Document:

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                                                                   EXHIBIT 10.67

                           SECOND AMENDMENT OF LEASE

     THIS SECOND AMENDMENT OF LEASE (this "Amendment") is hereby entered into as
of the 18/th/ day of November, 1999 by Bishop 108 Associates Limited Partnership
(the "Landlord") and Lifeline Systems, Inc. (the "Tenant").

                                  WITNESSETH:

     WHEREAS, reference is hereby made to that certain Lease, dated as of
November 17, 1997, as amended by that certain First Amendment of Lease dated as
of June 30, 1998 (as so amended, the "Lease") entered into by and between the
Landlord and the Tenant; and

     WHEREAS, any capitalized term used and not defined herein shall have the
meaning set forth in the Lease; and

     WHEREAS, the Landlord and the Tenant have agreed that the Tenant shall pay
the Cost Difference by paying to the Landlord a lump sum amount and by paying
increased Rent, all as set forth below; and

     WHEREAS, the Landlord and the Tenant desire to amend the Lease to
incorporate said agreement as set forth below

     NOW, THEREFORE, for good and valuable consideration, the receipt and
sufficiency of which is hereby acknowledged, and notwithstanding anything
contained in the Lease to the contrary, the Landlord and Tenant hereby agree as
follows:

     1.  Simultaneously with the execution of this Amendment by the Tenant, the
Tenant shall pay Four Hundred Twenty Thousand, Seven Hundred Twenty-Seven and
50/100 Dollars ($420,727.50) (the "First Lump Sum Payment") to the Landlord. The
First Lump Sum Payment consists of: (a) a one-time payment to the Landlord in
the amount of Three Hundred Seventy-Five Thousand Dollars ($375,000.00); and (b)
an additional payment of Base Rent in the amount of Forty-Five Thousand, Seven
Hundred Twenty-Seven and 50/100 Dollars ($45,727.50) (the "Retroactive Increase
in Base Rent"). The Retroactive Increase in Base Rent is for the period from the
Term Commencement Date (which is November 1, 1998) through and including
November 30, 1999 and was calculated by multiplying Fifty Cents (.50) per annum
per rentable square foot of space in the Leased Premises (which the parties
irrevocably agreed in the Lease is 84,420 square feet of rentable floor space).
The failure of the Tenant to pay the First Lump Sum Payment to the Landlord
within three (3) business days after the execution of this Amendment by the
Tenant, Landlord and Lender (hereafter defined) shall be deemed to be a default
by the Tenant in the payment of Rent due under the Lease.

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     2.  On or before October 1, 2000, the Tenant shall pay to the Landlord
Forty Thousand and 00/100 Dollars ($40,000.00) (the "Second Lump Sum Payment").
The failure of the Tenant to pay the Second Lump Sum Payment to the Landlord on
or before October 1, 2000 shall be deemed to be a default by the Tenant in the
payment of Rent due under the Lease.

     3.  The definition of "Original Lease Term" set forth in Section 1.1 of the
Lease is hereby deleted in its entirety and the following definition is hereby
substituted therefor: "Original Lease Term: Fifteen (15) Lease Years commencing
on the Term Commencement Date and ending on the last day of the fifteenth Lease
Year."

     4.  Section 3.2.1 of the Lease is hereby deleted in its entirety and the
following section is substituted therefor:

        3.2.1 Base Rent   Tenant shall pay Base Rent as follows:
              ---------

              (a) Lease Years 1-5:  For the period commencing on the Term
                  ---------------
        Commencement Date and continuing through and including the last day of
        the fifth (5th) Lease Year, the Base Rent shall be at the annual rate of
        Eight Hundred Thirteen Thousand, Nine Hundred Ninety Dollars
        ($813,990.00) and shall be payable in equal monthly installments, in
        advance, each in the amount of Sixty-Seven Thousand, Eight Hundred
        Thirty-Two and 50/100 Dollars ($67,832.50). Said annual rate of Base
        Rent was calculated by multiplying Nine and 50/100 Dollars ($9.50) by
        the number of square feet of rentable space in the Leased Premises
        (which the parties irrevocably agree is 84,420 square feet of rentable
        floor space) and adding Twelve Thousand Dollars ($12,000); and

              (b) Lease Years 6-10:  For the period commencing on the first day
                  ----------------
        of the sixth (6/th/) Lease Year and continuing through and including the
        last day of the tenth (10/th/) Lease Year, the Base Rent shall be at the
        annual rate of Nine Hundred Nineteen Thousand, Five Hundred Fifteen and
        00/100 Dollars ($919,515.00) and shall be payable in equal monthly
        installments, in advance, each in the amount of Seventy-Six Thousand,
        Six Hundred Twenty-Six and 25/100 Dollars ($76,626.25) Dollars
        ($76,626.25). Said annual rate of Base Rent was calculated by
        multiplying Ten and 75/100 Dollars ($10.75) by the number of square feet
        of rentable space in the Leased Premises (which the parties irrevocably
        agree is 84,420 square feet of rentable floor space) and adding Twelve
        Thousand Dollars ($12,000); and

