Exhibit 21.1

COVIDIEN PLC

SUBSIDIARIES OF THE REGISTRANT

COUNTRY	ENTITY NAME	JURISDICTION
Australia	Auto Suture Holdings Pty Limited
	Covidien Australia Pty Ltd
	Covidien Pty Limited
	Lafayette Pharmaceuticals Pty Limited
	Mallinckrodt Australia Pty Limited
	Medefield Pty Limited
	Tyco Healthcare Pty Limited
	Valleylab (Australia) Pty Limited
	ev3 Australia Pty Limited
Austria	Covidien Austria GmbH
Bahamas, The	A&E Products Korea Ltd.
Barbados	Graphic Controls (Barbados), Ltd.
	USSC FSC, Inc.
Belgium	Covidien Belgium BVBA/Sprl
	Covidien Logistics BVBA
	Mallinckrodt Belgium N.V./S.A.
	Tyco Adhesives BVBA
Bermuda	Carnforth Limited
	Covidien Ltd.
	Covidien Ventures Ltd.
	Tyco Sigma Limited
Brazil	A&E Products do Brasil Ltda.
	Auto Suture do Brasil Ltda.
	Mallinckrodt do Brasil, Ltda.
	Polysuture Industria e Comercio Ltda.
	Tyco Healthcare do Brasil Ltda.
	ev3 Comercio de Productos Endovasculares do Brazil Ltda
Canada	Hygieia Holdings (Canada) Inc.
	Inbrand Corporation (Canada) Inc.
	Lafayette Pharmaceuticals (Canada) Inc.
	Ludlow Canada, Inc.
	Ludlow Technical Products Canada, Ltd.
	Mallinckrodt Canada ULC
	Nellcor Puritan Bennett (Melville) ULC
	Tyco Healthcare Group Canada ULC
	ev3 Canada Inc.
Cayman Islands	Davis & Geck Caribe Limited
	U.S.S.C. Puerto Rico, Inc.
Chile	Comercial Kendall (Chile) Limitada
China	Covidien (Shanghai) Management Consulting Co., Ltd.
	Covidien Healthcare Trading (Shanghai) Co., Ltd.
	Covidien Medical Products (Shanghai) Manufacturing L.L.C.

COVIDIEN PLC

SUBSIDIARIES OF THE REGISTRANT

COUNTRY	ENTITY NAME	JURISDICTION
	Tyco Healthcare International Trading (Shanghai) Co., Ltd.
	Tyco Plastics International Trading (Shanghai) Co., Ltd.
	ev3 Medical Devices (Beijing) Company, Ltd.
Colombia	Tyco Healthcare Colombia S.A.
Costa Rica	A&E Productos de Costa Rica, S.A.
	Covidien Manufacturing Solutions, S.A.
	Kendall Innovadores en Cuidados al Paciente S.A.
Denmark	Covidien Danmark A/S
	Tyco Holding VII (Denmark) ApS
	Tyco Holding XIII (Denmark) ApS
	Tyco Holding XIV (Denmark) ApS
	Tyco Holding XV (Denmark) ApS
	Tyco Holding XVI (Denmark) ApS
Finland	Covidien Finland Oy
France	ASE Partners S.A.
	Airox S.A.
	Auto Suture European Services Center, SAS
	Covidien France SAS
	Covidien Imaging France Sarl
	Covidien Manufacturing Grenoble SAS
	Floreane Medical Implants
	Imedex Biomateriaux
	Ittac Production
	Karner Europe SARL
	Kendall SAS
	La Trevoltiane
	Ludlow Technical Products France
	Mallinckrodt Developpement France S.A.S.
	Mareane SA
	Power Medical Inverventions France S.a.r.l.
	Sofradim Production
	Sofradim SAS
	Tyco Healthcare Lyon
	Tyco Healthcare SA
	Tyco Healthcare Trevoux
	ev3 Europe SAS
	ev3 SAS
Germany	Covidien Deutschland GmbH
	Dendron GmbH
	Dritte CORSA Verwaltungsgesellschaft mbH
	Karner Europe GmbH
	Mallinckrodt Chemical GmbH
	Mallinckrodt Chemical Holdings GmbH
	Mallinckrodt Medical GmbH
	Mallinckrodt Medical Holdings GmbH
	Power Medical Interventions Deutschland GmbH

