Abstract: A device for the implantation of electrolytically severable occluding spirals in body cavities or blood vessels comprising a source of electrical power, a cathode, a catheter and an occluding spiral adapted to serve as an anode and able to slide in the catheter in the longitudinal direction, wherein the occluding spiral (3) is designed to be electrolytically corrodible at several spaced apart points so that when in contact with a body fluid one or more variably dimensioned lengths of the occluding spiral (3) may be severed by electrolysis.

Abstract: The invention relates to a device comprising an endovascular implant (1) to be introduced into blood vessels or body cavities of the human or animal body and an insertion aid (2), wherein the implant (1) and the insertion aid (2) being connected to each other via a detachment element (3) which is suitable to be dissolved at least partially after the device has been inserted into the body and in this manner causes the implant (1) to become detached or separated from the insertion aid (2), with said detachment element (3) being made of magnesium, a to magnesium alloy and/or a biodegradable material. Such a device enables particularly short detachment times to be attained.

Abstract: The invention relates to a device for opening occluded blood vessels, comprising a braided structure (2) on a guide wire (1), said braided structure (2) being securely and permanently attached to the guide wire and consisting of a plurality of filaments (4) arranged in a helical manner and at least at the proximal end combined into a bundle, with the braided structure (2) assuming an elongated form of smaller diameter when subjected to external force while when in unstressed state defining a tubular element of larger diameter closed at least at its proximal end, with the device being provided with restraining/bracing fiber elements (9).

Abstract: The invention relates to a medical implant in the form of an elongated helix wherein at least one part of the helix is preformed in such a manner that it has a secondary structure of identically sized loops which it assumes during implantation at the placement site, with said structure in turn forming at the placement site during implantation a polyhedral tertiary structure, and the polyhedron being provided with at least one additional loop.

Abstract: The invention relates to a device for the removal of foreign objects and thrombi from body cavities and blood vessels (12) using at least one guide wire (6, 7) provided with a distal element (2), said distal element (2) being provided with fibers (3) projecting radially outward and the device being provided with a cage (1) or tubular structure (16) which is suitable to be flatly collapsible under the external strain exerted by a micro-catheter (13) and transported inside the micro-catheter (13) and unfolds to its full cage (1) or tubular (16) structure when said external strain caused by the micro-catheter (13) is omitted, with said distal element (2) and the cage (1) or tubular (16) structure being designed so as to be longitudinally movable in relation to each other and the cage (1) or tubular structure (16) having an opening at the distal end through which the distal element (2) can be introduced into said cage (1) or tubular (16) structure.

Abstract: The invention relates to a medical implant (1?) in the form of an elongated helix wherein at least one part of the helix is preformed in such a manner that it has a secondary structure of identically sized loops which it assumes during implantation at the placement site, with said structure in turn forming at the placement site during implantation a polyhedral tertiary structure, and the polyhedron being provided with at least one additional loop.

Abstract: The invention relates to an implant for blood vessels, in particular to influence the flow of blood in the area of arteriovenous malformations, with said implant having a wall comprising individual filaments combined so as to form a circular braiding, said circular braiding being positioned in elongated form and with a reduced diameter in an insertion catheter and expanding at the placement site thus adapting to the vessel diameter and increasing its braiding density.

Abstract: The invention relates to a device for the implantation of occlusion helixes (3) that can be separated by electrolysis in blood vessels and body cavities, especially aneurysms (12), said device comprising an insertion aid (4), at least one occlusion helix (3) that is distally arranged in relation to the insertion aid (4) and at least one electrolytically corrodible severance element (2), with at least one stabilization helix (5) being arranged between severance element (2) and occlusion helix (3) and said stabilization helix (5) being connected with the occlusion helix (3) by an electrically isolating adhesion layer (7) such that the occlusion helix (3) becomes isolated from the voltage when an electrical voltage is applied to the severance element (2).

Abstract: The invention relates to a device provided with one or several distal elements (27), with the distal element (27) comprising at least two core wires (14) which are twisted around each other and between which fibers (6) are arranged transversely to the extension of the core wires (14), with said fibers (6) being twisted together with the core wires (14) so that the fibers (6) project radially outward from the distal element (27).

