US5728153A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stentless heart valve surgical support device
Assignee: London Health Sciences Centre
•
Filing: 1994-11-23
•
Granted: 1998-03-17
•
Expires: 2014-11-23
Abstract
Abstract PCT No. PCT/CA94/00647 Sec. 371 Date Aug. 22, 1996 Sec. 102(e) Date Aug. 22, 1996 PCT Filed Nov. 23, 1994 PCT Pub. No. WO95/14443 PCT Pub. Date Jun. 1, 1995A reusable surgical device for holding a stentless valve during implantation. The surgical device has a generally cylindrical body mountable on a disposable, elongated handle. The generally cylindrical body defines a reduced diameter at one end for receiving the stentless valve thereon and permitting maneuvering space during suturing. A plurality of radial marking lines spaced approximately 120 DEG apart indicated suture placement. Annular ridges form a groove permitting the stentless valve to be secured in place by a pressure-exerting fastener such as a tie wrap. The cylindrical body is inserted through the stentless valve with the marking lines oriented in predetermined relation to the valve leaflets until the stentless valve is properly positioned on the body, and the disposable handle is attached to the body.
Inventors
- 👤 Alan Menkis
- 👤 Michael Scott
- 👤 Ivan Vesely
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 02:22
CPC Classifications
A; A61; A61F; A61F2/00; A61F2/02; A61F2/24; A61F2/2427; A61B; A61B17/00; A61B17/12; A61B17/12022; A61B2017/1205
Claims Analysis
Total Claims: 24
Claim 1
Independent Claim
57 words
A surgical device for holding a stentless valve for use with a disposable handle, said surgical device comprising: a generally cylindrical body having a first end, a second end having a reduced diameter relative to said first end, a mounting member disposed adjacent the first end for detachably mounting the generally cylindrical body to the disposable handle.
Claim 2
Dependent Claim
57 words
A surgical device for holding a stentless valve for use with a disposable handle, said surgical device comprising: a generally cylindrical body having a first end, a second end having a reduced diameter relative to said first end, a mounting member disposed adjacent the first end for detachably mounting the generally cylindrical body to the disposable handle.
Claim 3
Dependent Claim
30 words
The surgical device of claim 1 wherein the generally cylindrical body has a central region and the surgical device further comprises: at least two annular ridges circumscribing the central region.
Claim 4
Dependent Claim
55 words
The surgical device of claim 2 wherein the annular ridges are spaced a predetermined distance apart to form a groove such that a secure connection of the valve to the surgical device is effected when pressure is exerted around the stentless valve so as to squeeze a portion of the stentless valve into the groove.
Claim 5
Dependent Claim
41 words
The surgical device of claim 1 wherein the valve is implanted using sutures, and wherein the second end of the generally cylindrical body includes marking lines disposed radially thereabout to indicate where the sutures should be applied to the stentless valve.
Claim 6
Dependent Claim
16 words
The surgical device of claim 4 wherein the marking lines are spaced approximately 120 degrees apart.
Claim 7
Dependent Claim
44 words
The surgical device of claim 1 wherein the reduced diameter of the second end of the cylindrical body is gradually reduced to a diameter which provides maneuvering space between the stentless valve and the second end of the cylindrical body for suturing during surgery.
Claim 8
Dependent Claim
38 words
The surgical device of claim 1 wherein the disposable handle is internally threaded and the mounting member is a rod extending from the generally cylindrical body having an outside surface threaded for mating connection to the disposable handle.
Claim 9
Dependent Claim
19 words
The surgical device of claim 1 fabricated from a material selected from the group consisting of acrylic and polycarbonate.
Claim 10
Dependent Claim
13 words
The surgical device of claim 1 wherein the generally cylindrical body is reusable.
Claim 11
Dependent Claim
55 words
A surgical device for holding a stentless valve during implantation, said surgical device comprising: a generally cylindrical body having a first end, a second end, and a mounting member disposed adjacent said first end, said second end having a reduced diameter relative to said first end; and a disposable handle mountable on said mounting member.
Claim 12
Dependent Claim
55 words
A surgical device for holding a stentless valve during implantation, said surgical device comprising: a generally cylindrical body having a first end, a second end, and a mounting member disposed adjacent said first end, said second end having a reduced diameter relative to said first end; and a disposable handle mountable on said mounting member.
Claim 13
Dependent Claim
30 words
The surgical device of claim 10 wherein the generally cylindrical body has a central region and the surgical device further comprises: at least two annular ridges circumscribing the central region.
Claim 14
Dependent Claim
55 words
The surgical device of claim 11 wherein the annular ridges are spaced a predetermined distance apart to form a groove such that a secure connection of the valve to the surgical device is effected when pressure is exerted around the stentless valve so as to squeeze a portion of the stentless valve into the groove.
Claim 15
Dependent Claim
41 words
The surgical device of claim 10 wherein the valve is implanted using sutures, and wherein the second end of the generally cylindrical body includes marking lines disposed radially thereabout to indicate where the sutures should be applied to the stentless valve.
Claim 16
Dependent Claim
16 words
The surgical device of claim 13 wherein the marking lines are spaced approximately 120 degrees apart.
Claim 17
Dependent Claim
37 words
The surgical device of claim 10 wherein the reduced diameter of the second end of the cylindrical body provides maneuvering space between the stentless valve and the second end of the cylindrical body for suturing during surgery.
Claim 18
Dependent Claim
31 words
The surgical device of claim 10 wherein the disposable handle is internally threaded, and the mounting member has an outside, said outside being threaded for mating connection to the disposable handle.
Claim 19
Dependent Claim
19 words
The surgical device of claim 10 fabricated from a material selected from the group consisting of: acrylic and polycarbonate.
Claim 20
Dependent Claim
13 words
The surgical device of claim 10 wherein the generally cylindrical body is reusable.
Claim 21
Independent Claim
111 words
A method for mounting a stentless valve for implantation, said method comprising the steps of: providing a handle and a surgical device for holding the stentless valve, said surgical device including a generally cylindrical body having a first end, a second end, and a mounting member disposed adjacent said first end, said second end having a reduced diameter relative to said first end; disposing the stentless valve on said surgical device by passing said first end of said surgical device through the stentless valve such that at least a portion of said surgical device remains within the stentless valve; and mounting the handle on the first end of the surgical device.
Claim 22
Independent Claim
111 words
A method for mounting a stentless valve for implantation, said method comprising the steps of: providing a handle and a surgical device for holding the stentless valve, said surgical device including a generally cylindrical body having a first end, a second end, and a mounting member disposed adjacent said first end, said second end having a reduced diameter relative to said first end; disposing the stentless valve on said surgical device by passing said first end of said surgical device through the stentless valve such that at least a portion of said surgical device remains within the stentless valve; and mounting the handle on the first end of the surgical device.
Claim 23
Dependent Claim
39 words
The method of claim 19 further comprising the steps of: removing the surgical device from the stentless valve subsequent to implantation; dismounting the handle from the surgical device; and reusing the surgical device to implant a like stentless valve.
Claim 24
Dependent Claim
79 words
The method of claim 19 wherein the step of providing the surgical device includes providing the surgical device with a pair of annular ridges circumscribing a central region of the generally cylindrical body and defining a groove therebetween, the method further comprising the step of: exerting pressure around the stentless valve so as to squeeze a portion of the stentless valve into the groove between the annular ridges so as to secure the stentless valve to the surgical device.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 2001-03-16 | 2001-09-15 | 2002-03-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2005-03-16 | 2005-09-15 | 2006-03-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2009-03-16 | 2009-09-15 | 2010-03-17 | $7700.00 | Window Closed / Lapsed |