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Positioning the Fingers • Flex wrist to bend fingers • Extend wrist to extend fingers Positioning the Partial M-Finger • Have patient flex knuckle (MCP joint) to flex finger • Have patient extend knuckle (MCP joint) to extend finger Positioning the M-Thumb •...
Inspection/Maintenance • Users should clean the inside of the prosthesis and silicone liner with fragrant-free, anti-bacterial wipes daily. • Check attachment screws to ensure they are tight. • Evaluate cabling to make sure it is not fraying. • Inspect grip tip for wear and replace as needed •...
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Repairs/Replacements (Full M-Finger) Spring Assembly - If needed, the fingers can be disassembled to replace springs. Install spring into tip as shown. Align spring loop with screw hole and insert screw through spring loop and screw in place using a Phillips screwdriver.
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Apply tension to pull spring loop Install base spring. Align spring loop back to screw hole. Once you see the with screw hole, insert 0-80 screw spring loop through the screw hole and tighten with Phillips screwdriver insert Long 0-80 screw to lock spring to lock spring in place.
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Cable Assembly - If needed, the fingers can be disassembled to replace the cable in the cable assembly. If replacing cable due to wear, remove existing cable and re-route as shown. Remove cable set screw with the Push out knot from 1/16” hole on Allen wrench.
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Adjust cable length to proper length and mark with marker. Note: This varies depending on the length of the cable: If replacing cables from a 4-finger system, match the length match with the other fingers. If replacing all cables, then determine where you want the DCM to sit and set the cable length on all fingers based on the DCM location.
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Partial M-Finger Assembly Installation of fingertip into finger base Insert fingertip into base. Insert washer on other side of finger. Insert rivet. Insert retaining ring. Only install Secure retaining ring in place with retaining ring at final assembly. air hose fitting (not supplied)
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Partial M-Finger Assembly Installation of spring Insert spring into base of finger. Insert long 0-80 screw to secure spring into fingertip. Tighten with small Phillips screwdriver. Insert thread through spring loop and pull through with tweezers then exit both ends of thread through oval slot on finger base.
Partial M-Finger Assembly Cable Assembly Prepare cable anchor assembly This Insert both ends of cable through step is usually done at the hole in fingertip and exit through the fabrication facility. The finished bottom. The photo on shows the 2 assembly gets built into the silicone cables converting into one as they wrist band.
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Partial M-Finger Assembly Cable Assembly (continued) Install Allen screw to secure knot in Final assembly. place. Do not over-tighten.
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