Document:

EXHIBIT 4.1

THIS WARRANT AND THE SHARES ISSUABLE HEREUNDER HAVE NOT BEEN REGISTERED UNDER
THE SECURITIES ACT OF 1933, AS AMENDED, AND MAY NOT BE SOLD, PLEDGED, OR
OTHERWISE TRANSFERRED WITHOUT AN EFFECTIVE REGISTRATION THEREOF UNDER SUCH ACT
OR PURSUANT TO RULE 144 OR AN OPINION OF COUNSEL REASONABLY SATISFACTORY TO THE
CORPORATION AND ITS COUNSEL, THAT SUCH REGISTRATION IS NOT REQUIRED.

                            WARRANT TO PURCHASE STOCK

             Corporation: ORTHOMETRIX, INC., a Delaware corporation
                              Number of Shares: XXX
                               Class of Stock: XXX
                               Exercise Price: XXX
                                 Issue Date: XXX
                              Expiration Date: XXX

THIS WARRANT CERTIFIES THAT, for the agreed upon value of $1.00 and for other
good and valuable consideration, XXX ("Holder") is entitled to purchase the
number of fully paid and nonassessable shares of the class of securities (the
"Shares") of ORTHOMETRIX, INC. (the "Company") at the exercise price per Share
(the "Warrant Price") all as set forth above and as adjusted pursuant to Article
2 of this Warrant, subject to the provisions and upon the terms and conditions
set forth in this Warrant.

ARTICLE 1.  EXERCISE.

     1.1    Method of Exercise. Holder may exercise this Warrant by delivering a
duly executed Notice of Exercise in substantially the form attached as Appendix
I to the principal office of the Company. Holder shall also deliver to the
Company a check for the aggregate Warrant Price for the Shares being purchased.

     1.2    Delivery of Certificate and New Warrant. Promptly after Holder
exercises or converts this Warrant, the Company shall deliver to Holder
certificates for the Shares acquired and, if this Warrant has not been fully
exercised or converted and has not expired, a new Warrant representing the
Shares not so acquired.

     1.3    Replacement of Warrants. On receipt of evidence reasonably
satisfactory to the Company of the loss, theft, destruction or mutilation of
this Warrant and, in the case of loss, theft or destruction, on delivery of an
indemnity agreement reasonably satisfactory in form and amount to the Company
or, in the case of mutilation, on surrender and cancellation of this Warrant,
the Company at its expense shall execute and deliver, in lieu of this Warrant, a
new warrant of like tenor.

                                       1

     1.4    Assumption on Sale, Merger, or Consolidation of the Company.

     1.4.1. "Acquisition". For the purpose of this Warrant, "Acquisition" means
any sale, license, or other disposition of all or substantially all of the
assets of the Company, or any reorganization, consolidation, or merger of the
Company where the holders of the Company's securities before the transaction
beneficially own less than 50% of the outstanding voting securities of the
surviving entity after the transaction.

     1.4.2. Assumption of Warrant. Upon the closing of any Acquisition the
successor entity shall assume the obligations of this Warrant, and this Warrant
shall be exercisable for the same securities, cash, and property as would be
payable for the Shares issuable upon exercise of the unexercised portion of this
Warrant as if such Shares were outstanding on the record date before the
Acquisition and subsequent closing. The Warrant Price shall be adjusted
accordingly.

     1.4.3. Purchase Right. Notwithstanding the foregoing, at the election of
Holder, the Company shall purchase the unexercised portion of this Warrant for
cash upon the closing of any Acquisition for an amount equal to (a) the fair
market value of any consideration that would have been received by Holder in
consideration of the Shares had Holder exercised the unexercised portion of this
Warrant immediately before the record date for determining the shareholders
entitled to participate in the proceeds of the Acquisition, less (b) the
aggregate Warrant Price of the Shares, but in no event less than zero.

ARTICLE 2.  ADJUSTMIENTS TO THE SHARES.

