Document:

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                                                                   EXHIBIT 10.24

THESE SECURITIES HAVE NOT BEEN REGISTERED UNDER THE SECURITIES ACT OF 1933, AS
AMENDED (THE "ACT"). THESE SECURITIES HAVE BEEN ACQUIRED FOR INVESTMENT PURPOSES
ONLY AND NOT WITH A VIEW TO DISTRIBUTION OR RESALE, AND MAY NOT BE SOLD, OFFERED
FOR SALE, PLEDGED OR HYPOTHECATED IN THE ABSENCE OF AN EFFECTIVE REGISTRATION
STATEMENT WITH RESPECT TO THE SECURITIES UNDER THE ACT OR PURSUANT TO RULES 144
OR 144A UNDER THE ACT OR PURSUANT TO AN OPINION OF COUNSEL SATISFACTORY TO THE
COMPANY, AND ITS COUNSEL THAT THERE IS AN EFFECTIVE EXEMPTION FROM SUCH
REGISTRATION.

                               HYPERBARIC SYSTEMS

                   WARRANT TO PURCHASE SHARES OF COMMON STOCK

                   VOID AFTER 5:00 P.M. PACIFIC STANDARD TIME

                              ON SEPTEMBER 21, 2004

        FOR VALUE RECEIVED, The Corporate Law Group (the "Warrant Holder") is
entitled to subscribe for and purchase, subject to the terms and conditions set
forth in this Warrant, Ten Thousand Five Hundred (10,000) shares of Common Stock
("Stock") of HYPERBARIC SYSTEMS, a California corporation (the "Company"). The
exercise price of this warrant (the "Exercise Price") and purchase price of the
Stock shall be $1.50 per share.

        1. CONDITIONS TO EXERCISE THIS WARRANT. Subject to the provisions and
upon the terms and conditions herein set forth, this Warrant may be exercised in
whole, or in part as set forth herein, at any time during the period ending at
5:00 p.m., Pacific Standard Time on September 21, 2004 (the "Warrant Termination
Date"). In no event may this Warrant be exercised after the Warrant Termination
Date.

        2. METHOD OF EXERCISE; PAYMENT; ISSUANCE OF NEW WARRANT. The purchase
right represented by this Warrant may only be exercised by the registered holder
hereof, in whole or in part as set forth herein, by the surrender of this
Warrant (with the notice of exercise provision contained on the last page hereof
duly executed) at the principal office of the Company, and by the payment to the
Company, by check, cancellation of indebtedness, or both, of an amount equal to
the Exercise Price per share multiplied by the number of shares then being
purchased. Notwithstanding the terms hereof allowing partial exercise of this
Warrant, in no event may this Warrant be exercised at any time for less than
twenty-five percent (25%) of the number of shares for which this Warrant is
originally exercisable. In the event of the partial exercise hereof, a
replacement warrant in substantially the form hereof, but for the number of
shares for which this Warrant is not exercised shall be delivered to the Warrant
Holder within a

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reasonable period of time following such partial exercise. In the event of any
exercise of this Warrant, certificates for the shares of Stock so purchased
shall be delivered to the holder hereof as soon as practicable. Such exercise
shall be deemed to have been made immediately prior to the close of business on
the date of surrender of this Warrant.

        3. STOCK FULLY PAID; RESERVATION OF SHARES. All shares of Stock which
may be issued upon the exercise of this Warrant will, upon issuance, be duly
authorized and validly issued, and fully paid and non-assessable, and free from
all taxes, liens, and charges with respect to the issue thereof. During the
period within which the rights represented by this Warrant may be exercised, the
Company will use its best efforts to cause to be authorized, and thereafter at
all times have authorized, and reserved for the purpose of the issue upon
exercise of the purchase rights evidenced by this Warrant, a sufficient number
of shares of its Stock to provide for the exercise of the rights represented by
this Warrant.

