Variable depth drill guide

Details Variable depth drill guide Variable depth drill guide

2005-11-16

2008-10-28

Philogene, Pedro (Department: 3733)

Surgery

Instruments

Orthopedic instrumentation

Reexamination Certificate

active

07442197

ABSTRACT:
A variable depth drill guide assembly and a method of controlling a depth of a drill insertion into a bone using the variable depth drill guide assembly, wherein the assembly comprises a shaft; an outer sleeve connected to the shaft, wherein the outer sleeve comprises slots; a tip connected to the outer sleeve; an inner sleeve slidably mounted in the outer sleeve; and a spring engaging the inner sleeve and the outer sleeve. Moreover, the inner sleeve is preferably adapted to control a depth of a drill insertion into a bone. Additionally, the inner sleeve preferably comprises a stop adapted to engage the slots of the outer sleeve. Furthermore, the spring may be adapted to provide spring loading for the inner sleeve.

REFERENCES:
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patent: 6203543 (2001-03-01), Glossop
patent: 6286401 (2001-09-01), Hajianpour
patent: 7060068 (2006-06-01), Tromanhauser et al.
patent: 2003/0233098 (2003-12-01), Markworth

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