Intracardiac Pump Guidewire Loading Lumen Design
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Solution Overview
Problem
Existing intracardiac blood pumps face challenges in reliable guidewire loading, which can lead to device damage and improper operation.
Innovation Solution
A guidewire loading lumen is introduced that extends through the intracardiac pump device along a desired guidewire path, allowing for precise positioning of the guidewire without damaging the device.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a guidewire is manually positioned through the pump device, then the device can be operated, but the guidewire may damage the device or be improperly positioned
Solution Approach 1:
A loading lumen is introduced as an intermediary component that facilitates guidewire insertion. The lumen provides a protected pathway through the pump device, allowing the guidewire to be threaded safely without direct contact with internal components that could be damaged. This mediator structure resolves the contradiction by enabling easy guidewire loading while ensuring reliable, damage-free positioning.
Solution Approach 2:
The loading lumen is pre-positioned within the pump device before guidewire insertion. This preliminary setup creates a ready-made pathway that guides the guidewire through the correct route, eliminating the need for complex manual positioning maneuvers and preventing improper placement before the actual loading operation begins.
2Reliability
If the guidewire path is not precisely defined, then the device structure remains simple, but the guidewire may damage the device or operate improperly
Solution Approach 1:
The loading lumen serves as a structural intermediary that defines the guidewire path without requiring complex external guiding mechanisms. By embedding the lumen within the device, the patent creates a self-contained pathway structure that is more complex than a simple open path but far simpler than external guiding systems, while significantly improving reliability.
Solution Approach 2:
The loading lumen is nested within the pump device structure, with the lumen pathway embedded inside the device housing. This nesting approach integrates the guidewire path definition into the existing device architecture, adding minimal structural complexity while ensuring reliable guidewire positioning throughout the device.
Data Source
AI summary
An apparatus is disclosed including: an intracardiac pump device having a path for a guidewire extending through the pump device from a first opening to a second opening; and a lumen which extends from a first end located outside of the pump device, into the pump device through the first opening in the pump device, along the path for the guidewire, out of the pump device through the second opening, and to a second end located outside of the pump device. The lumen is configured to receive the guidewire such that when the guidewire passes through the lumen from the first end to the second end, the guidewire is positioned along the path.