        4. ADJUSTMENTS IN CONVERSION PRICE. In the event the Company hereof
shall fix a record date for any stock split, reverse split, combination or
recapitalization or for the determination of holders of common stock entitled to
receive a dividend or other distribution payable in additional shares of common
stock or other securities or rights convertible into or entitling the holder
thereof to receive directly or indirectly, additional shares of common stock
("Common Stock Equivalents") without payment of any consideration by such holder
for the additional shares of common stock or Common Stock Equivalents, then, as
of such record date, (or the date of such event if no record date is Fixed), the
price per share of Common Stock for which this Warrant may be exercised shall be
appropriately decreased or increased so that the number of shares of Common
Stock issuable on exercise hereof shall be increased or decreased in proportion
to such increase or decrease of outstanding shares, with any such Common Stock
Equivalents evaluated on a full dilution, full conversion basis. The Company
shall not, by amendment of its Certificate of Incorporation or through any
reorganization, recapitalization, transfer of assets, consolidation, merger,
dissolution, issue or sale of securities or other voluntary action, avoid or
seek to avoid the observance or performance of any of the terms or provisions to
be observed or performed under this provision.

        5. FRACTIONAL SHARES. No fractional shares of Stock will be issued in
connection with any exercise hereunder, but in lieu of such fractional shares
the Company shall make a cash payment therefor equal to the product of such
fraction and the Exercise Price.

        6. COMPLIANCE WITH SECURITIES LAWS; DISPOSITION OF WARRANT AND SHARES OF
COMMON STOCK.

                (a) Compliance With Securities Laws. The holder of this Warrant,
by acceptance hereof, acknowledges that this Warrant and the shares of Stock to
be issued upon exercise hereof are being acquired for investment purposes only
and that such Holder will not offer, sell or otherwise dispose of this Warrant
or any shares of Stock to

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be issued upon exercise hereof except under circumstances which will not result
in a violation of the Securities Act of 1933, as amended (the "Act"), or any
state securities laws. Upon exercise of this Warrant, the holder hereof shall,
if requested by the Company, confirm in writing, in a form satisfactory to the
Company, that the shares of Stock so purchased are being acquired for investment
purposes only and not with a view toward distribution or resale. This Warrant
and all shares of Stock issued upon exercise of this Warrant shall be stamped or
imprinted with a legend therein setting forth substantially the following
statement (in addition to any legend required by state securities laws):

               THE SECURITIES REPRESENTED HEREBY HAVE BEEN ACQUIRED FOR
               INVESTMENT PURPOSES ONLY AND HAVE NOT BEEN REGISTERED UNDER THE
               SECURITIES ACT OF 1933, AS AMENDED (THE "ACT"). SUCH SECURITIES
               AND ANY SECURITIES OR SHARES ISSUED HEREUNDER MAY NOT BE SOLD OR
               TRANSFERRED UNLESS A REGISTRATION STATEMENT UNDER THE ACT IS IN
               EFFECT AS TO SUCH SALE OR TRANSFER, OR IN THE OPINION OF COUNSEL
               ACCEPTABLE TO THE COMPANY, SUCH REGISTRATION IS UNNECESSARY, OR
               AN EXCEPTION THEREFROM IS AVAILABLE UNDER THE ACT.

               (b) Transfer of Warrant or Shares of Stock. Each certificate
representing the shares of Stock issued hereunder shall bear a legend as to the
restrictions on transferability in order to insure compliance with applicable
securities laws unless, in the opinion of counsel for the Company, such legends
are not required. The Company may issue stop transfer instructions to its
transfer agent in connection with such restrictions.

        7. "MARKET STAND-OFF" AGREEMENT. The Warrant Holder agrees that, during
that period of duration specified by the Company and an underwriter of common
stock (or other securities) of the Company, following the effective date of a
registration statement of the Company filed under the Securities Act of 1933, as
amended, the Warrant Holder shall not, to the extent requested by the Company
and such underwriter, directly or indirectly, offer to sell, contract to sell
(including, without limitation, any short sale), grant any option to purchase or
otherwise transfer or dispose of (other than to donees who agree to be similarly
bound) any common stock of the Company held by Holder at any time during such
period except common stock included in such registration, provided, however,
that (a) such agreement shall be applicable only to the first such registration
statement of the Company which covers common stock (or other securities) to be
sold on its behalf to the public in an underwritten offering, and (b) all
officers and directors of the Company and all persons with registration rights
with respect to securities of the Company enter into similar agreements.

