Ohio Medical Instavac I Installation instructions

Operator/Maintenance Manual
®
550102 (Rev. 12) 10/2021
Multipurpose Suction Unit
Medical Equipment

2 550102 (Rev. 12) 10/2021
Table of Contents
1. Intended Use ...................................................................................................................... 2
2. Symbols/Definitions .......................................................................................................... 3
3. About Medical Electrical Equipment ................................................................................. 3
4. About Instavac ................................................................................................................... 3
5. Environmental Conditions For Transport & Storage ........................................................ 4
6. Receiving Inspection ......................................................................................................... 4
7. Instructions For Use ......................................................................................................... 4
8. Reprocessing & Cleaning Instructions .............................................................................. 7
9. Maintenance ...................................................................................................................... 8
10. Performance Test & Adjustment ....................................................................................11
11. Troubleshooting.............................................................................................................. 12
12. Device Specifications .................................................................................................... 14
13. Replacement Parts & Accessories.................................................................................. 14
14. Detailed Drawings & Parts List.......................................................................................15
IMPORTANT: This device is for use only by persons properly trained in medical suction
techniques and in the operations of suction equipment. Improper use could cause injury.
Thoroughly read this operations manual to familiarize yourself with the Instavac before
using the device.
DANGER: POSSIBLE EXPLOSION HAZARD IF USED IN THE PRESENCE OF FLAMMABLE
ANESTHETICS.
1. Intended Use
The Instavac is a portable aspirator which uses suction as a means to withdraw fluids or
foreign bodies from a patient. Its primary intended use is as an aspirator to be used to help
evacuate saliva, mucous, vomit or other aspirant from the mouth and/or airway to allow
adequate respiration or ventilation of the patient and also as a pleural and wound drainage
device.

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2. Symbols/Definitions
MEDICAL EQUIPMENT WITH RESPECT TO ELECTRIC SHOCK, FIRE AND
MECHANICAL HAZARDS ONLY IN ACCORDANCE WITH UL 60601-1, IEC/EN
60601-1, CAN/CSA C22.2 No. 601.1
Caution On Off Consult operating instructions
Serial Number Type B Applied Part Protective Earth Terminal
CLASSIFICATION:
1. Protection against electric shock Class I, type B applied part.
2. Protection against harmful ingress of water: Ordinary Equipment.
3. Degree of safety in the presence of a flammable anesthetics or oxygen: NOT SUITABLE
FOR USE IN THE PRESENCE OF FLAMMABLE ANESTHETICS.
4. Mode of operation: Models 757000/757010 - Continuous; Models 756000/756010 -
Intermittent and Continuous.
3. About Medical Electrical Equipment
Medical electrical equipment needs special precautions regarding electromagnetic
compatibility (EMC) and needs to be installed and put into service according to the EMC
information provided.
Portable and mobile radio frequency (RF) communications equipment can affect
medical electrical equipment. This product is intended for use in the electromagnetic
environments specified.
The end user of this product should assure it is used in such an environment. Portable
and mobile RF Communications equipment (cell phones) should not be used at close
distances.
Power frequency magnetic fields should be at levels characteristic of a typical location in
a typical commercial or hospital environment.
4. About Instavac
The purpose of the Instavac is to perform all routine suctioning procedures. These
may include tracheal and oral aspiration, wound drainage, gastrointestinal, (units with
intermittent module) and thoracic drainage.
The Ohio Medical Instavac is a multipurpose suction unit designed for use in hospitals,
surgery centers, and physician offices. Because of the Instavac capacities, it can also be
utilized as a back up to wall vacuum systems. The Instavac suction capabilities are driven
by a fan cooled, rotary carbon vane pump. It comes equipped with a disposable exhaust
filter, an in-line suction filter with 14” of tubing, a disposable 1200cc collection canister
with mounting bracket, and a preventative maintenance kit.
.
9N56

