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Assembly, Installation, and Operating
Instructions
®
Invacare Twilight™II
Nasal Mask
LATEX
FREE
USER: Before using this nasal mask, read this manual and save
for future reference.
DEALER: This manual must be given to the end user.
For more information regarding
Invacare products, parts, and services,
please visit www.invacare.com
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SPECIAL NOTES SPECIAL NOTES Signal words are used in this manual and apply to hazards or unsafe practices which could result in personal injury or property damage. Refer to the table below for definitions of the signal words. SIGNAL WORD MEANING Danger indicates an imminently hazardous situation DANGER which, if not avoided, will result in death or serious injury. Warning indicates a potentially hazardous situation WARNING which, if not avoided, could result in death or serious injury. Ca
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SPECIAL NOTES WARNING DO NOT install, maintain or operate this equipment without first reading and understanding this manual. If you are unable to understand the DANGERS/ WARNINGS/CAUTIONS and INSTRUCTIONS, contact your Home Healthcare provider before attempting to use this equipment - otherwise injury or damage may result. Invacare products are specifically designed and manufactured for use in conjunction with Invacare accessories. Accessories designed by other manufacturers have not
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GENERAL GUIDELINES GENERAL GUIDELINES WARNING GENERAL GUIDELINES contains important information for the safe operation and use of this product. DO NOT use this product or any available optional equipment without first completely reading and understanding these instructions and any additional instructional material such as Owner’s Manuals, Service Manuals or Instruction Sheets supplied with this product or optional equipment. If you are unable to understand the Warnings, Cautions or Ins
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USING HEADGEAR/MASK ASSEMBLY Using Headgear/Mask Assembly NOTE: For this procedure, refer to FIGURE 1 on page 7 and FIGURE 2 on page 8. NOTE: Wash the headgear before using it for the first time, as dye may run. Refer to Cleaning the Mask and Headgear on page 9. NOTE: Invacare recommends washing your face before each use of the mask. This will remove excess facial oil and extend the life of the mask. NOTE: Twilight II Nasal Mask is supplied fully assembled. 1. Remove the clear protective co
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USING HEADGEAR/MASK ASSEMBLY 8. Adjust the mask position on the nose by doing the following: A. Press the forehead support adjustment tab. B. Slide the forehead support up or down until it contacts the forehead and the upper portion of the cushion lightly touches the bridge of the nose. C. Release the adjustment tab to lock it in the desired position. 9. Attach the headgear clips to the mask, and adjust the strap lengths as needed. NOTE: Proper mask fit should allow full contact of the cus
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USING HEADGEAR/MASK ASSEMBLY DETAIL “A” - MASK Forehead Support Loophole Nasal Cushion Forehead Support Adjustment Tab Swivel Retaining Ring Port Plug Mask Frame Hose Swivel Mask Swivel Exhalation Vents DETAIL “B” - HEADGEAR DETAIL “C” - FITTING Upper Headgear Strap (tan side in) Hook and Loop Fastener Straps Headgear Lower Headgear Attach Hose from Flow Clips Strap Generator Here FIGURE 1 Using Headgear/Mask Assembly ® Part No 1126360 7 Invacare Twilight™II Nasal Mask
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REMOVING THE MASK AND HEADGEAR Removing the Mask and Headgear NOTE: For this procedure, refer to FIGURE 2. 1. Place your thumb and forefinger around one of the headgear clips. 2. Gently pull the headgear clip away from your face. NOTE: It is not necessary to remove the headgear straps from the clips or the forehead support when removing the mask. 3. Pull the mask forward and lift it upwards and over the head. Lower Headgear Lower Strap Headgear Strap Headgear Clip Headgear Clip FIGURE 2
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CLEANING THE MASK AND HEADGEAR Cleaning the Mask and Headgear WARNING DO NOT expose any part of the mask system to direct sunlight as it may cause mask deterioration. After cleaning, ALWAYS rinse mask thoroughly. Insufficient rinsing of cleaning agents can result in severe skin rash, irritation and skin breakdown. Discontinue using the mask if there is an allergic reaction to any part of the mask and contact your health care professional. For multi-patient use/reuse, clinicians should ref
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DISASSEMBLING THE MASK FOR CLEANING NOTE: It is not necessary to completely disassemble the mask for daily cleaning in the home. The mask can be cleaned and rinsed while still assembled. It is recommended, though, that the mask be disassembled for cleaning at least once per week of use. 1. Disassemble the mask. Refer to Disassembling the Mask for Cleaning on page 10. 2. Hand wash the headgear in warm or cool water using a mild detergent. 3. Rinse the headgear thoroughly and allow to air dr
