X-ray Collimator Interface Module Tool-Free Installation

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Solution Overview

Problem

The existing methods for attaching an X-ray collimator to an X-ray generator require significant manual effort and tools, leading to potential errors during installation and increased risk of tilting or incorrect positioning.

Innovation Solution

A novel interface module with a base plate, adjustment plate, and swivel elements that allow for quick and tool-free installation of the collimator, featuring a rotatable adjustment plate and swivel elements that pivot between open and clamping positions to securely attach the X-ray tube unit flange, ensuring proper alignment and stability.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If traditional threaded pins with self-locking threads are used to attach the collimator, then secure attachment is achieved, but installation requires significant manual effort and tools

Engineering Contradiction:
Improvesecure attachmentVSAvoidinstallation simplicity
Core Design Contradiction:
ReliabilityVSEase of operation

Solution Approach 1:

The patent replaces the traditional threaded pin mechanism with a snap-fit plastic interface system. The collimator housing includes a plastic interface module with engagement elements that mate with corresponding elements on the X-ray generator, eliminating the need for threaded pins, screws, or other fastening tools. This substitution of mechanical fastening systems achieves secure attachment while dramatically simplifying installation.

Inventive Principle:
Principle #28Mechanics substitution (Replace mechanical system)

Solution Approach 2:

The plastic interface module is designed to be self-aligning and self-securing. The engagement elements automatically engage when the collimator is positioned on the X-ray generator, and the snap-fit mechanism provides immediate secure attachment without requiring manual fastening operations. The system serves itself by providing alignment and securing functions through the inherent geometry of the plastic interface components.

Inventive Principle:
Principle #25Self-service

2Reliability

If threaded pins are used for attachment, then secure connection is achieved, but installation time is extended

Engineering Contradiction:
Improveconnection securityVSAvoidinstallation time
Core Design Contradiction:
ReliabilityVSLoss of time

Solution Approach 1:

The patent replaces time-consuming threaded fastening operations with a rapid snap-fit plastic interface. The engagement elements are designed to engage instantly when the collimator is positioned on the X-ray generator, eliminating the need for manual screwing or fastening operations that would otherwise require minutes of installation time.

Inventive Principle:
Principle #28Mechanics substitution (Replace mechanical system)

Solution Approach 2:

The plastic interface module is pre-configured with engagement elements that are ready to automatically engage upon positioning. The alignment features and snap-fit mechanisms are built into the plastic components during manufacturing, so that when installation occurs, the system is already prepared to secure quickly without requiring manual fastening actions.

Inventive Principle:
Principle #10Preliminary action

3Reliability

If manual tool operation is required for attachment, then secure fastening is achieved, but error risk increases

Engineering Contradiction:
Improvefastening securityVSAvoidalignment accuracy
Core Design Contradiction:
ReliabilityVSManufacturing precision

Solution Approach 1:

The patent replaces manual tool-based fastening with an automated snap-fit plastic interface system. The engagement elements are designed with precise geometric relationships that ensure accurate alignment and secure engagement without requiring manual operations. This eliminates errors associated with manual fastening while maintaining secure connection.

Inventive Principle:
Principle #28Mechanics substitution (Replace mechanical system)

Solution Approach 2:

The plastic interface module provides self-alignment and self-securing functions through its inherent geometry. The engagement elements automatically align and engage when the collimator is positioned on the X-ray generator, eliminating the need for manual alignment operations that could introduce errors. The system serves itself by providing precise alignment and secure fastening through the designed interface geometry.

Inventive Principle:
Principle #25Self-service

Data Source

PatentUS11779291B2Interface module for x-ray collimator
Publication Date: 2023.10.10 SIEMENS HEALTHINEERS AG
  • US11779291B2 patent drawing
  • US11779291B2 patent drawing
  • US11779291B2 patent drawing

AI summary

An interface module to connect a collimator to an X-ray generator, includes: a base plate, which forms a support area for an X-ray tube unit flange of the X-ray generator; an adjustment plate, which is rotatably connected to the base plate; and at least one swivel element movably connected to the base plate and adjustment plate such that, upon rotation of the adjustment plate, the at least one swivel element pivots between a clamping position and an open position.