EXHIBIT 23.1


CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

We consent to the incorporation by reference in Registration Statement No's.
333-61476 and 333-97209 of Greatbatch, Inc., (the "Company") on Form S-8 and the
Post-Effective Amendment No. 1 on Registration Statement No. 333-107667 of the
Company on Form S-3 of our report relating to the consolidated financial
statements and consolidated financial statement schedule of Greatbatch, Inc.,
dated March 14, 2006 (which report expresses an unqualified opinion and includes
an explanatory paragraph relating to the restatement discussed in Note 2), and
of our report dated March 14, 2006 relating to management's report on the
effectiveness of internal control over financial reporting appearing in this
Annual Report on Form 10-K of Greatbatch, Inc., for the year ended December 30,
2005.

/s/ Deloitte & Touche LLP

Buffalo, New York
March 14, 2006