Enhanced Restraint Anchor System with Improved Safety Features

Publication ID: 24-11857452_0006_PTD
Published: October 28, 2025
Category:Direct Improvements & Enhancements

Legal Citation

pr1or.art Inc., “Enhanced Restraint Anchor System with Improved Safety Features,” Published Technical Disclosure No. 24-11857452_0006_PTD, Published October 28, 2025, available at https://archive.pr1or.art/24-11857452_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. 11,857,452.

Summary of the Inventive Concept

The inventive concept presents a novel restraint anchor system that enhances safety and efficiency in various settings, such as hospitals and clinical environments. The system features an anti-ligature device with a tub and slot for receiving a restraining strap, along with a mounting element and locking mechanism for secure integration.

Background and Problem Solved

The original patent for the restraint anchor system had limitations in terms of safety risks and efficiency. The new inventive concept addresses these limitations by introducing an improved anti-ligature device with enhanced safety features, such as a lip extending radially beyond the outer surface, and integration with patient monitoring systems to detect potential safety risks.

Detailed Description of the Inventive Concept

The enhanced restraint anchor system comprises a tub with a slot for receiving a restraining strap, having an inner volume and an outer surface with a lip extending radially beyond the outer surface. This lip ensures that the strap cannot be easily removed or tampered with. The system also includes a mounting element for securing the tub to a mounting location within an environment, and a locking mechanism for added security. The locking mechanism may include a keyless entry system for convenient access. Furthermore, the system can be integrated with patient monitoring systems to detect potential safety risks and alert medical staff.

Novelty and Inventive Step

The new claims introduce a novel combination of features, including the lip extending radially beyond the outer surface, the mounting element, and the locking mechanism. These features provide a significant improvement over the original patent, addressing the limitations and safety risks associated with the prior art.

Alternative Embodiments and Variations

Alternative embodiments of the inventive concept could include different tub shapes and sizes, various materials for the tub and mounting element, and alternative locking mechanisms. Additionally, the system could be adapted for use in different environments, such as schools or correctional facilities.

Potential Commercial Applications and Market

The enhanced restraint anchor system has significant commercial potential in the healthcare industry, particularly in hospitals and clinical environments. The system's improved safety features and efficiency make it an attractive solution for medical facilities seeking to enhance patient safety and reduce liability risks.

CPC Classifications

SectionClassGroup
A A61 A61F5/3776
A A44 A44B11/2588
A A47 A47B91/08

Field of Art

Medical restraint systems and safety devices, focusing on anti-ligature technologies for healthcare and clinical environments, requiring expertise in mechanical design, safety engineering, and medical equipment integration

Person of Ordinary Skill (PHOSITA) Profile

A mechanical engineer or medical device designer with 3-5 years of experience in safety-critical healthcare equipment design, familiar with restraint system technologies, patient safety regulations, and mechanical mounting solutions

Obviousness Rationale

A person having ordinary skill would recognize that the PTD's variations represent predictable design modifications to the source patent's core anti-ligature device concept. The additional features like the radially extending lip, keyless locking mechanism, and patient monitoring system integration are logical extensions of existing safety design principles in medical restraint technologies. These variations solve known limitations in prior art by providing enhanced security and monitoring capabilities using standard engineering techniques.

Obvious Combinations & Variations

Source Patent Element
Tub-based anti-ligature device with mounting hole and strap receiving slot
PTD Variation
Adding a radially extending lip on the tub's outer surface to prevent strap removal
Obviousness Reasoning
A PHOSITA would recognize this as a predictable design modification to enhance safety by preventing unauthorized strap manipulation, using standard geometric design techniques
Source Patent Element
Basic mounting mechanism for restraint device
PTD Variation
Integrating a keyless entry locking mechanism for additional security
Obviousness Reasoning
Implementing electronic access control is a known technique in medical device design, representing an obvious improvement to mechanical restraint systems
Source Patent Element
Static anti-ligature device for restraint management
PTD Variation
Connecting the device to a patient monitoring system for real-time safety tracking
Obviousness Reasoning
Integrating electronic monitoring with mechanical safety devices is a predictable solution in healthcare technology, using standard sensor and communication technologies
Source Patent Element
Cylindrical tub design for restraint mounting
PTD Variation
Expanding design to accommodate multiple environmental contexts beyond hospitals
Obviousness Reasoning
Adapting medical device technologies to different institutional settings represents a standard design approach using known engineering principles
Source Patent Element
Basic restraint anchor with strap-receiving slot
PTD Variation
Implementing a slot that extends fully through the tub's inner and outer surfaces
Obviousness Reasoning
Modifying slot geometry to improve functionality is a routine design optimization that a PHOSITA would find obvious based on standard mechanical design practices
35 U.S.C. § 103 Summary: Based on the teachings of US Patent 11857452 and the published technical disclosure, a person having ordinary skill in the art would find the claimed variations obvious, as they represent predictable design modifications using known techniques in medical safety device engineering. The disclosed improvements in anti-ligature device design, including geometric modifications, electronic integration, and expanded environmental applicability, do not rise to the level of non-obvious innovation required for patent protection.

Original Patent Information

Patent NumberUS 11,857,452
TitleMethod and apparatus for restraint anchor
Assignee(s)Indnrn Holdings, LLC