GB2266246A
Expired / Lapsed
GB
⏱️ 0.0 years remaining
Fracture fixation device
Assignee: Jesse Shirley & Son Ltd
•
Filing: 1993-03-29
•
Granted: —
•
Expires: 2013-03-29
Abstract
Abstract A fracture fixation device comprises a bone supporting plate component (10) and attachment means in the form of a plug arranged to be an interference fit within a pre-drilled hole in the bone without further damage to the bone. The plug (12) may be held in place by resilient barbs (32 Figure 2) or it can be expanded within the pre-drilled hole by an expanding member, such as pin (14). The pin and plug may be separate components. Alternatively, either the pin or the plug may be integral with the supporting plate. The device may be formed from a biologically degradable material such as a resorbable polymer or co-polymer, or from a composite material comprising a resorbable polymer and a particulate material. The particulate may be hydroxyapatite. A fracture fixation device formed from biologically degradable materials does not need to be removed from the body. <IMAGE>
Inventors
- 👤 John Joseph Cooper
- 👤 John Stephen Bratt
- 👤 Paul Harrison
- 👤 Philip Anthony Evans
Bibliographic Details
Application Number
—
Jurisdiction
GB
Data Source
google_patents
Last Synchronized
2026-10-23 04:09
CPC Classifications
A; A61; A61B; A61B17/00; A61B17/56; A61B17/58; A61B17/68; A61B17/686; A61B17/84; A61B17/86; A61B17/8695; A61B2017/00004
Claims Analysis
Total Claims: 28
Claim 1
Independent Claim
55 words
A fracture fixation device comprising a support component and attachment means to hold the support component at a required location to restrict movement of a bone, the attachment means being locatable within a pre-drilled hole in the bone and having means for clamping the support component to the bone without further damage to the bone.
Claim 2
Dependent Claim
55 words
A fracture fixation device comprising a support component and attachment means to hold the support component at a required location to restrict movement of a bone, the attachment means being locatable within a pre-drilled hole in the bone and having means for clamping the support component to the bone without further damage to the bone.
Claim 3
Dependent Claim
16 words
A device according to Claim 1, wherein the attachment means comprises a pin and plug arrangement.
Claim 4
Dependent Claim
24 words
A device according to Claim 2, wherein the plug has resiliently deformable jaws displacable by the pin to clamp the plug within the hole.
Claim 5
Dependent Claim
19 words
A device according to Claim 2 or Claim 3, wherein the pin component is integral with the support component.
Claim 6
Dependent Claim
19 words
A device according to Claim 2 or Claim 3, wherein the plug component is integral with the support component.
Claim 7
Independent Claim
24 words
A device according to any of Claims 2 to 5, wherein the plug is adapted to prevent extraction thereof following clamping within the hole.
Claim 8
Independent Claim
22 words
A device according to any of Claims 2 to 6, wherein the plug is formed with serrations on an external surface thereof.
Claim 9
Dependent Claim
21 words
A device according to Claim 1, wherein the attachment means comprises a plug member having barbs on an external surface thereof.
Claim 10
Dependent Claim
41 words
A device according to Claim 1, wherein the attachment means comprises a plug locatable within the hole and having resiliently deformable jaws, and a bush insertable within the plug whereby to displace the jaws and clamp the plug within the hole.
Claim 11
Independent Claim
14 words
A device according to any of the preceding Claims formed from biologically degradable material.
Claim 12
Dependent Claim
15 words
A device according to Claim 10, wherein the material comprises a resorbable polymer or co-polymer.
Claim 13
Independent Claim
31 words
A device according to any of Claims 1 to 9 formed from a composite material formed from a biologically degradable polymer or co-polymer together with a particulate or a fibrous solid.
Claim 14
Independent Claim
44 words
A device according to any of Claims 1 to 9, wherein the attachment means comprises a composite material formed from a biologically degradable polymer or co-polymer together with a particulate or a fibrous solid and the support component comprises a resorbable polymer or co-polymer.
Claim 15
Independent Claim
34 words
A device according to any of Claims 11 to 13, wherein the polymer comprises at least one polymer or co-polymer of B-hydroxybutyrate (hydroxybutanoate), hydroxyvalerate (hydroxypentanoate), lactic acid (2-hydroxypropanoic acid) or glycolic acid (2-hydroxyethanoic acid).
Claim 16
Dependent Claim
14 words
A device according to Claim 12 or 13, wherein the solid is biologically degradable.
Claim 17
Independent Claim
16 words
A device according to any of Claims 12, 13 or 15, wherein the solid is porous.
Claim 18
Dependent Claim
26 words
A device according to Claim 12 or Claim 13, wherein the particulate solid comprises hydroxyapatite, tri-calcium phosphate, calcium carbonate, calcium sulphate, magnesium oxide or bioactive glass.
Claim 19
Dependent Claim
49 words
A fracture fixation device comprising a support component and attachment means to hold the support component at a required location to restrict movement of a bone, the device being formed from a biologically degradable material whereby the device does not require to be removed from the body after use.
Claim 20
Dependent Claim
49 words
A fracture fixation device comprising a support component and attachment means to hold the support component at a required location to restrict movement of a bone, the device being formed from a biologically degradable material whereby the device does not require to be removed from the body after use.
Claim 21
Dependent Claim
14 words
A device according to Claim 18, formed from a biologically degradable polymer or co-polymer.
Claim 22
Dependent Claim
28 words
20 A device according to Claim 18 formed from a composite material formed from a biologically degradable polymer or co-polymer together with a particulate or a fibrous solid.
Claim 23
Independent Claim
22 words
A device according to any of the preceding Claims, wherein the support component is at least partially coated with a particulate material.
Claim 24
Independent Claim
22 words
A device according to any of Claims 2 to 17, wherein the plug is at least partially coated with a particulate material.
Claim 25
Dependent Claim
13 words
A device according to Claim 21 or 22, wherein the coating comprises hydroxyapatite.
Claim 26
Dependent Claim
14 words
A fracture fixation device substantially as hereinbefore described with reference to the accompanying drawings.
Claim 27
Dependent Claim
14 words
A fracture fixation device substantially as hereinbefore described with reference to the accompanying drawings.
Claim 28
Dependent Claim
30 words
Any novel subject matter or combination including novel subject matter disclosed, whether or not within the scope of or relating to the same invention as any of the preceding Claims.
References Cited (Backward Citations)
GB612124A
Cited
US4484570A
Cited
GB2084468A
Cited
US4711234A
Cited
US4796612A
Cited
EP0270704A1
Cited
EP0528573A1
Cited
USPTO Annuity & Maintenance Windows
Maintenance schedule is calculated for granted US utility patents.