CA2473371A1 — Improvements in and relating to medicament injection apparatus
Assigned to DCA Design International Ltd · Expires 2003-07-17 · 23y expired
What this patent protects
The present invention relates to a medicament injection apparatus (2). It is desirable following injection of a medicament to wait a short time before withdrawing the needle unit (12) from the patient to allow injection medicament to disperse within the patient to reduce the risk…
USPTO Abstract
The present invention relates to a medicament injection apparatus (2). It is desirable following injection of a medicament to wait a short time before withdrawing the needle unit (12) from the patient to allow injection medicament to disperse within the patient to reduce the risk of some of the injected medicament escaping through the needle wound and so not being dispersed as desired. A medicament injection apparatus (2) is disclosed wherein signal means (16, 18) actuated by a processor (6) signal the end of a predetermined period of time elapsing from the end of the injection operation wherein the predetermined period of time elapsing is dependent upon the amount of the medicament injected. This gives the user confidence that the waiting period for each dose size is important and should be respected.
Drugs covered by this patent
Bibliographic data sourced from FDA Orange Book + USPTO public records. Plain-English summary generated by AI grounded in source text. Patent term extensions (PTR, SPC, pediatric) may shift the effective expiry. Not legal advice.
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