Aesculap AG

Tuttlingen, Germany

Aesculap AG

Tuttlingen, Germany
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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: 2017-03-01

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: 2017-05-03

An electrosurgical instrument is disclosed having a jaw part composed of instrument branches which are movable towards each other and on each mutually facing side of which one or more electrode surfaces are arranged/formed, wherein the movement of the instrument branches relative to each other can be limited by at least one proximal spacer acting on proximal end portions of the instrument branches, at least one medial spacer acting on a medial portion, and at least one distal spacer acting on distal end portions of the instrument branches. According to the invention, the proximal and/or the distal spacer are made of electrically non-conductive material and the at least one medial spacer is composed of at least one electrode made of an electrically conductive material and connected electrically conductively to the electrode. Furthermore, the at least one medial spacer interacts with a local insulation component made of a non-conductive material, which insulation component is arranged in an electrically insulating manner on at least one opposite electrode.


Patent
Aesculap AG | Date: 2017-05-10

The present invention relates to a receiving sleeve (1) for surgical instruments, a holding device for storing and cleaning surgical instruments, comprising at least one such receiving sleeve, and a surgical instrument set comprising such a holding device and/or receiving sleeve. The receiving sleeve and the holding device have a light construction which allows the maximum flow of fluid to instruments held in the receiving sleeve or holding device. The receiving sleeve comprises a cylindrical hollow body with a plurality of peripherally spaced inner clamping elements (4) which have punctiform or linear engagement sections that are adjusted to come into contact with an inserted tool (14) in a force-fit or form-fit manner for holding the tool (14) within the receiving sleeve (1) at a radial distance to the cylindrical hollow body.


The invention relates to a jaw piece (1) for a surgical tubular-shaft instrument, comprising a first branch (100) with a first active region (110), and a second branch (200) with a second active region (210). The first branch (100) and/or the second branch (200) each comprise a sliding element (120, 220), and said branches (100, 200) are retained in the axial direction. A cam support component (300) is provided which can be displaced in the axial direction relative to the at least one sliding element (120, 220), said at least one sliding element (120, 220) and cam support component (300) having a substantially planar design and being arranged one over the other in a substantially layered manner. The invention also relates to a corresponding jaw piece (1) and to a method for attaching such a jaw piece (1) to a tubular shaft.


Patent
Aesculap AG | Date: 2017-03-08

In order to improve the mobility of a knee-joint endoprosthesis with a tibia part, a femur part, a meniscus part arranged immovably on the tibia part, and a connection device for hinged connection of the tibia part to the femur part, which femur part has at least one femoral condyle with a femoral condyle surface, which meniscus part has at least one top face directed toward the femur part and having at least one meniscus articulation surface, which contacts the femoral condyle surface of the at least one femoral condyle, it is proposed that the femur part and the tibia part are mounted so as to be rotatable relative to each other about a rotation axis, that the femoral condyle surface of the at least one femoral condyle and the at least one meniscus articulation surface are designed corresponding to each other in such a way that the femoral condyle surface of the at least one femoral condyle defines a segment of a sphere surface or substantially a segment of a sphere surface, and that the at least one meniscus articulation surface is designed as an articulation surface recess, in the form of a curved groove, adapted to the femoral condyle surface.


Patent
Aesculap AG | Date: 2017-03-08

The invention relates to a surgical clip (1) for a surgical clip applicator, said surgical clip having at least one pair of clip arms (2a, 2b, 2c, 2d), wherein each clip arm (2a, 2b, 2c, 2d) has a distal end (3a, 3b, 3c, 3d) and a proximal end (4a, 4b, 4c, 4d). The two clip arms (2a, 2b, 2c, 2d) of a pair of clip arms are connected to each other at the proximal ends (4a, 4b) of said clip arms and form a clip throat (5). A tangent angle () between a tangent (T) to a neutral fiber (6) of a clip arm (2a, 2b, 2c, 2d) and a perpendicular (101) to a longitudinal axis (100) of the clip (1) increases over the entire length (l) of the clip arm (2a, 2b) substantially continuously. The invention further relates to production methods for surgical clips.


Patent
Aesculap AG | Date: 2017-03-08

The present invention relates to a jaw (1) for a surgical tubular shaft instrument, comprising a supporting component (10), a first arm (100) and a second arm (200), the first arm (100) and/or the second arm (200) each having one link element (120, 220). The arms (100, 200) are held by the supporting component (10) in the axial direction. A cam carrier element (300) is axially movable relative to the supporting component (10) and carries at least two cams (321, 322, 323; 331, 332, 333). Each link element (120, 220) is designed to be in contact with at least two cams (321, 322; 331, 332) when there is a relative axial movement between the supporting component (10) and the cam carrier element (300), said cams being provided on the cam carrier element (300), and is further designed to slide off said cams to effect an opening or closing of the jaw (1).


The invention relates to a medical referencing device for a medical navigation system (10), by means of which medical navigation system a motion of a body part (16), in particular of the thigh (16), can be tracked in space by means of the referencing device (18; 100; 120; 130) attached to said body part. According to the invention, in order to provide such a referencing device by means of which position data of the body part can be obtained in a manner that is gentle on the patient, the referencing device comprises a fastening apparatus (20) for non-invasively fastening the referencing device (18; 100; 120; 130) to the body part (16) and by means of a referencing body (38), which extends in a planar manner and can be elastically elongated in at least one direction (34, 36) of the extent and which can be adapted in the shape of said referencing body to the contour of the body part (16) and has a marking region (50; 102; 122; 132), which comprises or forms a pattern (54; 136), wherein the referencing body (38) is designed in such a way that the pattern (54; 136) is undeformed or substantially undeformed at least in some sections when the body part (16) is moved, and wherein, at least in some sections, the pattern (54) can be used by the navigation system (10) as a reference for tracking the body part (16) in space. The invention further relates to a medical navigation system and to a method for tracking a medical referencing device in space by means of a navigation system.


The invention relates to a medical shaft-type instrument (1) comprising an instrument head (3) having a jaw part for applying clamps (8) by means of two jaw-part legs (9, 10) which are moveable in a scissors-like way, wherein the instrument head (3) can be connected via an instrument shaft (4) having an outer tube (5) to an instrument handle (2) inter alia for actuating the jaw part, and comprising a clip magazine (7), in which a retaining rail (12) is fixed for storing a plurality of clamps (8) at a predetermined storage position distance to each other according to the storage principle, wherein all clamps (8) can each be moved forward by one mounting position in the direction of the distal end of the instrument shaft (4) by means of a reciprocating transport and entraining rail (16) within the scope of a single delivery stroke, and of these clamps, the clamp (8) lying closest to the instrument head (3) can be transported by means of a tongue (13) into the jaw part between the jaw-part legs (9, 10), wherein the retaining rail (12) has a support plate or bridge (55) which extends in the distal direction and covers a jaw part region of the one jaw-part leg (9) on the side facing the other jaw-part leg (10) such that a tipping over of an advanced or advanceable clamp (8) on the one jaw-part leg is prevented.

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