Pump device and pump assembly comprising at least one pump device

Abstract

A pump apparatus includes a drive device and pump head. The drive device has a drive unit, a drive body rotatable about a drive axis by the drive unit, and a support body for supporting against a separating element. The pump head has a base body for supporting on the separating element, a tube receptacle for receiving a tube conduit that guides the product, an actuator for acting on the tube, and an output body that is rotatable about an output axis and operatively connects to the actuator. The drive device and pump head are supportable on faces of the separating element facing away from each other. The drive body and output body include a respective magnet assembly with magnet elements that interact to transmit a drive force of the drive unit to the actuator through the separating element. A pump assembly can include at least one pump apparatus.

1 . A pump apparatus for a pharmaceutical product, the pump apparatus comprising:
 a pump drive device; and   a pump head,   the pump drive device comprising a drive unit, a drive body that is rotatable about a drive axis by the drive unit, and a support body for supporting directly or indirectly against a separating element,   the pump head comprising a base body for supporting on the separating element, a tube receptacle for receiving a tube conduit that guides the pharmaceutical product, a pump actuator for acting on the tube conduit, and an output body that is rotatable about an output axis and that is operatively connected to the pump actuator,   the pump drive device and the pump head being supportable on faces of the separating element facing away from each other, and   the drive body and the output body each comprising a magnet assembly with magnet elements that interact in order to transmit a drive force of the drive unit to the pump actuator through the separating element.   
     
     
         2 . The pump apparatus in accordance with  claim 1 , wherein the pump head is holdable in position via the magnet elements through the separating element at the pump drive device. 
     
     
         3 . The pump apparatus in accordance with  claim 1 , wherein the pump head is free of a connection with the separating element and is holdable in position solely via the magnet elements on the separating element. 
     
     
         4 . The pump apparatus in accordance with  claim 1 , wherein the magnet assemblies are each formed as multipole assemblies, and the drive body and the output body, with the drive axis and the output axis in line, are couplable to each other in a plurality of angular relative positions. 
     
     
         5 . The pump apparatus in accordance with  claim 1 , wherein the pump head, with the drive axis and the output axis in line, with the magnet assemblies in any angular relative position, is holdable on the pump drive device. 
     
     
         6 . The pump apparatus in accordance with  claim 1 , wherein the magnet assemblies are in each case formed as Halbach arrays of the magnet elements. 
     
     
         7 . The pump apparatus in accordance with  claim 1 , wherein at least one of the following applies:
 the pump head has a pharmaceutical-compliant configuration;   the pump head is non-destructively washable with a cleaning fluid;   the pump head is sterilizable non-destructively.   
     
     
         8 . The pump apparatus in accordance with  claim 1 , wherein the pump head comprises a shaft that is connected to the output body and to the pump actuator in a rotationally fixed manner and wherein the output body and/or the shaft is rotatably mounted on the base body about the output axis via at least one bearing element. 
     
     
         9 . The pump apparatus in accordance with  claim 1 , wherein the base body comprises or forms a frame and/or a bottom wall that faces the pump drive device and forms an edge that is adapted to abut the separating element, wherein the frame encloses a receiving chamber that receives the output body. 
     
     
         10 . The pump apparatus in accordance with  claim 9 , wherein the base body comprises a cover element covering the receiving chamber to a side of the pump actuator and wherein the output body or a shaft connected to the output body engages through a through-opening of the cover element and is connected to the pump actuator at a side of the frame facing away from the receiving chamber. 
     
     
         11 . The pump apparatus in accordance with  claim 10 , wherein at least one sealing element is provided for a seal between the cover element and the frame and/or at least one sealing element is provided for a seal between the output body or the shaft and the edge of the through-opening. 
     
     
         12 . The pump apparatus in accordance with  claim 1 , wherein the output body is spaced apart from a bottom wall of the base body, or from the separating element via a gap when the pump head is in contact with the separating element. 
     
     
         13 . The pump apparatus in accordance with  claim 1 , wherein the output body comprises a receiving element facing the separating element, the receiving element comprising a plurality of receptacles for the magnet elements, as well as a connecting element connected to the receiving element, which is directly or indirectly connected to the pump actuator. 
     
     
         14 . The pump apparatus in accordance with  claim 13 , wherein at least one of the receiving element and the connecting element is configured to be disk-shaped or ring-shaped, wherein the magnet elements are arranged in a circumferential direction of the output axis. 
     
