Exhibit 3.1

ARTICLES OF INCORPORATION

OF

DESIGN SOURCE, INC.

* * * * *

FIRST

The name of the corporation is Design Source, Inc.

SECOND

Its principal office in the state of Nevada is located at 101 Convention Center
Dr. #700, Las Vegas, Nevada 89109. The name and address of its resident agent is Nevada Corporate Headquarters, Inc., 101 Convention Center Dr. #700, Las Vegas, Nevada 89109.

THIRD

The purpose or
purposes for which the corporation is organized:

To engage in and carry on any lawful business activity or trade, and any activities
necessary, convenient, or desirable to accomplish such purposes, not forbidden by law or by these articles of incorporation.

FOURTH

The amount of
the total authorized capital stock of the corporation is One Thousand Dollars ($1,000.00) consisting of One Hundred Million (100,000,000) shares of common stock of the par value of $0.00001 each.

FIFTH

The governing
board of this corporation shall be known as directors, and the number of directors may from time to time be increased or decreased in such manner as shall be provided by the bylaws of this corporation.



---

There are three initial members of the Board of Directors and their names and addresses are:



|                    |  |                                  
|------------------- |  | ---------------------------------
|NAME                |  | POST-OFFICE ADDRESS              
|John Ciannamea      |  | 2113 Wisley Way                  
|                    |  | Wake Forest, North Carolina 27514
|                    | 
|Bradford B. Walters |  | 32 Wedgewood Road                
|                    |  | Chapel Hill, North Carolina 27514
|                    | 
|Nikola Stefanovic   |  | 5630 West Market Street          
|                    |  | Apartment H                      
|                    |  | Greensboro, North Carolina 27409 

The number of members of
the Board of Directors shall not be less than one nor more than thirteen.

SIXTH

The capital stock, after the amount of the subscription price, or par value, has been paid in shall not be subject to assessment to pay the debts of the
corporation.

SEVENTH

The name and addresses of each of the incorporators signing the Articles of Incorporation are as follows:



|                 |  |                          
|---------------- |  | -------------------------
|NAME             |  | POST-OFFICE ADDRESS      
|Conrad C. Lysiak |  | 601 West First Avenue    
|                 |  | Suite 503                
|                 |  | Spokane, Washington 99201



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EIGHTH

The corporation is to have perpetual existence.

NINTH

In furtherance, and not in limitation of the powers conferred by statute, the board of directors is expressly authorized:

Subject to the bylaws, if any, adopted by the stockholders, to make, alter or amend the bylaws of the corporation.

To fix the amount to be reserved as working capital over and above its capital stock paid in, to authorize and cause to be executed mortgages and liens
upon the real and personal property of this corporation.

By resolution passed by a majority of the whole board, to designate one (1) or
more committees, each committee to consist of one (1) or more of the directors of the corporation, which, to the extent provided in the resolution or in the bylaws of the corporation, shall have and may exercise the powers of the board of
directors in the management of the business and affairs of the corporation, and may authorize the seal of the corporation to be affixed to all papers which may require it. Such committee or committees shall have such name or names as may be stated
in the bylaws of the corporation or as may be determined from time to time by resolution adopted by the board of directors.

When and as
authorized by the affirmative vote of stockholders holding stock entitling them to exercise at least a majority of the voting power given at a stockholders meeting called for that purpose, or when authorized by the written consent of the
holders of at least a majority of the voting stock issued and outstanding, the board of directors shall have power and authority at any meeting to sell, lease or exchange all of the property and assets of the corporation, including its good will and
its corporate franchises, upon such terms and conditions as its board of directors deem expedient and for the best interests of the corporation.



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TENTH

Meeting of stockholders may be held outside the State of Nevada, if the bylaws so provide. The books of the corporation may be kept (subject to any provision contained in the statutes) outside the State
of Nevada at such place or places as may be designated from time to time by the board of directors or in the bylaws of the corporation.

