What tools did Norman Bethune create?

Bethune invented or improved 12 surgical and medical instruments. His most notable achievements

were:

In Spain during the Civil War, Bethune established the first mobile transfusion service and Mobile Medical Units (MASH) that went to the wounded, saving valuable time in treating them. He used refrigeration units to store the blood so it got to soldiers faster.

He developed a portable operating theatre that could be transported by mules (in China) so it could go over dangerous mountain areas.

Wrote a medical manual dealing with guerilla warfare.

He developed the Scapula Lifter and Retractor Instrument