IP Library › Granted Patent US 12,721,714
Granted Patent B2
US 12,721,714 · App. 16/907,091 · Granted Sep 1, 2026

Implantable prosthesis

Inventors: Augustus Felix (Cranston, RI); Michael Ligeikis (Marlton, NJ)
Assignee: Davol Inc.
A61F2/0063A61F2002/0068A61F2002/0072A61F2220/0075A61F2230/0063A61F2250/0097
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Quick Facts
Patent No.
US 12,721,714
App. No.
16/907,091
Granted
Sep 1, 2026
Kind
B2
Abstract

An implantable prosthesis for repairing a defect in a muscle or tissue wall. The prosthesis comprises a body of biologically compatible prosthetic material having a preformed three-dimensional contoured shape that independently assumes a three-dimensional curved shape configured to conform to the muscle or tissue wall. The body may be formed of a mesh fabric employing a knit construction. The body may be configured with one or more mechanical characteristics, individually or in any combination, having defined properties which may enhance the ability of the prosthesis to be handled in a surgical, robotic environment while meeting the performance and physical characteristics for soft tissue repair and reconstruction. One or more visual indicia may be provided to facilitate positioning and/or placement of the prosthesis at the muscle or tissue wall.

Claims (47)

1 . An implantable prosthesis for repairing a defect in a muscle or tissue wall, the prosthesis comprising:

a body of biologically compatible prosthetic material having a preformed three-dimensional contoured shape that independently assumes a curved shape configured to conform to the muscle or tissue wall, the body having a ball burst strength of 45 lbs to 52 lbs.

2 . The implantable prosthesis according to claim 1 , wherein the body has a ball burst strength of 45.7 lbs to 51.6 lbs.

3 . The implantable prosthesis according to claim 2 , wherein the body has a ball burst strength of 47 lbs to 50 lbs.

4 . The implantable prosthesis according to claim 3 , wherein the body has a ball burst strength of approximately 48.8 lbs.

5 . The implantable prosthesis according to claim 1 , wherein the body is formed of a mesh fabric and has a suture pullout strength of 6.9 lbs to 12.4 lbs in the machine direction and 7.7 lbs to 13.7 lbs in the cross direction.

6 . The implantable prosthesis according to claim 1 , wherein the body has a tensile strength of 12.6 lbs to 17.1 lbs in the machine direction and 31.4 lbs to 44.9 lbs in the cross direction.

7 . The implantable prosthesis according to claim 1 , wherein the body has a tear resistance of 7.8 lbs to 12.3 lbs in the machine direction and 7.7 lbs to 12.9 lbs in the cross direction.

8 . The implantable prosthesis according to claim 1 , wherein the body has an elongation at break of 100.3% to 133.7% in the machine direction and 52.6% to 66.4% in the cross direction.

9 . The implantable prosthesis according to claim 1 , wherein the body is formed of a knit mesh that includes a plurality of generally polygonal shaped primary pores defined by knitted strands of first filaments having a first diameter and a pair of individual second filaments that extend across each primary pore to define a plurality of secondary pores within each primary pore, each of the pair of individual second filaments extending substantially parallel to one another, each of the second filaments having a second diameter which is greater than the first diameter.

10 . The implantable prosthesis according to claim 9 , wherein the first filament has a diameter of approximately 0.0045 to 0.0051 inches and the second filament has a diameter of approximately 0.0063 to 0.0075 inches.

11 . The implantable prosthesis according to claim 9 , wherein the body includes an implantable dual bar warp knit mesh produced according to a first bar pattern chain of 4/2 4/6 4/2 6/8 6/4 6/8 and a second bar pattern chain of 6/8 2/0 6/8 4/2 8/10 4/2, wherein the first filament is knitted according to the first bar pattern chain and the second filament is knitted according to the second bar pattern chain.

12 . An implantable prosthesis for repairing a defect in a muscle or tissue wall, the prosthesis comprising:

a body of biologically compatible mesh material having a preformed three-dimensional contoured shape that independently assumes a curved shape configured to conform to the muscle or tissue wall, the body having a tensile strength of 12.6 lbs to 17.1 lbs in the machine direction and 31.4 lbs to 44.9 lbs in the cross direction.

