Direct Healthcare Dyna-Form Mercury Advance Service Manual
DIRECTHEALTHCARESERVICES.CO.UK
Service Manual
DIRECTHEALTHCARESERVICES.CO.UK
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DYNA-FORM MERCURY ADVANCE
The Dyna-Form Mercury Advance is a pressure relieving mattress for patients at
“High / Very High Risk” of pressure ulcer damage.
Offering high levels of patient comfort, this unique system has the facility to “step up” to that of a
dynamic mattress when clinically required. Similarly, the mattress‘s function can be downgraded
as the patient’s condition improves.
These features make it particularly beneficial for use within the patient’s home or palliative care
environment and help reduce logistic and decontamination costs. The clinical benefits of a single
system are equally applicable to those of a modern hospital setting. A higher maximum weight
capacity, up to *40 stone / 254kg, allows the product to meet the modern challenges of those
heavier clients. All component parts are interchangeable and replaceable, maximising product
life and reducing environmental impact.
*Denotes when in Static Mode
Contents
1. Introduction ..........................................................................................................................3
2. Quick Reference Guide & Frequently Used Functions.................................................................3
3. Troubleshooting ....................................................................................................................4
4. Installation ........................................................................................................................... 5
5. Operation ............................................................................................................................. 6
6. Transportation ....................................................................................................................... 6
7. Audible Warnings ................................................................................................................... 7
8. Maintenance Procedures ....................................................................................................... 7
9. Technical Data ..................................................................................................................... 13
10. Optimum Conditions for Transport, Storage and Use .............................................................. 13
11. Symbols Guide & Contraindications for Use ...........................................................................14
12. Detachable / Removable Parts ............................................................................................. 15
13. Disposal ............................................................................................................................ 15
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DIRECTHEALTHCARESERVICES.CO.UK
SERVICE MANUAL
1. Introduction
The Mattress consists of a foam head cell and series of 14 transverse air cells, each containing a unique
foam profiled insert, which are in turn held within a foam U Core, all protected by a vapour permeable
waterproof cover. The single head end cell and the formers consist of foam only. The transverse cells
are arranged into alternate pairs of A and B cells which are filled and emptied in sequence.
In Static Mode, the mattress attains the pressure reducing properties of the Dyna-Form Mercury
static foam mattress (details available on request), whilst in Alternating Mode the mattresses is
able to offer similar properties to a pressure relieving dynamic system.
The Mattress consists of a series of 14 transverse air cells, each containing a unique foam
profiled insert, which are in turn held within a foam U Core, all protected by a vapour permeable
waterproof cover. The transverse cells are arranged into alternate pairs of A and B cells which are
filled and emptied in sequence while the single head end cell and the formers remain inflated.
The digitally controlled Power Unit controls a pump that allows air to flow into, or out of the air
cells as required according to the operating mode selected. It also maintains the air pressure
within the mattress at the required level and controls the action of the audible/visual Audible
Warning system in the event of mains supply failure or over or under inflation pressure. A CPR
Valve located at the pump end of the umbilical hose permits the rapid deflation of the Mattress in
an emergency.
Power Switch Audible Warning Reset
The power switch simply switches the mains power to the pump on and off.
When the pump detects an Audible Warning condition, this can be silenced as below and reset by switching the pump off and then back on again.
CPR Valve
Please ensure that the CPR connector is always placed fully home, prior to inflating the
mattress. NB: The mattress will NOT inflate properly should this not be the case.
The CPR connector is only to be used in the event of a clinical emergency for priority use.
However, disconnecting this function will cleverly deflate air rapidly from the mattress in
readiness for transport / static mode.
2. Quick Reference Guide (Frequently used functions)
This is a quick reference guide for the Dyna-Form Mercury Advance System
Product Code MAT/MERADV/198/88/15
DIRECTHEALTHCARESERVICES.CO.UK
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DYNA-FORM MERCURY ADVANCE
Symptoms Problems / Cause
Low Pressure The mattress is set to a mode that
is too SOFT.
