Patrick J Burt

US Patent:

20130324967, Dec 5, 2013

Filed:

May 30, 2013

Appl. No.:

13/906122

Inventors:

Lakshmikumar Pillai - Morgantown WV, US
Patrick Burt - Palo Alto CA, US
John Lunsford - Los Altos CA, US
John Stiggelbout - Sausalito CA, US

International Classification:

A61M 25/09

US Classification:

604506, 604272

Abstract:

Transvascular access devices and methods for transvascular access are provided. The transvascular access devices can include a guidewire lumen and a guide tube and stylet disposed in a second lumen. The guide tube can be used to control the orientation of the stylet and provide additional support for the stylet. The methods include providing a second entry point in a vessel of a patient remote from a first entry point. A vascular catheter can enter the vascular system of a patient at a first entry point and be advanced to a second entry point. A guide tube can be advanced out the second lumen of the vascular catheter with a stylet advanced out of the guide tube to pierce the vessel wall and skin of the patient at the second entry point. A catheter can be introduced to the vascular system at the second entry point.

US Patent:

20160074623, Mar 17, 2016

Filed:

Nov 23, 2015

Appl. No.:

14/949243

Inventors:

Lakshmikumar PILLAI - Morgantown WV, US
Patrick BURT - Palo Alto CA, US
John LUNSFORD - Los Altos CA, US
John STIGGELBOUT - Sausalito CA, US

International Classification:

A61M 25/00
A61M 25/06
A61M 25/09

Abstract:

Transvascular access devices and methods for transvascular access are provided. The transvascular access devices can include a guidewire lumen and a guide tube and stylet disposed in a second lumen. The guide tube can be used to control the orientation of the stylet and provide additional support for the stylet. The methods include providing a second entry point in a vessel of a patient remote from a first entry point. A vascular catheter can enter the vascular system of a patient at a first entry point and be advanced to a second entry point. A guide tube can be advanced out the second lumen of the vascular catheter with a stylet advanced out of the guide tube to pierce the vessel wall and skin of the patient at the second entry point. A catheter can be introduced to the vascular system at the second entry point.