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D000348-00 Rev. B 

13 

 Principle of Operations 

AlterG’s technology was originally conceived as part of an effort to help NASA’s astronauts maintain fitness 

during prolonged space flight. AlterG pioneered the concept of combining this technology with an advanced 

pressure regulation system and treadmill into a machine that provides the most effective and comfortable 

body weight support system available today. 

Physics and Technology Behind the Anti-GravityTreadmill 

 

Differential Air-Pressure Technology 

The physical lifting force generated by the Anti-Gravity Treadmill comes from a difference in air pressure 

around the user’s upper and lower body. The Anti-Gravity Treadmill uses this methodology, known as 

Differential Air Pressure (DAP) technology to unweight the user. 
An inflatable fabric enclosure covers the treadmill. In the middle of the enclosure is a hole through which 

the user steps onto the surface of the treadmill. The user wears a special pair of shorts, and these shorts 

are zipped into the hole in the enclosure. A blower is used to inflate the enclosure. The pressure generated 

in the inflated enclosure provides a lifting force against the body. Because the pressure is only slightly 

above atmospheric and evenly distributed, the force on the lower body is almost imperceptible. The Anti-

Gravity Treadmill provides a level of comfort while exercising unmatched by other unweighting systems. 

Pressure Regulation System 

AlterG has developed an advanced and very sophisticated pressure regulation system that ensures the 

Anti-Gravity Treadmill has extremely accurate weight control with good reproducibility between sessions. 

When you run in the Anti-Gravity Treadmill, the natural bouncing motion of your body changes the shape 

and volume of the bag. This effect would change the interior pressure of the bag and your effective 

exercise weight if it were not for the pressure regulation system in the Anti-Gravity Treadmill that monitors 

and reacts to these changes. This technology makes rapid adjustments to the bag pressure, maintaining 

the pressure in the bag and your exercise body weight at near constant levels.  

Содержание Anti-Gravity Treadmill 400X

Страница 1: ...User Manual AlterG Anti Gravity Treadmill Product Via 400 and 400X ...

Страница 2: ...t may directly affect the safe operation of the Via 400 Anti Gravity Treadmill Read and understand these instructions and statements before operating the Via 400 Anti Gravity Treadmill Warning Cautionary statement or operational procedure that may directly affect the safe operation of the treadmill Note The Via 400 Anti Gravity Treadmill has been tested to IEC medical standards for electrical safe...

Страница 3: ...Differential Air Pressure Technology 13 Pressure Regulation System 13 Air Seal Shorts 14 Operating the Anti Gravity Treadmill 15 Powering Up 15 Putting on the Shorts 15 Stepping into the Treadmill 16 Adjusting the Height of the Cockpit 17 Zipping into the Fabric Enclosure 18 Using the Safety Lanyard 19 Operating the Treadmill and the Unweighting System 19 Stepping Out of the Treadmill 23 Session M...

Страница 4: ...Calibrate Deck Weight Service Tab 37 Calibration 38 Wi Fi Connectivity 39 Labels Locations Interpretation 40 Anti Gravity Treadmill Maintenance 43 General Cleaning and Inspection 43 Cleaning the Windows 44 Shorts 44 Fabric Enclosure Maintenance 45 Appendix A Anti Gravity Treadmill Specifications 46 Appendix B Accessories and Options 47 Appendix C Troubleshooting 48 Repairs 48 Diagnostic Codes 48 A...

Страница 5: ...ssary it is recommended that a request for service be made to AlterG Inc The Anti Gravity Treadmill or any of its parts should only be repaired in accordance with instructions provided by AlterG Inc authorized representative of AlterG Inc or by AlterG Inc trained personnel The Anti Gravity Treadmill must not be altered without the prior written approval of the AlterG Inc Quality Assurance Departme...

Страница 6: ...mation AlterG welcomes your inquiries and comments If you have any questions or comments please contact our service and support team AlterG Headquarters Service and Support 48368 Milmont Drive Fremont CA 94538 U S 510 270 5900 www alterg com ...

Страница 7: ...e and chronic back problems Ruptured or herniated disc Safety and effectiveness in pregnant women has not been established Safety and effectiveness for individuals with Functional Independence Measure score of 1 or 2 dependent of max assist has not been established Treadmill belt does not lock in place Be sure patient is stable before turning off the treadmill and exiting Heart rate monitor is not...