              (c) Lease Years 11-15:  For the remainder of the Original Lease
                  -----------------
        Term, the Base Rent shall be at the annual rate of One Million, Eighty-
        Eight Thousand, Three Hundred Fifty-Five and 00/100 Dollars
        ($1,088,355.00) and shall be payable in equal monthly installments, in
        advance, each in the amount of Ninety Thousand,

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        Six Hundred Ninety-Six and 25/100 Dollars ($90,696.25) Dollars. Said
        annual rate of Base Rent was calculated by multiplying Twelve and 75/100
        Dollars ($12.75) by the number of square feet of rentable space in the
        Leased Premises (which the parties irrevocably agree is 84,420 square
        feet of rentable floor space) and adding Twelve Thousand Dollars
        ($12,000).

     5.  The first two sentences of Section 3.2A are hereby deleted in their
entirety and the following sentences are substituted therefor:

        Tenant shall have the right to seek, at the Tenant's expense, a "TIF"
     agreement with the Town of Framingham (the "Town") to reduce the real
     estate taxes assessed against the Property. After January 1, 2000, Landlord
     shall cooperate with Tenant in Tenant's efforts to obtain such a TIF
     agreement provided that Landlord shall not be subjected to any liability
     for the payment of any costs or expenses in connection therewith, and
     Tenant shall indemnify and save harmless Landlord from any such costs and
     expenses.

     6.  The second sentence in Section 3.3(1) is hereby deleted in its entirety
and the following sentence is substituted therefor: "The "Base Amount" shall be
the amount of the real estate taxes imposed, assessed or levied upon the
Property by the Town for the year beginning on July 1, 1999 and ending on June
30, 2000 without regard to any reduction in the real estate taxes levied on the
Property by the Town pursuant to any TIF agreement between the Tenant and the
Town."

     7.  Landlord and Tenant agree that this Second Amendment represents a full
and final settlement of all disputes regarding the Cost Difference.

     8.  Promptly after the execution and delivery hereof by all parties,
Landlord and Tenant shall execute and deliver, and Tenant may cause to be
recorded at its expense, an amendment to the existing Notice of Lease on record
in Middlesex South Registry of Deeds and the Middlesex South Registry District
of the Land Court reflecting the change in the definition of the Original Lease
Term.

     9.  The Lease, as amended by this Amendment, is hereby ratified and
confirmed and is in full force and effect.

     10. Notwithstanding anything contained herein to the contrary, this Second
Amendment shall not be deemed to be effective unless and until the holder of the
mortgage on the Property, CIBC Inc. ("Lender") consents to this Second Amendment
by signing below. Landlord represents that Lender is the only holder of a
mortgage on the Property and that no other consent or approval is required in
order for this Lease Amendment to be binding upon Landlord.

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     11. This Amendment may be executed in any number of counterparts with the
same effect as if all parties hereto had signed the same instrument. All
counterparts shall be construed together and shall constitute one original
instrument.

     In Witness Whereof, the parties hereto have executed this Amendment under
seal as of the date first written above.

LANDLORD:                                TENANT:
BISHOP 108 ASSOCIATES LIMITED            LIFELINE SYSTEMS, INC.
PARTNERSHIP
By:  BISHOP 108 CORPORATION
     the sole General Partner

     By: /s/ Donald A. Levine            By: /s/ Dennis M. Hurley
        ---------------------               ---------------------
        Donald A. Levine, President         Dennis M. Hurley
                                            Vice President of Finance

Lender joins in this Agreement for the purpose of consenting to this Second
Amendment to Lease, and confirming that, for the purposes of that certain
Subordination, Non-Disturbance and Attornment Agreement dated as of July 27,
1998 recorded in Middlesex County Registry of Deeds as Instrument No. 1352 on
July 27, 1998 and filed with the Middlesex County Registry District of the Land
Court as Document No.  1075583, the "Lease" as defined therein shall mean the
Lease as modified by this Second Amendment of Lease.

LENDER:
CIBC INC.