Abstract: The invention relates to a device for the implantation of occlusion helixes (3) into body cavities or blood vessels, in particular aneurysms (12), with at least one occlusion helix (3) comprising a plurality of windings and being movably arranged in longitudinal direction within a catheter (1), and one securing means (9) passing at least partially through the lumen of the occlusion helix (3), with said securing means (9) being fixed in its end areas inside the occlusion helix (3) and consisting of at least two wires with each of the wires having a diameter of less than 0.02 mm. The use of a plurality of wires of relatively small diameter for the securing means (9) enables high flexibility and at the same time high tensile strength properties to be attained. In this way, two opposed characteristics can be achieved which at first glance appear to be mutually exclusive.

Abstract: The invention relates to a device for the removal of foreign objects and thrombi from body cavities and blood vessels (12) using at least one guide wire (6, 7) provided with a distal element (2), said distal element (2) being provided with fibers (3) projecting radially outward and the device being provided with a cage (1) or tubular structure (16) which is suitable to be flatly collapsible under the external strain exerted by a micro-catheter (13) and transported inside the micro-catheter (13) and unfolds to its full cage (1) or tubular (16) structure when said external strain caused by the micro-catheter (13) is omitted, with said distal element (2) and the cage (1) or tubular (16) structure being designed so as to be longitudinally movable in relation to each other and the cage (1) or tubular structure (16) having an opening at the distal end through which the distal element (2) can be introduced into said cage (1) or tubular (16) structure.

Abstract: The invention relates to a medical implant (1?) in the form of an elongated helix wherein at least one part of the helix is preformed in such a manner that it has a secondary structure of identically sized loops which it assumes during implantation at the placement site, with said structure in turn forming at the placement site during implantation a polyhedral tertiary structure, and the polyhedron being provided with at least one additional loop.

Abstract: The invention relates to a device for the implantation of microcoils (3, 7, 11, 12) into body cavities and blood vessels, in particular aneurysms, with said microcoils (3, 7, 11, 12) comprising wires forming a plurality of windings (4), at least one microcoil serving as occlusion helix (3) for the occlusion of the body cavity or blood vessel, and the device consisting of a catheter, one or several microcoils (3, 7, 11, 12) movably arranged in longitudinal direction within the catheter and at least one securing means (10) passing at least partially through the lumen (9) of the occlusion helix (3), with said securing means (10) being fixed in its end areas inside the microcoils (3, 7, 11, 12). Such a fixation of the securing means (10) is achieved in at least one end area by providing a frictional connection with the microcoil (3, 7, 11, 12) in such a manner that this connection is detachable from the microcoil (3, 7, 11, 12) when a certain tensile force acting on the securing means (10) is exceeded.

Abstract: The invention relates to a device for the removal of foreign bodies and thrombi from body cavities and blood vessels using a guide wire provided with a distal element with said distal element being provided with an orthogonal structure.

Abstract: Device for implanting occlusion spirals in body cavities or blood vessels with a catheter, an occlusion spiral that can be moved within the catheter in the longitudinal direction, and at least one securing means attached in the occlusion spiral, structured as a flexible lengthwise element, which passes through the length of the occlusion spiral at least in a partial region, which is characterized in that the securing means contains a material with shape memory properties.

Abstract: The invention concerns a medical implant in the form of at least an elongated filament. The latter is preformed so as to have a specific structure when it is set on the implantation site. Said filament is traversed in the longitudinal direction by at least a removable retaining element which, until its removal, prevents the filament from having said specific structure.

Abstract: The invention relates to a device for the implantation of electrolytically releasable occlusion means in body cavities or blood vessels.

Abstract: A device for the implantation of electrolytically severable occluding spirals in body cavities or blood vessels comprising a source of electrical power, a cathode, a catheter and an occluding spiral adapted to serve as an anode and able to slide in the catheter in the longitudinal direction, wherein the occluding spiral (3) is designed to be electrolytically corrodible at several spaced apart points so that when in contact with a body fluid one or more variably dimensioned lengths of the occluding spiral (3) may be severed by electrolysis.

Abstract: Device for implanting occlusion spirals in body cavities or blood vessels with a catheter, an occlusion spiral that can be moved within the catheter in the longitudinal direction, and at least one securing means attached in the occlusion spiral, structured as a flexible lengthwise element, which passes through the length of the occlusion spiral at least in a partial region, which is characterized in that the securing means contains a material with shape memory properties.