     2.1    Stock Dividends, Splits. Etc. If the Company declares or pays a
dividend on its common stock (or the Shares if the Shares are securities other
than common stock) payable in common stock, or other securities, subdivides the
outstanding common stock into a greater amount of common stock, or, if the
Shares are securities other than common stock, subdivides the Shares in a
transaction that increases the amount of common stock into which the Shares are
convertible, then upon exercise of this Warrant, for each Share acquired, Holder
shall receive, without cost to Holder, the total number and kind of securities
to which Holder would have been entitled had Holder owned the Shares of record
as of the date the dividend or subdivision occurred.

     2.2    Reclassification. Exchange or Substitution. Upon any
reclassification, exchange, substitution, or other event that results in a
change of the number and/or class of the securities issuable upon exercise or
conversion of this Warrant, Holder shall be entitled to receive, upon exercise
or conversion of this Warrant, the number and kind of securities and property
that Holder would have received for the Shares if this Warrant had been
exercised immediately before such reclassification, exchange, substitution, or
other event. Such an event shall include any automatic conversion of the
outstanding or issuable securities of the Company of the same class or series
as the Shares to common stock pursuant to the terms of the Company's Articles of
Incorporation upon the closing of a registered public offering of the Company's
common stock.

                                       2

The Company or its successor shall promptly issue to Holder a new Warrant for
such new securities or other property. The new Warrant shall provide for
adjustments which shall be as nearly equivalent as may be practicable to the
adjustments provided for in this Article 2 including, without limitation,
adjustments to the Warrant Price and to the number of securities or property
issuable upon exercise of the new Warrant. The provisions of this Section 2.2
shall similarly apply to successive reclassifications, exchanges, substitutions,
or other events.

     2.3    Adjustments for Combinations, Etc. If the outstanding Shares are
combined or consolidated, by reclassification or otherwise, into a lesser number
of shares, the Warrant Price shall be proportionately increased.

     2.4    No Impairment. The Company shall not, by amendment of its Articles
of Incorporation or through a reorganization, transfer of assets, consolidation,
merger, dissolution, issue, or sale of securities or any other voluntary action,
avoid or seek to avoid the observance or performance of any of the terms to be
observed or performed under this Warrant by the Company, but shall at all times
in good faith assist in carrying out of all the provisions of this Article 2 and
in taking all such action as may be necessary or appropriate to protect Holder's
rights under this Article against impairment. If the Company takes any action
affecting the Shares or its common stock other than as described above that
adversely affects Holder's rights under this Warrant, the Warrant Price shall be
adjusted downward and the number of Shares issuable upon exercise of this
Warrant shall be adjusted upward in such a manner that the aggregate Warrant
Price of this Warrant is unchanged

     2.5    Fractional Shares. No fractional Shares shall be issuable upon
exercise or conversion of the Warrant and the number of Shares to be issued
shall be rounded down to the nearest whole Share. If a fractional share interest
arises upon any exercise or conversion of the Warrant, the Company shall
eliminate such fractional share interest by paying Holder amount computed by
multiplying the fractional interest by the fair market value of a full Share.

     2.6    Certificate as to Adjustments. Upon each adjustment of the Warrant
Price, the Company at its expense shall promptly compute such adjustment, and
furnish Holder with a certificate of its Chief Financial Officer setting forth
such adjustment and the facts upon which such adjustment is based. The Company
shall, upon written request, furnish Holder a certificate setting forth the
Warrant Price in effect upon the date thereof and the series of adjustments
leading to such Warrant Price.

ARTICLE 3.  REPRESENTATIONS AND COVENANTS OF THE COMPANY.

     3.1    Representations and Warranties. The Company hereby represents and
warrants to the Holder as follows:

            (a) The initial Warrant Price referenced on the first page of this
Warrant is not greater than (i) the price per share at which the Shares were
last issued in an arms-length transaction in which at least $500,000 of the
Shares were sold and (ii) the fair market value of the Shares as of the date of
this Warrant.

                                       3

            (b) All Shares which may be issued upon the exercise of the purchase
right represented by this Warrant, and all securities, if any, issuable upon
conversion of the Shares, shall, upon issuance, be duly authorized, validly
issued, fully paid and nonassessable, and free of any liens and encumbrances
except for restrictions on transfer provided for herein or under applicable
federal and state securities laws.

