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Disposable insulin injection pen with adjustable dosage

A disposable technology for insulin injection, applied in syringes, infusion sets, etc., which can solve problems such as inconvenient use, large volume, and inconvenient portability

Active Publication Date: 2010-09-15
中山汇丰医用包装科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The purpose of the present invention is to solve the problems of large size, inconvenient portability or inconvenient use in existing insulin syringes, and provide a disposable adjustable metering insulin injection pen that is easy to use and easy to carry

Method used

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  • Disposable insulin injection pen with adjustable dosage
  • Disposable insulin injection pen with adjustable dosage
  • Disposable insulin injection pen with adjustable dosage

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Experimental program
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Effect test

Embodiment Construction

[0039] See figure 1 As shown, the disposable adjustable metering insulin injection pen includes a pen cap ( Figure 12 ), a needle 101, an injection tube 102 with a built-in piston 103, an injection sleeve 1, a positioning block 2, a screw rod 3, a nut tube 4, a fixing tube 5, a coil tube 6, a clutch tube 7, a scale positioner 8 and a button 9, And the clutch spring 10, wherein the pharmaceutical factory uses the piston 103 to seal the tail after injecting the insulin injection into the injection tube 102.

[0040] See Figure 7 The three-dimensional enlarged view of the screw shown in another angle, the overall appearance of the screw is "T" shape, the front end is a pressure head 33, the two sides of the screw are respectively cut off part of the thread along the axial direction to form two parallel cut surfaces 31, and the two cut surfaces 31 The screw surfaces in between are threads 32 .

[0041] See figure 2 Shown positioning block center has guide hole 25, the size ...

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Abstract

The invention relates to a disposable insulin injection pen with adjustable dosage and convenient use and carrying, which comprises a pen cap, a needle head, an injection pipe internally provided with a piston and filled with drugs in advance, an injection sleeve, a positioning block, a screw, a nut pipe, a fixing pipe, a coil pipe, a clutch pipe, a scale positioning device and a button, wherein 0-60 scales which can be observed by a window of the fixing pipe are marked on the coil pipe, a clutch is formed by a face tooth of the clutch pipe and a tooth socket of the coil pipe so as to ensure the dosage is repeatedly adjusted to the accurate position before use, the clutch is switched on by pressing the button, the coil pipe drives the clutch pipe and the nut pipe to rotate by the interaction of a spiral bar of the fixing pipe and a spiral groove of the coil pipe, and thereby ensuring that the screw is pushed forwards to extrude the drugs in the injection pipe out. The screw can not be pushed backwards after use, which avoids repeated use. The invention integrates insulin with the injection pen, and can be discarded after use because a patient can not replace the injection pipe.

Description

technical field [0001] The invention relates to an insulin injection pen, in particular to a one-time adjustable insulin injection pen. Background technique [0002] Diabetics or other patients who need to self-medicate often need to inject themselves with liquid medicine on different occasions. It is inconvenient for ordinary patients to use old-style disposable syringes and cannot effectively achieve accurate medication. [0003] In the Chinese patent CN201055550Y published on May 7, 2008, a "pain-free insulin injection pen" is disclosed, which mainly includes an ejection box, a needle holder, a clutch key, an ejection spring, an injection needle, a needle cover and a touch metering device Composition, the ejection box is a cuboid or cylinder, the box is equipped with a touch metering device and a clutch key, the reed on the clutch key is matched with the sliding needle clip locking groove in the ejection box, and the needle clip is connected to the ejection box through th...

Claims

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Application Information

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IPC IPC(8): A61M5/178
Inventor 邓源基
Owner 中山汇丰医用包装科技有限公司
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