EXPANDABLE MEDICAL IMPLANT
First Claim
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1. A method for crimping a medical implant on a catheter, comprising:
- crimping the medical implant on the catheter, wherein the medical implant comprises;
a foldable and unfoldable structure on or around or over a portion or outer surface of the catheter, wherein the foldable and unfoldable structure comprises one or more heart valve leaflets or replacements or substitutes thereof,a proximal ring and a distal ring for guiding strings which can be tightened or released for folding and unfolding of the medical implant in a controlled manner, andone or more interconnecting elements for maintaining a distance between the proximal ring and the distal ring of the implant,wherein no pressure beyond a predetermined pressure is exerted on the structure during and/or after crimping of the implant, the exerted pressure does not exceed a predetermined pressure between the interconnecting elements and the outer surface of the catheter, and the predetermined pressure has a pressure value that is determined and/or selected before or during the crimping process takes place or adjusted at a crimping device for crimping the medical implant.
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Abstract
A method for crimping a medical implant includes at least one foldable and/or unfoldable structure on or around or over a portion or outer surface of a catheter or of a catheter tip. No pressure beyond a predetermined pressure is exerted on the structure during and/or after crimping of the implant.
6 Citations
6 Claims
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1. A method for crimping a medical implant on a catheter, comprising:
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crimping the medical implant on the catheter, wherein the medical implant comprises; a foldable and unfoldable structure on or around or over a portion or outer surface of the catheter, wherein the foldable and unfoldable structure comprises one or more heart valve leaflets or replacements or substitutes thereof, a proximal ring and a distal ring for guiding strings which can be tightened or released for folding and unfolding of the medical implant in a controlled manner, and one or more interconnecting elements for maintaining a distance between the proximal ring and the distal ring of the implant, wherein no pressure beyond a predetermined pressure is exerted on the structure during and/or after crimping of the implant, the exerted pressure does not exceed a predetermined pressure between the interconnecting elements and the outer surface of the catheter, and the predetermined pressure has a pressure value that is determined and/or selected before or during the crimping process takes place or adjusted at a crimping device for crimping the medical implant. - View Dependent Claims (2, 3, 6)
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4. A crimping device for crimping of an implant comprising:
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a foldable and/or unfoldable structure on or around or over a portion or outer surface of a catheter, wherein the foldable and unfoldable structure comprises one or more heart valve leaflets or replacements or substitutes thereof, a proximal ring and a distal ring for guiding strings which can be tightened or released for folding and unfolding of the medical implant in a controlled manner, and one or more interconnecting elements for maintaining a distance between the proximal ring and the distal ring of the implant, wherein the crimping device comprises actuators and a pressure limiting arrangement, the actuators comprising brackets for receiving the crimped implant, the pressure limiting arrangement being used for limiting the pressure that is exerted or exertable on the implant or on the structure during and/or after crimping of the implant on the actuators, and the actuators being connected to each other by means of the pressure limiting arrangement. - View Dependent Claims (5)
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Specification