Hybrid Pin + Suction Suspension Socket

Create a realistic 3D engineering concept model of a hybrid lower-limb prosthetic socket suspension system designed to reduce vertical pistoning of the residual limb during walking. The design combines a conventional shuttle-lock pin suspension system with a passive suction valve as a proposed supplementary suspension mechanism. MAIN COMPONENTS: 1. A rigid, anatomically shaped lower-limb prosthetic socket with a hollow interior and a clearly visible opening at the distal end. 2. A soft removable silicone or elastomeric liner fitted inside the socket, representing the interface between the residual limb and the socket. 3. A small metal suspension pin attached to the distal end of the liner. 4. A mechanical shuttle-lock housing mounted at the bottom of the socket, with a visible central opening that receives and locks the liner pin. 5. A compact passive one-way suction valve integrated into the socket wall or distal socket area, visually connected to the sealed liner-socket space through a small air passage. The valve should be represented as a conceptual component; its final position requires engineering validation. 6. A clear interface between the liner, socket, pin, lock, and valve, with each component visually distinguishable. FUNCTIONAL CONCEPT: The shuttle lock provides the primary mechanical attachment by engaging the liner pin. The passive suction valve is intended to help maintain negative pressure within the sealed interface and potentially reduce unwanted vertical movement between the residual limb and the socket during walking. Show the intended airflow path using subtle directional arrows and indicate the area where pistoning may occur. Do not add electronic sensors, motors, batteries, pumps, or smartphone components. VISUALIZATION: Create a clean, professional biomedical engineering product model with realistic proportions, smooth medical-grade polymer surfaces, a soft silicone liner, and metallic lock components. Include a partial cutaway view that reveals the internal liner and distal locking mechanism. Arrange the main components so their connections are easy to understand, similar to an engineering prototype presentation. Use a neutral studio background, realistic materials, accurate-looking mechanical details, and a front three-quarter view. The result should look like a plausible early-stage biomedical engineering design concept, not a futuristic science-fiction prosthesis. Prioritize clear component relationships and the hybrid suspension concept over decorative details. Do not include text labels, logos, people, or a full human body.

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