Endoscopic Retractor Anti-Separation Member Gas Exchange
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Solution Overview
Problem
Conventional endoscopic surgery retractors inefficiently remove smoke from the body, causing interference with the camera's field of view and posing risks due to gas collisions, and the gas supply and exhaust tubes often hinder surgical procedures.
Innovation Solution
A retractor with an anti-separation member featuring a supply hole and an exhaust hole, directly connected to the supply and exhaust member, allowing for quick, stable, and collision-free gas exchange, minimizing tube interference during surgery.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If gas is supplied to the human body and discharged through the supply nozzle and exhaust nozzle provided in the guide member, then gas supply and exhaust function is achieved, but smoke in the human body is not removed efficiently and clean air may be discharged directly to the outside without entering the human body
Solution Approach 1:
The gas supply and exhaust functions are separated into distinct components: the guide member with supply/exhaust nozzles for gas delivery, and the anti-separation member with supply/exhaust holes for smoke removal. This segmentation ensures that fresh air supplied to the human body cannot be directly discharged without entering the body cavity, as the supply and exhaust pathways are spatially separated at the anti-separation member level.
Solution Approach 2:
The anti-separation member acts as an intermediary component between the guide member and the human body cavity. It receives both supply gas from the guide member and smoke for discharge, mediating the gas exchange process to ensure smoke is effectively removed while maintaining proper gas flow into the body cavity.
2Ease of operation
If tubes are connected to the supply nozzle and exhaust nozzle of the penetrating member, then gas supply and exhaust function is achieved, but the tubes interfere with surgery and hinder practitioner movement
Solution Approach 1:
The harmful element (tubes) is extracted from the critical surgical path. The supply and exhaust holes are formed directly in the anti-separation member, allowing gas exchange without requiring tubes to pass through the guide member or interfere with the surgical field. This eliminates the interference problem while maintaining gas supply and exhaust functions.
Solution Approach 2:
The gas supply and exhaust functions are relocated from the guide member (upper portion) to the anti-separation member (lower portion), changing the spatial dimension of gas exchange. This dimensional relocation allows gas flow to occur at a level that does not interfere with surgical instruments and practitioner movements in the upper surgical field.
3Adaptability or versatility
If the guide member is provided with supply nozzle and exhaust nozzle, then gas supply function is achieved, but the structure becomes complex and interferes with surgical instrument insertion
Solution Approach 1:
The retractor is segmented into distinct functional components: the guide member for surgical instrument guidance and the anti-separation member for gas exchange. By separating gas supply/exhaust functions from the guide member, the guide member structure is simplified, improving surgical instrument insertion while the anti-separation member provides the necessary gas exchange capability.
Solution Approach 2:
The anti-separation member is designed to perform multiple functions: preventing retractor separation from the body and facilitating gas supply and exhaust. This multi-functionality consolidates gas exchange capabilities in a component that is already present in the system, avoiding additional complexity in the guide member while maintaining gas supply versatility.
Data Source
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AI summary
The present invention relates generally to a retractor for endoscopic surgery, and more particularly, to a retractor for endoscopic surgery, the retractor being configured to supply and discharge gas to and from a human body, or directly to and from a human body. The retractor includes: a penetrating member penetrating through a human body; an anti-separation member provided at a lower portion of the penetrating member to prevent separation of the retractor from the human body; and a supply and exhaust member for supplying or exhausting gas, wherein the anti-separation member is provided with at least one of a supply hole to supply gas to the human body and an exhaust hole to exhaust gas from the human body by communicating with the supply and exhaust member, whereby gas supply or gas exhaust is performed through the anti-separation member.