Abstract: An electrical connector includes: at least a first housing part and a second housing part, one of the first housing part and the second housing part engaging, at least partially and concentrically, in an other of the first housing part and the second housing part in an engagement region, the first housing part and the second housing part being rotatable relative to one another in the engagement region about an axis of rotation. The first housing part and the second housing part each have a magnetic structure extending, at least in part, circumferentially on an inside or an outside in the engagement region, the respective magnetic structures interacting.

Abstract: In a rigid hemodialysis salt container of plastic material including a venting valve formed in a container wall with a venting opening extending through the container wall, a seal member covers the venting opening at the inside of the container wall and is connected to the container wall by cementing or welding such that, with the occurrence of a predetermined pressure difference between ambient air pressure and a vacuum generated in the container, the seal member is at least locally ripped off.

Abstract: A dosing device comprises a housing. The housing has a slot-shaped opening in the axial direction. The respective region of a setting cylinder located inside the housing can be seen from the exterior through the opening. The setting cylinder can be radially rotated or set by way of a setting wheel. Quantitative indications of the discharge volumes for various syringe types at various settings are arranged in columns on the setting cylinder in the form of a table. The cylinder is oriented relative to the window in the housing such that at a given angular setting of the cylinder the correct discharge volume is visible in the window for every syringe type.

Abstract: A dosing device comprises a housing. The housing has a slot-shaped opening in the axial direction. The respective region of a setting cylinder located inside the housing can be seen from the exterior through the opening. The setting cylinder can be radially rotated or set by way of a setting wheel. Quantitative indications of the discharge volumes for various syringe types at various settings are arranged in columns on the setting cylinder in the form of a table. The cylinder is oriented relative to the window in the housing such that at a given angular setting of the cylinder the correct discharge volume is visible in the window for every syringe type.

Abstract: A motorized wheelchair includes a frame, a battery support assembly that supports a battery box and is connected to the frame, first and second power drive assemblies disposed on each lateral side of the wheelchair, first and second rear wheels driven by the power drive assemblies, and first and second castor wheels that are pivotally connected to said frame. The battery support assembly is pivotally connected to the frame by a first connecting arrangement, so that said battery support assembly can pivot around a first longitudinal axis. The battery support assembly is pivotally connected to the first connecting arrangement by a second connecting arrangement, so that the battery support assembly can pivot around a second lateral axis.

Abstract: A motorized wheelchair includes a frame, a battery support assembly that supports a battery box and is connected to the frame, first and second power drive assemblies disposed on each lateral side of the wheelchair, first and second rear wheels driven by the power drive assemblies, first and second castor wheels driven by the power drive assemblies, and first and second castor wheels that are pivotally connected to said frame. The battery support assembly is pivotally connected to the frame by a first connecting arrangement, so that said battery support assembly can pivot around a first longitudinal axis. The battery support assembly is pivotally connected to the first connecting arrangement by a second connecting arrangement, so that the battery support assembly can pivot around a second lateral axis.

Abstract: In a rigid hemodialysis salt container of plastic material including a venting valve formed in a container wall with a venting opening extending through the container wall, a seal member covers the venting opening at the inside of the container wall and is connected to the container wall by cementing or welding such that, with the occurrence of a predetermined pressure difference between ambient air pressure and a vacuum generated in the container, the seal member is at least locally ripped off.

Abstract: A pneumatic cartridge expressing device is shown for expressing cartridges containing viscous materials. The device has a holder that is axially longer than the cartridge, and a cap that is sealingly fitted over one axial end of the holder with a piston guided within the cap and forced by compressed air against either the one axial end of the holder or against one axial end of the cartridge. Compressed air is provided through an opening in the piston to pressurize the cartridge, and in the case where the piston seals against the one axial end of the holder, also passes into an annular gap between the cartridge and the holder to prevent bulging of the cartridge during expressing of the cartridge. Compressed air is provided through a separate opening in the cap to the annular gap in the case where the piston seals against one axial end of the cartridge.

Abstract: An advancing mechanism is provided for movement of a pipet plunger in a repeating pipet. The advancing mechanism includes a rack communicating with the pipet plunger, a pawl pretensioned against the rack and displaceable by an activating element and an engagement control element located between the rack and the pawl. The advancing mechanism also includes an adjusting element for adjusting the engagement control element to one of a plurality of engagement positions. The engagement control element is preferably a rotatable sleeve having lower axial steps and upper limiting stops. The pawl is connected to a sliding body connected with the actuating element and axially displaceable within the sleeve.

Abstract: In a sterilizing container for medical and surgical instruments comprising a box with a bottom part and a cover for sealing the bottom part in a germ-tight manner, the side walls of the bottom part of the box have openings covered on the outside with germ-tight but sterilization gas permeable filter layers which are held in position by retaining plates mounted on the side walls, the cover of the box being locked to the bottom part by a locking structure formed at one end of the box at which the cover and bottom part includes retaining structures receiving a safety tag which covers the locking structure when the cover is closed in such a way that the safety tag is firmly positioned in front of the locking structure and the locking structure is only accessible by destroying the safety tag.