Rotating Heating Device for Uniform Biological Material Thawing

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Solution Overview

Problem

Traditional methods for thawing biological materials are prone to contamination, lack reproducibility, and result in non-uniform heat dispersion, which can damage cells through re-crystallization, due to human variability and inadequate tracking of vials during the heating process.

Innovation Solution

A system with a rotatable heating device equipped with temperature sensors and separate heating elements, controlled by a processor to maintain precise temperature and agitation, minimizing human error and ensuring uniform thawing, while also using cooling devices for temperature regulation and a barcode reader for vial identification and tracking.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Object-affected harmful factors

If traditional water bath heating is used, then heating function is provided, but contamination risk increases due to multiple vials being placed in the same bath

Engineering Contradiction:
Improvecontamination riskVSAvoidheating operation simplicity
Core Design Contradiction:
Object-affected harmful factorsVSEase of operation

Solution Approach 1:

The heating device is divided into multiple independent heating chambers (first heating chamber, second heating chamber, etc.), each capable of holding and heating a single vial independently. This segmentation prevents cross-contamination between multiple vials while maintaining the heating function, as each chamber acts as an isolated environment.

Inventive Principle:
Principle #1Segmentation

2Reliability

If manual heating with human operation is used, then flexibility in handling different vials is achieved, but heating reproducibility decreases due to human variability

Engineering Contradiction:
Improveheating reproducibilityVSAvoidheating system complexity
Core Design Contradiction:
ReliabilityVSDevice complexity

Solution Approach 1:

The heating device incorporates automatic control mechanisms including temperature sensors, heating elements, and control circuits that enable the system to regulate its own heating process without human intervention. The device automatically maintains set temperatures and timing parameters, ensuring reproducible heating conditions across different operations while reducing the complexity burden on the operator.

Inventive Principle:
Principle #25Self-service

3Stability of the object's composition

If static heating without movement is used, then device simplicity is maintained, but heat dispersion uniformity decreases leading to re-crystallization

Engineering Contradiction:
Improveheat dispersion uniformityVSAvoidheating device structure
Core Design Contradiction:
Stability of the object's compositionVSDevice complexity

Solution Approach 1:

The heating device incorporates a rotating mechanism that enables the vial to rotate during the heating process. This dynamic movement ensures uniform heat distribution around the vial by continuously changing the orientation of the vial relative to the heat source, preventing localized overheating and re-crystallization while maintaining relatively simple device structure.

Inventive Principle:
Principle #15Dynamics

4Manufacturing precision

If prolonged heating time is used, then complete thawing is achieved, but cell damage increases due to extended exposure to heat and agitation

Engineering Contradiction:
Improvethawing completenessVSAvoidcell damage
Core Design Contradiction:
Manufacturing precisionVSObject-affected harmful factors

Solution Approach 1:

The heating device incorporates temperature sensors and control circuits that continuously monitor the heating process and provide feedback to the control system. This feedback mechanism allows the device to automatically adjust heating parameters and terminate the process when the predetermined temperature and time conditions are met, ensuring complete thawing while minimizing cell damage from prolonged exposure.

Inventive Principle:
Principle #23Feedback

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

This system enhances the reproducibility and uniformity of the thawing process, reducing cell damage and contamination risks, as demonstrated by improved cellular vitality post-thawing compared to traditional water bath methods.

Implementation Method 1

two heating elements located on opposite sides of the main body

Methodology Applied
Scientific EffectJoule heating: Joule Heating

Implementation Method 2

applying heat to the biological material via a heating device

Methodology Applied
Scientific EffectThermal conduction: Conduction (thermal)

Implementation Method 3

each cooling device comprises a heat sink and a fan

Methodology Applied
Scientific EffectHeat sink: Heat Sink

Implementation Method 4

two cooling devices for assisting temperature regulation located on opposite sides of the main body adjacent the heating elements

Methodology Applied
Scientific EffectForced convection: Forced Convection

Implementation Method 5

two temperature sensors localized in two sides of the main body

Methodology Applied
Scientific EffectThermal sensing: Thermocouple

Data Source

PatentEP2914104B1Method and device for thawing biological material
Publication Date: 2020.04.29 PLURI BIOTECH LTD
  • EP2914104B1 patent drawingFigure 1
  • EP2914104B1 patent drawingFigure 2
  • EP2914104B1 patent drawingFigure 3

AI summary

This disclosure is a system for heating a biological material in a vessel. The system can include a heating device configured to transmit energy to the vessel and a base moveably coupled to the heating device. The system can also include a processor configured to receive an input associated with a target temperature, and transmit a signal to controllably move the heating device relative to the base for a time period, wherein the time period is determined based on the target temperature and content volume.