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Safety Needle Device

A safety needle and needle insertion technology, which is used in blood sampling devices, needles, guide needles, etc.

Active Publication Date: 2022-03-18
BECTON DICKINSON & CO
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In addition, because the tip of the prior art retracting sleeve safety needle device is completely covered in the unlocked state, many users mistakenly believe that they are Needlestick injuries are 'safe'

Method used

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Examples

Experimental program
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Embodiment Construction

[0062] Before describing several exemplary embodiments of the invention, it is to be understood that the invention is not limited to the details of construction or process steps set forth in the following description. The invention is capable of other embodiments and of being practiced or carried out in various ways.

[0063] Regarding the terms used in the present invention, the following definitions are provided.

[0064] As used herein, the use of "a", "an" and "the" includes both the singular and the plural.

[0065] In the present invention, the convention is followed wherein the distal end of the device is the end closest to the patient and the proximal end of the device is the end away from the patient and closest to the physician.

[0066] As used herein, a "safe needle device" refers to a device having a needle suitable for injection that incorporates one or more features to prevent needle stick injuries. As used herein, "passive safety needle" refers to a safety ne...

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PUM

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Abstract

A safety needle device is disclosed that includes a hub, a needle cannula, a housing, a restraint, a retractable sleeve, a locking member, and a spring element. The tie is slidably disposed in the housing, the tie has a slot with an enlarged first guide path and a narrowed first guide path extending distally from the enlarged first guide path. Second guide path. The retractable sleeve is configured to move relative to the housing between an initial position, a retracted position, and an extended position, wherein the initial position partially exposes the distal tip of the needle cannula, the The retracted position fully exposes the needle cannula, and the extended position fully covers the distal tip of the needle cannula.

Description

technical field [0001] The present invention relates generally to a safety needle device, and more particularly, in particular embodiments, to a disposable passive safety needle device. Background technique [0002] Needle devices are used throughout the medical industry to inject and withdraw a wide variety of fluids and solutions into and out of the human body. Due to the many potential hazards associated with the handling and manipulation of bodily fluids, particularly blood, there are a number of known safety features which are often incorporated into various types of needle devices to protect the physician from accidental exposed to the needle. [0003] Prior art safety needle devices contain several disadvantages, including retractable sleeves that require one or more of the following: long travel distances to activate the safety feature, multi-component retraction and locking elements, as well as undesirably significant forces against the patient's skin during activ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A61M5/32A61M25/06A61M5/158A61B5/15A61M5/42A61B5/153
CPCA61M5/3202A61M5/3243A61M5/326A61B5/150274A61B5/150389A61B5/150496A61B5/150633A61B5/153A61M2005/325A61M2005/3267A61B5/15003A61B5/150648A61M2005/3247A61M5/3257A61M5/3271A61B5/15A61B5/150022A61M25/06A61M5/3204
Inventor L·桑德斯P·史密斯E·P·布劳卡E·B·尼科尔斯
Owner BECTON DICKINSON & CO