Exhibit 4.1


 


NUMBER UNITS


U-


 


SEE REVERSE FOR CERTAIN DEFINITIONS


 


CUSIP 519345 201


 


LAVA MEDTECH ACQUISITION CORP.


 


UNITS CONSISTING OF ONE SHARE OF CLASS A
COMMON STOCK AND ONE-HALF OF ONE REDEEMABLE WARRANT TO PURCHASE ONE SHARE OF CLASS A COMMON STOCK


 


THIS CERTIFIES THAT [__] is the owner of Units.


 


Each Unit (“Unit”)
consists of one (1) share of Class A common stock, par value $0.0001 per share (“Common Stock”), of
LAVA Medtech Acquisition Corp., a Delaware corporation (the “Company”), and one-half (1/2) of one redeemable
warrant (each whole warrant, a “Warrant”). Each whole Warrant entitles the holder to purchase one (1) share
(subject to adjustment) of Common Stock for $11.50 per share (subject to adjustment). Each Warrant will become exercisable thirty (30)
days after the Company’s completion of a merger, capital stock exchange, asset acquisition, stock purchase, reorganization or other
similar business combination with one or more businesses (each a “Business Combination”) and will expire unless
exercised before 5:00 p.m., New York City Time, on the date that is five (5) years after the date on which the Company completes
its initial Business Combination, or earlier upon redemption or liquidation (the “Expiration Date”). The Common
Stock and Warrants comprising the Units represented by this certificate are not transferable separately prior to [__], 2021, unless RBC
Capital Markets, LLC elects to allow separate trading earlier, subject to the Company’s filing of a Current Report on Form 8-K
with the Securities and Exchange Commission containing an audited balance sheet reflecting the Company’s receipt of the gross proceeds
of its initial public offering and issuing a press release announcing when separate trading will begin. No fractional warrants will be
issued upon separation of the Units. The terms of the Warrants are governed by a Warrant Agreement, dated as of [__], 2021, between the
Company and Continental Stock Transfer & Trust Company, as Warrant Agent, and are subject to the terms and provisions contained
therein, all of which terms and provisions the holder of this certificate consents to by acceptance hereof. Copies of the Warrant Agreement
are on file at the office of the Warrant Agent at 1 State Street, 30th Floor, New York, New York 10004, and are available to any Warrant
holder on written request and without cost.


 


Upon the consummation of
the Business Combination, the Units represented by this certificate will automatically separate into shares of Common Stock and Warrants
comprising such Units.


 


This certificate is not valid
unless countersigned by the Transfer Agent and Registrar of the Company.


 


This certificate shall be
governed by and construed in accordance with the internal laws of the State of New York.


 


Witness the facsimile signature of its duly authorized
officers.


 


	
    __________________________

    Secretary
	 	
    __________________________

    Chief Financial Officer



 






     


     


    

 


LAVA MEDTECH ACQUISITION CORP.


 


The Company will furnish
without charge to each unitholder who so requests, a statement of the powers, designations, preferences and relative, participating, optional
or other special rights of each class of stock or series thereof of the Company and the qualifications, limitations, or restrictions of
such preferences and/or rights.


 


The following abbreviations, when used in the
inscription on the face of this certificate, shall be construed as though they were written out in full according to applicable laws or
regulations:


 


	TEN COM	 	–	as tenants in common	 	UNIF GIFT MIN ACT	 	–	 	 	Custodian	 	 
	TEN ENT	 	–	as tenants by the

entireties	 	 	 	 	(Cust)	 	 	 	(Minor)
	JT TEN	 	–	as joint tenants with

right of survivorship

and not as tenants in

common	 	 	 	 	under Uniform Gifts to Minors Act
	 	 	 	 	 	 	(State)	 	 
	 	 	 	 	 	 	 	 	 	 	 	 


 


Additional abbreviations may also be used though
not in the above list.


 


	For value received, [__] hereby sell, assign and transfer unto [__]
	 
	PLEASE INSERT SOCIAL SECURITY OR OTHER IDENTIFYING NUMBER OF ASSIGNEE
	 
	 
	(PLEASE PRINT OR TYPEWRITE NAME AND ADDRESS, INCLUDING ZIP CODE, OF ASSIGNEE)
	 
	
     

    [__] Units represented by the within Certificate, and do hereby
    irrevocably constitute and appoint [__]

	 
	Attorney to transfer the said Units on the books of the within named Company with full power of substitution in the premises.
	 
	
    Dated

     

	 	 	 
	 	 	Notice: The signature to this assignment must correspond with the name as written upon the face of the certificate in every particular, without alteration or enlargement or any change whatever.
	
     

     

    Signature(s) Guaranteed:
	 	 
	 	 	 
	THE SIGNATURE(S) MUST BE GUARANTEED BY AN ELIGIBLE GUARANTOR INSTITUTION (BANKS, STOCKBROKERS, SAVINGS AND LOAN ASSOCIATIONS AND CREDIT UNIONS WITH MEMBERSHIP IN AN APPROVED SIGNATURE GUARANTEE MEDALLION PROGRAM, PURSUANT TO S.E.C. RULE 17Ad-15 (OR ANY SUCCESSOR RULE).	 	 


 






     


     


    

 


In each case, as more fully
described in the Company’s final prospectus dated [__], 2021, the holder(s) of this certificate shall be entitled to receive
a pro-rata portion of certain funds held in the trust account established in connection with its initial public offering only in the event
that (i) the Company redeems the shares of Common Stock sold in its initial public offering and liquidates because it does not consummate
an initial business combination by the date set forth in the Company’s amended and restated certificate of incorporation, (ii) the
Company redeems the shares of Common Stock sold in its initial public offering in connection with a stockholder vote to amend the Company’s
amended and restated certificate of incorporation (A) to modify the substance or timing of the Company’s obligation to allow
redemption in connection with the Company’s initial business combination or to redeem 100% of the Common Stock if it does not consummate
an initial business combination by the date set forth in the Company’s amended and restated certificate of incorporation or (B) with
respect to any other provision relating to the rights of holders of the Common stock or pre-initial Business Combination activity or (iii) if
the holder(s) seek(s) to redeem for cash his, her or its respective shares of Common Stock in connection with a tender offer
(or proxy solicitation, solely in the event the Company seeks stockholder approval of the proposed initial business combination) setting
forth the details of a proposed initial business combination. In no other circumstances shall the holder(s) have any right or interest
of any kind in or to the trust account.