Pen-type injector
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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N/A
Issued Date -
N/A
app pub date -
Mar 2, 2004
filing date -
Mar 3, 2003
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
The present invention relates to injectors, such as pen-type injectors, that provide for administration of medicinal products from a multidose cartridge and permit a user to set the delivery dose. The injector may include a housing, a piston rod adapted to operate through the housing, a dose dial sleeve located between the housing and the piston rod, and a drive sleeve located between the dose dial sleeve and the piston rod. The dose dial sleeve may have a helical thread of first lead and the drive sleeve may have a helical groove of second lead. The first lead of the helical thread and the second lead of the helical groove may be the same.
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