TSA Disposable Pen Injector

With the growing demand for precision medicine and chronic disease self-management, the safety and reliability of injection devices have become critical to protecting patients’ health. As a new milestone in high-end drug delivery solutions made in China, NEST’s self-developed TSA Disposable Pen Injector adopts torsion-spring energy storage technology, enabling one-click injection and delivering a differentiated user experience. It precisely addresses the needs of over one billion long-term self-injection users worldwide, who seek less pain, minimal visibility, and reduced operational burden, offering a safe and reliable solution for chronic disease management. This device is suitable for the injection of insulin and GLP-1 receptor agonists, including Insulin Degludec, Semaglutide, and Liraglutide.

Core Advantages of NEST TSA Disposable Pen Injector

·User-Friendly Injection: The button features a non-screw design and leverages an internal torsion spring to store mechanical energy. With a simple press, the injection is completed—making it easier even for patients with limited mobility or poor vision to self-administer.

·Multiple Specifications: A wide range of models is available, ensuring compatibility with different types of drugs.

·Customizable Options: Appearance, color, dose, and scale markings can all be tailored to meet customer requirements.

Compliance Leadership, Patent Protection

√Approved by the National Medical Products Administration, CDE Registration No.: B20250000677——marking a breakthrough in key compliance certification for domestic injection devices.

√Passed comprehensive FTO review in China, the U.S., and Europe, establishing a solid compliance foundation for global pharmaceutical partnerships.

√ Multiple innovative patents are under application, showcasing strong in-house R&D to deliver safer, more compliant, and technologically advanced self-injection solutions.

Product Performance Validation

Dose Accuracy: Small, medium, and large doses were tested in accordance with regulatory requirements. Results showed stable data with values close to the median, ensuring high precision.

Activation Force: Injection start force < 15 N. The button can be pressed fully in one motion, ensuring a smooth injection without sticking.

Customized Solutions

NEST offers a fully self-controlled industrial chain for pen injectors, covering design, process, tooling, injection molding, assembly, and testing. With this integrated capability, NEST delivers a full-cycle service: Tailored to Your Needs—On-Time Delivery—Ongoing Support.

▷ Customization Options: Dosage specifications, appearance, color, scale markings, and more can be customized based on client requirements.

▷ Customization Process:

1.Regional Support—Contact your local NEST Key Account Manager to submit customization needs. One-on-one service will be provided to follow up on your project.

2.Online Submission—On the official website, you can select options such as appearance, color, company logo, injection dose, scale markings, plunger stopper length, cartridge specifications, packaging, and instructions. In addition to standard options, personalized requests can also be submitted. After submission, our technical team will contact you to further refine and follow up on your solution.