Endoscope Irrigation and Suction Pressure Control at the Anatomical Site
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Solution Overview
Problem
Endoscopic procedures face challenges in maintaining stable pressure at the anatomical site, as fluctuations in irrigation and suction can harm internal organs.
Innovation Solution
A pressure control system that includes a user input, pressure sensor, and control module to adjust irrigation and suction flow rates to maintain desired pressure levels during procedures.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If irrigation flow rate is increased to improve tissue removal efficiency, then productivity is improved, but pressure of anatomical environment increases causing harmful effects to internal organs
Solution Approach 1:
The system employs a pressure sensor to continuously monitor the pressure of the anatomical environment and feeds this information back to a control module. The control module automatically adjusts the irrigation flow rate based on the sensed pressure to maintain pressure within a safe range, thereby resolving the contradiction between maintaining high productivity and preventing harmful pressure effects on internal organs
Solution Approach 2:
The system dynamically changes the irrigation flow rate parameter in response to pressure conditions. When pressure exceeds a predetermined safe level, the control module reduces the irrigation flow rate, thus maintaining productivity while preventing harmful pressure buildup in the anatomical environment
2Productivity
If suction flow rate is increased to improve debris removal, then productivity is improved, but pressure of anatomical environment decreases causing harmful effects to internal organs
Solution Approach 1:
The pressure sensor continuously monitors anatomical environment pressure and provides feedback to the control module. When pressure drops below a safe threshold due to excessive suction, the control module automatically reduces the suction flow rate, thereby maintaining efficient debris removal while preventing harmful negative pressure effects on internal organs
Solution Approach 2:
The system dynamically adjusts the suction flow rate parameter based on real-time pressure feedback. The control module reduces suction flow rate when pressure falls outside the safe range, thus maintaining productivity while protecting internal organs from harmful pressure changes
3Reliability
If pressure control system is implemented to maintain stable pressure, then reliability is improved, but device complexity increases
Solution Approach 1:
The system uses a pressure sensor and control module to automatically monitor and adjust irrigation and suction flow rates based on real-time pressure feedback, maintaining stable pressure without requiring complex manual intervention or sophisticated control algorithms
Solution Approach 2:
The pressure control system operates autonomously by automatically sensing pressure conditions and adjusting flow rates without user intervention. The control module self-regulates the irrigation and suction flows based on pressure feedback, simplifying operation while maintaining high reliability through automated pressure stabilization
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
Stabilizes anatomical site pressure, reducing harm to internal organs and shortening procedure time while enhancing patient safety.
Implementation Method 1
a pressure sensor configured to sense a pressure of the anatomical environment
Implementation Method 2
adjust one or more of an irrigation flow rate or a suction flow rate of at least one working channel of the endoscope
Data Source
AI summary
Systems and methods of in situ pressure control at an anatomical environment during a procedure are disclosed. An exemplary irrigation and suction system comprises a user input configured to receive from a user a desired pressure to be applied to the anatomical environment, or a desired flow condition corresponding to the desired pressure. The system comprises a pressure sensor to sense a pressure at or near the anatomical environment, and a control module to adjust one or more of an irrigation flow rate or a suction flow rate of at least one working channel of a medical device to maintain the pressure of the anatomical environment at substantially a level of the desired pressure, or to maintain the desired flow condition in the working channel during the procedure.