Source: https://patents.google.com/patent/WO2004049978A1/en
Timestamp: 2019-05-25 20:00:07
Document Index: 789839018

Matched Legal Cases: ['Application No. 60', 'Application No.\n60', 'Application No. 60', 'Application No. 60', 'Application No. 60', 'Application No. 60', 'Application No. 10', 'Application No. 10', 'Application No. 10']

WO2004049978A1 - Method and device for treating aortic dissection - Google Patents
Method and device for treating aortic dissection Download PDF
WO2004049978A1
WO2004049978A1 PCT/US2003/038388 US0338388W WO2004049978A1 WO 2004049978 A1 WO2004049978 A1 WO 2004049978A1 US 0338388 W US0338388 W US 0338388W WO 2004049978 A1 WO2004049978 A1 WO 2004049978A1
PCT/US2003/038388
2002-12-04 Priority to US43082502P priority Critical
2002-12-04 Priority to US60/430,825 priority
2003-12-03 Application filed by Cook Incorporated, William A. Cook Australia Pty. Ltd. filed Critical Cook Incorporated
2003-12-03 Priority claimed from US10/536,626 external-priority patent/US20060259122A1/en
2004-06-17 Publication of WO2004049978A1 publication Critical patent/WO2004049978A1/en
A prosthesis adapted for inter-luminal placement by endovascular deployment for the treatment of vascular dissection, the prosthesis has a self expanding stents (38) connected together to define an elongate lumen wall engaging surface. At least one of the stents has a bio-compatible graft material cover (36) to define a covered portion (25). The cover is adapted to close off a rupture (7) in the wall of the lumen (6) and the stents are adapted to provided pressure on the wall of the lumen adjacent to and extending away from the rupture.
This invention relates to a method a nd a device for the treatment of aortic arch disease and more particularly to the treatment of a form of aortic aneurysm known as an aortic dissection. Background of the Invention
It is the object of this invention to provide a device and a method of treatment of such an aortic dissection.
In one form therefore the invention is said to reside in a prosthesis adapted for inter-luminal placement by endovascular deployment, the prosthesis comprising a plurality of self expanding stents together defining an elongate substantially cylindrical lumen wall engaging surface and at least one of the stents having a bio-compatible graft material cover whereby the cover is adapted to close off a rupture in the wall of the lumen and the stents are adapted to provide pressure on the wall of the lumen adjacent to and extending away from the rupture.
Preferably the cover portion encompasses two or three stents and the cover is stitched or otherwise fastened to the stents in the covered portion. Preferably the covered portion of the prosthesis is at the proximal end of the plurality of stents.
The uncovered other stents preferably extend away from the covered portion and may be linked by suitable flexible links. Alternatively the uncovered stents may be linked by a thread or fibre such as a suture threaded through the bends of the zig-zag stents. The thread or fibre such as a suture may be connected to each bend by a knot such as for example, a half hitch, a thumb knot, two half hitches, a clove hitch or a similar knot.
The proximal end of the covered portion of the prosthesis may include barbs extending from the stents through the cover to engage with the wall of the lumen when deployed.
In one preferred embodiment of the invention there may be three covered stents each of the zig-zag type and constructed from stainless steel or nitinol and up to eight or ten uncovered stents formed from stainless steel or nitinol. The uncovered stents may be of the Gianturco type zigzag stent and constructed so that in their expanded state they provide a low but useful radial force on the aorta wall.
Alternatively the uncovered portion may be in the form of a self expanding spiral of zig-zag configuration. In a further form the invention may be said to reside in a prosthesis for treatment of an aortic dissection comprising a substantially cylindrical body in the expanded state having at least one self expanding stent covered by a bio- compatible graft material and a self expanding stent assembly extending from a distal end thereof. There may be included barbs extending from the proximal end of the graft. In one embodiment the self expanding stent assembly extending from a distal end of the biocompatible graft material may be formed from a biocompatible and biodegradable mesh material so that after it has performed its work of providing a radial pressure onto the wall of the aorta it can biodegrade in the bloodstream.
