Rougines (periosteal elevators)
These are sharp edged instruments
They are used to elevate the periosteum from the surface of bone.
This procedure is required, before you can apply any cutting instrument to the bone.
Doyen’s periosteal elevator
It has a polygonal handle.
The blade is shaped like a hook
Uses the instrument is used to separate the periosteum from both surfaces of the rib (superficial & deep)
On completion the periosteum is stitched this helps healing.
Costotomes ( rib cutters)
These are instruments used to cut ribs.
The cutting edge of the instrument comes against a metal plate on going through
the rib.
This protects the deeper structures from the cutting edge.
Any questions be sent to drmmkapur@gmail.com
These are sharp edged instruments
They are used to elevate the periosteum from the surface of bone.
This procedure is required, before you can apply any cutting instrument to the bone.
Doyen’s periosteal elevator
It has a polygonal handle.
The blade is shaped like a hook
Uses the instrument is used to separate the periosteum from both surfaces of the rib (superficial & deep)
On completion the periosteum is stitched this helps healing.
Costotomes ( rib cutters)
These are instruments used to cut ribs.
The cutting edge of the instrument comes against a metal plate on going through
the rib.
This protects the deeper structures from the cutting edge.
Any questions be sent to drmmkapur@gmail.com
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Resource
http://www.medema.co.uk/Products.aspx?ProductCatalogueName=Surgical_Instruments&ProductTypeName=Surgical_Instruments_Cardiovascular_Surgery&PCount=1&PID=15&PCountLink=0 
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