Abstract: A thermally shrinkable wrapper, in particular for use in sterilization processes, includes a first layer of a thermally shrinkable film in the form of a continuous band having a pre-determined width and at least approximately parallel longitudinal edges that define a longitudinal direction of the wrapper. A second layer of a thermally shrinkable film in the form of a continuous band having a pre-determined width and at least approximately parallel longitudinal edges, is placed over said first layer so that the longitudinal edges of the first and said second layer are at least approximately aligned with respect to each other. A pair of bearing bands provided by a thermally non-shrinkable material are embedded and welded between the first layer and the second layer in the area of their aligned longitudinal edges.

Abstract: A seal testing system provides an indicator of the tightness of seals in packaging of the seal testing system includes at least partially light permeable thermoplastic film providing two flexible layers that are impermeable for liquid and that are circumferentially sealed to define chambers that store a seal testing fluid and that are interconnected via a narrowed intermediate passage. At least section of a seal between the film layers is weakened to allow release of the seal testing fluid when pressure is introduced in the chambers.

Abstract: A thermally shrinkable wrapper, in particular for use in sterilization processes, includes a first layer of a thermally shrinkable film in the form of a continuous band having a pre-determined width and at least approximately parallel longitudinal edges that define a longitudinal direction of the wrapper. A second layer of a thermally shrinkable film in the form of a continuous band having a pre-determined width and at least approximately parallel longitudinal edges, is placed over said first layer, so that the longitudinal edges of the first and said second layer are at least approximately aligned with respect to each other. A pair of bearing bands provided by a thermally non-shrinkable material are embedded and welded between the first layer and the second layer in the area of their aligned longitudinal edges.

Abstract: A seal testing system provides an indicator of the tightness of seals in packaging of the seal testing system includes at least partially light permeable thermoplastic film providing two flexible layers that are impermeable for liquid and that are circumferentially sealed to define chambers that store a seal testing fluid and that are interconnected via a narrowed intermediate passage. At least section of a seal between the film layers is weakened to allow release of the seal testing fluid when pressure is introduced in the chambers.

Abstract: In order to control sterility of a sterilized medical device after high-temperature steam sterilization, the medical device and a sterilization module are wrapped by a wrapper and put into an autoclave to carry out sterilization, during which the sterilization module logs a time history of its own temperature and pressure in its own environment. The sterilization module assesses the efficiency of sterilization by processing the acquired data. The sterilization module shifts from a normal mode to an alarm mode after an inefficient sterilization and/or after a sterility expiration date of the medical device is over. The sterilization module signals its mode upon each jerk. A sterility status of a uniquely identified medical device is unambiguously and simply presented to a user by a lighting-up of a single light source on the sterilization module that is suitable for a routine control of the efficiency of sterilization, and is reusable.