EP0390613A1
Expired / Lapsed
EP
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Absorbable surgical fastener with bone penetrating elements
Assignee: United States Surgical Corp
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Filing: 1990-04-02
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Granted: —
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Expires: 2010-04-02
Abstract
Abstract A self-inserting absorbable orthopedic fixation device (100) having a bioabsorbable fastening body portion (101) for fastening body tissue, and having bone penetrating elements such as hard, pointed tips (104) for penetrating bone or hard tissue fixed thereto. The pointed tips (104) may be fabricated from metals or ceramics. The fixation device may be in the form of staples, pins, screws, and the like.
Inventors
- 👤 Thomas W. Sander
- 👤 Jeffrey S. White
Bibliographic Details
Application Number
—
Jurisdiction
EP
Data Source
google_patents
Last Synchronized
2026-10-23 13:54
CPC Classifications
A; A61; A61B; A61B17/00; A61B17/064; A61B17/0642; A61B17/56; A61B17/58; A61B17/68; A61B2017/00004; A61B2017/0647; A61B2017/0648
Claims Analysis
Total Claims: 25
Claim 1
Independent Claim
18 words
A surgical fastener (100) comprising a bioabsorbable fastening body portion (101) having at least one bone penetrating element.
Claim 2
Dependent Claim
18 words
A surgical fastener (100) comprising a bioabsorbable fastening body portion (101) having at least one bone penetrating element.
Claim 3
Dependent Claim
22 words
A fastener as claimed in Claim 1 wherein said bone penetrating element has a hardness sufficient for penetrating bone or hard tissue.
Claim 4
Dependent Claim
16 words
A fastener as claimed in Claim 2, wherein said bone penetrating element is a tip (104).
Claim 5
Dependent Claim
19 words
A fastener as claimed in Claim 3, wherein said tip comprises means (108) for cutting bone or hard tissue.
Claim 6
Dependent Claim
20 words
A fastener as claimed in Claim 4, wherein said means for cutting hard tissue is a relatively sharp point (107).
Claim 7
Dependent Claim
21 words
A fastener as claimed in Claim 4, wherein said means for cutting hard tissue is at least one relatively sharp edge.
Claim 8
Dependent Claim
31 words
A fastener as claimed in any one of the preceding claims, wherein said fastening body portion comprises a crosspiece (103) and at least one leg (102) attached to said crosspiece (103).
Claim 9
Dependent Claim
30 words
A fastener as claimed in Claim 7, wherein said leg (102) is an integral part of said bioabsorbable fastening body portion (101) and extends substantially perpendicularly from said crosspiece (103).
Claim 10
Dependent Claim
21 words
A fastener as claimed in Claim 8, wherein said bone penetrating element is fixed to the end of said leg (102).
Claim 11
Dependent Claim
24 words
A fastener as claimed in any one of the preceding claims, wherein the bioabsorbable fastening body portion (101) is fabricated from a polymeric material.
Claim 12
Dependent Claim
22 words
A fastener as claimed in Claim 10, wherein said polymeric material is selected from poly (p-dioxanone), polylactide, polyglycolide, polycaprolactone, and poly (orthoesters).
Claim 13
Dependent Claim
22 words
A fastener as claimed in any one of the preceding claims, wherein said bone penetrating element is fabricated from a metallic material.
Claim 14
Dependent Claim
22 words
A fastener as claimed in Claim 12, wherein said metallic material is selected from stainless steel, titanium, titanium alloys, and cobalt-chromium-molybdenum alloy.
Claim 15
Dependent Claim
23 words
A fastener as claimed in any one of Claims 1 to 11, wherein said bone penetrating element is fabricated from a ceramic material.
Claim 16
Dependent Claim
20 words
A fastener as claimed in Claim 14, wherein said ceramic material is selected from zirconia, alumina, and carbon /carbon composites.
Claim 17
Dependent Claim
21 words
A fastener as claimed in any one of the preceding claims, wherein said bioabsorbable fastening body portion comprises a shaft (203).
Claim 18
Dependent Claim
22 words
A fastener as claimed in Claim 16, wherein said bone penetrating element (201) is fixed to the end of said shaft (203).
Claim 19
Dependent Claim
28 words
A fastener as claimed in Claim 17 additionally having mounting means comprising a male mounting fixture (208) and a female receptacle (210) for receiving said male mounting fixture.
Claim 20
Dependent Claim
27 words
A fastener as claimed in Claim 18, wherein said male mounting fixture (208) comprises a substantially cross-shaped member projecting perpendicularly from the end of said shaft (203A).
Claim 21
Dependent Claim
41 words
A fastener as claimed in Claim 18, wherein said male mounting fixture (209) comprises a base portion (209A) projecting perpendicularly from the end surface of said bone penetrating element (201B), and a substantially pyramidal portion (209B) projecting from said base portion.
Claim 22
Dependent Claim
21 words
A fastener as claimed in any one of the preceding claims, wherein the bioabsorbable fastening body portion contains a reinforcing material.
Claim 23
Dependent Claim
19 words
A fastener as claimed in Claim 21, wherein the reinforcing material is at least one type of reinforcing fiber.
Claim 24
Dependent Claim
20 words
A fastener as claimed in Claim 21 or 22, wherein the reinforcihg material is chosen from polymeric resins and ceramics.
Claim 25
Dependent Claim
26 words
A fastener as claimed in any one of the preceding claims, wherein the bone penetrating element, comprises an impact surface (104A) for receiving a driving force.
References Cited (Backward Citations)
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