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SEC FORM 4 SEC Form 4
FORM 4 UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940 		 
OMB APPROVAL
OMB Number: 3235-0287
Estimated average burden
hours per response: 0.5
X
 Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).
1. Name and Address of Reporting Person*
MILLENCO, L.L.C.
(Last) (First) (Middle)
C/O MILLENNIUM MANAGEMENT, L.L.C.
666 FIFTH AVENUE, 8TH FLOOR
(Street)
NEW YORK NY 10103
(City) (State) (Zip)
2. Issuer Name and Ticker or Trading Symbol
HEALTHCARE ACQUISITION CORP [ HAQ ] 		5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
Director X 10% Owner
Officer (give title below) Other (specify below)
3. Date of Earliest Transaction (Month/Day/Year)
08/03/2007
4. If Amendment, Date of Original Filed (Month/Day/Year)
 6. Individual or Joint/Group Filing (Check Applicable Line)
Form filed by One Reporting Person
X Form filed by More than One Reporting Person
Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3) 2. Transaction Date (Month/Day/Year) 2A. Deemed Execution Date, if any (Month/Day/Year) 3. Transaction Code (Instr. 8) 4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5) 5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4) 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4)
Code V Amount (A) or (D) Price
Common stock, par value $0.001 ("Common Stock") 08/03/2007 S 5,900 D $6.39 1,194,100 D(1)
Common stock 08/03/2007 S 5,000 D $6.2 1,189,100 D(1)
Common stock 08/03/2007 S 9,900 D $6.28 1,179,200 D(1)
Common stock 08/03/2007 S 2,700 D $6.15 1,176,500 D(1)
Common stock 08/03/2007 S 7,500 D $6.2 1,169,000 D(1)
Common stock 08/03/2007 S 13,700 D $6.1 1,155,300 D(1)
Common stock 08/03/2007 S 70,000 D $6.05 1,085,300 D(1)
Common stock 08/03/2007 S 50,000 D $6.1 1,035,300 D(1)
Common stock 08/03/2007 S 42,000 D $6.1 993,300 D(1)
Common stock 08/03/2007 S 2,500 D $6.15 990,800 D(1)
Common stock 08/03/2007 S 6,300 D $6.18 984,500 D(1)
Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3) 2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (Month/Day/Year) 3A. Deemed Execution Date, if any (Month/Day/Year) 4. Transaction Code (Instr. 8) 5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5) 6. Date Exercisable and Expiration Date (Month/Day/Year) 7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4) 8. Price of Derivative Security (Instr. 5) 9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4) 10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 11. Nature of Indirect Beneficial Ownership (Instr. 4)
Code V (A) (D) Date Exercisable Expiration Date Title Amount or Number of Shares
1. Name and Address of Reporting Person*
MILLENCO, L.L.C.
(Last) (First) (Middle)
C/O MILLENNIUM MANAGEMENT, L.L.C.
666 FIFTH AVENUE, 8TH FLOOR
(Street)
NEW YORK NY 10103
(City) (State) (Zip)
1. Name and Address of Reporting Person*
MILLENNIUM MANAGEMENT, L.L.C.
(Last) (First) (Middle)
666 FIFTH AVE
8TH FLOOR
(Street)
NEW YORK NY 10103-0899
(City) (State) (Zip)
1. Name and Address of Reporting Person*
ENGLANDER ISRAEL A
(Last) (First) (Middle)
C/O MILLENNIUM MANAGEMENT, L.L.C.
666 FIFTH AVENUE, 8TH FLOOR
(Street)
NEW YORK NY 10103
(City) (State) (Zip)
Explanation of Responses:
1. Millennium Management, L.L.C., a Delaware limited liability company ("Millennium Management"), is the manager of Millenco, L.L.C. (Millenco), and consequently may be deemed to have shared voting control and investment discretion over securities owned by Millenco. Israel A. Englander ("Mr. Englander") is the managing member of Millennium Management. As a result, Mr. Englander may be deemed to have shared voting control and investment discretion over securities deemed to be beneficially owned by Millennium Management. The foregoing should not be construed in and of itself as an admission by Millennium Management or Mr. Englander as to beneficial ownership of the shares owned by Millenco. Each of the Reporting Persons disclaims beneficial ownership of the shares of Common Stock to the extent such beneficial ownership exceeds such Reporting Person's pecuniary interest.
MILLENCO, L.L.C., By: /s/ Mark Meskin, Chief Executive Officer 08/06/2007
** Signature of Reporting Person Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.
                        Joint Filer Information

NAME: Millennium Management, L.L.C.

ADDRESS:  666 Fifth Avenue, 8th Floor

DESIGNATED FILER: Millenco, L.L.C.

ISSUER AND TICKER SYMBOL: Healthcare Acquisition Corp. (HAQ)

DATE OF EVENT REQUIRING STATEMENT: August 3, 2007

SIGNATURE:

By:  /s/ David Nolan
     --------------------------
     Name:  David Nolan
     Title: Co-President













                                                         Joint Filer Information

NAME: Israel A. Englander

ADDRESS:  c/o Millennium Management, L.L.C.
            666 Fifth Avenue, 8th Floor
            New York, NY 10103

DESIGNATED FILER: Millenco, L.L.C.

ISSUER AND TICKER SYMBOL: Healthcare Acquisition Corp. (HAQ)

DATE OF EVENT REQUIRING STATEMENT: August 3, 2007

SIGNATURE:

Israel A. Englander
by David Nolan pursuant to Power of Attorney filed with the SEC on June 6, 2005

/s/ David Nolan
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