Medtronic Minimed, Inc.

Therex Limited Partnership

Narang, Ajit S.

Bradley J Enegren

Rajiv Shah

Sheldon B Moberg

Rebecca K Gottlieb

Ian B Hanson

Paul F Bente, Iv

Julian D Kavazov

R Paul Mounce

Christopher G Griffin

Michael E Miller

John Joseph Mastrototaro

William P Van Antwerp

Udo Hoss

Himanshu N Patel

Susie E Maule

Mary M Morris

Colin A Chong

Himanshu P Patel

Rafael Bikovsky

Nannette M Van Antwerp

Bahar Reghabi

Paul H Kovelman

Mark Dominis Holt

Melissa D Norton

Robert M Guezuraga

Jenn-Hann Larry Wang

William H Stutz, Jr

Yanan Zhang

Richard S Yoon

Eunjoo Jin

Bogdan Madzar

Ajit S Narang

Poonam S Gulati

Garry M Steil

Susan McConnell

Darren Y K Yap

Gerald S Melsky

Kent L Clark

Victor Giron

Philip J Hudak

Eric P Geismar

Gayane R Voskanyan

Ruth Marie Tieck

Ly Phou

Marianne A Kolopp

Richard Lemos, Jr

Iv Paul F Bente

Paul F Bente

Paul R Mounce

Gayane Voskanyan

Paul F Iv Bente

Richard K Yoon

Richard Lemos

William H Stutz

Embodiments of the invention provide a dual insertion set for supplying a fluid to a body of a patient and for monitoring a body characteristic of the patient. Typical embodiments of the invention include a base, an infusion portion coupled to a first piercing member and a sensor portion coupled to a second piercing member. The infusion portion includes a cannula coupled to the first piercing member for supplying the fluid to a placement site. The sensor portion includes a sensor coupled to and extending from the base having at least one sensor electrode formed on a substrate and is coupled to the second piercing member in a manner that allows the sensor to be inserted at the placement site. The base is arranged to secure the dual insertion set to skin of the patient. Typically the first and second piercing members are arranged such that when the first and second piercing members are operatively coupled to the base, they are disposed in a spatial orientation designed to inhibit sensor interference that may be caused by compounds present in fluids infused through the cannula.

Combined sensor and infusion set using separated sites

An apparatus for sensing multiple parameters includes an implantable housing and a plurality of implantable sensors disposed within the implantable housing. The plurality of implantable sensors sense parameters in a patient, such as biological or physiological parameters, for example, and each responds to an analyte in the patient. The plurality of implantable sensors may include, but is not limited to, electrochemical, potentiometric, current and optical sensors.

Implantable apparatus for sensing multiple parameters

An infusion medium delivery system, device and method for delivering an infusion medium to a patient-user, includes a needle inserter device and method for inserting a needle and/or cannula into a patient-user to convey the infusion medium to the patient-user. The needle inserter device and method operate to insert a needle and cannula into a patient-user's skin and automatically withdraw the needle from the patient-user, leaving the cannula in place and in fluid flow communication with a reservoir. The delivery device may include a base portion and a durable portion connectable to the base portion, and wherein the base portion can be separated from the durable portion and disposed of after one or more specified number of uses. The base portion supports the reservoir and the needle inserter device, while the durable portion supports a drive device for selectively driving the infusion medium out of the reservoir and into the needle and/or cannula.

Infusion medium delivery system, device and method with needle inserter and needle inserter device and method

A delivery device includes first and second housing portions that selectively engage and disengage. A reservoir on one housing portion operatively engages a drive device and/or a needle inserting device on the other housing portion. Upon proper engagement of the housing portions, the reservoir operatively couples to the drive device and/or the needle inserting device. A first magnet on the first housing portion and a second magnet (or a magnetically-attractive material) on the second housing portion are positioned to magnetically interact with each other, upon operative engagement of the housing portions. A third magnet on the second housing portion may be opposed to the first magnet to help align the housing portions for connection. A magnet-responsive device may be on one or both housing portions to detect alignment and/or connection of the housing portions.

Infusion medium delivery device and method with drive device for driving plunger in reservoir

The invention provides methods and apparatus for detecting an analyte in blood. The apparatus is particularly suited for bringing a sensor into direct contact with blood in vivo. The apparatus comprises a sensor that detects the presence of an analyte and an assembly means. The assembly means has a sensor end, wherein the sensor end of the assembly means is affixed to the sensor, and the assembly means is adapted for coupling with a venous flow device. By coupling with a venous flow device, the assembly means brings the sensor into direct contact with blood flowing through the venous flow device. Examples of venous flow devices that bring the sensor into direct contact with the blood of a subject include, but are not limited to, intravenous catheters and external blood loops, such as are used in extra corporeal membrane oxygenation or hemodialysis.