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Model Part Number
Instavac®I Constant/Intermittent Suction 120 VAC 756000/756010
Instavac®C Constant Suction 120 VAC 757000/757010
5. Environmental Conditions For Transport & Storage
Ranges must stay within the following:
Temperature Range: -40°F (-40°C) to 158°F (+70°C)
Relative Humidity Range: 10% to 95% RH (non-condensing)
Atmospheric Pressure Range: 500 to 1060 hPa
If, after reading this manual you require additional information, please contact Ohio
Medical’s Customer Service Department at 866-549-4099 or your local Ohio Medical
distributor.
6. Receiving Inspection
Remove product from package and inspect for damage. If product is damaged or incorrect,
DO NOT USE. Contact your dealer, equipment provider or manufacturer.
7. Instructions For Use
PRIOR TO INITIAL USE
Upon receiving your new Instavac, perform the following initial tests to ensure that your
unit is in good working order and that no damage has occurred during shipment.
SET UP INSTRUCTIONS
1. Visually inspect all components for physical damage that may have occurred during
shipping.
2. After removing all components from their cartons, insert the back pole assembly into
the back of the Instavac base.
3. Align the two “collection mounting brackets” located at the top of the back pole
assembly towards the front of the unit.
4. Tighten the 10-32 set screw located at the back of the base assembly with a 3/32”
Allen wrench.
5. Connect the tubing from the bottom of the back pole to the safety overflow trap
assembly.
6. This unit comes with a detachable power cord. Attach power cord to the appliance
outlet located on the bottom of the unit before plugging unit in. The power cord is to be
used for mains disconnection. Plug the power cord into an electrical outlet. Turn the
unit on (I) and listen to verify that the pump starts.
7. On Intermittent models (756000/756010) switch the unit to “CONSTANT” suction
using the “MODE SELECTION” switch. Plug the vacuum port located at the top of the

550102 (Rev. 12) 10/2021 5
back pole and adjust the vacuum level by turning the vacuum regulator knob. Verify
that the vacuum gauge reflects a change in vacuum level while turning the regulator
knob.
8. Depress the “POWER” switch to turn the unit OFF (O).
9. Place a collection canister bracket (ring) in the mounting bracket of the back pole
assembly or pedestal stand and insert a collection canister.
The Instavac will use any collection device. However, if you are not using an Ohio
Medical 1200cc disposable collection canister, make sure that the collection device being
used is equipped with a safety overflow mechanism to protect the pump from accidental
overflow.
WARNING: When the overflow protection mechanism is activated on either the collection
canister or the unit’s overflow safety trap, suction will not be available even though
the pump will continue to run. Empty or replace the canister or trap to continue the
suctioning procedure.
Ensure that you have the appropriate collection device and suction tubing. Depending
on the procedure, be sure to have the appropriate Chest Drainage Unit, Nasal Gastric tube,
aspirating tip, or wound drain for patient use. The Instavac mobile aspirator is now ready
to place into service.
OPERATING INSTRUCTIONS
PRE-USE CHECKOUT PROCEDURE
WARNING: The Pre-Use Checkout Procedure must be performed before using the
equipment on each patient. If the equipment fails any part of the Pre-Use Checkout
Procedure, it must be removed from service and repaired by qualified service personnel.
1. Verify that a clean bacteriostatic exhaust filter, in line suction filter, collection canister,
and the necessary tubing are installed on the Instavac.
2. Verify that the device overflow safety trap is present, connected, and clean.
3. Plug the power cord into an electrical outlet. Turn the unit ON (I) and listen to make
sure that the pump starts.
4. On Intermittent models (756000/756010) switch the unit to “CONSTANT” with the
“MODE SELECTION” switch. Skip this step for Constant models (757000/757010).
5. Occlude suction by plugging the vacuum port (located at the top of the back-pole)
with finger tip. Adjust the vacuum level by turning the vacuum regulator knob. While
turning the knob, verify that the vacuum gauge reflects a change in vacuum. Also
verify that you feel vacuum at your finger tip.
6. On Intermittent models, switch the unit to “Intermittent” mode. Verify suction starts
and stops. Skip this step for Constant models.
7. Secure tubing connections and proceed with suction procedure.

