In vivo sensing device with a circuit board having rigid sections and flexible sections

• US 7,998,065 B2
• Filed: 06/18/2002
• Issued: 08/16/2011
• Est. Priority Date: 06/18/2001
• Status: Expired due to Fees

• Current Assignee: Given Imaging Limited (Medtronic Plc)
• Original Assignee: Given Imaging Limited (Medtronic Plc)
• Inventors: Avni, Dov
• Primary Examiner(s): Leubecker; John P
• Application Number:
  US10/481,126
• Publication Number:
  US 20040171914A1
• Time in Patent Office: 3,346 Days
• Field of Search: 600/109, 600/110, 600/129, 600/130, 348/76, 174/75.F, 174/255, 174/254, 429/100, 429/163, 429/159
• US Class Current: 600/130
• CPC Class Codes: A61B 1/041 Capsule endoscopes for imaging
• CPC Class Codes: A61B 5/0031 Implanted circuitry
• CPC Class Codes: H05K 1/189 characterised by the use of a flexible or folded printed circuit H05K3/326 takes precedence
• CPC Class Codes: H05K 2201/10151 Sensor
• CPC Class Codes: H05K 3/3436 having an array of bottom contacts, e.g. pad grid array or ball grid array components
• CPC Class Codes: Y02P 70/50 Manufacturing or production processes characterised by the final manufactured product

Abstract

A device including at least one image sensor and a circuit board having a plurality of rigid sections and a plurality of flexible sections. The image sensor is disposed an a rigid section of the circuit board. The circuit board may be folded into a housing configured for in vivo sensing. An illumination source is electrically connected to a ring shaped rigid section and at least one battery is positioned between two of the rigid sections.

Claims

1. A swallowable in vivo sensing device comprising:

a circuit board that comprises a plurality of rigid sections, at least two of the rigid sections being connected by a flexible section, and one or more batteries being positioned between the two rigid sections, the swallowable in vivo sensing capsule further comprising an illumination source electrically connected to at least one rigid section of the circuit board, wherein the rigid section to which the illumination source is electrically connected is ring shaped.

2. The device according to claim 1 wherein the circuit board is folded within the device such that the rigid sections of the circuit board are stacked in a column along the axis of the device such that the rigid sections are parallel to one another.

3. The device according to claim 1 and also comprising a sensor.

4. The device according to claim 3 wherein the sensor is an image sensor.

5. The device according to claim 3 wherein the sensor is selected from the group consisting of a pH sensor, a temperature sensor and a pressure sensor.

6. The device according to claim 3 and also comprising a transmitter.

7. The device according to claim 6 wherein the sensor is disposed on a rigid section of the circuit board and the transmitter is disposed on another rigid section of the circuit board.

8. The device according to claim 1 further comprising at least one component selected from the group consisting of, a sensor, a processor, a transmitter or a combination thereof.

9. The device according to claim 8 wherein at least one component is disposed on at least one rigid section of the circuit board.

10. The device according to claim 8 wherein a plurality of components are disposed on a plurality of rigid sections of the circuit board.

11. The device according to claim 1 wherein the rigid sections alternate with flexible sections.

12. The device according to claim 1 wherein the circuit board is folded such that the rigid sections of the circuit board are stacked vertically.

13. The device according to claim 1 wherein the rigid sections are connected by vertical connectors.

14. The device according to claim 13 wherein the vertical connectors are electrical conductors.

15. The device according to claim 13 wherein the vertical connectors are springs.

16. The device according to claim 15 wherein the springs are conical springs.

17. The device according to claim 1 wherein the circuit board includes flexiglass.

18. A swallowable in vivo sensing device comprising:

a circuit board comprising a plurality of rigid sections forming rigid portions and a flexible connector portion, wherein the flexible connector portion connects the rigid portions;

an illumination source electrically connected to at least one rigid section of the circuit board, wherein the rigid section to which the illumination source is electrically connected is ring shaped;

a transmitter; and

a battery being positioned between two of the rigid portions.

19. The device according to claim 18 comprising an image sensor.

20. The device according to claim 18 comprising an image sensor disposed on a rigid portion.

21. The device according to claim 18 wherein the transmitter is disposed on a rigid portion.

22. A method for the manufacture of an in vivo sensor, the method comprising the steps of:

disposing at least a sensor on a rigid section of a circuit board having a battery contact and a plurality of rigid sections wherein at least two of the rigid sections are connected by a flexible section; and

folding the circuit board into a housing configured for in vivo sensing such that at least one battery is positioned between the two rigid sections, the battery contact included on a rigid section,

wherein an illumination source is electrically connected to at least one rigid section of the circuit board, and wherein the rigid section to which the illumination source is electrically connected is ring shaped.

23. The method according to claim 22 wherein the step of folding the circuit board includes folding the circuit board such that the rigid sections of the circuit board are stacked vertically.

24. The method according to claim 22 wherein an antenna is positioned on at least one rigid section, the antenna protruding from the at least one rigid section into a space at one end of the housing.