Страница 8: ...g the machine before cleaning and maintenance Only an authorized technician should service the system Do not place any liquids on any part of the Anti Gravity Treadmill Do not unplug or alter any of the internal wiring on the machine after installation Do not operate where aerosol spray products are being used or where oxygen is being administered WARNING Potentially hazardous situation to be avoi...

Страница 9: ...loose clothing and towels away from the treadmill running surface DO NOT store anything like shorts inside the bag Prior to beginning a workout check to make sure there is no debris inside the Anti Gravity Treadmill Always keep the running surface clean Keep the area around the treadmill clear Make sure you leave at least 2 feet on either side of the Anti Gravity Treadmill to accommodate bag expan...

Страница 10: ...dually warm up cool down and incorporate a series of stretches prior to and at the end of each workout Stretching encourages the necessary flexibility to help prevent sore muscles and injury during daily activities Do not abruptly end your exercise session on the Anti Gravity Treadmill The user s full body weight should be restored slowly and should include a few minutes of walking at full body we...

Страница 11: ... ampere 220VAC 50 60 Hz dedicated circuit with ground The plug supplied with the AlterG Anti Gravity Treadmill is designated by the NEMA configuration system as 6 20P The corresponding receptacle for the plug is a NEMA 6 20R International systems are shipped with the NEMA 6 20P An appropriate plug for the country and facility in question should be wired as follows Black Conductor Line Black Conduc...

Страница 12: ...vel it is advisable to place it near the corner of the room or where the floor will be strongest to ensure maximum support during high speed high impact use The surface should be level to ensure minimal flexing of the Anti Gravity Treadmill frame It is recommended that the Anti Gravity Treadmill be placed on a rubber mat or padded indoor outdoor style carpet The front of the Anti Gravity Treadmill...

Страница 13: ...orts and these shorts are zipped into the hole in the enclosure A blower is used to inflate the enclosure The pressure generated in the inflated enclosure provides a lifting force against the body Because the pressure is only slightly above atmospheric and evenly distributed the force on the lower body is almost imperceptible The Anti Gravity Treadmill provides a level of comfort while exercising ...

Страница 14: ...e lower body and the zipper provides a mechanism to quickly attach and detach from the enclosure The shorts are easy to take on and off and sealing with the machine is as simple as zipping up a jacket The shorts are similar to those worn by many professional athletes for compression and support during training activities Shorts are manufactured using the following materials 90 Neoprene 10 Urethane...

Страница 15: ...ighs the treadmill when the system is first turned on The computer will receive an erroneous reading if either the fabric enclosure or an individual is on the surface of the treadmill The proper location of the cockpit on power up is shown in the photo Note After the power switch is turned on wait 30 seconds before the user attempts to enter the treadmill The system requires 30 seconds to run a se...

Страница 16: ... long tail of the zipper should be in front It is advisable that you wear a pair of running shorts or tights under the AlterG shorts Stepping into the Treadmill Lower the cockpit so it compresses the bag against the treadmill surface Push it all the way down for ease of entry Enter from the back and step into the opening in the fabric enclosure It is fine to step on the fabric as you enter but mak...

Страница 17: ...the hole in the fabric enclosure facing forward with both feet on the treadmill belt Lower yourself by bending at the knees and grasp the cockpit on either side With a straight back and good lifting technique lift the cockpit to the appropriate height and engage the lock by pulling the lock lever to the right Do not force the lever You may have to jiggle the cockpit up and down slightly to get the...

Страница 18: ...ver attempt to move the cockpit while the fabric enclosure is inflating or when fully inflated If you discover while you are exercising that you need to reposition the cockpit you will have to pause or stop the workout re adjust the height of the cockpit and start again Zipping into the Fabric Enclosure When the cockpit is in place zip yourself into the Anti Gravity Treadmill The zipper should be ...

Страница 19: ...stop the system Should you fall while exercising the magnet will be pulled from the console and the system will stop WARNING NEVER attempt to defeat this critical safety feature by attaching the lanyard to the structure of the machine or anywhere else besides your clothing Operating the Treadmill and the Unweighting System All treadmill and pressure functions are controlled from the touch monitor ...

