Title:
VESSEL APERTURE CLOSURE PROSTHESIS
Document Type and Number:
WIPO Patent Application WO/2001/001884
Kind Code:
A2
Abstract:
A prosthesis for the closure of the lumen (22) in a vessel (26) for the conveyance of organic fluid which is unusually rapid and precise to apply, comprises: at least one tissue-structure (76) having dimensions adapted to cover the vessel lumen for its complete closure, said tissue-structure being associated to gripping means (28) for the connection of said tissue-structure to edges (34) of said lumen.
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Inventors:
ADAMI CARLO A (IT)
CALVI ROBERTO (IT)
TUSCANO GIUSEPPE (IT)
CALVI ROBERTO (IT)
TUSCANO GIUSEPPE (IT)
Application Number:
PCT/EP2000/005927
Publication Date:
January 11, 2001
Filing Date:
June 26, 2000
Export Citation:
Assignee:
CONTINI EMILIO (IT)
ADAMI CARLO A (IT)
CALVI ROBERTO (IT)
TUSCANO GIUSEPPE (IT)
ADAMI CARLO A (IT)
CALVI ROBERTO (IT)
TUSCANO GIUSEPPE (IT)
International Classes:
A61B17/00; A61F2/06; A61B17/064; A61B17/11; A61B17/115; (IPC1-7): A61F2/06
Domestic Patent References:
| WO1999007289A1 | 1999-02-18 | |||
| WO1998019629A2 | 1998-05-14 | |||
| WO1997021403A1 | 1997-06-19 | |||
| WO1998019631A1 | 1998-05-14 | |||
| WO1999018887A1 | 1999-04-22 |
Foreign References:
| EP0920842A1 | 1999-06-09 | |||
| US5709707A | 1998-01-20 | |||
| US5741297A | 1998-04-21 | |||
| US5755775A | 1998-05-26 |
Other References:
None
Attorney, Agent or Firm:
Siniscalco, Fabio (8 Milano, IT)
Download PDF:
Claims:
CLAIMS
| 1. | Prosthesis for the closure of a lumen (22) in a vessel (26) for the conveyance of organic fluid, comprising at least one tissuestructure (76) having dimensions adapted to cover the vessel lumen (22) for its complete closure, characterised in that said tissue structure (76) is associated to gripping means (28) for the connection of said tissuestructure to edges (34) of said lumen (22). |
| 2. | Prosthesis according to Claim 1, in which said gripping means (28) associated with said at least one tissuestructure (30) are operatively movable between an open position, for a partially insertion into said lumen (22), and a closed position, in which a first portion (36) of said gripping means (28) grasps an external surface (40) of a wall (24) of the vessel (26) and a second portion (38) grasps an opposing internal surface (42) of said wall (24). |
| 3. | Prosthesis according to Claim 2, in which said gripping means (28) being elastically influenced in said closed position. |
| 4. | Prosthesis according to Claim 2 or 3, in which said prosthesis further comprises holding means removably holding said gripping means (28) in said open position. |
| 5. | Prosthesis according to Claim 4, in which said holding means comprises circling means that are operatively releasable from a first position defining a closed ring for grouping in a bundle at least one of said first or second portions (36,38) in said open position of the gripping means, to a second position of the circling means, in which the ring is open to perimetrically release the at least one of said first or second portions (36,38) in said closed position of the gripping means. |
| 6. | Prosthesis according to Claim 5, in which said removably holding means are provided with control means (88). |
| 7. | Prosthesis according to Claim 5 or 6, in which said holding means are a thread (86,134). |
| 8. | Prosthesis according to Claim 5 or 6, in which said holding means are a suture thread (86,134). |
| 9. | Prosthesis according to Claim 7 or 8, in which said thread is held in position by a quick release knot. |
| 10. | Prosthesis according to Claim 9, in which said quick release knot is provided with a quick release end (88). |
| 11. | Prosthesis according to any of the preceding claims, in which in said closed position the tissue structure (30) is pressed against edges (34) of said lumen (22). |
