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1. (WO2019048255) PINCH CLAMP DEVICE
Anmerkung: Text basiert auf automatischer optischer Zeichenerkennung (OCR). Verwenden Sie bitte aus rechtlichen Gründen die PDF-Version.

Claims

Pinch clamp device for a flexible tube, comprising a first part (2) and a second part (3) that are movable with respect to each other, wherein the first part (2) comprises a first conduit (5) for housing a flexible tube and the second part (3) comprises a second conduit (6) for housing the same flexible tube, wherein the first part (2) and the second part (3) are arranged in an interacting manner such that the pinch clamp device can be present in a first position or in a second position, wherein a flow of a fluid within a flexible tube arranged inside the first conduit (5) and the second conduit (6) is enabled in the first position, and wherein a flow of a fluid within a flexible tube arranged inside the first conduit (5) and the second conduit (6) is prevented in the second position,

characterized

in that the first part (2) and the second part (3) are designed axisymmetrically.

Pinch clamp device according to claim 1 , characterized in that a symmetry axis (A) of the first part (2) extends along the first conduit (5) and/or in that a symmetry axis (A) of the second part (3) extends along the second conduit (6).

Pinch clamp device according to claim 1 or 2, characterized in that the first part (2) and the second part (3) are movable with respect to each other by a translational movement of at least one of the first part (2) and the second part (3).

Pinch clamp device according to any of the preceding claims, characterized in that the second part (3) can be moved along an extension direction of the first conduit (5).

Pinch clamp device according to any of the preceding claims, characterized in that the first part (2) and the second part (3) are individual components.

Pinch clamp device according to any of the preceding claims, characterized in that the second part (3) is nested within the first part (2).

Pinch clamp device according to any of the preceding claims, characterized in that the second part (3) comprises a flexible extension (7) extending along the second conduit (6), wherein the flexible extension (7) can be present in a relaxed position or in a compressed position, wherein the pinch clamp device is in the first position if the flexible extension (7) is in its relaxed position, and wherein the pinch clamp device is in the second position if the flexible extension (7) is in its compressed position.

8. Pinch clamp device according to claim 7, characterized in that the flexible extension (7) has a free end (8) and comprises a protrusion (9) on the free end (8), wherein the protrusion (9) extends radially away from the second conduit (6), wherein the protrusion (9) is received in a recess (10) in the first part (2) if the flexible extension (7) is in its relaxed position and abuts an inner wall (12) of the first conduit (5) if the flexible extension (7) is in its compressed position.

9. Pinch clamp device according to claim 7 or 8, characterized in that the second part (3) comprises a mark (1 1 ) that is only visible for a user of the pinch clamp device if the pinch clamp device is in its second position.

10. Pinch clamp device according to any of the preceding claims, characterized in that the first part (2) and the second part (3) have a different outer design.

1 1 . Pinch clamp arrangement comprising a pinch clamp device according to any of the preceding claims and a flexible tube (4), wherein the pinch clamp device comprises a first part (2) and a second part (3) that are movable with respect to each other, wherein the first part (2) comprises a first conduit (5) that houses a section of the flexible tube (4), wherein the second part (3) comprises a second conduit (6) that houses a section of the flexible tube (4), wherein the first part (2) and the second part (3) are arranged in an interacting manner such that the pinch clamp device can be present in a first position or in a second position, wherein a flow of a fluid within the flexible tube (4) is enabled in the first position, and wherein a flow of a fluid within the flexible tube (4) is prevented in the second position,

characterized

in that the first part (2) and the second part (3) are designed axisymmetrically.

12. Pump arrangement comprising a pump and a pinch clamp arrangement (1 ) according to claim 1 1 that is installed into the pump.

13. Pump arrangement according to claim 12, characterized in that the pump comprises a cover that can be open to install the pinch clamp arrangement (1 ) within the pump or to

remove it therefrom, wherein the pump comprises means for automatically transferring the pinch clamp device of the pinch clamp arrangement (1 ) from its first position into its second position if the cover of the pump is opened or if the pinch clamp arrangement is removed from the pump.

4. Pump arrangement according to claim 12 or 13, characterized in that the pump is a volumetric pump, in particular a perfusion pump.