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Drive mechanism for drug delivery pumps with integrated status indication

A state indication and mechanism technology, applied in the direction of devices introduced into the body, pressure infusion, drug devices, etc.

Inactive Publication Date: 2014-04-30
UNITRACT SYRINGE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, manual injectors and injection pens are not universally applicable and are not the best for delivering all medicines

Method used

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  • Drive mechanism for drug delivery pumps with integrated status indication
  • Drive mechanism for drug delivery pumps with integrated status indication
  • Drive mechanism for drug delivery pumps with integrated status indication

Examples

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Embodiment Construction

[0038] As used herein to describe any relative position of the drive mechanism, drug delivery pump, or assembly of the invention, the terms "axial" or "axially" generally refer to the drive mechanism around its preferred longitudinal axis "A ”, however not necessarily symmetrical about the longitudinal axis “A”. The term "radial" generally refers to a direction perpendicular to the axis A. The terms "adjacent", "rearward", "rearward", "rearward" or "rearward" generally refer to an axial direction in the direction "P". The terms "distal", "anterior", "forward", "depressed" or "forward" generally refer to an axial direction in the "D" direction. As used herein, the term "glass" should be understood to include other similar non-reactive materials suitable for pharmaceutical grade applications where glass is often required, including but not limited to certain non-reactive polymers such as cyclic olefin copolymers (COC) and cyclic olefin polymer (COP). The term "plastic" may in...

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PUM

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Abstract

A drive mechanism (100) having integrated status indication includes a drive housing (130), a status switch interconnect (132), a drive biasing member (122), a piston (110), and a drug container (50) having a cap (52), a pierceable seal (56), a barrel (58), and a plunger seal (60), wherein the drive biasing member (122) is configured to bear upon an interface surface (110C) of the piston (110). Drive mechanism (100) may include an incremental status stem (650) having a stem interconnect (652), wherein the stem (650) resides within the drive housing (630) and the piston (610), and wherein the stem (650) has an interconnect which engages one or more contacts on the piston (610) to provide incremental feedback. A drug delivery pump (10) with integrated status indication includes a housing (12) and an assembly platform (20), upon which an activation mechanism (14), an insertion mechanism (200), a fluid pathway connection (300), a power and control system (400), and the drive mechanism (100) having a drug container (50) may be mounted.

Description

[0001] Cross-reference to related applications [0002] This application claims priority to US Provisional Application No. 61 / 530,788, filed September 2, 2011, the contents of which are incorporated herein by reference in their entirety. technical field [0003] The present invention relates to drug delivery pumps. More particularly, the present invention relates to drive mechanisms with integrated status indication, drug delivery pumps with state integrated drive mechanisms, methods of operating said devices, and methods of assembling said devices. Background technique [0004] Parenteral delivery (ie, delivery other than through the digestive tract) of various drugs has become the desired method of drug delivery for a number of reasons. This form of drug delivery via injection enhances the effect of the delivered substance and ensures that the unchanged drug reaches the desired site in effective concentrations. Likewise, undesired side effects associated with other route...

Claims

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Application Information

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IPC IPC(8): A61M5/145
CPCA61M2205/58A61M5/14566A61M5/1452A61M5/172A61M2005/14506
Inventor S·M·奥康纳K·博克曼I·B·汉森P·F·本特四世
Owner UNITRACT SYRINGE
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