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 Ltd
	Medefield Pty Limited
	Panmedica Pty Limited
	Sherwood Medical Industries Pty Ltd
	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 Sigma Limited
	Covidien Ventures Ltd.
Brazil	A&E Products do Brasil Ltda.
	Auto Suture do Brasil Ltda.
	Mallinckrodt do Brasil, Ltda.
	Polysuture Industria e Comercio Ltda.
	ev3 Comercio de Produtos Endovasculares do Brazil Ltda
Canada	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

COVIDIEN PLC SUBSIDIARIES OF THE REGISTRANT
COUNTRY	ENTITY NAME	JURISDICTION
China	Covidien (Shanghai) Management Consulting Co., Ltd.
	Covidien Healthcare Trading (Shanghai) Co., Ltd.
	Covidien Medical Products (Shanghai) Manufacturing L.L.C.
	Tyco Healthcare International Trading (Shanghai) Co., Ltd.
	Tyco Plastics International Trading (Shanghai) Co., Ltd.
	ev3 Medical Devices (Beijing) Company, Ltd.
	Covidien (China) Medical Devices Technology Co., Ltd.
Colombia	Covidien 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
	Covidien VII (Denmark) ApS
Finland	Covidien Finland Oy
France	ASE Partners
	Airox
	Auto Suture European Services Center
	Covidien France SAS
	Covidien Imaging France
	Covidien Lyon
	Covidien Manufacturing Grenoble
	Covidien Trevoux
	Floreane Medical Implants
	Imedex Biomateriaux
	Kendall SAS
	La Trevoltiane
	Ludlow Technical Products France
	Mareane
	Mindframe France
	Power Medical Interventions France S.a.r.l.
	Sofradim
	Sofradim Production
	ev3 Europe SAS
	ev3 SAS
Germany	Covidien Deutschland GmbH
	Dendron GmbH
	Dritte CORSA Verwaltungsgesellschaft mbH
	Karner Europe GmbH
	Power Medical Interventions Deutschland GmbH

COVIDIEN PLC SUBSIDIARIES OF THE REGISTRANT
COUNTRY	ENTITY NAME	JURISDICTION
	Covidien Deutschland Manufacturing GmbH
	superDimension (Europe) GmbH
	USSC (Deutschland) GmbH
	USSC Medical GmbH
	ev3 GmbH
Gibraltar	Covidien (Gibraltar) Holding Limited
	Covidien (Gibraltar) 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
	Covidien Hong Kong Limited
	Covidien Hong Kong No. 2 Limited
	Mallinckrodt Hong Kong Limited
Hungary	Covidien Hungary Kft.
India	A&E India Pvt Ltd
	Covidien Engineering Services Private Limited
	Covidien Healthcare India Private Limited
Indonesia	PT. COVIDIEN INDONESIA
Ireland	Covidien Finance Ireland Limited
	Covidien Holdings Ireland Limited
	Covidien Ireland Commercial Limited
	Covidien Ireland Limited
	Covidien Services Europe Limited
	Covidien JJE Public Limited Company
	Mallinckrodt International Financial Services Company
	Mallinckrodt Medical
	Mallinckrodt Medical Imaging—Ireland
	Nellcor Puritan Bennett Ireland
	Nellcor Puritan Bennett Ireland Holdings
Israel	Covidien (Israel) Ltd.
	PolyTouch Medical Ltd.
	Covidien Israel Holdings Ltd.

COVIDIEN PLC SUBSIDIARIES OF THE REGISTRANT
COUNTRY	ENTITY NAME	JURISDICTION
	Covidien Israel Investments Ltd.
	Oridion Medical 1987 Ltd.
	Oridion Medical Technologies Ltd.
	Oridion Systems Ltd.
	superDimension Ltd.
Italy	Covidien Italia, S.p.A.
	Mallinckrodt DAR Srl
	Tyco Adhesives Italia Srl
	ev3 S.r.l.
Japan	Covidien Japan, Inc.
	Kendall Healthcare Products (Japan) Co., Ltd.
	Nippon Covidien Ltd.
	ev3 K.K.
Luxembourg	Covidien Group S.a.r.l.
	Covidien International Finance S.A.
	Valera Holdings S.a.r.l.
Malaysia	Covidien Sendirian Berhad
	Mediquip 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 Holdings B.V.
	Mallinckrodt Medical B.V.
	ev3 B.V.

