Catheter device with a position sensor system for treating a vessel blockage using image monitoring

• US 20070066888A1
• Filed: 09/21/2006
• Published: 03/22/2007
• Est. Priority Date: 11/15/2004
• Status: Active Grant

• Current Assignee: Siemens AG
• Original Assignee: Siemens AG
• Inventors: Maschke, Michael
• Granted Patent: US 7,785,261 B2
• Time in Patent Office: Days
• US Class Current: 600/424
• CPC Class Codes: A61B 18/24 with a catheter A61B18/26, A61B18/28 take precedence
• CPC Class Codes: A61B 2017/00057 Light
• CPC Class Codes: A61B 2017/0011 piezoelectric
• CPC Class Codes: A61B 2034/2051 Electromagnetic tracking systems
• CPC Class Codes: A61B 2090/376 using X-rays, e.g. fluoroscopy
• CPC Class Codes: A61B 2090/378 using ultrasound
• CPC Class Codes: A61B 2090/3784 both receiver and transmitter being in the instrument or receiver being also transmitter
• CPC Class Codes: A61B 34/20 Surgical navigation systems; Devices for tracking or guiding surgical instruments, e.g. for frameless stereotaxis
• CPC Class Codes: A61B 34/73 Manipulators for magnetic surgery
• CPC Class Codes: A61B 5/0066 Optical coherence imaging
• CPC Class Codes: A61B 5/0084 for introduction into the body, e.g. by catheters A61B5/1459 takes precedence
• CPC Class Codes: A61B 5/411 Detecting or monitoring allergy or intolerance reactions to an allergenic agent or substance
• CPC Class Codes: A61B 5/6852 Catheters
• CPC Class Codes: A61B 6/12 Arrangements for detecting or locating foreign bodies
• CPC Class Codes: A61B 6/5247 combining images from an ionising-radiation diagnostic technique and a non-ionising radiation diagnostic technique, e.g. X-ray and ultrasound
• CPC Class Codes: A61B 8/12 in body cavities or body tracts, e.g. by using catheters catheters per se A61M25/00
• CPC Class Codes: A61B 8/4254 using sensors mounted on the probe
• CPC Class Codes: A61B 8/4416 related to combined acquisition of different diagnostic modalities, e.g. combination of ultrasound and X-ray acquisitions
• CPC Class Codes: A61B 8/4461 Features of the scanning mechanism, e.g. for moving the transducer within the housing of the probe
• CPC Class Codes: A61B 8/481 involving the use of contrast agent, e.g. microbubbles introduced into the bloodstream analysis of echo signal exploiting properties of a contrast enhancer in devices for short-range imaging with acoustic waves G01S7/52039

Abstract

The invention relates to a catheter device, with a position sensor system, for treatment of a partial or complete vessel blockage under image monitoring, with the catheter device featuring a treatment catheter of a vessel blockage, especially by removal or destruction of plaque and/or expansion of the vessel,, which is embodied as an integrated unit, especially as a combination catheter, with an OCT catheter and an IVUS catheter for image monitoring and with the position sensor system.

Claims

1-19. -19. (canceled)

20. A catheter device for a treatment of a vessel blockage of a patient under an image monitoring, comprising:

a treatment catheter which treats the vessel blockage;

a position sensor system which is arranged to the catheter device for locating a position of the catheter device within the patient; and

an OCT catheter and an IVUS catheter which are arranged to the catheter device for the image monitoring.

21. The catheter device as claimed in claim 20, wherein the treatment catheter, the position sensor system, and the OCT catheter and the IVUS catheter are integrated as an integrated unit.

22. The catheter device as claimed in claim 20, wherein the catheter device removes or destructs a plaque of a vessel or expanses a vessel of the patient.

23. The catheter device as claimed in claim 20, wherein the treatment catheter is a CTO catheter for a treatment of a complete vessel blockage or a catheter for a treatment of a partial vessel blockage.

24. The catheter device as claimed in claim 23, wherein the treatment catheter is:

a pincer-type catheter or a radiation based catheter for the treatment of the complete vessel blockage, or

a laser angioplasty catheter for the treatment of the partial vessel blockage.

25. The catheter device as claimed in claim 20, wherein a signal line of the OCT or the IVUS catheter is guided within a shell of the catheter device.

26. The catheter device as claimed in claim 25,

wherein the signal line of the OCT or the IVUS catheter is guided within a hollow drive shaft of the OCT catheter or the IVUS catheter, and

wherein the OCT catheter or the IVUS catheter or the drive shaft rotates.

27. The catheter device as claimed in claim 20, wherein an image sensor of the OCT catheter or the IVUS catheter is arranged in front of or behind a treatment unit of the treatment catheter and the treatment unit comprises an opening for passing through a drive shaft or a signal line or the image sensor.

28. The catheter device as claimed in claim 20, wherein the catheter device comprises a transparent exit area for an ultrasound of the IVUS catheter or a light of the OCT catheter.

29. The catheter device as claimed in claim 20, wherein the catheter device performs a three-dimensional imaging by rotating and simultaneously pulling or pushing the OCT catheter or the IVUS catheter.

30. The catheter device as claimed in claim 20, wherein the position sensor system is an electromagnetic or an ultrasound system and a position sensor is arranged at a tip area of the catheter device.

31. The catheter device as claimed in claim 20, wherein the catheter device navigates mechanically automatically or magnetically.

32. The catheter device as claimed in claim 20, wherein the catheter device comprises a movement sensor which detects a movement of the patient.

33. The catheter device as claimed in claim 20, wherein a physiological sensor is arranged at a tip area of the catheter device.

34. The catheter device as claimed in claim 20, wherein the catheter device is coated by a coating.

35. The catheter device as claimed in claim 20, wherein an image sensor of the OCT catheter is arranged in front of or behind an image sensor of the IVUS catheter in a longitudinal direction of the catheter device.

36. The catheter device as claimed in claim 20, wherein the catheter device comprises a lumen for injecting an ultrasound contrast medium.

37. An X-ray device for a treatment of a vessel blockage of a patient under an image supervision, comprising:

a patient supporting device;

an X-ray image device which records an X-ray image of the patient;

a catheter device arranged to the X-ray device comprising;

a treatment catheter which treats the vessel blockage;

a position sensor system arranged to the catheter device for locating a position of the catheter device within the patient; and

an OCT catheter and an IVUS catheter arranged to the catheter device for the image supervision;

an image processing device which processes image data from the OCT catheter and the IVUS catheter and an X-ray image data from the X-ray image device; and

a display unit which displays a result of the image processing device.

38. The X-ray device as claimed in claim 37, wherein the X-ray device combines or overlays the image data from the OCT catheter and the IVUS catheter with the image data from the X-ray image device or image data from other image modalities.

39. A method for an image monitoring during a treatment of a blocked vessel of a patient, comprising:

providing a treatment catheter for treating the blocked vessel;

arranging a position sensor system for locating a position of the treatment catheter within the patient;

arranging an OCT catheter and an IVUS catheter for the image monitoring; and

integrating the treatment catheter, the position sensor system, and the OCT catheter and the IVUS catheter as an integrated catheter device.