Device for treating human and/or animal tissue

Details Device for treating human and/or animal tissue Device for treating human and/or animal tissue

2001-03-20

2008-03-18

Willse, David H. (Department: 3738)

Surgery

Means for introducing or removing material from body for...

Material introduced into and removed from body through...

C606S080000

Reexamination Certificate

active

07344513

ABSTRACT:
A device for working human and/or animal tissue is provided. The device includes a drill head is connected with a flexible shaft which in turn is connected to a drill apparatus through a shank. The device also includes a washing unit through which drilled material in the area of the drill head is transported away. The washing unit is connected to a washing channel formed between the bore and the outer diameter of the flexible shaft. The drill head has slots communicating with an inner cavity of the drill head. The cavity communicates with an inner channel in the flexible shaft through which the washing medium is passed into a washing head. In the washing head, the washing medium flows through the slots in the flexible shaft into an annular groove. The annular groove is connected with a channel to which a suction device is connected via a hose.

REFERENCES:
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patent: 5613972 (1997-03-01), Lee et al.
patent: 5624393 (1997-04-01), Diamond
patent: 5694951 (1997-12-01), Bonitti et al.
patent: 5849023 (1998-12-01), Mericle
patent: 5913859 (1999-06-01), Shapira
patent: 5947972 (1999-09-01), Gage et al.
patent: 6332886 (2001-12-01), Green et al.
patent: 0 861 635 (1998-09-01), None
patent: WO 97/03611 (1997-02-01), None

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