COVIDIEN PLC SUBSIDIARIES OF THE REGISTRANT
COUNTRY	ENTITY NAME	JURISDICTION
New Zealand	Covidien New Zealand Limited
Norway	Covidien Norge AS
Panama	KMS Colon, Panama, S.A.
	Kendall, S.A. (Panama)
Peru	Covidien Peru S.A.
Philippines	Carlisle Philippines, Inc.
	Covidien 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.
Russia	Covidien Eurasia LLC
	Covidien Medical
Singapore	Covidien Private Limited
	Mallinckrodt Asia Pacific Pte. Ltd.
	ev3 Singapore Pte. Limited
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	Covidien Korea, Inc.
Spain	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

COVIDIEN PLC SUBSIDIARIES OF THE REGISTRANT
COUNTRY	ENTITY NAME	JURISDICTION
	Mallinckrodt Sweden AB
Switzerland	Covidien AG
	Covidien Finance GmbH
	Covidien Swiss Holdings GmbH
	Covidien Schweiz AG
	Heartstone Services GmbH
	Mallinckrodt Switzerland Limited
Taiwan	A&E Hangers Taiwan Co., Ltd.
	Covidien (Taiwan) Ltd.
Thailand	Covidien (Thailand) Limited
	Kendall Gammatron Limited
	THC Holdings Limited
Turkey	Covidien Saglik A.S.
	CG Saglik Limited Sirketi
	Karner Europe Aski Ticaret Limited Sirketi
United Kingdom	A&E Karner Limited
	Advanced Absorbent Products Holdings Limited
	Argyle Medical Industries (U.K.) Limited
	Auto Suture U.K. Limited
	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
	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

COVIDIEN PLC SUBSIDIARIES OF THE REGISTRANT
COUNTRY	ENTITY NAME	JURISDICTION
	Covidien Manufacturing Ltd.
	Covidien UK Limited
	Tyco Healthcare UK Pension Trustees Limited
	ev3 Limited
United States	A&E Products Group, Inc.	Delaware
	Airox, Inc.	Delaware
	Auto Suture Company, Australia	Connecticut
	Auto Suture Company, Canada	Connecticut
	Auto Suture Company, U.K.	Connecticut
	Auto Suture Puerto Rico, Inc.	Connecticut
	Auto Suture Russia, Inc.	Delaware
	Kendall Company Holding Corporation	Delaware
	Batts LLC	Delaware
	Batts, Inc.	Michigan
	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 Holding Inc.	Delaware
	Covidien International (US) Holdings A, LLC	Delaware
	Covidien Holdings International Corporation	Delaware
	Covidien US Holdings, Inc.	Delaware
	Covidien Sales LLC	Delaware
	Covidien llc	Delaware
	Covidien LP	Delaware
	Elkay Services LLC	Delaware
	Enterprises Holdings, Inc.	Delaware
	First Lafayette Holdings, LLC	Delaware
	GC Holding, Inc.	Delaware
	GC Holding, Inc. I	Delaware
	Georgia Packaging, Inc.	Delaware
	Graphic Holdings, Inc.	Delaware
	IMC Exploration Company	Maryland
	Infrasonics Technologies, Inc.	Nevada
	InnerDyne Holdings, Inc.	Delaware
	InnerDyne, Inc.	Delaware
	LCP Holding	Delaware
	LCP, Inc.	Nevada
	Lafayette Pharmaceuticals LLC	Delaware
	Liebel-Flarsheim Company LLC	Delaware
	Life Design Systems, Inc.	Wisconsin
	Ludlow Coated Products LP	Delaware
	Ludlow Company LP, The	Delaware
	Ludlow Corporation	Massachusetts

COVIDIEN PLC SUBSIDIARIES OF THE REGISTRANT
COUNTRY	ENTITY NAME	JURISDICTION
	Ludlow Services LLC	Delaware
	Ludlow Technical Products Corporation	New York
	MEH, Inc.	Nevada
	MSCH LLC	Delaware
	Mallinckrodt Brand Pharmaceuticals, Inc.	Delaware
	Mallinckrodt Caribe, Inc.	Delaware
	Mallinckrodt Enterprises Holdings, Inc.	California
	Mallinckrodt Caribbean, Inc.	Delaware
	Mallinckrodt Enterprises LLC	Delaware
	Mallinckrodt Holdings, LLC	Delaware
	Mallinckrodt Inc.	Delaware
	Mallinckrodt LLC	Delaware
	Mallinckrodt US Holdings, Inc.	Nevada
	Mallinckrodt US LLC	Delaware
	Mallinckrodt Veterinary, Inc.	Delaware
	Micro Therapeutics, Inc.	Maryland
	Maya Medical LLC	Delaware
	Mind Frame LLC	Delaware
	Nellcor Puritan Bennett LLC	Delaware
	Newport Medical Instruments, Inc.	California
	Old Colony State Insurance Company	Vermont
	Oridion Capnography, Inc.	California
	PTB International LLC	Delaware
	Plastics Holding Corporation	Nevada
	Polyken Technologies Europe, Inc.	Delaware
	Sherwood Medical Company I	Delaware
	Sherwood-Accurate Inc.	Delaware
	Somanetics Corporation	Delaware
	THC Pool LLC	Nevada
	TKBI LLC	California
	superDimension Inc.	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 International, Inc.	Delaware
	ev3, Inc.	Delaware
Uruguay	KMS Montevideo, Uruguay, S.A.
Venezuela	Kendall de Venezuela, C.A.