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ORAL, NASAL AND TRACHEAL ASPIRATION
1. Place a clean collection canister in the upper bracket, which is located on the back pole
assembly of your Instavac . Ensure that the tubing is connected from the “VACUUM
PORT ASSEMBLY” of the Instavac to the “vacuum port” of the collection canister and
from the “patient port” of the collection canister to the aspirating tip that is being used.
2. Turn the Instavac ON (I).
3. On Intermittent models (756000/756010) switch the unit to “CONSTANT” suction
using the “MODE SELECTION” switch. Plug the vacuum port located at the top of the
back pole and adjust the vacuum to the desired vacuum level by using the “VACUUM
REGULATOR” Knob.
4. Connect the tubing to the vacuum port located at the top of the back pole and proceed
with the suction procedure.
NASOGASTRIC INTERMITTENT SUCTIONING
(only with Intermittent models 756000/756010)
1. Place a clean collection canister in the upper bracket, located on the back pole
assembly of your Instavac. Ensure that tubing is connected from the “VACUUM PORT
ASSEMBLY” of the Instavac to the “vacuum port” of the collection canister and from
the “patient port” of the collection canister to the nasogastric tube that is being used.
2. Turn the Instavac ON (I).
3. Switch the unit to “CONSTANT” suction using the “MODE SELECTION” switch. Plug
the vacuum port located at the top of the back pole and adjust the vacuum to the
desired vacuum level by using the “VACUUM REGULATOR” knob.
4. Switch the unit to “INTERMITTENT” suction using the “MODE SELECTION” switch.
5. Connect the tubing to the vacuum port located at the top of the back pole and proceed
with the suction procedure.
PLEURAL DRAINAGE
Instavac can be utilized with any “Disposable Chest Drainage Unit” available on the
market. Some chest drainage units come with a built-in flow adjustment valve and some
do not. The Ohio Medical Needle Valve Assembly is available for those units that do not
offer this built-in flow adjustment valve.
Follow all manufacturer’s directions on the Chest Drainage Unit for its setup and use.
Chest Drainage Units WITHOUT Built-in Flow Adjustment Valves
Place the Chest Drainage Unit in the “optional” Ohio Medical Chest Drainage Unit Bracket.
Ensure that the tubing is connected from the “VACUUM PORT ASSEMBLY” of the
Instavac to the Ohio Medical Needle Valve Assembly which is mounted in the collection
canister bracket of the back pole. Connect the tubing from the Needle Valve Assembly to
the vacuum port tubing of the Chest Drainage Unit.
Chest Drainage units WITH Built-in Flow Adjustment Valves
Place the Chest Drainage Unit in the “optional” Ohio Medical Chest Drainage Unit Bracket.
Ensure that tubing is connected from the “VACUUM PORT ASSEMBLY” of the Instavac to
the vacuum port tubing of the Chest Drainage Unit.

