Document:

<PAGE>
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                                                                               .

                                  EXHIBIT 10.3

                                  AMICAS, INC.

          Nonqualified Stock Option ("NQSO")[Agreement/Confirming Memo]
                     Granted Under 2006 Stock Incentive Plan

<TABLE>
<S>                                      <C>
PARTICIPANT (employee, consultant,       EXERCISE PRICE: $______ per Share
advisor or director): _______________

GRANT DATE: __________                   FINAL EXERCISE DATE: __________

AWARD AMOUNT: Option to purchase _____   OTHER TERMS: ___________
shares (the "Shares") of AMICAS common
stock, par value $0.001 per share
("Common Stock")

VESTING SCHEDULE: __________
</TABLE>

1.   Grant of Option.

     This agreement evidences the grant by AMICAS, INC., a Delaware corporation
(the "Company"), on the Grant Date to the Participant, of an option to purchase,
in whole or in part, on the terms provided herein and in the Company's 2006
Stock Incentive Plan (the "Plan"), the Shares at the Exercise Price. Unless
earlier terminated, this option shall expire at 5:00 p.m., Eastern time, on the
Final Exercise Date.

     It is intended that the option evidenced by this agreement shall not be an
incentive stock option as defined in Section 422 of the Internal Revenue Code of
1986, as amended, and any regulations promulgated thereunder (the "Code").
Except as otherwise indicated by the context, the term "Participant", as used in
this option, shall be deemed to include any person who acquires the right to
exercise this option validly under its terms.

2.   Vesting Schedule.

     This option will become exercisable ("vest") as set forth above.

     The right of exercise shall be cumulative so that to the extent the option
is not exercised in any period to the maximum extent permissible it shall
continue to be exercisable, in whole or in part, with respect to all Shares for
which it is vested until the earlier of the Final Exercise Date or the
termination of this option under Section 3 hereof or the Plan.

<PAGE>

3.   Exercise of Option.

     (a) Form of Exercise. Each election to exercise this option shall be in
writing, signed by the Participant or by any other form of notice of exercise
(including electronic notice) approved by the Board, and received by the Company
at its principal office, accompanied by this agreement, and payment in full in
the manner provided in the Plan. The Participant may purchase less than the
number of shares covered hereby, provided that no partial exercise of this
option may be for any fractional share.

     (b) Continuous Relationship with the Company Required. Except as otherwise
provided in this Section 3, this option may not be exercised unless the
Participant, at the time he or she exercises this option, is, and has been at
all times since the Grant Date, an employee, officer or director of, or
consultant or advisor to, the Company or any other entity the employees,
officers, directors, consultants, or advisors of which are eligible to receive
option grants under the Plan (an "Eligible Participant").

     (c) Termination of Relationship with the Company. If the Participant ceases
to be an Eligible Participant for any reason, then, except as provided in
paragraphs (d) and (e) below, the right to exercise this option shall terminate
three months after such cessation (but in no event after the Final Exercise
Date), provided that this option shall be exercisable only to the extent that
the Participant was entitled to exercise this option on the date of such
cessation. Notwithstanding the foregoing, if the Participant, prior to the Final
Exercise Date, violates the non-competition or confidentiality provisions of any
employment contract, confidentiality and nondisclosure agreement or other
agreement between the Participant and the Company, the right to exercise this
option shall terminate immediately upon such violation.

     (d) Exercise Period Upon Death or Disability. If the Participant dies or
becomes disabled (within the meaning of Section 22(e)(3) of the Code) prior to
the Final Exercise Date while he or she is an Eligible Participant and the
Company has not terminated such relationship for "cause" as specified in
paragraph (e) below, this option shall be exercisable, within the period of one
year following the date of death or disability of the Participant, by the
Participant (or in the case of death by an authorized transferee), provided that
this option shall be exercisable only to the extent that this option was
exercisable by the Participant on the date of his or her death or disability,
and further provided that this option shall not be exercisable after the Final
Exercise Date.

     (e) Termination for Cause. If, prior to the Final Exercise Date, the
Participant's employment or other relationship with the Company is terminated by
the Company for Cause (as defined below), the right to exercise this option
shall terminate immediately upon the effective date of such termination of
employment or other relationship. If the Participant is party to an employment,
consulting or severance agreement with the Company that contains a definition of
"cause" for termination of employment or other relationship, "Cause" shall have
the meaning ascribed to such term in such agreement. Otherwise, "Cause" shall
mean willful misconduct by the Participant or willful failure by the Participant
to perform his or her responsibilities to the Company (including, without
limitation, breach by the Participant of any provision of any employment,
consulting, advisory, nondisclosure, non-competition or other similar agreement
between the Participant and the Company), as determined by the Company, which
determination

<PAGE>

shall be conclusive. The Participant shall be considered to have been discharged
for "Cause" if the Company determines, within 30 days after the Participant's
resignation, that discharge for cause was warranted.

