Endoscope Connector Body Rotation Mechanism
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Solution Overview
Problem
Existing endoscope treatment tools face challenges in maintaining operability when either a syringe or a water supply tube is connected to the water injection connector, as the configuration of the connector body's rotation affects the tool's usability.
Innovation Solution
The endoscope treatment tool features a connector body that is rotatable around a rotation axis, with an operation part body that includes a rotation stopper and an abutting surface. This allows the connector body to transition between a rotation restricted state and a rotation allowed state, enabling favorable usability regardless of whether a syringe or water supply tube is used.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If the connector body is connected to the operation part body such that the connector body cannot rotate, then it is easy to connect a syringe to the water injection connector and maintain a predetermined direction, but the water supply tube may hinder the operation of the endoscope treatment tool when there is a change in positional relationship
Solution Approach 1:
The connector body is designed to be rotatable relative to the operation part body, allowing it to dynamically adjust its orientation. This rotational freedom enables the connector body to adapt to different operational positions and orientations, resolving the contradiction between maintaining a fixed direction for syringe connection and adapting to changing positional relationships for water supply tube operation.
2Adaptability or versatility
If the connector body is connected to the operation part body such that the connector body can rotate, then the positional relationship changes can be absorbed with rotation, but the syringe hangs down due to weight and swings during operation
Solution Approach 1:
The connector body's rotatable connection allows it to dynamically adjust and absorb changes in positional relationship. This dynamic capability enables the system to adapt to different orientations and positions while maintaining proper syringe alignment, resolving the contradiction between adaptability and operational stability.
3Device complexity
If the connector body is rigidly connected to the operation part body, then the structure is simple, but the tool cannot adapt to different operational configurations
Solution Approach 1:
By introducing a rotatable connection between the connector body and operation part body, the patent adds minimal complexity while achieving significant adaptability. The rotational degree of freedom allows the connector body to assume different orientations and positions, enabling adaptation to various operational configurations without requiring a completely complex mechanism.
Data Source
AI summary
Provided is an endoscope treatment tool of which the usability is favorable regardless of which of a syringe and a water supply tube is used by being connected to a water injection connector. A connector body (18) is connected to an operation part body (22) such that the connector body (18) is rotatable around a rotation axis (28). The operation part body (22) includes a rotation stopper (60) that restricts rotation of the connector body (18). The connector body (18) includes an abutting surface (62) that abuts the rotation stopper (60). The connector body (18) is capable of transitioning between a rotation restricted state, in which the abutting surface (62) abuts the rotation stopper (60) such that rotation of the connector body (18) in one direction is restricted, and a rotation allowed state, in which the abutting surface (62) abutting the rotation stopper (60) is released and rotation of the connector body (18) in both directions is allowed, by rotating with respect to the operation part body (22).