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Life Products LP-6, LP 6 Plus and LP 10 Home Ventilator

Life Products LP-6, LP 6 Plus and LP 10 Home Ventilator. By Bryce Younger. Classification. Electrically powered Microprocessor controlled Single circuit Rotary drive piston Modes LP 6 OFF, Battery Charge, A/C, SIMV, and Pressure Limited modes Sine flow wave in all modes.

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Life Products LP-6, LP 6 Plus and LP 10 Home Ventilator

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  1. Life Products LP-6, LP 6 Plus and LP 10Home Ventilator By Bryce Younger

  2. Classification • Electrically powered • Microprocessor controlled • Single circuit • Rotary drive piston • Modes LP 6 • OFF, Battery Charge, A/C, SIMV, and Pressure Limited modes • Sine flow wave in all modes. • PEEP possible by adding PEEP valve to exhalation valve.

  3. LP 10

  4. Modes on LP 6 Plus and LP 10 • Standby • A/C: pressure limited or not (LP 10) • SIMV: machine breaths press limited or not (LP 10) • Pressure Cycle • Set VT • I.T. controls flowrate • Hi pressure alarm setting ends inspiration but without audible alarm. Airway pressure is independent of HP alarm setting during inspiration. • Pressure Limit Control (LP 10 only) does not end inspiration. Pressure Limit Control

  5. Classification • In SIMV, patient must breathe through the circuit, humidifier and then through the piston intake valve unless one-way valve teed in near patient wye. • Internal resistance is 1.0 cm H20/L/sec. • Oxygen is added between the ventilator and the humidifier or via reservoir bag added to piston intake valve for 40% or more oxygen concentrations.

  6. Controls • Vt = 100 - 2200 ml • Rate = 1 - 38 BPM • Inspiratory Time = .5 - 5.5 sec • Sensitivity -10 to +10 cm H20 • High Pressure Alarm Limit 25 to 100 cm H20 • Internal pressure relief at 100 cm H20. • LP 10 has Pressure Limit Control

  7. Modes LP 6 • A/C Mode • Set • Tidal volume • Inspiratory time • If the inspiratory time is set too long, a system error alarm will be activated. Otherwise, inspiratory time essentially determines the flow rate of the set tidal volume. • Rate • LP 10 breaths can be Pressure Limited – This pressure limit does not end inspiration. LP 10

  8. Modes cont. • Pressure Limited Mode (LP 6) • The High Pressure Alarm/Limit control limits pressure without an alarm and does not end inspiration. The set tidal volume may not be delivered if inadequate inspiratory time is set. If inspiratory time too long will get System Error Alarm. • Airway pressure developed during inspiration is independent of alarm/limit setting.

  9. Modes cont. • SIMV Mode • Mandatory breaths given according to the Rate control and patient allowed to breathe through ventilator or one-way valve, if added, for spontaneous breaths. If the SIMV rate is set < 6 BPM and the patient fails to initiate an assisted SIMV breath within 20 seconds, the apnea alarm activates and the ventilator switches to Backup ventilation at a rate of 10 BPM. • LP 10 machine breaths can be Pressure Limited.

  10. Alarms • Low Pressure/Apnea – • Low pressure is the primary disconnect alarm except when rate set < 6 BPM. Apnea alarm activates if no patient effort sensed within 20 seconds and the rate is < 6 BPM. • Automatically switches to 10 BPM at the same tidal volume and inspiratory time. Alarm must be manually reset. • Functional in all modes.

  11. Alarms • Low Power – • alarms when battery power drops to 10 volts. There is no alarm when power source switches from internal battery to AC. There is an alarm when power switches from AC to internal and must be reset. • High Pressure – • Ends inspiration in A/C and SIMV modes. Sets the pressure limit which does not end inspiration in Pressure Limited Mode for LP 6.

  12. Alarms • Setting error – • activates if inspiratory time setting incompatible with set tidal volume and respiratory rate. Ends inspiration. • Power switch over – • indicates whether AC, internal, or external battery in use.

  13. Indicators • Battery Test - shows charge level underneath airway pressure. • Breathing effort - indicates assisted breaths. • Power - indicates whether AC power or battery charge, external battery, or internal battery in use. Battery requires 2 hours of charge for every 1 hour of use.

  14. O2 Bleed in • Can bleed in oxygen between ventilator and humidifier up to 40%. 40% and over must add reservoir bag and oxygen to the back at the piston intake filter. • VT set = VT desired (1 - FIO2) .79 • LPM = (VT desired - VT set) BPM 1000

  15. Circuit • Circuit • Requires exhalation valve and proximal airway pressure line. Clean circuit with soapy water, rinse, and then soak in 1/3 cup vinegar per cup of water for 30 minutes every 24 hr.

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