COVIDIEN PLC

SUBSIDIARIES OF THE REGISTRANT

COUNTRY	ENTITY NAME	JURISDICTION
	Sofradim GmbH
	Tyco Healthcare Deutschland Manufacturing GmbH
	USSC (Deutschland) GmbH
	USSC Medical GmbH
	ev3 GmbH
Gibraltar	Covidien (Gibraltar) Holding Limited
	Covidien (Gibraltar) Limited
	Velum 1998 Limited
	Verdana Holdings Limited
Greece	Covidien Hellas S.A.
Guatemala	A&E Products Guatemala, S.A.
Honduras	A&E Products de Honduras S.A.
Hong Kong	A&E Products (Far East) Limited
	Batts Far East Limited
	Covidien (HKSAR) Co., Limited
	Mallinckrodt Hong Kong Limited
	Tyco Healthcare (HKSAR) Limited
Hungary	Covidien Hungary Kft.
India	A&E India Pvt Ltd
	Tyco Healthcare India Pvt Limited
Ireland	Covidien Finance Ireland Limited
	Covidien Holdings Ireland Limited
	Covidien Ireland Commercial Limited
	Covidien Services Europe Limited
	Mallinckrodt International Financial Services Company
	Mallinckrodt Medical
	Mallinckrodt Medical Imaging—Ireland
	Nellcor Puritan Bennett Ireland
	Nellcor Puritan Bennett Ireland Holdings
	Spitafield
	Tyco Healthcare Ireland Limited
Israel	Covidien (Israel) Ltd.
Italy	Covidien Italia, S.p.A.
	Karner-Batts SRL
	Mallinckrodt DAR Srl
	Mallinckrodt Italia Srl
	Tyco Adhesives Italia Srl
	ev3 S.r.l.
Japan	Covidien Japan, Inc.
	Kendall Healthcare Products (Japan) Co., Ltd.
	Nippon Sherwood Medical Industries Ltd.
	Power Medical Interventions Japan, Inc.
	ev3 K.K.

COVIDIEN PLC

SUBSIDIARIES OF THE REGISTRANT

COUNTRY	ENTITY NAME	JURISDICTION
Luxembourg	Covidien Group S.a.r.l.
	Covidien International Finance S.A.
	Valera Holdings S.a.r.l.
Malaysia	Mediquip Sdn. Bhd.
	Tyco Healthcare Medical Supplies Sdn Bhd
Mauritius	Covidien Asia Investments Limited
Mexico	Carlisle Recycling de Mexico S.A. de C.V.
	Especialidades Medicas Kenmex, S.A. de C.V.
	Euro-Flex de Mexico, S.A. de C.V.
	Kendall de Mexico, S.A. de C.V.
	MMJ, S.A. de C.V.
	Mallinckrodt Medical S.A. de C.V.
	Nellcor Puritan Bennett Mexico, S.A. de C.V.
	Raychem Tecnologias, S. de R.L. de C.V.
	Raychem Tijuana Services, S.A. de C.V.
	Retail Group de Mexico S.A. de C.V.
Netherlands	Auto Suture Belgium B.V.
	Covidien Canada Holdings (A) Cooperatie U.A.
	Covidien Canada Holdings (B) Cooperatie U.A.
	Covidien Canada Holdings (C) Cooperatie U.A.
	Covidien France Holdings (A) Cooperatie U.A.
	Covidien France Holdings (B) Cooperatie U.A.
	Covidien Nederland B.V.
	Mallinckrodt Benelux B.V.
	Mallinckrodt Europe B.V.
	Mallinckrodt Holdings B.V.
	Mallinckrodt Medical B.V.
	Mallinckrodt Operations B.V.
	Mallinckrodt Services B.V.
	Somanetics International B.V.
	ev3 B.V.
New Zealand	Tyco Healthcare Limited
Norway	Covidien Norge AS
Panama	KMS Colon, Panama, S.A.
	Kendall, S.A. (Panama)
Peru	Covidien Peru S.A.
Philippines	Carlisle Philippines, Inc.
Poland	Covidien Polska Sp.z.o.o.
	Mallinckrodt Polska Sp.z o.o.
	ev3 sp. z o.o.
Portugal	Covidien Portugal, Produtos De Saude Lda.
	Karner Europe, Lda
Romania	Karner Europe SRL
Russia	Auto Suture Surgical Instruments
	Covidien Medical

