Magnetic Pumping Heart Simulator for Unobstructed Access

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Solution Overview

Problem

Current cardiac training simulations lack a realistic pumping heart, as mechanical components obstruct access to anatomical parts and do not simulate blood flow, making it difficult to train for procedures requiring access to heart cavities.

Innovation Solution

A pumping heart simulator using magnetic motors in inflow and outflow pumps, controlled by a apparatus to simulate diastolic and systolic phases without inserting mechanical components, with a fluid reservoir and valves to mimic blood flow.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If a pneumatic balloon is placed inside the heart cavity to simulate pumping, then the heart pumping function is simulated, but mechanical components obstruct access to anatomical parts within the cavity

Engineering Contradiction:
Improveheart pumping simulationVSAvoidaccess to anatomical parts
Core Design Contradiction:
ReliabilityVSEase of operation

Solution Approach 1:

The patent removes the mechanical pumping component (pneumatic balloon) from inside the heart cavity and relocates it to an external pump system. This extraction eliminates the obstruction to anatomical access while maintaining the pumping simulation function through external fluid circulation.

Inventive Principle:
Principle #2Taking out (Extraction)

Solution Approach 2:

The patent introduces simulated blood as an intermediary fluid to transmit the pumping action from the external pump to the heart cavity. This mediator enables indirect pumping without requiring mechanical components inside the cavity, thus preserving access to anatomical structures.

Inventive Principle:
Principle #24Intermediary (Mediator)

2Reliability

If a pneumatic balloon is used to simulate heart pumping, then pumping action is achieved, but navigation through anatomy in the presence of blood cannot be taught

Engineering Contradiction:
Improvepumping action simulationVSAvoidtraining for procedures requiring blood presence
Core Design Contradiction:
ReliabilityVSAdaptability or versatility

Solution Approach 1:

The patent uses simulated blood as a copy or analog of real blood to create a realistic training environment. This copy maintains the visual and physical properties of blood without the risks associated with real biological material, enabling versatile training scenarios.

Inventive Principle:
Principle #26Copying

Solution Approach 2:

Simulated blood serves as an intermediary that replicates the properties of real blood for training purposes. It enables navigation and procedural training in a realistic fluid environment while eliminating safety concerns and allowing repeated use.

Inventive Principle:
Principle #24Intermediary (Mediator)

3Reliability

If mechanical components are inserted inside the heart cavity to simulate pumping, then pumping function is achieved, but training for intra-cardiac procedures is limited

Engineering Contradiction:
Improvepumping simulationVSAvoidtraining for intra-cardiac procedures
Core Design Contradiction:
ReliabilityVSAdaptability or versatility

Solution Approach 1:

The patent extracts the pumping mechanism from the heart cavity and places it externally. This removal of mechanical components from the cavity enables unrestricted access for practicing intra-cardiac procedures while the external pump continues to provide realistic pumping simulation through fluid circulation.

Inventive Principle:
Principle #2Taking out (Extraction)

Solution Approach 2:

The external pump system serves the heart cavity remotely, providing pumping function without requiring physical presence inside the cavity. This self-service arrangement allows the training system to simultaneously provide pumping simulation and unobstructed access for procedural training.

Inventive Principle:
Principle #25Self-service

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

Enables realistic training for cardiac procedures by simulating a pumping heart in the presence of simulated blood without obstructing access, allowing for effective practice of complex heart surgeries.

Implementation Method 1

The inflow pump can have a first magnetic motor that facilitates flow of fluid from a bottom portion of a fluid reservoir to three inlet valves of a heart via the inflow pump

Methodology Applied
Scientific EffectMagnetic motor: Electromagnetic Propulsion

Implementation Method 2

The outflow pump can have a second magnetic motor that facilitates flow of fluid from two outlet valves of the heart to a top portion of the fluid reservoir via the outflow pump

Methodology Applied
Scientific EffectMagnetic motor: Electromagnetic Propulsion

Data Source

PatentUS11881121B2Pumping heart simulator
Publication Date: 2024.01.23 THE AGA KHAN UNIV
  • US11881121B2 patent drawing
  • US11881121B2 patent drawing

AI summary

A pumping heart simulator is described. The pumping heart simulator can include an inflow pump, an outflow pump, and a control apparatus. The inflow pump can have a first magnetic motor that facilitates flow of fluid from a bottom portion of a fluid reservoir to three inlet valves of a heart via the inflow pump. The outflow pump can have a second magnetic motor that facilitates flow of fluid from two outlet valves of the heart to a top portion of the fluid reservoir via the outflow pump. The control apparatus can alternately activate the first magnetic motor and the second magnetic motor. Related apparatuses, systems, methods, techniques and articles are also described.