Continuous Smoke Evacuation System for Endoscopic Surgery
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Solution Overview
Problem
Conventional surgical gas delivery systems require dedicated pressure sensing lumens and intermittent gas flow to monitor body cavity pressure, which can lead to inefficiencies in smoke evacuation and increased equipment clutter during minimally invasive procedures.
Innovation Solution
A multimodal surgical gas delivery system that maintains continuous gas flow to and from the body cavity, using a processor to adjust flow rates and pressures based on real-time measurements from flow and pressure sensors, allowing for continuous pressure monitoring and improved smoke evacuation without the need for additional connections or equipment.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If dedicated pressure sensing lumens and intermittent gas flow are used to monitor body cavity pressure, then pressure monitoring capability is provided, but smoke evacuation efficiency deteriorates and equipment clutter increases
Solution Approach 1:
The patent combines pressure monitoring and smoke evacuation functions into a single integrated system. The smoke evacuator is configured to continuously remove smoke while maintaining pneumatic seal integrity, eliminating the need for separate pressure sensing lumens and intermittent flow cycles. This merging of functions allows continuous smoke evacuation without compromising pressure monitoring capability.
Solution Approach 2:
The insufflation gas delivery system is designed to perform multiple functions simultaneously: it maintains pneumatic seal, enables continuous smoke evacuation, and provides pressure monitoring through the same gas flow path. The system universally handles insufflation, smoke removal, and pressure sensing through its multi-functional architecture, reducing equipment clutter.
2Measurement precision
If dedicated pressure sensing lumens and intermittent gas flow are used, then pressure monitoring is achieved, but equipment complexity increases
Solution Approach 1:
The patent merges pressure monitoring and smoke evacuation equipment into a single integrated system. The smoke evacuator incorporates pressure sensing capability, eliminating the need for separate dedicated pressure sensing lumens and reducing the number of discrete components in the operating room.
Solution Approach 2:
The insufflation gas delivery system is designed as a universal platform that performs insufflation, smoke evacuation, and pressure monitoring through its multi-functional architecture. This reduces equipment clutter by consolidating multiple functions into one system rather than requiring separate dedicated devices for each function.
3Measurement precision
If intermittent gas flow is used for pressure monitoring, then pressure data can be obtained, but continuous smoke evacuation is compromised
Solution Approach 1:
The patent implements continuous smoke evacuation by configuring the smoke evacuator to operate continuously rather than intermittently. The system maintains constant gas flow through the abdominal cavity, allowing uninterrupted smoke removal while simultaneously obtaining continuous pressure data through the same flow path.
Solution Approach 2:
The patent combines pressure monitoring and smoke evacuation functions into a single integrated system. The smoke evacuator is configured to continuously remove smoke while maintaining pneumatic seal integrity, eliminating the need for separate pressure sensing lumens and intermittent flow cycles. This merging of functions allows continuous smoke evacuation without compromising pressure monitoring capability.
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 efficient and continuous monitoring of body cavity pressure and smoke evacuation, reducing equipment needs and maintaining optimal insufflation pressures, thus enhancing surgical efficiency and reducing clutter in the operating room.
Implementation Method 1
a pump communicating with the inlet flow path for delivering an essentially continuous flow of gas to the body cavity and with the outlet flow path for removing an essentially continuous flow of gas from the body cavity
Implementation Method 2
a flow sensor operatively associated with the insufflation conduit for measuring a gas flow rate through the insufflation conduit
Implementation Method 3
a pressure sensor operatively associated with the insufflation conduit for measuring a body cavity pressure
Implementation Method 4
a processor for determining a body cavity pressure corresponding to a given driving pressure based upon a gas flow measurement from the flow meter
Data Source
AI summary
An evacuation system for continuously removing gas from a body cavity of a patient during an endoscopic surgical procedure is disclosed, which includes an inlet flow path leading to a first trocar communicating with the body cavity through which an essentially continuous flow of gas is delivered to the body cavity, an outlet flow path leading from a second trocar communicating with the body cavity though which an essentially continuous flow of gas is removed from the body cavity, a pump communicating at least with the outlet flow path for removing an essentially continuous flow of gas from the surgical cavity, and a processor operatively associated with the pump for controlling at least the essentially continuous flow of gas from the body cavity.