Surgical Alignment Device Simultaneous Joint Locking Mechanism

Resolve Bottlenecks,
Find Innovative Solutions
Generate Solutions

Solution Overview

Problem

Current surgical alignment devices face challenges in providing precise alignment and access during less invasive procedures, which can limit visualization and instrument access to the anatomy.

Innovation Solution

A surgical alignment device comprising a base, a guide, and a plurality of linear actuators, with a locking arrangement that allows simultaneous locking of base or guide joints, enabling precise alignment and stabilization of surgical instruments.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Measurement precision

If a surgical alignment device is used during less invasive procedures, then precision and control of instrument alignment are improved, but device complexity increases

Engineering Contradiction:
Improvealignment precisionVSAvoiddevice complexity
Core Design Contradiction:
Measurement precisionVSDevice complexity

Solution Approach 1:

The device is divided into distinct functional modules: a base portion, a guide portion, and multiple linear actuators connecting them. Each module performs a specific function (positioning, guiding, actuating), allowing the complex alignment task to be broken down into manageable segments that can be independently controlled and adjusted.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The device incorporates movable components including linear actuators that can dynamically adjust the position and orientation of the guide portion relative to the base. The actuators enable real-time modification of alignment parameters during the procedure, providing adaptive precision rather than fixed positioning.

Inventive Principle:
Principle #15Dynamics

2Measurement precision

If multiple linear actuators are used to control guide positioning, then alignment precision is improved, but ease of operation deteriorates due to multiple individual locking requirements

Engineering Contradiction:
Improvealignment precisionVSAvoidease of operation
Core Design Contradiction:
Measurement precisionVSEase of operation

Solution Approach 1:

Multiple individual locking mechanisms for each linear actuator are merged into a single integrated locking arrangement. This unified system simultaneously locks or unlocks all actuators through one operational action, eliminating the need to individually secure each actuator while maintaining the precision provided by the multiple actuators.

Inventive Principle:
Principle #5Merging (Combining)

Solution Approach 2:

The locking arrangement serves multiple functions: it simultaneously locks all linear actuators, secures the guide portion relative to the base, and maintains alignment precision. This multi-functional component addresses both the precision requirement (through simultaneous multi-actuator locking) and the ease of operation requirement (through single-action operation).

Inventive Principle:
Principle #6Universality (Multi-functionality)

Data Source

PatentUS20250160626A1Manual Hexapod Locking Mechanism
Publication Date: 2025.05.22 MEDTRONIC NAVIGATION INC
  • US20250160626A1 patent drawing
  • US20250160626A1 patent drawing
  • US20250160626A1 patent drawing

AI summary

A surgical alignment device including a base, a guide, and a plurality of linear actuators each extending between the base and the guide. The plurality of linear actuators include first ends connected to the base at base joints and second ends connected to the guide at guide joints. A locking arrangement is configured to simultaneously lock all of the base joints or simultaneously lock all of the guide joints.