Medical system using implantable sensor in bone for determining position coordinates

• US 20050215887A1
• Filed: 05/16/2005
• Published: 09/29/2005
• Est. Priority Date: 02/01/1996
• Status: Abandoned Application

• Current Assignee: Maier Fenster, Shlomo Ben-Haim
• Original Assignee: Maier Fenster, Shlomo Ben-Haim
• Inventors: Ben-Haim, Shlomo, Fenster, Maier
• Application Number:
  US11/129,891
• Publication Number:
  US 20050215887A1
• Time in Patent Office: Days
• US Class Current: 600/424
• CPC Class Codes: A61B 18/20 using laser
• CPC Class Codes: A61B 2017/00247 Making holes in the wall of the heart, e.g. laser Myocardial revascularization
• CPC Class Codes: A61B 2018/00392 Transmyocardial revascularisation
• CPC Class Codes: A61B 5/0215 by means inserted into the body catheters A61M25/00
• CPC Class Codes: A61B 5/029 Measuring or recording blood output from the heart, e.g. minute volume A61B8/065 takes precedence
• 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 5/1076 for measuring dimensions inside body cavities, e.g. using catheters A61B3/1005 takes precedence
• CPC Class Codes: A61B 5/1077 Measuring of profiles
• CPC Class Codes: A61B 5/145 Measuring characteristics of blood in vivo, e.g. gas concentration, pH value; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid, cerebral tissuemeasuring of blood pressure or blood flow A61B5/02; non-radiation detecting or locating of foreign bodies in blood A61B5/06
• CPC Class Codes: A61B 5/287 Holders for multiple electrodes, e.g. electrode catheters for electrophysiological study [EPS]
• CPC Class Codes: A61B 5/4504 Bones A61B5/4547 takes precedence
• CPC Class Codes: A61B 5/6843 Monitoring or controlling sensor contact pressure
• CPC Class Codes: A61B 5/6885 Monitoring or controlling sensor contact pressure
• CPC Class Codes: A61N 1/32 alternating or intermittent currents applying electric fields by inductive or capacitive coupling A61N1/40; microwave apparatus A61N5/02
• CPC Class Codes: A61N 1/3627 for treating a mechanical deficiency of the heart, e.g. congestive heart failure or cardiomyopathy
• CPC Class Codes: A61N 1/36564 controlled by blood pressure
• CPC Class Codes: A61N 1/368 comprising more than one electrode co-operating with different heart regions A61N1/3622, A61N1/3627 take precedence
• CPC Class Codes: Y10S 623/912 Method or apparatus for measuring or testing prosthetic

Abstract

A method of measuring the size of an area (22) within a body, including bringing at least one position sensor (28) to each of a plurality of points in the area, determining position coordinates of the plurality of points, using the sensor (28) and calculating distances between the plurality of points.

Claims

1-24. -24. (canceled)

25. A medical system comprising:

a device for implantation in a patient'"'"'s body comprising a position sensor adapted for implantation at a point in a bone within a patient'"'"'s body, the position sensor transmitting or receiving a signal for determination of position coordinates of the position sensor at the point in the bone;

a position determining system for determining position coordinates of the position sensor at the point in the bone based on the signal transmitted or received by the position sensor;

an image of the position sensor at the point in the bone;

a display for displaying the image; and

calculating circuitry for calibrating the position determining system with respect to the image using the position coordinates of the position sensor.

26. The medical system according to claim 25, further comprising a probe with a position sensor mounted thereon for passing over the point in the bone within the patient'"'"'s body.

27. The medical system according to claim 26, wherein the image is an X-ray image.

28. The medical system according to claim 26, wherein the image is a CT image.

29. The medical system according to claim 26, wherein the image is an MRI image.

30. The medical system according to claim 25, wherein the position sensor comprises at least one coil.

30-1. The medical system according to claim 25, further comprising a connection mechanism for fixing the position sensor to the point in bone within the patient'"'"'s body.