UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
WASHINGTON, D.C. 20549

SCHEDULE 13G

UNDER THE SECURITIES EXCHANGE ACT OF 1934

(AMENDMENT NO. ___3_____)*

I-Flow Corp
(Name of Issuer)

Common Stock
(Title of Class of Securities)

449520303
(CUSIP Number)

*The remainder of this cover page shall be filled out for a reporting person's initial filing on this form with respect to the subject class of securities, and for any subsequent amendment containing information which would alter the disclosures provided in a prior cover page.

The information required in the remainder of this cover page shall not be deemed to be "filed" for the purpose of Section 18 of the Securities Exchange Act of 1934 ("Act") or otherwise subject to the liabilities of that section of the Act but shall be subject to all other provisions of the Act (however, see the Notes).

Cusip No. 449520303
13G
1. NAME OF REPORTING PERSON S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON 

 State of Wisconsin Investment Board
 39-6006423
____________________________________________________________________________
2. CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP *
 (a)____
 Not Applicable (b)____
____________________________________________________________________________

3. SEC USE ONLY

4. CITZENSHIP OR PLACE OF ORGANIZATION
Madison, Wisconsin 
NUMBERS OF 5. SOLE VOTING POWER
SHARES 0
BENEFICIALLY __________________________________________________________
OWNED BY 6. SHARED VOTING POWER
EACH Not Applicable
REPORTING __________________________________________________________
PERSON 7. SOLE DISPOSITIVE POWER
WITH 0
 __________________________________________________________
 8. SHARED DISPOSITIVE POWER
 Not Applicable
____________________________________________________________________________

9. AGGREGATE AMOUNT BENEFICALLY OWNED BY EACH REPORTING PERSON 0
10. CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN
SHARES * Not Applicable
11. PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9 0.00%
12. TYPE OF REPORTING PERSON * EP (Public Pension Fund)

* SEE INSTRUCTIONS BEFORE FILLING OUT!

ITEM 1. ISSUER
(a) I-Flow Corp
(b) 20202 Windrow Drive
Lake Forest, CA 92630

ITEM 2. PERSON FILING
(a) State of Wisconsin Investment Board (b) P.O. Box 7842 Madison, WI 53707
(c) Wisconsin State Agency
(d) See cover page
(e) See cover page

ITEM 3. THIS STATEMENT IS FILED PURSUANT TO 13d-1(b) or 13d-2(b) AND THE
STATE OF WISCONSIN INVESTMENT BOARD IS A GOVERNMENT AGENCY WHICH MANAGES PUBLIC PENSION FUNDS SUBJECT TO PROVISIONS COMPARABLE TO ERISA.

ITEM 4. OWNERSHIP
(a) See Row 9 on Page 2
(b) See Row 11 on Page 2
(c) The State of Wisconsin Investment Board retains sole voting and dispositive power for all shares.

ITEM 5. IF THIS STATEMENT IS BEING FILED TO REPORT THE FACT THAT AS OF THE
DATE HEREOF THE REPORTING PERSON HAS CEASED TO BE THE BENEFICIAL OWNER OF MORE THAN FIVE PERCENT OF THE CLASS OF SECURITIES, CHECK THE FOLLOWING __X__.

ITEM 6. NOT APPLICABLE

ITEM 7. NOT APPLICABLE

ITEM 8. NOT APPLICABLE

ITEM 9. NOT APPLICABLE

ITEM 10. CERTIFICATION

By signing below I certify that, to the best of my knowledge and belief, the securities referred to above were acquired in the ordinary course of business and were not acquired for the purpose of and do not have the effect of changing or influencing the control of the issuer of such securities and were not acquired in connection with or as a participant in any transaction having such purpose or effect.

SIGNATURE

After reasonable inquiry to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct.

November 9, 2009
Date 

/s/ David Villa
- - - - - - - - -
 Signature

David Villa, Chief Investment Officer - Investment Groups

Name/Title
I-Flow (MM) (NASDAQ:IFLO)
Graphique Historique de l'Action
De Mai 2024 à Juin 2024 Plus de graphiques de la Bourse I-Flow (MM)
I-Flow (MM) (NASDAQ:IFLO)
Graphique Historique de l'Action
De Juin 2023 à Juin 2024 Plus de graphiques de la Bourse I-Flow (MM)