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Below knee prosthetic suspension systems are crucial components that secure a prosthetic limb to the residual limb, ensuring stability, comfort, and functionality. These systems come in various types, each designed to meet specific needs and preferences of the user.
Pin Lock Systems
This system uses a pin attached to the end of a gel liner. The pin locks into a mechanism at the bottom of the prosthetic socket, providing secure attachment.
Suction Suspension
This system creates a vacuum seal between the prosthetic socket and the residual limb. It typically uses a one-way valve to expel air, creating a secure suction fit.
Vacuum-Assisted Suspension
This advanced system enhances suction suspension by using a vacuum pump to actively maintain a higher level of suction, providing a more secure and intimate fit.
Sleeve Suspension
A neoprene or silicone sleeve is rolled over the top of the prosthetic socket and the residual limb, creating friction that holds the prosthesis in place.
Anatomical Suspension
This method relies on the shape and contours of the residual limb and socket design to provide a secure fit, often used in combination with other suspension types.
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