diff --git a/code/defines/obj/weapon.dm b/code/defines/obj/weapon.dm
index e144c194e02..3c9bbf6f998 100644
--- a/code/defines/obj/weapon.dm
+++ b/code/defines/obj/weapon.dm
@@ -310,6 +310,7 @@
 	name = "shard"
 	icon = 'icons/obj/shards.dmi'
 	icon_state = "large"
+	sharp = 1
 	desc = "Could probably be used as ... a throwing weapon?"
 	w_class = 1.0
 	force = 5.0
diff --git a/code/game/objects/items/weapons/weaponry.dm b/code/game/objects/items/weapons/weaponry.dm
index 8ba50a3964f..08af5cda280 100644
--- a/code/game/objects/items/weapons/weaponry.dm
+++ b/code/game/objects/items/weapons/weaponry.dm
@@ -140,10 +140,11 @@
 
 /obj/item/weapon/harpoon
 	name = "harpoon"
+	sharp = 1
 	desc = "Tharr she blows!"
 	icon_state = "harpoon"
 	item_state = "harpoon"
 	force = 20
 	throwforce = 15
 	w_class = 2
-	attack_verb = list("jab","stabbed","ripped")
\ No newline at end of file
+	attack_verb = list("jabbed","stabbed","ripped")
\ No newline at end of file
diff --git a/code/modules/mob/living/carbon/human/human_damage.dm b/code/modules/mob/living/carbon/human/human_damage.dm
index 8346d753198..159f380e0b2 100644
--- a/code/modules/mob/living/carbon/human/human_damage.dm
+++ b/code/modules/mob/living/carbon/human/human_damage.dm
@@ -190,7 +190,9 @@
 		zone = "head"
 	return organs_by_name[zone]
 
-/mob/living/carbon/human/apply_damage(var/damage = 0,var/damagetype = BRUTE, var/def_zone = null, var/blocked = 0, var/sharp = 0, var/used_weapon = null)
+/mob/living/carbon/human/apply_damage(var/damage = 0,var/damagetype = BRUTE, var/def_zone = null, var/blocked = 0, var/sharp = 0, var/obj/used_weapon = null)
+
+	//visible_message("Hit debug. [damage] | [damagetype] | [def_zone] | [blocked] | [sharp] | [used_weapon]")
 	if((damagetype != BRUTE) && (damagetype != BURN))
 		..(damage, damagetype, def_zone, blocked)
 		return 1
@@ -219,6 +221,15 @@
 				UpdateDamageIcon()
 
 	// Will set our damageoverlay icon to the next level, which will then be set back to the normal level the next mob.Life().
-
 	updatehealth()
+
+	if(!organ) return
+	if(!istype(used_weapon,/obj/item/weapon)) return
+
+	var/obj/item/weapon/W = used_weapon
+	if(damage > 20 && (prob(damage/W.w_class) || sharp))
+		W.loc = organ
+		organ.implants += W
+		visible_message("<span class='danger'>\The [W] sticks in the wound!</span>")
+		W.add_blood(src)
 	return 1
diff --git a/code/modules/mob/living/carbon/human/human_defense.dm b/code/modules/mob/living/carbon/human/human_defense.dm
index 3ad4a6adb54..7aa3103f174 100644
--- a/code/modules/mob/living/carbon/human/human_defense.dm
+++ b/code/modules/mob/living/carbon/human/human_defense.dm
@@ -170,7 +170,7 @@ emp_act
 	if(armor >= 2)	return 0
 	if(!I.force)	return 0
 
-	apply_damage(I.force, I.damtype, affecting, armor , is_sharp(I), I.name)
+	apply_damage(I.force, I.damtype, affecting, armor , is_sharp(I), I)
 
 	var/bloody = 0
 	if(((I.damtype == BRUTE) || (I.damtype == HALLOSS)) && prob(25 + (I.force * 2)))
diff --git a/code/modules/mob/living/living_defense.dm b/code/modules/mob/living/living_defense.dm
index 86d251cdf45..5070f5ea332 100644
--- a/code/modules/mob/living/living_defense.dm
+++ b/code/modules/mob/living/living_defense.dm
@@ -72,7 +72,7 @@
 		src.visible_message("\red [src] has been hit by [O].")
 		var/armor = run_armor_check(zone, "melee", "Your armor has protected your [zone].", "Your armor has softened hit to your [zone].")
 		if(armor < 2)
-			apply_damage(O.throwforce*(speed/5), dtype, zone, armor, O)
+			apply_damage(O.throwforce*(speed/5), dtype, zone, armor, O.sharp, O)
 		if(!O.fingerprintslast)
 			return
 		var/client/assailant = directory[ckey(O.fingerprintslast)]
diff --git a/code/modules/surgery/implant.dm b/code/modules/surgery/implant.dm
index 238bbc0a418..5e076dc3fee 100644
--- a/code/modules/surgery/implant.dm
+++ b/code/modules/surgery/implant.dm
@@ -163,19 +163,29 @@
 		var/datum/organ/external/chest/affected = target.get_organ(target_zone)
 
 		var/find_prob = 0
+
 		if (affected.implants.len)
-			var/obj/item/weapon/implant/imp = affected.implants[1]
-			if (imp.islegal())
-				find_prob +=60
+
+			var/obj/item/weapon/obj = affected.implants[1]
+
+			if(istype(obj,/obj/item/weapon/implant))
+				var/obj/item/weapon/implant/imp = obj
+				if (imp.islegal())
+					find_prob +=60
+				else
+					find_prob +=40
 			else
-				find_prob +=40
+				find_prob +=50
+
 			if (prob(find_prob))
 				user.visible_message("\blue [user] takes something out of incision on [target]'s [affected.display_name] with \the [tool].", \
 				"\blue You take something out of incision on [target]'s [affected.display_name]s with \the [tool]." )
-				affected.implants -= imp
-				imp.loc = get_turf(target)
-				imp.imp_in = null
-				imp.implanted = 0
+				affected.implants -= obj
+				obj.loc = get_turf(target)
+				if(istype(obj,/obj/item/weapon/implant))
+					var/obj/item/weapon/implant/imp = obj
+					imp.imp_in = null
+					imp.implanted = 0
 		else if (affected.hidden)
 			user.visible_message("\blue [user] takes something out of incision on [target]'s [affected.display_name] with \the [tool].", \
 			"\blue You take something out of incision on [target]'s [affected.display_name]s with \the [tool]." )