Abstract: A laser instrument and a method for adjusting the laser power is disclosed. The laser instrument includes a laser device which generates a laser beam and a rotating device which moves the laser device back and forth around an axis of rotation between a first turning point and a second turning point. The laser beam generates a laser line between a first end point and a second end point on a target surface. A control device is provided which adjusts the laser power of the laser beam as a function of a rotation angle and/or an angular velocity of the rotating device.

Abstract: An optical system for shaping a laser beam is disclosed. The optical system includes an optical element with a base member having a lower base, an upper base, and a lateral surface. The lateral surface includes a transmitting surface for the laser beam, and the base member includes a first cutout portion having a lower base arranged in the upper base of the base member, and a lateral surface that has a first reflecting surface for the laser beam and generates an at least segmentally ring-shaped laser beam. The base member includes a second cutout portion having a lower base arranged in the lower base of the base member, an upper base that includes a transmitting surface for the laser beam, and a lateral surface abutting the lower and upper base. The lateral surface includes a second reflecting surface for the at least segmentally ring-shaped laser beam.

Abstract: A medical catheter assembly including either a reinforced balloon bolster or the combination of a balloon bolster and a wire-basket bolster. According to one embodiment, the medical catheter assembly is a low-profile replacement PEG device comprising a feeding tube, an external bolster, an end cap and an internal bolster. The internal bolster comprises a first expandable structure and a second expandable structure. In one embodiment, the first expandable structure is a balloon and the second expandable structure comprises reinforcing members. In another embodiment, the first expandable structure is a balloon and the second expandable structure is a wire basket bolster. The feeding tube has a feeding lumen and an inflation lumen, extending parallel longitudinally. The external bolster is fixed to the external end of the feeding tube and has a feeding lumen aligned with that of the tube and an inflation lumen aligned with that of the tube.

Abstract: A control system for allowing a user to control the orientation of a medical device or a medical instrument in a variety of directions. An actuator selectively tensions one or more control cables having ends secured at or adjacent a distal tip of the medical device in order to bend the distal tip in a desired direction. In one embodiment, a physician can adjust the movement of the distal tip in a desired direction without affecting the orientation of the medical device in other directions.

Abstract: A medical catheter assembly including either a reinforced balloon bolster or the combination of a balloon bolster and a wire-basket bolster. According to one embodiment, the medical catheter assembly is a low-profile replacement PEG device comprising a feeding tube, an external bolster, an end cap and an internal bolster. The internal bolster comprises a first expandable structure and a second expandable structure. In one embodiment, the first expandable structure is a balloon and the second expandable structure comprises reinforcing members. In another embodiment, the first expandable structure is a balloon and the second expandable structure is a wire basket bolster. The feeding tube has a feeding lumen and an inflation lumen, extending parallel longitudinally. The external bolster is fixed to the external end of the feeding tube and has a feeding lumen aligned with that of the tube and an inflation lumen aligned with that of the tube.

Abstract: An optical system is provided for shaping a laser beam, having a first optical element which is designed at least partially as a base body, the base body having a base surface area and having a curved surface area which abuts said base surface area. The base surface area and the curved surface area are designed at least partially as transmission surfaces for the laser beam, and the base body has a recess with a curved surface area, wherein the curved surface area is designed at least partially as a reflecting surface for the laser beam.

Abstract: A control system for allowing a user to control the orientation of a medical device or a medical instrument in a variety of directions. An actuator selectively tensions one or more control cables having ends secured at or adjacent a distal tip of the medical device in order to bend the distal tip in a desired direction. In one embodiment, a physician can adjust the movement of the distal tip in a desired direction without affecting the orientation of the medical device in other directions.

Abstract: An optical assembly has an optics carrier (2) which is adjustable with respect to an axis (A) and to which at least two optical elements are fixedly connected, with the optics carrier (2) including at least two partial carriers (5a, 5b), each of which secures an optical element, and with the two partial carriers (5a, 5b) being connected to one another by at least three axially elongate, flexible connection members (6) which are spaced apart in a plane and secured by frictional engagement in corresponding associated connection openings (8) so as to be displaceable axially.

Abstract: An optoelectrical assembly (1) has a modular frequency-doubled solid state laser (2), which is fixed so as to be aligned therein, with an optical resonator (3) which is connected in a thermally conducting manner to a heat source (5) which is controllable by controlling means (4). The operating temperature (T) of the solid state laser (2) is adjusted by the controlling means (4) to between 40° C. and 55° C.

Abstract: A medical catheter assembly including either a reinforced balloon bolster or the combination of a balloon bolster and a wire-basket bolster. According to one embodiment, the medical catheter assembly is a low-profile replacement PEG device that comprises a feeding tube, an external bolster, an end cap and a reinforced balloon bolster. The feeding tube has a larger, feeding lumen and a smaller, inflation lumen, the two lumina extending longitudinally in a parallel fashion. The external bolster is fixed to the external end of the feeding tube and has a feeding lumen aligned with that of the tube and an inflation lumen aligned with that of the tube. The end cap is mounted on the internal end of the feeding tube, the end cap having an end wall that seals the internal end of the inflation lumen and having an opening that is aligned with the feeding lumen.

