Systems for securing sutures, grafts and soft tissue to bone and periosteum

• US 6,200,330 B1
• Filed: 11/23/1998
• Issued: 03/13/2001
• Est. Priority Date: 11/23/1998
• Status: Expired due to Term

• Current Assignee: Springboard Medical Ventures LLC
• Original Assignee: Springboard Medical Ventures LLC
• Inventors: Ryan, Timothy Charles, Benderev, Theodore V.
• Primary Examiner(s): Buiz, Michael
• Assistant Examiner(s): REIP, DAVID OWEN
• Application Number:
  US09/197,938
• Time in Patent Office: 841 Days
• Field of Search: 606/72, 606/73, 606/75, 606/219, 606/221, 606/232, 606/222, 606/223, 606/224, 606/225, 411/485, 411/446, 411/447, 411/448, 411/449, 411/471, 411/472, 411/480, 411/356-359
• US Class Current: 606/232
• CPC Class Codes: A61B 17/0401 Suture anchors, buttons or pledgets, i.e. means for attaching sutures to bone, cartilage or soft tissue; Instruments for applying or removing suture anchors A61B17/0642 takes precedence; fixation devices for tendons or ligaments A61F2/0811
• CPC Class Codes: A61B 17/0642 for bones, e.g. for osteosynthesis or connecting tendon to bone
• CPC Class Codes: A61B 2017/0412 having anchoring barbs or pins extending outwardly from suture anchor body
• CPC Class Codes: A61B 2017/0414 having a suture-receiving opening, e.g. lateral opening lateral eyelet for attaching suture to needle A61B2017/06019
• CPC Class Codes: A61B 2017/0427 having anchoring barbs or pins extending outwardly from the anchor body
• CPC Class Codes: A61B 2017/0438 slotted, i.e. having a longitudinal slot for enhancing their elasticity
• CPC Class Codes: A61B 2017/044 with a threaded shaft, e.g. screws
• CPC Class Codes: A61B 2017/0445 cannulated, e.g. with a longitudinal through-hole for passage of an instrument
• CPC Class Codes: A61B 2017/0454 the anchor being crimped or clamped on the suture
• CPC Class Codes: A61B 2017/0461 with features cooperating with special features on the suture, e.g. protrusions on the suture
• CPC Class Codes: A61B 2017/0462 One way system, i.e. also tensioning the suture
• CPC Class Codes: A61F 2/0811 Fixation devices for tendons or ligaments
• CPC Class Codes: A61F 2002/0858 Fixation of tendon or ligament between anchor and bone, e.g. interference screws, wedges
• CPC Class Codes: A61F 2002/0888 Anchor in or on a blind hole or on the bone surface without formation of a tunnel

Abstract

Devices for affixing sutures, grafts and tissues to bone, and soft tissue such as periosteum. In a first embodiment, the invention comprises a piton member implantable within bone having a post or eyelet formed thereon to which the suture or tissue may be attached. The piton member is designed to become more firmly secured within the bone when pressure is applied to a first axis pushing the piton member into the bone, but may be easily removed when such force is applied in a generally opposed direction. In a second embodiment, the invention comprises affixation devices that are designed to detachably ensnare with periosteum. Such devices are provided with attachment structures, such as one post, eyelet or other means for securing sutures, grafts, synthetic materials or tissues.

Claims

1. A surgical implant for securing sutures, graphs, synthetic materials, in soft tissue to bone or soft tissue at a selected target site comprising:

a) a piton member formed from non-bioabsorbable material having proximal and distal ends, said distal end comprising at least two opposed outwardly-flaring prongs for piercing directly through in thereafter becoming embedded within said bone or soft tissue such that each respective one of said prongs defines a dedicated pathway of penetration therewithin;

b) an attachment member formed upon said proximal end of said piton member, said attachment member being formed from non-bioabsorbable material and designed to receive and securably hold said suture, graph or soft tissue such that a strain is imparted thereto;

c) wherein said attachment member is formed relative said piton member such that in use, when said suture, graph or soft tissue is attached to said attachment member and tension is applied thereto, such strain is imparted about a first axis and said prongs of said piton member are caused to advance towards said dedicated pathways of penetration; and

d) wherein said dedicated pathways of penetration and said first axis are not parallel to one another.

2. A surgical implant for securing sutures, graphs, synthetic materials, in soft tissue to bone or soft tissue at a selected target site comprising:

a) a piton member formed from non-bioabsorbable material having proximal and distal ends, said distal end comprising at least two opposed outwardly-flaring prongs for piercing directly through in thereafter becoming embedded within said bone or soft tissue such that each respective one of said prongs defines a dedicated pathway of penetration therewithin;

b) an attachment member formed upon said proximal end of said piton member, said attachment member being formed from non-bioabsorbable material and designed to receive and secureably hold said suture, graph or soft tissue such that a strain is imparted thereto;

c) wherein said attachment member is formed relative said piton member such that in use, when said suture, graph or soft tissue is attached to said attachment member and tension is applied thereto, such strain is imparted about a first axis and said prongs of said piton member are caused to advance towards said dedicated pathways of penetration; and

d) wherein said dedicated pathways of penetration and said first axis are parallel to one another.