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| Number | Title | Issue Date |
| 7794419 | Apparatus for controlling blood flow in an extracorporeal circuit The apparatus for blood flow control in an extracorporeal circuit comprises: a user interface for setting a desired blood flow value (qbREAL) and a datum relating to the vascular access, a memory for recording a plurality of mathematical relations having ... | 09/14/2010 |
| 7351234 | Urine collection and disposal system A urine collection and disposal system and method applies subatmospheric pressure to a receptacle open to atmospheric pressure which has a urine outlet in fluid communication with a source of subatmospheric pressure. The receptacle receives urine in the receptacle f... | 04/01/2008 |
| 7351218 | Device and process for extracorporeal treatment by citrate anticoagulant A device for treating blood by extracorporeal circulation comprising a filter having a first chamber and a second chamber separated by a semi-permeable membrane. The device has an arterial line connected to the first chamber of the filter, a venous line issuing from... | 04/01/2008 |
| 7338461 | Modified organ support devices Methods and devices are provided that improve the function of organ support devices, and also provided are improved methods of treating conditions associated with hemodynamic instability. ... | 03/04/2008 |
| 7172569 | Method and device for determining blood flow in a vascular access A method and a device for determining the blood flow QF in a vascular access (F) during an extracorporeal blood treatment is described, where the blood enters the blood treatment unit (3) of the blood treatment machine through an arterial branch ( | 02/06/2007 |
| 7147616 | Method for emptying a blood circuit of an apparatus for the extracorporeal treatment of blood A method for emptying a blood circuit of an apparatus for the extracorporeal treatment of blood after interrupting a treatment session. The apparatus has a blood treatment device with first and second compartments separated by a semi permeable membrane, an arterial ... | 12/12/2006 |
| 7138088 | Access disconnection system and methods Apparatuses, devices, systems and methods for detecting access disconnection are provided. The present invention includes electrical contacts in fluid and electrical communication with a fluid passing between a patient and a medical system during therapy. In this re... | 11/21/2006 |
| 7130780 | Method and instrument for electronically recording and imaging fluid washover via measuring characteristics of the fluid at multiple locations simultaneously An array of electrically isolated electrode pairs in combination with a specially configured processor, e.g., a personal computer, is employed to obtain a continuous real-time acquisition, processing, mapping and visualization of fluid washover. In a specific applic... | 10/31/2006 |
| 7037428 | Integrated automatic blood processing unit A system for automatically processing blood components is described. The system includes a console, which contains all motors, pumps, sensors, valves and control circuitry, and a unique disposable set that includes a cassette supporting a centrifuge with an improved... | 05/02/2006 |
| 6979423 | Cardiopulmonary bypass device and method A method and system for performing a cardiopulmonary bypass procedure are provided. The method includes accessing a source of blood in a patient body from which source the blood is to be passed through a cardiopulmonary bypass machine, drawing blood from the source ... | 12/27/2005 |
| 6913588 | Extracorporeal fluid circuit and related methods A circuit for extracorporeal treatment of a body fluid, the circuit including in serial fluidic communication an inlet for receiving the body fluid from a patient, a first pump, a first treatment device for processing the body fluid, a second pump, an outlet for ret... | 07/05/2005 |
| 6890315 | Method and apparatus for vein fluid removal in heart failure A method and apparatus for ultrafiltration of blood operating by removing blood from a peripheral blood vessel at a rate of less than two percent of total cardiac output of a patient, extracting fluid at a rate of 0.1 liter to 1.0 liters per hour while retaining cel... | 05/10/2005 |
| 6827698 | Method and device for determining blood flow in a vascular access A method and a device for determining the blood flow QF in a vascular access (F) during an extracorporeal blood treatment is described, where the blood enters the blood treatment unit (3) of the blood treatment machine through an arterial branch ( | 12/07/2004 |