            (c) The Capitalization Table attached to this Warrant is true and
complete as of the Issue Date.

     3.2    Notice of Certain Events. If the Company proposes at any time (a)
to declare any dividend or distribution upon its common stock, whether in cash,
property, stock, or other securities and whether or not a regular cash dividend;
(b) to offer for subscription pro rata to the holders of any class or series of
its stock any additional shares of stock of any class or series or other rights;
(c) to effect any reclassification or recapitalization of common stock; (d) to
merge or consolidate with or into any other corporation, or sell, lease,
license, or convey all or substantially all of its assets, or to liquidate,
dissolve or wind up; or (e) offer holders of registration rights the opportunity
to participate in an underwritten public offering of the company's securities
for cash, then, in connection with each such event, the Company shall give
Holder (1) at least 20 days prior written notice of the date on which a record
will be taken for such dividend, distribution, or subscription rights (and
specifying the date on which the holders of common stock will be entitled
thereto) or for determining rights to vote, if any, in respect of the matters
refer-red to in (c) and (d) above; (2) in the case of the matters referred to in
(c) and (d) above at least 20 days prior written notice of the date when the
same will take place (and specifying the date on which the holders of common
stock will be entitled to exchange their common stock for securities or other
property deliverable upon the occurrence of such event); and (3) in the case of
the matter referred to in (e) above, the same notice as is given to the holders
of such registration rights.

     3.3    Information Rights. So long as the Holder holds this Warrant and/or
any of the Shares, the Company shall deliver to the Holder (a) promptly after
mailing, copies of all notices or other written communications to the
shareholders of the Company, (b) within ninety (90) days after the end of each
fiscal year of the Company, the annual audited financial statements of the
Company certified by independent public accountants of recognized standing and
(c) such other financial statements required under and in accordance with any
loan documents between Holder and the Company (or if there are no such
requirements [or if the subject loan(s) no longer are outstanding]), then within
forty-five (45) days after the end of each of the first three quarters of each
fiscal year, the Company's quarterly, unaudited financial statements.

     3.4    Registration Under Securities Act of 1933, as amended. The Company
agrees that the Shares or, if the Shares are convertible into common stock of
the Company, such common stock, shall be subject to the registration rights set
forth on Exhibit A.

ARTICLE 4.  MISCELLANEOUS.

                                       4

     4.1    Term, Notice of Expiration. This Warrant is exercisable, in whole
or in part, at any time and from time to time on or before the Expiration Date
set forth above. The Company shall give Holder written notice of Holder's right
to exercise this Warrant in the form attached as Appendix 2 not more than 90
days and not less than 30 days before the Expiration Date. If the notice is not
so given, the Expiration Date shall automatically be extended until 30 days
after the date the Company delivers the notice to Holder.

     4.2    Legends. This Warrant and the Shares (and the securities issuable,
directly or indirectly, upon conversion of the Shares, if any) shall be
imprinted with a legend in substantially the following form:

     THIS SECURITY HAS NOT BEEN REGISTERED UNDER THE SECURITIES ACT OF 1933, AS
     AMIENDED, AND MAY NOT BE SOLD, PLEDGED OR OTHERWISE TRANSFERRED WITHOUT AN
     EFFECTIVE REGISTRATION THEREOF UNDER SUCH ACT OR PURSUANT TO RULE 144 OR AN
     OPINION OF COUNSEL REASONABLY SATISFACTORY TO THE CORPORATION AND ITS
     COUNSEL THAT SUCH REGISTRATION IS NOT REQUIRED.

