Tuttlingen, Germany
Tuttlingen, Germany

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Patent
Aesculap AG | Date: 2016-10-11

The invention relates to a knee joint endoprosthesis has a tibia part, a femur part, a meniscus part arranged on the tibia part in mutually non-rotatable manner and a connecting device for connecting the tibia part to the femur part in articulated manner. Said femur part comprises at least one femur condyle having a femur condyle surface. Said meniscus part comprises at least one upper surface which faces the femur part and has at least one meniscus joint surface which touches the femur condyle surface of the at least one femur condyle. Said femur part and the tibia part are mounted such as to be rotatable relative to each other about a rotational axis.


Patent
Aesculap AG | Date: 2016-11-15

The present invention relates to a connection element for a spine stabilization system comprises a first end for fixing to a first bone fixation device, a second end for fixing to a second bone fixation device and an intermediate portion arranged or formed between the two ends and defining a longitudinal axis. At least one of the two ends takes the form of a coupling element for fixing the connection element to a bone fixation device in at least one defined orientation relative to the longitudinal axis. The coupling element has a shape other than a circular cylinder.


Patent
Aesculap AG | Date: 2016-11-08

A surgical system for connecting body tissue is provided. The surgical system includes a surgical instrument having two tool elements movable relative to each other, each of which comprises a high-frequency electrode. The high-frequency electrodes, in an approach position of the tool elements, define a minimum distance from each other, lying opposite each other and facing each other. The instrument has a shaft at the distal end of which at least a first one of the tool elements is arranged or formed. A second tool element is movable from an operating position, in which it is adapted for movement into the approach position, into a removal position and/or vice versa. A surface area of a perpendicular projection of the second tool element onto a projection plane extending perpendicularly to a shaft direction in a region of the second tool element is smaller in the removal position than in the operating position.


Patent
Aesculap AG | Date: 2016-11-22

The invention relates to a medical system, in particular for implanting a knee joint endoprosthesis, comprises at least one medical referencing unit whose position in space is detectable using a surgical navigation system. The referencing unit comprises at least one surgical marker element that is arranged or formed on a carrier element and is detectable using a detection device of the surgical navigation system. The at least one referencing unit comprises a base body that carries the carrier element. The base body comprises at least one patient-specific bone contact face faces away from the base body and deviates from being a sector of a surface of a sphere and from being a planar surface. The at least one bone contact face is formed in a manner corresponding to a bone surface of the patient.


Patent
Aesculap AG | Date: 2017-03-01

The disclosed subject matter relates a spinal interbody device (1500) comprising a front surface (1502); a rear surface (1508) substantially opposed to the front surface; an upper surface (1506) connected to the front and rear surfaces; a lower surface (1504) opposed to the upper surface and connected to each of the front and rear surfaces; at least one opening (1720) formed at the front surface, the opening extending through the interbody device; at least one projection (1602), preferably including a bulb and a columnar structure extending from the bulb; and a drive mechanism (1705) disposed adjacent the at least one opening and configured to move the at least one projection so that the projection moves through at least one of the upper surface or the lower surface.


Patent
Aesculap AG | Date: 2017-03-01

The disclosed subject matter relates a medical instrument (100) having a rotational drive mechanism that can be integrated into a variety of medical devices, including a tool used as an external retaining ring removal tool or as a non-marring bushing inserter, or in a spinal interbody device (1500). The tool can include a knob portion (110) at a proximal end and a drive mechanism at the distal end. The drive mechansim can include a plurality of drive pins (150) that can be actuated to extend outward by rotating the knob portion. The spinal interbody device can include a drive mechanism configured to translate rotational motion into a linear driving motion to cause locking projections (1602) to move into engagement with vertebrae.


Patent
Aesculap AG | Date: 2017-04-12

What is proposed to improve a medical system, in particular for implantation into a knee joint endoprosthesis, comprising at least one medical referencing unit, the position of which in space is detectable using a surgical navigation system, which referencing unit comprises at least one surgical marker element, which is arranged or embodied on a carrier element and which is detectable by a detection device of the surgical navigation system, which at least one referencing unit comprises a main body which carries the support element, in such a way that the use thereof is simplified is that the main body has at least one patient-individual bone attachment face which faces away from the main body and deviates from a spherical surface portion and deviates from a plane surface and which is formed in a manner corresponding to a bone surface of the patient.


Patent
Aesculap AG | Date: 2017-01-11

The invention relates to a surgical handheld instrument (1) for grasping an object, comprising: two lever elements (2), each of them with a grip portion (3) and a jaw portion (4), a lever joint (5) which connects the two lever elements rotatably to each other between their grip portion and branch portion, wherein each of the two grip portions is adjoined by a respective spring portion (6) for connecting the two grip portions, such that the two lever elements (2) are held resiliently in an open position. To create an easily manageable, elegant and releasable connection for spring ends on surgical instruments, the handheld instrument comprises a hinge pin (9) fixedly connected thereto at a free end (7) of one spring portion and a bearing eye (10) fixedly connected to said handheld instrument at a free end (7) of the other spring portion, wherein the bearing eye has a longitudinal slit (11) for radial insertion of the hinge pin (9) into the bearing eye (10).


Patent
Aesculap AG | Date: 2016-05-09

The present invention relates to a medical instrumentation for implanting an acetabular cup, comprising at least one medical guiding instrument for a first reaming tool, wherein the guiding instrument comprises a shaped body, wherein the shaped body has a patient-specific bone abutment surface facing in the distal direction and deviating from a spherical surface section, wherein the bone abutment surface is shaped so as to correspond or substantially correspond to a bone surface of the patient, and wherein a guiding shaft, defining a longitudinal axis, for guiding the first reaming tool protrudes from the shaped body and faces in the proximal direction.


Patent
Aesculap AG | Date: 2016-03-31

In a first aspect of the invention relates to a medical guide device for working on a bone. This guide device includes a holding arrangement, which is holdable firmly against a bone, for holding the guide device firmly against the bone and a saw template with a guide slot for a saw blade. In an adjustment position, the holding arrangement and the saw template engage with one another and are arranged to be movable in relation to one another. The holding arrangement and the saw template are movable from the adjustment position into a sawing position in which they are held firmly and immovably in relation to one another. Said guide device includes a coupling arrangement for coupling the holding arrangement and the saw template in the adjustment position and in the sawing position.

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