| 12. | Prosthesis according to any of the preceding claims, in which said gripping means (28) comprise a plurality of clips (32) which can be arranged radially around an edge (34) of the vessel (26) surrounding said lumen (22), in order that each clip (32), when in the closed position, grasps, with a first arm (36) the external surface (40) of the wall (24) of the vessel (26) and with a second arm (38) the opposing internal surface (42) of the wall (24) of the vessel (26). |
| 13. | Prosthesis according to Claim 12, in which the free ends (48) of said arms (36,38) are bent towards each other, when the gripping means (28) are in the closed position, in order to hook into the lumen edge (34). |
| 14. | Prosthesis according to Claim 12 or 13, in which said first and said second arms (36,38) are elastically influenced in said gripping closed position of the lumen edges (34). |
| 15. | Prosthesis according to any of Claim 12 to 14, in which the clips (32) are a structure of biocompatible wire or sheet. |
| 16. | Prosthesis according to any of Claim 12 to 15, in which the clips (32) are"C"shaped. |
| 17. | Prosthesis according to any of Claim 12 to 16, in which each clip (32) has a curled stretch (46,110) between the arms (36, 38). |
| 18. | Prosthesis according to any of Claim 12 to 16, in which each clip (32) has a central stretch (44) linked to the arms (36,38) by curled stretches (46). |
| 19. | Prosthesis according to Claims 17 or 18, in which the plurality of clips (32) receives in the respective curls (46) wire rings (54) of biocompatible material. |
| 20. | Prosthesis according to any of Claim 12 to 19, in which said clips (32) are in smart alloy with shape memory. |
| 21. | Prosthesis according to any of Claim 12 to 20, in which the plurality of clips (32), when in open position, have at least one of said first and second arms (36,38) grouped in a bundle and tied in a releasable way with suture thread (86,134). |
| 22. | Prosthesis according to Claim 21, in which at least one of said first and second arms (36,38) has a seat (50) to receive said suture thread (86,134). |
| 23. | Prosthesis according to any of the preceding claims, in which said gripping means (28) are fixed to said tissuestructure (30) forming a selfsupporting structure. |
| 24. | Prosthesis according to Claim 23, in which said gripping means (28) are connected to the tissuestructure (30) by stitches in suture thread (74). |
| 25. | Prosthesis according to Claim 23, in which the tissuestructure (30) is fixed to said gripping means (28) by means of biocompatible glue. |
| 26. | Prosthesis according to any of the preceding claims, in which said tissuestructure is at least one patch (76) for the closure of said lumen (22). |
| 27. | Prosthesis according to Claim 26, in which said patch (76) is associated with the gripping means (28) in order to position itself, when connected to the vessel (26), at the internal surface (42) of the wall (24) of said vessel (26). |
| 28. | Prosthesis according to Claim 26, in which said patch (76) is associated with gripping means (28) in order to position itself outside the vessel (26). |
| 29. | Prosthesis according to Claim 26, in which said patch (76) is associated with a central part (44) of said gripping means (28). |
| 30. | Prosthesis according to any of the preceding claims, in which the gripping means (28) comprise a circular crown (130) from which a series of elastic lamellae (132) radiate, which constitute arms (36,38) of clips (32). |
| 31. | Prosthesis according to Claim 30, in which said gripping means (28) are of biocompatible synthetic material. |
| 32. | Prosthesis according to Claim 30 or 31, in which a patch (76) for the closure of the lumen (22) is enclosed in the circular crown (130). |
| 33. | Prosthesis for connecting at least one tissue structure (30) to a lumen (22) in a blood vessel according to any of the preceding claims. |
| 34. | Prosthesis for connecting at least one tissue structure (30) to a lumen (22) in a visceral conduit according to any of the preceding claims. |
