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Infusion bag joint and manufacturing method thereof and accessory for infusion bags

An infusion bag and interface technology, which is applied in the field of accessories for infusion bags, interfaces for infusion bags and their preparation, can solve the problems of waste of materials, large amount of infusion, etc., and achieve easy molding, low production cost, and simple preparation methods Effect

Active Publication Date: 2014-04-16
CHONGZHOU JUNJIAN PLASTIC CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The interface of the infusion bag is a one-time infusion container, which cannot be recycled and reused. In addition, my country is a country with a large population and a large medical care country. The daily infusion volume is astonishingly large, and the waste of materials is serious.

Method used

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  • Infusion bag joint and manufacturing method thereof and accessory for infusion bags
  • Infusion bag joint and manufacturing method thereof and accessory for infusion bags
  • Infusion bag joint and manufacturing method thereof and accessory for infusion bags

Examples

Experimental program
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Effect test

preparation example Construction

[0036] The preparation method of the above-mentioned infusion bag interface comprises the following steps:

[0037] (1) Preparation of interface material: feed the main raw material and auxiliary raw material into the extruder through the main feeder and auxiliary feeder respectively, the feeding speed is 50-80 r / min, under the condition of 200±20°C , extruded at a speed of 200-260r / min; cooled by circulating purified water at 30-40°C, air-dried at 0.5-1MPa, then added to a pelletizer with a rotating speed of 400-800 r / min, and the particle size is cut to Cylindrical granular particles of 0.3 to 0.6 cm;

[0038](2) Put the interface material obtained in (1) into the hopper of the injection molding machine, the barrel temperature is 180±15°C, the material temperature is 210±20°C, the mold temperature is 40±5°C, the injection pressure is 120±20 MPa, and the mold is locked The time is 15-25s, and the mold is opened to form the interface.

[0039] (3) The main raw material in (1...

Embodiment 1

[0043] (1) Add the main raw material to the main feeder, add auxiliary raw materials to the auxiliary feeder, and obtain the interface material after extrusion, cooling, air drying and pelletizing. The preparation process conditions are as follows: the feeding speed of the main and auxiliary feeders is 60r / min and 50r / min respectively; 200°C, 210°C, 220°C; screw speed 200 r / min; circulating purified water 30°C; air speed 0.5MPa; granulator speed 400 r / min; 0.3~0.6cm.

[0044] (2) Put the interface material into the injection molding machine for injection molding. The barrel temperature is 165°C, the material temperature is 190°C, the mold temperature is 35°C, the injection pressure is 100 MPa, the mold clamping time is 15s, and the mold is opened to obtain a molding interface.

Embodiment 2

[0046] (1) Add the main raw material to the main feeder, add auxiliary raw materials to the auxiliary feeder, and obtain the interface material after extrusion, cooling, air drying and pelletizing. The preparation process conditions are as follows: the feeding speeds of the main and auxiliary feeders are 70r / min and 70r / min respectively; 210°C, 210°C, 220°C; screw speed 230 r / min; circulating purified water 35°C; air speed 0.7MPa; granulator speed 600 r / min; 0.3~0.6cm;

[0047] (2) Put the interface material into the injection molding machine for injection molding. The barrel temperature is 190°C, the material temperature is 210°C, the mold temperature is 35°C, the injection pressure is 120 MPa, the mold clamping time is 18s, and the mold is opened to obtain a molding interface.

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Abstract

The invention discloses an infusion bag joint and a manufacturing method thereof and an accessory for infusion bags. The infusion bag joint comprises a welded ring and an infusion tube which are formed integrally, wherein the welded ring is arranged at the upper end of the infusion tube, a through hole running through the infusion tube along the length direction is arranged inside the welded ring and the infusion tube, and the inner wall and the outer wall of the infusion tube are reduced gradually from top to bottom according to the taper degree. The infusion bag joint is simple in structure, easy to form and low in production cost, the appearance of the infusion is designed to be flat prismatic, so that the infusion bag joint can be welded conveniently without special weld ribs and weld tail lugs arranged at the connecting end, sealing effect is achieved while liquid leakage is avoided. In addition, the manufacturing method of the infusion bag joint is simple and includes two steps only, demoulding is easy to implement, production efficiency is high, and production cost is low.

Description

technical field [0001] The invention relates to the technical field of medical infusion packaging, in particular to an interface for an infusion bag, a preparation method thereof, and accessories for an infusion bag. Background technique [0002] In my country's large infusion products, the infusion bottle still occupies a dominant position at present. However, due to the self-shrinkage of the infusion bag, infusion can be performed without inserting an air catheter for ventilation during the infusion process, avoiding air pollution; Manufactured and filled under the conditions of a clean area, which reduces the pollution from the production and transportation process; the raw materials used are small in size, low in storage costs, and easy to transport. It has been applied clinically, and at the same time, according to the needs of clinical medication, double-chamber or multi-chamber infusion bags have begun to appear. It can be seen that these characteristics will endow inf...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A61J1/14
Inventor 程志鹏赵立品谢友顺杨艳梅范稀李勇
Owner CHONGZHOU JUNJIAN PLASTIC CO LTD