Quotables
"There is no reason anyone would want a computer in their home."
Ken Olsen, chairman and founder of Digital Equipment Corporation ; 1977
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 5725773 | Method and apparatus for determining the quantity of oremic toxins removed by a hemodialysis treatment An apparatus and a method are provided for collecting samples of used dialysate during hemodialysis treatments. A fluid sample is branched off from the main flow of used dialysate into a sample receiving container. The branching off of the sample flow, i.... | 03/10/1998 |
| 5725775 | Artificial kidney dosing method An artificial kidney dosing method includes the steps of connecting a patient to an exchanger having first and second compartments separated by a semipermeable membrane. The first compartment is connected to a circuit for extracorporeal blood circulation,... | 03/10/1998 |
| 5725776 | Methods for ultrafiltration control in hemodialysis Methods and apparatus for increasing the accuracy of ultrafiltration in a dialysis machine and decreasing the time required for dialysis. The machine inclused a substantially non-compliant tank for mixing and storing a batch of dialsyate. In a preferred f... | 03/10/1998 |
| 5716531 | Method for determining sodium clearance of dialyzer A method is described for determining the sodium clearance of a dialyzer. Dialysate containing sodium ions is circulated through the dialysate side of the dialyzer. Water is continuously circulated through the blood side of the dialyzer, the water being s... | 02/10/1998 |
| 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 |
| 5711881 | Hematopoietic inhibiting factor containing compositions The present invention relates to hematopoietic inhibiting factor-containing compositions which inhibit colony formation of CFU-E, comprising a substance obtained in the fraction eluting at exclusion limit by gel filtration using a gel having maximum molec... | 01/27/1998 |
| 5709993 | Process for anticoagulation during extracorporeal blood circulation sequentially using citrate or nafamostat and heparin Process for preventing activation of enzyme systems such as coagulation and activation of complement system or bradykinin system in extracorporeal blood circulation in haemodialysis and similar procedures, by means of sequential anticoagulation, which com... | 01/20/1998 |
| 5702606 | Method of priming dialyzer A method is described for priming a dialyzer placed in an extracorporeal circuit of a hemodialysis machine in situ. The method comprises the steps of substantially filling the extracorporeal circuit and the blood side of the dialyzer with fluid (such as d... | 12/30/1997 |
| 5698090 | Artificial kidney for adjusting a concentration of substance in blood An artificial kidney comprises an exchanger (1) having two compartments (2, 3) separated by a semipermeable membrane (4), a first compartment (2) being connected to a circuit (5, 7) for extracorporeal blood circulation, the second compartment (3) having a... | 12/16/1997 |
| 5690821 | Apparatus for supplying a batch of chemicals to a dialysate tank A loading platform and chemical addition system are described for a machine that prepares a batch of dialysate. The loading platform is in fluid communication with a dialysate preparation tank, and receives chemical vessels that contain a batch quantity o... | 11/25/1997 |
| 5690831 | Method of rinsing back blood to hemodialysis patient A method is described herein for automatically rinsing blood back to a patient. The method comprises the steps of pumping dialysate (or, alternatively, saline solution) through a dialyzer into an extracorporeal circuit, and pumping blood in the extracorpo... | 11/25/1997 |
| 5685989 | Method and apparatus to measure blood flow and recirculation in hemodialysis shunts The measurement of blood flow in a dialysis shunt is obtained by injection of an indicator material into a venous line leading from dialysis equipment to the shunt. The blood flow in an arterial line leading from the shunt at a location downstream of the ... | 11/11/1997 |
| 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 |
| 5685988 | Dialysis process and system Disclosed is a method and apparatus for the quantification of solute removal during hemodialysis. The method relies upon discontinuing the flow of fresh dialysate to the dialyzer and recirculating the dialysate in a closed loop through the dialyzer. Recir... | 11/11/1997 |
| 5679245 | Retention device for extracorporeal treatment apparatus Blood from a patient is treated extracorporeally by any selected one of a plurality of predetermined treatments. Each of the treatments involves the flow of blood from the patient into a primary chamber of a filtration unit, past a semipermeable membrane ... | 10/21/1997 |
| 5674404 | Filter integrity test method for dialysis machines A method is described for automatically testing the integrity of a dialyzer filter within a dialysis machine. The method consists of substantially removing fluids which may be present from the blood side of the dialyzer filter, pumping air into the blood ... | 10/07/1997 |
| 5670057 | Apparatus and method for automatically performing peritoneal equilibration tests There is disclosed a method and apparatus for automatically conducting peritoneal equilibration testing. The method involves removing a sample of overnight dwell fluid from a patient in an amount sufficient to determine the concentration of a metabolite i... | 09/23/1997 |
| 5670050 | Method for detection of leakage of blood A method for detecting the presence of blood in a dialysate solution is disclosed. The method provides for certain measurement of light intensity passing through solutions both before and during the dialysis session. Before dialysis is commenced, measurem... | 09/23/1997 |
| 5662806 | Hemodialysis monitoring system for hemodialysis machines An improved on-line real time hemodialysis monitoring system for hemodialysis treatment. The hemodialysis monitoring system quantitates the rate and amount of a constituent, such as urea, removed during the hemodialysis treatment by measuring the constitu... | 09/02/1997 |
| 5660722 | Hemo(dia)filtration apparatus and filtrate flow regulator Described is a hemo(dia)filtration apparatus (10) with two blood filters (60) and (12) connected in series and a sterile filter (38) connected upstream thereof. The first chambers (64) and (14) and the second chambers (68) and (16) of both blood filters (... | 08/26/1997 |
| 5656153 | Water-removal control system with timer display for dialysis device A water-removal control system for dialysis device includes a volume-setting device for setting a planned volume of water to be removed; a rate-setting device for setting a water-removing rate; and a time-display for calculating from the planned volume of... | 08/12/1997 |
