Device for outputting a qualitative indication associated with the inflation of an expandable member

• US 20070213656A1
• Filed: 03/08/2006
• Published: 09/13/2007
• Est. Priority Date: 03/08/2006
• Status: Abandoned Application

• Current Assignee: Kyphon SARL (Medtronic Plc)
• Original Assignee: Kyphon SARL (Medtronic Plc)
• Inventors: Ferdinand, Arthur
• Application Number:
  US11/369,846
• Publication Number:
  US 20070213656A1
• Time in Patent Office: Days
• US Class Current: 604/65
• CPC Class Codes: A61M 25/1018 Balloon inflating or inflation-control devices
• CPC Class Codes: A61M 25/10182 Injector syringes
• CPC Class Codes: A61M 25/10185 Valves
• CPC Class Codes: A61M 25/10187 Indicators for the level of inflation or deflation
• CPC Class Codes: A61M 25/10188 Inflation or deflation data displays

Abstract

Apparatuses for sensing and outputting data associated with the inflation of an expandable member are described herein. In one embodiment, for example, An apparatus includes a sensor and an output device. The sensor is configured to be coupled to a reservoir that supplies a fluid to an expandable member, and is further configured to output a signal associated with a pressure of the fluid. The output device is configured to be in communication with the sensor. The output device is further configured to output a qualitative pressure indication associated with the signal associated with the pressure of the fluid without outputting a quantitative pressure indication.

Claims

1. An apparatus, comprising:

a sensor in fluid communication with a reservoir, the reservoir being configured to supply a fluid to an expandable member, the sensor configured to output a signal associated with a pressure of the fluid; and

an output device in communication with the sensor, the output device configured to output a qualitative pressure indication in response to the signal without outputting a quantitative pressure indication.

2. The apparatus of claim 1, further comprising the expandable member, the pressure being at a location within the expandable member.

3. The apparatus of claim 1, wherein:

the output device is coupled to the reservoir; and

the sensor is fixedly coupled to the output device.

4. The apparatus of claim 1, wherein the output device is configured to output the qualitative pressure indication when the pressure of the fluid crosses a pressure threshold.

5. The apparatus of claim 1, wherein:

the qualitative pressure indication is a first qualitative pressure indication from a plurality of qualitative pressure indications, each qualitative pressure indication being associated with a pressure threshold from a plurality of pressure thresholds; and

the output device is configured to output the first qualitative pressure indication when the pressure of the fluid crosses the pressure threshold from the plurality of pressure thresholds.

6. The apparatus of claim 1, wherein the output device includes a visual display configured to display the qualitative pressure indication.

7. The apparatus of claim 1, wherein the output device includes an audible alarm configured to output the qualitative pressure indication.

8. The apparatus of claim 1, wherein the output device is configured to transmit the qualitative pressure indication as a tactile output.

9. An apparatus, comprising:

a sensor in fluid communication with a reservoir that supplies a fluid to an expandable member, the sensor configured to output a signal associated with at least one of a flow rate or a volume of the fluid; and

an output device in communication with the sensor, the output device configured to output at least one indication as a function the signal associated with the at least one of the flow rate or the volume of the fluid.

10. The apparatus of claim 9, wherein the indication is solely qualitative.

11. The apparatus of claim 9, wherein the volume of the fluid corresponds to a volume of the expandable member.

12. The apparatus of claim 9, wherein the output device is configured to output the indication when the at least one of the flow rate or the volume of the fluid crosses a threshold.

13. The apparatus of claim 9, wherein:

the indication is a first indication from a plurality of indications, each indication being associated with a threshold from a plurality of thresholds; and

the output device is configured to output the first indication when the at least one of the flow rate or the volume of the fluid crosses the threshold from the plurality of thresholds.

14. An apparatus, comprising:

a sensor coupled to a reservoir that supplies a fluid to an expandable member, the sensor configured to output a signal associated with a pressure of the fluid and a signal associated with at least one of a flow rate or a volume of the fluid; and

an output device in communication with the sensor, the output device configured to output a pressure indication as a function of the signal associated with the pressure of the fluid and a volume indication as a function the signal associated with the at least one of the flow rate or the volume of the fluid.

15. The apparatus of claim 14, wherein the pressure indication includes a qualitative indication.

16. The apparatus of claim 14, wherein the flow indication includes a qualitative indication.

17. The apparatus of claim 14, wherein the output device is configured to output the pressure indication when the pressure of the fluid crosses a pressure threshold.

