Thrombus Removal Catheter With Fluid Fragmentation and Aspiration
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Solution Overview
Problem
Existing thrombectomy devices are ineffective in navigating tortuous vascular anatomy, fail to effectively remove tough and large clots, and lack real-time sensor feedback, leading to untreated deep vein thrombosis and pulmonary embolism in some patients.
Innovation Solution
A thrombus removal system with an elongated catheter featuring fluid delivery and aspiration mechanisms, utilizing pressurized fluid streams and particulate media to fragment and aspirate clots, equipped with sensors for real-time feedback.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If conventional aspiration devices are used, then the device structure is simple, but the device cannot effectively remove tough and large clots
Solution Approach 1:
The catheter incorporates multiple separate lumens (first lumen for fluid delivery, second lumen for particulate media delivery, third lumen for aspiration) that work together to achieve effective clot removal. This segmentation allows each lumen to perform a specific function, enabling the device to handle tough and large clots while maintaining a manageable structure
Solution Approach 2:
The device merges multiple functions into a single catheter system: fluid delivery for fragmentation, particulate media delivery for maceration, and aspiration for removal. This combination allows the device to effectively remove various clot morphologies without requiring multiple separate devices
2Adaptability or versatility
If simple aspiration is used, then the operation is easy, but the device cannot navigate tortuous vascular anatomy
Solution Approach 1:
The catheter is designed with flexible characteristics that allow it to dynamically adapt to tortuous vascular anatomy. The flexible structure enables the catheter to navigate complex blood vessel paths while maintaining the ability to deliver fluids and perform aspiration effectively
3Loss of information
If conventional thrombectomy devices are used, then the device structure is simple, but the device lacks real-time sensor feedback
Solution Approach 1:
The catheter incorporates sensors that provide real-time feedback during the thrombectomy procedure. This feedback mechanism allows clinicians to monitor the procedure progress and adjust parameters accordingly, improving patient outcomes while the modular sensor integration keeps the overall device structure manageable
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
Facilitates efficient removal of various clot morphologies by fragmenting and aspirating large, firm clots while providing sensor data for effective thrombectomy procedures.
Implementation Method 1
two or more apertures in fluid communication with the least one fluid lumen and configured to generate two or more fluid streams to mechanically fractionate a target thrombus
Implementation Method 2
aspiration mechanisms
Data Source
AI summary
The present technology relates to systems and methods for removing a thrombus from a blood vessel of a patient. In some embodiments, the present technology is directed to systems including an elongated catheter having a distal portion configured to be positioned within the blood vessel of the patient, a proximal portion configured to be external to the patient, and a lumen extending therebetween. The system can also include a fluid delivery mechanism coupled with a fluid lumen and configured to apply fluid, including a particularized media, to at least partially fragment the thrombus.