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1. Turn the Instavac ON (I).
2. On Intermittent models (756000/756010) switch the unit to “CONSTANT” suction
using the “MODE SELECTION” switch. Plug the vacuum port located at the top of the
back pole and adjust the Instavac to a low vacuum setting by using the “VACUUM
REGULATOR” knob.
NOTE: The Chest Drainage Unit regulates the vacuum level provided to the chest cavity.
Setting the Instavac to a low vacuum level ensures that you are producing
sufficient vacuum to properly operate the chest drainage unit.
3. Connect the tubing to the vacuum port located at the top of the back pole and proceed
with the suction procedure.
8. Reprocessing & Cleaning Instructions
1. After EACH suctioning procedure, discard ALL contaminated parts, in accordance with
local ordinances. These components may include the collection canister, disposable
chest drainage unit, in-line filter, exhaust filter, and all suction tubing.
2. Wipe the surface of the unit with a mild antiseptic and a clean soft cloth.
3. Check the air inlet filter at the back of the unit to make sure that it is clear of any dirt.
If cleaning is necessary, vacuum the filter or remove and rinse in water. After the filter
is completely dry, reinstall the filter.
4. Inspect the overflow trap assembly for any evidence of an accidental overflow. If an
overflow has occurred, perform the following actions, depending upon the overflow
condition:
OVERFLOW
Aspirant has contaminated the overflow trap assembly. Replace and/or clean parts
according to the procedures described in OVERFLOW CLEANING PROCEDURE below.
SEVERE OVERFLOW
Aspirant has contaminated the overflow trap assembly and the vacuum port tubing.
Replace and/or clean external parts according to procedure described in OVERFLOW
CLEANING PROCEDURE below. In addition, open the unit to assess the extent of the
internal over flow.
5. After cleaning, install a new collection canister, suction tubing, and filters with the
Instavac.
OVERFLOW CLEANING PROCEDURE
NOTE: THESE PROCEDURES ARE ONLY REQUIRED WHEN AN OVERFLOW HAS
OCCURRED.
1. Discard all external contaminated tubing in accordance with local ordinances.
2. Clean the overflow trap assembly by unscrewing the cap and disassembling the
various components. Wash all parts with a mild antiseptic. Dry, reassemble the
overflow trap assembly. Verify that the float is in the down position and the cap seals
tightly on the glass jar.
3. Replace all discarded tubing.

8 550102 (Rev. 12) 10/2021
4. If the vacuum port tubing was contaminated, open the unit and inspect the following
parts for contamination (see Maintenance section below for opening the unit):
All Internal Tubing: If contaminated, replace.
Regulator Assembly: If contaminated, clean or replace according to procedure below.
Solenoid Manifold Assembly If contaminated, clean or replace according to procedure on
page 9.
Pump Assembly: If contaminated, clean or replace according to procedure on page 10.
9. Maintenance
Tools required to service the Instavac:
Pliers Phillips screwdriver 11/32” nut driver 5/16” nut driver
5/64” Allen wrench Adjustable wrench 1/16” Allen wrench Flathead screwdriver
To access the internal components of the Instavac, remove the two (2) Phillips head
screws located in the rear of the unit near the back assembly. Tilt the cover forward.
CAUTION: NEVER DISASSEMBLE THE INSTAVAC WHEN THE POWER CORD IS
CONNECTED TO AN ELECTRICAL OUTLET.
NOTE: After performing any service or repair of the Instavac, including preventative
maintenance and cleaning for overflow, verify that the device performance specifications
are met prior to returning to service. Follow steps in section 10 to verify and adjust the
device settings as necessary.
PREVENTATIVE MAINTENANCE
The Instavac is warranted for its intended life of three (3) years. Performing periodic
preventative maintenance extends the life of the Instavac portable aspirator. Preventative
maintenance is required once per year regardless of frequency of use and is recommended
every six months with frequent use.
A Preventative Maintenance Kit is available (Part Number AI5801ASY). It contains all
necessary items and instructions for performing the preventative maintenance procedure.
VACUUM REGULATOR REPLACEMENT
1. Tilt the shroud assembly forward off of the Instavac base (make a note of the
orientation of all tubing and the regulator body).
2. Disconnect all three (3) tubing connections from the regulator body.
3. Using a small flathead screwdriver to loosen the set screw on the vacuum regulator
knob, unscrew and remove the vacuum regulator knob from the control panel.
4. Remove the outside locknut that secures the regulator to the control panel. The
regulator can now be removed.
5. To mount the new regulator, remove the knob from the body by loosening the set
screw on the Vacuum regulator knob (use a flathead screwdriver).
6. Mount the new regulator body to the control panel. Make sure the fittings are in the
(Intermittent models only):