By: /s/ Ryan P Sparks
   ------------------
   Name: Ryan P. Sparks
   Title: Assistant Asset Manager

                                       4<PAGE>

                                                                  Exhibit 10(bb)

                               ORGANOGENESIS INC.
                                  150 Dan Road
                           Canton, Massachusetts 02021

                                                              September 24, 1999

PRIVATE AND CONFIDENTIAL
Mr. Philip M. Laughlin
4913 Rolling Green Parkway
Edina, Minnesota  55436

Dear Phil:

     I am very enthusiastic about having you join Organogenesis Inc. (the
"Company"). This letter confirms the terms of our offer to employ you as
President, Chief Operating Officer and a member of OI's Board of Directors. We
expect you to lead the Company and to help deliver value to patients, the
healthcare industry and to OI's shareholders. We very much hope that you will
find this opportunity attractive and rewarding and will accept our offer. The
terms of your employment with the Company are as follows:

1.   You will join the Company as soon as possible, which we hope will be no
     later than October 11, 1999 (your "Employment Commencement Date") as
     President, Chief Operating Officer and a member of OI's Board of Directors.
     Our expectation is that you will subsequently be named Chief Executive
     Officer of the Company by October 1, 2000. The term of your employment will
     be from your Employment Commencement Date until December 31, 2000 and will
     be automatically renewed for successive one year periods (the "Term"),
     unless and until at least sixty (60) days' prior written notice of
     termination is given by either party stating the date of termination.

     You will devote substantially all of your business time to your duties and
     responsibilities with the Company. You may serve as an officer or member of
     the board of directors of other companies, but only with the Board of
     Directors' prior approval. We encourage your active participation in
     relevant professional organizations and will pay your expenses for
     involvement with such organizations, provided it does not interfere with
     completion of your responsibilities to the Company.

2.   Your beginning annual base salary will be $325,000 and will be subject to
     annual review for increases at the discretion of the Board of Directors.

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Mr. Philip Laughlin
September 24, 1999
Page 2

3.   You will be eligible for annual incentive compensation as determined by the
     Compensation Committee of the Board of Directors of up to 50% of your Base
     Salary.

4.   On your Employment Commencement Date, you will receive a stock option award
     for 500,000 shares of the Company's common stock, vesting as follows:
     100,000 shares vesting on each of the next five anniversaries of your
     Employment Commencement Date. The exercise price of the stock options will
     be the fair market value (defined in the Company's Stock Option Plan) for
     OI on your Employment Commencement Date. All stock options will be
     "Incentive Stock Options" to the maximum extent permitted (defined by the
     Internal Revenue Code as the first $100,000 in value vesting per calendar
     year), and the remainder will be non-qualified stock options. All stock
     options will be subject to the terms of said Plan. You will be eligible for
     consideration for additional stock options grants commencing in Fiscal Year
     2000 as determined by the Board of Directors in its sole discretion. A copy
     of your stock option letter is attached as Exhibit "A".

5.   Organogenesis will provide a managed market assistance program and through
     the auspices of DeWolfe Relocation until a Buyer is identified for your
     Minnesota residence, at which time DeWolfe Relocation Services will assume
     responsibility of closing the transaction with the new buyer. We will pay
     all closing costs associated with the sale of your property in Minnesota,
     which are customary, and a sales commission not to exceed 5%. There will be
     no advance of equity for the property. Additionally, reasonable household
     moving costs in relocating from Minnesota to Massachusetts will be borne by
     Organogenesis and up to one month storage of household goods, if needed.
     The Company will also pay for three round trip air fares from Minnesota for
     you and your spouse and will pay three months of temporary living
     accommodations at Candlewood Suites in Braintree. We will reimburse your
     mortgage interest expense for three months for the home in Massachusetts,
     not to exceed $5,000 a month at current conventional interest rates as
     quoted by BankBoston, as long as your house in Minnesota is not sold. The
     terms of Organogenesis relocation benefits, as defined shall be in effect
     for six months from hire date.

6.   You will receive employee benefits in line with the general programs
     applicable to other senior OI executives. Additionally, you shall be
     entitled to four weeks of vacation each year, accruing in accordance with
     the Company's vacation policy for senior executives.

7.   If your employment is involuntarily terminated by the Company other than
     for Cause (as defined below), which the Company reserves the right to do at
     any time during or after the Term, or you terminate your employment for
     Good Reason (as defined below), during the Term of this Agreement, provided
     that you (a) do not breach the terms of your Non-Competition and
     Non-Disclosure Agreement with the Company (the "NDA"), and (h) execute a
     complete release and waiver of any claims you may have against the Company,

