Patent application number | Description | Published |
20080201231 | System and Method for Tracking User Activity in an Incentive Award System - A method of efficiently detecting a visit to a web site participating in an incentive award program, wherein the visit is detected at an information gathering system and wherein the information gathering system provides the incentive award program, the method including receiving a request message from a user including an award identifier, wherein the award identifier is associated with a predefined user activity and wherein the user sends the request message by activating a hyperlink presented on the participating web site during the visit; identifying a desired destination based on the request message received from the user, wherein the hyperlink advertises the desired destination to the user and wherein the desired destination is distinct from an address of the information gathering system at which the request message is received; and sending a redirect message to the user, wherein the redirect message includes an Internet address of the desired destination. | 08-21-2008 |
20080201472 | System and Method for Generating Personalized Offers Through an Information Gathering System - A method of generating a personalized offer for a user through an information gathering system disposed on the Internet includes storing a plurality of user profiles for a plurality of registered users in a profile database associated with the information gathering system, receiving an information request message at the information gathering system sent in response to the user activating a hyperlink presented on a participating web site, such that the participating web site is operated independently from the information gathering system and where the user activates the hyperlink in order to access an original intended destination distinct from the information gathering system, determining whether the user is one of the plurality of registered users, and retrieving the user profile from the profile database and sending a redirection message if the user is one of the plurality of registered users. | 08-21-2008 |
20090327026 | Method for Providing Custom Profile Analysis in a Demographic Information System - A method of providing demographic visitor information to a participating web site including registering a user with an information gathering system, wherein the information gathering system solicits personal information from the user and wherein the information gathering system maintains a profile for the registered user; detecting a visit of the registered user to a participating web site, wherein the participating web site is operated independently from the information gathering system; and providing a demographic information report to the participating web site, wherein the demographic information report is related to at least one registered user who has visited the participating web site. | 12-31-2009 |
Patent application number | Description | Published |
20090101550 | DIALYSIS SYSTEM HAVING NON-INVASIVE FLUID VELOCITY SENSING - A dialysis system includes a dialyzer; a blood pump coupled operably to a dialyzer; a dialysate inlet pump couple operably to a dialysate inlet of the dialyzer; a dialysate outlet pump coupled operably to a dialysate outlet of the dialyzer; a first non-invasive fluid velocity sensor positioned to sensor of inlet flowrate of dialysate pumped to the dialysate inlet by the dialysate inlet pump; and a second non-invasive fluid velocity sensor positioned to sense an outlet flowrate of dialysate pumped from the dialysate outlet by the dialysate outlet pump. | 04-23-2009 |
20090101576 | PRIMING AND AIR REMOVAL SYSTEMS AND METHODS FOR DIALYSIS - A renal treatment fluid priming method includes priming an extracorporeal circuit connected to a patient with a physiologically compatible fluid, the extracorporeal circuit including an arterial line, a venous line and blood compartment of a blood filter; and pumping from a renal treatment fluid line in communication with the blood filter (i) pulling blood from the patient through the arterial line to flush the physiologically compatible fluid through the arterial line and the blood filter compartment into the renal treatment fluid line and (ii) pulling blood from the patient through the venous line to flush the physiologically compatible fluid through the venous line and the blood filter compartment into the renal treatment fluid line, such that a greater volume of blood is pulled from the patient via (i) and (ii) than a volume of the extracorporeal circuit. | 04-23-2009 |
20120145615 | DIALYSIS SYSTEMS AND METHODS INCLUDING MOVING DIALYZER - A dialysis system includes a dialysis machine having a blood pump and a renal treatment fluid pump. The system further includes a blood filter operable with the dialysis machine and a device movably coupled to the blood filter and configured to move the blood filter to dislodge gas bubbles suspended within the blood filter. | 06-14-2012 |
20120227484 | NON-INVASIVE RADIO FREQUENCY LIQUID LEVEL AND VOLUME DETECTION SYSTEM USING PHASE SHIFT - A medical fluid system includes a medical fluid pump; a container holding a fluid to be pumped by the medical fluid pump, the fluid at a first time having a first conductivity, the fluid at a second time having a second conductivity; and a radio frequency level sensor positioned in operable relation with the container, the radio frequency operation of the level sensor configured so as to be (i) indicative of a level of the fluid in the container and (ii) at least substantially independent of whether the fluid has the first conductivity or the second conductivity. The medical fluid system can determine the level of medical fluid by measuring the resistance, impedance or phase shift seen by the sensor. | 09-13-2012 |
20120232471 | NON-INVASIVE RADIO FREQUENCY MEDICAL FLUID LEVEL AND VOLUME DETECTION SYSTEM AND METHOD - A medical fluid system includes a medical fluid pump; a container holding a fluid to be pumped by the medical fluid pump, the fluid at a first time having a first conductivity, the fluid at a second time having a second conductivity; and a radio frequency level sensor positioned in operable relation with the container, the radio frequency operation of the level sensor configured so as to be (i) indicative of a level of the fluid in the container and (ii) at least substantially independent of whether the fluid has the first conductivity or the second conductivity. The medical fluid system can determine the level of medical fluid by measuring the resistance, impedance or phase shift seen by the sensor. | 09-13-2012 |