The stents in these embodiments of the invention may be made MRI (Magnetic Resonance Imaging) compatible.
In one form the stent may be in the form of a Gianturco style zig zag Z stent. Alternatively the stent may be a Nitinol™ self expanding stent of the type known as a Zilver™ stent sold by Cook Incorporated.
The bio-compatible graft material may be either on the inside or the outside of the covered portion of the prosthesis.
In a further form the invention may be said to reside in a deployment device and prosthesis for treatment of an aortic dissection, the prosthesis comprising a substantially cylindrical body in the expanded state having at least one self expanding stent covered by a bio-compatible graft material and a self expanding stent assembly extending from a distal end thereof, and the deployment device comprising an elongate catheter adapted to be deployed over a guide wire, a nose cone at the proximal end of the elongate catheter, a trigger wire arrangement adapted to retain a proximal end of the prosthesis in a retracted state, a sheath arrangement over the elongate catheter adapted to retain the prosthesis in a contracted state around the elongate catheter, means at the distal end of the elongate catheter to release the trigger wire arrangement and means to withdraw the sheath arrangement. Preferably the elongate catheter includes means to supply an angiographic contrast medium at a distal end thereof through the catheter and the nose cone includes discharge ports for the angiographic contrast medium.
In an alternative form the invention is said to reside in a method of treatment of aortic dissection disease comprising the steps of loading a prosthesis onto a deployment device, the prosthesis comprising a plurality of self expanding stents together defining an elongate substantially cylindrical lumen wall engaging surface and at least one of the stents having a bio-compatible graft material cover whereby the cover is adapted to close off a rupture in the wall of the lumen, the deployment device including means to retain the proximal end of the prosthesis in a retracted state and a trigger wire arrangement to release the proximal end of the prosthesis, a sheath to retain the entire prosthesis in a retracted state and means to withdraw the sheath, endovascularly deploying the deployment device with the prosthesis loaded thereon to the site of the aortic dissection, checking by radiographic techniques that the covered stent or stents are at the site of the aortic dissection, withdrawing the sheath to expose the covered stent or stents of the prosthesis, releasing the proximal end of the prosthesis by means of releasing the trigger wire arrangement, withdrawing the sheath to deploy the other stents of the prosthesis along the wall of the lumen such that they provide pressure against the wall of the lumen, and withdrawing the deployment device. Preferably the covered stent or stents are at the proximal end of the prosthesis.
The bio-compatible material may be dacron, expanded polytetrafluoroethylene or other synthetic bio-compatible material.
While Dacron, expanded polytetrafluoroethylene (ePTFE), or other synthetic biocompatible materials can be used to fabricate the coverings for the stent graft and the tubular extension, a naturally occurring biomaterial, such as collagen, is highly desirable, particularly a specially derived collagen material known as an extracellular matrix (ECM), such as small intestinal submucosa (SIS). Besides SIS, examples of ECM's include pericardium, stomach submucosa, liver basement membrane, urinary bladder submucosa, tissue mucosa, and dura mater.
SIS is particularly useful, and can be made in the fashion described in
Badylaketal., US Patent 4,902,508; Intestinal Collagen Layer described in US Patent
5,733,337 to Carr and in 17 Nature Biotechnology 1083 (Nov. 1999); Cook et al.,
WIPO Publication WO 98/22158, dated 28 May 1998, which is the published application of PCT/US97/14855. Irrespective of the origin of the material (synthetic versus naturally occurring), the material can be made thicker by making multilaminate constructs, for example SIS constructs as described in US Patents 5,968,096; 5,955,110; 5,885,619; and 5,711,969. Animal data show that the SIS used in grafts can be replaced by native tissue in as little as a month's time. In addition to xenogenic biomaterials, such as SIS, autologous tissue can be harvested as well. Additionally Elastin or Elastin-Like Polypetides (ELPs) and the like offer potential as a material to fabricate the graft to form a device with exceptional biocompatibility. Another alternative would be to use allographs such as harvested native tissue. Such tissue is commercially available in a cryopreserved state.
