Abstract: In order to improve a surgical sealing element holder for holding a surgical sealing element of a surgical sealing system comprising a trocar with a trocar sleeve, the sealing element having an insertion opening which can be widened, such that a sealing element of the sealing system can be replaced in a simple and reliable manner and it is ensured that sealing in relation to a channel of the trocar sleeve is perfect at all times it is suggested that a holder sealing element be provided for sealing the sealing element holder with respect to an inner wall surface of the trocar sleeve. In addition, an improved surgical sealing system is suggested.

Abstract: In a surgical obturator with a tubular housing, with a blade carrier displaceable in the tubular housing in the longitudinal direction between an advanced cutting position and a retracted protected position, a blade with a cutting edge being held on the blade carrier, the cutting edge being guided in a correspondingly extending guide of the tubular housing, with a protective cap engaging over the blade and being displaceable in the tubular housing in the longitudinal direction between an advanced rest position in which the blade is completely covered in its protected position and a retracted work position, the protective cap having a slit through which the cutting edge of the blade passes and, in the work position of the protective cap, projects over the latter, and with a retracting device arranged in the tubular housing and displacing the blade from the cutting position to the protected position, the retracting device being activatable by displacement of the protective cap from the work position to the rest

Abstract: In a surgical obturator for piercing a body wall, comprising a tubular housing that at one end forms an introduction tip with a continuously decreasing diameter, and comprising a blade projecting from the introduction tip for making an incision in the body wall, in order to reduce the risk of injury during piercing of the body wall it is proposed that the introduction tip comprises a central protective cap, which is displaceable in longitudinal direction relative to the introduction tip between an advanced inoperative position and a retracted working position, that the blade in the housing is displaceable in longitudinal direction between an advanced cutting position and a retracted protected position, that disposed in the housing is a retraction device that displaces the blade from the cutting position into the protected position, and that the retraction device may be activated by a displacement of the protective cap from the working position into the inoperative position.

Abstract: To enable puncture of a body wall with a greater degree of sensitivity with a surgical obturator for puncturing the body wall having a knife, the cutting edge of which extends outwards from a tip of the obturator in the direction of various sides and backwards in relation to the tip, and which is orientated throughout its entire length parallel to the puncturing direction, so that the cutting edge points in the puncturing direction, it is proposed that the cutting edge be of helical line-shaped configuration.

Abstract: In order to improve a surgical sealing element, in particular, for a trocar and/or for sealing shafts of elongated surgical instruments during insertion into a human or animal body, wherein the sealing element defines a longitudinal axis, is provided with an opening, which is variable in diameter and is oriented transversely or essentially transversely to the longitudinal axis and through which an instrument can be inserted, and comprises a flexible wall which is closed annularly, wherein the wall has a first and a second edge each closed upon itself and wherein the first edge limits the opening, such that all instruments currently available can be reliably sealed irrespective of the diameter of their instrument shaft it is suggested that the wall be foldable in a wave-like manner and in a sealing position be folded in a wave-like manner without kinks with fold lines extending in the direction towards the first edge in such a manner that the first edge defines a wave line which is located entirely on a cylind

Abstract: In order to improve a surgical instrument having at least one tool comprising a carrier and at least one functional component adhesively bonded to the carrier, in such a way that the carrier can be easily and securely adhesively bonded to the functional component, whilst maintaining the desired function of the instrument, it is proposed that the carrier comprise a first contact surface, that the functional component comprise a second contact surface, and that the first contact surface bear on the second contact surface without any gap therebetween.

Abstract: In order to improve surgical scissors with two scissor blades mounted for pivotal movement relative to each other about a pivot axis and having one cutting edge each, the scissor blades having proximally of the pivot axis one sliding surface area each, the sliding surface areas sliding along each other and the scissor blades contacting each other distally of the pivot axis at a moving point of contact of the cutting edges sliding along each other when the scissors are opened and closed, and at least one of the cutting edges being provided with a hard material coating, so that their service life is further increased, it is proposed that at least one of the two sliding surface areas have a first hard material coating-free surface. A method for the manufacture of surgical scissors is also proposed.