Blood contacting sensor

A delivery device includes a durable housing portion and a separable disposable portion that selectively engage and disengage from each other. The disposable housing portion secures to the patient-user and may be disposed of after it has been in use for a prescribed period. Components that normally come into contact with a patient-user or with infusion medium are supported by the disposable housing portion, while the durable housing portion supports other components such as electronics and a drive device. A reservoir is supported by the disposable housing portion and has a moveable plunger that operatively couples to the drive device, when the disposable and durable housing portions are engaged.

An automobile monitoring system to monitor user body characteristics, includes at least one sensor to monitor at least one user body characteristic. The at least one sensor is operatively coupled to a body of a user to monitor the at least one user body characteristic while the user is operating an automobile. The at least one user body characteristic is at least a glucose level of the user's body. At least one transmitter is operatively coupled to the at least one sensor to communicate sensor data obtained from the at least one sensor while the user is operating the automobile. Automobile electronics are operatively coupled to the at least one transmitter to receive sensor data from the at least one sensor while the user is operating the automobile. The automobile electronics provide the sensor data to the user while the user is operating the automobile. A mobile telephone is operatively coupled to the automobile electronics, wherein the automobile electronics initiate a communication via the mobile telephone based on the sensor data received from the at least one sensor.

Automobile physiological monitoring system and method for using the same

An automobile monitoring system to monitor user body characteristics includes at least one sensor to monitor at least one user body characteristic. The at least one sensor is operatively coupled to a body of a user to monitor the at least one user body characteristic while the user is operating an automobile. The at least one user body characteristic is at least a glucose level of the user's body. At least one transmitter is operatively coupled to the at least one sensor to communicate sensor data obtained from the at least one sensor while the user is operating the automobile. Automobile electronics are operatively coupled to the at least one transmitter to receive sensor data from the at least one sensor while the user is operating the automobile. The automobile electronics provide the sensor data to the user while the user is operating the automobile. A global positioning system (GPS) is operatively coupled to the automobile electronics to determine a current location of the user. The automobile electronics limit the user from operating the automobile to travel beyond a distance based on the sensor data received from the at least one sensor.

A system and method of sensing multiple parameters. The method may include implanting an implantable sensor in a patient and reading an output from at least one of the implantable sensing elements. The implantable sensor may have a housing within which are disposed a plurality of implantable sensing elements. At least one of the implantable sensing elements may respond to lactate. In addition, a medical professional may administer to the patient for myocardial ischemia, myocardial infarction angina, sepsis based on the output read. A medical professional may also administer to the patient having an implantable cardiovascular defibrillator or who is receiving extracorporeal membrane oxygenation. The method may be used in a surgical or intensive care environment.

Implantable multi-parameter sensing system and method

A multilumen catheter having tubings extending into lumens within the catheter. The lumens may be used for blood, drugs or other medicants. The lumens may also be used for sensors. The junction element, external to the patient, connects the tubings to the lumens. The tubings, also external to the patient, connect to infusion members, to which one or more infusion systems may be connected to deliver blood, drugs and other medicants to the patient. A sensor having a sensing element may extend through the sensor lumen and be positioned internal to the patient for physiological parameter sensing. An external portion of the sensor may be connected to associated electronics to provide automatic monitoring of the physiological parameters and automatic delivery and control of the infusants. Also, a central line catheter for delivering fluids directly into a main artery or vein near the heart, which contains a first lumen to deliver a fluid through the central line catheter and a second lumen containing a sensor capable indicating a characteristic level in blood. The first lumen delivers the fluid downstream of the sensor to prevent any interference between the fluid delivery and the sensor readings. In other versions, the central line catheter can have additional lumens for additional purposes. In addition, the central line catheter can further include a flush sleeve to remove debris around the sensor.

Multilumen catheter

A reusable analyte sensor site for use with a replaceable analyte sensor for determining a level of an analyte includes a site housing material and a resealable insertion site coupled to one end of the site housing material. Preferably, the site housing material is formed to have an interior cavity with an opening. The site housing material is selected to promote tissue ingrowth and vascularization, and yet be free of tissue ingress. Also, the site housing material permits the analyte to pass through the site housing material to the interior cavity to permit measurement by the replaceable analyte sensor. The resealable insertion site provides a for inserting the replaceable analyte sensor into the interior cavity of the site housing material.

Reusable analyte sensor site and method of using the same

Growing community of inventors

Moorpark, CA, United States of America

Bradley J Enegren