A61M2210/1082

Elution Protocols and Dosages for Radiopharmaceutical Elution System

A radioisotope elution system is provided. The radioisotope elution system may comprise a controller that is configured to calculate the available amount of daughter radioisotope at any time during establishment of the equilibrium for decay of the parent radioisotope into its daughter radioisotope. The radioisotope elution system may comprise a controller that is configured to schedule various patient infusions planned for the next following days and weeks in accordance with the available amount of daughter radioisotope on each day. The elution system may also comprise a controller that is connected to the imaging software of a radioisotope imaging device, where the radioisotope imaging device is arranged for imaging the patient or a region of the patient; and the controller is configured to start an image acquisition at a predetermined time.

Medical device data integration apparatus and methods

Methods, systems, and apparatuses for integrating medical device data are disclosed. In an example embodiment, an integration engine receives infusion therapy progress data from an infusion pump and renal failure therapy progress data from a renal failure therapy machine. The integration engine determines a plurality of different types of infusion parameters, determines a plurality of different types of renal failure therapy parameters, and causes a combination user interface to display the plurality of infusion parameters, the plurality of renal failure therapy parameters, and mathematical operations for selection by an operator. The integration engine enables the operator to create derivative data by receiving a selection of an infusion parameter, a renal failure therapy parameter, and a mathematical operation. The integration engine then causes the combination user interface to display the derivative data in conjunction with the infusion therapy progress data and the renal failure therapy progress data.

Pump Assembly and System for Inducing Negative Pressure in a Portion of a Urinary Tract of a Patient

A pump assembly for increasing urine output from a patient includes at least one ureteral catheter including: a distal portion having a retention portion configured to be positioned in a patient's kidney, renal pelvis, and/or ureter; and a proximal portion defining a drainage lumen. The retention portion includes at least one drainage port which permits fluid flow into the drainage lumen. The pump assembly further includes a pump configured to provide negative pressure to at least one of the renal pelvis or kidney through the drainage lumen of the at least one ureteral catheter. The pump includes at least one fluid port in fluid communication with the drainage lumen of the proximal portion of the ureteral catheter for receiving fluid from the patient's kidney, wherein at least a portion of the pump is configured to be positioned within a patient's body.

Stent delivery system

An stent delivery system may include a delivery device and a tubular body having a lumen sized to slidably fit about an outer diameter of the delivery device and a drainage stent having an anchoring mechanism, wherein the delivery device includes a constraining member configured to engage an external portion of the tubular body at the proximal end of the delivery device. A method of delivering a stent may include inserting a tubular body into the port of an endoscope, inserting a stent delivery device and a stent having an anchoring mechanism into the tubular body, wherein the delivery device includes a constraining member configured to engage and retain the tubular body at the proximal end of the delivery device, advancing the drainage stent distally through the tubular body, sliding the tubular body proximally, and engaging an external portion of the tubular body with the constraining member.

Method of Removing Excess Fluid from a Patient with Venous Congestion

A method for increasing urine output rate from a patient having venous congestion is provided. The method includes: deploying a urinary catheter into the patient such that flow of urine from the ureter and/or kidney is transported within a drainage lumen of the catheter; applying negative pressure to the ureter and/or kidney through the drainage lumen of the catheter to extract urine from the patient; periodically measuring an edema value of the patient; and if the measured edema value is less than or equal to Grade 1 in which the depth of indentation is less than about 2 mm after about 10 seconds, ceasing the application of the negative pressure to the ureter and/or kidney.

USE OF CARDIAC ASSIST DEVICE TO IMPROVE KIDNEY FUNCTION
20200237987 · 2020-07-30 ·

Systems and methods for improving kidney function. A first mechanical circulatory support system (MCS) is introduced in a patient's heart, and a second mechanical circulatory support system is introduced in a patient's inferior vena cava or renal vein. The second mechanical circulatory support system is operated while the first mechanical circulatory support system is operating. A renal parameter is monitored during. Combined operation of the two mechanical circulatory support systems results in a change in renal parameter, e.g. pressure drop in the renal vein, indicating an improvement in kidney function. Once the renal parameter is determined to be below a target threshold, operation of the second mechanical circulatory support device is stopped.

Method for preventing contrast induced nephropathy
10722638 · 2020-07-28 ·

The invention relates to a method to prevent contrast-induced nephropathy during an imaging procedure. The method includes steps of positioning balloon catheters in a patient's renal arteries and renal veins and inflating the balloons of each catheter to block the flow of contrast media into the patient's kidneys.

Real-time display of treatment-related tissue changes using virtual material

In some embodiments, data sensed and/or operational parameters used during a catheterization procedure are used in the motion frame-rate updating and visual rendering of a simulated organ geometry. The organ geometry is rendered as a virtual material using a software environment (preferably a graphical game engine) which applies simulated optical laws to material appearance parameters affecting the virtual material's visual appearance, as part of simulating a scene comprising the simulated organ geometry, and optionally also comprising simulated views of a catheter probe used for sensing and/or treatment. Optionally, measurements of and/or effects on tissue by sensing and/or commanded probe-tissue interactions are converted into material appearance changes, allowing dynamic visual simulation of intra-body states and/or events based on optionally non-visual input data. In some embodiments, physiology, motion physics, and/or other physical processes are simulated based on live inputs as part of associating material appearance properties to the simulated tissue's geometry.

PERCUTANEOUS ACCESS DEVICE WITH ADJUSTABLE DEPTH STOP

A percutaneous nephrolithotomy (PCNL) needle may include a cannula including a shaft and a cannula hub coupled to a proximal end of the cannula shaft. A depth guide may be disposed on an outer surface of the cannula shaft. A stylet may be disposable within the cannula lumen and may include a tapered point at a distal end of the stylet and a stylet hub coupled to a proximal end of the stylet that is configured to be releasably securable to the cannula hub. An adjustable depth stop may be releasably securable to the cannula shaft at a desired position relative to the depth guide, the adjustable depth guide capable of being manipulated between an adjustment configuration in which the adjustable depth guide is moveable relative to the cannula shaft and a secured configuration in which the adjustable depth guide is secured relative to the cannula shaft.

Ureteral and Bladder Catheters and Methods of Inducing Negative Pressure to Increase Renal Perfusion
20200206470 · 2020-07-02 ·

A ureteral catheter includes a drainage lumen having a proximal portion configured to be positioned in at least a portion of a patient's urethra and/or bladder and a distal portion configured to be positioned in a patient's kidney, renal pelvis, and/or in the ureter adjacent to the renal pelvis. The distal portion includes a retention portion for maintaining positioning of the distal portion of the drainage lumen. The retention portion includes a plurality of sections, each section having one or more openings on a sidewall of the retention portion for permitting fluid flow into the drainage lumen. A total area of openings of a first section of the plurality of sections is less than a total area of openings of an adjacent second section of the plurality of sections. The second section is closer to a distal end of the drainage lumen than the first section.