     4.3    Compliance with Securities Laws on Transfer. This Warrant and the
Shares issuable upon exercise this Warrant (and the securities issuable,
directly or indirectly, upon conversion of the Shares, if any) may not be
transferred or assigned in whole or in part without compliance with applicable
federal and state securities laws by the transferor and the transferee
(including, without limitation, the delivery of investment representation
letters and legal opinions reasonably satisfactory to the Company, as reasonably
requested by the Company). The Company shall not require Holder to provide an
opinion of counsel if the transfer is to an affiliate of Holder or if there is
no material question as to the availability of current information as referenced
in Rule 144(c), Holder represents that it has complied with Rule 144(d) and (e)
in reasonable detail, the selling broker represents that it has complied with
Rule 144(f), and the Company is provided with a copy of Holder s notice of
proposed sale.

     4.4    Transfer Procedure. Subject to the provisions of Section 4.3,
Holder may transfer all or part of this Warrant or the Shares issuable upon
exercise of this Warrant (or the securities issuable, directly or indirectly,
upon conversion of the Shares, if any) by giving the Company notice of the
portion of the Warrant being transferred setting forth the name, address and
taxpayer identification number of the transferee and surrendering the Warrant to
the Company for reissuance to the transferee(s) (and Holder, if applicable). The
terms and conditions of this Warrant shall inure to the benefit of, and be
binding upon, the Company and the holders hereof and their respective permitted
successors and assigns.

     4.5    Notices. All notices and other communications from the Company to
the Holder, or vice versa, shall be deemed delivered and effective when given
personally or mailed by first-class registered or certified mail, postage
prepaid, at such address as may have been furnished to the Company or the
Holder, as the case may be, in writing by the Company or such holder from time
to time. All notices to Holder should be sent to the following address:

                                       5

     4.6    Waiver. This Warrant and any term hereof may be changed, waived,
discharged or terminated only by an instrument in writing signed by the party
against which enforcement of such change, waiver, discharge or termination is
sought.

     4.7    Attorneys Fees. In the event of any dispute between the parties
concerning the terms and provisions of this Warrant, the party prevailing in
such dispute shall be entitled to collect from the other party all costs
incurred in such dispute, including reasonable attorneys' fees.

     4.8    Governing Law. This Warrant shall be governed by and construed in
accordance with the laws of the State of New York, without giving effect to its
principles regarding conflicts of law.

                                             ORTHOMETRIX, INC.
                                             By: _______________________
                                             Name:
                                             Title:

                                             By: _______________________

                                       6

                                                                      APPENDIX I

                               NOTICE OF EXERCISE
                               ------------------

     1. The undersigned hereby elects to purchase __________ shares of the
Common Stock of Orthometrix, Inc. pursuant to the terms of the attached Warrant,
and tenders herewith payment of the purchase price of such shares in full.

     2. Please issue a certificate or certificates representing said Shares in
the name of the undersigned or in such other name as is specified below:

                                     (Name)

                                     (Address)

     3. The undersigned represents it is acquiring the shares solely for its own
account and not as a nominee for any other party and not with a view toward the
resale or distribution thereof except in compliance with applicable securities
laws.

                                                  (Signature of Holder)

                                                  (Date)

                                       7

                                                                      APPENDIX 2

                     NOTICE THAT WARRANT IS ABOUT TO EXPIRE
                     --------------------------------------

(Name of Holder)
(Address of Holder)
Attn:

Dear ___________:

This is to advise you that the Warrant issued to you described below will expire
on.

     Issuer:

     Issue Date:

     Class of Security Issuable:

     Exercise Price per Share:

     Number of Shares Issuable:

     Procedure for Exercise:

Please contact [name of contact person at (phone number)] with any questions you
may have concerning exercise of the Warrant. This is your only notice of pending
expiration.

                                                      Orthometrix, Inc.

