Aesculap Ag

Tontarra Medizintechnik Gmbh

Michael Benk

Thomas Scholten

Gunnar Wanke

Jörg Hinrich Timmermann

Rainer Wursthorn

Kay Fischer

The invention relates to a shaft for a medical instrument (), in particular a homopolar or bipolar medical instrument, comprising a shaft member () that accommodates a tool () at the distal end, said tool () being provided with a first jaw part () and a second jaw part () which can be moved relative to each other from an open position () into a closed position () by a draw bar/push rod () that is guided inside the shaft member (); at the proximal end, the shaft member () has a connecting piece () for attachment to a manipulating device () that allows the draw bar/push rod () to be moved back and forth; at the distal end, each jaw part () is pivotally guided inside the shaft member () by means of a sliding block ().

Shaft for a medical instrument, and medical instrument, in particular homopolar or bipolar medical instrument

A medical shaft-type instrument includes an instrument head for applying clamps, the instrument head connectable via an instrument shaft to an instrument handle for actuating the instrument head. The instrument also includes a clip magazine having a housing, in which magazine a plurality of clamps are bunkered at a predetermined storage position spacing to each other according to the storage principle. All of the clamps can be moved forward by one storage position by a reciprocating transport and entraining rail within the scope of a single delivery stroke. The transport and entraining rail has one clamp entraining element per clamp. The relative distance of the individual clamp entraining elements differs from the respective storage position distances of the clamps in such a way that the entrainment of the bunkered clamps is carried out within the scope of one single delivery stroke in a clocked way.

Medical shaft-type instrument with different storage position distances due to clamp entraining elements and/or retaining lugs for clamps

A medical shaft instrument includes an instrument head with at least one jaw member for applying clamps with two jaw member branches. The instrument head is connectable over an instrument shaft having an outer tube with a handle for actuation of the jaw member. A clip magazine includes a retaining rail for supporting clamps in a predetermined storage position distance from each other. All the clamps are advanceable by a forth and back movable conveying and advancing rail. The clamp closest to the instrument head is conveyable by a tongue into the jaw member between the jaw member branches. The retaining rail has a distally extending support plate or bridge, which covers a jaw member region of a jaw member branch on the other jaw member branch facing side such that a tipping of an advanced or advanceable clamp on the jaw member branch is prevented.

Medical shaft-type instrument with a support plate/bridge on the retaining rail

The invention relates to a medical instrument for severing connecting rods, in particular, of implanted spinal column stabilization systems, which comprises a first cutting element and a second cutting element which are pivotal relative to each other about a pivotal axis, a first handle element and a second handle element which are moveable relative to each other, and a force transmission device which is coupled to the first and the second handle element on the one hand and to the first and the second cutting element on the other for the purposes of transferring an actuating force from the first and second handle element to the first and second cutting element.

Growing community of inventors

Wurmlingen, Germany

Michael Benk