US20040078072A1
Expired / Lapsed
US
⏱️ 0.0 years remaining
Delivery system for a stentless valve bioprosthesis
Assignee: Medtronic 3F Therapeutics Inc
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Filing: 2003-11-26
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Granted: —
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Expires: 2023-11-26
Abstract
Abstract The current invention discloses a catheter and a method for delivering a stentless bloprosthesis in a body channel, the method comprising percutaneously introducing a catheter into the body channel, wherein the catheter contains said stentless bloprosthesis at a retracted state; and disengaging said stentless bioprosthesis out of a distal opening of the catheter by a pulling mechanism associated with the catheter structure.
Inventors
- 👤 Hosheng Tu
- 👤 Rodolfo Quijano
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 11:43
CPC Classifications
A; A61; A61F; A61F2/00; A61F2/02; A61F2/24; A61F2/2427; A61F2/2436; A61F2/2412; A61F2/2475
Claims Analysis
Total Claims: 14
Claim 1
Independent Claim
107 words
1 . A method for delivering a longitudinally collapsible prosthesis to an anatomical site in a body channel, the method comprising: introducing a catheter into the body channel, wherein the catheter contains a longitudinally collapsible prosthesis in a retracted state; advancing the catheter to an anatomical site; maintaining a distal portion of the longitudinally collapsible prosthesis in place relative to the anatomical site by attaching the distal portion of the prosthesis to the interior of the anatomical site; disengaging the longitudinally collapsible prosthesis from said catheter, wherein the collapsible prosthesis expands from the retracted state to a non-retracted state; and withdrawing said catheter from the body channel.
Claim 2
Dependent Claim
107 words
1 . A method for delivering a longitudinally collapsible prosthesis to an anatomical site in a body channel, the method comprising: introducing a catheter into the body channel, wherein the catheter contains a longitudinally collapsible prosthesis in a retracted state; advancing the catheter to an anatomical site; maintaining a distal portion of the longitudinally collapsible prosthesis in place relative to the anatomical site by attaching the distal portion of the prosthesis to the interior of the anatomical site; disengaging the longitudinally collapsible prosthesis from said catheter, wherein the collapsible prosthesis expands from the retracted state to a non-retracted state; and withdrawing said catheter from the body channel.
Claim 3
Dependent Claim
18 words
2 . The method according to claim 1 , wherein the longitudinally collapsible prosthesis is a vascular graft.
Claim 4
Dependent Claim
19 words
3 . The method according to claim 1 , wherein the longitudinally collapsible prosthesis is a biological vascular graft.
Claim 5
Dependent Claim
19 words
4 . The method according to claim 1 , wherein the longitudinally collapsible prosthesis is a stentless cardiac valve.
Claim 6
Dependent Claim
18 words
5 . The method according to claim 1 , wherein the longitudinally collapsible prosthesis is a valved conduit.
Claim 7
Dependent Claim
18 words
6 . The method according to claim 1 , wherein the longitudinally collapsible prosthesis is a venous valve.
Claim 8
Dependent Claim
42 words
7 . The method according to claim 1 , wherein the step of attaching the distal portion of the prosthesis to the interior of the anatomical site further comprises a step of stapling said prosthesis into the tissue of the body channel.
Claim 9
Dependent Claim
42 words
8 . The method according to claim 1 , wherein the step of attaching the distal portion of the prosthesis to the interior of the anatomical site further comprises a step of adhering said prosthesis into the tissue of the body channel.
Claim 10
Dependent Claim
42 words
9 . The method according to claim 1 , wherein the step of attaching the distal portion of the prosthesis to the interior of the anatomical site further comprises a step of coupling said prosthesis into the tissue of the body channel.
Claim 11
Dependent Claim
91 words
10 . The method according to claim 1 , wherein said distal portion of the longitudinally collapsible prosthesis is maintained in place at a position relative to the anatomical site by an elongated delivery member located within a lumen of the catheter, said elongated delivery member having an engagement element at a distal end of the said elongated delivery member, where in the engaging element is adapted for engaging and digging ht distal portion of said longitudinally collapsible prosthesis. a therapeutic fluid is introduced into the lumen of the catheter shaft.
Claim 12
Dependent Claim
61 words
11 . A method for delivering a stentless longitudinally collapsible bioprosthesis in a body channel, the method comprising percutaneously introducing a catheter into the body channel, wherein the catheter contains said stentless longitudinally collapsible bioprosthesis at a retracted state; and disengaging said stentless bioprosthesis out of a distal opening of the catheter by pulling the distal end of the stentless bioprosthesis.
Claim 13
Dependent Claim
61 words
11 . A method for delivering a stentless longitudinally collapsible bioprosthesis in a body channel, the method comprising percutaneously introducing a catheter into the body channel, wherein the catheter contains said stentless longitudinally collapsible bioprosthesis at a retracted state; and disengaging said stentless bioprosthesis out of a distal opening of the catheter by pulling the distal end of the stentless bioprosthesis.
Claim 14
Dependent Claim
33 words
12 . The method according to claim 11 , wherein said pulling mechanism further comprises an engaging element coupling to a distal portion of the stentless longitudinally collapsible bioprosthesis from said engaging element.
References Cited (Backward Citations)
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