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Encyclopedia > Insulin pen
Two types of modern, pre-filled insulin syringes.
Two types of modern, pre-filled insulin syringes.

An insulin pen is an insulin injection system for the treatment of diabetes. A pen is comprised of disposable needles, a vial of insulin, and a "pen." Image File history File linksMetadata Size of this preview: 800 × 600 pixel Image in higher resolution (2272 × 1704 pixel, file size: 1. ... Image File history File linksMetadata Size of this preview: 800 × 600 pixel Image in higher resolution (2272 × 1704 pixel, file size: 1. ... Insulin (from Latin insula, island, as it is produced in the Islets of Langerhans in the pancreas) is a polypeptide hormone that regulates carbohydrate metabolism. ... An injection is a method of putting liquid into the body with a hollow needle and a syringe which is pierced through the skin long enough for the material to be forced into the body. ... Look up Therapy in Wiktionary, the free dictionary. ... This article is about the disease that features high blood sugar. ... The word needle has several meanings: Sewing Needles used for sewing In sewing, a needle is a long, slender, object with a pointed tip, usually made of metal. ... This page is a candidate to be copied to Wiktionary using the Transwiki process. ...

Contents

Types of pens

A number of companies make insulin pens including Novo Nordisk, Aventis and Eli Lilly. These companies produce pens for most of their insulins, including humalog (also known as insulin lispro) and lantus. However, there are really only two different types of systems: replaceable cartridge and prefilled. Novo Nordisk (NYSE: NVO) manufactures and markets pharmaceutical products and services. ... Aventis was formed in 1999 when Rhône-Poulenc S.A. merged with Hoechst AG. The merged company was based in Strasbourg, France. ... Eli Lilly and Company (NYSE: LLY) is a global pharmaceutical company and one of the worlds largest corporations. ... Novo Nordisks NovoLog® substituting a single amino acid Aventiss Lantus® substituting a single amino acid and adding two extra amino acids to the c-terminus of the b-chain Glargine versus NPH insulin in duration Through genetic engineering of the underlying DNA, the primary amino acid sequence of... Novo Nordisks NovoLog® substituting a single amino acid prevents hexamers from forming and allows a quicker onset Aventiss Lantus® substituting a single amino acid and adding two extra amino acids to the c-terminus of the b-chain shifts the isoelectric point so that less of the analogue... Lantus is long-acting insulin analogue, usually given once a day, to help control the blood sugar level of those with diabetes. ...


A replaceable cartridge pens reuses the pen portion. When the insulin is empty, the vial is simply replaced by inserting a new one.


A prefilled pen is entirely disposable. When the insulin is gone, the entire unit is discarded.


Use

The information given here is for guidance only and will not necessarily be exactly what your doctor has reccomeded you do. Please follow your doctor's advice.
One significant advantage of pens is their ease of use. To use a pen:

  • Screw on a new needle
  • If necessary, prime the pen to remove any air from the needle
  • Turn the knob on the end of the pen (or "dial") to the number of units needed
  • Insert the needle into the skin
  • Press the button on the end of the pen to deliver the dose
  • Count to five
  • Remove

Advantages

Insulin pens have a number of advantages:

  • More convenient than traditional vial and syringe
  • Repeatedly more accurate dosages
  • Easier to use for those with visual or fine motor skills impairments.
  • Less injection pain (as polished and coated needles are not dulled by insertion into a vial of insulin before a 2nd insertion into the skin)

Vision can refer to: Visual perception is one of the senses. ... Fine motor skills can be defined as small muscle movements which occur in the fingers, in coordination with the eyes. ...

Disadvantages

Unlike the traditional syringe, pens are usually restricted to full or half unit dosing. In addition, insurance coverage for insulin pens in the United States may vary widely. A syringe consists of a plunger fitted to a tube, called the barrel, which has a small opening on one end. ... Insurance, in law and economics, is a form of risk management primarily used to hedge against the risk of a contingent loss. ...


See also


  Results from FactBites:
 
children with DIABETES - Insulin Pens (979 words)
Pens are the predominant insulin delivery system in most of the world, except the United States, where syringes and insulin vials still dominate.
Pens that come with a prefilled insulin cartridge are thrown away when the insulin is used up.
Pen needles should be removed after each use to prevent air from entering the cartridge and to prevent insulin from leaking out.
Humalog (insulin lispro) for Diabetes: Using the Pen (1625 words)
This includes 300 units of deliverable insulin, approximately 12 units of "overfill" (to ensure each cartridge is capable of delivering the claimed 300 units), and approximately 8 units of insulin that is undeliverable and will remain in the cartridge.
Priming the Pen is required to maintain dose accuracy, and consists of an initial priming of a new Pen and priming prior to each dose.
Humalog insulins are contraindicated during episodes of hypoglycemia and in patients sensitive to Humalog or one of its excipients.
  More results at FactBites »


 

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