A61M5/16886

ISOVOLUMETRIC PUMP AND SYSTEMS AND METHODS THEREOF
20230047991 · 2023-02-16 ·

The disclosure provides for an isovolumetric pump system for the removal of a thrombus and a method of use thereof. The isovolumetric pump system includes at least one inflow container connected to an output of the treatment region, at least one outflow container connected to an input of the treatment region, and a drawbar connecting the inflow container and the outflow container. As the drawbar is drawn back, the same quantity of fluid is drawn from the treatment region into the inflow container and injected into the treatment region from the outflow container.

INFUSION PUMPS AND METHODS WITH SHAPE MEMORY WIRE DRIVEN SYRINGE MECHANISM
20230047034 · 2023-02-16 ·

Disclosed herein are apparatuses and methods for a user-wearable infusion pump actuated with a shape memory alloy (SMA) wire. Embodiments enable an SMA wire driven infusion pump using a single length of SMA wire to provide multiple pulse sizes and corresponding medicament dispensing sizes. The multiple pulse sizes can include a larger pulse size for larger volumes to limit battery drain but smaller pulse sizes for precision of delivery.

System and method for controlling administration of medical fluid
11577021 · 2023-02-14 · ·

A pump device includes a pump driver comprising a first diaphragm and a second diaphragm, the first and second diaphragms each comprising a middle portion bounded by an outer portion, the first and second diaphragms being spatially separated from each other at the respective outer portions, and coupled together at the respective middle portions. The pump also includes a fluid passageway and a pump chamber fluidly connected to the fluid passageway, wherein the pump chamber comprises a moveable wall coupled to the pump driver at the middle portions of the first and second diaphragms such that a fluid movement between the pump chamber and the fluid passageway is induced by movement of the middle portions. An input device is configured to obtain a target flow rate. A controller is configured to operate the pump driver and a flow regulator based on signals received from a flow detector.

Fluid management system
11554214 · 2023-01-17 · ·

A surgical fluid management system includes a console and a cassette for delivering fluids to a surgical site. The console has a pump rotor and a pressure-sensing membrane. The cassette has a cassette housing, a flexible fluid delivery tube in the housing. The flexible fluid delivery tube has a lumen configured to interface with the pump rotor and to deliver a flow of fluid from a fluid source as the rotor is rotated. A pressure-transmitting membrane is located in a wall of the cassette housing and in fluid communication with said fluid delivery lumen. The pressure-transmitting membrane flexes outwardly in response to a positive pressure in the lumen and flexes inwardly in response to a negative pressure in the lumen. The pressure-transmitting membrane detachably adheres to or presses against the pressure-sensing membrane to cause the pressure-sensing membrane to move in response to pressure changes in the flexible fluid delivery tube.

Infusion Pump Apparatus, Method and System

An infusion pump system is disclosed. The infusion pump system includes an infusion pump and a controller device in wireless communication with the infusion pump, wherein the controller including instructions for controlling the infusion pump, wherein the instructions may be synchronized with a secure web portal.

Pump for measuring pressure of fluid to be transferred, fluid transport system using the same, and method for operating the system

The present invention discloses a pump for measuring a pressure of fluid to be transferred, a fluid transport system using the same, and a method for operating the system. The pump includes a pumping portion alternately generating a positive pressure and a negative pressure; a first diaphragm which is provided on one side of the pumping portion and of which a shape is changed as the positive pressure and the negative pressure are alternately generated; a transport chamber which sucks and discharges a transport target fluid corresponding to the deformation of the first diaphragm; a second diaphragm which is provided on the other side of the pumping portion; a monitoring chamber which is provided on one side of the second diaphragm and of which a pressure changes corresponding to the deformation of the second diaphragm; and a pressure measuring portion measuring a pressure change of the monitoring chamber.

System and methods for fluid delivery

A system for at least partial closed-loop control of a medical condition is disclosed. The system includes at least one medical fluid pump. The medical fluid pump including a sensor for determining the volume of fluid pumped by the pump. Also, at least one continuous analyte monitor, and a controller. The controller is in communication with the medical fluid pump and the at least one continuous analyte monitor. The controller includes a processor. The processor includes instructions for delivery of medical fluid based at least on data received from the at least one continuous analyte monitor.

Patient video monitoring systems and methods for thermal detection of liquids

A system for monitoring a patient in a patient area having one or more detection zones, the system comprising one or more cameras, a user interface, and a computing system configured to receive a chronological series of frames from the one or more cameras, identify liquid candidates by comparing a current frame with a plurality of previous frames of the chronological series, determine locations of the liquid candidates, identify thermal signatures of the liquid candidates, determine types of liquids of the liquid candidates based on the locations and thermal signatures of the liquid candidates, and generate an alert with the user interface corresponding to the determined types of liquids.

Priming Valve to Induce Appropriate Pressure and Flow Profile and Improve Sensor Readiness
20230236055 · 2023-07-27 ·

A priming valve includes a fluid flow path, a fluid inlet configured to couple to a fluid outlet of a fluid channel including at least one sensor configured to characterize at least one attribute of a fluid, a fluid outlet, a valve seat, and a connector. The connector engages the valve seat to prevent fluid flow via the fluid flow path. The connector is configured to move relative to the valve seat in response to a threshold pressure within the fluid flow path to allow the fluid to flow via the fluid flow path. A flow sensor sub-assembly for sensing flow of a fluidic medicament may include a priming valve and at least one sensor of a fluid port configured to characterize at least one attribute of a fluid within an administrable fluid source. A method for readying a fluid sensor may use a priming valve.

DEVICE FOR DELIVERING MEDICATION TO A PATIENT
20230001080 · 2023-01-05 ·

A device for delivering a medication to a patient in a drug infusion system is disclosed. The device is configured as a fully autonomous and integrated wearable apparatus for managing the medication delivery. The device comprises: a reservoir for storing the medication to be delivered to the patient; a continuous glucose monitoring device for monitoring glucose levels in the patient to set flow rates for medication delivery; a needle for delivering the medication from reservoir into the patient; and a pumping unit including one or more MEMS devices configured to function as (a) a pump for pumping the medication from the reservoir through a flow path for medication to the needle at set flow rates and/or (b) a valve for regulating flow of the medication in the flow path from the reservoir through the needle.