CPC A61M 25/0045 (2013.01) [A61M 39/225 (2013.01); A61M 39/24 (2013.01); A61M 2025/0056 (2013.01); A61M 2039/0018 (2013.01); A61M 2039/242 (2013.01); A61M 2202/0208 (2013.01); A61M 2202/0225 (2013.01); A61M 2202/04 (2013.01); A61M 2205/0205 (2013.01); A61M 2205/7518 (2013.01); A61M 2205/7536 (2013.01); A61M 2210/02 (2013.01)] | 18 Claims |
1. A medical placeholder comprising:
a hollow body which is expandable, defines an interior space in the interior of the hollow body, and a part of the hollow body or the hollow body fully consists of at least one plastic material that is permeable to oxygen and carbon dioxide;
a gas infeed hose which is connected or connectable in a gas-permeable manner with the interior space of the hollow body;
a gas discharge hose which is connected or connectable in a gas-permeable manner with the interior space of the hollow body;
a one-way valve arranged in the gas infeed hose; and a pressure relief valve arranged in the gas discharge hose;
wherein the hollow body or the at least one plastic material of the hollow body has a permeability coefficient for oxygen of greater than or equal to 0.5 cm3/(m2*d*bar) and a permeability coefficient for carbon dioxide of greater than or equal to 0.5 cm3/(m2*d*bar).
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