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Catheter with flexible cutter
What is claimed is: 1. A catheter for opening obstructions in blood vessels comprising: a thin, flexible, cylindrical tube adapted for insertion in a vessel adjacent to ...
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Method for diagnosis of atherosclerosis
What is claimed is: 1. A method for diagnosing atherosclerosis, said method comprising: injecting a porphyrin solution into the blood vessels to be examined; detecting ...
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Spinal joint
It is obvious that it is necessary to put very rigorous demands upon such spinal joints. It is thus necessary that the bone screws may be locked to the blocks, that the ...
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Polyurethanes containing poly(perfluoroalkylene oxides) units
OF THE INVENTION The linear hydroxy-terminated poly(perfluoroalkylene oxide) reactants or prepolymers used in this invention are preferably those of the general formula:...
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Method and device for the manufacture of a high optical quality transparent plastic sheet
OF THE PREFERRED EMBODIMENTS The invention comprises a reactive pouring or spraying onto an support of a mixture of an aliphatic isocyanate component and a polyol ...
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Pro-drug forms of digoxin and method of preparing and using same
OF THE INVENTION Using stoichiometric amounts of each reactant, the digoxin derivatives of this invention can be prepared in accordance with the procedures outlined ...
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Monoazo dyestuffs containing substituted amino triazine
OF THE INVENTION Specific examples of an alkylamine, an alkoxyalkylamine, an arylamine, an aralkylamine, an alkanolamine and an alkarylamine each having 6 to 18 carbon ...
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Laser heated intravascular cautery cap assembly
What is claimed is: 1. An improved intravascular cautery cap construction, including a closed curved outer sidewall extending symmetrically about an axis, an inner ...
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Apparatus for treatment of tumors
General Description of the Drug Each of the drugs may be classified into one of two classes, which are: (1) each molecule of the drug aggregates in water to aggregates ...
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Paste insecticidal compositions
We claim: 1. An insecticidal paste composition for application from a pressurized container for destroying cockroaches which comprises, by weight, 30% to 50% corn syrup, ...
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Liquid Purification 
