Automatic injection device having a magnetic drive system

US10799631B2 · kind B2 · utility

Assignee

• Flextronics AP, LLC · US

Inventors

• Eyal Barmaimon · Haifa, IL
• Lior Shtram · Nes Ziona, IL
• Boaz Kalisch · Haifa, IL
• Ronny Bellan · Nazareth, IL
• Nadav Cohen · Haifa, IL
• Shai Finkman · Haifa, IL
• Yuval Harel · Rakefet, IL

Key dates

• Filing date: Feb 17, 2017
• Grant date: Oct 13, 2020
• Expiry date: Nov 15, 2038

Classification

• Technology area (CPC A): Human Necessities
• CPC primary: A61M2207/00
• WIPO field: Medical technology
• WIPO sector: Instruments

Abstract

An automatic injection device has an insertion needle configured to be inserted into a patient and a drug container which contains a pharmaceutical product. The drug container includes a plunger. The automatic injection device also has a fluid path which fluidly connects the drug container to the insertion needle. The automatic injection device further has a drive system configured to cause linear movement of the plunger to force the pharmaceutical product into the fluid path. The drive system has a driving element and a movable element. The automatic injection device additionally has electronics configured to provide a signal to the drive system to move the plunger. The movable element has an outer magnet at least partially surrounding the drug container and an inner magnet inside the drug container.