EP0338994A1
Expired / Lapsed
EP
⏱️ 0.0 years remaining
Prosthetic device for the surgical correction of tricuspid insufficiency
Assignee: Individual
•
Filing: 1989-01-10
•
Granted: —
•
Expires: 2009-01-10
Abstract
Abstract The device (1) comprises a shaped and flexible segment constituted by a supporting core and a fabric covering applied to the supporting core, and can be sutured to the ring of the tricuspid valve at least in the section between the antero-septal and the postero-septal commissures. The segment (1) extends along an elliptical line having dimensions (X,Y) and an orientation (α) which are determined relative to the chord (C) defined by the two ends of the segment (4, 5) which are intended to be sutured to the commissures. On its inner side, the device has a lip formation (6) through which suture stitches can be passed to prevent the stitches from sliding along the device. To advantage, the latter may be incorporated in a surgical kit including lengths of suture thread with respective surgical needles already attached so that it can be fitted more quickly.
Inventors
- 👤 Mario Morea
- 👤 Ruggero De Paulis
Bibliographic Details
Application Number
—
Jurisdiction
EP
Data Source
google_patents
Last Synchronized
2026-10-23 12:40
CPC Classifications
A; A61; A61F; A61F2/00; A61F2/02; A61F2/24; A61F2/2442; A61F2/2445; A61B; A61B17/00; A61B2017/00743; A61B2017/00778; A61B2017/00783
Claims Analysis
Total Claims: 18
Claim 1
Independent Claim
83 words
A prosthetic device for the surgical correction of tricuspid insufficiency, characterised in that it comprises a shaped segment which can be sutured to the ring of the tricuspid valve in the section between the antero-septal commissure (C AS ) and the postero-septal commissure (C PS ) and opposite the septal flap (T S ), the segment being shaped to follow a substantially elliptical line (E) with two ends (4, 5) which can be sutured to the commissures (C AS , C PS ).
Claim 2
Dependent Claim
83 words
A prosthetic device for the surgical correction of tricuspid insufficiency, characterised in that it comprises a shaped segment which can be sutured to the ring of the tricuspid valve in the section between the antero-septal commissure (C AS ) and the postero-septal commissure (C PS ) and opposite the septal flap (T S ), the segment being shaped to follow a substantially elliptical line (E) with two ends (4, 5) which can be sutured to the commissures (C AS , C PS ).
Claim 3
Dependent Claim
46 words
A device according to Claim 1, characterised in that the two ends (4,5) define a chord (C) of the elliptical line (E), the ratio between the length of the chord (C) and the major axis (X) of the elliptical line being between about 0.6 and 0.8.
Claim 4
Dependent Claim
34 words
A device according to Claim 2, characterised in that the ratio between the length of the chord (C) and the length of the major axis (X) of the elliptical line (E) is substantially 0.7.
Claim 5
Independent Claim
51 words
A device according to any one of Claims 1 to 3, characterised in that the two ends (4, 5) define a chord (C) of the elliptical line (C) which is at an angle (α) of between about 17 degrees and about 23 degrees to the major axis of elliptical line (E).
Claim 6
Dependent Claim
31 words
A device according to Claim 4, characterised in that the chord (5) is at an angle (α) of substantially 20 degrees to the major axis (X) of the elliptical line (E).
Claim 7
Independent Claim
43 words
A device according to any one of Claims 1 to 5, characterised in that the ratio between the length of the major axis (X) of the elliptical line (E) and the length of its minor axis (Y) is between about 1.5 and 2.3.
Claim 8
Dependent Claim
34 words
A device according to Claim 6, characterised in that the ratio between the length of the major axis (X) of the elliptical line and the length of its minor axis (Y) is substantially 1.9.
Claim 9
Dependent Claim
60 words
A prosthetic device for the surgical correction of tricuspid insufficiency, comprising a shaped segment which can be sutured to the ring of the tricuspid valve, characterised in that it has a lip formation (6) on its inner side through which suture stitches (S) can easily pass, the lip formation (6) being substantially fixed against sliding longitudinally of the device (1).
Claim 10
Dependent Claim
60 words
A prosthetic device for the surgical correction of tricuspid insufficiency, comprising a shaped segment which can be sutured to the ring of the tricuspid valve, characterised in that it has a lip formation (6) on its inner side through which suture stitches (S) can easily pass, the lip formation (6) being substantially fixed against sliding longitudinally of the device (1).
Claim 11
Dependent Claim
29 words
A device according to Claim 8, characterised in that it includes a shaped and flexible supporting core (2) and a fabric covering (3) applied to the supporting core (2).
Claim 12
Dependent Claim
23 words
A device according to Claim 9, characterised in that the lip formation (6) is constituted by a fold of the fabric covering (3).
Claim 13
Independent Claim
26 words
A device according to any one of Claims 9 and 10, characterised in that the core (2) and the covering (3) are made from biocompatible polymers.
Claim 14
Dependent Claim
25 words
A device according to Claim 11, characterised in that a layer of biocompatible carbon material deposited by sputtering is provided, at least on the covering
Claim 15
Dependent Claim
79 words
A prosthetic device for the surgical correction of tricuspid insufficiency, comprising a shaped segment which can be sutured to the ring of the tricuspid valve and has at least two opposite ends (4, 5), characterised in that it includes, associated with the device in a surgical kit, respective lengths of suture thread (F₁, F₂) fixed to the device (1) adjacent the two ends (4, 5), each length of thread (F₁, F₂) carrying at least one associated surgical needle (N).
Claim 16
Dependent Claim
79 words
A prosthetic device for the surgical correction of tricuspid insufficiency, comprising a shaped segment which can be sutured to the ring of the tricuspid valve and has at least two opposite ends (4, 5), characterised in that it includes, associated with the device in a surgical kit, respective lengths of suture thread (F₁, F₂) fixed to the device (1) adjacent the two ends (4, 5), each length of thread (F₁, F₂) carrying at least one associated surgical needle (N).
Claim 17
Dependent Claim
54 words
A device according to Claim 13, characterised in that a length of suture thread (F₁, F₂) is associated with each of the ends (4, 5) and extends along a generally U-shaped line with a loop part which passes through the device (1) and two branches, each of which carries an associated surgical needle (N).
Claim 18
Dependent Claim
43 words
A device according to Claim 9 and Claim 14, characterised in that the core (2) is provided with respective apertures (8) at each of the ends (4, 5), through which the loop part of a respective length of suture thread (F₁, F₂) passes.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
Maintenance schedule is calculated for granted US utility patents.