Страница 20: ...sion The Anti Gravity Treadmill will proceed with a calibration routine that allows the system to determine the relationship between enclosure pressure and your body weight You will feel the pressure in the bag change as the system calibrates It is best to cross your arms while the routine runs to avoid touching any part of the structure and ruining the calibration You will be promptly notified wh...

Страница 21: ...ercise session CAUTION At 40 body weight and lower you can become unstable if you jump or perform any other activity besides walking or running Reduce your body weight percentage slowly so you can become accustomed to the new sensation and adjust your gait mechanics accordingly 4 SELECT TREADMILL DIRECTION When the treadmill turns on it is programmed for forward ambulation To walk backwards tap do...

Страница 22: ...NCLINE Tap up arrow to increase incline and tap down arrow to decrease incline Holding the button down for more than 2 seconds will cause incline to change at a more rapid rate Note Treadmill incline cannot be adjusted greater than 5 if speed is set for less than 0 5mph 0 8km hr 7 ENDING OR PAUSING THE EXERCISE SESSION Before stopping your session return the treadmill to 0 incline Tap STOP to end ...

Страница 23: ...e system 2 Unzip your shorts and pull the top skirt of the shorts from under the enclosure lip 3 Open the cockpit lock to disengage it from its locked position 4 Lower the cockpit onto the surface of the tread belt turn around and exit to the rear of the system 5 After exiting the system return the cockpit to an upright locked position ...

Страница 24: ...urned reading is more accurate when compared to exercise equipment that does not include these parameters Reference http 42 195km net e treadsim for more information on how the Via 400 calculates calories burned Heart Rate Monitoring Heart Rate Monitor The Anti Gravity Treadmill display is designed to receive a user s heart rate in conjunction with the use of a Polar Chest Strap Heart Rate Monitor...

Страница 25: ...ed the transmitter wash the band in warm water using mild soap and rinse thoroughly in clean water The Receiver You must be within two and a half feet of the receiver for the signal to be received Please take note that your transmitter may fluctuate erratically if you are too close to other Polar equipment Maintain at least a three foot distance between other Polar units Note Erratic heart rate re...

Страница 26: ...ar Focusing and Positioning Cameras There is a single camera on the Via 400 Anti Gravity Treadmill The front camera is mounted on the inside of the bag and focused at the factory before shipment Camera Views The front camera is permanently affixed inside the treadmill bag The video feed will be displayed on the touch monitor on the main display window ...

Страница 27: ...imit to the length of the recording To record a gait report navigate to the gait page and tap RECORD GAIT DATA A red bar will appear at the top of the screen signaling that gait is currently being recorded Tap STOP RECORDING when you want to stop recording You can adjust any of the treadmill controls while recording body weight incline and speed We recommend recording different reports so that you...

Страница 28: ...ning mode is not detected but needed a yellow bar will appear at the top of the screen with the message Gait data may not be accurate Gait Reports To view previous Gait Reports navigate to the Gait screen All reports are listed to the right of the Gait Data Select which gait report s you want to review from the thumbnails A summary of that data session will display on the screen This is an average...

Страница 29: ...ion After you have set the pain level the View Results page is displayed Pain Results To review previous pain recordings tap VIEW RESULTS A graph displays all recorded pain results The graph displays pain in relation to approximate body weight for example If you recorded a pain level of 8 at 93 body weight the number 8 is listed between 90 and 100 Tolerance is also displayed This is a measurement ...

Страница 30: ...ports not emailed or saved at the end of the session will be deleted Estimated wait time to email reports is approximately 20 seconds depending on your Wi Fi connection Please be patient and confirm all data has been sent before exiting the treadmill Creating End of Session Reports Operator or User Action Screen 1 To create a report tap CREATE REPORT 2 Select the reports you want to email or save ...

Страница 31: ...iling the information to yourself and later attaching it to the patient s EMR 2 Enter your email address and tap SEND REPORT Saving to USB Operator or User Action Screen 1 If you select Export to USB enter a report name in the Create Report screen We recommend a non identifiable patient ID for example 12345 or the session time and date for example 181205 02 00 This will help you identify the patie...