4.   Withholding.

     No Shares will be issued pursuant to the exercise of this option unless and
until the Participant pays to the Company, or makes provision satisfactory to
the Company for payment of, any federal, state or local withholding taxes
required by law to be withheld in respect of this option.

5.   Nontransferability of Option.

     This option may not be sold, assigned, transferred, pledged or otherwise
encumbered by the Participant, either voluntarily or by operation of law, except
by will or the laws of descent and distribution or pursuant to a qualified
domestic relations order, and, during the lifetime of the Participant, this
option shall be exercisable only by the Participant.

6.   Provisions of the Plan.

     This option is subject to the provisions of the Plan, a copy of which is
furnished to the Participant with this option.

     [IN WITNESS WHEREOF, the Company has caused this option to be executed
under its corporate seal by its duly authorized officer. This option shall take
effect as a sealed instrument.

                                         AMICAS, Inc.

Dated:                                   By:
       ---------------                       -----------------------------------
                                         Name:
                                               ---------------------------------
                                         Title:
                                                --------------------------------

<PAGE>

                            PARTICIPANT'S ACCEPTANCE

     The undersigned hereby accepts the foregoing option and agrees to the terms
and conditions thereof. The undersigned hereby acknowledges receipt of a copy of
the Company's 2006 Stock Incentive Plan.

                                         PARTICIPANT:

                                         ---------------------------------------
                                         Address:
                                                  ------------------------------

                                                  -----------------------------]<PAGE>

                                  EXHIBIT 10.4

                                  AMICAS, Inc.

                           Restricted Stock Agreement
                     Granted Under 2006 Stock Incentive Plan

     AGREEMENT made this ____ day of _____________, 20__, between AMICAS, INC.,
a Delaware corporation (the "Company"), and ______________ (the "Participant").

     For valuable consideration, receipt of which is acknowledged, the parties
hereto agree as follows:

     1. Purchase of Shares.

     The Company shall issue and sell to the Participant, and the Participant
shall purchase from the Company, subject to the terms and conditions set forth
in this Agreement and in the Company's 2006 Stock Incentive Plan (the "Plan"),
_______ shares (the "Shares") of common stock, par value $0.001 per share, of
the Company ("Common Stock"), at a purchase price of $0.001 per share. The
aggregate purchase price for the Shares shall be paid by the Participant by
check payable to the order of the Company or such other method as may be
acceptable to the Company. Upon receipt by the Company of payment for the
Shares, the Company shall issue to the Participant one or more certificates in
the name of the Participant for that number of Shares purchased by the
Participant. The Participant agrees that the Shares shall be subject to the
purchase option set forth in Section 2 of this Agreement and the restrictions on
transfer set forth in Section 4 of this Agreement.

     2. Purchase Option.

          (a) In the event that the Participant ceases to be employed by the
Company for any reason or no reason, with or without cause, prior to
_____________________, 20__, the Company shall have the right and option (the
"Purchase Option") to purchase from the Participant, for a sum of $0.001 per
share (the "Option Price"), some or all of the Unvested Shares (as defined
below).

     "Unvested Shares" means the total number of Shares multiplied by the
Applicable Percentage at the time the Purchase Option becomes exercisable by the
Company. The "Applicable Percentage" shall be (i) 100% during the 12-month
period ending_____________________, 20__ and, (ii) 100% less ______% for each
three months of employment completed by the Participant with the Company from
and after _____________________, 20__, and (iii) zero after
_____________________, 20__.

          (b) In the event that the Participant's employment with the Company is
terminated by reason of death or disability, the number of the Shares for which
the Purchase Option becomes exercisable shall be one hundred percent (100%) of
the number of Unvested Shares for which the Purchase Option would otherwise
become exercisable. For this purpose, "disability" shall mean the inability of
the Participant, due to a medical reason, to carry out his duties as an employee
of the Company for a period of six consecutive months.

<PAGE>

          (c) If the Participant is employed by a parent or subsidiary of the
Company, any references in this Agreement to employment with the Company or
termination of employment by or with the Company shall instead be deemed to
refer to such parent or subsidiary.

