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Reusable glass-imitation injector

A technology for syringes and syringe barrels, which is applied in the direction of syringes, veterinary instruments, infusion sets, etc., and can solve the problems that affect the correct observation of the injection volume of the liquid medicine, and the injection of the liquid medicine containing air into the animal body, etc.

Active Publication Date: 2016-07-06
CAINA TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, in actual use, the transparency requirements of veterinary syringes are still higher than the transparency displayed by the TPX syringe itself, because when injecting, it is necessary to observe whether the liquid in the syringe barrel contains air bubbles, and the liquid containing air cannot be injected into animals. Therefore, TPX syringes with higher transparency are required; in addition, even syringes made of TPX materials are expected to be used more times to achieve the purpose of real repeated use; When TPX syringes or other syringes are used in the area, there will be fogging due to the air conditioner or heating in the room, and the temperature inside and outside the syringe will be different, which will affect the correct observation of the injection volume of the drug solution by the veterinary workers.

Method used

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  • Reusable glass-imitation injector

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0038] Reusable imitation glass syringes such as figure 1 As shown, it includes a syringe barrel 1, a piston 2 and a core rod 3 made of a resin material containing 4-methyl-1-pentene polymer; the piston 2 is installed at the front end of the core rod 3 and is driven by the core rod 3 Move in the syringe barrel 1; the resin material layer 4 of the 4-methyl-1-pentene polymer is made from the following raw materials in parts by weight:

[0039] 97 parts of homopolymer of 4-methyl-1-pentene

[0040] 25 parts of polylactic acid

[0041] Acetyl tributyl citrate 10 parts

[0042] POE7 copies.

[0043] The homopolymer of 4-methyl-1-pentene is catalyzed by a Ziegler-Natta catalyst or a metallocene catalyst to form a block, mixed with the other three components above, and then extruded and granulated. The homopolymer of 4-methyl-1-pentene has an intrinsic viscosity [η] measured in a decalin solvent at 135° C. in the range of 0.01 dl / g or more and less than 0.50 dl / g and satisfies the ...

Embodiment 2

[0045] Such as Figure 6 to Figure 8 As shown, the syringe barrel 1 is composed of two layers of 4-methyl-1-pentene polymer resin material layers 4, and the outermost 4-methyl-1-pentene polymer resin material layer 4 (its composition and preparation method are the same as those in Example 1), the number 5 is hot stamped on the outer surface, and the resin material layer 4 of the outermost layer of 4-methyl-1-pentene polymer is hollow, and the inner layer is A magnetized black iron needle 9, which can slide in the hollow space 10 of the resin material layer 4 of the outermost 4-methyl-1-pentene polymer; the piston 2 is fixed with Block magnet 11, magnet 11 places the below of black iron needle 9 vertical direction on the space. The roller 12 made of the resin material of 4-methyl-1-pentene polymer is set below the iron needle 9, so that the iron needle 9 can be placed on the surface of the outermost 4-methyl-1-pentene polymer. The resin material layer 4 rolls in the hollow sp...

Embodiment 3

[0047] Such as Figure 9 to Figure 14 As shown, the innermost 4-methyl-1-pentene polymer resin material layer 4 in contact with the piston 2 (its composition and preparation method are the same as in Example 1) has hot stamping number 5 on the surface ,same figure 2 , the innermost 4-methyl-1-pentene polymer resin material layer 4 is provided with a locking part 13 that prevents the core rod 3 and the piston 2 from further retreating, and the locking part 13 is located at the end of the number mark 5 Directly below a digital mark; directly above the resin material layer 4 of at least two layers of 4-methyl-1-pentene polymers where the digital mark 5 is located, there is an additional layer of 4-methyl-1-pentene The polymer-like resin material layer 4, its end is fixed on the outermost 4-methyl-1-pentene polymer resin material layer 4 of the aforementioned at least two layers, which is close to the cone shape, and the additional The other end of the resin material layer 4 of...

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Abstract

The invention discloses a reusable glass-imitation injector. The reusable glass-imitation injector comprises an injector barrel made by resin materials containing 4-methyl-1-amylene polymers, and the injector barrel is formed by at least two resin material layers made of 4-methyl-1-amylene polymers. The resin material layers made of the 4-methyl-1-amylene polymers are prepared from, by weight, 95-99 parts of homopolymerized polymers of 4-methyl-1-amylene, 20-30 parts of polylactic acid, 5-15 parts of acetyl tributyl citrate and 5-10 parts of POE. According to the reusable glass-imitation injector, resin formed by mixing TPX and polylactic resin serves as barrel materials, the transparency is higher, and whether bubbles exist in medicine liquid or not is more conveniently observed during injecting; as the multiplayer barrel imitates the animal exuviating mode, the outer eliminative barrel layer is removed, and the reusable times of the glass-imitation injector are increased; as a color film and a colorimetric plate are arranged, observing generated during fogging is further achieved.

Description

technical field [0001] The invention relates to the technical field of veterinary syringes, in particular to a reusable imitation glass syringe. Background technique [0002] At present, TPX syringes have appeared on the market, which have a longer service life than metal injection and PC material syringes, and are cost-effective. TPX is a highly crystalline transparent medical material with a specific gravity of 0.83. TPX has excellent acid and alkali resistance, chemical corrosion resistance, and organic solvent resistance. Unlike other transparent plastic materials, it is easily cracked by solvents during use. However, in actual use, the transparency requirements for veterinary syringes are still higher than the transparency displayed by the TPX syringe itself, because it is necessary to observe whether the liquid in the syringe barrel contains air bubbles during injection, and the liquid containing air cannot be injected into animals. Therefore, TPX syringes with higher...

Claims

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Application Information

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IPC IPC(8): A61D7/00A61M5/178C08L23/20C08L67/04C08L23/08C08K5/11
CPCA61D7/00A61M5/178C08L23/20C08L2205/03C08L67/04C08L23/0815C08K5/11
Inventor 陆军赵丽杰倪琳
Owner CAINA TECH CO LTD
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