Enhanced Ingress-Egress Apparatus for Surgical Implant Removal with Integrated Suction, Sterilization, and Temperature Control

Publication ID: 24-11857377_0001_PTD
Published: October 28, 2025
Category:Direct Improvements & Enhancements

Legal Citation

pr1or.art Inc., “Enhanced Ingress-Egress Apparatus for Surgical Implant Removal with Integrated Suction, Sterilization, and Temperature Control,” Published Technical Disclosure No. 24-11857377_0001_PTD, Published October 28, 2025, available at https://archive.pr1or.art/24-11857377_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. 11,857,377.

Summary of the Inventive Concept

The present inventive concept relates to an improved ingress-egress apparatus for protecting the surgical work site during removal of surgical implants, featuring integrated suction, sterilization, and temperature control mechanisms to enhance efficiency, safety, and patient outcomes.

Background and Problem Solved

The original patent disclosed an ingress-egress apparatus for protecting the surgical work site during removal of surgical implants. However, the apparatus had limitations in terms of debris removal, sterilization, and temperature control. The present inventive concept addresses these limitations by incorporating innovative features that make the apparatus more efficient, safer, and more effective.

Detailed Description of the Inventive Concept

The enhanced ingress-egress apparatus features an integrated suction mechanism that operates in tandem with the ingress and egress ports to optimize particle removal during surgical burring. Additionally, the apparatus includes a built-in sterilization module utilizing UV light or antimicrobial coatings to sanitize the apparatus and prevent contamination. Furthermore, the apparatus incorporates a temperature control mechanism to maintain a predetermined temperature range during surgical burring, reducing tissue damage and promoting healing. The apparatus can be miniaturized for use in laparoscopic procedures, and its dynamically adjustable vortex flow rate can adapt to varying surgical burring conditions.

Novelty and Inventive Step

The present inventive concept's novelty lies in the integration of suction, sterilization, and temperature control mechanisms into the ingress-egress apparatus, which provides a more comprehensive solution for protecting the surgical work site during surgical implant removal. The inventive step resides in the combination of these features, which provides a synergistic effect in enhancing efficiency, safety, and patient outcomes.

Alternative Embodiments and Variations

Alternative embodiments of the inventive concept could include variations in the suction mechanism, such as using different types of suction devices or adjusting the suction pressure. The sterilization module could also be modified to use different types of sterilization methods, such as heat or chemical sterilization. Furthermore, the temperature control mechanism could be adjusted to accommodate different temperature ranges or surgical procedures.

Potential Commercial Applications and Market

The enhanced ingress-egress apparatus has significant commercial potential in the medical device industry, particularly in the fields of orthopedic, neurosurgical, and laparoscopic surgery. The apparatus could be marketed as a standalone device or integrated into existing surgical systems, offering a competitive advantage to medical device manufacturers and improving patient outcomes.

CPC Classifications

SectionClassGroup
A A61 A61B90/03
A A61 A61B17/92
A A61 A61B17/17
A A61 A61B2017/0042
A A61 A61B2017/564
A A61 A61B2090/036
A A61 A61B2090/08021
A A61 A61B2217/005
A A61 A61B2217/007

Field of Art

Surgical instrumentation and medical device design, specifically focused on surgical implant removal techniques, with expertise in minimally invasive surgical apparatus, fluid management systems, and precision surgical tools

Person of Ordinary Skill (PHOSITA) Profile

A biomedical engineer or surgical instrument designer with advanced degree, 5-10 years experience in medical device development, familiar with surgical intervention technologies, fluid dynamics, and sterilization protocols

Obviousness Rationale

A person having ordinary skill would recognize that the source patent's fundamental ingress-egress apparatus design provides a natural framework for incremental improvements in surgical particle management, sterilization, and thermal control. The PTD's variations represent predictable engineering extensions that address known challenges in surgical implant removal procedures. These modifications would be considered straightforward adaptations using standard techniques available to skilled practitioners in medical device design.

Obvious Combinations & Variations

Source Patent Element
Inverted frustum surface with ingress and egress ports for surgical implant removal
PTD Variation
Integrated suction mechanism operating with ingress/egress ports to optimize particle removal
Obviousness Reasoning
Adding particle suction to existing port design represents a known technique for improving surgical site cleanliness, with predictable results in debris management
Source Patent Element
Base portion of frustum surface sidewall
PTD Variation
Built-in sterilization module using UV light or antimicrobial coatings
Obviousness Reasoning
Incorporating sterilization mechanisms into surgical apparatus is a standard design approach for reducing contamination risk, utilizing well-established medical device sterilization technologies
Source Patent Element
Surgical implant removal apparatus
PTD Variation
Temperature control mechanism to maintain predetermined surgical site temperature
Obviousness Reasoning
Thermal management during surgical procedures is a known technique for reducing tissue damage, representing a finite and predictable engineering solution
Source Patent Element
Surgical apparatus with defined geometric structure
PTD Variation
Miniaturized version for laparoscopic procedures with elongated handle
Obviousness Reasoning
Adapting surgical instruments for minimally invasive techniques is a standard design approach, representing an obvious variation based on known scaling and ergonomic principles
35 U.S.C. § 103 Summary: Pursuant to 35 U.S.C. ยง 103, the variations disclosed in this publication would be considered obvious to a person having ordinary skill in surgical instrument design, when viewed in light of US Patent 11857377. The incremental improvements represent predictable engineering solutions that would be apparent to a skilled practitioner, thereby rendering potential claims covering similar technical variations unpatentable as obvious variants of the prior art.

Original Patent Information

Patent NumberUS 11,857,377
TitleIngress-egress apparatus for protection of surgical field during removal of surgical implants, and related methods
Assignee(s)Board of Trustees of Michigan State University