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           In order to enforce the foregoing covenant, the Company may impose
stop-transfer instructions with respect to such common stock held by Holder
until the end of such period.

        8. RIGHTS OF SHAREHOLDERS. This Warrant shall not entitle the Holder to
be deemed the holder of stock or any other securities of the Company which may
be issuable on the exercise hereof for any purpose, nor shall anything contained
herein be construed to confer upon the holder of this Warrant, as such, any of
the rights of a shareholder of the Company or any right to vote for the election
of directors or upon any matter submitted to shareholders at any meeting
thereof, or to give or withhold consent to any corporate action (whether upon
any recapitalization, issuance of stock, reclassification of stock,
consolidation, merger, conveyance, or otherwise) or to receive notice of
meetings, or to receive dividends or subscription rights or otherwise until the
Warrant shall have been exercised and the certificates representing the Shares
purchasable upon the exercise hereof shall have been issued, as provided herein.

                                       HYPERBARIC SYSTEMS,
                                       A CALIFORNIA CORPORATION

                                   BY:
                                       -----------------------------------------
                                       MR. ARDETH SEALY, CHIEF FINANCIAL OFFICER
                                       AND SECRETARY

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                               NOTICE OF EXERCISE

TO:     HYPERBARIC SYSTEMS

        1. The undersigned hereby elects to purchase _________________
(___________) shares of Common Stock of HYPERBARIC SYSTEMS (the "Company")
pursuant to the terms of the foregoing Warrant, and tenders herewith payment of
the purchase price for such shares in full, together with all applicable
transfer taxes, if any.

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

                         -------------------------------
                                     (NAME)

                         -------------------------------

                         -------------------------------
                                    (ADDRESS)

        3. The undersigned represents that the shares of Stock set forth above
are being acquired for the account of the undersigned for investment purposes
only and not with a view to, or for resale in connection with, the distribution
thereof and that the undersigned has no present intention of distributing or
reselling such shares. In support thereof, the undersigned agrees to execute an
investment representation statement in a form reasonably requested by the
Company as a condition to the exercise herein noticed.

                                        BY:
                                            ------------------------------------
                                            AUTHORIZED SIGNER

                                            ------------------------------------
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                                                                   EXHIBIT 10.25

                              CONSULTANT AGREEMENT

        THIS AGREEMENT is made effective on November 20, 1999 between HYPERBARIC
SYSTEMS, whose address is 1127 Harker Avenue, Palo Alto, CA 94301, incorporated
under the laws of the State of California, hereinafter called "COMPANY", and Dr.
Larry McCleary, whose address is 1795 Foothills Drive South, Golden, CO 80401
hereinafter called "CONSULTANT".

                                   WITNESSETH:

               1. PURPOSE OF AGREEMENT. HYPERBARIC SYSTEMS is a duly established
California corporation engaged in the business of designing, manufacturing and
marketing products for the medical, food and semiconductor industries, and
CONSULTANT represents that he has expertise in the area of medicine and business
contacts. This agreement between COMPANY and CONSULTANT is entered into for the
purpose of defining the relationship, responsibilities, and agreement between
COMPANY and CONSULTANT.

               2. CONSULTANT: COMPANY hereby appoints Dr. Larry McCleary to
provide medical market due diligence and business consulting services to
COMPANY.

               3. CONSULTANT DUTIES AND RESPONSIBILITIES: CONSULTANT shall be
engaged as a Consultant with the following tasks:

                      a. Assist in providing due diligence and market
                      information in possible uses of the Technology within the
                      pediatric medical market.

                      b. Assist in providing technical contacts that may serve
                      on the Advisory Board.

                      c. Assist in providing business and investor contacts that
                      may make investments in COMPANY.

               4. CONSULTANT'S PERFORMANCE. CONSULTANT agrees to devote a
reasonable amount of time to meet the objectives outlined in Paragraph 3. The
Company acknowledges that Consultant is not an employee of the Company.