                                       2

<PAGE>

Mr. Philip M. Laughlin
September 24, 1999
Page 3

     claims you may have against the Company, then, as liquidated damages and in
     lieu of any other damages or compensation, you shall be entitled to receive
     (a) in twenty-four equal monthly installments commencing immediately an
     amount equal to two years' base salary as in effect on your date of
     termination; (ii) in twenty-four equal monthly installments commencing on
     March 1 of the fiscal year following the date of your termination an amount
     equal to two times the amount you would have received as a bonus in such
     year if you had worked for the full year but in any event no less than
     $200,000 in the aggregate; (iii) you will receive a pro-rated annual
     incentive compensation award in March of the year following your employment
     termination equal to the amount you would have received if you had worked
     for the full year as adjusted for the performance criteria specified for
     your award multiplied by a fraction where the numerator is the number of
     months (rounded to the next highest number for a partial month) of the year
     elapsed prior to your termination and the denominator is 12; (iv) you and
     your dependents shall continue to participate (with the same level of
     coverage) for one additional year following your employment termination
     date, in all medical/dental, accident, disability and life insurance plans
     on the same terms as in effect immediately prior to your termination,
     unless such continued participation is prohibited by applicable law or the
     existing terms of such plans, and further provided, however, that such
     benefits will cease on the date of your receiving similar benefits from a
     new employer; (v) you shall receive any other cash amounts earned, accrued
     or owing to you under the plans and programs of the Company (other than any
     stock option plans, which are provided for in item (vi) below), and (vi)
     all stock options which would otherwise vest in the next twenty-four (24)
     calendar months from the effective date of termination shall vest
     immediately.

     If you violate the provisions of Sections 11 or 12 of this Letter, and you
     have received severance payments under subparagraph (i) above, or
     additional retirement or other employee benefits under subparagraph (ii)
     above, then, in addition to whatever other remedies may be available to the
     Company in law or in equity, you agree to promptly repay the amount of such
     severance payments and additional retirement or other employee benefits to
     the Company.

9.   If during the Term, you voluntarily terminate your employment (other than
     for Good Reason) or you are discharged by the Company for Cause, you will
     forfeit your right to receive any salary, incentive compensation, severance
     pay or benefits that has not been filly earned at the time your employment
     terminates, provided, however, you will be entitled to receive any benefits
     or amounts accrued but not yet paid as of the date of your termination.

                                       3

<PAGE>

Mr. Philip M. Laughlin
September 24, 1999
Page 4

10.  You are authorized to incur reasonable expenses in carrying out your duties
     and responsibilities with the Company, and the Company shall promptly
     reimburse you for all business expenses in accordance with Company policy.

11.  You agree to sign the Company's NDA in the form attached as Exhibit "B".

12.  If your employment is terminated, you will immediately, unless otherwise
     requested by the Company's Board of Directors, resign from all
     directorships, trusteeships, or other offices and employment held at that
     time with the Company or any of its subsidiaries or affiliates.

13.  For purposes of this Agreement, "Cause" means (i) a material breach by you
     of your duties and responsibilities (other than as a result of incapacity
     due to physical or mental illness), which breach is not cured within two
     weeks following written notice by the Board of Directors, (ii) actions
     taken by you or at your request which are demonstrably willful and
     deliberate on your part, which is committed in bad faith or without
     reasonable belief that such breach is in the best interests of the Company,
     (iii) your indictment on a felony charge involving moral turpitude, or (iv)
     fraud, embezzlement or any other act undertaken by you which is materially
     and demonstrably injurious to the Company as determined in the sole
     discretion of the Board of Directors of the Company.

14.  For purposes of this Letter, "Good Reason" means that, without your consent
     (i) your rate of base salary is reduced in a manner that is not applied
     proportionately to other senior executives of the Company; (ii) there is a
     material diminution of your primary job function, or the assignment to you
     of duties which are materially inconsistent with your primary job function,
     or which materially impair your ability to perform your primary job
     function with the Company which is not remedied in a reasonable period of
     time after receipt of written notice from you specifying such breach; (iii)
     the Company delivers to you a notice of termination of your employment at a
     time when the Company would not have Cause to terminate your employment or
     fails to appoint you to the position of Chief Executive Officer on or prior
     to October 1, 2000; (iv) there is a material breach by the Company of its
     obligations described herein which is not remedied in a reasonable period
     after receipt of written notice from you specifying the breach; or (v) with
     or without your consent, a "Change of Control", as defined in Section 9 of
     your Stock Option Grant Letter attached hereto, occurs and you terminate
     your employment with the Company.

                      [THIS SPACE INTENTIONALLY LEFT BLANK]

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Mr. Philip M. Laughlin
September 24, 1999
Page 5

     This Letter and the Stock Option Grant Letter and NDA attached hereto set
forth our entire agreement in respect of the subject matter contained herein.
Again Phil, we look forward to you joining OI and in helping us build upon our
early achievements. We believe that your efforts will help propel OI to great
financial success.

Very truly yours,

ORGANOGENESIS, INC.                         ACCEPTED AND AGREED:

By: _____________________________           _____________________________
      Herbert M. Stein, Chairman             Philip M. Laughlin

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