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The invention concerns a surgical drape, especially for surgical interventions on the brain or head.
These novel drapes are provided to cover two areas. First the sterile cover of the area of surgery and additionally the sterile cover for a surveying system, especially with infrared radiation.
Previous drapes, especially for surgeries on the brain or head have only one fenestration in the area under the contact area of the patients head.

The tin-enriched adhesive system according to the invention provides a better and more durable bonding of tooth-colored filling materials (composites/ceramics) to eroded hard tooth substance. This system was specifically designed for individuals with pre-eroded teeth, can however also be used for all other indications of tooth-colored restorations.

This invention offers a new method for the direct and halogen-free formamide or acetamide formation of adamantane.
The adamantane modifications are chosen to enhance lipophilicity and stability of drugs, thereby improving their pharmacokinetics. Amido- and amino admantane derivatives can be used as drug delivery systems. They are able to overcome the blood-brain barrier and are competent to penetrate into the fatty tissue.
Due to these properties adamantane derivates are already used as therapeutics (e.g. for neurodegenerative diseases) and cosmetics. They are, for example, used as antiviral drugs or to treat Parkinson?s as well as Alzheimer?s diseases.

MRIs are used predominantly in lung diagnostics. The innovation can be used as contrast agent. 3He is harmless when used as contrast agent and is already used in research for this purpose. Though modern MRIs can generate images from all body areas without any contrast agent, the use of 3He, in particular in examinations of the lungs, significantly increases the contrast and therefore the resolution, enabling cancer tumors or infections to be detected more efficiently.
Furthermore, the 3He magnetometer can be used in all forms of therapy that work using magnetic fields, such as thermotherapy with magnetic nanoparticles (nano-cancer therapy) that selectively impair tumor cells through heat. The magnetic fields used have to be adjusted individually before each therapy session.

In the analysis of biological samples, specimens are often investigated with methods in sequential order. In order to make this possible, the adequate preservation of samples is an essential prerequisite. A commonly used procedure is in this case the cooling of samples to -20° C to -80° C by freezing.
Disadvantageous is however so far that, due to insufficient thermal insulation sample temperatures gradually approximate the ambient temperature within the respective device. The sample to be investigated consequently thaws, which negatively influences the quality of downstream investigation procedures or even causes a destruction of the structural integrity of the specimen.
The invention solves this problem by the use of a hollow cylinder which consists of thermally insulating, X-ray translucent material as insulating body.

For the medical treatment of lung diseases pharmaceuticals are often applied by inhalation. The release of the active agent occurs within a very short time-period. If the release of the active agent is to be delayed in order to achieve a most uniform release during a longer period of time, aqueous dispersions of encapsulated active substances are used.
The basic idea of the innovation is the application of polymer solutions containing active substances and forming particles only after nebulisation at the intended site of deposition.