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Property and Equipment, net
 9 Months Ended
Sep. 30, 2025
Property, Plant and Equipment [Abstract]  
Property and Equipment, net

4. Property and Equipment, net

Property and equipment, net consist of the following (in thousands, except as indicated):

 

 

 

Useful lives
(in years)

 

September 30,
2025

 

 

December 31,
2024

 

Surgical instruments

 

4

 

$

302,195

 

 

$

283,597

 

Machinery and equipment

 

7

 

 

13,076

 

 

 

12,710

 

Computer equipment

 

8

 

 

32,180

 

 

 

32,082

 

Office furniture and equipment

 

5

 

 

6,518

 

 

 

6,759

 

Leasehold improvements

 

various

 

 

4,383

 

 

 

4,321

 

Construction in progress

 

n/a

 

 

502

 

 

 

541

 

 

 

 

 

 

358,854

 

 

 

340,010

 

Less: accumulated depreciation
   and amortization

 

 

 

 

(220,628

)

 

 

(183,616

)

Property and equipment, net

 

 

 

$

138,226

 

 

$

156,394

 

 

Total depreciation and amortization expense was $14.9 million and $45.7 million for the three and nine months ended September 30, 2025, respectively. Total depreciation and amortization expense was $16.5 million and $46.0 million for the three and nine months ended September 30, 2024, respectively. Construction in progress is not depreciated until placed in service. Property and equipment, net includes assets under financing leases and the related amortization of assets under financing leases is included in depreciation expense.