Robert E Johannesson is a notable inventor based in Mechanicsburg, PA (US), recognized for his significant contributions to the field of medical devices. With a total of seven patents to his name, Johannesson has developed innovative solutions that enhance the functionality and efficiency of mixing syringes.

Latest Patents

Among his latest patents is the "Combination plunger device for a dual chamber mixing syringe." This invention features a unique combination plunger, mixing device, and mixing syringe. The design includes concentric outer and inner barrels that create an outer chamber, with the inner barrel containing an inner chamber. The combination plunger consists of a mixing plunger and a delivery plunger, along with a biasing means. This allows for the coordinated transfer of substances, ensuring effective mixing before delivery to a recipient.

Another significant patent is the "Actuation mechanisms for dual chamber mixing syringes." This invention introduces an automatic mixing device and an actuating device that integrates a plunger, which can be removably mounted to the mixing device. The actuating device features a compressed spring and a rotatable trigger member that initiates spring decompression. This mechanism facilitates the mixing of substances and ensures precise delivery through a retractable syringe.

Career Highlights

Throughout his career, Johannesson has worked with various companies, including Unl Holdings LLC and Unitract Syringe Pty Ltd. His experience in these organizations has contributed to his expertise in developing advanced medical devices.

Collaborations

Johannesson has collaborated with notable individuals in the field, including Peter J Dungar and Philip A Weaver. These partnerships have fostered innovation and the development of cutting-edge technologies in medical applications.

Conclusion

Robert E Johannesson's inventive spirit and dedication to improving medical devices have led to significant advancements in the industry. His patents reflect a commitment to innovation that continues to impact the field positively.

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