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Drive unit for medicament delivery device

A technology of driving unit and delivery device, which is applied in the direction of medicine equipment, infusion set, automatic injector, etc., can solve problems such as increasing complexity

Active Publication Date: 2022-07-19
SHL MEDICAL AG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

For linear movement of parts, a function is usually required for each movement, which adds complexity when multiple functions need to be included in a drug delivery device

Method used

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  • Drive unit for medicament delivery device
  • Drive unit for medicament delivery device
  • Drive unit for medicament delivery device

Examples

Experimental program
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Embodiment Construction

[0025] In the following detailed description, reference will be made to the accompanying drawings, which form a part of this specification. Similar symbols throughout the drawings typically identify similar parts, unless context dictates otherwise. The exemplary embodiments described in the detailed description, drawings and claims are not meant to be limiting. Other embodiments may be utilized, and other changes may be made, without departing from the spirit or scope of the subject matter described herein. It will be appreciated that the various aspects of the present disclosure generally described herein and illustrated in the accompanying drawings may be arranged, substituted, combined, split and designed in many different configurations, all of which are expressly contemplated. this.

[0026] In this disclosure, when the term "distal portion / distal end" is used, it refers to the portion / end of the delivery device or member thereof that is furthest from the patient's site...

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Abstract

The application includes a drive unit (110; 328) for a medicament delivery device, the drive unit comprising an elongated plunger rod (112; 346) extending longitudinally; ; 346) a driving force element (114; 418) applying a driving force on it; an actuating member (160; 376) operatively connected to said elongated plunger rod (112; 346) for Releasably holding said elongated plunger rod (112; 346) in a charged state when a driving force element (114; 418) exerts a driving force on said elongated plunger rod (112; 346); activated a member (180; 398) operatively connected to said actuating member (160; 376) for releasably holding said actuating member (160; 376) in a holding position, characterized in that , said actuating member (160; 376) is designed to be movable from a holding position in a direction substantially transverse to said longitudinal direction when the activating member (180; 398) is displaced to release said plunger rod (112; 346) .

Description

technical field [0001] The present disclosure relates to medicament delivery devices, and more particularly, to a medicament delivery device having a number of automated functions for ease of use. Background technique [0002] Many auto-injector solutions include many components that move substantially linearly within an elongated housing to activate and / or perform different functions of the drug delivery device, such as penetration, injection, withdrawal, drug delivery member shield extension. Linear movement of components typically requires one function per movement, which adds to the complexity when multiple functions need to be included in a medicament delivery device. [0003] Document WO 2011 / 123024 discloses a medicament delivery device with multiple functions, which functions are triggered automatically in sequence when the medicament delivery device is used. In order to provide different functions with as few parts as possible, tubular operating members or rotating...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A61M5/20A61M5/315A61M5/32
CPCA61M5/2033A61M5/3157A61M5/3202A61M2005/208A61M2005/3247A61M2005/3267A61M2205/581A61M2205/582A61M5/31576A61M5/31583A61M2005/2086A61M2005/2073
Inventor E.安德烈A.霍尔姆奎斯特P.利安德L.奥德尔伯格
Owner SHL MEDICAL AG
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