     3. Exercise of Purchase Option and Closing.

          (a) The Company may exercise the Purchase Option by delivering or
mailing to the Participant (or his estate), within 90 days after the termination
of the employment of the Participant with the Company, a written notice of
exercise of the Purchase Option. Such notice shall specify the number of Shares
to be purchased. If and to the extent the Purchase Option is not so exercised by
the giving of such a notice within such 90-day period, the Purchase Option shall
automatically expire and terminate effective upon the expiration of such 90-day
period.

          (b) Within 10 days after delivery to the Participant of the Company's
notice of the exercise of the Purchase Option pursuant to subsection (a) above,
the Participant (or his estate) shall, pursuant to the provisions of the Joint
Escrow Instructions referred to in Section 7 below, tender to the Company at its
principal offices the certificate or certificates representing the Shares which
the Company has elected to purchase in accordance with the terms of this
Agreement, duly endorsed in blank or with duly endorsed stock powers attached
thereto, all in form suitable for the transfer of such Shares to the Company.
Promptly following its receipt of such certificate or certificates, the Company
shall pay to the Participant the aggregate Option Price for such Shares
(provided that any delay in making such payment shall not invalidate the
Company's exercise of the Purchase Option with respect to such Shares).

          (c) After the time at which any Shares are required to be delivered to
the Company for transfer to the Company pursuant to subsection (b) above, the
Company shall not pay any dividend to the Participant on account of such Shares
or permit the Participant to exercise any of the privileges or rights of a
stockholder with respect to such Shares, but shall, in so far as permitted by
law, treat the Company as the owner of such Shares.

          (d) The Option Price may be payable, at the option of the Company, in
cancellation of all or a portion of any outstanding indebtedness of the
Participant to the Company or in cash (by check) or both.

          (e) The Company shall not purchase any fraction of a Share upon
exercise of the Purchase Option, and any fraction of a Share resulting from a
computation made pursuant to Section 2 of this Agreement shall be rounded to the
nearest whole Share (with any one-half Share being rounded upward).

          (f) The Company may assign its Purchase Option to one or more persons
or entities.

     4. Restrictions on Transfer.

          (a) The Participant shall not sell, assign, transfer, pledge,
hypothecate or otherwise dispose of, by operation of law or otherwise
(collectively "transfer") any Shares, or any interest therein, that are subject
to the Purchase Option, except that the Participant may transfer such Shares (i)
to or for the benefit of any spouse, children, parents, uncles, aunts,

<PAGE>

siblings, grandchildren and any other relatives approved by the Board of
Directors (collectively, "Approved Relatives") or to a trust established solely
for the benefit of the Participant and/or Approved Relatives, provided that such
Shares shall remain subject to this Agreement (including without limitation the
restrictions on transfer set forth in this Section 4 and the Purchase Option)
and such permitted transferee shall, as a condition to such transfer, deliver to
the Company a written instrument confirming that such transferee shall be bound
by all of the terms and conditions of this Agreement or (ii) as part of the sale
of all or substantially all of the shares of capital stock of the Company
(including pursuant to a merger or consolidation), provided that, in accordance
with the Plan, the securities or other property received by the Participant in
connection with such transaction shall remain subject to this Agreement.

     5. Escrow.

     The Participant shall, upon the execution of this Agreement, execute Joint
Escrow Instructions in the form attached to this Agreement as Exhibit A. The
Joint Escrow Instructions shall be delivered to the Secretary of the Company, as
escrow agent thereunder. The Participant shall deliver to such escrow agent a
stock assignment duly endorsed in blank, in the form attached to this Agreement
as Exhibit B, and hereby instructs the Company to deliver to such escrow agent,
on behalf of the Participant, the certificate(s) evidencing the Shares issued
hereunder. Such materials shall be held by such escrow agent pursuant to the
terms of such Joint Escrow Instructions.

     6. Restrictive Legends.

     All certificates representing Shares shall have affixed thereto legends in
substantially the following form, in addition to any other legends that may be
required under federal or state securities laws:

          "The shares of stock represented by this certificate are subject to
          restrictions on transfer and an option to purchase set forth in a
          certain Restricted Stock Agreement between the corporation and the
          registered owner of these shares (or his predecessor in interest), and
          such Agreement is available for inspection without charge at the
          office of the Secretary of the corporation."