ELEVENTH

This corporation reserves the right to amend alter, change or repeal any
provision contained in the Articles of Incorporation, in the manner now or hereafter prescribed by statute, or by the Articles of Incorporation, and all rights conferred upon stockholders herein are granted subject to this reservation.

TWELFTH

The corporation
shall indemnify its officers, directors, employees and agents to the full extent permitted by the laws of the State of Nevada.

I, THE
UNDERSIGNED, being the incorporator hereinbefore named, for the purpose of forming a corporation pursuant to the General Corporation Law of the State of Nevada, do make and file these Articles of Incorporation, hereby declaring and certifying that
the facts herein stated are true, and accordingly have hereunto set my hand this 24th day of March, 2003.



/s/ Conrad C. LysiakCONRAD C. LYSIAK




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|                    |  |   |  |    
|------------------- |  | - |  | ---
|STATE OF WASHINGTON |  | ) |  |    
|                    |  | ) |  | SS.
|COUNTY OF SPOKANE   |  | ) |  |    

On ths 24thday of March, 2003, before me, a Notary Public, personally appeared CONRAD C. LYSIAK, who severally acknowledged that
he executed the above instrument.



/s/ Natasha Spirit LysiakNotary Public, residing in the State of Washington, residing in Spokane.




|                       |  |               
|---------------------- |  | --------------
|My Commission Expires: |  |               
|                       | 
|September 18, 2004     |  | [Notary Stamp]



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|     |  |                                                                                       |  |                                                                                                  
|---- |  | ------------------------------------------------------------------------------------- |  | -------------------------------------------------------------------------------------------------
|LOGO |  | Filed in the office of
/s/ Ross Miller
Ross Miller
Secretary of State
State of Nevada |  | Document Number
20100747316-61  Filing Date and Time 10/04/2010 2:20 PM
 Entity Number C7829-2003



|                                                    |  | 
|--------------------------------------------------- |  | 
|Articles of Merger (PURSUANT TO NRS 92A.200) Page 1 |  | 

|                                      |  |                                   
|------------------------------------- |  | ----------------------------------
|                                      | 
|USE BLACK INK ONLY  DO NOT HIGHLIGHT |  | ABOVE SPACE IS FOR OFFICE USE ONLY

Articles of Merger

(Pursuant to NRS Chapter 92A  excluding
92A.200(4b))



|1) | Name and jurisdiction of organization of each constituent entity (NRS 92A.200):
|-- | -------------------------------------------------------------------------------



| |  ̈ | If there are more than four merging entities, check box and attach an 81/2 x 11 blank sheet containing the required information
for each additional entity from article one.
| | - | ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------



|                                   |  |              
|---------------------------------- |  | -------------
|InVivo Therapeutics Holdings Corp.
|Name of merging entity             |  |              
|                                   | 
|Nevada                             |  | Corporation  
|Jurisdiction                       |  | Entity Type *
|                                   | 
|Name of merging entity             |  |              
|                                   | 
|Jurisdiction                       |  | Entity Type *
|                                   | 
|Name of merging entity             |  |              
|                                   | 
|Jurisdiction                       |  | Entity Type *
|                                   | 
|Name of merging entity             |  |              
|                                   | 
|Jurisdiction                       |  | Entity Type *
|and,                               |  |              
|Design Source, Inc.                |  |              
|Name of surviving entity           |  |              
|Nevada                             |  | Corporation  
|Jurisdiction                       |  | Entity Type *



|* | Corporation, non-profit corporation, limited partnership, limited-liability company or business trust.
|- | ------------------------------------------------------------------------------------------------------

Filing Fee: $350.00



This form must be
accompanied by appropriate fees.