13 . The implantable prosthesis according to claim 12 , wherein the body has a tensile strength of approximately 14.8 lbs in the machine direction and approximately 39.6 lbs in the cross direction.

14 . The implantable prosthesis according to claim 12 , wherein the body has a suture pullout strength of 6.9 lbs to 12.4 lbs in the machine direction and 7.7 lbs to 13.7 lbs in the cross direction.

15 . The implantable prosthesis according to claim 12 , wherein the body has a ball burst strength of 45 lbs to 52 lbs.

16 . The implantable prosthesis according to claim 12 , wherein the body has a tear resistance of 7.8 lbs to 12.3 lbs in the machine direction and 7.7 lbs to 12.9 lbs in the cross direction.

17 . The implantable prosthesis according to claim 12 , wherein the body has an elongation at break of 100.3% to 133.7% in the machine direction and 52.6% to 66.4% in the cross direction.

18 . The implantable prosthesis according to claim 12 , wherein the body is formed of a knit mesh that includes a plurality of generally polygonal shaped primary pores defined by knitted strands of first filaments having a first diameter and a pair of individual second filaments that extend across each primary pore to define a plurality of secondary pores within each primary pore, each of the pair of individual second filaments extending substantially parallel to one another, each of the second filaments having a second diameter which is greater than the first diameter.

19 . The implantable prosthesis according to claim 18 , wherein the first filament has a diameter of approximately 0.0045 to 0.0051 inches and the second filament has a diameter of approximately 0.0063 to 0.0075 inches.

20 . The implantable prosthesis according to claim 18 , wherein the body includes an implantable dual bar warp knit mesh produced according to a first bar pattern chain of 4/2 4/6 4/2 6/8 6/4 6/8 and a second bar pattern chain of 6/8 2/0 6/8 4/2 8/10 4/2, wherein the first filament is knitted according to the first bar pattern chain and the second filament is knitted according to the second bar pattern chain.

21 . An implantable prosthesis for repairing a defect in a muscle or tissue wall, the prosthesis comprising:

a body of biologically compatible mesh material having a preformed three-dimensional contoured shape that independently assumes a curved shape configured to conform to the muscle or tissue wall, the body having a tear resistance of 7.8 lbs to 12.3 lbs in the machine direction and 7.7 lbs to 12.9 lbs in the cross direction.

22 . The implantable prosthesis according to claim 21 , wherein the body has a tear resistance of approximately 9.6 lbs in the machine direction and approximately 10.4 lbs in the cross direction.

23 . The implantable prosthesis according to claim 21 , wherein the body has a tensile strength of 12.6 lbs to 17.1 lbs in the machine direction and 31.4 lbs to 44.9 lbs in the cross direction.

24 . The implantable prosthesis according to claim 21 , wherein the body has a suture pullout strength of 6.9 lbs to 12.4 lbs in the machine direction and 7.7 lbs to 13.7 lbs in the cross direction.

25 . The implantable prosthesis according to claim 21 , wherein the body has a ball burst strength of 45 lbs to 52 lbs.

26 . The implantable prosthesis according to claim 21 , wherein the body has an elongation at break of 100.3% to 133.7% in the machine direction and 52.6% to 66.4% in the cross direction.

27 . The implantable prosthesis according to claim 21 , wherein the body is formed of a knit mesh that includes a plurality of generally polygonal shaped primary pores defined by knitted strands of first filaments having a first diameter and a pair of individual second filaments that extend across each primary pore to define a plurality of secondary pores within each primary pore, each of the pair of individual second filaments extending substantially parallel to one another, each of the second filaments having a second diameter which is greater than the first diameter.

28 . The implantable prosthesis according to claim 27 , wherein the first filament has a diameter of approximately 0.0045 to 0.0051 inches and the second filament has a diameter of approximately 0.0063 to 0.0075 inches.

29 . The implantable prosthesis according to claim 27 , wherein the body includes an implantable dual bar warp knit mesh produced according to a first bar pattern chain of 4/2 4/6 4/2 6/8 6/4 6/8 and a second bar pattern chain of 6/8 2/0 6/8 4/2 8/10 4/2, wherein the first filament is knitted according to the first bar pattern chain and the second filament is knitted according to the second bar pattern chain.

