Medical imaging and navigation system

• US 7,697,973 B2
• Filed: 08/20/2007
• Issued: 04/13/2010
• Est. Priority Date: 05/18/1999
• Status: Expired due to Fees

• Current Assignee: ST JUDE MEDICAL INTERNATIONAL HOLDING S. R.L.
• Original Assignee: MediGuide Ltd (Abbott Laboratories)
• Inventors: Strommer, Gera, Eichler, Uzi
• Primary Examiner(s): Casler; Brian
• Assistant Examiner(s): Roy; Baisakhi
• Application Number:
  US11/841,451
• Publication Number:
  US 20070287901A1
• Time in Patent Office: 967 Days
• Field of Search: 600424-429, 600437-439, 600/407, 600/413, 600/417, 378/20, 378/69, 378/205, 606/130
• US Class Current: 600/424
• CPC Class Codes: A61B 2034/105 Modelling of the patient, e.g. for ligaments or bones
• CPC Class Codes: A61B 2034/107 Visualisation of planned trajectories or target regions
• CPC Class Codes: A61B 2034/2051 Electromagnetic tracking systems
• CPC Class Codes: A61B 2034/2072 Reference field transducer attached to an instrument or patient
• CPC Class Codes: A61B 2034/256 having a database of accessory information, e.g. including context sensitive help or scientific articles
• CPC Class Codes: A61B 2090/367 creating a 3D dataset from 2D images using position information
• CPC Class Codes: A61B 2090/378 using ultrasound
• CPC Class Codes: A61B 2090/3958 emitting a signal
• 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 34/25 User interfaces for surgical systems
• CPC Class Codes: A61B 5/0066 Optical coherence imaging
• CPC Class Codes: A61B 5/015 By temperature mapping of body part
• CPC Class Codes: A61B 5/06 Devices, other than using radiation, for detecting or locating foreign bodies for removing same A61B17/50 ; determining position of probes within or on the body of the patient
• CPC Class Codes: A61B 5/062 using magnetic field
• CPC Class Codes: A61B 5/352 Detecting R peaks, e.g. for synchronising diagnostic apparatus; Estimating R-R interval
• CPC Class Codes: A61B 8/0833 involving detecting or locating foreign bodies or organic structures
• CPC Class Codes: A61B 8/0841 for locating instruments
• 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 8/463 characterised by displaying multiple images or images and diagnostic data on one display composite display in devices for short-range imaging with acoustic waves G01S7/52074
• CPC Class Codes: A61B 8/483 : involving the acquisition of a 3D volume of data
• CPC Class Codes: A61B 8/5238 : for combining image data of patient, e.g. merging several images from different acquisition modes into one image for image registration algorithms G06T7/30
• CPC Class Codes: A61B 90/10 : for stereotaxic surgery, e.g. frame-based stereotaxis
• CPC Class Codes: A61B 90/36 : Image-producing devices or illumination devices not otherwise provided for

Abstract

Medical imaging and navigation system including a processor, a display unit, a database, a medical positioning system (MPS), a two-dimensional imaging system, an inspected organ monitor interface, and a superimposing processor, the MPS including a transducer MPS sensor and a surgical tool MPS sensor, the two-dimensional imaging system including an imaging transducer, the processor being connected to the display unit, to the database, to the MPS, to the two-dimensional imaging system, to the inspected organ monitor interface, and to the superimposing processor, the inspected organ monitor interface being connected to an organ monitor, the surgical tool MPS sensor being firmly attached to a surgical tool, the transducer MPS sensor being firmly attached to the imaging transducer, the organ monitor monitoring an organ timing signal associated with an inspected organ.

Claims

1. A system for displaying a cyclically moving inspected organ, said inspected organ moving according to an organ motion cycle, the system comprising:

an organ timing signal monitor, for detecting a real-time organ timing signal, associated with said inspected organ;

a display unit including semi-transparent goggles;

a medical positioning system (MPS), including a patient MPS sensor and a goggles MPS sensor, said patient MPS sensor being adapted to be firmly attached to a patient, said goggles MPS sensor being firmly attached to said goggles, said MPS detecting the location and orientation of said patient MPS sensor and said goggles MPS sensor in a single coordinate system;

an image database storing a plurality of pre-acquired images, each said pre-acquired images being associated with a certain cycle position in said organ motion cycle, each of said pre-acquired images being three dimensionally associated with said single coordinate system;

a processor, coupled with said MPS, with said image database, with said display unit and with said organ timing signal monitor, said processor selecting one of said pre-acquired images associated with a real-time cycle position in said real-time organ timing signal, said processor further determining a viewing plane according to the relative location and orientation of said patient MPS sensor and said goggles MPS sensor and, said processor rendering said selected pre-acquired image to said viewing plane,

and wherein said goggles displaying said rendered selected pre-acquired image.

2. The system according to claim 1, wherein said plurality of pre-acquired images are pre-acquired in said single coordinate system.

3. The system according to claim 1, wherein said plurality of pre-acquired images are three-dimensional reconstructed images.

4. The system according to claim 1, wherein said plurality of pre-acquired images are two-dimensional pre-acquired images.

5. The system according to claim 1, wherein said MPS further includes a surgical tool MPS sensor firmly attached to a surgical tool, said MPS detecting the location and orientation of said surgical tool MPS sensor in said single coordinate system.

6. The system according to claim 5, wherein said processor superimposes a representation of said surgical tool, on said selected pre-acquired image, according to said location and orientation of said surgical tool MPS sensor.