Enhanced Disinfecting Syringe Tip for Medical Connectors

Publication ID: 24-11857753_0001_PTD
Published: November 07, 2025
Category:Direct Improvements & Enhancements

Legal Citation

pr1or.art Inc., “Enhanced Disinfecting Syringe Tip for Medical Connectors,” Published Technical Disclosure No. 24-11857753_0001_PTD, Published November 07, 2025, available at https://archive.pr1or.art/24-11857753_0001_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. 11,857,753.

Summary of the Inventive Concept

An improved disinfecting syringe tip that automatically disinfects and sterilizes access ports of medical connectors upon attachment, minimizing additional steps in medical administration and reducing the risk of catheter-related bloodstream infections.

Background and Problem Solved

The original patent, 'Disinfecting syringe tip', provided a device for automatically disinfecting and sterilizing access ports of medical connectors. However, it had limitations in terms of user experience, efficiency, and risk of contamination. The new inventive concept addresses these limitations by introducing an enhanced disinfecting syringe tip that streamlines the disinfection process and improves safety.

Detailed Description of the Inventive Concept

The enhanced disinfecting syringe tip consists of a disinfection cap and a syringe, designed to work in tandem to automatically disinfect and sterilize access ports of medical connectors upon attachment to a threaded or interlocking fitting. The disinfection cap features a cylindrical outer housing with an outer wall, a distal wall, and an open proximal surface. The outer distal wall is capable of being advanced against an IV connector, and a disinfectant is dispensed to disinfect the lumen and cylindrical body of the IV connector upon advancement of the device. The syringe system integrates a disinfection tip that automatically disinfects and sterilizes access ports of medical connectors upon attachment, minimizing additional steps in medical administration.

Novelty and Inventive Step

The new inventive concept introduces an integrated disinfection cap and syringe system that automates the disinfection process, reducing the risk of contamination and improving user experience. The novel features of the enhanced disinfecting syringe tip include the automatic disinfection and sterilization of access ports upon attachment, and the minimization of additional steps in medical administration.

Alternative Embodiments and Variations

Alternative embodiments of the enhanced disinfecting syringe tip could include different designs for the disinfection cap, such as a retractable or adjustable outer distal wall, or varying shapes and sizes of the cylindrical outer housing. Additionally, the syringe system could be adapted for use with different types of medical connectors, or integrated with other medical devices to provide a comprehensive infection control solution.

Potential Commercial Applications and Market

The enhanced disinfecting syringe tip has significant commercial potential in the medical device industry, particularly in the fields of vascular access and infection control. The target market includes hospitals, clinics, and healthcare providers, who can benefit from the improved safety and efficiency of the device.

CPC Classifications

SectionClassGroup
A A61 A61M39/16
A A61 A61M5/3007
A A61 A61M2205/0205
A A61 A61M2205/0222

Field of Art

Medical device design, specifically medical connector disinfection systems, involving expertise in microbiology, medical device engineering, and infection control protocols

Person of Ordinary Skill (PHOSITA) Profile

A biomedical engineer or medical device designer with advanced degree, familiar with medical connector sterilization techniques, standard manufacturing processes, and infection prevention strategies

Obviousness Rationale

The PTD represents a straightforward combination of known elements from the source patent, applying standard design modifications that would be readily apparent to a skilled practitioner. The automatic disinfection mechanism and integrated syringe system are logical extensions of existing medical connector sterilization technologies. A PHOSITA would recognize these variations as predictable improvements using conventional medical device design principles.

Obvious Combinations & Variations

Source Patent Element
Cylindrical outer housing with distal wall for advancing against IV connector
PTD Variation
Adding retractable or adjustable outer distal wall design
Obviousness Reasoning
Mechanical design variation representing standard engineering design choice with predictable functional outcomes
Source Patent Element
Disinfection of lumen and cylindrical body of IV connector
PTD Variation
Integrated syringe system with automated disinfection process
Obviousness Reasoning
Known technique of combining sterilization mechanisms with medical delivery systems to reduce contamination risk
Source Patent Element
Threaded or interlocking fitting for medical connectors
PTD Variation
Expanding compatibility with multiple connector types
Obviousness Reasoning
Routine engineering adaptation to increase device versatility using known attachment mechanisms
Source Patent Element
Disinfectant application to medical connector surfaces
PTD Variation
Minimizing additional medical administration steps through integrated design
Obviousness Reasoning
Predictable optimization of existing sterilization process by reducing user intervention
35 U.S.C. § 103 Summary: Based on US Patent 11857753, the present publication demonstrates that the claimed variations in medical connector disinfection systems would have been obvious to a person having ordinary skill in the art at the time of invention. The disclosed technical modifications represent straightforward engineering adaptations using known techniques, resulting in predictable improvements to existing medical device sterilization methodologies.

Original Patent Information

Patent NumberUS 11,857,753
TitleDisinfecting syringe tip
Assignee(s)Becton, Dickinson and Company