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                                                                     EXHIBIT 4.1

                           CERTIFICATE OF AMENDMENT TO
                AMENDED AND RESTATED CERTIFICATE OF INCORPORATION
                                       OF
                                 CRDENTIA CORP.

         Crdentia Corp., a corporation organized and existing under and by
virtue of the General Corporation Law of the State of Delaware (the
"Corporation"), does hereby certify:

         FIRST: The name under which the Corporation was originally incorporated
         was Digivision International, Ltd.

         SECOND: The date on which the Certificate of Incorporation of the
         Corporation was originally filed with the Secretary of State of the
         State of Delaware is November 10, 1997.

         THIRD: The Board of Directors of the Corporation, acting in accordance
         with the provisions of Section 141 and 142 of the General Corporation
         Law of the State of Delaware adopted resolutions to amend paragraph (A)
         of ARTICLE IV of the Amended and Restated Certificate of Incorporation
         of the Corporation to read in its entirety as follows:

                  "(A) CLASSES OF STOCK. This corporation is authorized to issue
                  two classes, denominated Common Stock and Preferred Stock. The
                  Common Stock shall have a par value of $0.0001 per share and
                  the Preferred Stock shall have a par value of $0.0001 per
                  share. The total number of shares of Common Stock which this
                  corporation is authorized to issue is fifty million
                  (50,000,000), and the total number of shares of Preferred
                  Stock which this corporation is authorized to issue is ten
                  million (10,000,000). Effective as of 5:00 p.m., Eastern Time,
                  on the date this Certificate of Amendment of Amended and
                  Restated Certificate of Incorporation is filed with the
                  Secretary of State of the State of Delaware, each three (3)
                  shares of this corporation's Common Stock, par value $0.0001
                  per share, issued and outstanding shall, automatically and
                  without any action on the part of the respective holders
                  thereof, be combined and converted into one (1) share of
                  Common Stock, par value $0.0001 per share, of this
                  corporation. No fractional shares shall be issued and, in lieu
                  thereof, any holder of less than one share of Common Stock
                  shall be entitled to receive cash for such holder's fractional
                  share based upon the fair market value of the Common Stock as
                  of the date this Certificate of Amendment is filed with the
                  Secretary of State of the State of Delaware as determined by
                  this corporation's Board of Directors."

         FOURTH: This Certificate of Amendment to Amended and Restated
         Certificate of Incorporation was submitted to the stockholders of the
         Corporation and was duly approved by the required vote of the
         stockholders of the Corporation in accordance with Sections 222 and 242
         of the Delaware General Corporation Law.

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         IN WITNESS WHEREOF, Crdentia Corp. has caused this Certificate of
Amendment to be signed by its Chief Executive Officer as of June 14, 2004.

                                                  By:/S/ JAMES D. DURHAM
                                                     ---------------------------
                                                      James D. Durham,
                                                      Chief Executive Officer<PAGE>

                                                                     EXHIBIT 4.2

                                STATE OF DELAWARE
                            CERTIFICATE OF CORRECTION

                  Crdentia Corp., a corporation organized and existing under and
                  by virtue of the General Corporation Law of the State of
                  Delaware.

                  DOES HEREBY CERTIFY:

                  1. The name of the corporation is Crdentia Corp.
                  2. That a Certificate of Amendment to Amended and Restated
                  Certificate of Incorporation of the corporation was filed by
                  the Secretary of State of Delaware on June 14, 2004 and that
                  said Certificate requires correction as permitted by Section
                  103 of the General Corporation Law of the State of Delaware.
                  3. The inaccuracy or defect of said Certificate to be
                  corrected is as follows:

                  The combination of the outstanding shares of the Common Stock
                  effected by said Certificate should be effective as of 5:00
                  p.m., Eastern Time, on June 28, 2004, not as of 5:00 p.m.
                  Eastern Time on the date the Certificate is filed with the
                  Secretary of State of the State of Delaware.

