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A method for inducing cats to exercise consists of directing a beam of invisible light produced by a hand-held laser apparatus onto the floor or wall.
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| Number | Title | Issue Date |
| 4265928 | Anti-thrombogenic retentive catheter An anti-thrombogenic retentive catheter with a negatively-charged surface is manufactured by providing it with a negatively-charged coating. The coating can be applied by immersing the catheter, at least once, into pyridine or a toluol/tetrahydrofuran sol... | 05/05/1981 |
| 4254180 | Thrombo-resistant non-thrombogenic objects formed from resin-graphite mixtures The disclosure is that of an invention directed to new compositions of matter comprising a mixture of a resin in particulate form and colloidal graphite; and the use of such mixture to form objects of predetermined sizes and shapes, the exposed surfaces o... | 03/03/1981 |
| 4229838 | Vascular prosthesis having a composite structure A vascular prosthesis having a composite structure of a porous tubing of polytetrafluoroethylene with polyethyleneimine in the pores of the tubing, the polyethyleneimine being water-insolubilized with the amino groups quaternized and having heparin ionica... | 10/28/1980 |
| 4193138 | Composite structure vascular prostheses A composite structure vascular prosthesis comprising a porous polytetrafluoroethylene tube in which the pores of the porous polytetrafluoroethylene tube are filled with at least one water-insolubilized water-soluble polymer, and a process for producing th... | 03/18/1980 |
| 4093677 | Macromolecular materials suitable for forming antithrombogenic prosthesis and artificial organs and process for preparing same Novel block copolymers suitable to manufacture permanently antithrombogenic prosthetic devices are obtained by first preparing a polyamide-amine prepolymer ##STR1## WHEREIN R1 and R2 are alkyl or hydroxy-alkyl radicals with 1-6 ... | 06/06/1978 |
| 3974526 | Vascular prostheses and process for producing the same A process for producing tubular prostheses for use in vascular reconstructive surgery is described. The invention comprises chemically and structurally modifying the veins and arteries of the human umbilical cord to obtain a vascular grafting material whi... | 08/17/1976 |
| 3952334 | Biocompatible carbon prosthetic devices A biocompatible prosthetic device comprising a metal alloy substrate, an intermediate layer of a high-temperature polymer which is strongly bonded thereto, and an exterior coating of dense vapor-deposited carbon. The carbon layer is thromboresistant and s... | 04/27/1976 |
