are few, the production pollution can be effectively avoided, the production efficiency is improved, the lifting ring mold and related welding equipment are saved, the mold investment is low, welding is not needed, and the labor cost and the manufacturing cost are reduced.
According to the preparation method of the present application, preferably, the step of preparing the body in S2 includes: s21, adopting a five-speed five-pressure method to prepare a bottle blank by injection molding; s22, stretching and pre-blowing the bottle blank to form the bottle body; s23, optionally forming a liquid level scale marked from bottom to top and/or a liquid level scale marked from top to bottom on the bottle body. As shown in fig. 3, the bottle body 1 is provided with a liquid level scale 4 marked from bottom to top and a liquid level scale 5 marked from top to bottom, which is beneficial to monitoring the amount of flushing liquid in the bottle body.
The five-speed five-pressure process adopted by the application refers to the injection pressure and the injection speed required by each section of displacement of the screw in the advancing process. The fixed value of the injection molding pressure speed equipment in the first stage, the second stage and the third stage is larger, so that hot materials can be ensured to rapidly fill a running cavity under larger pressure, but the speed is controlled appropriately, bubbles in a tube blank with untimely air exhaust are avoided, V-P conversion is performed in the third stage, the speed is taken as a main control point, and in the fourth stage and the fifth stage, the forming of a lifting ring is ensured under the pressure maintaining state, the pressure is not larger, and flash is avoided.
The application adopts a five-speed five-pressure process to control and effectively adjust the speed and the pressure of the injection screw step by step, ensures that the bottle tube blank has no bubbles, is easy to demould and ensures the formation of hanging rings and the plumpness of the tube blank by controlling the pressure and the speed of five-section displacement of the injection screw.
In a preferred embodiment, in the process of forming bottle blanks of the infusion bottle (bag) with the model of 250ml by injection molding by using an ASB-150DPW bottle making machine, the five-speed five-press method comprises the following five stages in sequence:
the first stage: the screw in the bottle making machine runs at the position of 112mm to 100mm, the injection pressure is 1.25 to 1.35MPa, and the injection speed is 75 to 85 percent of the maximum speed;
and a second stage: the screw in the bottle making machine runs at the position of 100mm to 70mm, the injection pressure is 1.25 to 1.35MPa, and the injection speed is 65 to 75 percent of the maximum speed;
and a third stage: the screw in the bottle making machine runs at the position of 70mm to 45mm, the injection pressure is 1.15 to 1.25MPa, and the injection speed is 65 to 75 percent of the maximum speed; the total injection time of the first stage to the third stage is 1.1 to 1.26 seconds;
fourth stage: the screw in the bottle making machine runs at the position of 45mm to 4mm, the injection pressure is 0.75MPa, and the injection speed is 50-60% of the maximum speed; the injection time is 3.90-3.92s;
fifth stage: the screw in the bottle making machine runs at the position of 4mm to 0mm, the injection pressure is 0.60MPa, the injection speed is 40-50% of the maximum speed, and the injection time is 0.42-0.44s.
In a preferred embodiment, in the process of forming bottle blanks of the infusion bottle (bag) with the model of 250ml by injection molding by using an ASB-70DPW bottle making machine, the five-speed five-press method comprises the following five stages in sequence:
the first stage: the screw in the bottle making machine runs at the position of 80mm to 55mm, the injection pressure is 1.0 to 1.4MPa, and the injection speed is 70 to 90 percent of the maximum speed;
and a second stage: the screw in the bottle making machine runs at the position of 55mm to 33mm, the injection pressure is 1.1 to 1.3MPa, and the injection speed is 70 to 80 percent of the maximum speed;
and a third stage: the screw in the bottle making machine runs at the position of 33mm to 20mm, the injection pressure is 1.1 to 1.3MPa, and the injection speed is 60 to 70 percent of the maximum speed; the total injection time of the first stage to the third stage is 1.0 to 1.2s;
fourth stage: the screw in the bottle making machine runs at the position of 20mm to 4mm, the injection pressure is 0.5 to 0.7MPa, and the injection speed is 50 to 60 percent of the maximum speed; the injection time is 3-5s;
fifth stage: the screw in the bottle making machine runs at the position of 4mm to 0mm, the injection pressure is 0.3 to 0.5MPa, the injection speed is 30 to 50 percent of the maximum speed, and the injection time is 0.3 to 0.34s.