COVIDIEN PLC

SUBSIDIARIES OF THE REGISTRANT

COUNTRY	ENTITY NAME	JURISDICTION
Singapore	Mallinckrodt Asia Pacific Pte. Ltd.
	Tyco Healthcare Pte Ltd
	ev3 Singapore Pte. Ltd.
Slovakia	Covidien ECE s.r.o.
South Africa	A&E Products South Africa (Proprietary) Limited
	Accucomp (Pty.) Ltd.
	Accufusion (Pty.) Ltd.
	Covidien (Proprietary) Limited
	Kendall Company of South Africa (Pty) Limited, The
	Trigate (Pty.) Ltd.
	Trinance (Pty.) Ltd.
South Korea	Batts Korea Ltd.
	Tyco Healthcare Korea, Inc.
Spain	Controles Graphicos Ibericos, S.A.
	Covidien Spain S.L.
	Kendall Espana S.A.
	Mallinckrodt Medical S.A.
	ev3 Technologies Iberica, S.L.
Sweden	Covidien Sverige AB
	DISAB Diagnostic Imaging Holding AB
	ev3 Nordic AB
	Karner Europe AB
	Mallinckrodt Sweden AB
Switzerland	Covidien AG
	Covidien Finance GmbH
	Covidien Swiss Holdings GmbH
	Covidien Switzerland AG
	Heartstone Services GmbH
	Mallinckrodt Switzerland Limited
	TBL Plastics Services AG
	TBL Retail Services AG
	Tyco International Finance Alpha GmbH
Taiwan	A&E Hangers Taiwan Co., Ltd.
	Tyco Healthcare (Taiwan) Ltd.
Thailand	Kendall Gammatron Limited
	THC Holdings Limited
	Tyco Healthcare (Thailand) Limited
Turkey	Covidien Saglik A.S.
	Karner Europe Aski Ticaret Limited Sirketi
	Tibset Steril Tibbi Aletler Sanayi ve Ticaret Anonim Sirketi
United Kingdom	A&E Karner Limited
	Advanced Absorbent Products Holdings Limited
	Argyle Medical Industries (U.K.) Limited
	Aspect Medical Systems UK Limited
	Auto Suture U.K. Limited

COVIDIEN PLC

SUBSIDIARIES OF THE REGISTRANT

COUNTRY	ENTITY NAME	JURISDICTION
	Auto Suture UK Export Limited
	CDK U.K. Limited
	Comforta Healthcare Ltd. (UK)
	Covidien (UK) Commercial Limited
	Covidien Healthcare Holding UK Limited
	Covidien UK Holding Ltd
	Ganmill Limited
	Inbrand Holdings Limited
	Inbrand Limited
	Inbrand UK Limited
	Karner Europe (UK) Ltd.
	Lafayette Healthcare Limited
	MKG Medical U.K. Ltd.
	Mallinckrodt Chemical Holdings (U.K.) Ltd.
	Mallinckrodt Chemical Limited
	Mallinckrodt Medical Argentina Limited
	Mallinckrodt Medical Holdings (U.K.) Limited
	Mallinckrodt U.K. Ltd.
	Pryor and Howard (1988) Limited
	Regentix Limited
	Sofradim Ltd
	Tissue Science Laboratories (UK) Limited
	Tissue Science Laboratories Limited
	Tyco Healthcare (UK) Manufacturing Limited
	Tyco Healthcare UK Limited
	Tyco Healthcare UK Pension Trustees Limited
	VNUS Medical Technologies UK Ltd.
	ev3 Limited
United States	A&E Construction Products, Inc.	Delaware
	A&E GP Holding, Inc.	Nevada
	A&E Hangers, Inc.	Nevada
	A&E Holding GP	Delaware
	A&E Products Group LP	Delaware
	A&E Products Group, Inc.	Delaware
	AEPG, Inc.	Nevada
	AWZ Inc.	Delaware
	Adhesives Holding GP	Delaware
	Airox, Inc.	Delaware
	Auto Suture Company, Australia	Connecticut
	Auto Suture Company, Canada	Connecticut
	Auto Suture Company, Netherlands	Connecticut
	Auto Suture Company, U.K.	Connecticut
	Auto Suture Eastern Europe, Inc.	Delaware
	Auto Suture International, Inc.	Connecticut
	Auto Suture Norden Co.	Connecticut
	Auto Suture Puerto Rico, Inc.	Connecticut
	Auto Suture Russia, Inc.	Delaware
	Batts Holdings, Inc.	Delaware
	Batts, Inc.	Michigan

