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The
MIC-KEY (Medical Innovations Corporation-UK distribution by Vygon UK Ltd)
is a low profile replacement gastrostomy button. It is available in a variety
of diameters for different stoma sizes and in a variety of lengths. The
MIC-KEY G was designed for insertion into existing tract however some centres
are now inserting them surgically as the primary tube. The MIC-KEY G is
held in place by a silicone balloon, which is inflated using distilled water.
Other companies produce similar products e.g. Medicina, Merck, Fresenius. |
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MIC-KEY
G comes with two extension sets. The right angled SECUR-LOK Med Set (pictured)
has separate feeding and medication ports. This locks into the feed port
of the MIC-KEY G and virtually eliminates the risk of accidental disconnection.
This is used for continuous administration of pump assisted feeds and the
administration of liquid medication. A bolus feeding set with a large cath
tip is also available. |
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This
shows an alternative button device (Copak, Merck) in situ. This is a low
profile replacement gastrostomy. It is made from radiopaque silicone. It
is held in place by a radiopaque dome. This is designed for insertion into
existing stoma. Some centres are inserting these devices laparoscopically/surgically
as the initial tube. Other companies e.g. Ross produce similar devices. |
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The
Corflow PEG (percutaneous endoscopically placed gastrostomy tube) by Merk
Biomaterials is made from polyurethane. It is held in place by collapsing
polyurethrane foam balloon bumper that is positioned loosely against the
gastric mucosa. The tube is secured on the outer abdominal wall by a fixation
device. There are several fixation devices e.g. the right-angled fixation
deviced photographed, a pumber bar etc. The Corlock-Corport is a Y adapter,
which firstly locks the air in the retention balloon to prevent accidental
removal, and secondly provides a feeding and medicine port. Several other
manufacturers produce similar devices e.g. Fresenius, Ross, Medicina. |
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This
shows the Corflow PEG in-situ in an established stoma. |
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The
Corflow Gastrostomy Tube (Merk Biomaterials) is designed for initial placement
in a surgical procedure or as a replacement tube for a PEG tube or similar
tube. It can be placed in an existing stoma. Many other companies produce
similar tubes e.g. Medicina, Ross, Fresenius. |
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The
tube is positioned in the stomach and the retention balloon inflated with
the correct volume of water using a pre-filled syringe. The balloon is positioned
against the gastric mucosa. The retention bolster is then slid down the
shaft until it is 1-2 mm from the stoma. A Y extension is used for feeding
and medication. The volume of water in the balloon should be checked regularly
and any losses replaced. |
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Feeding
at night. |