     7. Provisions of the Plan.

          (a) This Agreement is subject to the provisions of the Plan, a copy of
which is furnished to the Participant with this Agreement.

          (b) As provided in the Plan, upon the occurrence of a Reorganization
Event (as defined in the Plan), the repurchase and other rights of the Company
hereunder shall inure to the benefit of the Company's successor and shall apply
to the cash, securities or other property which the Shares were converted into
or exchanged for pursuant to such Reorganization Event in the same manner and to
the same extent as they applied to the Shares under this Agreement. If, in
connection with a Reorganization Event, a portion of the cash, securities and/or
other property received upon the conversion or exchange of the Shares is to be
placed into escrow to secure indemnification or similar obligations, the mix
between the vested and unvested portion of such cash, securities and/or other
property that is placed into escrow shall be the same as the mix

<PAGE>

between the vested and unvested portion of such cash, securities and/or other
property that is not subject to escrow.

     8. Withholding Taxes; Section 83(b) Election.

          (a) The Participant acknowledges and agrees that the Company has the
right to deduct from payments of any kind otherwise due to the Participant any
federal, state or local taxes of any kind required by law to be withheld with
respect to the purchase of the Shares by the Participant or the lapse of the
Purchase Option.

          (b) The Participant has reviewed with the Participant's own tax
advisors the federal, state, local and foreign tax consequences of this
investment and the transactions contemplated by this Agreement. The Participant
is relying solely on such advisors and not on any statements or representations
of the Company or any of its agents. The Participant understands that the
Participant (and not the Company) shall be responsible for the Participant's own
tax liability that may arise as a result of this investment or the transactions
contemplated by this Agreement. The Participant understands that it may be
beneficial in many circumstances to elect to be taxed at the time the Shares are
purchased rather than when and as the Company's Purchase Option expires by
filing an election under Section 83(b) of the Internal Revenue Code of 1986 with
the I.R.S. within 30 days from the date of purchase.

          THE PARTICIPANT ACKNOWLEDGES THAT IT IS SOLELY THE PARTICIPANT'S
RESPONSIBILITY AND NOT THE COMPANY'S TO FILE TIMELY THE ELECTION UNDER SECTION
83(b), EVEN IF THE PARTICIPANT REQUESTS THE COMPANY OR ITS REPRESENTATIVES TO
MAKE THIS FILING ON THE PARTICIPANT'S BEHALF.

     9. Miscellaneous.

          (a) No Rights to Employment. The Participant acknowledges and agrees
that the vesting of the Shares pursuant to Section 2 hereof is earned only by
continuing service as a an employee at will of the Company (not through the act
of being elected or appointed or purchasing shares hereunder). The Participant
further acknowledges and agrees that the transactions contemplated hereunder and
the vesting schedule set forth herein do not constitute an express or implied
promise of continued engagement as an employee or consultant for the vesting
period, for any period, or at all.

          (b) Severability. The invalidity or unenforceability of any provision
of this Agreement shall not affect the validity or enforceability of any other
provision of this Agreement, and each other provision of this Agreement shall be
severable and enforceable to the extent permitted by law.

          (c) Waiver. Any provision for the benefit of the Company contained in
this Agreement may be waived, either generally or in any particular instance, by
the Board of Directors of the Company.

          (d) Binding Effect. This Agreement shall be binding upon and inure to
the benefit of the Company and the Participant and their respective heirs,
executors, administrators,

<PAGE>

legal representatives, successors and assigns, subject to the restrictions on
transfer set forth in Section 4 of this Agreement.

          (e) Notice. All notices required or permitted hereunder shall be in
writing and deemed effectively given upon personal delivery or five days after
deposit in the United States Post Office, by registered or certified mail,
postage prepaid, addressed to the other party hereto at the address shown
beneath his or its respective signature to this Agreement, or at such other
address or addresses as either party shall designate to the other in accordance
with this Section 9(e).

          (f) Pronouns. Whenever the context may require, any pronouns used in
this Agreement shall include the corresponding masculine, feminine or neuter
forms, and the singular form of nouns and pronouns shall include the plural, and
vice versa.

          (g) Entire Agreement. This Agreement and the Plan constitute the
entire agreement between the parties, and supersedes all prior agreements and
understandings, relating to the subject matter of this Agreement.

          (h) Amendment. This Agreement may be amended or modified only by a
written instrument executed by both the Company and the Participant.

          (i) Governing Law. This Agreement shall be construed, interpreted and
enforced in accordance with the internal laws of the State of Delaware without
regard to any applicable conflicts of laws.

