[MDB IGNORE] [IDB IGNORE] Upstream Sync - 04/17/2026 (#5453)

Upstream 04/17/2026

fixes https://github.com/Bubberstation/Bubberstation/issues/5549

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code/modules/surgery/operations/operation_generic_basic.dm

@@ -28,7 +28,7 @@
 	return ..() + list("The patient must not have complex anatomy")
 
 /datum/surgery_operation/basic/incise_skin/get_default_radial_image()
-	return image(/obj/item/scalpel)
+	return image('icons/hud/surgery_radial.dmi', "make_incision")
 
 /datum/surgery_operation/basic/incise_skin/state_check(mob/living/patient)
 	return !patient.has_limbs // Only for limbless mobs
@@ -91,7 +91,7 @@
 	return ..() + list("The patient must not have complex anatomy")
 
 /datum/surgery_operation/basic/saw_bone/get_default_radial_image()
-	return image(/obj/item/circular_saw)
+	return image('icons/hud/surgery_radial.dmi', "mend_incision")
 
 /datum/surgery_operation/basic/saw_bone/state_check(mob/living/patient)
 	return !patient.has_limbs // Only for limbless mobs
@@ -167,7 +167,7 @@
 		var/obj/item/gun/energy/laser/lasergun = tool
 		return lasergun.cell?.charge > 0
 
-	return tool.get_temperature() > 0
+	return tool.get_temperature() >= FIRE_MINIMUM_TEMPERATURE_TO_EXIST
 
 /datum/surgery_operation/basic/close_skin/on_preop(mob/living/patient, mob/living/surgeon, obj/item/tool, list/operation_args)
 	display_results(