Withdrawal device for the secure withdrawal of a flexible...

Details Withdrawal device for the secure withdrawal of a flexible... Withdrawal device for the secure withdrawal of a flexible...

2007-05-22

2007-05-22

Lucchesi, Nicholas D. (Department: 3763)

Surgery

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

Treating material introduced into or removed from body...

Reexamination Certificate

active

11262046

ABSTRACT:
A withdrawal device for the secure withdrawal of a puncture needle from a catheter, in particular from a catheter with a flexible catheter tube following the puncture. The device including a connection section for connecting the withdrawal device with the catheter in a starting position of use and a return-motion lever linearly movable in the guide element, whereby linear toothing is affixed to one of the elements, guide element and return-motion lever, which meshes with the peripheral toothing of a pivoted gearwheel on the other element (return-motion lever, guide element), and whereby the puncture needle is attached with the end protruding from the catheter such that upon rotation of the gearwheel, the puncture needle is wound up on a takeup part fixedly attached thereto.

REFERENCES:
patent: 4950252 (1990-08-01), Luther et al.
patent: 5476106 (1995-12-01), Gartz
patent: 6056718 (2000-05-01), Funderburk et al.
patent: 6942642 (2005-09-01), Suzuki
patent: 2004/0158207 (2004-08-01), Hunn et al.
patent: 1331018 (2003-07-01), None
patent: WO 02/100263 (2002-12-01), None

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