A surgical tool for use in initial placement of a gastrostomy device in a patient includes an obturator, a cannula and an outer flexible tubular member. A pointed end of the obturator and an adjacent dilator cooperate to incise a tract through the abdominal and stomach walls of the patient. The obturator is removed, leaving the cannula and outer tubular member in place. A deformable section of the...

A composite stratiform material (1) having at least three interfused layers and comprising: (I) a carrier layer (10) formed of a mixture containing polypropylene and a particulate organic filler; (II) a first outer layer (12) interfused with said carrier layer at a first interface (11) and consisting essentially of a mixture containing polypropylene and an inorganic filler; and (III) a second oute...

Die vorliegende Erfindung betrifft eine wenigstens monoaxial gereckte coextrudierte siegelbare Mehrschicht-Polypropylenfolie, mit mindestens einer Außenschicht bestehend aus einer Copolymermasse, die auf Basis von Methylmethacrylat (MA) aufgebaut ist und das Copolymer eine Uneinheitlichkeit von 0,4 bis 2, bevorzugt 0,8 bis 1,6 aufweist.; The MMA/MA copolymer mass has a melt flow index of 200 to 20...

Die vorliegende Erfindung betrifft eine wenigstens monoaxial gereckte coextrudierte siegelbare Mehrschicht-Polypropylenfolie, mit mindestens einer Außenschicht bestehend aus einer Copolymermasse, die auf Basis von Methylmethacrylat (MMA) und Methylacrylat (MA) aufgebaut ist und ein Comonomerverhältnis von 1 : 4 bis 4 : 1, bevorzugt 1 : 2,3 bis 2,3 : 1 besitzt.; The MMA/MA copolymer mass has a melt...

An azo compound compound of formula (I) or (II) : wherein Q1 represents substituted or unsubstituted phenyl or naphthyl group, Q2 represents substituted or unsubstituted phenyl group; R represents hydroxy group; R1 and R2 each independently represent a hydrogen atom, a hydroxy group, a C1-C4 alkyl group, a C1-C4 alkoxy group or a halogen atom; R3 and R4 each independently represent...

A novel liquid crystalline compound having a sufficiently large DELTA n, a superior, low temperature compatibility with other liquid crystals and a chemical stability; a liquid crystal composition containing the above compound; and a display element using the above liquid crystal composition are provided, which liquid crystalline compound is expressed by the formula (1): wherein R1 is an ...

The are used to make it more difficult to lift a roller shutter from outside a dwelling, and are made up of a flexible strap attached to the shutter roller and by a profile to support the upper slat of the shutter, having a plastic coupling element (2) injected upon the end of the flat surfaced strap (1), having at its lower end two cylindrically shaped, partially cut downwardly half bridges (4), ...

A diode array spectrophotometer has an entrance slit apparatus, a diffraction grating, a diode array and a casing to define the relative positions of these elements. The casing and the holder for accepting the diffraction grating are made of a ceramic whose coefficient of thermal expansion is adapted to that of the diode array. The grating holder has a cylindrical outer surface and is situated wit...

A diode array spectrophotometer has an entrance slit apparatus, a diffraction grating, a diode array and a casing to define the relative positions of these elements. The casing and the holder for accepting the diffraction grating are made of a ceramic whose coefficient of thermal expansion is adapted to that of the diode array. The grating holder has a cylindrical outer surface and is situated wit...

A confocal optical scanner which allows more incident light to be collected to the pinholes through a plurality of collector means (Fresnel lenses, mirrors microlenses) by disposing the pinholes respectively at focal positions of the collector means and improves luminous utilization efficacy by reducing illumination area of light by adopting collector means that focus at outside of aperture pupil....

Binoculars having a fixed lens mount, a movable lens mount (5) which is movable straight in a direction as approaching or moving away from the fixed lens mount (4) to adjust their distance to viewer's eyes, a cover member for concealing a space formed between the fixed lens mount (4) and the movable lens mount (5) in accordance with a moving state of the movable lens mount (5). To the fixed lens m...

An optical scanner comprising a light source unit (1), an optical deflector (5) to scan a light beam from the light source unit, a first optical system (2,3, and 4) disposed between the light source unit and the optical deflector, and a second optical system (7 and 8) disposed between the optical deflector and the surface to be scanned, wherein the second optical system comprises a first curved mi...

An optical guide (10, 40, 50, 60) for horizontally aligning two vertically stacked images generated by one or two SLMs. The optical guide has a channel separator (10a) that directs both images along two different paths. A pair of aligning reflectors (10b and 10c) on each path vertically shift the images with respect to each other so that at least part of the images on the first path are aligned si...

A combination eyeglass retainer and cover includes a cover portion (15, 30, 50, 70, 72) having an aperture (16, 32, 52) for selectively inserting and removing eyeglasses (10) from the cover. A retainer (18, 20, 34, 35, 55) is attached to the eyeglasses (10) and to the cover. A closure (23, 37, 38, 39, 60, 62) is provided that cooperates with the cover to selectively prevent removal of the eyeglass...

The reference character 5 denotes a supporting shaft holding base, which holds the lower end of a supporting shaft 103 coated with fluororesin with a small frictional coefficient. The reference characters 107a and 107b are tracking magnets bipolar-magnetized in the right and left direction, which are fixed to a fixing base 1 by bonding. The character 108 denotes a mirror for reflecting a light bea...

An optical pickup device for condensing the light from a light source on a signal recording surface of an optical recording medium, such as an optical disc (20). A semi-spherical lens (9) of the optical pickup device has a surface (9b) facing an optical disc (20) and has a pre-set refractive index. The optical pickup device also has a slider (12) adapted for securing the lens (9) and for being in ...

An optical pick-up head apparatus comprises a yoke (46, 47) provided in an opposing relation to a magnet (44, 45), a movable member (48) having therethrough an aperture (51a, 51b) into which the yoke (46, 47) is inserted and around which a first coil (52) is wound in facing relation to the magnet (44, 45), an objective lens supporting device (53) having a pair of leaf springs (54, 55) for supporti...

A method of reproducing information recorded on a recording medium capable of the persistent or transient Hole Burning memory, the method comprising the steps of: irradiating a reproducing excitation light and a probe light; relatively modulating the phase of the reproducing excitation light and the probe light; overlapping a stimulated photon echo light emitted from the medium due to the applicat...

The invention relates to a process for the preparation of a dendritic macromolecule, wherein an amount of a core molecule comprising at least one functional group is dissolved in a solvent, after which alternatingly an addition reaction and a hydrogenation reaction are carried out, during the addition reaction vinyl cyanide units being added to the solution which react with the functional groups i...

The present invention relates to a Venetian blind for deflecting the daylight. It consists of individual edged lamellae having at least partly reflective or reflective-dull surfaces for scattering the sun irradiation, comprising two portions. The first portion is positioned towards the irradiation area, the second portion towards the interior space. The first portion is disposed more steep and the...