US Patent No.5,387,235 entitled "Endovascular Transluminal Prosthesis For Repair Of Aneurysms" discloses apparatus and methods of retaining grafts onto deployment devices. These features and other features disclosed in US Patent
No. 5,387,235 could be used with the present invention and the disclosure of US
Patent No. 5,387,235 is herewith incorporated in its entirety into this specification.
US Patent No. 5,720,776 entitled "Stent Barb" discloses improved barbs with various forms of mechanical attachment to a stent. These features and other features disclosed in US Patent No. 5,720,776 could be used with the present invention and the disclosure of US Patent No. 5,720,776 is herewith incorporated in its entirety into this specification.
US Provisional Patent Application No. 60/392,667, now Serial Nos. 10/609,846 filed June 30, 2003, and PCT Patent Application No. PCT/US03/204963 filed June 30, 2003, entitled "Thoracic Deployment Device" discloses introducer devices adapted for deployment of stent grafts particularly in the thoracic arch. This feature and other features disclosed in US Provisional Patent Application No.
60/392,667 could be used with the present invention and the disclosure of US Provisional Patent Application No. 60/392,667 is herewith incorporated in its entirety into this specification.
US Provisional Patent Application No. 60/391,737, now Serial Nos. 10/602,930, filed June 24, 2003, and PCT Patent Application No. PCT/US03/19997, filed June 24, 2003, entitled "Stent-Graft Fastening Arrangement" discloses arrangements for fastening stents onto grafts particularly for exposed stents. This feature and other features disclosed in US Provisional Patent Application No. 60/391,737 could be used with the present invention and the disclosure of US Provisional Patent Application No. 60/391,737 is herewith incorporated in its entirety into this specification.
US Utility Patent Application No. 10/647,642 entitled "Asymmetric Stent Graft Attachment" discloses retention arrangements for retaining onto and releasing prostheses from introducer devices. This feature and other features disclosed in US Utility Patent Application No. 10/647,642 could be used with the present invention and the disclosure of US Utility Patent Application No. 10/647,642 is herewith incorporated in its entirety into this specification.
PCT Patent Publication No. WO03/053287 entitled "Improving Graft Adhesion" discloses arrangements on stent grafts for enhancing the adhesion of such stent grafts into walls of vessels in which they are deployed. This feature and other features disclosed in PCT Patent Publication No. WO03/053287 could be used with the present invention and the disclosure of PCT Patent Publication No. WO03/053287 is herewith incorporated in its entirety into this specification. Brief Description of the Drawing
This then generally describes the invention but to assist with understanding reference will now be made to the drawings which show a preferred embodiment of the invention. In the drawings:
Figure 2 shows the aorta shown in Figure 1 with a deployment device inserted therein;
Figure 3 shows the first stage of deployment of the prosthesis; Figure 4 shows the fully deployed prosthesis;
Figure 5 shows a prosthesis according to one embodiment of this invention;
Figure 6 shows an alternative embodiment of the prosthesis according to the invention; and
Figure 7 shows a still further embodiment of the prosthesis according to the invention. Detailed Description
Looking more closely to the drawings and in particular Figure 1 it will be seen that the aorta comprises an ascending aorta 1 which receives blood from the heart though an aortic valve 2. At the upper end of the ascending aorta there are branches for the innominate artery 3 the left common carotid artery 4 and the subclavian artery 5. The aorta after these is referred to as the descending aorta 6 and it is in this region that an aortic dissection can occur. In an aortic dissection the wall of the descending aorta can be injured such as by a traumatic injury so that a partial rupture or tear 7 occurs and the wall of the descending aorta splits so that there is an outer wall 8 and an inner wall 9 between which a false lumen 10 occurs.
Treatment of the aortic dissection requires that the rupture 7 be closed off and the false lumen deflated.
