Exhibit 3.44

State of Delaware Secretary of State Division of Corporations Delivered 01:29 PM 07/27/2006 FILED 01:30 PM 07/27/2006 SRV 060708227—3818261 FILE |  |  |  |  |  |

AMENDED AND RESTATED

CERTIFICATE OF INCORPORATION

OF

SUROS SURGICAL SYSTEMS, INC.

The following Amended and Restated Certificate of Incorporation of Suros Surgical Systems, Inc. (the “Corporation”) (i) amends and restates the provisions of the Certificate of Incorporation of the Corporation originally filed with the Secretary of State of the State of Delaware on June 18, 2004, as amended to date and (ii) supersedes the original Certificate of Incorporation and all prior amendments and restatements thereto in their entirety pursuant to Sections 242 and 245 of the General Corporation Law of the State of Delaware.

FIRST: The name of the corporation (hereinafter called the “Corporation”) is Suros Surgical Systems, Inc.

SECOND: The address, including street, number, city, and county, of the registered office of the Corporation in the State of Delaware is 2711 Centerville Road, Suite 400, Wilmington, New Castle County, Delaware 19808; and the name of the registered agent of the Corporation in the State of Delaware at such address is Corporation Service Company.

THIRD: The nature of the business and the purposes to be conducted and promoted by the Corporation, shall be any lawful business, to promote any lawful purpose, and to engage in any lawful act or activity for which corporations may be organized under the General Corporation Law of the State of Delaware.

FOURTH: The total number of shares of stock which the Corporation shall have authority to issue is 2,000 shares of Common Stock, $.01 par value per share.

FIFTH: The Corporation shall have perpetual existence.

SIXTH: For the management of the business and for the conduct of the affairs of the Corporation, and in further definition, limitation and regulation of the powers of the Corporation and of its directors and of its stockholders or any class thereof, as the case may be, it is further provided that:

1. The business of the Corporation shall be conducted by the officers of the Corporation under the supervision of the Board of Directors.

2. The number of directors which shall constitute the whole Board of Directors shall be fixed by, or in the manner provided in, the Bylaws. No election of Directors need be by written ballot.

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3. The Board of Directors of the Corporation may adopt, amend or repeal the Bylaws of the Corporation at any time after the original adoption of the Bylaws according to Section 109 of the General Corporation Law of the State of Delaware; provided, however, that any amendment to provide for the classification of directors of the Corporation for staggered terms pursuant to the provisions of subsection (d) of Section 141 of the General Corporation Law of the State of Delaware shall be set forth in an amendment to this Certificate of Incorporation, in an initial By-Law, or in a By-Law adopted by the stockholders of the Corporation entitled to vote.

SEVENTH: The Corporation may, to the fullest extent permitted by Section 145 of the General Corporation Law of the State of Delaware, as the same may be amended and supplemented, indemnify any and all persons whom it shall have power to indemnify under said section from and against any and all of the expenses, liabilities or other matters referred to in or covered by said section, and the indemnification provided for herein shall not be deemed exclusive of any other rights to which a person indemnified may be entitled under any By-Law, agreement, vote of stockholders or disinterested directors or otherwise, both as to action in his official capacity and as to action in another capacity while holding such office, and shall continue as to a person who has ceased to be director, officer, employee or agent and shall inure to the benefit of the heirs, executors and administrators of such a person.

EIGHTH: From time to time any of the provisions of this Certificate of Incorporation may be amended, altered or repealed, and other provisions authorized by the laws of the State of Delaware at the time in force may be added or inserted in the manner and at the time prescribed by said laws, and all rights at any time conferred upon the stockholders of the Corporation by this Certificate of Incorporation are granted subject to the provisions of this Article EIGHTH.

NINTH: No director shall be personally liable to the Corporation or its stockholders for monetary damages for any breach of fiduciary duty by such director as a director. Notwithstanding the foregoing sentence, a director shall be liable to the extent provided by applicable law (i) for breach of the director’s duty of loyalty to the Corporation or its stockholders, (ii) for acts or omissions not in good faith or which involve intentional misconduct or a knowing violation of law, (iii) pursuant to Section 174 of the Delaware General Corporation Law or (iv) for any transaction from which the director derived an improper personal benefit. No amendment to or repeal of this Article shall apply to or have any effect on the liability or alleged liability of any director of the Corporation for or with respect to any acts or omissions of such Director occurring prior to such amendment.

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IN WITNESS WHEREOF, the undersigned has hereunto signed his name and affirms that the statements made in this Amended and Restated Certificate of Incorporation are true under the penalties of perjury as of this 27th day of July, 2006.

SUROS SURGICAL SYSTEMS, INC.
By: |  | /s/ Richard M. Rella
|  | Chief Financial Officer

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