20150021252 | DIALYSIS SYSTEM HAVING NON-INVASIVE FLUID VELOCITY SENSING - A dialysis system includes a dialysis instrument including a blood pump, a dialysate inlet pump, a dialysate outlet pump, and at least one fluid velocity sensor, each sensor including an emitter and a receiver, a dialyzer arranged (i) to receive blood pumped by the blood pump, (ii) to receive fresh dialysate pumped by the dialysate inlet pump and (iii) such that used dialysate is pumped from the dialyzer by the dialysate outlet pump, and a disposable cassette including a to-dialyzer dialysate pathway carrying dialysate pumped by the dialysate inlet pump and a from-dialyzer dialysate pathway carrying used dialysate pumped by the dialysate outlet pump, wherein at least one of the to-dialyzer dialysate pathway or the from-dialyzer dialysate pathway includes at least one sensing area so positioned and arranged such that when the disposable cassette is mounted to the instrument, the sensing area is coupled operably with both the emitter and the receiver of the at least one fluid velocity sensor. | 01-22-2015 |
20150033847 | NON-INVASIVE RADIO FREQUENCY LIQUID LEVEL AND VOLUME DETECTION SYSTEM AND METHOD USING PHASE SHIFT - A medical fluid system includes a container holding a fluid at a level; and a radio frequency level sensor operably connected to the container and including an emitting electrode and a receiving electrode, the electrodes operating as a transmission line having an electrical impedance that varies with the level or volume of the fluid in the container, the level sensor configured to measure a phase shift of the transmission line, the phase shift indicative of the level or volume of the fluid in the container. | 02-05-2015 |
Patent application number | Description | Published |
20090082649 | ACCESS DISCONNECT SYSTEM WITH OPTICAL AND OTHER SENSORS - An optical access disconnect system is useful for detecting the presence of blood. The optical access disconnect system includes one or more optical sensors placed near an access site of a patient, the optical sensors suitable for detecting the presence of blood, especially by detecting a difference in light reflected or absorbed by blood. The optical access disconnect system may also be used as an interlock to assure compliance. A detector may be placed adjacent the access site to detect the access needle, or an object or mark on the access needle or fluid line. A therapy machine, such as a dialysis machine, may be programmed not to start or continue operation unless the needle or fluid line is detected. The detector may be one of the optical sensors, calibrated or adjusted to detect a mark on the needle or access line, or may be another type of detector. | 03-26-2009 |
20090088675 | FLUID AND AIR HANDLING IN BLOOD AND DIALYSIS CIRCUITS - An air purging method includes: (a) detecting a low fluid level in a blood circuit indicating a high amount of air in the blood circuit; (b) stopping a blood pump; (c) closing a venous patient line; (d) opening a blood circuit air vent valve and a drain valve; and (e) running the blood pump to meter air through the air vent valve and the drain valve to a drain. | 04-02-2009 |
20100022935 | ELECTROMAGNETIC INDUCTION ACCESS DISCONNECT SENSOR - A connection of a patient's vascular system to an extracorporeal blood treatment machine is monitored to ensure the patient's safety during a procedure. The procedure may be hemodialysis, apheresis, plasmapheresis, a coronary by-pass operation, or other procedure. To ensure safe electrical connection, a contact and a return are connected via a conductive connection into the extracorporeal blood circuit. A current is then generated between the contact and the return and is monitored by a non-contact sensor near an access site of the patient. If the current or other quantity related to the current changes significantly, a signal is sent to the machine or a controller to notify a caregiver or a medical professional. The signal may also be sent to immediately stop a blood pump or other component of the machine. | 01-28-2010 |
20120101422 | ELECTROMAGNETIC INDUCTION ACCESS DISCONNECT SYSTEMS - An access disconnect system includes a blood processing machine having a blood pump operable with blood tubing, first and second conductive contacts located in the blood tubing on an arterial tubing side of a blood filter. The first conductive contact is located upstream of the blood pump and the second conductive contact is located downstream of the blood pump. The first and second conductive contacts are positioned and arranged to form a conductive circuit including a vascular system of a patient and the blood processing machine. The system further includes a source of electric current connected to at least one of the first and second conductive contacts and a transmitter for sending a signal indicative of an amount of current flowing through the conductive circuit when the source of electric current is applied. | 04-26-2012 |
20120296279 | ACCESS DISCONNECTION METHOD USING OPTICAL AND OTHER SENSORS - A method for detecting movement or disconnection of a needle at an access site of a patient comprising: sensing for a presence of blood at the access site while a medical procedure is performed on the patient; separately sensing for a movement of (i) the needle or (ii) tubing connected to the needle; and sending a signal indicating movement or disconnection of the needle if one of (a) the presence of blood is sensed or (b) movement is sensed under (i) or (ii). | 11-22-2012 |
20130248449 | FLUID AND AIR HANDLING IN BLOOD AND DIALYSIS CIRCUITS - An air purging method includes: (a) detecting a low fluid level in a blood circuit indicating a high amount of air in the blood circuit; (b) stopping a blood pump; (c) closing a venous patient line; (d) opening a blood circuit air vent valve and a drain valve; and (e) running the blood pump to meter air through the air vent valve and the drain valve to a drain. | 09-26-2013 |
20130310726 | Home Medical Device Systems and Methods for Therapy Prescription and Tracking, Servicing and Inventory - A home medical device system includes a plurality of home therapy machines that perform a home therapy on a patient; a connectivity server; a system hub coupled to the home therapy machines through the connectivity server; a web portal configured to access the system hub; a plurality of clinics connected to the system hub via the web portal; and a website accessible via the web portal, the website including a patient portion available to patients using the plurality of home therapy machines, the website further including a clinician portion that enables the clinics to manage the home therapy machines. | 11-21-2013 |
20140338756 | BLOOD TREATMENT AIR PURGING METHODS - An air purging method includes: (a) detecting a low fluid level in a blood circuit indicating a high amount of air in the blood circuit; (b) stopping a blood pump; (c) closing a venous patient line; (d) opening a blood circuit air vent valve and a drain valve; and (e) running the blood pump to meter air through the air vent valve and the drain valve to a drain. | 11-20-2014 |