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               5. TERM. The term of this Agreement shall be effective for a
period of 9 months from the date of this Agreement unless terminated earlier by
fulfillment of the services to be provided.

               6. WARRANTS. Subject to the provisions and upon the terms and
conditions set forth herein and in that certain Warrant to Purchase Shares of
Common Stock attached as Attachment 1, COMPANY shall grant to Consultant a
warrant to purchase up to an aggregate of Eight Hundred Thousand (800,000)
shares of Common Stock of COMPANY at the exercise price of $1.50 per share.

               7. TERMINATION UPON BREACH. This Agreement shall be terminated
upon material breach of any of the provisions herein, or breach of the material
provisions of any and all supplemental agreements which the CONSULTANT and
COMPANY may mutually execute.

               8. CONFIDENTIALITY AGREEMENT. CONSULTANT agrees that all
information made available to CONSULTANT regarding the products, clients and
software systems of COMPANY are confidential and require a high degree of
confidentiality so as not to violate the rights of others and to prevent the use
thereof for purposes detrimental to the interests of COMPANY and its clients.
Such information in any form shall be hereinafter referred to as "INFORMATION."
For purposes of this Agreement:

                      a. CONFIDENTIAL INFORMATION means INFORMATION disclosed to
or acquired by CONSULTANT while employed by COMPANY, and includes but is not
limited to, INVENTIONS, Patent Applications, TRADE SECRETS, any other
information of value relating to the business and/or field of interest of
COMPANY including information with respect to which COMPANY is under an
obligation of confidentiality with any third party. CONFIDENTIAL INFORMATION
does not include information that is generally known in the relevant trade or
industry or any information known to and freely usable by CONSULTANT before
CONSULTANT"S association with COMPANY, provided, however, information for
purposes of this Agreement shall be considered CONFIDENTIAL INFORMATION if not
known by the trade generally, even though such information has been disclosed to
one or more third parties pursuant to distribution agreements, joint research
agreements, or other agreements entered into by COMPANY;

                      b. TRADE SECRET(S) means all information, know-how,
concepts, data, knowledge, ideas and materials however embodied, relating to the
business of COMPANY'S customers which have

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not been released publicly by an authorized representative of COMPANY or have
not otherwise lawfully entered the public domain. TRADE SECRETS shall include
but are not limited to information, know-how, concepts, data, knowledge,
computer programs, ideas and materials relating to COMPANY'S existing and future
products, processes, research and development, technology, production costs,
contract forms, drawings, designs, plans, proposals, marketing and sales plans
and strategies, cost or pricing information, financial information, promotional
methods, volume of sales, names or classes of customers and vendors, management
procedures, organization charts, and CONSULTANT directories.

               9. PROPRIETARY INFORMATION OF OTHERS. CONSULTANT shall not use or
disclose to COMPANY, or induce COMPANY to use, any information, know-how,
concepts, data, knowledge, computer programs, ideas or materials, however
embodied, with respect to which CONSULTANT is under an obligation of
confidentiality to any third party imposed, by law or agreement prior to the
date hereof. COMPANY represents and covenants that it will not require
CONSULTANT to violate any obligation to, or confidence with, another.

               10. SECRECY AGREEMENT. CONSULTANT acknowledges that he
understands the requirement for CONFIDENTIAL INFORMATION to be kept secret and
used only as authorized herein. CONSULTANT shall at all times during the period
of his association with COMPANY under this agreement and thereafter keep in
confidence and trust all CONFIDENTIAL INFORMATION. CONSULTANT shall use
CONFIDENTIAL INFORMATION only in the course of performing duties as Consultant
and Advisory Board Member for the Company and other duties as assigned by the
Company President, and not for unrelated personal gain. CONSULTANT shall not,
directly or indirectly, disclose any CONFIDENTIAL INFORMATION to any person,
organization or entity, except in the course of performing duties as a
CONSULTANT of COMPANY and only in the manner prescribed by COMPANY. CONSULTANT
shall abide by those COMPANY policies and regulations established from time to
time for the protection of CONFIDENTIAL INFORMATION. During CONSULTANT'S
association with COMPANY under this Agreement, and after termination thereof,
CONSULTANT shall not directly, or indirectly, either as an CONSULTANT, COMPANY,
agent, principal, partner, stockholder, corporate officer, director, or in any
other individual or representative capacity, engage or participate in any
activity of any nature whatsoever, the performance of which would have a
reasonable likelihood

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of placing CONSULTANT in conflict with the obligations of confidence and trust
regarding CONFIDENTIAL INFORMATION imposed herein.