| 6796955 | Method to control blood and filtrate flowing through an extracorporeal device A method and apparatus are disclosed for controlling blood flow through an extracorporeal blood circuit having a controller comprising the steps of: withdrawing the blood from a withdrawal blood vessel in a patient into the extracorporeal circuit, treating the blood... | 09/28/2004 |
| 6663585 | Method and device for monitoring vessel access during extracorporeal blood treatment A method and device for monitoring vascular access is described. A field coil is placed at a location on an extracorporeal circulation loop connected to the vascular system of a patient, and an induction coil is placed at another different location. A vol... | 12/16/2003 |
| 6635026 | Haemofiltration machine for independently controlling the concentration of a least two ionic substances in a patient's internal medium A haemofiltration machine designed to work with a haemofilter comprises two compartments separated by a semipermeable membrane, one compartment having an inlet connected to a withdrawing tube for taking blood from the patient and an outlet connected to a ... | 10/21/2003 |
| 6561997 | Extracorporeal fluid circuit and related methods A circuit for extracorporeal treatment of a body fluid, the circuit including in serial fluidic communication an inlet for receiving the body fluid from a patient, a first pump, a first treatment device for processing the body fluid, a second pump, an out... | 05/13/2003 |
| 6537240 | Method for determining the recirculation of blood in a vascular access and a system for implementing same In an extracorporeal blood treatment system, non-treated blood may be withdrawn from a patient through an arterial line connected to a first compartment of a blood treatment apparatus. The blood treatment apparatus also includes a second compartment separ... | 03/25/2003 |
| 6454736 | Method of filling a tube system with a rinsing liquid and a tube system for use with this method A tube system comprising a blood inlet line with an arterial patient connection and a blood return line with a venous patient connection, where a rinsing liquid inlet line branches off from the blood inlet line downstream from the arterial patient connect... | 09/24/2002 |
| 5957879 | Methods and devices for maintaining cardiopulmonary bypass and arresting a patient's heart An endovascular system for arresting a patient's heart and maintaining the patient on cardiopulmonary bypass. A venous cannula, venting catheter and an aortic occlusion device are all coupled together so that the blood drawn into each of these catheters m... | 09/28/1999 |
| 5810757 | Catheter system and method for total isolation of the heart A system for providing total isolation of the heart includes an extracorporeal support apparatus. An arterial circulation support catheter is provided having a blood lumen with a proximal end coupled to the extracorporeal support apparatus and a distal en... | 09/22/1998 |
| 5762624 | Venous cannula A process for inducing cardioplegic arrest of a heart in situ in a patient's body, comprising maintaining the patient's systemic circulation by peripheral cardiopulmonary by-pass, occluding the ascending aorta through a percutaneously placed arterial ball... | 06/09/1998 |
| 5725768 | Granulocyte removing apparatus Granulocytes can be removed from blood by bringing the blood into contact with a carrier having higher affinity to granulocytes than to lymphocytes. the carrier may preferably be a substance having a contact angle in a range of 55°-95° to water, e.g., p... | 03/10/1998 |
| 5711883 | Method for testing dialyzer integrity prior to use The present invention includes a method and apparatus for the testing the integrity of a dialyzer prior to use. The dialyzer is tested on the same hardware used for the treatment of dialysis. The dialysate and blood sides of the dialyzer are primed in the... | 01/27/1998 |
| 5685835 | Technique for using a dialysis machine to disinfect a blood tubing set A method of disinfecting a blood tubing set on a dialysis machine after the blood tubing set has been used in a dialysis treatment. One end of the blood tubing set is connected to a disinfection port on the dialysis machine and an opposite end of the bloo... | 11/11/1997 |
| 5650071 | Technique for priming and recirculating fluid through a dialysis machine to prepare the machine for use A technique for automatically priming and recirculating sterile fluid through an extracorporeal circuit of a dialysis machine having a blood pump, a dialyzer, and a blood tubing set including an arterial line for drawing blood from a patient and a venous ... | 07/22/1997 |
