Femoral Compression System With Pulse Feedback Control
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Solution Overview
Problem
Current femoral compression systems for managing blood flow after vascular procedures can lead to ischemia due to inadequate blood supply and require extensive hospital resources, necessitating a solution that minimizes resource usage and ensures patient safety by allowing for real-time pulse detection and pressure control.
Innovation Solution
A femoral compression system equipped with a pulse detector, pressure transducer, and control unit that automatically adjusts the pressure of an inflatable air cushion to match the patient's pulse, preventing excessive compression and ensuring optimal hemostasis through a customizable compression schedule.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If compression pressure is increased to stop blood flow and achieve hemostasis, then bleeding control is improved, but risk of ischemia increases due to insufficient blood supply
Solution Approach 1:
The system continuously monitors the patient's pulse and uses this feedback to automatically adjust compression pressure. The pulse detector senses blood flow changes, and the control unit modulates the compression element's pressure in real-time to maintain hemostasis while preserving adequate blood supply, thereby preventing ischemia.
Solution Approach 2:
The compression pressure is made dynamic rather than static. The system automatically varies the compression level based on detected pulse signals, adjusting pressure upward when bleeding is detected and downward when adequate circulation is restored, optimizing both hemostasis and patient safety throughout the procedure.
2Device complexity
If manual monitoring and adjustment of compression pressure is used, then system complexity is reduced, but procedure duration increases and hospital resources are consumed
Solution Approach 1:
The system performs self-monitoring and self-adjustment of compression pressure without requiring continuous manual intervention. The automated pulse detection and pressure control mechanisms enable the system to regulate itself, reducing the need for constant healthcare professional attention and minimizing procedure duration.
Solution Approach 2:
Manual mechanical monitoring and adjustment is replaced with automated electronic sensing and control systems. The pulse detector, pressure transducer, and control unit work together to automatically regulate compression, eliminating the need for continuous manual assessment and adjustment by healthcare providers.
3Reliability
If constant high compression pressure is applied to ensure hemostasis, then bleeding control is improved, but patient integrity is compromised and hospital resources increase
Solution Approach 1:
Instead of applying constant high compression, the system uses periodic modulation of pressure based on pulse detection. The compression is intensified only when bleeding is detected and relaxed when hemostasis is achieved, providing effective bleeding control while minimizing prolonged patient discomfort and maintaining patient integrity.
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 optimizes hemostasis, reduces hospital resource utilization, and enhances patient safety by dynamically regulating pressure to prevent ischemia and bleeding, thereby shortening procedure duration and improving patient integrity.
Implementation Method 1
a pressure transducer adapted to sense the pressure within the compression element
Implementation Method 2
a blood pressure pulse detector adapted to sense the patient's blood pressure pulse and to generate a pulse signal in dependence thereto
Implementation Method 3
an inflatable compression element adapted to apply a pressure against the puncture site
Data Source
AI summary
The present invention relates to a femoral compression system (14) for applying compression against a puncture site of a vessel in a patient, and a method for applying compression with a femoral compression system. The compression system (14) comprises an inflatable compression element (15) adapted to apply a pressure against the puncture site, a tightening unit (23) adapted to extend around a part of, or the whole of, the patients body to fixate and to tighten the compression element (15) against the puncture site, a pump (16) adapted to inflate the compression element (15), a valve (17) adapted to deflate the compression element (15), a pressure transducer (18) adapted to sense the pressure within the compression element (15). The system further comprises a blood pressure pulse detector (19) adapted to sense the patient's blood pressure pulse and to generate a pulse signal in dependence thereto that is applied to a control unit (20) that is connected to the pump (16), valve (17) and pressure transducer (19), wherein the control unit (20) is adapted to control the pressure within the compression element (15) in dependence of the pulse signal, by applying control signals to said pump (16) and valve (17).