Enhanced Cardiac Pacemaker System for Minimally Invasive Procedures

Publication ID: 24-11857380_0006_PTD
Published: October 28, 2025
Category:Direct Improvements & Enhancements

Legal Citation

pr1or.art Inc., “Enhanced Cardiac Pacemaker System for Minimally Invasive Procedures,” Published Technical Disclosure No. 24-11857380_0006_PTD, Published October 28, 2025, available at https://archive.pr1or.art/24-11857380_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. 11,857,380.

Summary of the Inventive Concept

The inventive concept presents an enhanced cardiac pacemaker system that enables minimally invasive procedures, improving patient safety and comfort. This system features a pulse generator implantable adjacent to the rib cage, subcutaneously on the sternum, or within the mediastinum, allowing for more flexible and efficient cardiac therapy.

Background and Problem Solved

The original patent disclosed a cardiac arrhythmia treatment device with a lead inserted into an intercostal space. However, this approach has limitations, including potential complications from lead insertion and the need for more invasive procedures. The new inventive concept addresses these limitations by introducing a minimally invasive procedure for lead insertion and providing more flexible pulse generator implantation options.

Detailed Description of the Inventive Concept

The enhanced cardiac pacemaker system consists of a pulse generator, a lead with a distal end positioned within the mediastinum, and an electrode at the distal end configured to provide electrical pulse therapy to the heart. The lead is inserted through a minimally invasive procedure, reducing the risk of complications and improving patient comfort. The pulse generator can be implanted adjacent to the rib cage, subcutaneously on the sternum, or within the mediastinum, offering more flexibility in terms of implantation site and patient suitability.

Novelty and Inventive Step

The new inventive concept introduces a novel approach to cardiac pacemaker system design, featuring a minimally invasive lead insertion procedure and flexible pulse generator implantation options. This combination of features provides a significant improvement over the original patent, offering enhanced patient safety, comfort, and treatment outcomes.

Alternative Embodiments and Variations

Alternative embodiments of the inventive concept could include variations in lead design, pulse generator configurations, and implantation sites. For example, the lead could be designed with adjustable electrodes or the pulse generator could be adapted for use with different types of cardiac therapy. These variations would ensure broad conceptual coverage and adaptability to different patient needs and clinical scenarios.

Potential Commercial Applications and Market

The enhanced cardiac pacemaker system has significant commercial potential in the cardiac rhythm management market, which is expected to grow substantially in the coming years. The system's minimally invasive procedure and flexible implantation options make it an attractive solution for patients and clinicians, offering improved safety, comfort, and treatment outcomes.

CPC Classifications

SectionClassGroup
A A61 A61B90/39
A A61 A61B90/02
A A61 A61N1/0504
A A61 A61N1/0563
A A61 A61N1/0587
A A61 A61N1/362
A A61 A61N1/3621
A A61 A61N1/36521
A A61 A61N1/36542
A A61 A61N1/36557
A A61 A61N1/3787
A A61 A61N1/37217
A A61 A61N1/37264
A A61 A61N1/3956
A A61 A61B2090/3966
A A61 A61B2090/3983
A A61 A61N1/059
A A61 A61N1/3752

Field of Art

Medical Device Engineering, specifically Cardiac Electrical Stimulation Technologies, involving implantable pacemaker and defibrillation systems with expertise in minimally invasive surgical techniques, electrical pulse generation, and cardiac lead placement

Person of Ordinary Skill (PHOSITA) Profile

A biomedical engineer or electrophysiologist with advanced degree, specialized training in cardiac medical device design, understanding of electrical pulse therapy, surgical implantation techniques, and familiarity with contemporary cardiac intervention technologies

Obviousness Rationale

A PHOSITA would recognize that the PTD's variations represent predictable engineering adaptations of the source patent's core cardiac pacing methodology, involving routine modifications to lead placement, pulse generator configuration, and implantation approach that would be considered standard design iterations within cardiac medical device development.

Obvious Combinations & Variations

Source Patent Element
Lead insertion into intercostal space proximate to sternum lateral margin
PTD Variation
Lead positioned within mediastinum with minimally invasive insertion technique
Obviousness Reasoning
Predictable variation representing standard surgical approach optimization, utilizing known anatomical pathways with reduced invasiveness
Source Patent Element
Electrical pulse generation for cardiac pacing and defibrillation
PTD Variation
Flexible pulse generator implantation sites including subcutaneous sternum and adjacent rib cage locations
Obviousness Reasoning
Routine design modification representing known technique for improving device placement flexibility and patient-specific adaptation
Source Patent Element
Therapeutic electrical pulse transmission through cardiac lead
PTD Variation
Enhanced lead design with configurable electrode positioning for improved electrical pulse therapy delivery
Obviousness Reasoning
Obvious engineering improvement utilizing known electrical stimulation principles and standard medical device design practices
35 U.S.C. § 103 Summary: Based on US Patent 11857380, the present publication demonstrates that the claimed variations in cardiac pacemaker system design represent obvious extensions of prior art, employing standard medical device engineering techniques that would be readily apparent to a person having ordinary skill in the art of cardiac electrical stimulation technologies.

Original Patent Information

Patent NumberUS 11,857,380
TitleCardiac arrhythmia treatment devices and delivery
Assignee(s)AtaCor Medical, Inc.