Founded by Georg Leisegang sr. as a drug store. Later turned into a photography retail chain.
Bombed during the air raid on Berlin. After the end of the war reconstruction began.
The company was re-established by Fritz Leisegang. A repair shop for cameras was established as a sideline, which later developed into a specialized manufacturing shop for photography products.
Start of colposcope production taking up an idea of the renowned German gynaecologist Prof. Dr. Bracht.
Leisegang manufactures the first mono photo colposcope.
The stereo photo colposcope is launched. In the same year Leisegang's printing device arrives on the market, making possible direct transmission of patient data in the picture, or rather the slide.
Development of the balance-o-matic stand in the mid-60ies. It is still one of the best-selling stands.
The stereo instant photo colposcope is launched and now incorporates a magnification drum changer (7.5x/15x/30x magnification).
Further development of the lighting: fibre optics with external light source is launched.
Leisegang launches a video adapter with x 15 fixed magnification for the retrofitting of standard colposcopes.
Leisegang Medical Inc. is founded in Florida, USA.
Leisegang launches a micromanipulator for CO2 laser units.
Development of a computer program that relates colposcopic video images with a patient database.
Acquisition by Cooper Surgical, USA.
Introduction of the first photo/video colposcopes with integrated camera.
Leisegang is the first manufacturer to introduce LED lighting in colposcopes.
Leisegang introduces the new ColpoSuite, consisting of a photo/video colposcope, an examination chair, supply modules, LEEP and cryosurgery and the instruments required to perform colposcopy.
Market development in China begins.