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Self-Injection Devices Developer and Manufacturer

More info about Haselmeier



The Penlet is the only disposable multi-injection autoinjector for 3ml cartridges. The Haselmeier disposable Penlet is a fully-automated, multi-dose, fixed dose injection device designed for use with a standard 3ml cartridge.

This pen features Haselmeier’s hidden needle design which hides the needle from the patient before and during injection. Pressing the clip on the pen causes the needle to automatically enter the patient’s tissue, followed by delivery of the pre-set volume of the injected solution.

Key features include:

  • Multiple fixed-dose injections
  • Hidden needle to overcome the fear of injection
  • Automatic needle insertion and injection to facilitate handling for people with reduced dexterity
  • Easy-to-use and no dose adjustment required
  • Economical product with a cost per dose that may be less than a prefilled syringe
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