                                                      By: ___________________
                                                      Its:

                                       8

                                                                       EXHIBIT A

                               REGISTRATION RIGHTS
                               -------------------

     PIGGY-BACK REGISTRATION RIGHTS. If at any time the Company shall determine
to prepare and file with the SEC a Registration Statement relating to an
offering for its own account or the account of others under the 1933 Act of any
of its equity securities, other than on Form S-4 or Form S-8 or their then
equivalents relating to equity securities to be issued solely in connection with
any acquisition of any entity or business or equity securities issuable in
connection with stock option or other employee benefit plans, the Company shall
send to each holder of shares of Common Stock issued or issuable upon exercise
of this Warrant ("Registrable Securities") written notice of such determination
and, if within ten (10) days after receipt of such notice, such holder shall so
request in writing, the Company shall include in such Registration Statement all
or any part of the Registrable Securities such holder requests to be registered,
except that if, in connection with any underwritten public offering for the
account of the Company, the managing underwriter(s) thereof shall impose a
limitation on the number of Registrable Securities which may be included in the
Registration Statement because, in such underwriter(s)' judgment, such
limitation is necessary to effect an orderly public distribution, then the
Company shall be obligated to include in such Registration Statement only such
limited portion of the Registrable Securities with respect to which such holder
has requested inclusion hereunder. Any exclusion of Registrable Securities shall
be made pro rata among the holders seeking to include Registrable Securities, in
proportion to the number of Registrable Securities sought to be included by such
holders; provided, however, that the Company shall not exclude any Registrable
Securities unless the Company has first excluded all outstanding securities the
holders of which are not entitled by right to inclusion of securities in such
Registration Statement; and provided further, however, that, after giving effect
to the immediately preceding proviso, any exclusion of Registrable Securities
shall be made pro rata with holders of other securities having the right to
include such securities in the Registration Statement, based on the number of
securities for which registration is requested except to the extent such pro
rata exclusion of such other securities is prohibited under any written
agreement entered into by the Company with the holder of such other securities,
in which case such other securities shall be excluded, if at all, only in
accordance with the terms of such agreement.

     All expenses, other than underwriting discounts and commissions, other fees
and expenses of investment bankers and other than brokerage commissions, and the
fees and disbursements of counsel for the Holders, incurred in connection with
registrations, filings or qualifications pursuant hereto, including, without
limitation, all registration, listing and qualifications fees, printers and
accounting fees and fees and disbursements of counsel for the Company, shall be
borne by the Company.

     Each holder of Registrable Securities whose Registrable Securities are
eligible for inclusion in a Registration Statement filed pursuant hereto agrees,
if requested by the managing underwriter(s) in an underwritten offering of any
Registrable Securities, not to effect any public sale or distribution of
Registrable Securities, including a sale pursuant to Rule 144 (or any similar
provision then effect) under the Securities Act (except as part of such
underwritten registration), during the seven-day period prior to, and during the
180-day period (or such shorter period as may be agreed to by the managing
underwriter(s)) following the effective date of such Registration Statement to
the extent timely notified in writing by the Company or the managing underwriter
or underwriters.

     The registration rights granted pursuant hereto shall terminate with
respect to any Registrable Securities at such time as such Registrable
Securities become eligible for sale pursuant to Rule 144(k) under the Securities
Act of 1933, as amended (the "1933 Act").

                                       9

     INDEMNIFICATION. In the event any Registrable Securities are included in a
Registration Statement pursuant hereto:

