摘要:
A rotating testing device can be connected to a base unit. A temperature sensor can also be connected to the base unit. The testing device has probe heads. The probe heads are immersed and rotated in the liquid concrete and the force required for rotation is measured in the base unit. Various concrete recipes are stored in a memory of the base unit. Data concerning the concrete are calculated by comparison with the force required to rotate the testing device with the force derived from a respective stored characteristic line and are read from a display field. A concrete recipe and specific measurements are selected by actuating keys which select the respective electronic processes in the base unit for measurement and comparison with stored characteristic data.
摘要:
A method for performing arthroplasty on a joint using a surgical navigation system, the method includes the steps of locating articular anatomical structures using the surgical navigation system; determining biomechanical properties of the joint; and evaluating the soft tissue envelope properties for the joint. The method also includes the steps of displaying an interactive view of the joint, the soft tissue envelope properties, the biomechanical properties and a chosen implant to enable a surgeon to manipulate simultaneously the soft tissue envelope properties, the biomechanical properties and the chosen implant on the interactive view; preparing the joint to receive the chosen implants; and installing the implants in the prepared joint.
摘要:
A system for virtually planning a size and position of a prosthetic implant for a bone on a patient includes a database containing pre-defined form factor information for a plurality of different implants and a circuit for obtaining surface shape information of the bone. The system further includes a circuit for defining baseline location parameters for an implant location in relation to a virtual representation of the bone based on the surface shape information and a circuit for assessing a fit calculation of each implant in relation to the virtual representation of the bone based on the form factor in formation and a plurality of fit factors at each of a plurality of incremental positions in relation to the bone. Still further, the system includes a circuit for selecting a best fit implant size and position from all of the fit calculations.
摘要:
The invention relates to compounds of the formula (1) where the substituents and symbols are as defined in the description. The compounds are valuable intermediates for preparing active pharmaceutical ingredients.
摘要:
Compounds of formula (I) in which the substituents and symbols have the meanings indicated in the description, are suitable for the control of Helicobacter bacteria.
摘要:
A system for virtually planning a size and position of a prosthetic implant for a bone on a patient includes a database containing pre-defined form factor information for a plurality of different implants and a circuit for obtaining surface shape information of the bone. The system further includes a circuit for defining baseline location parameters for an implant location in relation to a virtual representation of the bone based on the surface shape information and a circuit for assessing a fit calculation of each implant in relation to the virtual representation of the bone based on the form factor in formation and a plurality of fit factors at each of a plurality of incremental positions in relation to the bone. Still further, the system includes a circuit for selecting a best fit implant size and position from all of the fit calculations.
摘要:
During injection molding of injection molded articles on which an application, for example, a label, is attached, the label is preformed in a preforming means and transferred by a transfer tool into the injection molding machine for increasing the cycle rate of the injection molding machine.
摘要:
The compounds of the formula I exert a pronounced specific cytoprotective effect; they can be used for the treatment of acute and chronic inflammations and organ ischemias caused by narrowing of vessels. R.sup.1 denotes an aliphatic radical having 9 to 19 C atoms in the straight chain, R.sup.2 denotes the acyl radical of a saturated or unsaturated fatty acid having 14 to 24 C atoms, and X denotes a --CH.sub.2 CH.sub.2 --or --CH.dbd.CH-- group. The invention relates to pharmaceutical products in which the active ingredient is the said compounds, as well as to those compounds I in which R.sup.2 denotes the acyl radical of an unsaturated fatty acid, and to the process for the preparation thereof. ##STR1##
摘要:
Microelectrodes of the art are limited to the charge density which can pass through them. The present invention discloses a method for electroplating iridium metal onto the surface of a metallic microelectrode for use in a biomedical prosthetic device, which method comprises:(a) placing the metallic microelectrode into an aqueous solution of iridium ion of between about 1 and 10 percent by weight; and(b) electroplating the microelectrode of step (a) using a current of between about 0.5 and 15 milliamps wherein said current is controlled by a current controller. In another aspect the method discloses in step (b) the current is also biased and simultaneously applied in a mode wherein the current is equivalent to an impressed voltage of between about 1.5 and 6.0 volts positive.In other aspects, the method also includes the following :A-after step (b): (c) conditioning the microelectrode after step (b) by heating at a temperature of between about ambient and 350.degree. C.; B-after step (c): (c-1) optionally subjecting the iridium-coated microelectrode of step to ultrasonic energy in the range of between about 1 and 20,000 hertz for between about 0.1 and 10 minutes in a phosphate buffered saline solution; after step (c-1): (d) conditioning the microelectrode of step (c-1) by storage for between about 6 and 150 hrs. in a physiologically equivalent phosphate buffered saline solution selected under in vitro conditions; D-after step (c-1): (d-1) conditioning the microelectrode of step (b-1) by placing it in vivo and conducting the conditioning in the presence of minor amounts liquid selected from natural body fluids or added synthetic liquids; and E-after step (b): (e) conditioning the microelectrode between about positive 1 and negative 1 volts for between 100 and 10,000 millivolts per second, for between about 1 and 100 cycles to form at least one iridium oxide on the surface of the microelectrode. The invention also discloses the use of these microelectrodes in devices and in microelectrodes and in these devices used in the method of treatment of neurological diseases.