18. The apparatus of claim 14, wherein:

the pressure indication is a first pressure indication from a plurality of pressure indications, each pressure indication being associated with a pressure threshold from a plurality of pressure thresholds;

the volume indication is a first volume indication from a plurality of volume indications, each volume indication being associated with a volume threshold from a plurality of volume thresholds;

the output device is configured to output the first pressure indication when the pressure of the fluid crosses the pressure threshold from the plurality of pressure thresholds; and

the output device is configured to output the first volume indication when the at least one of the flow rate or the volume of the fluid crosses the volume threshold from the plurality of volume thresholds.

19. The apparatus of claim 14, wherein the sensor includes:

a pressure sensor configured to output a signal associated with a pressure of the fluid; and

a flow meter configured to output a signal associated with the at least one of the flow rate or the volume of the fluid.

20. The apparatus of claim 14, wherein:

the output device is configured to output the volume indication when the at least one of the flow rate or the volume of the fluid crosses a volume threshold; and

the volume threshold is associated with a volume of the expandable member.

21. An apparatus, comprising:

a sensor coupled to a reservoir that supplies a fluid to an expandable member, the sensor configured to output a signal associated with a pressure of the fluid and a signal associated with at least one of a flow rate or a volume of the fluid; and

an output device in communication with the sensor, the output device configured to output an indication as a function of the signal associated with the pressure and the signal associated with the at least one of the flow rate or the volume.

22. The apparatus of claim 21, wherein:

the output device is configured to output the indication when the pressure of the fluid crosses a pressure threshold; and

the pressure threshold is a function of the at least one of the flow rate or the volume of the fluid.

23. The apparatus of claim 21, wherein:

the indication is a first indication from a plurality of indications, each indication being associated with a pressure threshold from a plurality of pressure thresholds;

the pressure threshold is a function of the at least one of the flow rate or the volume of the fluid; and

the output device is configured to output the first indication when the pressure of the fluid crosses the pressure threshold from the plurality of pressure thresholds.

24. An apparatus, comprising:

a receiver configured to receive an identification associated with a medical device having an expandable member and a catheter configured to convey a fluid to the expandable member; and

an output device in communication with the receiver, the output device configured to output an indication based on the identification.

25. The apparatus of claim 24 wherein the identification is a datum associated with the medical device.

26. The apparatus of claim 24, further comprising an identifier associated with the medical device, the identifier configured to provide the identification associated with the medical device.

27. The apparatus of claim 26 wherein the identifier is associated with a pressure of the fluid being used to expand the expandable member.

28. The apparatus of claim 24, further comprising an identifier associated with the medical device, the identifier configured to provide the identification associated with the medical device, wherein the identifier is coupled to at least one of the catheter or the expandable member.

29. The apparatus of claim 24, further comprising an identifier associated with the medical device, the identifier configured to provide the identification associated with the medical device, and wherein the receiver is configured to be removably and matingly coupled to the identifier.

30. The apparatus of claim 24, wherein:

the indication is a pressure indication associated with a pressure of the fluid; and

the output device is configured to output the pressure indication when the pressure of the fluid crosses a pressure threshold, the pressure threshold being a function of the identification.

31. The apparatus of claim 24, wherein:

the indication is an indication associated with at least one of the flow rate or the volume of the fluid; and

the output device is configured to output the indication when the at least one of the flow rate or the volume of the fluid crosses a threshold, the threshold being a function of the identification.

32. The apparatus of claim 24, wherein:

the indication is qualitative; and

the output device is configured to output the indication without outputting a quantitative pressure indication.

33. A kit, comprising:

an expandable member configured to move between a collapsed configuration and an expanded configuration;

a reservoir configured to convey a fluid to the expandable member, the reservoir including a sensor configured to output a signal associated with a pressure of the fluid within the reservoir; and

an output device in communication with the sensor, the output device configured to output a qualitative pressure indication in response to the signal without outputting a quantitative pressure indication.

34. The kit of claim 33, wherein the output device is coupled to the reservoir.

35. A method, comprising:

inserting an expandable member into a body;

conveying a fluid from a reservoir to the expandable member, the reservoir including a sensor configured to output a signal associated with a pressure of the fluid within the reservoir;

receiving a qualitative indication associated with the signal without receiving a quantitative indication; and

modifying the amount of fluid being conveyed from the reservoir to the expandable member based on the qualitative indication.

36. The method of claim 35, wherein the modifying includes at least one act selected from a group consisting of (1) reducing the rate of conveyance of the fluid from the reservoir to the expandable member, (2) increasing the rate of conveyance of the fluid from the reservoir to the expandable member, (3) stopping the conveyance of the fluid from the reservoir to the expandable member or (4) withdrawing the fluid from the expandable member.

37. The method of claim 35, wherein the expandable member is inserted percutaneously into an interior region of a vertebra.