Summary of Contents for ST&G L1322
- Page 1 Instructions for L1322 Polycentric Pneumatic 4 Bar Knee With Manual Lock ST&G USA Corp. Phone: (714) 524-0663 2691 Saturn St. Fax: (714) 364-8113 i-02 Brea, CA 92821 www.stngco.com...
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Page 2: Description And Purpose
1. Description and purpose These instructions are for use by the practitioner. The L1322 knee is to be used exclusively as part of a lower limb prosthesis. Recommended for amputees K2 to K3. Weight limit for a user is up to 125kg / 275lbs ... -
Page 3: Principal Parts
2. Construction Principal Parts Frame Aluminum Alloy, Brass, Stainless Steel, Steel Knee Aluminum Alloy, Stainless Steel Knee control Various materials principally Aluminum Alloy, Stainless Steel, Poly Urethane, Pneumatic Cylinder Fig. 1 (a) Posterior View (b) Anterior View c) Lateral View... -
Page 4: Safety Information
3. Function Adjustable extension assist Independently adjustable pneumatic flexion and extension resistances Pyramid mount 30mm Distal Tube Clamp Built-in bearings which allow for ultra smooth walking movement Frame construction of superlight aluminum alloy Anterior mounted manual lock for full extension position ... -
Page 5: Maintenance
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 7. Alignment and Set-Up Users be aware of potential finger trap hazard Fig. 2b Fig. 2a Fig. 2c...
- Page 7 BENCH ALIGNMENT: Note: 4-bar knees inherently are very stable due to the geometry built into each design. This is commonly referred to as the Instant Knee Center (IKC). The IKC point when doing bench alignment, will fall behind the traditional TKA line that we will reference.
- Page 8 8 Knee Adjustment 8.1 Flexion / Extension Adjustment Swing Phase Pneumatic setting is pre-set from the factory. Extension or flexion adjustment is only needed if the clinician finds the wearer shows a need for higher or lower walking speeds. Swing Phase Control Adjustment: It is advisable to adjust flexion before extension for optimum walking symmetry.
- Page 9 8.2 Manual Lock Lever Unlock position is to the right and down Locked position is in the upper most resting notch position to the left Note: Manual lock only works with knee if full extension! 9 Maintenance of Knee Unit 9.1 Servicing Flexion and Extension Stop Bumpers Use a small screw driver to pick out the rubber bumpers on the back of...
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Page 10: Technical Specification
10 Technical Specification Operating & Storage Temperature Range: -10˚C to 50˚C ( 14˚F to 122˚F) Weight: 875g Recommended Activity: K2 to K3 Maximum User Weight: 125kg (275lbs) Maximum flexion angle: 135 degrees Proximal Alignment attachment: Male Pyramid Lock Mechanism Manually positioned lever Distal Alignment attachment: Tube Clamp Tube clamp torque setting:... -
Page 11: Warranty
10 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. 11 Liability The manufacturer recommends using the device only under the specified conditions and for the intended purposes.
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