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DISASSEMBLING THE MASK FOR CLEANING 4. Remove the forehead support from the mask frame by pressing down the adjustment tab and sliding the support upward over the tab and off of the frame (Detail “A” of FIGURE 3). NOTE: It is not necessary to remove the forehead support after every use. It can be cleaned and rinsed while it is mounted to the mask shell. 5. Remove the nasal cushion from the mask frame by slowly pulling it out of the mounting channel. 6. Remove the swivel retaining ring on th
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REASSEMBLING THE MASK DETAIL “A” - CUSHION DETAIL “B” - FRAME, RING, AND FOREHEAD SUPPORT AND SWIVELS Port Plug Forehead Support Port Swivel Hose Swivel Adjustment Retaining Mounting Tab Channel Ring Nasal Mask Cushion Mask Frame Swivel Mask Frame Hose Swivel FIGURE 3 Cleaning the Mask and Headgear Reassembling the Mask WARNING Replace the mask or mask component if damaged or deteriorated. NOTE: For this procedure, refer to FIGURE 3 on page 12 and FIGURE 4 on page 15. 1. Repl
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REASSEMBLING THE MASK 5. Lock the mask swivel into place on the outside of the mask frame by slipping the swivel retaining ring over the swivel. 6. Seat the swivel retaining ring into the groove on the swivel until it snaps in place. 7. Align the keying features at the top and bottom of the nasal cushion to the mating keying features in the mounting channel of the mask frame. The textured area above the keying feature at the top of the cushion aligns with the base of the adjustment tab. (
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REASSEMBLING THE MASK 11. Loosely secure each side of the upper headgear strap by folding it back and, using the hook-and-loop fastening strips, secure the excess straps to the upper headgear strap. 12. Slide the lower headgear strap through the loopholes of the headgear clips. 13. Loosely secure each side of the lower headgear strap by folding it back and, using the hook-and-loop fastening strips, secure the excess straps to the lower headgear strap. ® Invacare Twilight™II Nasal Mask 14
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REASSEMBLING THE MASK DETAIL “A” - FRONT Forehead Support Adjustment Swivel Tab Retaining Ring Port INSIDE OUTSIDE Plug Mask Swivel Nasal Mask Cushion Hose Swivel Mask Frame DETAIL “B” - REAR Channels OUTSIDE Adjustment Tab Forehead Support Mating Keying Mounting Channel Feature Keying Feature Textured area Mask Flanges Frame INSIDE Nasal Cushion Ribbing Cushion FIGURE 4 Cleaning the Mask and Headgear ® Part No 1126360 15 Invacare Twilight™II Nasal Mask
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STORAGE AND OPERATING CONDITIONS Storage and Operating Conditions OPERATING TEMPERATURE: 50 to 104°F (10 to 40°C) STORAGE TEMPERATURE: - 4 to 158°F (-20 to 70°C) MASK DEADSPACE VOLUME (ml) Small Standard Large 85 102 108 Typical values for Pressure Drop 0.12 cmH O (.012 kPa) at flow of 50 LPM 2 0.41 cmH O (.040 kPa) at flow of 100 LPM 2 Pressure and Flow Characteristic EXHAUST VENT PRESSURE AND FLOW 60 50 40 30 20 10 0 0 5 10 15 20 25 Pressure (cmH 0) 2 ® Invacare Twilight™II Nasal Mask 16 Part
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REPLACEMENT ITEMS/ACCESSORIES Replacement Items/Accessories The following Invacare Twilight II Mask replacement items and accessories are available: • Small Nasal Cushion - ISP2110SM • Standard Nasal Cushion - ISP2110STD • Large Nasal Cushion - ISP2110L • Headgear - 1122733 • Chin Support - 1122734 ® Part No 1126360 17 Invacare Twilight™II Nasal Mask
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NOTES ® Invacare Twilight™II Nasal Mask 18 Part No 1126360
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WARRANTY WARRANTY PLEASE NOTE: THE WARRANTY BELOW HAS BEEN DRAFTED TO COMPLY WITH FEDERAL LAW APPLICABLE TO PRODUCTS MANUFACTURED AFTER JULY 4, 1975. This warranty is extended only to the original purchaser/user of our products. This warranty gives you specific legal rights and you may also have other legal rights which vary from state to state. Invacare warrants the Twilight II Mask to be free from defects in materials and workmanship for a period of 90 days from date of purchase. If with
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THE FOREGOING EXPRESS WARRANTY IS EXCLUSIVE AND IN LIEU OF ANY OTHER WARRANTIES WHATSOEVER, WHETHER EXPRESS OR IMPLIED, INCLUDING THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, AND THE SOLE REMEDY FOR VIOLATIONS OF ANY WARRANTY WHATSOEVER, SHALL BE LIMITED TO REPAIR OR REPLACEMENT OF THE DEFECTIVE PRODUCT PURSUANT TO THE TERMS CONTAINED HEREIN. THE APPLICATION OF ANY IMPLIED WARRANTY WHATSOEVER SHALL NOT EXTEND BEYOND THE DURATION OF THE EXPRESS WARRAN
