Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10675182 | Hollow needle for an ophthalmic surgical instrument | Marc Wolschendorf, Stefan Engel, Dieter Frauenfeld, René Draheim | 2020-06-09 |
| 9956115 | Device for cutting and aspirating tissue | Frank Rieger, René Draheim, Dieter Frauenfeld | 2018-05-01 |
| 9668918 | Apparatus for cutting and aspirating tissue | — | 2017-06-06 |
| 8556485 | Light source for coupling light into a medical hand-held device | René Draheim | 2013-10-15 |
| 6074396 | Hollow needle for an ophthalmic surgical instrument | — | 2000-06-13 |
| 5879356 | Surgical instrument for crushing crystalline eye lenses by means of ultrasound and for removing lens debris by suction | — | 1999-03-09 |
| 5693013 | Apparatus for aspirating lens debris during cataract operations | — | 1997-12-02 |
| 5451229 | Cannula for an eye-surgery instrument | Hans Geuder, Dieter Frauenfeld, Hans-Reinhard Koch | 1995-09-19 |