Abstract: An optical mount (1) for optical component (2) which has a edge contour (4) relative to extending radially optical axis (A), includes a rigid optical support (3) having an axially oriented stop edge (5), which is suitable for an axial contact with the optical component (2), and at least one flexible spring element which is arranged radially outside the stop edge (5), extends axially on the component side and is curved radially inward. The radial spring element passes at an axial distance from the stop edge into a circumferentially closed jacket sleeve an inner contour (8) of which extends farther radially than the edge contour (4) of the optical component (2).

Abstract: A device for reading from and/or writing to optical recording media 10, on which information is present in the form of pits, with a linearly polarized light beam 2. A device for reading from and/or writing to optical recording media 10 which ensures correct reproduction of the stored data even when the recording medium influences the polarization of the light beam 2.

Abstract: An optical beam splitter (1) for a light beam (2) that is parallel along a beam axis (A) has a transparent central area (3) and a plurality of reflecting reflector surfaces (4a, 4b) that are respectively inclined by a reflector angle (?) relative to the beam axis (A) for generating each a discrete spot beam (5a, 5b), with the central area (3) being convexly curved in the manner of a prism at least in part and/or has beam-expanding diffractive optics (19).

Abstract: An optical mount (1) for optical component (2) which has a edge contour (4) relative to extending radially optical axis (A), includes a rigid optical support (3) having an axially oriented stop edge (5), which is suitable for an axial contact with the optical component (2), and at least one flexible spring element which is arranged radially outside the stop edge (5), extends axially on the component side and is curved radially inward. The radial spring element passes at an axial distance from the stop edge into a circumferentially closed jacket sleeve an inner contour (8) of which extends farther radially than the edge contour (4) of the optical component (2).

Abstract: A control system for allowing a user to control the orientation of a medical device or a medical instrument in a variety of directions. An actuator selectively tensions one or more control cables having ends secured at or adjacent a distal tip of the medical device in order to bend the distal tip in a desired direction. In one embodiment, a physician can adjust the movement of the distal tip in a desired direction without affecting the orientation of the medical device in other directions.

Abstract: A device (1) for generating and projecting light marks (MP, ML) in which projection optics (P) have a cylindrical lens (Z). The cylindrical lens (Z) can be irradiated by a light beam bundle (L2) such that a central beam bundle (L2Z) radiates completely through a cylinder portion area (A) and at least one marginal beam bundle (L2R) travels directly past the edge of the outer surface of the cylinder portion area (ZA). A light mark (ML) in the shape of a line is projected by the central beam bundle (L2Z), while a light mark (MP) in the shape of a point is projected through the marginal beam bundle (L2R).

Abstract: An optical beam splitter (1) for a light beam (2) that is parallel along a beam axis (A) has a transparent central area (3) and a plurality of reflecting reflector surfaces (4a, 4b) that are respectively inclined by a reflector angle (?) relative to the beam axis (A) for generating each a discrete spot beam (5a, 5b), with the central area (3) being convexly curved in the manner of a prism at least in part and/or has beam-expanding diffractive optics (19).

Abstract: A device (1) for generating and projecting light marks (MP, ML) in which projection optics (P) have a cylindrical lens (Z). The cylindrical lens (Z) can be irradiated by a light beam bundle (L2) such that a central beam bundle (L2Z) radiates completely through a cylinder portion area (A) and at least one marginal beam bundle (L2R) travels directly past the edge of the outer surface of the cylinder portion area (ZA). A light mark (ML) in the shape of a line is projected by the central beam bundle (L2Z), while a light mark (MP) in the shape of a point is projected through the marginal beam bundle (L2R).

Abstract: An apparatus for reading from and/or writing to optical recording media on which data markings are arranged along tracks arranged next to one another. The apparatus according to the present invention comprises a light source, a focusing means and an intensity distribution converter. In the present invention, both the extent of the focus spot of the primary beam is reduced and the disadvantages occurring due to the secondary beams are reduced. In an exemplary embodiment, the intensity distribution converter comprises a filtering strip arranged in the region of the focusing means.

Abstract: The present invention relates to a device for reading from and/or writing to optical recording media having a scanning unit, which is equipped with at least two detector units each having a plurality of detector elements, and also an evaluation unit, each of the detector elements being connected to the evaluation unit by means of a line. The object of the present invention is to simplify the structure of a device of this type. This object is achieved by virtue of the fact that detector elements of different detector units are each connected to the evaluation unit via a single line. The device according to the invention is advantageously a device which can read from and/or write to not only optical recording media which correspond to a CD standard but also those which correspond to a DVD standard.