| 5651893 | Disinfection of dialysis machine High level disinfection of a home hemodialysis machine is achieved without the use of disinfection chemicals. The machine has a water treatment module, an extracorporeal circuit and a dialysate circuit. Purified water is heated to a high level disinfectio... | 07/29/1997 |
| 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 |
| 5645734 | Dialysate separation method A method for maintaining separation of old and new dialysate in a dialysate preparation tank is disclosed. The new dialysate is stored in the tank at a first temperature and withdrawn from the bottom of the tank. The dialysate is circulated through a dial... | 07/08/1997 |
| 5641405 | Method and apparatus for purified pulse peritoneal dialysis using a single pump The present invention provides an improved peritoneal dialysis method and system. The system comprises a single catheter that is placed in the patient, a source of dialysate, and a diatyzer in fluid communication with the source of dialysate and the cathe... | 06/24/1997 |
| 5632897 | Method for removing aluminum ions from blood A method for removing aluminum from blood includes the step of adding to the blood an anticoagulant and a complexing agent for aluminum or one compound effective in both preventing coagulation of blood and capable of complexing aluminum. The complexing ag... | 05/27/1997 |
| 5628908 | Peritoneal dialysis systems and methods employing a liquid distribution and pump cassette with self-contained air isolation and removal Systems and methods for peritoneal dialysis establish flow communication between a patient's peritoneal cavity and a drain through a pump chamber having generally vertically spaced upper and lower regions andt a diaphragm. The systems and methods operate ... | 05/13/1997 |
| 5629871 | Wear trend analysis technique for components of a dialysis machine The wear on components in a dialysis machine is analyzed for the purpose of making repair and maintenance decisions. The actual performance of components is used to establish a test value. The test value is compared to a threshold value which represents t... | 05/13/1997 |
| 5624572 | Power management system and method for maximizing heat delivered to dialysate in a dialysis machine The amount of electrical power delivered to a dialysate heater in the dialysis machine is maximized without substantially exceeding a predetermined maximum allowed power consumption for the dialysis machine. The instantaneous power consumed by the machine... | 04/29/1997 |
| 5620608 | Information entry validation system and method for a dialysis machine Information is entered and validated by the operator of a dialysis machine by converting the entered information into a first form using a first conversion relationship such as ASCII. The information in the first form is next converted into a second form ... | 04/15/1997 |
| 5618441 | Single microcontroller execution of control and safety system functions in a dialysis machine A dialysis machine uses a single microcontroller to perform both safety system functions and control system functions. A single segmented memory records the safety system code and data separately and in isolation from the control system code and data. Acc... | 04/08/1997 |
| 5616248 | Method for the preparation of hemodialysis fluids containing bicarbonate In the method for the preparation of bicarbonate-containing hemodialysis fluids of individually adaptable compositions according to specific therapeutic requirements of patients a combination of a quantitatively greatly predominating basic concentrate of ... | 04/01/1997 |
| 5609770 | Graphical operator machine interface and method for information entry and selection in a dialysis machine A graphical operator machine interface for a dialysis machine and a method of graphically programming the dialysis machine involves graphically accessing substantially all typical machine operating and dialysis treatment parameters employed in a typical d... | 03/11/1997 |
| 5605630 | Blood flow direction changeover device and method for hemodialyzer Blood guided out of the artery of a patient by a blood pump is introduced into an arterial inlet of a blood flow direction changeover device, and it is then guided from the outlet of the changeover device to a dialzyer through an inlet thereof. The blood ... | 02/25/1997 |
| 5603902 | Method and apparatus for cleaning a dialysate circuit downstream of a dialyzer A method and apparatus for cleaning of a dialysate circuit located downstream of the dialyzer in a dialysis machine is described. The method comprises injecting a cleaning agent into the dialysis machine at a point between the dialyzer inlet port and the ... | 02/18/1997 |
| 5591344 | Hot water disinfection of dialysis machines, including the extracorporeal circuit thereof A dialysis machine is disclosed that incorporates a water treatment module, a dialysate preparation module having a dialysate circuit, and an extracorporeal circuit including a dialyzer and arterial and venous blood lines that connect to the patient. The ... | 01/07/1997 |
| 5589070 | Method and apparatus for cleaning a dialysate circuit downstream of a dialyzer An improved dialysis apparatus and method wherein a dialysis delivery system delivers dialysate to a dialyzer through an external dialysate line with a dialyzer inlet connector and a dialysate waste system removes spent dialysate from the dialyzer through... | 12/31/1996 |
| 5585003 | Treatment of dialysis feedwater using ozone A process is disclosed for treatment of dialysis feedwater using ozone. The ozone is added to the feedwater storage tank. It is removed prior to use of the feedwater in dialysis using ultraviolet light. A process for disinfecting a dialysis feedwater loop... | 12/17/1996 |
| 5580460 | Process for determining the operability of the structural components in the dialysis section of a dialyzer of a hemodialysis apparatus and apparatus for executing this process A method and apparatus for monitoring the operability of components in a hemodialysis apparatus during dialysis treatment. The dialyzer is isolated from the dialyzing liquid circuit for a time interval during dialysis treatment. During the isolation time ... | 12/03/1996 |
| 5578223 | Artificial kidney and method for adjusting a concentration of substance in blood using thereof An artificial kidney comprises an exchanger (1) having two compartments (2, 3) separated by a semipermeable membrane (4), a first compartment (2) being connected to a circuit (5, 7) for extracorporeal blood circulation, the second compartment (3) having a... | 11/26/1996 |