Nevada Secretary of State 92A Merger Page 1

Revised: 9-20-10



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LOGO



|                                                    |  |                                   
|--------------------------------------------------- |  | ----------------------------------
|Articles of Merger (PURSUANT TO NRS 92A.200) Page 2 |  |                                   
|USE BLACK INK ONLY  DO NOT HIGHLIGHT               |  | ABOVE SPACE IS FOR OFFICE USE ONLY



|2) | Forwarding address where copies of process may be sent by the Secretary of State of Nevada (if a foreign entity is the survivor in the merger - NRS 92A.1 90):
|-- | --------------------------------------------------------------------------------------------------------------------------------------------------------------

Attn:

c/o:



|3) | (Choose one)
|-- | ------------



| |  ̈ | The undersigned declares that a plan of merger has been adopted by each constituent entity (NRS 92A.200).
| | - | ---------------------------------------------------------------------------------------------------------



| | x | The undersigned declares that a plan of merger has been adopted by the parent domestic entity (NRS 92A.180)
| | - | -----------------------------------------------------------------------------------------------------------



|4) | Owners approval (NRS 92A.200) (options a, b, or c must be used, as applicable, for each entity)
|-- | ------------------------------------------------------------------------------------------------



| |  ̈ | if there are more than four merging entities, check box and attach an 81/2 x 11 blank sheet containing the required information
for each additional entity from the appropriate section of article four.
| | - | ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------

(a) Owners approval was not required from

InVivo Therapeutics Holdings Corp.

Name of merging entity, if applicable

Name of merging entity, if applicable

Name of merging entity, if applicable

Name of merging entity, if applicable

and, or;

Design Source, Inc.

Name of surviving entity, if applicable



This form must be
accompanied by appropriate fees.

Nevada Secretary of State 92A Merger Page 2

Revised: 9-20-10



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LOGO



|                                                    |  |                                   
|--------------------------------------------------- |  | ----------------------------------
|Articles of Merger (PURSUANT TO NRS 92A.200) Page 3 |  |                                   
|USE BLACK INK ONLY  DO NOT
HIGHLIGHT               |  | ABOVE SPACE IS FOR OFFICE USE ONLY

(b) The
plan was approved by the required consent of the owners of *:

Name of merging entity, if applicable

Name of merging entity, if applicable

Name of merging entity, if applicable

Name of merging entity, if applicable

and, or;

Name of surviving entity, if
applicable



|* | Unless otherwise provided in the certificate of trust or governing instrument of a business trust, a merger must be approved by all the trustees and beneficial owners
of each business trust that is a constituent entity in the merger.
|- | -----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------



This form must be
accompanied by appropriate fees.

Nevada Secretary of State 92A Merger Page 3

Revised: 9-20-10



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LOGO



|                                                    |  |                                   
|--------------------------------------------------- |  | ----------------------------------
|Articles of Merger (PURSUANT TO NRS 92A.200) Page 4 |  |                                   
|                                                    | 
|USE BLACK INK ONLY  DO NOT HIGHLIGHT               |  | ABOVE SPACE IS FOR OFFICE USE ONLY

(c) Approval of plan of merger for Nevada non-profit corporation (NRS 92A.160):

The plan of merger has been approved by the directors of the corporation and by each public officer or other person whose approval of the plan of merger is required by the articles of incorporation of the
domestic corporation.

Name of merging entity, if applicable

Name of merging entity, if applicable

Name of merging entity, if applicable

Name of merging entity, if applicable

and, or;

Name of surviving entity, if applicable



This form must be
accompanied by appropriate fees.

Nevada Secretary of State 92A Merger Page 4

Revised: 9-20-10



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LOGO



|                                                    |  |                                   
|--------------------------------------------------- |  | ----------------------------------
|Articles of Merger (PURSUANT TO NRS 92A.200) Page 5 |  |                                   
|                                                    | 
|USE BLACK INK ONLY  DO NOT HIGHLIGHT               |  | ABOVE SPACE IS FOR OFFICE USE ONLY



|5) | Amendments, if any, to the articles or certificate of the surviving entity. Provide article numbers, if available. (NRS 92A.200)*:
|-- | ----------------------------------------------------------------------------------------------------------------------------------

