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Intermittent vacuum therapy


The Intermittent Vacuum Therapy (IVT) is a treatment conducted in case of venous and arterial issues as well as in rehabilitation (after sports injuries and vascular complaints). With the aid of normal and low pressure, it should enable to control venous reflux, enhance lymphatic flow and improve blood flow in periphery and muscles.

The IVT treatment device consists of a cylindrical space in which the lower body of a lying patient (up until the rips) is enclosed and affected. The legs are fully comprised. In the waist region, the inner space of the device is sealed by means of a lens. Within the cubicle, a vacuum pump alternatingly generates intermittent normal and low pressure (-20 until -70 mbar). The devices are declared medical devices (EG guideline 93/42/EWG class IIa. CE 0535).

Through the generation of low pressure, blood circulation within the lower body parts and the abdomen is encouraged, meaning that arterial perfusion is stimulated. This blood flow leads to a reduction of hypertension within the central line, stroke volume, cardiac output and eventually to a reduction of the arterial blood flow which is counteracted through the compensation mechanisms. As a reaction to this change, pulse and peripheral vascular resistance are enhanced. In addition, the sympathetic answer of the heart is activated. Blood volume is adapted to the change of pressure within the lower part of the body. The flow of oxygenized blood within the legs and lower extremities is encouraged and enhanced through the changed conditions of normal and low pressure. During the phase of normal pressure, the backflow of venous blood and lymph within the large vessels is facilitated. Through that, the IVT has a strong physiological effect on the “removal of lymphatic waste products”, in other words a lymphatic drainage takes place. The related raise in pH value often entails a strengthening of the connective tissue, leading to an increase of collagen synthesis as well as to improved fat reduction.

The treatment was developed on basis of the LBNPD-method of the NASA (lower body negative pressure device). In 1999, the development of the intermittent variant of the LBNPD started as a neurolab research project at the institute of aerospace medicine of the German Aerospace Centre (DLR) in Cologne.


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