There are seven Surgical Tools used while Performing Surgeries. Any of these tools can fall from a Surgical Tool tree.
To grow, plant a Surgical Tool Seed. (Or splice a High Tech Wall Seed with a Biohazard Sign Seed)
How does these work?
Antiseptic = It Sanitize the Patient, A bit cleans the operating site.
Anesthetic = It makes the patient knock down/sleep.
Scalpel = It opens the patient's body.
Fix it! = Fixes the Kidney, Lungs, Liver, etc.
Stitches = It Closes up the opened body of the patient.
Sponge = It Cleans the bleed of the patient.
Antibiotics = It lows the patient's temperature.
Splint = Fix broken bone.