In a preferred embodiment, the step of stretch pre-blowing the preform to form the body comprises: a) Pre-blow molding, namely firstly, temperature adjustment is carried out on the bottle embryo through heating, and then, the bottle embryo is pre-blow molded; b) Blow molding, the bottle blank obtained in the step a) is subjected to blow molding, and the blow molding comprises the following steps: b1 Under the action of a movable stretching rod, the bottle embryo is stretched under the first pressure, and meanwhile clean low-pressure blowing is carried out, so that the bottom of the bottle embryo is propped against the bottom of the bottle blowing mould by the stretching rod; b2 Introducing clean high-pressure compressed air into the cavity of the bottle embryo under the second pressure to shape the bottle embryo intoA desired bottle shape; wherein the second pressure is higher than the first pressure; c) And d) demolding, namely ejecting out the bottle body finished product obtained in the step b) to obtain an infusion bottle (bag) finished product. Preferably, the diameter of the bottle embryo obtained in the step a) is gradually reduced from top to bottom, and the diameter of the bottle body of the bottle embryo obtained in the step b) is gradually increased from top to bottom, so that demolding is facilitated, and bottom abrasion leakage is prevented. More preferably, the blowing pressure in step b) is 7-9kg/cm 2 The blow molding temperature is 90-100 ℃.
According to the preparation method of the application, the bottle body in the S2 is prepared from a medical grade polypropylene material, and the medical grade polypropylene material can be different from the polypropylene material for preparing the bottle cap in melt index. The medical polypropylene material used for the bottle body can be prepared into a tube blank after being melted at 180-220 ℃ and used for the subsequent five-speed five-pressure preparation process.
Meanwhile, the application also provides a pressure-adjustable medical flushing fluid easy-open package which is prepared by the method. The pressure-adjustable medical flushing fluid easy-open package has the advantages that the easy-open bottle cap with the easy-pull ring structure part formed by connecting spiral-line indentations is adopted, so that the easy-open package is easy to open when in use, the size of an easy-open package opening (the flow and the pressure of a solution are convenient to control) can be effectively controlled, the flushing effect is improved, pollution is avoided, the medical flushing fluid easy-open package is very suitable for the use of a medical sterile flushing fluid packaging container, the labor intensity of medical staff can be reduced, and the medical staff can flush wounds of patients and treat various medical appliances more quickly and conveniently.
In addition, the application also provides an adjustable pressure easy-open medical flushing fluid product, which comprises an adjustable pressure easy-open medical flushing fluid package and flushing fluid filled in the easy-open medical flushing fluid package, wherein the easy-open medical flushing fluid package is prepared by the method.
The above-mentioned rinse liquid products according to the application, in which the composition and the content of the composition of the rinse liquid are not particularly critical, can be referred toConventional rinsing solutions used in the art, preferably having a sodium chloride concentration of 0.9g/ml and a pH ofSodium chloride solution of (a); more preferably, the rinse solution is a rinse solution obtained by sterilizing and filtering the solution through a membrane having a filter pore size of 0.1 to 0.2. Mu.m. The filtering membrane used may be one conventionally used in the art, as long as the size of the filtering pores meets the requirements.
The above-mentioned rinse solution product according to the present application, in which there is no particular requirement for the method of filling the rinse solution, can be referred to the conventional methods in the art, for example, filling the rinse solution into the internal cavity of the body in the pressure-adjustable medical rinse solution easy-open package under hundred-level laminar flow protection, then simultaneously heating the bottle cap and the bottle cap of the body, and heat-welding the bottle cap and the bottle mouth of the body to form the rinse solution product.
The flushing liquid product according to the application further comprises subsequent treatment steps such as high-temperature sterilization treatment and labeling after forming the flushing liquid product. Preferably, the conditions of the high temperature sterilization treatment include maintaining at 115-121 ℃ for 10-30min.
The flushing liquid product provided by the application is easy to open in use by adopting the easy-to-open bottle cap with the easy-to-open ring structure part formed by connecting the spiral-pattern indentations, the size of the opening of the easy-to-open package can be effectively controlled (the flow and the pressure of the solution are conveniently controlled), the flushing effect is improved, the pollution is avoided, the flushing liquid product is very suitable for the use of the easy-to-open package of the medical sterile flushing liquid, the labor intensity of medical staff can be reduced, and the flushing of wounds of patients and the treatment of various medical appliances by the medical staff can be more rapid and convenient.
The above description is only of the preferred embodiments of the present application and is not intended to limit the present application, but various modifications and variations can be made to the present application by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the protection scope of the present application.
Claims (10)
1. The preparation method of the pressure-adjustable medical flushing fluid easy-open package is characterized by comprising the following steps of:
s1, preparing a bottle cap;
s2, preparing a bottle body, wherein the bottle body comprises a bottle opening structure matched with the bottle cap structure;
the bottle cap in the step S1 comprises an easy-to-open bottle cap, wherein the easy-to-open bottle cap comprises a top wall and a side wall vertically connected with the edge of the top wall, and the top wall is provided with an easy-to-pull ring structure part formed by connecting spiral threads and indentations; the easy-open bottle cap is formed by injecting molten polypropylene material into an integrally formed injection mold for injection molding.