                  4. Article IV Paragraph (A) of the Certificate is corrected to
                  read as follows:

                  "(A) CLASSES OF STOCK. This corporation is authorized to issue
                  two classes, denominated Common Stock and Preferred Stock. The
                  Common Stock shall have a par value of $0.0001 per share and
                  the Preferred Stock shall have a par value of $0.0001 per
                  share. The total number of shares of Common Stock which this
                  corporation is authorized to issue is fifty million
                  (50,000,000), and the total number of shares of Preferred
                  Stock which this corporation is authorized to issue is ten
                  million (10,000,000). Effective as of 5:00 p.m., Eastern Time,
                  on June 28, 2004 each three (3) shares of this corporation's
                  Common Stock, par value $0.0001 per share, issued and
                  outstanding shall, automatically and without any action on the
                  part of the respective holders thereof, be combined and
                  converted into one (1) share of Common Stock, par value
                  $0.0001 per share, of this corporation. No fractional shares
                  shall be issued and, in lieu thereof, any holder of less than
                  one share of Common Stock shall be entitled to receive cash
                  for such holder's fractional share based upon the fair market
                  value of the Common Stock as of the date this Certificate of
                  Amendment is filed with the Secretary of State of the State of
                  Delaware as determined by this corporation's Board of
                  Directors."

                  IN WITNESS WHEREOF, Crdentia Corp. has caused this certificate
                  to be signed by its Chief Executive Officer as of June 16,
                  2004.

                                               By: /S/ JAMES D. DURHAM
                                                   -----------------------------
                                                       James D. Durham,
                                                       Chief Executive Officer<PAGE>

                                                                     EXHIBIT 4.3

                                STATE OF DELAWARE
                            CERTIFICATE OF CORRECTION

                  Crdentia Corp., a corporation organized and existing under and
                  by virtue of the General Corporation Law of the State of
                  Delaware.

                  DOES HEREBY CERTIFY:

                  1. The name of the corporation is Crdentia Corp.
                  2. That a Certificate of Amendment to Amended and Restated
                  Certificate of Incorporation of the corporation was filed by
                  the Secretary of State of Delaware on June 14, 2004 and that
                  said Certificate requires correction as permitted by Section
                  103 of the General Corporation Law of the State of Delaware.
                  3. The inaccuracy or defect of said Certificate to be
                  corrected is as follows:

                  In lieu of fractional shares, any holder of less than one
                  share of Common Stock shall be entitled to receive cash for
                  such holder's fractional share based upon the market price of
                  the Common Stock as of June 28, 2004, not as of the date the
                  Certificate of Amendment was filed with the Delaware Secretary
                  of State.

                  4. Article IV Paragraph (A) of the Certificate is corrected to
                  read as follows:

                  "(A) CLASSES OF STOCK. This corporation is authorized to issue
                  two classes, denominated Common Stock and Preferred Stock. The
                  Common Stock shall have a par value of $0.0001 per share and
                  the Preferred Stock shall have a par value of $0.0001 per
                  share. The total number of shares of Common Stock which this
                  corporation is authorized to issue is fifty million
                  (50,000,000), and the total number of shares of Preferred
                  Stock which this corporation is authorized to issue is ten
                  million (10,000,000). Effective as of 5:00 p.m., Eastern Time,
                  on June 28, 2004 (the "Effective Time") each three (3) shares
                  of this corporation's Common Stock, par value $0.0001 per
                  share, issued and outstanding shall, automatically and without
                  any action on the part of the respective holders thereof, be
                  combined and converted into one (1) share of Common Stock, par
                  value $0.0001 per share, of this corporation. No fractional
                  shares shall be issued and, in lieu thereof, any holder of
                  less than one share of Common Stock shall be entitled to
                  receive cash for such holder's fractional share based upon the
                  market price (as adjusted for the combination effected hereby)
                  of the Common Stock as of the Effective Time."

                  IN WITNESS WHEREOF, Crdentia Corp. has caused this certificate
                  to be signed by its Chief Executive Officer as of June 24,
                  2004.

                                             By: /S/ JAMES D. DURHAM
                                                 ----------------------------
                                                      James D. Durham,
                                                      Chief Executive Officer

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