| 35. | Procedure for the attachment out of a human body of at least one tissuestructure (30) to a lumen (22) made in a conduit prosthesis using the prosthesis of any of Claim 1 to 32, comprising the following steps: preparation of said prosthesis with the gripping means (28) in the open position and removably held by holding means (86,134); insertion of the gripping means (28), in the open position, in said lumen (22); removal of said removable holding means (86,98, 102,114) in order to permit the gripping means (28) to move into the closed position and connect the tissue structure (30) to the lumen edges (34) of the conduit (26). |
| 36. | Method for connecting at least one tissue structure to a lumen in a vessel for the conveyance of organic fluid, comprising the stages of: preparing a prosthesis for the closure of the lumen in a vessel for the conveyance of organic fluid, comprising at least one tissuestructure having dimensions adapted to cover the vessel lumen for its complete closure, said tissuestructure being associated to gripping means for the connection of said tissue structure to edges of said lumen; connecting said tissuestructure to said lumen by means of said gripping means. |
| 37. | Method according to Claim 36, in which: said gripping means can be moved operatively between an open position and a closed position and in which said connection is provided by the following stages: opening said gripping means holding them in said open position with removable holding means provided with control means; inserting said gripping means in the open position and removably held until said gripping means are brought into the use position, leaving said control means outside the vessel; acting on the control means removing the removable holding means in order to release the gripping means, which will move into the closed position in which the tissuestructure is connected to said lumen edges. |
| 38. | Method for the restoration or the closure of a lumen in a vessel wall for the conveyance of organic fluid, comprising the following stages: preparing a prosthesis for the closure of the lumen in a vessel for the conveyance of organic fluid, comprising at least one tissuestructure having dimensions adapted to cover the vessel lumen for its complete closure, said tissuestructure being associated to gripping means for the connection of said tissue structure to edges of said lumen; said tissuestructure comprises at least one patch of a shape suitable for closing said lumen; connecting said patch to said lumen by means of said gripping means in the following stages: opening said gripping means holding them in said open position using removable holding means provided with control means; inserting said gripping means in the open position and removably held until said gripping means are brought into the use position, leaving said control means outside the vessel; acting on the control means removing the removable holding means, in order to release the gripping means, which will move into the closed position in which said patch is connected to said lumen edges. |
Description:
INTERNATIONALSEARCHREPORTInternnal Application No tnternna)AppticationNo PCT/EP00/05927 C.(Continuation)DOCUMENTSCONSIDEREDTOBERELEVANT CategoryCitationofdocument,withindication,whereappropriate,o
ftherelevantpassagesRelevanttoclaimNo- YWO9819629A(VASCULARSCIENCE)6-10 14May1998(1998-05-14) page31,lastparagraph-page32;figures 31,32 AWO9721403A(PROGRAFT) 5 19June1997(1997-06-19) figures19,21 AWO9819631A(VASCULARSCIENCE) 5 14May1998(1998-05-14) figure1 AWO9918887A(VASCULARSCIENCE) 22April1999(1999-04-22) figures1-3,5,8-10 AUS5755775A(TREROTOLA) 26May1998(1998-05-26) figure7 2 Inte. JtionalapplicationNo. INTERNATIONALSEARCHREPORTPCT/EP00/05927 Box 1Observationswherecertainclaimswerefoundunsearchable(Continu
ationofitem1offirstsheet) ThisInternationalSearchReporthasnotbeenestablishedinrespecto
fcertainclaimsunderArticle17(2)(a)forthefollowingreasons: 1.JClaimsNos.:35-38 becausetheyrelatetosubjectmatternotrequiredtobesearchedbythi
sAuthority,namely: Rule39.1(iv)PCT-Methodfortreatmentofthehumanoranimalbodyby surgery 2.ClaimsNos.: becausetheyrelatetopartsoftheInternationalApplicationthatdon
