Important Information — Please Read Before Use
15
HIGH FLOW INSUFFLATION UNIT UHI-4
• Idiosyncratic reactions. Patients with sickle cell disease or
pulmonary insufficiency may have an increased risk of
metabolic imbalance related to excessive CO
2
absorption.
• Other possible complications include CO
2
embolization,
hypothermia, and carbonic acid irritation of the diaphragm.
Direct access of insufflated CO
2
to the vascular system (e.g.,
through an open vessel in the intra-abdominal cavity, or an
improperly inserted veress needle) may result in gas
embolism.
• When using the two high flow insufflation units
simultaneously on a single region of a single patient, make
sure to set an identical pressure to the two insufflators.
• Operative procedures should only be performed with
insufflators capable of flow rates of at least 4 – 10 L/min.
Insufflators with lower maximum flow rates should only be
used for diagnostic procedures.
• In endoscopic procedures which use gas insufflation, venous
gas embolism is a very rare (approximately 1 in
10,000 cases) but potentially serious complication that may
occur. Its occurrence is signaled by cardiovascular collapse
(sudden, severe hypotension), and a precordial murmur. If
gas embolism is observed during a procedure, discontinue
gas insufflation and place the patient in a left lateral and a
slight Trendelenburg position.
• Use of ACCESSORIES, transducers and cables other than
those specified in this manual above may not comply with
EMC.
• EQUIPMENT or SYSTEM should not be used adjacent to or
stacked with other equipment to avoid the influence of EMC.
• Use of the ACCESSORY, transducer or cable with ME
EQUIPMENT and ME SYSTEMS other than those specified
in this manual may result in increased EMISSIONS or
decreased IMMUNITY of the EQUIPMENT or SYSTEM.
• Do not supply gas for a long time without connecting the
insufflation tube to the patient. The pressure reducer may
structurally freeze, resulting in inability of the functions
including insufflation.
• Use only the port device for transanal access to insufflate the
colon.
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