As can be seen in Figure 2 a deployment device 15 with a nose cone 16 has been advanced over a guide wire 17 through the true lumen 18 of the descending aorta 6. Preferably the deployment device is inserted through a femoral artery and up through the iliac arteries into the aorta.
Once the deployment device is in substantially the correct place angiographic fluids may be supplied through a hollow elongate catheter 20 in the deployment device to exit through apertures 22 in the nose cone so that with the angiographic contrast medium the region can be visualised by radiographic techniques. When the deployment device is found to be in the correct position the sheath 24 of the deployment device is withdrawn to the position as shown in Figure 3 at which stage the covered portion 25 of the prosthesis is exposed except that the proximal end 27 is retained by a trigger wire mechanism to the central catheter 20. The sheath is withdrawn until the first of the uncovered stents 29 of the prosthesis are exposed. At this stage the pressure of blood flow from the heart will still tend to cause blood flow around the prosthesis.
Next the trigger wire mechanism is released so that the proximal end 27 of the prosthesis 25 is allowed to open as shown in Figure 4 and the barbs 30 on the proximal end of 27 of the prosthesis engage against the wall of the aorta to securely fix the covered portion 25 of the prosthesis in the upper end of the descending aorta with the covered portion 25 of the prosthesis covering the rupture 7 and essentially closing it off so that blood can no longer flow into the false lumen 10. Blood can then flow through the covered portion of the prosthesis and exit out the end of the covered portion at the first stent 29 and then as the sheath 23 is continued to be withdrawn the remaining self expanding stents are allowed to engage against the wall of the true lumen 18 and provide pressure onto the wall particularly where the false lumen occurs to gradually deflate and close off the false lumen as finally shown in Figure 4. At this stage the sheath 23 is advanced to the nose cone 16 and the deployment device is withdrawn.
Figure 5 shows a prosthesis for use with the method of the present invention. The prosthesis has three stents 35 under a biocompatible graft material cover 36 which provides the covered portion 25 of the prosthesis and a number of uncovered stents 38 each of which are linked to the next stent up or down by flexible links 37. The covered portion is joined to the uncovered portion by links.
The flexible links enable each stent to expand separately as the false lumen is deflated which may occur over a period of several days or weeks. The stents provide gradual pressure on the wall of the lumen to close the false lumen and open up the true lumen. It will be realised that different numbers of covered stents and uncovered stents may be used depending upon the nature of the aortic dissection and the length of aorta to be opened and the dimensions of the rupture in the wall of the aorta.
Barbs 30 are provided at the proximal end 39 of the prosthesis.
The stents 35 may be Gianturco zigzag Z stents or any other form of self expanding stent. Alternatively the stents 35 may be balloon expanded stents.
The prosthesis may have a total length of from 100 to 300 mm and a diameter when expanded of 22 to 45 mm. The covered portion may have a length of from 50 to 150 mm and a diameter when expanded of 22 to 45 mm.
As discussed earlier the stents 38 and the links 37 may be in the form of a mesh and formed from a biocompatible and biodegradable mesh material so that after it has performed its work of providing a radial pressure onto the wall of the aorta it can biodegrade in the bloodstream.
Figure 6 shows a further embodiment of a prosthesis according to the present invention. In this embodiment the covered portion is the same as in the previous embodiment shown in Figure 5 but the uncovered self expanding stents 40 are linked by means of a fibre or thread 42 such as a suture so that each self expanding stent can act independently of its neighbours. Where each fibre or suture 42 passes a bend 41 of a stent there may be a knot 43 such as a clove hitch to assist with the controlled linking of adjacent stents. Threads or sutures 44 join the proximal uncovered stents 40 to the covered portion 25 of the prosthesis.
Figure 7 shows a still further embodiment of the prosthesis of the invention.