Change the mode button to standard (from Lo to High(+)
a firmer pressure setting) as required. If the mattress is still
too soft after a short period of 5 to 10 minutes, then please
call an engineer.
The CPR connector is not fully home. Check all tubing is not kinked within the mattress.
There may be a leak in the system. Ensure that the tubing within the mattress is fully connected.
High Pressure The mattress is excessively firm on a
constant basis.
Set mattress to a softer setting as clinically required.
Evaluate that the mattress to be of a “less firm” state after
a short period of 5 to 10 minutes.
If this is not achieved, then please follow the task as below
before calling an engineer for assistance.
Note: Check all tubing is not kinked within the mattress.
Points to check
3. Troubleshooting
This symbol when illuminated (The blue indicator light) is not used to indicate that the
equipment is on or ready for use.
When a patient requires a true dynamic function or indeed more pressure in the cells,
as they may be uncomfortable or feel as though the support surface if too soft or unstable,
then please select a “Hi” setting (pressure 26mmHg). This must only be used by a trained
clinician as often too higher pressures can further agitate certain patients conditions.
When a patient requires less pressure in the cells, as they may be uncomfortable
or indeed hyper sensitive to cell movement or indeed if the patient is still reddening further,
then please select a “Lo” setting. This must only be used by a trained clinician.
This function is used to silence the Audible Warning. The LED will remain lit if the Audible
Warning has been silenced previously, however a fault is still detected. Refer to the power
switch (as above) in order to re-set fully. If the Audible Warning continues to sound repeatedly,
along with an illuminated light, then an engineer must be called.
This symbol indicates an “Audible Warning Failure”.
Please see trouble shooting guide below for how to re-set.
LED Mode Settings
Power On / Off
True Dynamic /Firmer Setting
Lo I Comfort Pressure Setting
Silence Audible Warning
Audible Warning Failure
Note: Please ensure that all securing straps on the base of the mattress are secured onto the
NON MOVING PARTS of the bed frame.
For shut down procedure, see 4.2 Power Unit (Pump) section.
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SERVICE MANUAL
4. Installation
4.1. Mattress (This is the applied part type BF)
Place the Dyna-Form® Mercury Advance Mattress directly on to the bed platform ensuring that
the Blue multi-stretch waterproof cover is on top and that the umbilical hose is located at the left
hand corner at the foot end of the bed. Note: The umbilical hose can be located inside the cover
under the “Open Here for Air Inlet” printed in the bottom left hand corner of the mattress.
Cover the Mattress with a loose fitting sheet.
Static Mattress Use
The Dyna-Form® Mercury Advance Mattresses can be used as a pressure reducing mattress for
patients at High / Very High Risk of pressure ulcer damage without the need to attach the pump.
Alternating Mattress Use
If / When required, the Dyna-Form® Mercury Advance Mattress can be used as an alternating
mattresses system by attaching the Dyna-Form® Mercury Advance pump system.
No other
system should be attached to the mattress as the design settings and internal air pressure
properties of the Dyna-Form® Mercury Advance pump are specific to this mattress only.
The Dyna-Form® Mercury Advance is a replacement mattress system and should NOT be placed
on top of any existing mattress.
The startup time from static to dynamic mode is immediate.
4.2. Power Unit (Pump)
Hang the Power Unit (Pump) onto the footboard. The mounting hooks swivel to suit the thickness
of the footboard or rail. Connecting the Umbilical Hose to the Power Unit (Pump), place the 3-pin
electrical plug into the wall outlet and switch on:
(a) Open the zip located at the bottom left hand side of the mattress and pull out the Blue Umbilical
hose.
(b) Attach the Blue Umbilical Hose to the Power Unit (Pump) by connecting the air connector
at the end of the Umbilical Hose to the air inlet connector at the bottom left hand side of the
pump. Ensure that the Red CPR Release button is located on top of the Air Inlet connector
after connection is complete.
(c) Re-close the zip as far as possible without clamping the Blue Umbilical Hose to ensure the
mattress and air cells are sealed within the cover.
(d) Shut down is the reverse of items a, b & c above.
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