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Injector pens remove some of the complications of syringes by allowing the pen to be "pushed" against the skin at a 90-degree angle (removing the need to inject at a proper angle as is the case with syringes), as well as by replacing a long, thin plunger of a syringe with a simple button which is depressed and held to inject the dose.
The current standard insulin syringe. It's a disposable plastic one-piece syringe with an integral needle and an orange needle cap (introduced by Becton-Dickinson in 1970). It's also a low dead space syringe. Giving insulin with an insulin pen. Insulin pump in use.
Most autoinjectors are one-use, disposable, spring-loaded syringes (prefilled syringes). By design, autoinjectors are easy to use and are intended for self-administration by patients, administration by untrained personnel, or easy use by healthcare professionals; they can also overcome the hesitation associated with self-administration using a ...
The gauge of the needle used can range from 25 gauge to 27 gauge, while the length can vary between 1 ⁄ 2-inch to 5 ⁄ 8-inch for injections using a syringe and needle. [ 3 ] : 722 For subcutaneous injections delivered using devices such as injector pens , the needle used may be as thin as 34 gauge (commonly 30–32 gauge), and as short as 3 ...
Insulin is usually given subcutaneously, either by injections or by an insulin pump.In acute care settings, insulin may also be given intravenously. Insulins are typically characterized by the rate at which they are metabolized by the body, yielding different peak times and durations of action. [4]
Insulin can be injected by several methods, including a hypodermic needle, jet injector, or insulin pump. There is also inhaled insulin that can be used in adults with diabetes. [33] There are several types of insulin that are commonly used in medical practice, with varying times of onset and duration of action. [32]
The widespread immunization against polio during the period required the development of a fully disposable syringe system. [14] The 1950s also saw the rise and recognition of cross-contamination from used needles. This led to the development of the first fully disposable plastic syringe by New Zealand pharmacist Colin Murdoch in 1956. [15]
NPH insulin is cloudy and has an onset of 1–3 hours. Its peak is 6–8 hours and its duration is up to 24 hours. [9]It has an intermediate duration of action, meaning longer than that of regular and rapid-acting insulin, and shorter than long acting insulins (ultralente, glargine or detemir).