     
         15 . The pump apparatus in accordance with  claim 1 , wherein the pump drive device comprises a shaft that is rotatably mountable on the support body via at least one bearing element and that is connected to the drive body in a rotationally fixed manner and is coupled via a coupling element to a drive shaft of the drive unit or is comprised by the drive unit. 
     
     
         16 . The pump apparatus in accordance with  claim 1 , wherein the support body is secured or is securable on the separating element directly or indirectly via at least one holding part on the separating element. 
     
     
         17 . The pump apparatus in accordance with  claim 16 , wherein the support body is detachably secured or is detachably securable on the at least one holding part or on the separating element. 
     
     
         18 . The pump apparatus in accordance with  claim 16 , wherein the at least one holding part is or comprises a base, which the support body abuts and which is connected to the separating element, wherein the drive body is positioned laterally next to the at least one holding part and extends beyond one end of the support body facing away from the drive unit. 
     
     
         19 . The pump apparatus in accordance with  claim 1 , wherein the support body, on a face facing away from the drive body, comprises or forms a flange and via this flange abuts a housing of the drive unit, and wherein a shaft of the pump drive device extends in a through-opening of the support body. 
     
     
         20 . The pump apparatus in accordance with  claim 1 , wherein the drive body is spaced apart from the separating element via a gap when the pump drive device is in a connected state with the separating element. 
     
     
         21 . The pump apparatus in accordance with  claim 1 , wherein the drive body comprises a receiving element facing the separating element, the receiving element comprising a plurality of receptacles for the magnet elements, as well as a connecting element connected to the receiving element, which is coupled to a shaft of the pump drive device. 
     
     
         22 . The pump apparatus in accordance with  claim 21 , wherein at least on of the receiving element and the connecting element are configured to be disk-shaped or ring-shaped, wherein the magnet elements are arranged in a circumferential direction of the drive axis. 
     
     
         23 . The pump apparatus in accordance with  claim 21 , wherein the output body comprises a receiving element facing the separating element, the receiving element of the output body comprising a plurality of receptacles for the magnet elements, and wherein the receiving element of the drive body and the receiving element of the output body are formed as identical parts. 
     
     
         24 . The pump apparatus in accordance with  claim 1 , wherein the pump apparatus is a peristaltic pump, wherein the tube receptacle comprises a grooved recess for the tube conduit, and wherein the pump actuator is arranged inside the tube receptacle and comprises at least one pressure element, which is in a rotation about the output axis in squeezing engagement with the tube conduit. 
     
     
         25 . The pump apparatus in accordance with  claim 1 , wherein at least one of the following applies:
 the pump actuator and/or the tube receptacle is held detachably on the pump head;   the pump head comprises a cover body that is transferable from a closed position to an open position and vice versa, the cover body covering the pump actuator and/or the tube receptacle in the closed position and releasing the pump actuator and/or the tube receptacle in the open position.   
     
     
         26 . The pump apparatus in accordance with  claim 1 , wherein the pump apparatus comprises a plurality of pump heads that are selectively couplable to the pump drive device. 
     
     
         27 . A pump assembly comprising:
 a chamber that comprises a wall forming a separating element and an inner space enclosed by the wall; and   at least one pump apparatus for a pharmaceutical product, the at least one pump apparatus comprising a pump drive device and a pump head,   the pump drive device comprising a drive unit, a drive body that is rotatable about a drive axis by the drive unit, and a support body for supporting directly or indirectly against the separating element,   the pump head comprising a base body for supporting on the separating element, a tube receptacle for receiving a tube conduit that guides the pharmaceutical product, a pump actuator for acting on the tube conduit, and an output body that is rotatable about an output axis and that is operatively connected to the pump actuator,   the pump drive device and the pump head being supportable on faces of the separating element facing away from each other,   the drive body and the output body each comprising a magnet assembly with magnet elements that interact in order to transmit a drive force of the drive unit to the pump actuator through the separating element,   the pump drive device being arranged outside the chamber and secured on the wall, and   the pump head being arranged in the inner space and operatively connected to the pump drive device via the magnet elements of the pump head and of the pump drive device.   
     
     
         28 . The pump assembly in accordance with  claim 27 , wherein the chamber is a clean room chamber, and the inner space has a higher degree of sterility than a surrounding space outside the chamber.