EP0882431A1
Expired / Lapsed
EP
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Device for the elastic intramedullary synthesis of bone fractures
Assignee: Individual
•
Filing: 1998-06-04
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Granted: —
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Expires: 2018-06-04
Abstract
Abstract A device for the elastic intramedullary synthesis of bone fractures (11), said device comprising at least two wires, made of biocompatible metallic material, which can be inserted inside the bone in order to be fixed to the intramedullary cortex, said wires being inserted inside the medullary canal in their straight position. According to the invention, said wires (14, 15) are made of a metallic material which has a programmable shape memory and said materials, when heated by the body temperature, resume their initially given shape.
Inventors
- 👤 Claudio Di Bartolomei
- 👤 Romolo Igino Gazzani
Bibliographic Details
Application Number
—
Jurisdiction
EP
Data Source
google_patents
Last Synchronized
2026-10-23 14:55
CPC Classifications
A; A61; A61B; A61B17/00; A61B17/56; A61B17/58; A61B17/68; A61B17/72; A61B17/7233; A61B17/7258; A61B17/7266; A61B17/7208; A61B17/74; A61B17/742; A61B17/744; A61B2017/00831; A61B2017/00867
Claims Analysis
Total Claims: 8
Claim 1
Independent Claim
85 words
A device for the elastic intramedullary synthesis of
bone (11) fractures, comprising at least two wires, made
of biocompatible metallic material, which can be inserted
inside the bone in order to be fixed to the
intramedullary cortex, said wires, when inserted in the
medullary canal, being in their straight position,
characterised in that said wires (14, 15) are made of
metallic material provided with a programmable shape
memory and in that said wires, when heated by the body
temperature, return to their originally given shape.
Claim 2
Dependent Claim
53 words
A device as claimed in claim 1, characterised in that
said wires (14) are inserted inside a sleeve (12)
provided with an inner cavity (21, 27, 32, 31) which has
variable cross sections and in that said wires are guided
by elements (23, 25) which do not allow the rotation of
said wires.
Claim 3
Dependent Claim
47 words
A device as claimed in claim 2, characterised in that
said wires (14) go through the bores (26) of a washer
(25) which can be positioned on an insert (23) which
opposes the rotation movement, said insert is also
provided with through bores (24) for said wires.
Claim 4
Dependent Claim
38 words
A device as claimed in claim 2, characterised in that,
as a closing means for said inner cavity (21, 27, 32,
31), a cap (28) externally threaded is placed on an
internally threaded portion (27) of said cavity.
Claim 5
Dependent Claim
38 words
A device as claimed in claim 2, characterised in that
said sleeve (12) can be connected, at one of its ends
(19), to an adapter (13), which is internally hollow to
allow the passage of said wires (14).
Claim 6
Dependent Claim
45 words
A device as claimed in claim 5, characterised in that
said end (19) of said sleeve (12) is suitable to be
inserted inside a hollow end (18) of said adapter (13),
wherein locking elements (16) are provided between said
sleeve (12) and said adapter (13).
Claim 7
Dependent Claim
27 words
A device as claimed in claim 2, characterised in that
said sleeve (12) is provided with bores (22) which are
transversely positioned to receive additional wires (15).
Claim 8
Dependent Claim
26 words
A device as claimed in claim 7, characterized in that
said additional wires (15) can slide inside small
additional sleeves (39) placed inside said bores (22).
References Cited (Backward Citations)
EP0565140A2
Cited
JPH03295562A
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DE4210801A1
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FR2727304A1
Cited
FR2747911A1
Cited
DE19707420A1
Cited
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