FORM 4 Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940

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1. Name and Address of Reporting Person * MARXE AUSTIN W & GREENHOUSE DAVID M   2. Issuer Name and Ticker or Trading Symbol CAPRIUS INC [CAPS] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director __X__ 10% Owner _____ Officer (give title below) _____ Other (specify below) (Last) (First) (Middle) C/O SPECIAL SITUATIONS FUNDS, 527 MADISON AVENUE, SUITE 2600 3. Date of Earliest Transaction (Month/Day/Year) 12/31/2005 (Street) NEW YORK, NY 10022 4. If Amendment, Date Original Filed(Month/Day/Year) 01/04/2006 6. Individual or Joint/Group Filing(Check Applicable Line) _X_ Form filed by One Reporting Person ___ Form filed by More than One Reporting Person (City) (State) (Zip) 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 12/31/2005   J(1)   317,037 (1) A $ 0 (1) 1,351,519 (1) I (1) By Limited Partnerships (1)

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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 Underlying Securities (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 of Derivative Security: 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

Warrants A

$ 0.28

12/31/2005

J(1)

1,902,225 (1)

05/16/2005

02/15/2010

Common Stock

95,111

$ 0 (1)

8,109,121 (1)

I (1)

By Limited Partnerships (1)

Warrants B

$ 0.145

12/31/2005

J(1)

634,075 (1)

11/15/2005

02/15/2010

Common Stock

31,704

$ 0 (1)

2,703,040 (1)

I (1)

By Limited Partnerships (1)

Reporting Owners

Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
MARXE AUSTIN W & GREENHOUSE DAVID M C/O SPECIAL SITUATIONS FUNDS 527 MADISON AVENUE, SUITE 2600 NEW YORK, NY 10022		X

Signatures

Austin W. Marxe		01/19/2006
**Signature of Reporting Person		Date
David M. Greenhouse		01/19/2006
**Signature of Reporting Person		Date

Explanation of Responses:

*	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).
(1)	This is a joint filing by Austin W. Marxe (Marxe) & David M. Greenhouse (Greenhouse). They share voting and investment control over all securities owned by Special Situations Fund III QP, L.P. (QP) & Special Situations Private Equity Fund, L.P. (PE), respectively. 317,037 shares of Com Stk, 1,902,225 Wts A cvt into 95,111 shares of Com Stk & 634,076 Wts B, cvt into 31,704 shares of Com Stk are held by QP & 1,034,482 shares of Com Stk, 6,206,896 Wts A, cvt into 310,345 shares of Com Stk and 2,068,965 Wts B, cvt into 103,448 shares of Com Stk are held by PE. Pursuant to that certain Exchange Tender Offer described in the Schedule TO-I of Special Situations Fund III, L.P. (SSFIII), as filed by SSFIII with the Securities and Exchange Commission on November 17, 2005, SSF III transferred the securities included in this Form 4 to QP on December 31, 2005. The interest of Marxe & Greenhouse in the shares of Common Stock owned by QP & PE is limited to the extent of his pecuniary interest.

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