What was different between scalpel and bistoury?

Scalpel

* A small, sharp knife used for surgery.

* Has a straight, pointed blade.

* The blade is typically made of stainless steel.

* The handle is typically made of plastic or metal.

* Used for precise cutting and dissection of tissue.

Bistoury

* A surgical knife with a curved blade.

* The blade is typically made of carbon steel.

* The handle is typically made of wood or bone.

* Used for making larger incisions and removing tissue.