     (a) To the extent permitted by law, the Company will indemnify and hold
harmless each holder who holds such Registrable Securities, the directors, if
any, of such Purchaser, the officers, if any, of such holder, each person, if
any, who controls any Purchaser within the meaning of the 1933 Act or the
Securities Exchange Act of 1934, as amended (the "1934 Act") (each, an
"Indemnified Person"), against any losses, claims, damages, liabilities or
expenses (joint or several) incurred (collectively, "Claims") to which any of
them may become subject under the 1933 Act, the 1934 Act or otherwise, insofar
as such Claims (or actions or proceedings, whether commenced or threatened, in
respect thereof) arise out of or are based upon any of the following statements,
omissions or violations in the Registration Statement, or any post-effective
amendment thereof, or any prospectus included therein: (i) any untrue statement
or alleged untrue statement of a material fact contained in the Registration
Statement or any post-effective amendment thereof or the omission or alleged
omission to state therein a material fact required to be stated therein or
necessary to make the statements therein not misleading, (ii) any untrue
statement or alleged untrue statement of a material fact contained in any
preliminary prospectus if used prior to the effective date of such Registration
Statement, or contained in the final prospectus (as amended or supplemented, if
the Company files any amendment thereof or supplement thereto with the SEC) or
the omission or alleged omission to state therein any material fact necessary to
make the statements made therein, in light of the circumstances under which the
statements therein were made, not misleading or (iii) any violation or alleged
violation by the Company of the 1933 Act, the 1934 Act, any state securities law
or any rule or regulation under the 1933 Act, the 1934 Act or any state
securities law (the matters in the foregoing clauses (i) through (iii) being,
collectively, "Violations"). Notwithstanding anything to the contrary contained
herein, the indemnification agreement contained in this Section 6(a): (I) shall
not apply to a Claim arising out of or based upon a Violation which occurs in
reliance upon and in conformity with information furnished in writing to the
Company by any Indemnified Person expressly for use in connection with the
preparation of the Registration Statement, the prospectus or any such amendment
thereof or supplement thereto; (II) with respect to any preliminary prospectus
shall not inure to the benefit of any Indemnified Person if the untrue statement
or omission of material fact contained in the preliminary prospectus was
corrected in the prospectus, as amended or supplemented; and (III) shall not
apply to amounts paid in settlement of any Claim if such settlement is effected
without the prior written consent of the Company, which consent shall not be
unreasonably withheld.

     (b) In connection with any Registration Statement in which a holder of
Registrable Securities is participating, each such holder agrees to indemnify
and hold harmless, to the same extent and in the same manner set forth in the
preceding paragraph (a), the Company, each of its directors, each of its
officers who signs the Registration Statement, each person, if any, who controls
the Company within the meaning of the 1933 Act or the 1934 Act, any underwriter
and any other shareholder selling securities pursuant to the Registration
Statement or any of its directors or officers or any person who controls such
shareholder or underwriter within the meaning of the 1933 Act or the 1934 Act
(collectively and together with an Indemnified Person, an "Indemnified Party"),
against any Claim to which any of them may become subject, under the 1933 Act,
the 1934 Act or otherwise, insofar as such Claim arises out of or is based upon
any Violation, in each case to the extent (and only to the extent) that such
Violation occurs in reliance upon and in conformity with written information
furnished to the Company by such holder expressly for use in connection with
such Registration Statement; and such holder will reimburse any legal or other
expenses reasonably incurred by any Indemnified Party in connection with
investigating or defending any such Claim; provided, however, that the indemnity
agreement contained in this paragraph (b) shall not apply to amounts paid in
settlement of any Claim if such settlement is effected without the prior written
consent of such holder, which consent shall not be unreasonably withheld;
provided, further, however, that the holder shall be liable under this paragraph

                                       10

(b) for only that amount of a Claim as does not exceed the net proceeds to such
holder from the sale of Registrable Securities pursuant to such Registration
Statement. Notwithstanding anything to the contrary contained herein, the
indemnification agreement contained in this paragraph (b) with respect to any
preliminary prospectus shall not inure to the benefit of any Indemnified Party
if the untrue statement or omission of material fact contained in the
preliminary prospectus was corrected on a timely basis in the prospectus, as
then amended or supplemented, and such Indemnified Party failed to satisfy an
obligation to deliver such final prospectus.

     (c) Promptly after receipt by an Indemnified Person or Indemnified Party of
notice of the commencement of any action (including any governmental action),
such Indemnified Person or Indemnified Party shall, if a Claim in respect
thereof is to be made against any indemnifying party, deliver to the
indemnifying party a written notice of the commencement thereof and the
indemnifying party shall have the right to participate in, and, to the extent
the indemnifying party so desires, jointly with any other indemnifying party
similarly noticed, to assume control of the defense thereof with counsel
selected by the indemnifying party; provided, however, that an Indemnified
Person or Indemnified Party shall have the right to retain its own counsel with
the reasonable fees and expenses to be paid by the indemnifying party only if,
in the reasonable opinion of counsel retained by the indemnifying party, the
representation by such counsel of the Indemnified Person or Indemnified Party
and the indemnifying party would be inappropriate due to actual or potential
differing interests between such Indemnified Person or Indemnified Party and any
other party represented by such counsel in such proceeding. In such event, the
Company shall pay for only one separate legal counsel for Indemnified Persons
and Indemnified Parties; such legal counsel shall be selected by those holding a
majority in interest of the Registrable Securities included in the Registration
Statement to which the Claim relates. The failure to deliver written notice to
the indemnifying party within a reasonable time of the commencement of any such
action shall not relieve such indemnifying party of any liability to the
Indemnified Person or Indemnified Party pursuant hereto, except to the extent
that the indemnifying party is prejudiced in its ability to defend such action.
The indemnification required pursuant hereto shall be made by periodic payments
of the amount thereof during the course of the investigation or defense, as such
expense, loss, damage or liability is incurred and is due and payable.

