Enhanced Device for Attachment to an Injection Device

Publication ID: 24-11857708_0006_PTD
Published: October 28, 2025
Category:Direct Improvements & Enhancements

Legal Citation

pr1or.art Inc., “Enhanced Device for Attachment to an Injection Device,” Published Technical Disclosure No. 24-11857708_0006_PTD, Published October 28, 2025, available at https://archive.pr1or.art/24-11857708_0006_PTD
This technical disclosure describes improvements that would be readily apparent to a Person Having Ordinary Skill In The Art (PHOSITA) when considered in combination with the foundational architecture disclosed in U.S. Patent No. 11,857,708.

Summary of the Inventive Concept

An innovative supplementary device for injection devices that improves safety, efficiency, and user experience by enhancing dosage selection and injection triggering.

Background and Problem Solved

The original patent disclosed a device for attachment to an injection device, which, although functional, had limitations in terms of user safety and injection efficiency. The new inventive concept addresses these limitations by introducing a more robust mechanical coupling, a spring-loaded dial knob, and an enhanced dosage detection system, ensuring accurate and reliable injection delivery.

Detailed Description of the Inventive Concept

The supplementary device comprises a carrier interface, a dial knob, and a mechanical coupling that transfers a compressive force to a release button of the injection device upon selection of a dosage. The mechanical coupling is configured to detect a selected dosage and trigger an injection. A spring is incorporated to force the dial knob into an initial position, ensuring no compressive force is exerted on the release button when not in use. The device can be attached to various injection devices, enhancing their overall performance and safety.

Novelty and Inventive Step

The new inventive concept introduces a more efficient and safe mechanical coupling, a spring-loaded dial knob, and an enhanced dosage detection system, which are not obvious from the original patent. The inventive step lies in the combination of these features, which provide a more reliable and user-friendly injection experience.

Alternative Embodiments and Variations

Alternative embodiments of the supplementary device could include different mechanical coupling designs, such as a gear-based system or a hydraulic system, to achieve the same functionality. Additionally, the device could be adapted for use with various types of injection devices, such as insulin pumps or auto-injectors.

Potential Commercial Applications and Market

The enhanced supplementary device has significant commercial potential in the pharmaceutical and medical device industries, particularly in the areas of diabetes management, emergency medicine, and patient self-administration of injectable medications.

CPC Classifications

SectionClassGroup
A A61 A61M5/3155
A A61 A61M5/2033
A A61 A61M2005/3126
A A61 A61M2205/332
A A61 A61M2205/3327
A A61 A61M2205/3584
A A61 A61M2205/52
A A61 A61M2205/8206

Original Patent Information

Patent NumberUS 11,857,708
TitleDevice for attachment to an injection device
Assignee(s)Sanofi