Tissue connector apparatus and methods

• US 7,892,255 B2
• Filed: 08/28/2003
• Issued: 02/22/2011
• Est. Priority Date: 03/01/1999
• Status: Expired due to Fees

• Current Assignee: Medtronic Incorporated (Medtronic Plc)
• Original Assignee: Medtronic Incorporated (Medtronic Plc)
• Inventors: Gandionco, Isidro Matias, Gardiner, Barry, Nguyen, John, Hill, Art, Ho, Liem, Schaller, Laurent
• Primary Examiner(s): Woo; Julian W
• Application Number:
  US10/653,027
• Publication Number:
  US 20050075667A1
• Time in Patent Office: 2,735 Days
• Field of Search: 606/157, 606/228, 606222-224, 606/232, 606/151, 606/213, 606/219, 606/231, 623/1.47, 607/132
• US Class Current: 606/228
• CPC Class Codes: A61B 17/0469 Suturing instruments for use in minimally invasive surgery, e.g. endoscopic surgery
• CPC Class Codes: A61B 17/06 Needles ; Sutures; Needle-suture combinations; Holders or packages for needles or suture materials puncturing needles A61B17/34; hypodermic needles A61M5/32 ; sewing needles D05B85/00
• CPC Class Codes: A61B 17/064 Surgical staples, i.e. penetrating the tissue
• CPC Class Codes: A61B 17/0644 penetrating the tissue, deformable to closed position
• CPC Class Codes: A61B 17/11 for performing anastomosis; Buttons for anastomosis
• CPC Class Codes: A61B 2017/06009 having additional means for releasably clamping the suture to the needle, e.g. actuating rod slideable within the needle
• CPC Class Codes: A61B 2017/06057 Double-armed sutures, i.e. sutures having a needle attached to each end
• CPC Class Codes: A61B 2017/1107 for blood vessels
• CPC Class Codes: A61B 2017/1135 End-to-side connections, e.g. T- or Y-connections

Abstract

Tissue connector assemblies having at least two piercing members, each releaseably coupled to a surgical fastener such as a surgical clip. A flexible member such as a suture may be used to couple one or both piercing members to respective ends of the fastener.

Claims

1. A tissue connector assembly comprising a surgical fastener, which is adapted to assume a loop configuration, a first tissue piercing member and a second tissue piercing member, said surgical fastener having a first end portion and a second end portion, said first tissue piercing member being coupled to said first end portion and said second tissue piercing member being coupled to said second end portion,

further including a flexible member comprising a suture, said flexible member having a first end portion coupled to said first tissue piercing member and a second end portion coupled to said first end portion of said fastener,

further including a coupling, said first tissue piercing member and said first end portion of said surgical fastener being coupled to said coupling;

and

wherein said coupling comprises a tubular member having movable portions and said surgical fastener includes an enlarged portion adapted for receipt in said movable portions.

2. The tissue connector assembly of claim 1 wherein said enlarged portion is spherical.

3. The tissue connector assembly of claim 1 wherein said movable portions comprise a plurality of strands.

4. The tissue connector assembly of claim 3 wherein a plurality of said strands include a notch for receiving a portion of said enlarged portion.

5. The tissue connector assembly of claim 3 wherein said strands comprise wires.

6. The tissue connector assembly of claim 3 wherein said strands comprise cables.

7. A tissue connector assembly comprising a surgical fastener, which is adapted to assume a loop configuration, a first tissue piercing member and a second tissue piercing member, said surgical fastener having a first end portion and a second end portion, said first tissue piercing member being coupled to said first end portion and said second tissue piercing member being coupled to said second end portion,

further including a flexible member comprising a suture, said flexible member having a first end portion coupled to said first tissue piercing member and a second end portion coupled to said first end portion of said fastener,

further including a coupling, said first tissue piercing member and said first end portion of said surgical fastener being coupled to said coupling,

further including a second coupling, said surgical fastener second end portion and second piercing member being coupled to said second coupling;

and

wherein said surgical fastener includes an enlarged portion and said second coupling comprises a generally tubular member having movable portions adapted to receive at least a portion of said second portion.

8. The tissue connector assembly of claim 7 wherein said movable portions comprise a plurality of strands.

9. The tissue connector assembly of claim 7 wherein a plurality of said strands include a notch for receiving a portion of said enlarged portion.

10. A tissue connector assembly comprising a surgical fastener, which is adapted to assume a loop configuration, a first tissue piercing member and a second tissue piercing member, said surgical fastener having a first end portion and a second end portion, said first tissue piercing member being coupled to said first end portion and said second tissue piercing member being coupled to said second end portion, and

further including a flexible member comprising a suture, said flexible member having a first end portion coupled to said first tissue piercing member and a second end portion coupled to said first end portion of said fastener

further including a coupling, said first tissue piercing member and said first end portion of said surgical fastener being coupled to said coupling

further including a second coupling, said surgical fastener second end portion and second piercing member being coupled to said second coupling;

and

wherein said second coupling releases the coupling between said second piercing member and said surgical fastener in response to releasing said fastener first end portion coupling.