In this embodiment the covered portion is the same as in the previous embodiment shown in Figure 5 but the uncovered portion is formed from a continuous spiral of zig-zag stent 45 with again loops in adjacent spirals joined by a thread 47 such as a suture. Again suitable knots may be used to assist with the controlled linking of adjacent portions of the spiral stent. Threads or sutures 49 join the uncovered spiral stent 45 with the covered portion 25 of the prosthesis. Throughout this specification various indications have been given as to the scope of the invention but the invention is not limited to any one of these but may reside in two or more of these combined together. The examples are given for illustration only and not for limitation.
1. A prosthesis adapted for inter-luminal placement by endovascular deployment, the prosthesis comprising a plurality of self expanding stentstogether defining an elongate substantially cylindrical lumen wall engaging surface and at least one of the stents having a bio-compatible graft material cover defining a covered portion, whereby the cover is adapted to close off a rupture in the wall of the lumen and the stents are adapted to provided pressure on the wall of the lumen adjacent to and extending away from the rupture.
2. A prosthesis as in Claim 1 wherein the cover encompasses at least two of the plurality of stents and the cover is stitched or otherwise fastened to the stents in the covered portion.
3. A prosthesis as in Claim 1 wherein the covered portion of the prosthesis is at the proximal end of the plurality of stents.
4. A prosthesis as in Claim 1 wherein uncovered stents extend away from the covered portion and are linked by flexible links.
5. A prosthesis as in Claim 1 wherein uncovered stents extend away from the covered portion and are linked by a thread or fibre such as a suture threaded through the bends of the zig-zag stents.
6. A prosthesis as in Claim 1 wherein the thread or fibre such as a suture is connected to each bend by a knot such as at least one of a half hitch, a thumb knot, two half hitches or a clove hitch.
7. A prosthesis as in Claim 1 wherein a proximal end of the covered portion of the prosthesis includes barbs extending from a stent of the pluralities through the cover to engage with the wall of the lumen when deployed.
8. A prosthesis as in Claim 1 wherein there are at least three covered stents of the plurality each of the zig-zag type and constructed from stainless steel or Nitinol and up to eight or ten uncovered stents of the plurality formed from stainless steel or Nitinol.
9. A prosthesis as in Claim 1 wherein the uncovered portion is in the form of a self expanding spiral stent of zig-zag configuration.
10. A prosthesis for treatment of an aortic dissection comprising a substantially cylindrical body in an expanded state having at least one self expanding stent covered by a bio-compatible graft material and a self expanding stent assembly extending from a distal end thereof.
11. A prosthesis as in Claim 10 further including included barbs extending from a proximal end of the graft material.
12. A prosthesis as in Claim 10 wherein the self expanding stent assembly extending from a distal end of the biocompatible graft material is formed from a biocompatible and biodegradable mesh material.
13. A deployment device and prosthesis for treatment of an aortic dissection, the prosthesis comprising a substantially cylindrical body in an expanded state having at least one self expanding stent covered by a bio-compatible graft material and a self expanding stent assembly extending from a distal end thereof, and the deployment device comprising an elongate catheter adapted to be deployed over a guide wire, a nose cone at the proximal end of the elongate catheter, a trigger wire arrangement adapted to retain a proximal end of the prosthesis in a retracted state, a sheath arrangement over the elongate catheter adapted to retain the prosthesis in a contracted state around the elongate catheter, means at the distal end of the elongate catheter to release the trigger wire arrangement and means to withdraw the sheath arrangement.
14. A deployment device and prosthesis for treatment of an aortic dissection as in Claim 12 wherein the elongate catheter includes means to supply an angiographic contrast medium at a distal end thereof through the catheter and the nose cone includes discharge ports for the angiographic contrast medium.
