Needle tip cover

Inactive Publication Date: 2006-02-28
BECTON DICKINSON & CO
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

[0010]The invention most preferably is a needle and cover for use with a needle having an elongate shank relative to an axis thereof. The needle has a tip at one axial end with a sharpened point. The cover is coaxially associated with the elongate shank for sliding movement therealong toward the tip. The cover includes a part for extending along th

Problems solved by technology

All of them are cumbersome, expensive and interfere with the normal and accepted procedure for the insertion of an over the needle catheter.
Those needle

Method used

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Embodiment Construction

[0033]While this invention is satisfied by embodiments in many different forms, there is shown in the drawings and will herein be described in detail, a preferred embodiment and alternate embodiments of the invention, with the understanding that the present disclosure is to be considered as exemplary of the principles of the invention and is not intended to limit the invention to any one of the embodiments illustrated. The scope of the invention will be measured by the appended claims and their equivalents.

[0034]FIGS. 1 and 5 are side views of a catheter assembly 10 with a needle tip cover 11 wherein a needle 12 is fully seated within a catheter 13 of the catheter assembly 10. The needle 12 has an elongate shank 14 relative to an axis “A” thereof. The needle 12, preferably made of metal such as medical grade stainless steel, has a tip 15 at its distal axial end 16 terminating with a sharpened point 17. A cover 11 is coaxially associated with the elongate shank 14 for sliding movemen...

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Abstract

A needle and a cover with a needle having an elongate shank and a tip with a sharpened point. The cover is coaxially associated with the elongate shank for movement therealong toward the tip and includes a part for extending beyond the sharpened point when the cover is positioned near the tip. A lock associated with the needle and cover cooperates with and holds the cover to prevent axial movement relative to the needle tip after positioning the cover near the tip. A retaining member on the adapter and on the cover releasably attach the cover to the adapter while on the elongate shank of the needle allowing the needle and cover to be disengaged from the catheter and adapter after placement.

Description

[0001]This application is a division of patent application Ser. No. 08 / 364,071 filed Dec. 27, 1994, now U.S. Pat. No. 5,558,691, which is a continuation of patent application Ser. No. 08 / 114,988 filed Aug. 12, 1993, now abandoned, which is a continuation of patent application Ser. No. 07 / 512,284 filed Apr. 20, 1990, now abandoned.FIELD OF THE INVENTION[0002]This invention relates to a needle tip cover to prevent transmission of infection and more particularly, relates to a tip cover for locking about the tip of a disposable needle after use to prevent accidental delivery of infectious organisms by penetration of the used needle tip into an animal.BACKGROUND OF THE INVENTION[0003]With concern about infection, transmission of AIDS, hepatitis and similar incurable diseases of the blood, methods and devices to enclose the used disposable needle tip have become very important and in great demand. Many approaches to guard the needle, protect users and / or otherwise prevent injury have been...

Claims

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Application Information

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IPC IPC(8): A61M5/00A61M25/06
CPCA61M5/3273A61M25/0618A61M2005/325
Inventor CRAWFORD, MARK A.ERSKINE, TIMOTHY J.PETERSON, GERALD H.
Owner BECTON DICKINSON & CO
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