Endoluminal filter

• US 9,463,037 B2
• Filed: 06/17/2013
• Issued: 10/11/2016
• Est. Priority Date: 01/03/2005
• Status: Expired due to Fees

• Current Assignee: Crux Biomedical, Inc. (Koninklijke Philips N.V.)
• Original Assignee: Crux Biomedical, Inc. (Koninklijke Philips N.V.)
• Inventors: Johnson, Eric, Fogarty, Thomas J., Arko, Frank, Elkins, Jeff, Seery, Martin
• Primary Examiner(s): STRANSKY, KATRINA MARIE
• Application Number:
  US13/919,680
• Publication Number:
  US 20130289609A1
• Time in Patent Office: 1,212 Days
• Field of Search: 606/200, 606/110, 606/113, 606/114, 606/127, 606/159, 606/198, 604104-106, 604/22, 604/96.01
• US Class Current: 1/1
• CPC Class Codes: A61B 17/221 Gripping devices in the form of loops or baskets for gripping calculi or similar types of obstructions surgical snare instruments A61B17/32056
• CPC Class Codes: A61F 2/01 Filters implantable into blood vessels
• CPC Class Codes: A61F 2/011 Instruments for their placement or removal
• CPC Class Codes: A61F 2002/016 made from wire-like elements
• CPC Class Codes: A61F 2002/018 made from tubes or sheets of material, e.g. by etching or laser-cutting
• CPC Class Codes: A61F 2230/0008 elliptical or oval
• CPC Class Codes: A61F 2230/001 Figure-8-shaped, e.g. hourglass-shaped
• CPC Class Codes: A61F 2230/0067 conical
• CPC Class Codes: A61F 2230/0095 Saddle-shaped
• CPC Class Codes: A61F 2250/0067 Means for introducing or releasing pharmaceutical products into the body
• CPC Class Codes: A61M 2025/0037 characterized by lumina being arranged side-by-side
• CPC Class Codes: A61M 2025/004 characterized by lumina being arranged circumferentially
• CPC Class Codes: A61M 25/0021 characterised by the form of the tubing A61M25/0054 takes precedence
• CPC Class Codes: A61M 25/007 Side holes, e.g. their profiles or arrangements; Provisions to keep side holes unblocked

Abstract

In one embodiment of the present invention there is provided an implantable filter. The implantable filter can include a first support member having a first end and a second end; a second support member positioned adjacent the first support member to form a loop between the first end and the second end of the first support member; and a filtering structure attached to the loop by a plurality of segmented tubes.

Claims

1. A filter, comprising:

a first end and a second end;

a first support member having a first end and a second end;

a second support member positioned adjacent the first support member to form a loop between the first end and the second end of the first support member; and

a filtering structure attached to the loop by a plurality of segmented tubes, wherein at least one of the plurality of segmented tubes attaches the filtering structure to the loop at a location other than the first end or second end of the filter.

2. The filter according to claim 1 wherein the filtering structure is releasably attached to the open loop.

3. The filter according to claim 1 further comprising a release line positioned along the open loop wherein the filtering structure is attached to the open loop using the release line.

4. The filter according to claim 1 wherein the second support member forms another open loop between the first end and the second end of the first support member.

5. The filter according to claim 1 wherein the second support member is joined to the first support member at the first end.

6. The filter according to claim 5 wherein the second support member only contacts the first support member where the second support member is joined to the first support member.

7. The filter according to claim 5 wherein the second support member is joined to the first support member at the second end.

8. The filter according to claim 1 further comprising a third support member extending along the first support member.

9. The filter according to claim 8 wherein the third support member has a sinusoidal shape.

10. The filter according to claim 8 wherein the third support member is positioned between the first and the second support members.

11. The filter according to claim 8 wherein the third support member is attached to the first end and the second end.

12. A filter, comprising:

a first end and a second end;

a first support member having a first end and a second end, wherein the first end of the first support member is located at or near the first end of the filter and the second end of the first support member is located at or near the second end of the filter;

a second support member positioned adjacent the first support member to form a loop between the first end and the second end of the first support member;

a material covering a portion of the first and the second support members;

a flexible line passing through the material to form a plurality of attachment loops; and

a structure attached to the plurality of attachment loops.

13. The filter of claim 12 wherein the structure is a filtering structure.

14. The filter of claim 13 further comprising:

another material between the material and the support members.

15. The filter of claim 14 wherein the another material is one of ePTFe, PTFE, PET, PFA, or FEP.

16. The filter of claim 14 wherein the another material covers the portion of the first and the second spiral support members covered by the material.

17. The filter of claim 14 wherein the material and the another material are part of a multi-lumen structure.

18. The filter of claim 13 wherein the material is one of ePTFe, PTFE, PET, PFA, or FEP.

19. The filter of claim 12 wherein the material is a coating.

20. The filter of claim 12 wherein the material is a multi-lumen structure.

21. The filter of claim 20 wherein the multi-lumen structure is configured to release a pharmacological agent.

22. The filter of claim 20 wherein a lumen of the multi-lumen structure is at least partially filled with a pharmacological agent.

23. An implantable device, comprising:

a frame;

a bonding material that is disposed over the frame and follows the contours of the frame;

one or more coating segments disposed over and bond to the bonding material, wherein the one or more coating segments is visible using intravascular ultrasound imaging; and

a line disposed between the bonding material and the one or more coating segments.

24. The implantable device of claim 23, wherein the bonding material comprises a first heat-shrink tubing made of a first polymer and the one or more coating segments comprises a second heat-shrink tubing made of a second polymer.