Enhanced Haptic Control for Automated Surgical Alignment

Publication ID: 24-11857200_0001_PTD
Published: November 07, 2025
Category:Direct Improvements & Enhancements

Legal Citation

pr1or.art Inc., “Enhanced Haptic Control for Automated Surgical Alignment,” Published Technical Disclosure No. 24-11857200_0001_PTD, Published November 07, 2025, available at https://archive.pr1or.art/24-11857200_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. 11,857,200.

Summary of the Inventive Concept

This inventive concept improves the precision and safety of automated surgical alignment by incorporating advanced haptic control, real-time tracking, and 3D modeling. It addresses limitations in existing surgical systems, enhancing the surgeon's experience and reducing tissue damage.

Background and Problem Solved

The original patent, 'Automated alignment of a surgical tool,' describes a surgical system with a robotic arm, end effector, and tracking system. However, it lacks advanced haptic control, relying on simple tactile feedback. This limitation can lead to inaccurate alignment, tissue damage, and reduced surgical precision. The new inventive concept solves this problem by integrating enhanced haptic control, real-time tracking, and 3D modeling to ensure precise alignment and minimize tissue damage.

Detailed Description of the Inventive Concept

The enhanced haptic control system features a haptic device providing tactile feedback to the surgeon during the surgical procedure. A navigation system tracks the surgical tool and patient's anatomy in real-time, generating a 3D model of the patient's anatomy. The processor executes instructions to adjust the surgical tool's alignment based on the navigation system's tracking data and the 3D model, ensuring precise alignment. The system also includes a virtual boundary around the virtual trajectory of the surgical tool, providing tactile feedback to the surgeon when the tool approaches the boundary. This invention enables surgeons to perform procedures with increased precision, safety, and efficiency.

Novelty and Inventive Step

The new claims introduce advanced haptic control, real-time tracking, and 3D modeling, which are not present in the original patent. These enhancements provide a non-obvious improvement over the existing surgical system, enabling precise alignment and minimizing tissue damage.

Alternative Embodiments and Variations

Alternative embodiments of the inventive concept could include using different types of haptic devices, such as exoskeletons or tactile displays, or incorporating machine learning algorithms to improve the accuracy of the 3D model and tracking system. Variations could also include adapting the system for use in different surgical specialties, such as neurosurgery or orthopedic surgery.

Potential Commercial Applications and Market

The enhanced haptic control system has significant commercial potential in the medical device industry, particularly in the areas of robotic-assisted surgery and surgical navigation. The system could be marketed to hospitals and surgical centers, providing a competitive advantage in terms of precision, safety, and efficiency. The target industries could include orthopedic, neurosurgical, and general surgical markets.

CPC Classifications

SectionClassGroup
A A61 A61B17/15
A A61 A61B17/142
A A61 A61B17/1615
A A61 A61B17/1703
A A61 A61B34/20
A A61 A61B34/30
A A61 A61B34/76
A A61 A61B17/157
A A61 A61B34/25
A A61 A61B90/03
A A61 A61B2017/00128
A A61 A61B2034/105
A A61 A61B2034/2055

Field of Art

Surgical robotics and haptic control systems, focusing on computer-assisted surgical technologies involving robotic manipulation, tracking systems, and human-machine interfaces for precise surgical interventions

Person of Ordinary Skill (PHOSITA) Profile

A biomedical engineer or robotics specialist with expertise in surgical tool design, computer-assisted surgery technologies, motion tracking systems, and human-machine interaction interfaces, typically holding a graduate degree in biomedical engineering or robotics with 3-5 years of specialized experience

Obviousness Rationale

A person skilled in surgical robotics would recognize that enhancing the source patent's surgical alignment system with advanced 3D modeling, real-time tracking, and expanded haptic feedback represents predictable technological improvements within the existing technological framework. The PTD's variations systematically address known limitations in surgical navigation by integrating complementary tracking and feedback technologies. These incremental enhancements would be considered obvious extensions of the foundational surgical alignment concepts disclosed in the source patent.

Obvious Combinations & Variations

Source Patent Element
Robotic arm with end effector and tracking system for surgical positioning
PTD Variation
Adding real-time 3D anatomical modeling and expanded haptic feedback mechanisms
Obviousness Reasoning
Integrating 3D modeling with existing tracking systems represents a known technique for improving surgical precision, with predictable results of enhanced navigation accuracy
Source Patent Element
Virtual boundary defined by distance from virtual trajectory
PTD Variation
Implementing machine learning algorithms to dynamically adjust virtual boundary parameters
Obviousness Reasoning
Adaptive boundary management is a predictable technological progression using standard machine learning techniques to enhance existing virtual boundary concepts
Source Patent Element
Basic haptic feedback system for surgical tool control
PTD Variation
Expanding haptic feedback to include multi-dimensional tactile sensations and proximity warnings
Obviousness Reasoning
Enhancing sensory feedback is an obvious design optimization using known human-machine interface techniques to improve surgeon awareness
Source Patent Element
Tracking system detecting patient and end effector positions
PTD Variation
Incorporating non-mechanical tracking systems with enhanced spatial resolution
Obviousness Reasoning
Exploring alternative tracking methodologies represents a standard engineering approach to incrementally improving positioning technologies
Source Patent Element
Surgical tool alignment using processor-executed instructions
PTD Variation
Implementing specialized algorithms for minimizing tissue damage during surgical interventions
Obviousness Reasoning
Developing targeted algorithmic approaches to surgical precision is a predictable application of computational techniques in medical robotics
35 U.S.C. § 103 Summary: Based on the teachings of US Patent 11857200 and the disclosed technological variations, a person having ordinary skill in surgical robotics would find the claimed innovations obvious and lacking inventive step. The systematic enhancement of surgical alignment technologies through integrated 3D modeling, expanded haptic feedback, and advanced tracking mechanisms represents predictable technological progression within the existing state of the art, thereby rendering subsequent claims obvious under 35 U.S.C. Section 103.

Original Patent Information

Patent NumberUS 11,857,200
TitleAutomated alignment of a surgical tool
Assignee(s)MAKO Surgical Corp.