Abstract: An instrument for placing U-shaped surgical clips comprising a magazine that has a distal and a proximal end in which several clips are arranged one behind the other in a guide that can be pushed in longitudinal direction. On the lower side of the magazine, a feeding plate which by means of flexible lugs is in contact with the back sides of the clips and can be pushed forwards and backwards by means of a pushing device over at least a distance between one clip and the next clip parallel to the guide of the magazine is provided. The movement of pushing forward shifts all the clips in the direction of the distal end of the magazine. When the feeding plate is pushed forwards, the pushing device contacts said feeding plate at a point which is at a distance of at least half a length of the feeding plate away from the proximal end of the feeding plate.

Abstract: In order to improve a surgical instrument having at least one tool comprising a carrier and at least one functional component adhesively bonded to the carrier, in such a way that the carrier can be easily and securely adhesively bonded to the functional component, whilst maintaining the desired function of the instrument, it is proposed that the carrier comprise a first contact surface, that the functional component comprise a second contact surface, and that the first contact surface bear on the second contact surface without any gap therebetween.

Abstract: In a bipolar grasping instrument with two clamping jaws movable relative to each other, electrically isolated from one another and each connectable to a pole of an electric high-frequency voltage source, each of the clamping jaws comprising two clamping elements arranged in spaced relation to one another, forming between them a longitudinal slot and each having a clamping surface, and with a cutting device comprising a cutting element displaceable in the longitudinal slots of the clamping jaws and having a cutting edge, in order to improve the design of the drive mechanism and the operability, it is proposed that the cutting element be arranged in the longitudinal slot of the one clamping jaw such that its cutting edge is contained in the longitudinal slot between the clamping elements of this clamping jaw and does not extend beyond its clamping surfaces in the direction towards the other clamping jaw, and that the clamping elements of this clamping jaw be elastically movable relative to the cutting element o

Abstract: In order to improve the cutting properties of surgical bipolar scissors with two scissor blades pivotable relative to each other, the first of which consists of an electrically conductive material and the second of an electrically insulating material on the side thereof facing the first scissor blade, but of an electrically conductive material on the side facing away from the first scissor blade, it is proposed that the second scissor blade comprise a ceramic shaped body in the form of a complete scissor blade which extends beyond a bearing point of the two scissor blades, that a metallic support blade which similarly extends beyond the bearing point rest against the outer side of the shaped body over the surface thereof, and that the shaped body and the support blade be permanently connected to each other at their contact surface.

Abstract: In a bipolar grasping instrument with two clamping jaws movable relative to each other, electrically isolated from one another and each connectable to a pole of an electric high-frequency voltage source, each of the clamping jaws comprising two clamping elements arranged in spaced relation to one another, forming between them a longitudinal slot and each having a clamping surface, and with a cutting device comprising a cutting element displaceable in the longitudinal slots of the clamping jaws and having a cutting edge, in order to improve the design of the drive mechanism and the operability, it is proposed that the cutting element be arranged in the longitudinal slot of the one clamping jaw such that its cutting edge is contained in the longitudinal slot between the clamping elements of this clamping jaw and does not extend beyond its clamping surfaces in the direction towards the other clamping jaw, and that the clamping elements of this clamping jaw be elastically movable relative to the cutting element o

Abstract: An instrument for placing U-shaped surgical clips comprising a magazine that has a distal and a proximal end in which several clips are arranged one behind the other in a guide that can be pushed in longitudinal direction. On the lower side of the magazine, a feeding plate which by means of flexible lugs is in contact with the back sides of the clips and can be pushed forwards and backwards by means of a pushing device over at least a distance between one clip and the next clip parallel to the guide of the magazine is provided. The movement of pushing forward shifts all the clips in the direction of the distal end of the magazine. When the feeding plate is pushed forwards, the pushing device contacts said feeding plate at a point which is at a distance of at least half a length of the feeding plate away from the proximal end of the feeding plate.

