Surgery – Instruments – Orthopedic instrumentation
Patent
1989-06-09
1992-07-14
Hafer, Robert A.
Surgery
Instruments
Orthopedic instrumentation
606 69, A61B 1758
Patent
active
051299038
ABSTRACT:
An extendable bone plate is provided. The bone plate (which can be quite small) features two plate portions which are longitudinally displaceable relative to each other. The bone plate preferably includes screw holes for bone screws and gear means between the plate portions adapted to adjust the relative positions of the plate portions. The plate portions have guide portions which are longitudinally slidable within a guide member. At least one of the guide portions includes a rack; and a gear or pinion is rotatably supported within the guide member engaged by the rack, the gear or pinion having tool-engaging surfaces.
REFERENCES:
patent: 2406832 (1946-09-01), Hardinge
patent: 2443363 (1948-06-01), Townsend et al.
patent: 3604414 (1971-09-01), Borges
Zimmer Orthopaedic Advertisement, Journal of Bone and Joint Surgery, vol. 51B, No. 3, Aug., 1969.
Harder Hans E.
Luhr Hans-Georg
Akers Lawrence C.
Hafer Robert A.
Richardson Peter C.
Rooney Kevin G.
Slade Elizabeth O.
LandOfFree
Bone plate does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Bone plate, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Bone plate will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-332234