15. A method of treatment of aortic dissection disease comprising the steps of a) loading a prosthesis onto a deployment device, the prosthesis comprising a plurality of self expanding stents together defining an elongate substantially cylindrical lumen wall engaging surface and at least one of the stents having a bio-compatible graft material cover, whereby the cover is adapted to close off a rupture in the wall of the lumen, the deployment device including means to retain a proximal end of the prosthesis in a retracted state and a trigger wire arrangement to release the proximal end of the prosthesis, a sheath to retain the entire the prosthesis in a retracted state and means to withdraw the sheath, b) endovascularly deploying the deployment device with the prosthesis loaded thereon to the site of the aortic dissection, c) checking by radiographic techniques that the covered stent or stents are at the site of the aortic dissection, d) withdrawing the sheath to expose the covered stent or stents of the prosthesis, e) releasing the proximal end of the prosthesis by means of releasing the trigger wire arrangement, f) withdrawing the sheath to deploy the other stents of the prosthesis along the wall of the lumen such that they provide pressure against the wall of the lumen, and g) withdrawing the deployment device.
16. A method of treatment of aortic dissection disease as in Claim 15 wherein the covered stent or stents are at the proximal end of the prosthesis.
PCT/US2003/038388 2002-12-04 2003-12-03 Method and device for treating aortic dissection WO2004049978A1 (en)
US43082502P true 2002-12-04 2002-12-04
US60/430,825 2002-12-04
CA2506423A CA2506423C (en) 2002-12-04 2003-12-03 Method and device for treating aortic dissection
DE60326000A DE60326000D1 (en) 2002-12-04 2003-12-03 Method and apparatus for treatment of aortic section
DK03790268T DK1567093T3 (en) 2002-12-04 2003-12-03 A method and device for treating aortic dissection
AU2003293269A AU2003293269B2 (en) 2002-12-04 2003-12-03 Method and device for treating aortic dissection
US10/536,626 US20060259122A1 (en) 2002-12-02 2003-12-03 Charged cyclodextrin derivatives and their use in plant cell and tissue culture growth media
EP03790268A EP1567093B1 (en) 2002-12-04 2003-12-03 Method and device for treating aortic dissection
WO2004049978A1 true WO2004049978A1 (en) 2004-06-17
ID=32469537
PCT/US2003/038388 WO2004049978A1 (en) 2002-12-04 2003-12-03 Method and device for treating aortic dissection
US (1) US9408731B2 (en)
EP (1) EP1567093B1 (en)
AT (1) AT421302T (en)
AU (1) AU2003293269B2 (en)
CA (1) CA2506423C (en)
DE (1) DE60326000D1 (en)
DK (1) DK1567093T3 (en)
WO (1) WO2004049978A1 (en)
WO2018183321A1 (en) * 2017-03-27 2018-10-04 Transverse Medical, Inc. Filter apparatuses and methods
2003-12-03 WO PCT/US2003/038388 patent/WO2004049978A1/en not_active Application Discontinuation
2003-12-03 DE DE60326000A patent/DE60326000D1/en active Active
2003-12-03 DK DK03790268T patent/DK1567093T3/en active
2003-12-03 AT AT03790268T patent/AT421302T/en not_active IP Right Cessation
2003-12-03 EP EP03790268A patent/EP1567093B1/en active Active
2003-12-03 US US10/726,963 patent/US9408731B2/en active Active
2003-12-03 CA CA2506423A patent/CA2506423C/en active Active
2003-12-03 AU AU2003293269A patent/AU2003293269B2/en active Active
AU2005289395B2 (en) * 2004-09-28 2010-08-26 Cook Incorporated Device for treating aortic dissection
US9358097B2 (en) 2006-03-29 2016-06-07 The Cleveland Clinic Foundation Iliac leg extension stent graft
JP2009531141A (en) * 2006-03-29 2009-09-03 クック・インコーポレイテッドＣｏｏｋ Ｉｎｃｏｒｐｏｒａｔｅｄ Iliac part extension stent graft
AU2003293269A1 (en) 2004-06-23
EP1567093A1 (en) 2005-08-31
DK1567093T3 (en) 2009-04-06
DE60326000D1 (en) 2009-03-12
EP1567093B1 (en) 2009-01-21
AT421302T (en) 2009-02-15
US20040176832A1 (en) 2004-09-09
US9408731B2 (en) 2016-08-09
CA2506423C (en) 2011-04-19
AU2003293269B2 (en) 2008-02-21
CA2506423A1 (en) 2004-06-17
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