Summary of Contents for ST&G 1311S
- Page 1 Instructions for 1311S Weight Activated Brake Knee ST&G USA Corp. Phone: (714) 524-0663 2691 Saturn St. Fax: (714) 364-8113 Brea, CA 92821 www.stngco.com...
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Page 2: Description And Purpose
Description and purpose Prosthetist instructions. 1311S knee is for lower limb prosthesis. ∙ Recommended for K1, K2. ∙ Designed for low activity patient. ∙ Weight limit for a user is up to 100kg / 220lbs ∙ Ability to get knee in full extension as part of rehabilitation process. - Page 3 Construction Principal Parts 1311S Frame Stainless Steel, Steel, Brass, Plastic Description Upper Joint Section with Pyramid Lower Joint Section Swing Block Knee Axis Swing Axis Pressure Block M6x12 Set Screw Plastic Block Compression Spring Plastic Guide Pin Stance Control Adjustment...
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Page 4: Safety Information
Function The 1311S is a single axis mechanical knee with weight activated locking ∙ feature. Pyramid mounting option ∙ Adjustable Spring Extension Assist with mounting cable, attachment block, cover ∙ Knee is not intended for walking without extension assist ∙... - Page 5 Maintenance ∙ Maintenance must be carried out by qualified personnel. ∙ Bi-Annual inspection to be sure brake function is satisfactory is recommended. ∙ Check for visual defects that may affect proper function. ∙ A loaner system is available should servicing be required. The wearer should be advised: Any changes in performance of this device must be reported to the Clinician / Practitioner.
- Page 6 Alignment and Set-Up Users be aware of potential finger trap hazard Note: The 1311 is a single axis knee with weight activated brake feature. This knee is not intended for variable cadence, high activity wearer, or without spring extension assist. BENCH ALIGNMENT: a) With prosthesis assembled, taking into account hip flexion contractures, abduction, Line Of Progression, and toe out , the TKA plumb line should pass 10mm anterior to...
- Page 7 Adjusting Swing and Stance Phase IMPORTANT! The knee must be adjusted to the individual needs of each patient. NOTE: Swing Phase and Stance Phase are individually adjusted through the degree of adjustable spring extension assist force and friction (Swing) and the adjusted braking action which is dependent upon weight bearing (Stance).
- Page 8 Adjusting Swing and Stance Phase…Continued Swing Phase Speed Friction Adjustment: Knee movement resistance between the knee axis and the brake bushing is adjusted with the set screw in the posterior section of the knee using 3mm hex wrench. (Fig. 3) Set Screw Rotation: Clockwise = increase friction Anti-clockwise = reduce friction...
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Page 9: Technical Specification
Technical Specification ∙ Operating & Storage Temperature Range: -10˚C to 50˚C ( 14˚F to 122˚F) ∙ Weight: 1311T/1311S 362g/532g ∙ Recommended Activity: K1, K2 ∙ Maximum User Weight: 120g (220lbs) ∙ Maximum flexion angle: 150 degrees ∙ Proximal Alignment attachment: Male Pyramid ∙... -
Page 10: Warranty
Warranty Warranted for 2 years from the date of invoice by ST&G. The user should be aware that changes or modifications not approved will void the warranty. ST&G products are manufactured and tested for a particular weight and activity impact level.
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