Reinforced tissue patch

• US 8,690,960 B2
• Filed: 10/28/2010
• Issued: 04/08/2014
• Est. Priority Date: 11/24/2009
• Status: Active Grant

• Current Assignee: Covidien LP (Medtronic Plc)
• Original Assignee: Covidien LP (Medtronic Plc)
• Inventors: Mukherjee, Nilay, Hotter, Joseph
• Primary Examiner(s): McDermott, Corrine M
• Assistant Examiner(s): DANG, PHONG SON H
• Application Number:
  US12/914,436
• Publication Number:
  US 20110125287A1
• Time in Patent Office: 1,258 Days
• Field of Search: None
• US Class Current: 623/23.72
• CPC Class Codes: A61B 17/06166 Sutures suture materials A61L17/00; manufacture of artificial threads D01D; treatment of threads D06M
• CPC Class Codes: A61B 2017/06176 with protrusions, e.g. barbs
• CPC Class Codes: A61F 2/0045 Support slings
• CPC Class Codes: A61F 2/0063 Implantable repair or support meshes, e.g. hernia meshes
• CPC Class Codes: A61F 2/02 Prostheses implantable into the body closure means for urethra or rectum or for artificial body openings therefor A61F2/0004
• CPC Class Codes: A61F 2002/30062 (bio)absorbable, biodegradable, bioerodable, (bio)resorbable, resorptive
• CPC Class Codes: A61F 2210/0004 bioabsorbable

Abstract

A method of improving the mechanical properties of a tissue patch is provided. The method includes the steps of providing a tissue patch and placing at least one barbed suture along at least a portion of the tissue patch. The method may further include the step of placing one or more additional barbed sutures in a laterally spaced relation to the barbed suture. The barbed suture may be biodegradable or non-biodegradable.

Claims

1. A method of improving the mechanical properties of a tissue patch, the method comprising:

providing a tissue patch and at least one barbed suture, the tissue patch being of sufficient thickness to maintain a barbed length of the at least one barbed suture completely within the thickness of the tissue patch; and

placing the barbed length of at least one barbed suture along at least a portion of the tissue patch such that the barbed length of the at least one barbed suture is completely maintained within the thickness of the tissue patch.

2. The method of claim 1, further including placing one or more additional barbed sutures in a laterally spaced relation to the at least one barbed suture.

3. The method of claim 1, wherein the at least one barbed suture is one of biodegradable and non-biodegradable.

4. The method of claim 1, further including securing the tissue patch to a patient using the at least one barbed suture placed therethrough.

5. The method of claim 1, further including placing at least one additional barbed suture at an angle relative to the previously placed at least one barbed suture.

6. The method of claim 1, wherein the tissue patch comprises allograft, xenograft or autologous tissue.

7. The method according to claim 1, wherein the tissue patch includes multiple layers.

8. The method according to claim 1, wherein placing the barbed length of the at least one barbed suture along at least a portion of the tissue patch includes weaving the barbed length of the at least one barbed suture between the tissue layers.

9. A method of repairing a rotator cuff including:

accessing a surgical site including a humerus and a rotator cuff tendon;

creating a defect in the humerus;

providing a reinforced tissue patch having a first end and a second end and including at least one barbed suture extending along a portion of the tissue patch, a barbed length of the at least one barbed suture being completely maintained within a thickness of the reinforced tissue patch;

attaching the first end of the patch within the defect of the humerus such that the patch extends from the humerus; and

attaching the second end of the reinforced tissue patch to the rotator cuff tendon.

10. The method according to claim 9 further comprising:

debriding the rotator cuff tendon.

11. The method according to claim 9, wherein providing a reinforced tissue patch includes attaching a bone segment to the first end of the patch.

12. The method according to claim 11, wherein the bone segment of the patch is a bone plug.

13. The method according to claim 11, wherein the patch and the bone segment are coupled to each other by using mechanical means selected from the group consisting of:

interference fitting, pinning, stapling, adhering and combinations thereof.

14. The method according to claim 9, wherein accessing the humerus and the rotator cuff includes accessing the humerus and the rotator cuff via an access port.

15. The method according to claim 9, wherein the rotator cuff tendon is selected from the group consisting of a supraspinatus tendon, an infraspinatus tendon, a teres minor tendon, a subscapularis tendon, and a long head tendon.

16. The method according to claim 9, wherein attaching the patch to the rotator cuff tendon is performed by an attaching technique selected from the group consisting of anchoring, suturing, adhering, stapling, screwing, plugging, and press-fitting.

17. The method according to claim 9, further including applying energy to the surgical site selected from the group consisting of:

ultrasonic energy, pulsed electromagnetic field energy, current energy, and pressure hyperbaric energy.

18. The method according to claim 9, wherein the reinforced tissue patch comprises a material selected from the group consisting of:

autogenous, allogenic, xenogenic and synthetic.