Enhanced Drug Delivery Device with Advanced Cartridge Features

Publication ID: 24-11857554_0006_PTD
Published: October 28, 2025
Category:Direct Improvements & Enhancements

Legal Citation

pr1or.art Inc., “Enhanced Drug Delivery Device with Advanced Cartridge Features,” Published Technical Disclosure No. 24-11857554_0006_PTD, Published October 28, 2025, available at https://archive.pr1or.art/24-11857554_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. 11,857,554.

Summary of the Inventive Concept

This inventive concept presents a series of direct improvements and enhancements to the original drug delivery device, focusing on single-use cartridges with self-sealing mechanisms, advanced driver systems, and integrated sensors for precise pharmaceutical delivery.

Background and Problem Solved

The original drug delivery device with pre-assembled cartridge (PCT/AU2016/050444) had limitations in terms of cartridge leakage, inconsistent flow rates, and lack of precision in pharmaceutical delivery. This new inventive concept addresses these limitations by introducing novel cartridge designs, driver mechanisms, and sensor integrations to provide a safer, more efficient, and precise drug delivery system.

Detailed Description of the Inventive Concept

The enhanced drug delivery device features a body extending from a delivery tip, defining a cavity for retaining a pre-assembled cartridge holding the pharmaceutical substance. The cartridge is designed for single-use and has a self-sealing mechanism to prevent leakage after use. A driver is adapted to release a consistent flow of the pharmaceutical and has a ratchet action to prevent backflow. Additionally, the cartridge may include a built-in sensor to detect the type and quantity of pharmaceutical contained therein, ensuring precise delivery. The system can be configured for single-hand use, with a user interface for selecting the type and quantity of substance to be delivered.

Novelty and Inventive Step

The new claims introduce novel features such as self-sealing cartridges, advanced driver systems with ratchet action, and integrated sensors for precise pharmaceutical detection. These features provide a non-obvious improvement over the original patent, addressing specific limitations and enhancing the overall performance of the drug delivery device.

Alternative Embodiments and Variations

Alternative embodiments of the inventive concept could include cartridges with different self-sealing mechanisms, driver systems with varying flow rates, or sensors integrated into the delivery tip. Additionally, the system could be adapted for use in various medical specialties, such as ophthalmology or oncology.

Potential Commercial Applications and Market

The enhanced drug delivery device has significant commercial potential in the pharmaceutical and medical industries, particularly in areas where precise and efficient drug delivery is critical, such as cancer treatment or surgical procedures. The device's advanced features and improved performance could lead to increased adoption and market share.

Original Patent Information

Patent NumberUS 11,857,554
TitleDrug delivery device with pre-assembled cartridge
Assignee(s)INTRAVITAL PTY LTD.