Tuttlingen, Germany
Tuttlingen, Germany

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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.


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.


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 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.


The invention relates to a medical shaft-type instrument (1) comprising an instrument head (3) for applying clamps (8), wherein the instrument head (3) can be connected via an instrument shaft (4) to an instrument handle (2) for actuating the instrument head (3), and comprising a clip magazine (7) having a housing (6), in which magazine a plurality of clamps (8) are bunkered at a predetermined storage position spacing to each other according to the storage principle, all the clamps (8) can each be moved forward by one storage position by means of a reciprocating transport and entraining rail (16) within the scope of a single delivery stroke, wherein the transport and entraining rail (16) has one clamp entraining element (38) per clamp (8), wherein the relative distance of the individual clamp entraining elements (38) differs from the respective storage position distances of the clamps (8) in such a way that the entrainment of the bunkered clamps (8) is carried out within the scope of one single delivery stroke in a clocked way.


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: 2017-04-12

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: 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.

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