1
Jacques Chevallet, Jean Claude Riquier: Device for preparing a treatment liquid by filtration. Hospal Industrie, Finnegan Henderson Farabow Garrett and Dunner L, December 30, 1997: US05702597 (128 worldwide citation)

A device for treatment of blood by extracorporeal circulation comprises a dialysis liquid circuit having a supply tube (9a, 9b) on which is arranged a filter (21) having a first chamber and a second chamber (22, 23) which are separated by a filtering membrane (24), the supply tube having a first por ...


2
Jacques Chevallet, Jean Claude Riquier: Device and method for preparing a treatment liquid by filtration. Hospal Industrie, Finnegan Henderson Farabow Garrett & Dunner L, March 21, 2000: US06039877 (72 worldwide citation)

A device for treatment of blood by extracorporeal circulation comprises a dialysis liquid circuit having a supply tube (9a, 9b) on which is arranged a filter (21) having a first chamber and a second chamber (22, 23) which are separated by a filtering membrane (24), the supply tube having a first por ...


3
Jean Claude Riquier, Jacques Chevallet: Method and apparatus for controlling the circulation of blood in a single needle circuit. Hospal Industrie, Finnegan Henderson Farabow Garrett & Dunner, June 7, 1994: US05318511 (44 worldwide citation)

A single needle extracorporeal blood circuit for connection to a blood treatment device includes an arterial portion having an arterial reservoir, an end for connection to the needle, an end for connection to the blood treatment device, and a first valve for flow communicating the needle with the ar ...


4
Jean Claude Riquier: Apparatus and method for setting the level of a liquid in a chamber of an extracorporeal blood circuit. Hospal Industrie, Finnegan Henderson Farabow Garrett & Dunner, January 17, 1995: US05382227 (19 worldwide citation)

The invention relates to an apparatus and a method for setting the level of a liquid in a chamber of an extracorporeal blood circuit. The chamber contains liquid in its lower portion and air in its upper portion. It is connected to a pump for causing the quantity of air to vary in the chamber. Accor ...


5
Jacques Chevallet, Jean Claude Riquier, Carl Henry rndal, Allan Petersen: Single-needle circuit for circulating blood outside the body in blood treatment apparatus. Hospal Industrie, Finnegan Henderson Farabow Garrett & Dunner, July 13, 1993: US05227049 (16 worldwide citation)

A blood treatment apparatus having a circuit for circulating blood outside the body and designed to be connected to a patient via a single needle, including a blood treatment device such as a heamodialyzer, pumps for causing blood to flow through the circuit, a first blood expansion chamber located ...


6
Christian Clermont, Charles Pous, Julien Porta, Jean Claude Riquier: Apparatus with hollow fibres. Hospal Industrie, Finnegan Henderson Farabow Garrett & Dunner, August 18, 1992: US05139669 (15 worldwide citation)

The invention relates to an apparatus with hollow fibres, comprising: an elongate enclosure (41) at both ends of which there is a partition (48) supporting the open ends of a bundle of hollow fibres (47), the enclosure (41) being closed at each of its ends by a cover (50).


7
Jacques Chevallet, Jean Claude Riquier, Carl Henry Orndal, Allan Petersen: Extracorporeal blood circuit with single needle for blood treatment device. Hospal, Gambro, August 7, 1992: FR2672217-A1 (2 worldwide citation)

A blood treatment device comprises an extracorporeal blood circuit intended to be connected to a patient by way of a single needle (7). This circuit comprises a blood treatment apparatus (1) and two expansion chambers (12, 21) for the blood which are arranged on each side of the apparatus (1). Press ...


8
Jacques Chevallet, Jean Claude Riquier: Blood circulation command process in a single needle circuit.. Hospal, August 7, 1992: FR2672219-A1 (1 worldwide citation)

The invention relates to a process for commanding the alteration of the phases of aspiration and restitution of blood in a single-needle (3) extracorporal circuit consisting of an arterial portion (5) containing an arterial reservoir (7) as well as means (9) for opening and closing the circuit, whic ...


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Jean Claude Riquier: Extracorporal blood circuit chamber liquid levelling device and process.. Hospal, August 7, 1992: FR2672218-A1

The invention relates to a liquid levelling device and process for an extracorporal blood circuit chamber (6). The chamber contains liquid in its lower part and air in its upper part. It is connected to means, such as a pump (7), for varying the quantity of air in it. According to the invention, the ...