C. R. Bard, Inc.

Ryan R Lemon

Eddie K Burnside

Matthew W Bown

Anthony K Misener

Jason R Stats

Kelly J Christian

Shayne Messerly

Jeremy B Cox

Amir Orome

Catherine C Breiter

Christian W Crook

Kelly B Powers

David J Ciavarella

Christian W Cook

A stylet for use in guiding a distal tip of a catheter to a predetermined location within the body of a patient. In one embodiment the stylet is configured for use within a lumen of the catheter and comprises a core wire, an ECG sensor, and a magnetic assembly. The ECG sensor senses an ECG signal of a patient when the stylet is disposed within the lumen of the catheter and the catheter is disposed within the body of the patient. The magnetic assembly includes at least one element capable of producing a magnetic or electromagnetic field for detection by a sensor external to the patient. In another embodiment, the stylet includes a pre-shaped distal segment that is deflected with respect to a more proximal portion of the stylet, which in turn causes a distal segment of the catheter to be deflected when the stylet is received within the lumen.

Catheter assembly including ECG sensor and magnetic assemblies

A catheter placement system for positioning a catheter in a vasculature of a patient using at least two different modalities. The catheter placement system includes a console with a display, a stylet removably positionable within a lumen of the catheter, a tip location sensor, and an external electrode. The stylet may include an electrocardiogram (ECG) sensor assembly for detecting ECG signals of a node of a heart of the patient, and a first connector in communication with the ECG sensor assembly. The tip location sensor may be configured to detect the stylet when the catheter is disposed within the vasculature of the patient, and to communicate information of the stylet to the console. The console may be configured to receive at least one aspect of the ECG signal detected by the ECG sensor assembly indicative of proximity of the ECG sensor assembly to the node.

Integrated system for intravascular placement of a catheter

A sacrificial catheter assembly and method of use for placing a functional catheter within the body of a patient, such as into the patient's vasculature, is disclosed. In one embodiment, the sacrificial catheter assembly comprises a sacrificial catheter including an elongate body that defines a longitudinally extending lumen. A stylet is removably received within the lumen of the sacrificial catheter such that the catheter and stylet can be advanced together to a target destination within the body of the patient. The sacrificial catheter is configured so as to then be proximally slid over the stylet to remove the sacrificial catheter from the body while the stylet remains in place at the target destination. A functional catheter can then be distally slid over the stylet to place the functional catheter at the target destination. The stylet can then be removed from the body of the patient.

Sacrificial catheter

An integrated catheter placement system for accurately placing a catheter within a patient's vasculature is disclosed. In one embodiment, the integrated system comprises a system console, a tip location sensor for temporary placement on the patient's chest, and an ultrasound probe. The tip location sensor senses a magnetic field of a stylet disposed in a lumen of the catheter when the catheter is disposed in the vasculature. The ultrasound probe ultrasonically images a portion of the vasculature prior to intravascular introduction of the catheter. The ultrasound probe includes user input controls for controlling use of the ultrasound probe in an ultrasound mode and use of the tip location sensor in a tip location mode. In another embodiment, ECG signal-based catheter tip guidance is included in the integrated system to enable guidance of the catheter tip to a desired position with respect to a node of the patient's heart.

An integrated catheter placement system for accurately placing a catheter within a patient'vasculature is disclosed. In one embodiment, the integrated system comprises a system console, a tip location sensor for temporary placement on the patient's chest, and an ultrasound probe. The tip location sensor senses a magnetic field of a stylet disposed in a lumen of the catheter when the catheter is disposed in the vasculature. The ultrasound probe ultrasonically images a portion of the vasculature prior to intravascular introduction of the catheter. The ultrasound probe includes user input controls for controlling use of the ultrasound probe in an ultrasound mode and use of the tip location sensor in a tip location mode. In another embodiment, ECG signal-based catheter tip guidance is included in the integrated system to enable guidance of the catheter tip to a desired position with respect to a node of the patient's heart.

Growing community of inventors

Sandy, UT, United States of America

Ryan R Lemon