11. A tissue connector assembly comprising a surgical fastener, which is adapted to assume a loop configuration, a first tissue piercing member and a second tissue piercing member, said surgical fastener having a first end portion and a second end portion, said first tissue piercing member being coupled to said first end portion and said second tissue piercing member being coupled to said second end portion, and

further including a flexible member comprising a suture, said flexible member having a first end portion coupled to said first tissue piercing member and a second end portion coupled to said first end portion of said fastener

further including a coupling, said first tissue piercing member and said first end portion of said surgical fastener being coupled to said coupling

further including a second coupling, said surgical fastener second end portion and second piercing member being coupled to said second coupling;

and

further including a coil surrounding said surgical fastener and wherein said fastener includes first and second enlarged portions and said fastener first end portion coupling and said second coupling are adapted for receipt of said fastener first and second enlarged portions, respectively, said second coupling including members having portions that have a radially outward bias and extend within said coil when said coil is compressed against said second coupling.

12. A tissue connector assembly comprising a surgical fastener, which is adapted to assume a loop configuration, a first tissue piercing member and a second tissue piercing member, said surgical fastener having a first end portion and a second end portion, said first tissue piercing member being coupled to said first end portion and said second tissue piercing member being coupled to said second end portion,

further including a coupling, said first tissue piercing member and said first end portion of said surgical fastener being coupled to said coupling,

including a second coupling, said surgical fastener second end portion and second piercing member being coupled to said second coupling,

further including a flexible member and a coil, said flexible member having a portion coupled to said second tissue piercing member and a portion coupled to said second coupling, said coil surrounding said surgical fastener and being compressed against said second coupling, said fastener including an enlarged portion and said fastener first end portion coupling being adapted for receipt of said enlarged portion, said second coupling including a first member fixedly secured to said fastener and a second member slidably coupled to said fastener, and said flexible member being compressed between said second coupling members when said coil is compressed against said slidably coupled member.

13. A tissue connector assembly comprising a surgical fastener, which is adapted to assume a loop configuration, a first tissue piercing member and a second tissue piercing member, said surgical fastener having a first end portion and a second end portion, said first tissue piercing member being coupled to said first end portion and said second tissue piercing member being coupled to said second end portion;

further including a flexible member comprising a suture, said flexible member having a first end portion coupled to said first tissue piercing member and a second end portion coupled to said first end portion of said fastener;

further including a coupling, said first tissue piercing member and said first end portion of said surgical fastener being coupled to said coupling;

including a second coupling, said surgical fastener second end portion and second piercing member being coupled to said second coupling; and

wherein said fastener includes a groove and projection and said second coupling includes a member having a groove and projection and a sleeve slidably mounted thereon, said fastener groove and projection being configured to mate with said coupling member groove and projection.

14. A tissue connector assembly comprising a surgical fastener, which is adapted to assume a loop configuration, a first tissue piercing member and a second tissue piercing member, said surgical fastener having a first end portion and a second end portion, said first tissue piercing member being coupled to said first end portion and said second tissue piercing member being coupled to said second end portion,

further including a coupling, said first tissue piercing member and said first end portion of said surgical fastener being coupled to said coupling,

further including a second coupling, said surgical fastener second end portion and second piercing member being coupled to said second coupling,

further including a flexible member having a portion coupled to said second tissue piercing member and a knotted portion, said second coupling including a tubular member having a bore, said knotted portion being in said bore and said bore having a portion with a diameter less than that of a section of said knotted portion.

15. A tissue connector assembly comprising a surgical fastener, which is adapted to assume a loop configuration, a first tissue piercing member and a second tissue piercing member, said surgical fastener having a first end portion and a second end portion, said first tissue piercing member being coupled to said first end portion and said second tissue piercing member being coupled to said second end portion, and

further including a flexible member comprising a suture, said flexible member having a first end portion coupled to said first tissue piercing member and a second end portion coupled to said first end portion of said fastener

further including a coupling, said first tissue piercing member and said first end portion of said surgical fastener being coupled to said coupling

including a second coupling, said surgical fastener second end portion and second piercing member being coupled to said second coupling;

and

wherein said second coupling comprises an annular blade coupled to said second piercing member, said annular blade surrounding and being secured to a portion of said surgical fastener.

16. A tissue connector assembly comprising a surgical fastener, which is adapted to assume a loop configuration, a first tissue piercing member and a second tissue piercing member, said surgical fastener having a first end portion and a second end portion, said first tissue piercing member being coupled to said first end portion and said second tissue piercing member being coupled to said second end portion, and

further including a flexible member comprising a suture, said flexible member having a first end portion coupled to said first tissue piercing member and a second end portion coupled to said first end portion of said fastener;

wherein said surgical fastener comprises a surgical clip; and

wherein said surgical clip comprises a wire,

further including a coil surrounding at least a portion of said wire and having confined ends.