Makes privates not spew around upon disembowelment or gibbing.

code/modules/surgery/bodyparts/dismemberment.dm

@@ -60,8 +60,7 @@
 	playsound(get_turf(C), 'sound/misc/splort.ogg', 80, 1)
 	for(var/X in C.internal_organs)
 		var/obj/item/organ/O = X
-		var/org_zone = check_zone(O.zone)
-		if(org_zone != BODY_ZONE_CHEST)
+		if(O.organ_flags & ORGAN_NO_DISMEMBERMENT || check_zone(O.zone) != BODY_ZONE_CHEST)
 			continue
 		O.Remove()
 		O.forceMove(T)

code/modules/surgery/organs/augments_arms.dm

@@ -2,6 +2,7 @@
 	name = "arm-mounted implant"
 	desc = "You shouldn't see this! Adminhelp and report this as an issue on github!"
 	zone = BODY_ZONE_R_ARM
+	organ_flags = ORGAN_SYNTHETIC
 	icon_state = "implant-toolkit"
 	w_class = WEIGHT_CLASS_NORMAL
 	actions_types = list(/datum/action/item_action/organ_action/toggle)

code/modules/surgery/organs/organ_internal.dm

@@ -8,7 +8,7 @@
 	var/zone = BODY_ZONE_CHEST
 	var/slot
 	// DO NOT add slots with matching names to different zones - it will break internal_organs_slot list!
-	var/organ_flags = 0
+	var/organ_flags = NONE
 	var/maxHealth = STANDARD_ORGAN_THRESHOLD
 	var/damage = 0		//total damage this organ has sustained
 	///Healing factor and decay factor function on % of maxhealth, and do not work by applying a static number per tick