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US7635387: Adjustable height focal tissue deflector

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Filing Information

Inventor(s) David Reuter · Mark Mathis · Greg Nieminen · Cruz Beeson ·
Assignee(s) Cardiac Dimensions, Inc. ·
Attorney/Agent(s) ShayGlenn LLP ·
Primary Examiner Scott M Getzow ·
Application Number US10861782
Filing date 06/03/2004
Issue date 12/22/2009
Prior Publication Data
Predicted expiration date 05/12/2024
Patent term adjustment 923
U.S. Classifications 623/237  · 623/211  ·
International Classifications A61F224  ·
Kind CodeB2
Related U.S. Application DataCROSS-REFERENCE
This application is a continuation-in-part of U.S. patent application. Ser. No. 10/003,910, filed Nov. 1, 2001, now U.S. Pat. No. 6,949,122, the disclosure of which is incorporated by reference. This application is also a continuation-in-part of U.S. patent application Ser. No. 10/429,204, filed May 2, 2003 now U.S. Pat. No. 7,311,729, which is a continuation-in-part of U.S. patent application. Ser. No. 10/142,637, filed May 8, 2002, now U.S. Pat. No. 6,824,562, the disclosures of which are incorporated by reference. This application also claims the benefit of U.S. Provisional Application No. 60/476,666, filed Jun. 5, 2003, which application is incorporated herein by reference.
29 Claims, 7 Drawings


Abstract

A tissue shaping device adapted to reshape target tissue adjacent to a lumen. In some embodiments, the device includes an expandable and contractable anchor, with the anchor having an adjustable height anchoring portion adapted to engage a wall of the lumen in at least first and second anchor heights, the anchoring portion being further adapted to be changed from the first anchor height to the second anchor height by a substantially proximally or a substantially distally directed actuation force. The invention is also a tissue shaping system including a tissue shaping device and a tool for adjusting the height of an anchor of the device. The invention also includes methods of using such tissue shaping devices and systems.

Independent Claims | See all claims (29)

  1. 1. A tissue shaping device adapted to reshape target tissue adjacent to a lumen, the device comprising an expandable and contractable anchor, the anchor comprising an adjustable height anchoring portion adapted to engage a wall of the lumen in at least first and second anchor heights, the anchoring portion being further adapted to be changed from the first anchor height to the second anchor height by a substantially proximally or a substantially distally directed actuation force, wherein the adjustable height anchoring portion comprises a bent wire portion which is adapted to change its shape in response to the actuation force wherein the anchor further comprises a plurality of locks each adapted to lock the anchoring portion in an anchoring height.
  2. 3. A tissue shaping device adapted to reshape target tissue adjacent to a lumen, the device comprising an expandable and contractable anchor, the anchor comprising an adjustable height anchoring portion adapted to engage a wall of the lumen in at least first and second anchor heights, the anchoring portion being further adapted to be changed from the first anchor height to the second anchor height by a substantially proximally or a substantially distally directed actuation force, wherein the adjustable height anchoring portion comprises a bent wire portion, and wherein the bent wire portion is formed in a figure 8 configuration.
  3. 4. A tissue shaping device adapted to reshape target tissue adjacent to a lumen, the device comprising an expandable and contractable anchor, the anchor comprising an adjustable height anchoring portion adapted to engage a wall of the lumen in at least first and second anchor heights, the anchoring portion being further adapted to be changed from the first anchor height to the second anchor height by a substantially proximally or a substantially distally directed actuation force, the device further comprising an anchor height adjustment tool interface.
  4. 5. A tissue shaping device adapted to reshape target tissue adjacent to a lumen, the device comprising an expandable and contractable anchor, the anchor comprising an adjustable height anchoring portion adapted to engage a wall of the lumen in at least first and second anchor heights, the anchoring portion being further adapted to be changed from the first anchor height to the second anchor height by a substantially proximally or a substantially distally directed actuation force, the device further comprising an anchor height adjustment mechanism adapted to register the adjustable height anchoring portion in a plurality of predetermined anchor heights.
  5. 11. A tissue shaping system comprising: an anchor height adjustment tool; and a tissue shaping device adapted to reshape target tissue adjacent to a lumen, the device comprising an expandable and contractable anchor, the anchor comprising: an adjustable height anchoring portion adapted to engage a wall of the lumen in at least first and second anchor heights; and a tool interface adapted to receive a proximally or distally directed actuation force from the anchor height adjustment tool to change the adjustable height anchoring portion from the first anchor height to the second anchor height.
  6. 20. A method of shaping target tissue adjacent to a lumen, the method comprising: delivering a tissue shaping device comprising an expandable and contractable anchor to a site in the lumen adjacent the target tissue, wherein the anchor has an anchor height; locking the anchor in a first height; applying a substantially distally or a substantially proximally directed actuation force on the anchor to change the anchor height from the first height to a second height; and locking the anchor in the second height.
  7. 23. A method of shaping target tissue adjacent to a lumen, the method comprising: delivering a tissue shaping device comprising an expandable and contractable anchor to a site in the lumen adjacent the target tissue, wherein the anchor has an anchor height; locking the anchor in a first height; applying a substantially distally or a substantially proximally directed actuation force on the anchor to change the anchor height from the first height to a second height; and locking the anchor in the second height; and wherein the anchor comprises a height adjustment tool interface, the applying step comprising engaging an anchor height adjustment tool with the height adjustment tool interface.
  8. 29. A tissue shaping device adapted to reshape target tissue adjacent to a lumen, the device comprising an expandable and contractable anchor, the anchor comprising an adjustable height anchoring portion adapted to engage a wall of the lumen in at least first and second lockable anchor heights, the anchoring portion being further adapted to be changed from the first lockable anchor height to the second lockable anchor height by a substantially proximally or a substantially distally directed actuation force, wherein the device further comprises at least a first lock element to lock the anchoring portion in the first lockable anchor height and a second lock element to lock the anchoring portion in the second lockable anchor height.

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