EXHIBIT 23.1

CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

We consent to the incorporation by reference in Registration Statement No's.
333-61476, 333-97209, 333-129002, and 333-143519 on Form S-8, Post-Effective
Amendment No. 1 to Registration Statement No. 333-107667 on Form S-3, and
Registration Statement No. 333-142400 on Form S-3 of our reports dated February
26, 2008, relating to the consolidated financial statements and consolidated
financial statement schedule of Greatbatch, Inc. and subsidiaries (the
"Company") (which report expressed an unqualified opinion and included an
explanatory paragraph related to the Company's adoption of Statement of
Financial Accounting Standard No. 123 (revised 2004), Share-Based Payment) and
the effectiveness of the Company's internal control over financial reporting
appearing in this Annual Report on Form 10-K of the Company for the year ended
December 28, 2007.


/s/ Deloitte & Touche LLP

Buffalo, New York
February 26, 2008