| 5529685 | Dialysis system for returning blood in the system after the completion of dialysis The dialysis apparatus in accordance with the present invention is provided with main piping connecting a blood inlet and a blood outlet, and having disposed therealong a blood pump, a dialyzer, and a venous-side chamber, in that order from the blood inle... | 06/25/1996 |
| 5470483 | Device and method for controlling the balance of fluids in an extracorporeal blood circuit A device and method are provided for controlling the balance of fluids during an extracorporeal blood treatment session, according to which treatment, a certain quantity of liquid is withdrawn from the blood which is compensated for by the injection of a ... | 11/28/1995 |
| 5366630 | Artificial kidney and a method of controlling it The artificial kidney includes an exchanger having two compartments separated by a semipermeable membrane, the first compartment of which is connected to a circuit for conveying a flow of blood outside the body. A source of treatment liquid is provided, a... | 11/22/1994 |
| 4964847 | Method and apparatus for estimating hematocrit in a blood constituent processing system During an initial priming procedure, the blood draw/return needle(s) fluid flow system is primed with a nonblood fluid (e.g. a saline solution) having known fluid viscosity. The pressure drop occurring across the needle orifice(s) is determined at a knonw... | 10/23/1990 |
| 4963265 | Plasma processing device with anaphylatoxin remover Blood derived fluids are subjected to modification resulting in the production of anaphylatoxins. The anaphylatoxins may then be removed by passing the modified blood through silicic acid particles in an amount sufficient to substantially reduce the anaph... | 10/16/1990 |
| 4955857 | Multi-enzyme bioreactor therapy for cancer A new therapy for cancer which involves removal from circulation of several nonessentials amino acids, some essential amino acids and folic acid simultaneously and continuously for long-term therapy is disclosed. The therapy uses extracorporeal blood circ... | 09/11/1990 |
| 4894164 | Apparatus for treating blood in an extracorporeal circuit An apparatus for treating blood in an extracorporeal circuit for hemodialysis of hemofiltration and a method for withdrawing heat from blood in an extracorporeal circuit wherein blood is brought into contact along a membrane with a treatment solution whic... | 01/16/1990 |
| 4767399 | Volumetric fluid withdrawal system A system for withdrawing a predetermined volume of fluid from a patient comprises a filter assembly which is connected in line for fluid communication between an artery and a vein of the patient. A pump having a fluid chamber is connected in fluid communi... | 08/30/1988 |
| 4708714 | Apparatus for the separation of fractions from body fluids An apparatus is disclosed for the separation of one or more fractions out of whole blood, plasma, or other similar body fluids utilizing an adsorption column comprising means for feeding the fluid to the column and means for the removal of same. The appar... | 11/24/1987 |
| 4675002 | Liver assist device employing transformed cell lines An improved extracorporeal liver assist device and method is provided which employs a blood perfusion membrane cultured with initially transformed hepatocytes until a confluent monolayer is developed, whereupon the hepatocytes are reverted to the somatic ... | 06/23/1987 |
| 4650458 | Apparatus for the measurement of fluid flow Apparatus is disclosed for the measurement and replacement of physiological fluids including a meter for measuring the amount of a physiological fluid flowing through the meter, a first conduit for continuously delivering the physiological fluid to the me... | 03/17/1987 |
| 4596549 | Blood dialyzing method and apparatus The blood of a patient to be dialyzed is circulated out of the patient's body through an extracorporeal circuit including a blood pump and a dialyzer. The dialyzer has a solution supply piping for the supply of a dialyzing solution thereto and a discharge... | 06/24/1986 |
| 4563170 | Device for in vivo purification of blood Device for in-vivo purification of the blood, with which blood pumped from a vein is subjected to intensive ultrafiltration and the filtrate, together with a quantity of the substitution fluid volumetrically corresponding to the filtrate, is returned to t... | 01/07/1986 |
| 4559034 | Line for use in body fluid treatment A method for treating blood uses a tubular body fluid passageway member at least part of which is made of a flexible material, an outer tubular member which is made of a nonflexible material and contains said tubular body fluid passageway member hermetica... | 12/17/1985 |
