摘要:
An integrally built, linear array of cuvettes is made of a plastic material. This array comprises a plurality of cuvettes arranged along a straight line in an array, each cuvette in the array having the same shape and dimensions, and neighboring cuvettes being connected to each other by a single web. Each of the single webs has a curved shape. The symmetry axis (Y-Y) of every cuvette forming part of said array of cuvettes lies substantially in one and the same plane (A-A) which is a symmetry plane of said cuvette array. The upper part of at least one intermediate cuvette which is located between a first cuvette located at one end of the cuvette array and a second cuvette located at the opposite end of the cuvette array is connected by a first single web to the upper part of a neighboring cuvette lying on one side of said intermediate cuvette and is connected by a second single web to the upper part of a neighboring cuvette lying on the opposite side of said intermediate cuvette.
摘要:
An improved injection device has a casing containing an active substance reservoir, a cannula communicating with the reservoir, a device for inserting the cannula, and pump means for discharging the reservoir contents through the cannula. The cannula 11 is fixed relative to the casing and projects beyond the underside of the casing to the depth required for injection. The cannula is surrounded by a protective element which is moved by a spring drive from a first end position in which the protective device projects beyond the underside of the casing and beyond the cannula to a second end position in which the protective device does not project beyond the underside of the casing.
摘要:
A nuclear magnetic resonance (NMR) spectrometer for investigating a liquid sample in a sample tube, in particular a glass sample tube (12), has a sample bushing (1) surrounding the sample tube having a bore into which one end of the sample tube is inserted with tight fit. The sample bushing (1) is preferably substantially cylindrical and the bore extends along the cylindrical axis. The NMR spectrometer has a gripping device (13) for handling the sample bushing (1), the gripping device (13) having at least three gripping fingers (14a-14d), and the outer periphery of the sample bushing (1) has at least one groove (2) into which the gripping fingers (14a-14d) can engage to press onto the two outer edges of the groove (2) when the gripping device (13) is closed. The cooperation between the groove and the gripping device permits fully automated, precise handling of the samples.