30 . An implantable prosthesis for repairing a defect in a muscle or tissue wall, the prosthesis comprising:

a body of biologically compatible mesh material having a preformed three-dimensional contoured shape that independently assumes a curved shape configured to conform to the muscle or tissue wall, the body having an elongation at break of 100.3% to 133.7% in the machine direction and 52.6% to 66.4% in the cross direction.

31 . The implantable prosthesis according to claim 30 , wherein the body has an elongation at break of approximately 113% in the machine direction and approximately 60% in the cross direction.

32 . The implantable prosthesis according to claim 30 , wherein the body has a suture pullout strength of 6.9 lbs to 12.4 lbs in the machine direction and 7.7 lbs to 13.7 lbs in the cross direction.

33 . The implantable prosthesis according to claim 30 , wherein the body has a tensile strength of 12.6 lbs to 17.1 lbs in the machine direction and 31.4 lbs to 44.9 lbs in the cross direction.

34 . The implantable prosthesis according to claim 30 , wherein the body has a tear resistance of 7.8 lbs to 12.3 lbs in the machine direction and 7.7 lbs to 12.9 lbs in the cross direction.

35 . The implantable prosthesis according to claim 30 , wherein the body has a ball burst strength of 45 lbs to 52 lbs.

36 . The implantable prosthesis according to claim 30 , wherein the body is formed of a knit mesh that includes a plurality of generally polygonal shaped primary pores defined by knitted strands of first filaments having a first diameter and a pair of individual second filaments that extend across each primary pore to define a plurality of secondary pores within each primary pore, each of the pair of individual second filaments extending substantially parallel to one another, each of the second filaments having a second diameter which is greater than the first diameter.

37 . The implantable prosthesis according to claim 36 , wherein the first filament has a diameter of approximately 0.0045 to 0.0051 inches and the second filament has a diameter of approximately 0.0063 to 0.0075 inches.

38 . The implantable prosthesis according to claim 36 , wherein the body includes an implantable dual bar warp knit mesh produced according to a first bar pattern chain of 4/2 4/6 4/2 6/8 6/4 6/8 and a second bar pattern chain of 6/8 2/0 6/8 4/2 8/10 4/2, wherein the first filament is knitted according to the first bar pattern chain and the second filament is knitted according to the second bar pattern chain.

39 . An implantable prosthesis for repairing a defect in a muscle or tissue wall, the prosthesis comprising:

a body of biologically compatible mesh material having a preformed three-dimensional contoured shape that independently assumes a curved shape configured to conform to the muscle or tissue wall, the body having a ball burst strength of 45 lbs to 52 lbs, a tensile strength of 12.6 lbs to 17.1 lbs in the machine direction and 31.4 lbs to 44.9 lbs in the cross direction, a tear resistance of 7.8 lbs to 12.3 lbs in the machine direction and 7.7 lbs to 12.9 lbs in the cross direction and an elongation at break of 100.3% to 133.7% in the machine direction and 52.6% to 66.4% in the cross direction.

40 . The implantable prosthesis according to claim 39 , wherein the body is formed of a knit mesh that includes a plurality of generally polygonal shaped primary pores defined by knitted strands of first filaments having a first diameter and a pair of individual second filaments that extend across each primary pore to define a plurality of secondary pores within each primary pore, each of the pair of individual second filaments extending substantially parallel to one another, each of the second filaments having a second diameter which is greater than the first diameter.

41 . The implantable prosthesis according to claim 40 , wherein the first filament has a diameter of approximately 0.0045 to 0.0051 inches and the second filament has a diameter of approximately 0.0063 to 0.0075 inches.

42 . The implantable prosthesis according to claim 40 , wherein the body includes an implantable dual bar warp knit mesh produced according to a first bar pattern chain of 4/2 4/6 4/2 6/8 6/4 6/8 and a second bar pattern chain of 6/8 2/0 6/8 4/2 8/10 4/2, wherein the first filament is knitted according to the first bar pattern chain and the second filament is knitted according to the second bar pattern chain.

Assignments (1)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Mar 26, 2021
From: FELIX, AUGUSTUS; LIGEIKIS, MICHAEL
To: DAVOL INC.
Reel/Frame 055730/0964 →
Continuity (1)
Related Publication 20210393388A1 · Dec 23, 2021
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