Enabling the best subcutaneous therapy


Meet D-Flex™, our pen platform for subcutaneous self-injection. Bridging the gap between fixed and variable-dose pens, this innovative product also paves the way for connected commercial devices.

The D-Flex™ is a major step towards greater comfort and independence for patients.

Just one pen for many needs

Disposable pen for fixed or multiple fixed dosages

The versatile solution

Allows manual, multiple injections with only a single pen

Safe to use for patients

Patients cannot set unintended dosage

Perfect for clinical trials

Easy and flexible adaptation to different dose requirements


Allows for connectivity and smart data processing

Low investment cost

Faster product development based on a platform

D-Flex™ wins Red Dot 2020

The Red Dot Jury has made its decision: The D-Flex™ emerged victorious from the Red Dot Award: Product Design 2020 and won a Red Dot for its good design quality.

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Let´s create the future of connected solutions

Meet our new platform of injection systems and connected solutions. Allowing smart data management for therapy efficiency, offering great opportunities to develop customized solutions for clinical studies and supporting a fast way to connected commercial devices.

  • Areas of care

  • Areas of care

  • Areas of care

  • Areas of care

Diabetes GLP-1

Haselmeier offers pen solutions that support safe and efficient self-injection of GLP-1 – helping diabetes patients to manage their condition, and so aiding efforts to reduce costs and improve quality of care.

Diabetes Insulin

Haselmeier offers customizable injection pens and platform solutions that help type 1 and type 2 diabetes patients to self-administer insulin, promoting better compliance and more effective treatment.


We support convenience and compliance in osteoporosis treatment. The D-Flex™pen can significantly improve therapy efficiency, allowing patients to treat themselves safely and discreetly on a long-term basis.


Haselmeier's customizable pen solutions are suitable for use in some areas of oncology, supporting quality of care in this growing clinical domain. The solutions could improve patients' quality of life and create a basis for reliable and successful therapy at home.

Let's talk about your customized injection pen

As a full-service provider, Haselmeier solutions include more than R&D consulting, product engineering, and development services. We also provide certified pharmaceutical manufacturing services, and so are able to offer a comprehensive assembly, labeling and packaging services including intellectual property and technology licensing assistance.