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Dose-adjustable liquid medicine feeding device

A dose adjustment and dose technology, applied in the field of medical appliances, can solve problems such as affecting injection accuracy and easy rotation, and achieve the effects of simple adjustment method, easy operation and high dose adjustment accuracy

Active Publication Date: 2021-08-10
JIANGSU DELFU MEDICAL DEVICES CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The technical problem to be solved by the present invention is: in order to solve the technical problem in the prior art that the rotating sleeve of the injection pen is easy to rotate under the action of external force during the injection process, which affects the injection accuracy, the present invention provides an adjustable dosage of medicinal liquid Delivery device, when in use, can adjust the injection dose according to the situation of different patients, the adjustment accuracy is high, and the injection dose is not easily affected by external force during the injection process, easy to use, and easy to meet the treatment needs of patients

Method used

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Embodiment Construction

[0053] Embodiments of the present invention are described in detail below, examples of which are shown in the drawings, wherein the same or similar reference numerals designate the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the figures are exemplary only for explaining the present invention and should not be construed as limiting the present invention.

[0054] Such as Figure 1 to Figure 10 As shown, it is the most preferred embodiment of the present invention, a drug delivery device with adjustable dose, including a pen holder 100, an adjustment assembly 400 and an injection device 300, refer to figure 1 and figure 2 , the pen holder 100 is provided with an accommodating chamber 11 along the axial direction, and the rear end of the pen holder 100 is provided with an injection button. The front end of the pen holder 100 is an injection needle end. The parts are arranged axially along...

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Abstract

The invention relates to the technical field of medical instruments, in particular to a dose-adjustable liquid medicine feeding device, which comprises a pen container, wherein a containing cavity is formed in the pen container in the axial direction, a pen cap is arranged at the front end of the pen container, the front end of the pen container is an injection needle end; the dosage-adjustable liquid medicine feeding device further comprises an injection device and an adjusting assembly, wherein the injection device comprises an injection part which is movably arranged in the containing cavity, and the adjusting assembly comprises a fixedly-arranged limiting piece and a movably-arranged dose adjusting piece; a plurality of dose adjusting grooves are formed in the inner side wall of the pen container in the axial direction, the lengths of the dose adjusting grooves being different; the dose adjusting part is provided with a sliding part in sliding fit with the dose adjusting groove,wherein the limiting part limits the injection part to move only close to the injection needle end, and the dose adjustment member is limited to only move away from the injection needle end relative to the injection member. According to the dosage-adjustable liquid medicine feeding device, the injection dosage can be adjusted according to the conditions of different patients, and the injection dosage is not prone to being affected by external force in the injection process.

Description

technical field [0001] The invention relates to the technical field of medical appliances, in particular to a medicinal liquid delivery device with adjustable dosage. Background technique [0002] At present, for some special clinical patients, such as diabetic patients, hepatitis patients, etc., it is necessary to inject insulin, interferon, growth hormone, vaccines, etc. on different occasions by themselves. Choose to inject different doses of medicines. [0003] The injection volume of the existing medicinal liquid delivery device for injection is generally fixed, and it is inconvenient to adjust the injection dose according to the situation of different patients during use, and the structure is complicated, which is inconvenient for injection operation. In addition, the current Some injection pens capable of adjusting the injection dose have disadvantages such as high price, complex structure, and inconvenient use. [0004] The Chinese patent with the existing publicat...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61M5/178A61M5/31
CPCA61M5/178A61M5/3155A61M5/31551
Inventor 许云初王少锋吴军美何艳章烨
Owner JIANGSU DELFU MEDICAL DEVICES CO LTD
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