otcomplywiththeprescribedrequirementstosuch anextentthatnomeaningfulInternationalSearchcanbecarriedout,s
pecifically: 3.ClaimsNos.: becausetheyaredependentclaimsandarenotdraftedinaccordancewit
hthesecondandthirdsentencesofRule6.4(a). Box 11Observationswhereunityofinventionislacking(Continuationofi
tem2offirstsheet) ThisInternationalSearchingAuthorityfoundmultipleinventionsin
thisinternationalapplication,asfollows: seeadditionalsheet 1.As allrequiredadditionalsearchfeesweretimelypaidbytheapplicant,
thisInternationalSearchReportcoversall searchableclaims. 2.As allsearchableclaimscouldbesearchedwithouteffortjustifyingana
dditionalfee,thisAuthoritydidnotinvitepayment ofanyadditionalfee. 3.Asonlysomeoftherequiredadditionalsearchfeesweretimelypaidb
ytheapplicant,thisInternationalSearchReport coversonlythoseclaimsforwhichfeeswerepaid,specificallyclaims
Nos.: 4. Norequiredadditionalsearchfeesweretimelypaidbytheapplicant.C
onsequently,thisInternationalSearchReportis restrictedtotheinventionfirstmentionedintheclaims;itiscovere
dbyclaimsNos.: 1-11,23-29,33,34 RemarkonProtestTheadditionalsearchfeeswereaccompaniedbytheap
plicant'sprotest. Noprotestaccompaniedthepaymentofadditionalsearchfees. u FURTHERINFORMATIONCONTINUEDFROMPCT/ISA/210 ThisInternationalSearchingAuthorityfoundmultiple(groupsof) inventionsinthisinternationalapplication,asfollows: 1.Claims:1-11,23-29,33,34 Closureprosthesiswithopenableencircl-ingretainer/release means 2.Claims:1,12-22 Closureprosthesiswithmultipleclipfixing 3.Claims:1,30-32 Closureprosthesiswithsinglepieceelasticcrownas grippingmeans INTERNATIONALSEARCHREPORT r----.,.,--------t Intern ial ApplicationNo ormationonpatentfamily members PCT/EP00/05927 PatentdocumentPublicationPatentfamilyPublication citedinsearchreportdate member(s)date WO9907289A18-02-1999DE 29714242 U 10-12-1998 AU8678998 A01-03-1999 BR 9811124 A 22-08-2000 EP 1018943 A 19-07-2000 EP920842A09-06-1999RU 2108070 C 10-04-1998 AU 3364897 A 02-02-1998 US 6036716 A 14-03-2000 WO 9801086 A 15-01-1998 US5709707A20-01-1998EP 0861049 A 02-09-1998 WO 9716119 A 09-05-1997 US5741297A21-04-1998AU 4158397 A 19-03-1998 WO 9808462 A 05-03-1998 WO9819629A14-05-1998US 5976178 A 02-11-1999 US 6036702 A 14-03-2000 AU 5102198 A 29-05-1998 AU 5105798 A 29-05-1998 AU 5162598 A 29-05-1998 AU 5162698 A 29-05-1998 AU 5166498 A 29-05-1998 AU 5168398 A 29-05-1998 AU 5179698 A 29-05-1998 AU 5197098 A 29-05-1998 AU 5251498 A 29-05-1998 AU 7000498 A 29-05-1998 EP 0951251 A 27-10-1999 EP 0951252 A 27-10-1999 EP 0996386 A 03-05-2000 EP 0949889 A 20-10-1999 WO 9819630 A 14-05-1998 WO 9819618 A 14-05-1998 WO 9819631 A 14-05-1998 WO 9819632 A 14-05-1998 WO 9819732 A 14-05-1998 WO 9819634 A 14-05-1998 WO 9819608 A 14-05-1998 WO 9819635 A 14-05-1998 WO 9819636 A 14-05-1998 US 5931842 A 03-08-1999 US 6152945 A 28-11-2000 US 5972017 A 26-10-1999 WO9721403A19-06-1997AU 1413897 A 03-07-1997 CA 2246157 A 19-06-1997 EP 0866678 A 30-09-1998 JP 11509130 T 17-08-1999 US 6042605 A 28-03-2000 WO9819631A14-05-1998US 5976178 A 02-11-1999 US 5941908 A 24-08-1999 AU 5102198 A 29-05-1998 AU 5105798 A 29-05-1998 AU 5162598 A 29-05-1998 AU 5162698 A 29-05-1998 AU 5166498 A 29-05-1998 INTERNATIONALSEARCHREPORT | Intern lalApplicationNo )ntern)atAppticatonNo ormationonpatentfamily members PCT/EP 00/05927 PatentdocumentPublication Patent family Publication citedinsearchreportdate member(s)date WO9819631AAU 5168398 A 29-05-1998 AU 5179698 A 29-05-1998 AU 5197098 A 29-05-1998 AU 5251498 A 29-05-1998 AU 7000498 A 29-05-1998 EP 0951251 A 27-10-1999 EP 0951252 A 27-10-1999 EP 0996386 A 03-05-2000 EP 0949889 A 20-10-1999 WO 9819629 A 14-05-1998 WO 9819630 A 14-05-1998 WO 9819618 A 14-05-1998 WO 9819632 A 14-05-1998 WO 9819732 A 14-05-1998 WO 9819634 A 14-05-1998 WO 9819608 A 14-05-1998 WO 9819635 A 14-05-1998 WO 9819636 A 14-05-1998 US 5931842 A 03-08-1999 WO9918887A22-04-1999US 6074416 A 13-06-2000 AU 9031898 A 03-05-1999 US5755775A26-05-1998US 5591226 A 07-01-1997 WO 9622745 A û1-û8-1996
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