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Auto injector with automatic needle shielding

An automatic injector and driver technology, applied in the field of injectors, can solve the problems of poor drug effect and loss, etc.

Active Publication Date: 2012-09-19
邦奥鲁夫森梅迪康股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Other medicines must be mixed with liquids immediately before injection because the effects of the medicines deteriorate and lose quickly after mixing with liquids

Method used

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  • Auto injector with automatic needle shielding
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  • Auto injector with automatic needle shielding

Examples

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Embodiment Construction

[0050] The drawings are schematic and simplified for the sake of clarity, and they only show details that are necessary for understanding the invention, while other details have been omitted. Throughout the text, the same reference numerals are used for the same or corresponding parts.

[0051] It should be noted that this invention can be embodied in different forms in addition to the exemplary embodiments of the invention shown in the drawings and should not be considered as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concept of the invention to those skilled in the art.

[0052] figure 1 An example of an autoinjector 10 as defined in the appended claims is shown. The illustrated autoinjector 10 has an elongated cylindrical housing 12 with a proximal end 14 having a needle mounting site 16 shown in its retracted position. A cylindrical turn knob 18 is p...

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Abstract

The present invention relates to an auto injector, e.g. a disposable auto injector, that can be safely operated for automatic injection of a dose of medication by the recipient of the medication, having a housing for accommodation of a container with at least one compartment for accommodation of a medicament to be injected and a needle mounting site for user mounting of a needle covered by a needle cap before injection, and a needle shield that is accommodated in the housing in a retracted position before mounting of the needle and that is configured to be automatically moved forward to a protruded position by a needle shield driver upon mounting of the needle and removal of the needle cap.

Description

technical field [0001] The present invention relates to syringes that can be safely operated by a recipient of a medicament for automatically injecting a dose of medicament. Auto-injectors can be disposable. Background technique [0002] Autoinjectors are well known in the art. Autoinjectors are provided with varying degrees of automation, from automatic penetration only or automatic injection only to fully automatic functions including penetration, injection, withdrawal and protection of the needle. [0003] Some auto-injectors are used to deliver to the patient so-called ready-to-use medications packaged in a syringe, ampule or syringe in a liquid state, which can be stored for a long period of time before use. [0004] Other drugs must be mixed with a liquid immediately before injection because the effect of the drug deteriorates and is lost very quickly after mixing with the liquid. [0005] WO 2006 / 080893 A1 discloses an autoinjector with a needle shield. A needle w...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61M5/20A61M5/32A61M5/34
CPCA61M5/2033A61M2005/208A61M5/326A61M5/2066A61M5/20A61M5/3202A61M2005/3247A61M5/347A61M2005/206
Inventor 莫腾·弗里斯·卡尔森延斯·安德森·嘉德比耶·克努兹·安德尔森
Owner 邦奥鲁夫森梅迪康股份有限公司
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