EXHIBIT 12.1

ST. JUDE MEDICAL, INC.
COMPUTATION OF RATIO OF EARNINGS TO FIXED CHARGES
(Dollar amounts in thousands)

											Nine Months Ended
			Fiscal Year Ended December 31,								September 30,
	2004		2003		2002		2001		2000		2005		2004
EARNINGS
Earnings from continuing operations
before income taxes	$	537,192	$	455,107	$	373,358	$	227,978	$	177,309	$	563,677	$	383,596
Plus fixed charges
Interest expense		4,810		3,746		1,754		12,567		28,569		5,384		3,765
Portion of rent under operating
leases representative of the
interest component		5,778		5,513		3,405		2,951		2,343		4,002		4,333
TOTAL FIXED CHARGES		10,588		9,259		5,159		15,518		30,912		9,386		8,098
TOTAL EARNINGS AVAILABLE
FOR FIXED CHARGES	$	547,780	$	464,366	$	378,517	$	243,496	$	208,221	$	573,063	$	391,694
RATIO OF EARNINGS
TO FIXED CHARGES		51.7		50.2		73.4		15.7		6.7		61.1		48.4