Folder with disposable blades?

[Jens Schuetz]

What the ?
I just discovered that there are folding knives which take standard scalpel blades.
I wish I would have known about them when I was still doing research involving plants and lots of fine cutting.

Source: http://bedrockandparadox.files.wordpress.com/2013/12/img_2260.jpg?w=1024
http://www.cliffstamp.com/knives/forum/read.php?20,11463,11463
http://bedrockandparadox.com/2013/12/05/havalon-piranta-review/

While I know the blades I have no clue about the folders. Has any body any experience with them?
Thank you!