550102 (Rev. 12) 10/2021 9
same orientation as the original, by re-installing the outside locknut.
7. Insert the regulator knob fully onto regulator adjusting shaft.
8. Tighten the set screw onto the flat of shaft, until the regulator knob is secure to the
shaft and cannot be pulled off by hand.
9. Reconnect all of the tubing.
10. Proceed to Section 10 Performance Test & Adjustment.
VACUUM REGULATOR CLEANING
1. Remove the vacuum regulator assembly as described in the VACUUM REGULATOR
REPLACEMENT section.
2. Discard all of the tubing.
3. Using a Phillips screwdriver, open the regulator by removing the two (2) screws on the
cap.
4. Disassemble the black cartridge from the unit by unscrewing it from the brass
adjusting screw and cap sub-assembly and removing the two (2) O-rings.
5. Clean the body, adjusting screw and cap, fittings and O-rings in a mild soap solution or
isopropyl alcohol and dry all parts completely. DO NOT wash black cartridge.
6. Apply a light coat of a silicone based lubricant (i.e. Dow Corning®111) to the O-rings
and reassemble back onto the black cartridge.
7. Reassemble the vacuum regulator and mount the regulator in the Instavac.
8. Attach new vacuum tubing.
9. Proceed to Section 10 Performance Test & Adjustment.
SOLENOID MANIFOLD REPLACEMENT (on Intermittent models 756000/756010)
1. From the inside of the Instavac base, locate and remove four (4) 11/32” nuts that hold
the chassis into the base.
2. Disconnect the three (3) wires from the power cord assembly.
3. Disconnect the four (4) wires from the solenoid to the Printed Circuit Board (PCB).
4. Disconnect the tubing from the solenoid manifold and the long tubing from the
vacuum regulator.
5. Without disconnecting any of the switch wires, carefully lift up the chassis up and rest
the chassis on its side in the base.
6. On the underside of the chassis, locate and remove the two (2) Phillips screws that
secure the solenoid manifold in place. Remove the solenoid manifold.
7. Mount the new solenoid manifold by securing the two (2) Phillips screws to the
underside of the chassis.
8. Mount the chassis back into the Instavac base.

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9. Reconnect all of the tubing.
10. Reconnect the four (4) wires from the solenoids to the Printed Circuit Board and the
three (3) wires from the power cord assembly.
11. Proceed to Section 10 Performance Test & Adjustment to set vacuum & flow.
SOLENOID MANIFOLD CLEANING (on Intermittent models 756000/756010)
1. Remove the solenoid assembly as described in the solenoid manifold replacement
section.
2. Using a flathead screwdriver, remove both solenoids from the manifold.
3. Loosen the set screw (located on the top of the manifold block) and remove the needle
adjustment valve.
4. Remove and disassemble the relief valve and check valve assembly from the solenoid
manifold.
5. With a cotton swab and an isopropyl alcohol solution, clean all internal areas of the
manifold, check valve, relief valve, and flow adjustment valve.
6. After thoroughly drying all parts, reassemble the solenoid manifold. Upon
reinstallation, ensure that the internal diaphragm for the check valve is facing AWAY
from the solenoid manifold.
7. Proceed to Section 10 Performance Test & Adjustment to set vacuum & flow.
CAUTION: Avoid aspirating moisture into the pump; moisture leads to rust of internal
components which can cause the pump to seize. Always use a collection
canister with overflow protection, in-line filter, and overflow safety trap. If
ingress of moisture into the pump is suspected, clean or replace the pump.
PUMP REPLACEMENT
1. Disconnect the three (3) pump wires from the PCB and the two (2) wires from the
capacitor.
2. Disconnect the tubing from the pump fittings.
3. If necessary, loosen the mounting bracket for the capacitor and remove the capacitor.
4. Using an 11/32” nut driver, remove the four (4) nuts from the base of the pump.
Remove the pump.
5. Follow instructions provided with replacement pump kit to install the new pump and
capacitor.
6. Verify all pump wire connections are secure at the PCB and capacitor.
7. Reconnect all of the tubing.
8. Proceed to Section 10 Performance Test & Adjustment.
PUMP CLEANING
NOTE: The heart of the Instavac is a rotary carbon vane pump. It is NOT recommended