Driving technology forward. Putting people first.

Technologie Institut Medizin

Medical technology of tomorrow. Today.

Founded in Göttingen in 1998, TIM GmbH has become a successful consulting, development and manufacturing company in the fields of intensive care, anaesthesia and airway management. By combining medical and engineering expertise in ventilation and anaesthesia, TIM is able to understand clinical and care issues, and develop tailored concepts. TIM understands the language of the users and is pursuing the goal of improving the workplace environment through optimised medical devices that are easy to operate.

Driving technology forward. Putting people first.

The Company

TIM Vision

Putting people first, TIM develops products and innovations with the goal of facilitating the daily work of medical professionals in the intensive care setting.

TIM Expertise

Developing complex medical technology products.
Contract manufacturing of medical devices according to international standards.
Solutions for customer-specific testing, inspection and measurement procedures.
Innovative ventilation and anaesthesia systems. Medical measuring systems.
Flow and pressure application systems plus control and regulation systems.
Marketing concepts.

TIM Quality Standards

TIM GmbH has over 30 qualified and committed employees who are committed to and actively implement the quality processes of DIN EN 13485:2016 – because quality is our top priority.

As a company certified to DIN EN 13485:2016, TIM GmbH implements national and international quality standards when developing new and innovative medical technology

TIM Responsibility

TIM is conscious of its responsibility towards its employees, fellow human beings and the environment.
TIM supports the aim of achieving a good work/life balance and assists young people in entering professional life as well as facilitating research for final dissertations by Bachelor's and Master's candidates and students working for their doctorate.
In addition to developing and implementing environmentally-friendly systems, TIM is involved in a number of charitable projects.

History of TIM

  • 1998

    TIM GmbH is founded

  • 2001

    Market launch: Centiva, intensive ventilators

  • 2004

    Product upgrade: Centiva+

  • 2011

    Gas application system: MIRUS

  • 2011

    Open Reservoir Scavenger: Clean Air

  • 2011

    Industry award: Leading by innovation, SUCCESS

  • 2016

    Patient simulation: AQA-II

  • 2018

    Stifterverband quality seal “Innovation through Research”

  • 2019

    Company moves to new Koblenz headquarters

  • 2021

    Vaporizer (DES)



Prof. Dr. med.
Jörg Rathgeber


Degree in electrical engineering.
Degree in human medicine.
Medical specialist in anaesthesiology, special anaesthesiological intensive care, emergency medicine, PhD and post-doctoral qualifications at the University of Göttingen.
Auxiliary professor at the University of Göttingen.


40 years' experience as an anaesthetist and intensive care physician, including almost 20 years (until 2016) as senior physician at surgical practices in Hamburg.
Scientific focus:
Machine ventilation, respiratory gas conditioning, anaesthetic techniques, sedation in intensive care units and surgical management.

Current occupation

Freelance medical specialist at a hospital and several surgical centres in Hamburg.
Drafting medical reports, medical consultancy.
Member of the teaching staff at the University of Göttingen.

Prof. Ing.
Thomas P. Kriesmer


Degree in electrical engineering.
Degree in high frequency engineering.
Titular professor at the Technical University of Applied Sciences of Central Hesse, Giesen.


Product and treatment development in the fields of anaesthesia and ventilation for 37 years, including 32 years in senior positions, with five years spent in the USA. Product management and marketing for intensive care ventilation and anaesthesia.
Specialist areas:
Respiration and ventilation, respiratory gas conditioning, anaesthesia machine technology and gas sedation technology.

Current occupation

Managing Director of TIM GmbH.
Senior System Designer and Security Concept Designer at TIM GmbH.
Member of the teaching staff at the Technical University of Applied Sciences of Central Hesse, Giessen.
Member of the teaching staff at the Koblenz University of Applied Sciences, Rhein-Ahr Campus, Remagen.

Karl Cornelius-Lorenz


Graduate in biomedical engineering.


Nine years working in university research in the field of anaesthesia and intensive care medicine.
20 years working in the medical technology industry.

Current occupation

Quality Management Representative and Head of Verification and Validation at TIM GmbH.