US 7,603,788 B2
	Device for adjusting the length of middle ear implants
Heinz Kurz, Dusslingen (Germany); and Uwe Steinhardt, Hirrlingen (Germany)
Assigned to Heinz Kurz GmbH Medizintechnik, Dusslingen (Germany)
Appl. No. 10/579,924 PCT Filed Jun. 29, 2005, PCT No. PCT/EP2005/006972 § 371(c)(1), (2), (4) Date May 19, 2006, PCT Pub. No. WO2006/050761, PCT Pub. Date May 18, 2006.
Claims priority of application No. 20 2004 017 593 U (DE), filed on Nov. 12, 2004.
Prior Publication US 2007/0150057 A1, Jun. 28, 2007
Int. Cl. G01B 5/02 (2006.01); A61B 5/103 (2006.01); A61F 2/18 (2006.01)

U.S. Cl. 33—512  [33/562; 600/587; 623/10]

38 Claims

1. A device for determining a required length of a middle ear prosthesis, comprising a disk-shaped base part to which prosthesis mockups or prostheses of different lengths are fastenable, which, after being detached from said base part, are insertable by an applicator into a middle ear of a patient during an operation for length determination purposes, said base part being provided with accessories for a step selected from the group consisting of measuring, shaping, and both of the middle ear prosthesis to be inserted, said accessories including at least one recess provided on a side selected from the group consisting of a top side, a bottom side, and both of said disk-shaped base part, which has an inner diameter that corresponds to an outer diameter of a head plate of the middle ear prosthesis to be inserted.