Abstract: In order to be able to simplify the construction of a magazine for a surgical clip applicator comprising a receiving chamber for clips which are arranged one behind the other, are displaceable in the receiving chamber towards its open end and have two arms connected via a bridge and pivotable away from one another into an open position contrary to an elastic force and projections associated with these arms and projecting rearwards beyond the bridge, and comprising two opening tools which are located opposite one another, are movable towards one another like pincers and can be abutted on the projections of the respectively foremost clip, it is suggested that the opening tools be connected in a hinge-like manner to an advancing element displaceable in the magazine parallel to the direction of displacement of the clips and during its advancing movement in the direction towards the open end of the receiving chamber come to rest on a deflection surface of the magazine and thereby be pivoted inwards transversely to

Abstract: In order to improve the cutting properties of surgical bipolar scissors with two scissor blades pivotable relative to each other, the first of which consists of an electrically conductive material and the second of an electrically insulating material on the side thereof facing the first scissor blade, but of an electrically conductive material on the side facing away from the first scissor blade, it is proposed that the second scissor blade comprise a ceramic shaped body in the form of a complete scissor blade which extends beyond a bearing point of the two scissor blades, that a metallic support blade which similarly extends beyond the bearing point rest against the outer side of the shaped body over the surface thereof, and that the shaped body and the support blade be permanently connected to each other at their contact surface.

Abstract: In a holding device for a surgical instrument comprising a holder for the instrument, in order to enable pivotal movement of the instrument while avoiding simultaneous translational movement, it is proposed that the holder be held by at least two guide rods on a frame, the guide rods being rotably connected to the frame and to the holder, the bearing points of the guide rods on the holder being arranged in spaced relation to one another, and the spacing of the bearing points on the frame being greater than the spacing of the bearing points on the holder.

Abstract: In a clip applicator having a handle, a magazine mountable on the handle and containing a number of clips, and a movable actuating grip on the handle, which is in direct or indirect engagement with a clip advancing device in the magazine when the magazine is mounted on the handle, to ensure that the coupling between the actuating grip on the handle and the clip advancing device in the magazine is in any event successful when mounting the magazine, it is proposed that a locking device be arranged on the handle for locking when in a lock position the actuating grip in an engagement position in which the engagement with the clip advancing device is able to be made upon mounting the magazine and for releasing the actuating grip when in a release position.

Abstract: In the case of a U-shaped surgical clip having two arms that are connected to one another via a deformable web, in order to stabilise the inherently deformable web in the non-deformed state it is proposed that the web bears, at least in some sections, a parallel web which is fixed on either side of the web and which restricts the deformability of the web in the reinforcing section of the web in which the parallel web and web are disposed next to one another.

Abstract: A U-shaped surgical clip having two arms is provided. The arms are connected to one another via a deformable web. In order firstly to increase the application safety and secondly to simplify application, it is proposed that, via the junction point of the arms with the web, the arms comprise rearwardly projecting extensions. Interacting catches are disposed at these extensions and/or at the deformable web. The catches fix the extensions to one another and/or fix the web to these extensions when the web is deformed upon the compression of the arms and is forced against the extensions.

Abstract: In a surgical tubular-shafted instrument comprising a tubular shaft and a gripping part connected thereto, a tool pivotable about an axis of rotation extending transversely to the longitudinal axis of the shaft, and a push element in the shaft, the push element being movable by the gripping part in the longitudinal direction of the shaft and being in engagement with the tool by using projections and recesses arranged in spaced relation to the axis of rotation of the tool such that the tool is pivotable about its axis of rotation upon displacement of the push element, in order to make higher loading possible with small dimensions, it is proposed that a ring-shaped cage be arranged on the push element and surround the axis of rotation of the tool and the point of engagement of the projection and the recess, and the inside wall of the cage carry the projection or the recess of the push element.