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US6361559: Thermal securing anastomosis systems

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Filing Information

Inventor(s) Russell A. Houser · James G. Whayne · Sidney D. Fleischman ·
Assignee(s) Converge Medical, Inc. ·
Attorney/Agent(s) Morrison & Foerster LLP ·
Primary Examiner Michael J. Milano ·
Application Number US9329504
Filing date 06/10/1999
Issue date 03/26/2002
Predicted expiration date 06/10/2019
U.S. Classifications 623/136  · 606/213  ·
International Classifications --
Kind CodeB1
International Classifications 623 136 · 606213 · 606153 · 606154 · 606155 ·
Related U.S. Application DataThis application is related to the following applications: now abandoned Provisional application Serial No. 60/111,948 filed Dec. 11, 1998; now abandoned Provisional application Serial No. 60/088,705 filed Jun. 10, 1998; now abandoned Provisional application Serial No. 60/030,733 filed Nov. 8, 1996; and co-pending U.S. application Serial No. 08/932,566 filed Sep. 19, 1997.
7 Claims, 71 Drawings


Abstract

A sutureless anastomosis systems for securing a bypass graft to a host vessel or other tubular structure including a bypass graft and fitting. A compression mechanism may be used with the system for attachment of the bypass graft to the fitting. An electrode is connected to the fitting and an energy source. The energy source transmits energy to the electrode and causes the adjacent tissue to rise in temperature and bond to a vessel or fitting.

Independent Claims | See all claims (7)

  1. 1. A bypass graft system comprising: a fitting defining an inner surface, an outer surface, at least two ends, and a compression mechanism adapted to attach a bypass graft to the fitting; and at least one electrode functionally connected to the fitting and an energy source; wherein the energy source is adapted to transmit energy to the electrode and cause functionally adjacent regions of tissue to rise in temperature.
  2. 2. A bypass graft system comprising: a fitting defining an inner surface, an outer surface, at least two ends, and a compression mechanism adapted to attach the bypass graft to the fitting; a sheath adapted for insertion through a puncture in a vessel wall and including a lumen for passing the bypass graft and fitting into the vessel interiors, the sheath adapted to split in two or more pieces for removal from around the bypass graft; and at least one electrode connected to the fitting and to an energy source; wherein the energy source is adapted to transmit electrical current to the electrode and cause thermal excitation of an adjacent region of tissue.
  3. 3. A system for securing a graft comprising; a tubular structure having at least two ends, an inner surface, and an outer surface; a first fitting attached to one end of the tubular structure and having a cross-section that substantially matches the cross-section of the tubular structure; a second fitting attached to the other end of the tubular structure and having a cross-section that substantially matches the cross-section of the tubular structure; a delivery mechanism adapted to access the lumen of the vessel and adapted to hold the lumen in an expanded orientation, the delivery mechanism adapted to functionally cooperate with the fittings and tubular structure in order for the fittings and tubular structure to be inserted through an opening established in the vessel; at least one first electrode associated with the first fitting adapted to thermally secure the first fitting to a vessel at the one location; and at least one second electrode associated with the second fitting adapted to thermally secure the second fitting to the vessel at a second location.
  4. 5. A bypass graft system comprising: a fitting attached to a bypass graft, the fitting including a flared distal end and at least one electrode associated with the flared distal end, the at least one electrode adapted to thermally secure the fitting to a vessel wall.
  5. 6. A bypass graft reinforcing structure comprising; a tubular structure with an inner surface, outer surface, and two ends; a first fitting attached to the tubular structure at one end; a first compression mechanism adapted to secure a bypass graft to the first fitting; a first electrode associated with the first fitting, the first electrode adapted to thermally secure the bypass graft and the tubular structure at one end; a second fitting attached to the tubular structure at one end; a second compression mechanism adapted to secure the bypass graft to the second fitting; and a second electrode associated with the second fitting, the second fitting adapted to thermally secure the bypass graft and the tubular structure at the second end.
  6. 7. A bypass graft system comprising: at least one fitting defining an outer surface, an inner surface and at least two ends; at least one compression mechanism adapted to attach a graft to the at least one fitting; at least one electrode associated with the at least one fitting, the at least one electrode adapted to transmit thermal energy to at least a region of tissue; at least one current carrying member attached to the at least one electrode and adapted to be separated from the at least one electrode; and a generator connected to the at least one current carrying mechanism, the generator adapted to transmit an electrical current to the at least one electrode and cause a region of tissue adjacent the at least one electrode to rise in temperature and become secured to one or more members or body regions.

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Patent Family

Document NumberAssigneeInventorsIssue/Pub Date
US20020032462 JAMES G. WHAYNE et al. Mar 2002
US6361559 Converge Medical, Inc. Russell A. Houser et al. Mar 2002