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| Number | Title | Issue Date |
| 4274414 | Surgical instrument Remote-cutting instrument formed by an inner tube rotating within an outer tube, in which an initial cutting point where portions of the tubes first come together during a cutting cycle is defined at the distal extremity of the sides of the tubes and cutt... | 06/23/1981 |
| 4203444 | Surgical instrument suitable for closed surgery such as of the knee A surgical instrument useful in joint surgery for instance closed surgery of the knee. When in the form of a rotary vacuum shaver it comprises an external stationary tube having a side-facing, axially extending shaving port and an internal rotary blade ca... | 05/20/1980 |