Страница 32: ...ty Treadmill Scenario 1 The patient falls or becomes fatigued to the point of inability to exit the treadmill before the air chamber is inflated with air Option 1 If the patient can stand stop the treadmill and secure the belt with your foot Help the patient exit the treadmill Option 2 Prevent the belt from moving by securing it with your foot Remove the bag rods at the treadmill base Option 3 Pre...

Страница 33: ...will pop up Enter code 5900 Upon entering the Settings menu you will be greeted with a number of configurations and options Settings Menu Navigation Your facility will have limited access to the Settings navigation bar to aid in troubleshooting and diagnostics You will be granted access to the GUI Support and Service and other highlighted tabs Inaccessible Tabs and Buttons will be grayed out ...

Страница 34: ... layout tap Change Layout adjacent to the layout you want You can also change from Metric or Standard units by toggling the Use Metric Units button Manage Emails GUI Tab Operator or User Action Screen Shorten the End of Session process by pre programming your staff s email addresses This allows you to select email addresses from a pre programmed list and reduce the amount of time spent entering da...

Страница 35: ...ech Support Support Tab If you are experiencing issues with your Stride Smart system and are connected to Wi Fi our Service Team may be able to get remote access and help you troubleshoot your unit Please call our Service Team at 510 270 5369 if you would like to grant them remote access They can walk you through the procedure below ...

Страница 36: ...indow pop up After another 5 10 seconds the ID and password fields will auto populate 2 Read the ID and password back to your technician This will allow them to connect to your unit and control the screen Restart App Operator or User Action Screen If you are experiencing issues with Stride Smart we may ask you to restart your device To do this tap Restart App ...

Страница 37: ...ll start automatically after it is plugged back into the wall Calibrate Deck Weight Service Tab If you are experiencing issues with calibration you may need to recalibrate the deck weight Please contact AlterG Service prior to resetting the deck weight Operator or User Action Screen 1 Select the Service Tab 2 To recalibrate deck weight make sure there is no weight on the treadmill deck There canno...

Страница 38: ...user s body weight to 20 during calibration it will only allow them to unweight themselves to the lowest accurate body weight point that is if a patient is limited at 37 body weight this means that during calibration the Anti Gravity Treadmill could not go below 37 A few factors that can cause this and it should not be of concern unless persistent with all users The following may cause an inabilit...

Страница 39: ...be set up after installation if the facility has a USB keyboard and the Wi Fi network information Please contact the AlterG Service Team if you need assistance with connecting to your Wi Fi network Please note that if your facility has special permissions and security required for Wi Fi connectivity we are happy to work with internal IT departments to connect the Anti Gravity Treadmill to these ne...

Страница 40: ...on and description of each label follow Label 1 This label is located on areas of the Anti Gravity Treadmill frame that present a pinch hazard Hands or any other part of the body should not be placed in these areas during operation of the system Label 2 This label is located within the structure of the Anti Gravity Treadmill and indicates a high voltage is present in that location If you see this ...

Страница 41: ...g lever from left to right Make sure the lever is all the way to the right prior to operating the system Label 3b This label is located on the front of the cockpit structure The treadmill belt DOES NOT LOCK when stopped The belt my slide if enough force is applied Use caution when leaning on the cockpit for support in addition to entering and exiting the Anti Gravity Treadmill Label 4 The emergenc...

Страница 42: ...he base frame AlterG complies with EMC Electromagnetic Compatibility market requirements in the US and Canada CAUTION To Reduce The Risk Of Injury From Moving Parts Unplug Before Servicing WARNING To Reduce The Risk Of Electrical Shock Unplug Before Cleaning or Servicing ...

Страница 43: ...e damaged or when wet may pose an electrical hazard Daily 1 Inspect the interior of the fabric enclosure for any loose debris and remove 2 Check for abnormal operation 3 Ensure that there are no unusual performance characteristics such as Unusual sounds from the treadmill air blower or fabric enclosure such as hissing or air leaks Unusual sights or smells that appear out of the ordinary Any operat...

Страница 44: ...to prevent interference with the treadmill s electronic systems A worn out tread belt can also contribute to a static problem Examine the belt for excessive wear and replace if necessary Cleaning the Windows The windows on your Anti Gravity Treadmill are made of Strataglass 6 Special care must be taken to ensure they remain clean and clear Strataglass recommends the use of IMAR Strataglass Protect...

