There is described an aseptic connector for connection to an identical opposing aseptic connector, the aseptic connector comprising: a housing having an inner surface which defines a cavity, the housing having a fluid passageway which passes through the inner surface and forms an opening into the cavity; a rotatable member rotatably mounted within the cavity of the housing and having a fluid passageway extending therethrough; wherein the rotatable member has a first, closed configuration in which the fluid passageway of the rotatable member is sealed by the inner surface of the housing and a second, open configuration in which the fluid passageway of the rotatable member is aligned with the fluid passageway of the housing and extends to the fluid passageway of the housing of the opposing aseptic connector so as to form a continuous fluid pathway across the aseptic connectors.
F16L 37/373 - Couplings of the quick-acting type with fluid cut-off means with fluid cut-off means in each of two pipe-end fittings with two taps or cocks
There is provided a method of joining thermoplastic elastomer (TPE) tubes, comprising: abutting an end surface of a first TPE tube against an end surface of a second TPE tube; providing a TPE sleeve around the first and second tubes such that it overlaps the end surfaces; providing a compression member around the sleeve which is configured to apply a radial force around a circumference of the sleeve; and fusing the first and second tubes and the sleeve to one another by applying heat to the sleeve while applying a radial force to the sleeve using the compression member.
A peristaltic pump includes a rotor and a track assembly. The track assembly is spaced from the rotor to receive n tubes therebetween, where n=2m with m a positive integer ≥2. The tubes are manifolded to one another at a discharge port. One of the rotor and the track includes an occlusion surface for each of the n tubes. The occlusion surfaces are located at n different angular positions. The angular offset between the occlusion surfaces offsets pulsation associated with each tube so as to reduce overall pulsation at the discharge port.
A peristaltic pumphead is provided that has a pumping chamber within which is disposed a pressing element for exerting a peristaltic action on a tube extending within the pumping chamber, and an auxiliary chamber which in normal use is a dry chamber. The pumping chamber and the auxiliary chamber are arranged in fluid communication such that liquid which escapes from the tube into the pumping chamber flows from the pumping chamber into the auxiliary chamber.
A peristaltic pump is provided comprising a drive unit, a pumphead comprising a pressing element. The pumphead is connectable to the drive unit such that, when connected, the pressing element is driveable by the drive unit to exert a peristaltic action on a tube arranged within the pumphead. The pumphead further comprises an optical sensor, wherein the optical sensor comprises an emitter and a receiver which are mounted on the drive unit and a reflector element mounted on the pumphead. The reflector element is arranged on the pumphead such that when the pumphead is connected to the drive unit, radiation emitted by the emitter is reflected by the reflector element towards the receiver.
A peristaltic pumphead comprising a pumphead housing accommodating a pumping tube, an end of the tube being provided with an end fitting having a through passage and an abutment shoulder and a threaded shank extending from the abutment shoulder into the tube the tube end abutting the abutment shoulder and being accommodated in an opening, in the pumphead housing, the abutment shoulder abutting the housing at the opening, and the end fitting being engaged by a retaining element to retain the abutment shoulder against the housing.
F04B 43/12 - Machines, pumps, or pumping installations having flexible working members having peristaltic action
F04B 53/22 - Arrangements for enabling ready assembly or disassembly
F04B 43/00 - Machines, pumps, or pumping installations having flexible working members
F16L 33/24 - Arrangements for connecting hoses to rigid membersRigid hose-connectors, i.e. single members engaging both hoses with parts screwed directly on or into the hose
A peristaltic pump comprises a pump unit including a pump which receives a replaceable tube. The tube has a transponder, for example an RFID tag, which carries data relating to the tube, which can be read by a reader of the pump unit. On the basis of a comparison between the tube data on the RFID tag and control data held in a memory of the reader, the reader permits operation of the pump unit if the tube data is compatible with the control data, but prevents such operation if the tube data is incompatible with the control data, for example indicting that an incorrect tube has been fitted, or the tube is approaching the end of its predicted operational life.
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