          (j) Participant's Acknowledgments. The Participant acknowledges that
he or she: (i) has read this Agreement; (ii) has been represented in the
preparation, negotiation, and execution of this Agreement by legal counsel of
the Participant's own choice or has voluntarily declined to seek such counsel;
(iii) understands the terms and consequences of this Agreement; (iv) is fully
aware of the legal and binding effect of this Agreement; and (v) understands
that the law firm of Wilmer Hale is acting as counsel to the Company in
connection with the transactions contemplated by the Agreement, and is not
acting as counsel for the Participant.

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

                                        AMICAS, INC.

                                        By:
                                            ------------------------------------
                                        Title:
                                               ---------------------------------

                                        ----------------------------------------
                                        [Name of Participant]

                                        Address:
                                                 -------------------------------

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

<PAGE>

                                    Exhibit A

                                  AMICAS, INC.

                            Joint Escrow Instructions

                                                                __________, 20__

AMICAS, Inc.
20 Guest Street
Boston, MA 02135
Attention: Secretary

Ladies and Gentlemen:

     As Escrow Agent for AMICAS, INC., a Delaware corporation, and its
successors in interest under the Restricted Stock Agreement (the "Agreement") of
even date herewith, to which a copy of these Joint Escrow Instructions is
attached (the "Company"), and the undersigned person ("Holder"), you are hereby
authorized and directed to hold the documents delivered to you pursuant to the
terms of the Agreement in accordance with the following instructions:

     1. Appointment. Holder irrevocably authorizes the Company to deposit with
you any certificates evidencing Shares (as defined in the Agreement) to be held
by you hereunder and any additions and substitutions to said Shares. For
purposes of these Joint Escrow Instructions, "Shares" shall be deemed to include
any additional or substitute property. Holder does hereby irrevocably constitute
and appoint you as his attorney-in-fact and agent for the term of this escrow to
execute with respect to such Shares all documents necessary or appropriate to
make such Shares negotiable and to complete any transaction herein contemplated.
Subject to the provisions of this Section 1 and the terms of the Agreement,
Holder shall exercise all rights and privileges of a stockholder of the Company
while the Shares are held by you.

     2. Closing of Purchase.

          (a) Upon any purchase by the Company of the Shares pursuant to the
Agreement, the Company shall give to Holder and you a written notice specifying
the number of Shares to be purchased, the purchase price for the Shares, as
determined pursuant to the Agreement, and the time for a closing hereunder (the
"Closing") at the principal office of the Company. Holder and the Company hereby
irrevocably authorize and direct you to close the transaction contemplated by
such notice in accordance with the terms of said notice.

          (b) At the Closing, you are directed (i) to date the stock assignment
form or forms necessary for the transfer of the Shares, (ii) to fill in on such
form or forms the number of Shares being transferred, and (iii) to deliver the
same, together with the certificate or certificates evidencing the Shares to be
transferred, to the Company against the simultaneous delivery to you of the
purchase price for the Shares being purchased pursuant to the Agreement.

     3. Withdrawal. The Holder shall have the right to withdraw from this escrow
any Shares as to which the Purchase Option (as defined in the Agreement) has
terminated or expired.
<PAGE>

     4. Duties of Escrow Agent.

          (a) Your duties hereunder may be altered, amended, modified or revoked
only by a writing signed by all of the parties hereto.

          (b) You shall be obligated only for the performance of such duties as
are specifically set forth herein and may rely and shall be protected in relying
or refraining from acting on any instrument reasonably believed by you to be
genuine and to have been signed or presented by the proper party or parties. You
shall not be personally liable for any act you may do or omit to do hereunder as
Escrow Agent or as attorney-in-fact of Holder while acting in good faith and in
the exercise of your own good judgment, and any act done or omitted by you
pursuant to the advice of your own attorneys shall be conclusive evidence of
such good faith.

          (c) You are hereby expressly authorized to disregard any and all
warnings given by any of the parties hereto or by any other person or entity,
excepting only orders or process of courts of law, and are hereby expressly
authorized to comply with and obey orders, judgments or decrees of any court. If
you are uncertain of any actions to be taken or instructions to be followed, you
may refuse to act in the absence of an order, judgment or decrees of a court. In
case you obey or comply with any such order, judgment or decree of any court,
you shall not be liable to any of the parties hereto or to any other person or
entity, by reason of such compliance, notwithstanding any such order, judgment
or decree being subsequently reversed, modified, annulled, set aside, vacated or
found to have been entered without jurisdiction.