         (d) To the extent any indemnification by an indemnifying party is
prohibited or limited by law, the indemnifying party agrees to make the maximum
contribution with respect to any amounts for which it would otherwise be liable
pursuant hereto to the fullest extent permitted by law; provided, however, that
(a) no contribution shall be made under circumstances where the maker would not
have been liable for indemnification under the fault standards set forth above,
(b) no seller of Registrable Securities guilty of fraudulent misrepresentation
(within the meaning of Section 11(f) of the 1933 Act) shall be entitled to
contribution from any seller of Registrable Securities who was not guilty of
such fraudulent misrepresentation and (c) contribution by any seller of
Registrable Securities shall be limited in amount to the amount of the net
amount of proceeds received by such seller from the sale of such Registrable
Securities.

                                       113

                                                                    EXHIBIT 10.7

                   THIS NOTE HAS BEEN ACQUIRED FOR INVESTMENT
                      AND HAS NOT BEEN REGISTERED UNDER THE
                    SECURITIES ACT OF 1933 OR THE SECURITIES
                     LAWS OF ANY STATE. THIS NOTE MAY NOT BE
                   SOLD OR TRANSFERRED IN THE ABSENCE OF SUCH
                      REGISTRATION OR AN OPINION OF COUNSEL
                      SATISFACTORY TO THE ISSUER THAT SUCH
                    REGISTRATION IS NOT REQUIRED BY SAID ACT
                                 OR STATE LAWS,

                                ORTHOMETRIX, INC.

$50,000.00                                                White Plains, New York
                                                                 October 4, 2005

     ORTHOMETRIX, INC., a Delaware corporation (the "Company"), for value
received, promises to pay to MICHAEL W. HUBER (the "Payee"), the principal sum
of Fifty Thousand U.S. Dollars ($50,000) on October 4, 2006 (the "Maturity
Date"), except as otherwise provided herein, together with interest on the
outstanding principal amount of this Note at the rate of prime (as published
from time to time by JP Morgan Chase) plus one per annum, except as otherwise
provided herein. Interest shall be payable quarterly on the last business day of
each March, June, September and December, commencing December 31, 2005.

     1.  Payments and Prepayments.
         ------------------------

     1.1 Payments and prepayments of principal and interest on this Note shall
be made to Payee at 179 Avenue at the Common, Suite 2, Shrewsbury, NJ 07702, or
by wire to Payee's account at the First Union National Bank, 303 Broad Street,
Red Bank, NJ 07701, ABA # 021200025, Acct. # 8881807686. Notice of a wire
transfer shall be given by the Company to the Payee at the Shrewsbury address.

     1.2 Payments and prepayments of principal and interest on this Note shall
be made in lawful money of the United States of America.

     1.3 If any payment on this Note becomes due and payable on a Saturday,
Sunday or other day an which commercial banks in New York City are authorized or
required by law to close, the maturity thereof shall be extended to the next
succeeding business day, and, with respect to payments of principal, interest
thereon shall be payable during such extension at the then applicable rate.

