| Patent application number | Description | Published |
|---|
| 20090026146 | Flow Control System and Method with Variable Pressure and Variable Resistance - An infusion pump and method are provided which control flow rates with variable fluid pressure and variable series flow resistance. | 01-29-2009 |
| 20090131863 | Volume Measurement Using Gas Laws - A system and method for measuring fluid volume and changes in fluid volume over time, using a simple, low cost architecture is described. | 05-21-2009 |
| 20100063765 | Flow Sensor Calibrated by Volume Changes - An infusion pump and method are provided which combine flow rate measurements calibrated by accurate volume measurements over time. | 03-11-2010 |
| 20110028937 | AUTOMATED FLUID FLOW CONTROL SYSTEM - A system for controlled delivery of medicinal fluid includes a fluid pathway assembly defining a fluid pathway and including means for calculating a first calculated fluid flow rate using gas laws. The fluid pathway assembly has an inline flow sensor element received within the fluid pathway movable in response to fluid flowing in the fluid pathway. A flow control device is removably attached to the fluid pathway assembly and has a sensor for sensing a position of the inline flow sensor element in the fluid pathway, the position of the inline flow sensor element being representative of a second calculated fluid flow rate. The fluid pathway assembly includes a variable flow resistor adjustable to regulate a rate of fluid flow in the fluid pathway assembly. A drive mechanism attached to the flow control device is operably coupled to the variable flow resistor when the flow control device is attached to the fluid pathway assembly. The variable flow resistor is adjustable by the drive mechanism to achieve a target flow rate when the first calculated flow rate and/or the second calculated flow rate differs from the target flow rate. | 02-03-2011 |
| 20110046900 | IMPULSE ANALYSIS FOR FLOW SENSOR-BASED FLUID CONTROL SYSTEM - A fluid flow control system using flow rate changes to extract additional information from an in-line flow sensor. The system provides the ability to determine a position of a movable flow sensor element of a flow sensor by illuminating a photosensitive pixel array with a light source to create a first set of pixel intensity values, introducing an abrupt change to the fluid driving pressure, illuminating the photosensitive pixel array with a light source to create a second set of pixel intensity values, and calculating the difference between the first and second sets of pixel intensity values as a function of pixel position. | 02-24-2011 |
| 20110119089 | System and Method for Personal Electronic Medical Records - An electronic medical record system and method enables a patient and the patient's caregivers to create, maintain, and use an electronic medical record over a secured communication network, such as the Internet. | 05-19-2011 |
