QQ461

Partial implant made of titanium, for reconstructing a (partially) destroyed middle ear ossicular chain (chain of sound transmission) between the stapes and the tympanic membrane level in fixed and variable lengths. Fixed - The implant body is a single piece and was made from a single part only, i.e. it has no susceptible material bonding points such as weld seams. The implant can be subdivided into three areas: 1.) the implant bell that is offered in 2 embodiments: Unslitted and slitted; 2.) the implant shaft; 3.) the perforated implant plate. The implant plate can be arranged centrically (round) towards the implant shaft or eccentrically (oval). In the eccentric version (oval), an additional groove has been worked into the plate to improve receiving the malleus handle. Variable - The implant body consists of two parts, a shortenable shaft that is firmly bound to the prosthesis bell, and a prosthesis plate that has been provided with a borehole in its underside. The borehole has been dimensionally designed in such a way that it can receive the shaft after the latter has been adapted lengthwise to the respective situation in the middle ear. The surface of the predefined contact point (upper side of implant plate and inner side of the bell) is roughened in order to facilitate better bonding to the eardrum resp. the stapes head.