Related Manuals for ST&G L1311A
Summary of Contents for ST&G L1311A
- Page 1 Instructions for L1311A Weight Activated Brake Knee with Manual Lock ST&G USA Corp. Phone: (714) 524-0663 2691 Saturn St. Fax: (714) 364-8113 Brea, CA 92821 www.stngco.com...
-
Page 2: Description And Purpose
1 Description and purpose Prosthetist instructions. L1311A knee is for lower limb prosthesis. Recommended for K1 up to K2. Weight limit for a user is up to 125kg / 275lbs Ability to lock knee in full extension as part of rehabilitation process. - Page 3 2. Construction Principal Parts Frame Aluminum Alloy Knee control Various materials principally Aluminum Alloy, Brass, Stainless Steel, Poly Urethane...
-
Page 4: Safety Information
Overview Due to unique construction, the L1311A knee joint can be used both as a locking joint with manual release, and as a weight activated brake knee joint as the user's mobility progresses. The L1311A is particularly suitable for above-knee... -
Page 5: Maintenance
5 Maintenance Maintenance must be carried out by qualified personnel. Bi-Annual inspection 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
Anterior to knee center (centerline of pylon) Alignment for the L1311A should be adhered to so as to enable a stable and safe functioning prosthesis for the wearer. The recommended alignment is 10mm anterior to the Knee Center which will have the weight line on the centerline along the length of the pylon. Weight line should also be along the centerline of the pylon in the sagittal plane so as to not promote undue stress on the knee joint axis. - Page 7 8 Knee Adjustment The L1311A is supplied by the factory in the basic setting. Carefully assess the brake function with the wearer during the dynamic initial fitting to see if the basic setting is optimal. If adjustment is necessary, it is best to start with the Stance Phase adjustment and then go to Swing Phase adjustments.
- Page 8 8.2 SWING PHASE - Friction Adjustment The Knee Friction Adjustment screw is located towards the bottom of the knee joint on the anterior and can be adjusted with a 3mm hex wrench. (fig. 2) Readjusting the knee friction setting. NOTE: Minor adjustments of as little as 3 degree turn will provide a notable difference! The knee friction effect may occur anyway during initial swing (prosthesis sticks) depending on the...
- Page 9 8 Knee Adjustment 8.4 Unlocked Knee Mode - Manual Lock Disable Procedure Note: Lock should only be disabled by the prosthetist when patient has been released to have the ability to control the prosthesis without the need for the manual lock mechanism! Manual Lock Disable: Lock mechanism- •...
- Page 10 The Dual Function Lanyard Handle The Dual Function Lanyard Handle has the ability to keep the knee in either the temporary unlocked or locked position. Knee lock range Retainer tabs Knee unlock range Cable retainer set screw locations Lanyard cable entry and exit holes Setting the Dual Function Lanyard Handle on the Lanyard Cable: Once the retainer screw is mounted with the star nut on the socket (refer to...
- Page 11 Attachment of Lanyard Handle Star Nut: The Star Nut needs to be laminated into the socket. Depending on the nut supplied, the hole should be burnished through, and then: If the Star Nut is not threaded, drill out with 3mm drill bit and tap with 4mm tap. If the Star Nut is threaded, chase threaded nut to clean thread with 4mm tap.
- Page 12 Apply Masking tape over the whole area to enable a smooth and relatively flat blended in surface – if the screw sticks through the tape, that is ok. You want to be sure that the Star Nut is completely covered so it stays in place when the hole is either chased, or drilled and tapped.
-
Page 13: Technical Specification
9 Technical Specification Operating & Storage Temperature Range: -10˚C to 50˚C ( 14˚F to 122˚F) Weight: 495g Recommended Activity: K1, K2 Maximum User Weight: 125kg (275lbs) Maximum flexion angle (without socket): 145 degrees Proximal Alignment attachment: Pyramid Distal Alignment attachment: 30mm Tube Clamp Tube clamp torque setting: 16Nm... -
Page 14: 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. - Page 15 ST&G USA Corporation www.stngco.com e-mail: info@stngco.com 2691 Saturn Street, Brea, CA 92821, USA Tel: 1-714-524-0663 Fax: 1-714-364-8113 Rev. A (05-09-18) L1324IFU...
Need help?
Do you have a question about the L1311A and is the answer not in the manual?
Questions and answers