Becton Dickinson and Co. has filed a patent for a medical injector with a cap remover. The injector includes a housing, a needle with a sharpened end, a first cap covering the needle, and a second cap covering part of the first cap. The second cap is designed to remove the first cap when it is removed. GlobalData’s report on Becton Dickinson and Co gives a 360-degree view of the company including its patenting strategy. Buy the report here.

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According to GlobalData’s company profile on Becton Dickinson and Co, Wearable drug delivery devices was a key innovation area identified from patents. Becton Dickinson and Co's grant share as of September 2023 was 56%. Grant share is based on the ratio of number of grants to total number of patents.

A medical injector with a removable cap

Source: United States Patent and Trademark Office (USPTO). Credit: Becton Dickinson and Co

A recently filed patent (Publication Number: US20230310754A1) describes a medical injector with a unique cap design for needle protection. The injector includes a housing and a needle with a sharpened end that extends from the housing. The sharpened end of the needle is covered by a first cap, which is further covered by a second cap.

The second cap has a cap body with a distal end, a proximal end, and an interior wall. The interior wall has at least one protrusion that extends inwardly. The second cap also includes a first wing flange and a second wing flange. The first wing flange extends in a first direction and has a curved proximally directed and convex surface. The second wing flange extends in a second direction different from the first direction and also has a curved proximally directed and convex surface. The second cap is engaged with the first cap through the protrusion(s), and removing the second cap with a distally-directed force simultaneously removes the first cap from the needle's sharpened end.

The second cap engages the first cap through a friction fit, ensuring a secure connection. The interior wall of the second cap defines a cavity in its proximal end, which is sized and shaped to receive at least a portion of the first cap. This design allows for easy removal of the caps while maintaining protection for the needle.

The protrusion(s) on the second cap can be multiple and are adapted to frictionally engage the first cap. They may have a tapered surface to aid in receiving the first cap. The protrusion(s) can be in the form of an annular rib.

A window is defined through the sidewall of the second cap, allowing for visual confirmation of the engagement between the second cap and the first cap. This feature provides additional assurance that the caps are securely connected.

The first cap and the second cap can be made of different materials, with the second cap being harder than the first cap. This choice of materials ensures durability and longevity of the caps.

In addition to the medical injector, the patent also describes a cap remover specifically designed to remove the needle cap. The cap remover has a cap body with a cavity to receive the needle cap. It also includes protrusions, wing flanges, and a viewing window. The cap remover disengages the needle cap from the needle when a distally-directed force is applied.

Overall, this patent presents innovative designs for a medical injector and a cap remover, providing improved needle protection and ease of use.

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GlobalData, the leading provider of industry intelligence, provided the underlying data, research, and analysis used to produce this article.

GlobalData Patent Analytics tracks bibliographic data, legal events data, point in time patent ownerships, and backward and forward citations from global patenting offices. Textual analysis and official patent classifications are used to group patents into key thematic areas and link them to specific companies