Страница 45: ...rmal If these or other leaks start affecting the maximum pressure capabilities of the Anti Gravity Treadmill system contact AlterG for troubleshooting and support Note It is highly recommended that you employ the services of a qualified technician to perform the following maintenance tasks Adjusting tread belt tracking Adjusting tread belt tension Adjusting drive belt tension Motor brush inspectio...

Страница 46: ...erse 5mph 8 0km hr Elevation 0 15 Dimensions Length 84 213cm Width 38 96 5cm Height 74 188cm Weight 750 340kg approximately Step up height 8 20cm Recommended Room Dimensions Provide a footprint at least 12ft 3 66m long by 8ft 2 44m wide for adequate spacing around the machine A minimum 8ft 2 44m ceiling height is recommended Electrical Power Requirements 220 VAC 20A 50 60 Hertz NEMA 6 20R receptac...

Страница 47: ...Replacement Safety Magnet The Anti Gravity Treadmill will not operate without the safety magnet Zip Care Zipper Lubricant Prolong the life of your fabric enclosure and zipper Strataglass Cleaner Keep the viewing area clear with this special cleaner SlipCoat One ounce packets of lubricant made specifically for the Landice Treadmill Used as recommended will help prevent premature failure due to fric...

Страница 48: ... be found on the base of the machine Look for the manufacturer s label What happened prior to the problem Did the problem happen unexpectedly or did it get progressively worse over time If it is a noise problem from where does the noise originate Was someone using the treadmill at the time the problem occurred Explain any other symptoms that you feel are relevant Does the screen display any other ...

Страница 49: ...part number List of all accessories and transducer Include manufacturer model number or part number Guidance and manufacturer s declaration electromagnetic emissions The EQUIPMENT is intended for use in the electromagnetic environment specified below The customer or the user of the EQUIPMENT should assure that it is used in such an environment Emissions Test Compliance Electromagnetic environment ...

Страница 50: ... common mode 1 kV differential mode 2 kV common mode Mains power quality should be that of a typical domestic commercial or hospital environment Voltage dips short interruptions and voltage variations on power supply input lines IEC 61000 4 11 5 UT 95 dip in UT for 0 5 cycle 40 UT 60 dip in UT for 5 cycles 70 UT 30 dip in UT for 25 cycles 5 UT 95 dip in UT for 5 sec 5 UT 95 dip in UT for 0 5 cycle...

Страница 51: ...tance according to frequency of transmitter m 150 kHz to 80 MHz d 1 2 P 80 MHz to 800 MHz d 1 2 P 800 MHz to 2 5 GHz d 2 3 P 0 01 0 12 0 12 0 23 0 1 0 38 0 38 0 73 1 1 2 1 2 2 3 10 3 8 3 8 7 3 100 12 12 23 For transmitters rated at a maximum output power not listed above the recommended separation distance d in meters m can be estimated using the equation applicable to the frequency of the transmi...

Страница 52: ...rs as determined by an electromagnetic site survey a should be less than the compliance level in each frequency range b Interference may occur in the vicinity of equipment marked with the following symbol NOTE 1 At 80 MHz and 800 MHz the higher frequency range applies NOTE 2 These guidelines may not apply in all situations Electromagnetic propagation is affected by absorption and reflection from s...

Страница 53: ...5B225 POWER SUPPLY DC 3 3V from host equipment MODULATION TYPE GFSK π 4 DQPSK 8DPSK MODULATION TECHNOLOGY FHSS TRANSFER RATE 3 2 1 Mbits s OPERATING FREQUENCY 2402MHz 2480MHz NUMBER OF CHANNELS For Bluetooth 2 1 EDR 79 For Bluetooth 4 0 40 37 hopping 3 advertising channel MAXIMUM OUTPUT POWER GFSK 9 8 mW 8DPSK 12 4 mW π 4 DQPSK 12 0 mW Table 6 General Description of Wi Fi Card ...

Страница 54: ... end of the first year of use An Extended Warranty may be purchased after the sale and installation of the AlterG For more information contact your authorized representative or AlterG During the Warranty period or Extended Warranty period AlterG or its authorized service technician will diagnose and repair your Via 400 Anti Gravity Treadmill including parts and labor The service can range from pho...

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