                                       1

     1.4 The Company shall be obligated to prepay the outstanding principal
amount of this Note within ten (10) days after such time as (i) the Company
receives net proceeds of at least $5,000,000 from an equity financing, or (ii)
the Company sells substantially all its assets. The Company shall have the right
at any time and from time to time to prepay this Note in whole or in part,
together with interest on the amount prepaid to the date of prepayment, without
penalty or premium. Upon payment of part of the principal amount of this Note,
the Company may require the holder to present this Note for notation of such
payment and, if this Note is paid in full, require the holder to surrender this
Note.

     1.5 Upon payrnent in full of all outstanding principal and interest due
under this Note, the Company's obligations in respect of payment of this Note
shall terminate and the holder shall return it to the Company.

     2.  Events of Default. In the event that:
         -----------------
         (a) the Company defaults for more than five business days in making any
         payment required to be made on this Note; or

         (b) the Company hereafter makes an assignment for the benefit of
         creditors, or files a petition in bankruptcy as to itself, is
         adjudicated insolvent or bankrupt, petitions or applies to any tribunal
         for the appointment of any receiver of or any trustee for the Company
         or any substantial part of its property under any bankruptcy,
         reorganization, arrangement, readjustment of debt, dissolution or
         liquidation law or statute of any jurisdiction, whether now or
         hereafter in effect; or if there is hereafter commenced against the
         Company any such proceeding and an order approving the petition is
         entered or such proceeding remains undismissed for a period of 60 day,
         or the Company or its general partner by any act or omission to act
         indicates its consent to or approval of or acquiescence in any such
         proceeding or the appointment of any receiver of, or trustee for, the
         Company or any substantial part of its property, or suffers any such
         receivership or trusteeship to continue undischarged for a period of 60
         days;

then, and in any such event, and at any time thereafter, if such event shall
then be continuing, the holder of this Note may, by written notice to the
Company, declare the Note due and payable, whereupon the same shall be due and
payable without presentment, demand, protest or other notice of any kind, all of
which are hereby expressly waived.

     3. Investment Representation.
        -------------------------

     3.1 The Payee hereby acknowledges that the Note is not being registered (i)
under the Securities Act of 1933, as amended (the "Act"), on the ground that the
issuance of the Note is exempt from registration under Section 4(2) of the Act
as not involving any public

                                       2

offering or (ii) under any applicable state securities law because the issuance
of the Note does not involve any public offering; and that the Company's
reliance on the Section 4(2) exemption of the Act and under applicable state
securities laws is predicated in part on the representations hereby made to the
Company by the Payee that it is acquiring the Note for investment for its own
account, with no present intention of dividing its participation with others or
reselling or otherwise distributing the same, subject, nevertheless, to any
requirement of law that the disposition of its property shall at all times be
within its control.

     3.2 The Payee hereby agrees that it will not sell or transfer all or any
part of this Note unless and until it shall first have given notice to the
Company describing such sale or transfer and furnished to the Company an
opinion, reasonably satisfactory to counsel for the Company, of counsel skilled
in securities matters (selected by the holder and reasonably satisfactory to the
Company) to the effect that the proposed sale or transfer may be made without
registration under the Act and without registration or qualification under any
state.

     3.3 The Company may refuse to recognize a transfer of this Note on its
books should a holder attempt to transfer this Note otherwise than in compliance
with this Section 3.

     4.  Miscellaneous.
         -------------

     4.1 Upon receipt of evidence reasonably satisfactory to the Company of the
loss, theft, destruction or mutilation of this Note and of a letter of indemnity
reasonably satisfactory to the Company, and upon reimbursement to the Company of
all reasonable expenses incident thereto, and upon surrender or cancellation of
the Note, if mutilated, the Company will make and deliver a new Note of like
tenor in lieu of such lost, stolen, destroyed or mutilated Note.

     4.2 This Note and the rights and obligations of the Company and each holder
hereunder shall be construed in accordance with and be governed by the laws of
the State of New York.

     IN WITNESS WHEREOF, the Company has executed this Note as of the day and
year first above written.

                                           ORTHOMETRIX, INC,

                                           By: /s/ Reynald Bonmati
                                               ----------------------
                                               Name:  Reynald Bonmati
                                               Title: President

                                       3

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