COVIDIEN PLC

SUBSIDIARIES OF THE REGISTRANT

COUNTRY	ENTITY NAME	JURISDICTION
	Carlisle Plastics Holding LLC	Delaware
	Chestnut Medical Technologies, Inc.	California
	Coated Products GP, Inc.	Nevada
	Coated Products Holdings, Inc.	Delaware
	Confluent Surgical, Inc.	Delaware
	Covidien Canada Holdings LLC	Delaware
	Covidien France Holdings, Inc.	Connecticut
	Covidien Inc.	Delaware
	Covidien International (US) Holdings A, LLC	Delaware
	Covidien US Holdings, Inc.	Delaware
	Covidien llc	Delaware
	Elkay Services LLC	Delaware
	First Lafayette Holdings, Inc.	Delaware
	Forever Hangers, Inc.	Michigan
	FoxHollow Technologies, Inc.	Delaware
	GC Holding, Inc.	Delaware
	GC Holding, Inc. I	Delaware
	General Sub Acquisition Corp.	California
	General Surgical Holdings, Inc.	Nevada
	General Surgical Innovations, Inc.	California
	Georgia Packaging, Inc.	Delaware
	Graphic Holdings, Inc.	Delaware
	IMC Exploration Company	Maryland
	Infrasonics Technologies, Inc.	Nevada
	InnerDyne Holdings, Inc.	Delaware
	InnerDyne, Inc.	Delaware
	Kendall Holding Corp.	Nevada
	King Packaging Co., Inc.	Georgia
	LCP Holding	Delaware
	LCP, Inc.	Nevada
	Lafayette Pharmaceuticals, Incorporated	Delaware
	Liebel-Flarsheim Company	Delaware
	Life Design Systems, Inc.	Wisconsin
	Ludlow Coated Products LP	Delaware
	Ludlow Company LP, The	Delaware
	Ludlow Corporation	Massachusetts
	Ludlow Services LLC	Delaware
	Ludlow Technical Products Corporation	New York
	MSCH LLC	Delaware
	Mallinckrodt Brand Pharmaceuticals, Inc.	Delaware
	Mallinckrodt Caribe, Inc.	Delaware
	Mallinckrodt Holdings, LLC	Delaware
	Mallinckrodt Inc.	Delaware
	Mallinckrodt International Corporation	Missouri
	Mallinckrodt LLC	Delaware
	Mallinckrodt US LLC	Delaware
	Mallinckrodt Veterinary, Inc.	Delaware
	Micro Therapeutics International, Inc.	Delaware
	Micro Therapeutics, Inc.	Delaware
	National Catheter Corporation	New York

COVIDIEN PLC

SUBSIDIARIES OF THE REGISTRANT

COUNTRY	ENTITY NAME	JURISDICTION
	National Tape Corporation	Louisiana
	National Tape Holdings, Inc.	Delaware
	Nellcor Puritan Bennett LLC	Delaware
	Old Colony State Insurance Company	Vermont
	PTB International LLC	Delaware
	Plastics Holding Corporation	Nevada
	Polyken Technologies Europe, Inc.	Delaware
	Scandius Biomedical, Inc.	Delaware
	Sherwood Medical Company I	Delaware
	Sherwood-Accurate Inc.	Delaware
	Sofradim Corporation	Massachusetts
	Somanetics Corp	Delaware
	Sunbelt Holding LLC	Delaware
	Sunbelt Holding, Inc. I	Delaware
	Sunbelt Holdings, Inc.	Delaware
	Sunbelt Manufacturing, Inc.	Louisiana
	Surgical Service Corporation	Maryland
	TA, Inc.	Nevada
	THC Pool LLC	Nevada
	Tyco Adhesives GP Holding, Inc.	Nevada
	Tyco Adhesives LP	Delaware
	Tyco Adhesives, Inc.	Nevada
	Tyco Healthcare Group LP	Delaware
	Tyco Plastics LP	Delaware
	U.S.S.C. Puerto Rico (NY), Inc.	New York
	USSC Financial Services Inc.	Connecticut
	United States Surgical Corporation	Delaware
	VNUS Medical Technologies II, Inc.	Delaware
	Valleylab Holding Corporation	Delaware
	Vivant Medical, Inc.	Delaware
	ev3 Endovascular, Inc.	Delaware
	ev3 Inc.	Delaware
	ev3 International, Inc.	Delaware
	ev3 Peripheral, Inc.	Minnesota
Uruguay	KMS Montevideo, Uruguay, S.A.
Venezuela	Kendall de Venezuela, C.A.