Article One of the Articles of Incorporation of Design Source, Inc. is hereby amended to change the name of the Corporation to InVivo Therapeutics
Holdings Corp.



|6) | Location of Plan of Merger (check a or b):
|-- | ------------------------------------------



| |  ̈ | (a) The entire plan of merger is attached;
| | - | ------------------------------------------

or,



| | x | (b) The entire plan of merger is on file at the registered office of the surviving corporation, limited-liability company or business trust, or at the records office
address if a limited partnership, or other place of business of the surviving entity (NRS 92A.200).
| | - | -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------



|7) | Effective date (optional)**:
|-- | ----------------------------



|* | Amended and restated articles may be attached as an exhibit or integrated into the articles of merger. Please entitle them Restated or Amended and
Restated, accordingly. The form to accompany restated articles prescribed by the secretary of state must accompany the amended and/or restated articles. Pursuant to NRS 92A.180 (merger of subsidiary into parent - Nevada parent owning 90% or
more of subsidiary), the articles of merger may not contain amendments to the constituent documents of the surviving entity except that the name of the surviving entity may be changed.
|- | ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------

|** | A merger takes effect upon filing the articles of merger or upon a later date as specified in the articles, which must not be more than 90 days after the articles are
filed (NRS 92A.240).
|-- | -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------



This form must be
accompanied by appropriate fees.

Nevada Secretary of State 92A Merger Page 5

Revised: 9-20-10



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LOGO



|                                                    |  |                                   
|--------------------------------------------------- |  | ----------------------------------
|Articles of Merger (PURSUANT TO NRS 92A.200) Page 6 |  |                                   
|                                                    | 
|USE BLACK INK ONLY  DO NOT HIGHLIGHT               |  | ABOVE SPACE IS FOR OFFICE USE ONLY



|8) | Signatures· Must be signed by: An officer of each Nevada corporation; All general partners of each Nevada limited partnership; All general partners of each
Nevada limited-liability limited partnership; A manager of each Nevada limited-liability company with managers or one member if there are no managers; A trustee of each Nevada business trust (NRS 92A.230)*
|-- | -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------



| |  ̈ | if there are more than four merging entities, check box and attach an 81/2 x 11 blank sheet containing the required information
for each additional entity from article eight:
| | - | --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------



|                                  
|----------------------------------
|InVivo Therapeutics Holdings Corp.

Name of
merging entity



|                         |  |                         |  |                 |  | 
|------------------------ |  | ----------------------- |  | --------------- |  | 
|X  /s/ Peter A. Reichard |  | Chief Executive Officer |  | October 4, 2010 |  | 
|Signature                |  | Title                   |  | Date            |  | 

Name of merging entity



|          |  |       |  |      |  | 
|--------- |  | ----- |  | ---- |  | 
|X         |  |       |  |      |  | 
|Signature |  | Title |  | Date |  | 

Name of merging entity



|          |  |       |  |      |  | 
|--------- |  | ----- |  | ---- |  | 
|X         |  |       |  |      |  | 
|Signature |  | Title |  | Date |  | 

Name of merging entity



|          |  |       |  |      |  | 
|--------- |  | ----- |  | ---- |  | 
|X         |  |       |  |      |  | 
|Signature |  | Title |  | Date |  | 

Design Source, Inc.

Name of surviving entity



|                         |  |                         |  |                 |  | 
|------------------------ |  | ----------------------- |  | --------------- |  | 
|X  /s/ Peter A. Reichard |  | Chief Executive Officer |  | October 4, 2010 |  | 
|Signature                |  | Title                   |  | Date            |  | 



|* | The articles of merger must be signed by each foreign constituent entity in the manner provided by the law governing it (NRS 92A.230). Additional signature blocks may
be added to this page or as an attachment, as needed.
|- | ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------

IMPORTANT: Failure to include any of the above information and submit
with the proper fees may cause this filing to be rejected.



This form must be
accompanied by appropriate fees.

Nevada Secretary of State 92A Merger Page 6

Revised: 9-20-10