2. The method of manufacturing a ring-pull lid according to claim 1, wherein the ring-pull tab structure of the ring-pull lid comprises a circular seal at the center and an annular seal spirally arranged around the circular seal, wherein the starting end of the annular seal is fixedly connected with the circular seal, and the remaining part of the annular seal is connected with the circular seal indentation.
3. The method according to claim 2, wherein the annular seal comprises at least two sub-annular seals connected by indentation end to end, the tail end of the inner sub-annular seal is fixedly connected with the start end of the outer sub-annular seal, and the other sub-annular seals are connected by indentation end to end;
the starting end of each sub-annular seal along the rotation direction is provided with a semicircular structure.
4. The method of manufacturing as claimed in claim 2, wherein the ring pull tab structure of the easy-to-open bottle cap further comprises a pull tab fixedly connected to the circular seal, one end of the pull tab being embedded in the annular seal and connected to the annular seal by indentation, and the other end protruding outside the top wall.
5. The manufacturing method according to claim 1, wherein an arrow indicating a pulling direction of the opening tab structure portion is formed on a surface of the opening tab structure portion of the opening tab closure located outside the opening tab structure portion.
6. The method according to claim 1, wherein the S1 bottle cap further comprises a protective outer cap, the protective outer cap is structurally matched with the easy-to-open bottle cap, and the protective outer cap can be sleeved on the outer side of the easy-to-open bottle cap.
7. The method according to claim 6, wherein the outer side of the sidewall of the easy-to-open bottle cap in S1 is formed with an annular supporting part; the annular supporting part is matched with the protecting outer cover in structure and can support and fix the protecting outer cover.
8. The method according to claim 1, wherein the step of preparing the body in S2 comprises:
s21, adopting a five-speed five-pressure method to prepare a bottle blank by injection molding;
s22, stretching and pre-blowing the bottle blank to prepare the bottle body.
9. The method of claim 8, wherein the step of preparing the body in S2 further comprises:
s23, forming liquid level scales marked from bottom to top and/or liquid level scales marked from top to bottom on the bottle body.
10. A pressure-adjustable medical rinse liquid easy-open package, characterized in that the pressure-adjustable medical rinse liquid easy-open package is prepared by the method of any one of claims 1 to 9.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710152723.7A CN106821747B (en) | 2017-03-14 | 2017-03-14 | Pressure-adjustable medical flushing fluid easy-open package and preparation method thereof |
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| CN201710152723.7A CN106821747B (en) | 2017-03-14 | 2017-03-14 | Pressure-adjustable medical flushing fluid easy-open package and preparation method thereof |
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| CN106821747B true CN106821747B (en) | 2023-09-05 |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2130778Y (en) * | 1992-05-23 | 1993-04-28 | 林文雄 | Improved structure of easily opened bottle cap |
| JP2000281114A (en) * | 1999-03-25 | 2000-10-10 | Dojji Shokai:Kk | Seal cap structure for synthetic resin container for transfusion liquid |
| CN202620228U (en) * | 2012-03-23 | 2012-12-26 | 四川科伦药业股份有限公司 | Flushing bottle cap |
| CN102862725A (en) * | 2012-10-15 | 2013-01-09 | 宁波三泰轴承有限公司 | Dust keeper of pop can |
| CN204872143U (en) * | 2015-06-05 | 2015-12-16 | 姜跃忠 | Can seal upper and lower disjunctor anti -theft bottle cap of two plastics beverage bottles |
| CN205460104U (en) * | 2016-01-20 | 2016-08-17 | 何海硕 | With supporting easy -to -draw formula bung that uses of medical concentrated dislysate bucket |
-
2017
- 2017-03-14 CN CN201710152723.7A patent/CN106821747B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2130778Y (en) * | 1992-05-23 | 1993-04-28 | 林文雄 | Improved structure of easily opened bottle cap |
| JP2000281114A (en) * | 1999-03-25 | 2000-10-10 | Dojji Shokai:Kk | Seal cap structure for synthetic resin container for transfusion liquid |
| CN202620228U (en) * | 2012-03-23 | 2012-12-26 | 四川科伦药业股份有限公司 | Flushing bottle cap |
| CN102862725A (en) * | 2012-10-15 | 2013-01-09 | 宁波三泰轴承有限公司 | Dust keeper of pop can |
| CN204872143U (en) * | 2015-06-05 | 2015-12-16 | 姜跃忠 | Can seal upper and lower disjunctor anti -theft bottle cap of two plastics beverage bottles |
| CN205460104U (en) * | 2016-01-20 | 2016-08-17 | 何海硕 | With supporting easy -to -draw formula bung that uses of medical concentrated dislysate bucket |
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| CN106821747A (en) | 2017-06-13 |
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