               11. RETURN OF DOCUMENTS AND MATERIALS. CONSULTANT agrees that all
documents, reports, drawings, materials, designs, plans, computer programs,
proposals, marketing and sales plans, reproductions, and other documents or
things made by CONSULTANT or that come into CONSULTANT'S possession in the
course of employment with COMPANY are the property of COMPANY and will not be
used by CONSULTANT for any purpose other than the business of COMPANY.
CONSULTANT will not deliver, reproduce or in any way allow such documents or
things to be delivered or be used by any third parties without specific
direction or consent of COMPANY. Upon termination of this Agreement, CONSULTANT
will promptly deliver to COMPANY the above documents and materials together with
any copies thereof.

               12. NO DISCLOSURE. CONSULTANT agrees not to divulge, disclose,
convey or make known to others or any other entity, any such information without
the express written consent of the President of HyperBaric Systems first
obtained. CONSULTANT further agrees to take all necessary steps to safeguard
such information to prevent the unauthorized disclosure thereof.

               13. INJUNCTION. Recognizing that irreparable damage will result
to the business of COMPANY in the event of the breach of any of these covenants
and assurances by CONSULTANT, the parties hereto agree that if CONSULTANT shall
violate the terms of this Agreement, COMPANY shall be entitled to an injunction
to be issued by any court of competent jurisdiction enjoining and restraining
CONSULTANT and each and every person, firm, association, partnership, company,
or corporation concerned therewith, from the continuance of such violation of
the terms of this Agreement, and in addition thereto, CONSULTANT shall pay to
COMPANY all damages, including reasonable attorneys' fees sustained by COMPANY
by reason of the violation of this Agreement. However, in no event shall the
total damages exceed the amount paid to CONSULTANT.

               14. SEVERABILITY. If one or more provisions of this Agreement are
held to be unenforceable under applicable law, such provision, or such portion
of such provisions as may be necessary, shall be excluded from this Agreement
and the balance of the Agreement shall be interpreted as if such provision were
so excluded and shall be thereafter enforceable, in accordance with its terms.

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               15. SURVIVAL OF WARRANTIES. The representations, warranties, and
covenants of the Consultant and Company contained in or made pursuant to this
Agreement shall survive the execution and delivery of this Agreement.

               16. NO ASSIGNMENT. Neither the CONSULTANT nor COMPANY may
transfer or assign this Agreement, or any right or obligation hereunder, without
the prior written consent of the other party. No right or obligation under this
Agreement may be waived, modified, or in any respect altered except by written
agreement of the parties executed in writing by both parties.

               17. SUCCESSORS AND ASSIGNS. This agreement shall be binding on
the heirs, executors, successors and assigns of the parties.

               18. ATTORNEYS FEES. If any action is brought to enforce any
obligation created under this Agreement, the Court shall award to the prevailing
party, such reasonable fees, costs, and expenses as may have been incurred by
such party in enforcing its rights under this Agreement, including without
limitation, the fees, costs, and expenses of its attorney for services both
before or after litigation is instituted.

               19. ENTIRE AGREEMENT. This Agreement may not be changed except in
writing signed by the President of the Company and the CONSULTANT. The validity,
performance, construction, and effect of this Agreement shall be governed by the
laws of the State of California

               IN WITNESS WHEREOF, the parties hereto have executed this
Agreement as of the day and year first above written.

        "COMPANY"                            "CONSULTANT"

HYPERBARIC SYSTEMS                           DR. LARRY MCCLEARY
1127 Harker Avenue                           1795 Foothills Dr. South
Palo Alto, California 94301                  Golden, Colorado 80401

By:
   --------------------------------
   HARRY MASUDA, PRESIDENT                   DR. LARRY MCCLEARY, CONSULTANT

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