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Continuous injection device

An injection device and injection head technology, which is applied to syringes, infusion sets, etc., can solve the problems of large production impact, cumbersome feeding, low injection efficiency, etc., and achieve the effects of simple structure, less pollution, and easy production.

Pending Publication Date: 2018-08-14
HRG INT INST FOR RES & INNOVATION
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Most of the current injection devices need to remove the injection device after each injection, re-inject the material from the injection port, and then inject. The injection efficiency of such injection devices is relatively low, and it is cumbersome to add materials each time, and it is inconvenient. Injection metering has a great impact on production

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0021] Such as Figure 1-6 As shown, a continuous injection device includes a syringe 1 , a piston rod 2 , a pipette head 3 , a first blocking head 4 , a first spring 5 , an injection head 6 , a second blocking head 7 and a second spring 8 .

[0022] A piston rod 2 is installed at one end of the injection tube 1, and the piston rod 2 can reciprocate in the injection tube 1 under the action of an external force.

[0023] The other end of injection pipe 1 is bifurcated into feed pipe 11 and discharge pipe 12; shaped plate and some petal-shaped holes around the circular plate; discharge pipe 12 includes a front section and a back section, the pipe diameter of the front section is greater than the pipe diameter of the back section, and the front section is connected to the back section by a step of 45° chamfering, and the front section is close to The outlet end of the discharge pipe 12.

[0024] The suction pipe head 3 comprises a front section and a back section, the pipe diam...

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PUM

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Abstract

The invention relates to the field of material injection and discloses a continuous injection device. The continuous injection device comprises an injection tube, a piston rod, a suction tube head, afirst retaining head, a first spring, an injection head, a second retaining head and a second spring. The piston rod is mounted at one end of the injection tube while the other end is branched into afeeding tube and a discharging tube. The suction tube head is connected with the feeding tube, the first retaining head is mounted in the suction tube head, and one end of the first spring is connected with the feeding tube while the other end is connected with the first retaining head. The injection head is connected with the discharging tube, the second retaining head is mounted in the injectionhead, and one end of the second spring is connected with the injection head while the other end is connected with the second retaining head. The continuous injection device has advantages of continuous injection, simple structure, economy, practicality, easiness in production, low pollution and universality.

Description

technical field [0001] The invention relates to the field of material body injection, in particular to a continuous injection device. Background technique [0002] Injection is a drug administration method in which a sterile syringe or infusion set is used to directly inject medicinal liquid into animal tissues, body cavities or blood vessels. Most of the current injection devices need to remove the injection device after each injection, re-inject the material from the injection port, and then inject. The injection efficiency of such injection devices is relatively low, and it is cumbersome to add materials each time, and it is inconvenient. Injection metering has a great impact on production. Contents of the invention [0003] The technical problem to be solved by the present invention is to provide a continuous injection device that can realize continuous injection. [0004] The present invention solves the above-mentioned technical problems through the following techn...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61M5/178A61M5/31
CPCA61M5/178A61M5/31A61M2005/3114A61M2005/1787
Inventor 顾仓王毓于振中李文兴
Owner HRG INT INST FOR RES & INNOVATION