crwdns2931319:0crwdne2931319:0 Puritan Bennett 840

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Repair guides and service information for the Puritan Bennett 840 model ventilator. It provides care for patients with respiratory failure or insufficiency. The Puritan Bennett 840 was originally produced in 1998, but has since undergone many critical software updates.

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== Troubleshooting ==

If you are having issues with this ventilator, please refer to our [[Puritan Bennett 840 Troubleshooting|Puritan Bennett 840 troubleshooting page]].

== Background and Identification ==

The Puritan Bennett 840 Ventilator System is a critical care ventilator intended for acute and subacute care of infant, pediatric, and adult patients with respiratory failure or insufficiency in health care facilities. It is responsive to patients and offers superior comfort, delivering sensitive, precise breaths to critically ill patients. The Puritan Bennett 840 features Medtronic’s PAV+ software that better manages a patient’s work of breathing and supports more natural breathing compared to conventional mechanical ventilation.

The Puritan Bennett 840 was originally manufactured by Puritan-Bennett Aero Systems in 1998, when the company was sold to BE Aerospace. After many company ownership transitions, the Puritan Bennett brand became the property of Medtronic in 2015. Medtronic currently distributes the Puritan Bennett 840 which has undergone many software updates since 1998. It is important to ensure that your model has the most recent software updates since its software was recalled by the FDA in 2013 due to critical software issues. The recall was terminated in 2016 with the updated software.

The Puritan Bennett 840 can be distinguished from other Puritan Bennett models by its vertical rectangular DuelView LCD touchscreen and small rectangular alarm indicator. The alarm indicator is attached to the touchscreen at the upper right corner.

== Technical Specifications ==

***Power Supply***

* Ventilator operation without compressor:
** 100 V~, 50/60 Hz; 5.1 A; 510 W
** 120 V~, 60 Hz; 4.5 A; 540 W
** 220 – 240 V~, 50 Hz; 1.5 A; 330 - 360 W
** 220 – 240 V~, 60 Hz; 1.5 A; 330 - 360 W
* Ventilator operation with compressor:
** 100 V~, 50/60 Hz; 10.7 A; 1070 W
** 120 V~, 60 Hz; 10.1 A; 1212 W
** 220 – 240 V~, 50 Hz; 4.1 A; 902 - 984 W
** 220 – 230 V~, 60 Hz; 4.1 A; 902 - 943 W
* Backup Power Source
** 24 V DC, 6.5 Ah
** Operating Time (new, fully charged): >30 min
** Recharge Time: <8 hours, when connected to AC power

***Pneumatic Components***

* Oxygen tubes, inlets, and other pneumatic items:
** PSI range: 35 - 100 Psi (241 - 690 kPa)
*** Note: if air pressure drops below 50 Psi (345 kPa), the ventilator will operate less effectively.
** Oxygen flow rate: 200 L/min maximum
** Regulator bleed rate: 3 L/min maximum
* Oxygen sensor life: 2 years maximum

***Misc. Specifications***

* Alarm volume: 45 - 85 dB
* Ideal operating temperatures: 50ºF - 104ºF, with 10-95% humidity

== Additional Information ==

[link|https://www.medtronic.com/covidien/en-us/support/products/mechanical-ventilation/puritan-bennett-pb840-ventilator.html|Medtronic Puritan Bennett 840 Product Support Page]

[link|https://www.medtronic.com/covidien/en-us/support/product-manuals.html|Medtronic Service Manual Database (Model: Puritan Bennett 840, Other languages available)]

[link|https://www.youtube.com/watch?v=XBLjQ60Ftc4|Youtube video: SST checklist for Puritan Bennett 840, manufactured by Nellcor/Coviden]

[link|https://www.youtube.com/watch?v=5x4Atk1eh6I|Youtube video: Overview of Puritan Bennett 840, provided by Singapore General Hospital]

[link|https://www.youtube.com/playlist?list=PL8ASS__--CdOqg1AO5SqR9JIY32btf6HI|Comprehensive Youtube Playlist of Puritan Bennett 840 tutorials, demos, and settings]

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Operator’s and Technical Reference Manual

Puritan Bennett 840 Service Manual

800 Series Schematics & Parts

Puritan Bennett 840 GUI Update.pdf

Puritan Bennett 840 Operator a.pdf

Puritan-Bennett 840 Reference .pdf

Puritan Bennett 840 Sensor Rep.pdf

Puritan-Bennett 840 Service ma.pdf

Puritan Bennett 840 Service Ma.pdf

Puritan Bennett 840 Sensor Replacement.pdf

Puritan Bennett 840 Reference Manual.pdf

Puritan Bennett 840 Operator and Technical Reference Manual.pdf

Puritan Bennett 840 Service Manual.pdf

Puritan Bennett 840 Ventilator Reference Manual

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