          (d) You shall not be liable in any respect on account of the identity,
authority or rights of the parties executing or delivering or purporting to
execute or deliver the Agreement or any documents or papers deposited or called
for hereunder.

          (e) You shall be entitled to employ such legal counsel and other
experts as you may deem necessary properly to advise you in connection with your
obligations hereunder and may rely upon the advice of such counsel.

          (f) Your rights and responsibilities as Escrow Agent hereunder shall
terminate if (i) you cease to be Secretary of the Company or (ii) you resign by
written notice to each party. In the event of a termination under clause (i),
your successor as Secretary shall become Escrow Agent hereunder; in the event of
a termination under clause (ii), the Company shall appoint a successor Escrow
Agent hereunder.

          (g) If you reasonably require other or further instruments in
connection with these Joint Escrow Instructions or obligations in respect
hereto, the necessary parties hereto shall join in furnishing such instruments.

          (h) It is understood and agreed that if you believe a dispute has
arisen with respect to the delivery and/or ownership or right of possession of
the securities held by you hereunder, you are authorized and directed to retain
in your possession without liability to anyone all or any part of said
securities until such dispute shall have been settled either by mutual written
agreement of the parties concerned or by a final order, decree or judgment of a
court of competent jurisdiction after the time for appeal has expired and no
appeal has been perfected, but you shall be under no duty whatsoever to
institute or defend any such proceedings.

<PAGE>

          (i) These Joint Escrow Instructions set forth your sole duties with
respect to any and all matters pertinent hereto and no implied duties or
obligations shall be read into these Joint Escrow Instructions against you.

          (j) The Company shall indemnify you and hold you harmless against any
and all damages, losses, liabilities, costs, and expenses, including attorneys'
fees and disbursements, (including without limitation the fees of counsel
retained pursuant to Section 4(e) above, for anything done or omitted to be done
by you as Escrow Agent in connection with this Agreement or the performance of
your duties hereunder, except such as shall result from your gross negligence or
willful misconduct.

     5. Notice. Any notice required or permitted hereunder shall be given in
writing and shall be deemed effectively given upon personal delivery or upon
deposit in the United States Post Office, by registered or certified mail with
postage and fees prepaid, addressed to each of the other parties thereunto
entitled at the following addresses, or at such other addresses as a party may
designate by ten days' advance written notice to each of the other parties
hereto.

          COMPANY:      Notices to the Company shall be sent to the address set
                        forth in the salutation hereto, Attn: General Counsel

          HOLDER:       Notices to Holder shall be sent to the address set forth
                        below Holder's signature below.

          ESCROW AGENT: Notices to the Escrow Agent shall be sent to the
                        address set forth in the salutation hereto.

<PAGE>

     6. Miscellaneous.

          By signing these Joint Escrow Instructions, you become a party hereto
only for the purpose of said Joint Escrow Instructions, and you do not become a
party to the Agreement.

          This instrument shall be binding upon and inure to the benefit of the
parties hereto and their respective successors and permitted assigns.

                                        Very truly yours,

                                        [ESCROW AGENT]

                                        By:
                                            ------------------------------------
                                        Title:
                                               ---------------------------------

                                        HOLDER:

                                        ----------------------------------------
                                                       (Signature)

                                        ----------------------------------------
                                                       Print Name

                                        Address:
                                                 -------------------------------

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

                                        Date Signed:
                                                     ---------------------------

ESCROW AGENT:

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

<PAGE>

                                    Exhibit B

                                    (STOCK ASSIGNMENT SEPARATE FROM CERTIFICATE)

     FOR VALUE RECEIVED, I hereby sell, assign and transfer unto AMICAS, Inc.
(_________) shares of Common Stock, $0.001 par value per share, of AMICAS, Inc.
(the "Corporation") standing in my name on the books of the Corporation
represented by Certificate(s) Number __________ herewith, and do hereby
irrevocably constitute and appoint the CFO of AMICAS, Inc. attorney to transfer
the said stock on the books of the Corporation with full power of substitution
in the premises.

                                        Dated: _________________________________

IN PRESENCE OF                          ________________________________________

                                        ________________________________________

     NOTICE: The signature(s) to this assignment must correspond with the name
as written upon the face of the certificate, in every particular, without
alteration, enlargement, or any change whatever and must be guaranteed by a
commercial bank, trust company or member firm of the Boston, New York or Midwest
Stock Exchange.

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