Interactive patient positioning system

• US 20040064890A1
• Filed: 06/19/2003
• Published: 04/08/2004
• Est. Priority Date: 06/19/2002
• Status: Abandoned Application

• Current Assignee: University of Florida (State University System of Florida)
• Original Assignee: University of Florida (State University System of Florida)
• Inventors: Helmig, Richard D., Kim, Siyong
• Application Number:
  US10/464,866
• Publication Number:
  US 20040064890A1
• Time in Patent Office: Days
• US Class Current: 5/601
• CPC Class Codes: A61B 2034/2055 Optical tracking systems
• CPC Class Codes: A61B 2034/2072 Reference field transducer attached to an instrument or patient
• CPC Class Codes: A61B 2090/3983 Reference marker arrangements for use with image guided surgery
• 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 90/14 Fixators for body parts, e.g. skull clamps; Constructional details of fixators, e.g. pins
• CPC Class Codes: A61N 2005/1059 using cameras imaging the patient
• CPC Class Codes: A61N 2005/1097 Means for immobilizing the patient
• CPC Class Codes: A61N 5/1049 for verifying the position of the patient with respect to the radiation beam

Abstract

A device for positioning a patient in a fixed location comprising:

a) a locator attachable to a patient and having a registration portion for registration with a portion of a patient'"'"'s body, and

b) means for transmitting information concerning the position of the portion of the patient to an information receiving means, the means being rigidly connected with the locator; a system for positioning a patient in a fixed location comprising the above device in combination with means for receiving said information concerning the position of said portion of said patient; and

a method for locating a portion of a patient in a predetermined fixed position comprising:

a) affixing to a patient the above device by registering the registration portion of the device with the portion of the patient,

b) transmitting information concerning the position of the portion of the patient from the device to an information receiving means, and

c) locating the portion of the patient in the predetermined fixed position based on the transmitted information.

Claims

1. A device for positioning a patient in a fixed location comprising:

a) a locator attachable to a patient and having a registration portion for registration with a portion of a patient'"'"'s body, and

b) means for transmitting information concerning the position of said portion of said patient to an information receiving means, said means being rigidly connected with said locator.

2. The device of claim 1 wherein said locator is a bite plate having a first portion fitted with a replaceable dental impression material for engagement with a patient'"'"'s teeth and a second portion rigidly connected with said means for transmitting information.

3. The device of claim 1 wherein said means for transmitting information is a mirror capable of reflecting laser light.

4. The device of claim 1 wherein said means for transmitting information is a laser light generator.

5. The device of claim 1 wherein said means for transmitting information comprise a plurality of spaced apart infrared-reflective markers.

6. A system for positioning a patient in a fixed location comprising the device of claim 1 in combination with means for receiving said information concerning the position of said portion of said patient.

7. A system for positioning a patient in a fixed location comprising the device of claim 3 in combination with means for receiving laser light reflected from said mirror, said reflected laser light comprising information concerning the position of said portion of said patient.

8. A system for positioning a patient in a fixed location comprising the device of claim 4 in combination with means for receiving laser light transmitted from said laser light generator, said generated laser light comprising information concerning the position of said portion of said patient.

9. A system for positioning a patient in a fixed location comprising the device of claim 5 in combination with means for receiving IR energy reflected from said IRreflective markers, said IR energy comprising information concerning the position of said portion of said patient.

10. The system of claim 9 wherein said means for receiving said IR energy is an IR camera.

11. A method for locating a portion of a patient in a predetermined fixed position comprising:

a) affixing to said patient the device of claim 1 by registering said registration portion of said device with said portion of said patient,

b) transmitting information concerning the position of said portion of said patient from said device to an information receiving means, and

c) locating said portion of said patient in said predetermined fixed position based on said transmitted information.

12. The method of claim 11 wherein said locator is a bite plate having a first portion fitted with a replaceable dental impression for engagement with a patient'"'"'s teeth and a second portion rigidly connected with said means for transmitting information.

13. The method of claim 11 wherein said means for transmitting information is a mirror capable of reflecting laser light.

14. The method of claim 11 wherein said means for transmitting information is a laser light generator.

15. The method of claim 13 or 14 wherein said information receiving means is a medium visible to said patient, said medium displaying a target at which to aim said laser light.

16. The method of claim 15 wherein said portion of said patient is located in said predetermined fixed position by said patient moving said portion thereof such that the laser light transmitted from said device registered with said portion of said patient is aligned with said target.

17. The method of claim 11 wherein said means for transmitting information comprise a plurality of spaced apart infrared-reflective markers.

18. The method of claim 17 wherein said information receiving means comprises an IR camera.

19. The method of claim 18 wherein said portion of said patient is located in said predetermined fixed position by imaging said device with said IR camera and manipulating said portion of said patient into said fixed position