Coaxial catheter system

• US 7,766,894 B2
• Filed: 08/28/2006
• Issued: 08/03/2010
• Est. Priority Date: 02/15/2001
• Status: Expired due to Fees

• Current Assignee: Auris Health, Inc. (Johnson & Johnson)
• Original Assignee: Hansen Medical Incorporated (Johnson & Johnson)
• Inventors: Weitzner, Barry, Solbjor, Albert, Rogers, Gary S.
• Primary Examiner(s): Sirmons; Kevin C
• Assistant Examiner(s): Gilbert; Andrew M
• Application Number:
  US11/467,886
• Publication Number:
  US 20070060879A1
• Time in Patent Office: 1,436 Days
• Field of Search: 604/95.01, 604/95.04, 604/96.01, 604/97.01, 604/99.01, 604/101.04, 604/103.03, 604/158, 604/159, 604/164.01, 604/164.03, 604/164.12, 604/528, 604/509, 604/516, 606/194
• US Class Current: 604/509
• CPC Class Codes: A61B 17/12045 double occlusion, e.g. during anastomosis
• CPC Class Codes: A61B 17/12136 Balloons
• CPC Class Codes: A61B 2017/12127 Double occlusion, e.g. for creating blood-free anastomosis site
• CPC Class Codes: A61B 2017/22075 with motorized advancing or retracting means
• CPC Class Codes: A61B 2017/3409 including needle or instrument drives
• CPC Class Codes: A61B 2034/301 for introducing or steering flexible instruments inserted into the body, e.g. catheters or endoscopes
• CPC Class Codes: A61B 2090/0811 for the position of a particular part of an instrument with respect to the rest of the instrument, e.g. position of the anvil of a stapling instrument
• CPC Class Codes: A61B 34/70 Manipulators specially adapted for use in surgery
• CPC Class Codes: A61M 2025/0004 having two or more concentrically arranged tubes for forming a concentric catheter system
• CPC Class Codes: A61M 2025/0008 having visible markings on its surface, i.e. visible to the naked eye, for any purpose, e.g. insertion depth markers, rotational markers or identification of type
• CPC Class Codes: A61M 2025/0175 having telescopic features, interengaging nestable members movable in relations to one another
• CPC Class Codes: A61M 2025/1015 having two or more independently movable balloons where the distance between the balloons can be adjusted, e.g. two balloon catheters concentric to each other forming an adjustable multiple balloon catheter system
• CPC Class Codes: A61M 2025/1052 for temporarily occluding a vessel for isolating a sector
• CPC Class Codes: A61M 2025/1059 having different inflatable sections mainly depending on the response to the inflation pressure, e.g. due to different material properties
• CPC Class Codes: A61M 2025/1072 having balloons with two or more compartments
• CPC Class Codes: A61M 25/0113 Mechanical advancing means, e.g. catheter dispensers
• CPC Class Codes: A61M 25/1002 characterised by balloon shape A61M25/1006, A61M25/1009 take precedence
• CPC Class Codes: A61M 25/1011 Multiple balloon catheters
• CPC Class Codes: A61M 25/10184 Means for controlling or monitoring inflation or deflation

Abstract

A robotic medical system and method of performing a medical procedure are provided. The robotic medical system comprises a user interface configured for receiving commands, an electromechanical driver configured for being coupled to outer and inner catheters having proximal and distal balloons, a balloon controller configured for being coupled to the proximal and distal balloons, and an electric controller configured for directing the electromechanical driver to linearly translate the outer and inner catheters relative to each other and for directing the balloon controller to inflate and deflate the proximal and distal balloons in response to the command(s). The method may comprise inflating and deflating the proximal and distal balloons, and linearly translating the inner and outer catheters relative to each other in a specified sequence to move the inner and outer catheters along the anatomical vessel.

Claims

1. A method of performing a medical procedure using a coaxial catheter arrangement including an outer catheter having a proximal balloon, and an inner catheter having a distal balloon, the method comprising the steps of:

a) introducing the coaxial catheter arrangement within an anatomical vessel of a patient;

b) inflating the proximal balloon to anchor the outer catheter within the anatomical vessel;

c) after inflating the proximal balloon, linearly translating the inner catheter relative to the outer catheter within the anatomical vessel in the distal direction;

d) after linearly translating the inner catheter relative to the outer catheter, inflating the distal balloon to anchor the inner catheter within the anatomical vessel;

e) after inflating the distal balloon, deflating the proximal balloon to release the outer catheter from the anatomical vessel;

f) after deflating the proximal balloon, linearly translating the outer catheter relative to the inner catheter within the anatomical vessel in the distal direction; and

g) after linearly translating the outer catheter relative to the inner catheter, deflating the distal balloon to release the inner catheter from the anatomical vessel,

wherein the steps b) to g) are performed automatically.

2. The method of claim 1, further comprising repeating the foregoing steps to cause incremental movement of the coaxial catheter arrangement within the anatomical vessel.

3. The method of claim 1, wherein an electric controller is used to direct an electromechanical driver to linearly translate the outer and inner catheters relative to each other and a balloon controller for inflating and deflating the proximal and distal balloons.

4. The method of claim 1, further comprising conveying at least one command to the electric controller via a user interface.

5. The method of claim 1, further comprising actuating an articulating tool on the inner catheter within the anatomical vessel.

6. The method of claim 1, wherein the anatomical vessel is a blood vessel.