Enhanced Device for Endoscopic Optoacoustic Imaging with Improved Resolution and Contrast

Publication ID: 24-11857290_0001_PTD
Published: November 07, 2025
Category:Direct Improvements & Enhancements

Legal Citation

pr1or.art Inc., “Enhanced Device for Endoscopic Optoacoustic Imaging with Improved Resolution and Contrast,” Published Technical Disclosure No. 24-11857290_0001_PTD, Published November 07, 2025, available at https://archive.pr1or.art/24-11857290_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. 11,857,290.

Summary of the Inventive Concept

An improved device for endoscopic optoacoustic imaging that offers higher resolution and contrast, enabling better diagnostic capabilities for medical professionals.

Background and Problem Solved

The original patent, 'Device for endoscopic optoacoustic imaging, in particular for endoscopic optoacoustic imaging of cavities and hollow objects,' has limitations in terms of image resolution and signal-to-noise ratio. The present inventive concept addresses these limitations by introducing enhancements to the irradiation unit, detection unit, and acoustic wave detection algorithm, enabling improved diagnostic capabilities.

Detailed Description of the Inventive Concept

The enhanced device comprises an imaging unit with an improved irradiation unit having a higher power density, allowing for better optoacoustic signal generation. Additionally, the device features a modified detection unit capable of detecting acoustic waves at multiple frequencies, resulting in improved contrast in the generated optoacoustic images. Furthermore, the device utilizes a novel acoustic wave detection algorithm that enhances the signal-to-noise ratio of the detection signals, providing higher image resolution. The position stabilizing structure is designed with a reduced diameter, enabling insertion into narrower cavities and hollow objects. The connecting element is equipped with a built-in temperature sensor, allowing for real-time monitoring of the temperature of the region of interest during imaging.

Novelty and Inventive Step

The new claims introduce a series of non-obvious improvements over the original patent, including the high-power irradiation unit, multi-frequency detection unit, novel acoustic wave detection algorithm, reduced-diameter position stabilizing structure, and built-in temperature sensor. These enhancements provide a significant improvement in image resolution and contrast, enabling better diagnostic capabilities for medical professionals.

Alternative Embodiments and Variations

Alternative embodiments of the inventive concept could include variations in the design of the irradiation unit, detection unit, and acoustic wave detection algorithm. Additionally, the device could be adapted for use in different medical specialties or applications, such as cardiovascular or neurosurgical imaging.

Potential Commercial Applications and Market

The enhanced device for endoscopic optoacoustic imaging has significant commercial potential in the medical imaging industry, particularly in the fields of gastroenterology, pulmonology, and urology. The improved diagnostic capabilities offered by the device could lead to increased adoption and revenue growth in these markets.

Field of Art

Medical imaging technologies, specifically endoscopic optoacoustic imaging systems, requiring advanced knowledge of optical, acoustic, and medical imaging principles with expertise in biomedical engineering, optoelectronics, and signal processing

Person of Ordinary Skill (PHOSITA) Profile

A biomedical engineer or medical device researcher with advanced degrees in biomedical engineering or medical physics, experienced in designing medical imaging systems, understanding signal processing algorithms, and developing minimally invasive diagnostic technologies

Obviousness Rationale

A person having ordinary skill in the art would recognize that the PTD's variations represent incremental improvements to the source patent's fundamental optoacoustic imaging device design. These modifications leverage known techniques in signal processing, sensor design, and imaging technologies to enhance diagnostic capabilities through predictable engineering modifications. The variations demonstrate standard problem-solving approaches in medical imaging technology development.

Obvious Combinations & Variations

Source Patent Element
Imaging unit with irradiation and detection components for optoacoustic imaging
PTD Variation
Higher power density irradiation unit and multi-frequency detection unit
Obviousness Reasoning
A PHOSITA would recognize that adjusting power density and detection frequencies are standard optimization techniques for improving signal generation and image contrast in medical imaging systems
Source Patent Element
Position stabilizing structure for endoscopic device
PTD Variation
Reduced diameter position stabilizing structure for narrower cavity insertion
Obviousness Reasoning
Modifying device dimensions to improve insertability is a predictable design choice for expanding medical device applicability across different anatomical contexts
Source Patent Element
Carrier unit with rotational-translational capabilities
PTD Variation
Novel acoustic wave detection algorithm to improve signal-to-noise ratio
Obviousness Reasoning
Implementing advanced signal processing algorithms to enhance image quality is a routine engineering approach in medical imaging technology development
Source Patent Element
Endoscopic imaging device with basic sensing capabilities
PTD Variation
Connecting element with built-in temperature sensor for real-time monitoring
Obviousness Reasoning
Adding environmental monitoring sensors is a standard technique for improving diagnostic information and device safety in medical imaging systems
Source Patent Element
Basic optoacoustic imaging methodology
PTD Variation
Enhanced processing unit for generating high-resolution optoacoustic images
Obviousness Reasoning
Improving image processing capabilities through algorithmic and computational enhancements represents a predictable evolution of medical imaging technologies
35 U.S.C. § 103 Summary: Pursuant to 35 U.S.C. § 103, the variations disclosed in this Published Technical Disclosure would have been obvious to a person having ordinary skill in the art at the time of invention, with reasonable expectation of success, when considering the teachings of US Patent 11857290. The incremental improvements represent standard engineering modifications that would be apparent to a skilled practitioner seeking to optimize endoscopic optoacoustic imaging device performance and diagnostic capabilities.

Original Patent Information

Patent NumberUS 11,857,290
TitleDevice for endoscopic optoacoustic imaging, in particular for endoscopic optoacoustic imaging of cavities and hollow objects
Assignee(s)HELMHOLTZ ZENTRUM MUENCHEN—DEUTSCHES FORSCHUNGSZENTRUM FUERGESUNDHEIT UND UMWELT (GMBH)