Insulin Delivery Systems

7/29/2019 Insulin Delivery Systems

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INSULIN DELIVERY SYSTEMS


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I. Insulin syringesfriendly features

for self

injections

MarkingIn

insulinunits


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Types of insulin syringes


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How to use insulin syringe

1. Clean your hand


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2. Gently roll the insulin vial between the

palms (Shaking can cause air bubbles)


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3. Pull the plunger to fill the syringe

with air (amount equal to the

required dose)

4. clean the top of the vial with

alcohol and place it on a flatsurface

5. Hold the syringe in your hand asa pencil and Inject the air into the

vial using the index finger


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6. Turn both the vial and the

syringe to get the vial up andthe syringe down

And Draw the required dose into

the syringe

7. Check that there are no air

bubbles (If any, flick yourforefingers against the

syringe


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8. If mixture of regular and NPH

are to be injected:A. Inject air into NPH vial first

B. Then inject air to regular insulin

vial

C. Then draw the required dose ofregular insulin first

D. Lastly draw the required dose of

the NPH

E. Check the exact volume in the

syringe by reading at the eye level


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9. Clean the skin with alcohol

11. Release the skinThen Push the plunger smoothly and

completely

10. Pinch a skin fold and insert

the needle at 90 degree angle


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Sites of insulin injectionArranged in order of fastest to slowest

rates of absorption


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II. Pen injectorComposed of:

1. Insulin cartridge

2. a dial (to measure

the dose)

3. disposable Pen

needles (to

deliver the dose).
http://en.wikipedia.org/wiki/Pen_needleshttp://en.wikipedia.org/wiki/Pen_needleshttp://en.wikipedia.org/wiki/Pen_needleshttp://en.wikipedia.org/wiki/Pen_needles


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Types of Insulin Pens

Disposable-Nondisposable

Plastic

Plastic or metal

Pen is prefilled with

insulin, the entire pen

is disposed when

empty

Uses a prefilled glass

cartridge of insulin,

only the cartridge is

disposed when empty


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Method of administration

I. Pen must be rotated upside-down ( at least 10times) before using

II. To prevent air pupples:1. Avoid leaving needle on pen between injections

2. prime the needl with 2 U of insulin before injection


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Insulin Pump The pump is worn

outside the body

Insulin is

administered SC

through a small

catheter and

needle that is held

in place by skin

tape


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Pumps provide a continuous (basal)

infusion ofa rapid acting insulin. It can be supplemented at mealtime by manual activation

of the pump (bolus, brandial)


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Types of insulin pump

1. Traditional Insulin Pump

2. Sensor-Augmented

Insulin Pump


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Advantages

1.More convenient2.Avoid multiple daily injections

3.Better control of blood

glucose level

4.Reduce the risk of side effects

(e.g. Sever hypoglycemia)


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Disadvantages

1.Malfunction because ofocclusion of the catheterdelivering insulin

2.Patient must monitor hisBlood glucose level several

times adaily


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Insulin

Pump

Insulin pen

injector

Insulin

syringe

Moreexpensive

ExpensiveCheap

Less PainfulMore painful

EasierEasyDifficult to beinjected

Documents

Insulin Delivery Systems