Contoured Foam Head Support for Spinal Surgery

Resolve Bottlenecks,
Find Innovative Solutions
Generate Solutions

Solution Overview

Problem

Existing surgical tables for spinal surgery often fail to provide adequate support and access for the patient's head, leading to potential injuries and restricted access for caregivers during procedures.

Innovation Solution

A head support apparatus with a contoured foam pad made from water-based polyurethane foam, which flares outwardly to accommodate the patient's head and includes a C-shaped base, lockable joints, and a mirror for unobstructed access to the patient's airway, ensuring proper positioning and reducing the risk of injury.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Stability of the object's composition

If a traditional rigid head support is used, then structural stability is improved, but patient comfort and safety deteriorate due to potential injuries from head weight

Engineering Contradiction:
Improvestructural stabilityVSAvoidinjury risk from head weight
Core Design Contradiction:
Stability of the object's compositionVSObject-affected harmful factors

Solution Approach 1:

The foam pad changes its physical state from flat to curved under the weight of the patient's head, transforming from a rigid support structure to a compliant cushioning form that contours to the facial structure, thereby reducing injury risk while maintaining stability

Inventive Principle:
Principle #35Parameter changes

Solution Approach 2:

The foam pad is pre-positioned between the head support and the patient's face to provide cushioning before the head weight is applied, preventing direct contact and potential injury from the outset

Inventive Principle:
Principle #11Beforehand cushioning (Prior cushioning)

2Stability of the object's composition

If a solid foam pad is used, then support stability is improved, but access to the patient's airway deteriorates due to obstruction

Engineering Contradiction:
Improvesupport stabilityVSAvoidaccess to airway
Core Design Contradiction:
Stability of the object's compositionVSEase of operation

Solution Approach 1:

A cutout is removed from the foam pad to create an opening that provides direct access to the patient's airway, allowing caregivers to monitor and manage the airway without removing or adjusting the head support

Inventive Principle:
Principle #2Taking out (Extraction)

Solution Approach 2:

The foam pad is segmented into distinct functional zones: a curved support portion for facial contact, a cutout portion for airway access, and side wall portions for structural integrity, allowing each zone to perform its specific function

Inventive Principle:
Principle #1Segmentation

3Ease of manufacture

If a flat foam pad is used, then manufacturing simplicity is improved, but patient comfort and proper positioning deteriorate

Engineering Contradiction:
Improvemanufacturing simplicityVSAvoidproper positioning
Core Design Contradiction:
Ease of manufactureVSEase of operation

Solution Approach 1:

The foam pad transitions from a static flat configuration during manufacturing and storage to a dynamic curved configuration when the patient's head weight is applied, automatically adapting to the patient's facial structure for optimal positioning and comfort

Inventive Principle:
Principle #15Dynamics

Applied Scientific Principles

This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.

Function Achieved in This Case

The apparatus provides effective support for the patient's head, reduces the risk of injury from head weight, and allows for unrestricted access to the patient's airway, enhancing surgical accessibility and safety.

Implementation Method 1

the foam pad moves into the curved state under the weight of a patient's head

Methodology Applied
Scientific EffectElastic deformation: Elasticity

Data Source

PatentEP2722029B1Head support apparatus for spinal surgery
Publication Date: 2017.06.21 ALLEN MEDICAL SYST INC
  • EP2722029B1 patent drawingFigure 1
  • EP2722029B1 patent drawingFigure 2
  • EP2722029B1 patent drawingFigure 3

AI summary

An apparatus comprising a head support (114) including a shell (140)having an upwardly facing concave interior surface (142) contoured to accommodate a patient's face, the shell having a cutout (160) in a region thereof that corresponds to a patient's eyes, nose and mouth, and a relatively flat foam pad (120) having a cutout (178) in a region thereof that corresponds to a patient's eyes, nose and mouth, the foam pad (120) moving from a flat state into a curved state as it moves down into the shell (140) under the weight of a patient's head.