SEC Form 3

FORM 3

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934 or Section 30(h) of the Investment Company Act of 1940

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1. Name and Address of Reporting Person* CAVANAUGH JAMES H (Last) (First) (Middle) C/O HEALTHCARE VENTURES LLC 44 NASSAU STREET (Street) PRINCETON NJ 08542 (City) (State) (Zip)	2. Date of Event Requiring Statement (Month/Day/Year) 08/06/2007	3. Issuer Name and Ticker or Trading Symbol HEALTHCARE ACQUISITION CORP [ HAQ ]
		4. Relationship of Reporting Person(s) to Issuer (Check all applicable) X Director X 10% Owner Officer (give title below) Other (specify below)	5. If Amendment, Date of Original Filed (Month/Day/Year)
			6. Individual or Joint/Group Filing (Check Applicable Line) X Form filed by One Reporting Person Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Beneficially Owned
1. Title of Security (Instr. 4)	2. Amount of Securities Beneficially Owned (Instr. 4)	3. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	4. Nature of Indirect Beneficial Ownership (Instr. 5)
Common Stock, $0.0001 par value per share	3,297,174	I(1)	By Partnership(1)

Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 4)	2. Date Exercisable and Expiration Date (Month/Day/Year)		3. Title and Amount of Securities Underlying Derivative Security (Instr. 4)		4. Conversion or Exercise Price of Derivative Security	5. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	6. Nature of Indirect Beneficial Ownership (Instr. 5)
	Date Exercisable	Expiration Date	Title	Amount or Number of Shares
Unsecured Convertible Note	(2)	08/03/2009	Common Stock	181,252	10	I(1)	By Partnership
Stock Option (Right to Buy)	(2)	09/11/2013	Common Stock	1,493	3.28	D
Stock Option (Right to Buy)	(2)	01/18/2011	Common Stock	996	3.28	D

Explanation of Responses:

1. These securities are owned by HealthCare Ventures VII, L.P. ("HCVVII"). These securities are indirectly owned by HealthCare Partners VII, L.P. ("HCPVII"), the General Partner of HCVVII and James Cavanaugh, a general partner of HCPVII. Dr. Cavanaugh disclaims beneficial ownership of those securities in which he does not have a pecuniary interest and this report shall not be deemed an admission that he is the beneficial owner of these securities for purposes of Section 16.

2. Immediately exercisable.

Remarks:

	S/Jeffrey Steinberg, Attorney-in-Fact for James H. Cavanaugh	08/07/2007
	** 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 5 (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).
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POWER OF ATTORNEY

KNOW ALL MEN BY THESE PRESENTS, that each person whose signature
appears below hereby constitutes and appoints Jeffrey B. Steinberg
his true and lawful attorney-in-fact, with full power of substitution,
to sign any and all instruments, certificates and documents that may
be necessary, desirable or appropriate to be executed on behalf of
himself as an individual or in his capacity as a general partner of
any partnership, pursuant to section 13 and 16 of the Securities
Exchange Act of 1934, as amended (the "Exchange Act"), and any and
all regulations promulgated thereunder, and Rules 144, 144A and 145
under the Securities Act of 1933, as amended (the "Securities Act"),
and to file the same, with all exhibits thereto, and any other
documents in connection therewith, with the Securities and Exchange
Commission, and with any other entity when and if such is mandated
by the Exchange Act, by the Securities Act or by the By-laws of the
National Association of Securities Dealers, Inc., granting unto
said attorney-in-fact full power and authority to do and perform
each and every act and thing necessary, desirable or appropriate,
fully to all intents and purposes as he might or could do in person,
thereby ratifying and confirming all that said attorney-in-fact, or
his substitutes may lawfully do or cause to be done by virtue hereof.

IN WITNESS WHEREOF, this Power of Attorney has been signed as of the
20th day of December, 1996.

Signature:  /s/ James H. Cavanaugh

Print Name: 	James H. Cavanaugh

Signature:  /s/ John Littlechild

Print Name:	John Littlechild

Signature:  /s/ Harold Werner

Print Name:	Harold Werner