US20030036791A1 - Implant implantation unit and procedure for implanting the unit - Google Patents

Implant implantation unit and procedure for implanting the unit Download PDF

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Publication number
US20030036791A1
US20030036791A1 US10/210,085 US21008502A US2003036791A1 US 20030036791 A1 US20030036791 A1 US 20030036791A1 US 21008502 A US21008502 A US 21008502A US 2003036791 A1 US2003036791 A1 US 2003036791A1
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US
United States
Prior art keywords
unit
feeler
cavity
implant
sleeve
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Abandoned
Application number
US10/210,085
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English (en)
Inventor
Bonhoeffer Philipp
Boudjemline Younes
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Jvt Research & Development Corp
Medtronic Vascular Galway ULC
Jenavalve Technology Inc
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Publication of US20030036791A1 publication Critical patent/US20030036791A1/en
Assigned to JENAVALVE TECHNOLOGY, INC. reassignment JENAVALVE TECHNOLOGY, INC. CHANGE OF NAME (SEE DOCUMENT FOR DETAILS). Assignors: JENCARDIOTEC, INC.
Assigned to JENCARDIOTEC, INC. reassignment JENCARDIOTEC, INC. ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: BOUDJEMLINE, YOUNES
Priority to US12/138,983 priority Critical patent/US8216301B2/en
Priority to US12/139,074 priority patent/US8303653B2/en
Priority to US12/407,342 priority patent/US8206437B2/en
Priority to US13/279,800 priority patent/US8585756B2/en
Priority to US13/286,459 priority patent/US8579965B2/en
Assigned to Medtronic Vascular Galway Limited reassignment Medtronic Vascular Galway Limited ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: BONHOEFFER, PHILIPP
Priority to US14/019,071 priority patent/US20140012370A1/en
Assigned to JENAVALVE TECHNOLOGY GMBH reassignment JENAVALVE TECHNOLOGY GMBH ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: JENAVALVE TECHNOLOGY, INC.
Priority to US14/563,473 priority patent/US9889002B2/en
Priority to US14/576,344 priority patent/US9949824B2/en
Assigned to JVT RESEARCH & DEVELOPMENT CORPORATION reassignment JVT RESEARCH & DEVELOPMENT CORPORATION ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: JENAVALVE TECHNOLOGY GMBH
Assigned to JENAVALVE TECHNOLOGY, INC. reassignment JENAVALVE TECHNOLOGY, INC. ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: JVT RESEARCH & DEVELOPMENT CORPORATION
Assigned to JVT RESEARCH & DEVELOPMENT CORPORATION reassignment JVT RESEARCH & DEVELOPMENT CORPORATION ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: JENAVALVE TECHNOLOGY GMBH
Assigned to JENAVALVE TECHNOLOGY, INC. reassignment JENAVALVE TECHNOLOGY, INC. ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: JVT RESEARCH & DEVELOPMENT CORPORATION
Priority to US15/933,648 priority patent/US11007052B2/en
Abandoned legal-status Critical Current

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Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
    • A61F2/02—Prostheses implantable into the body
    • A61F2/24—Heart valves ; Vascular valves, e.g. venous valves; Heart implants, e.g. passive devices for improving the function of the native valve or the heart muscle; Transmyocardial revascularisation [TMR] devices; Valves implantable in the body
    • A61F2/2409—Support rings therefor, e.g. for connecting valves to tissue
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
    • A61F2/02—Prostheses implantable into the body
    • A61F2/24—Heart valves ; Vascular valves, e.g. venous valves; Heart implants, e.g. passive devices for improving the function of the native valve or the heart muscle; Transmyocardial revascularisation [TMR] devices; Valves implantable in the body
    • A61F2/2412—Heart valves ; Vascular valves, e.g. venous valves; Heart implants, e.g. passive devices for improving the function of the native valve or the heart muscle; Transmyocardial revascularisation [TMR] devices; Valves implantable in the body with soft flexible valve members, e.g. tissue valves shaped like natural valves
    • A61F2/2418—Scaffolds therefor, e.g. support stents
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
    • A61F2/02—Prostheses implantable into the body
    • A61F2/24—Heart valves ; Vascular valves, e.g. venous valves; Heart implants, e.g. passive devices for improving the function of the native valve or the heart muscle; Transmyocardial revascularisation [TMR] devices; Valves implantable in the body
    • A61F2/2427—Devices for manipulating or deploying heart valves during implantation
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
    • A61F2/02—Prostheses implantable into the body
    • A61F2/24—Heart valves ; Vascular valves, e.g. venous valves; Heart implants, e.g. passive devices for improving the function of the native valve or the heart muscle; Transmyocardial revascularisation [TMR] devices; Valves implantable in the body
    • A61F2/2427—Devices for manipulating or deploying heart valves during implantation
    • A61F2/2436—Deployment by retracting a sheath
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
    • A61F2/02—Prostheses implantable into the body
    • A61F2/04—Hollow or tubular parts of organs, e.g. bladders, tracheae, bronchi or bile ducts
    • A61F2/06—Blood vessels
    • A61F2002/061—Blood vessels provided with means for allowing access to secondary lumens
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F2230/00—Geometry of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof
    • A61F2230/0002—Two-dimensional shapes, e.g. cross-sections
    • A61F2230/0028—Shapes in the form of latin or greek characters
    • A61F2230/0054—V-shaped
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F2250/00—Special features of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof
    • A61F2250/0004—Special features of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof adjustable
    • A61F2250/001—Special features of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof adjustable for adjusting a diameter

Definitions

  • the current invention relates to an implant implantation unit and to a procedure for fitting the unit in a tubular element.
  • the problem at the origin of the invention concerns the implantation of heart valves. Until recently this necessitated open heart surgical operations, with stages such as stopping the heart, the implementation of extra bodily blood circulation and restarting the heart after the implantation of replacement heart valves. These surgical operations are difficult and delicate and present mortal risks related to operating shocks.
  • the carrier cylinder presents a sealed casing, which is thus forced against the artery wall, so as to avoid the blood flow bypassing the replacement valve.
  • the invention aims to allow, the placing, in a difficult to access location of a tubular element, of a unit intended to carry an implant, whatever the function of the implant.
  • the invention concerns in the first place a unit for the implantation in a determined position of a tubular element with a wall comprising a cavity, the unit being arranged to cooperate with means for driving the unit in the tubular element, a unit characterised by the fact that it comprises deformable feelers arranged so that, under the control of means for remote activation, it passes from a stowed to a deployed functional shape, to detect the cavity and position itself there with reference to the position of the cavity.
  • the unit can be made to advance blind and the feelers allow the automatic detection of the cavity and positioning at it.
  • the final required position can also be reached even through a contraction of the tubular element for example an access artery leading to an artery of larger diameter.
  • the invention also concerns a process, which is not surgical and without therapeutic aim, for implantation of the inventive unit, at a predetermined position in a tubular element presenting a wall comprising a cavity which procedure is characterised by the fact that
  • FIG. 1 is a lateral cross section of the inventive unit, representing the feeler positioning and anchoring elements, associated with a cylinder carrying a valve prosthesis, the whole being covered by two removable concentric activation casings,
  • FIG. 2 corresponds to FIG. 1, the feeler positioning and anchoring elements having been deployed radially by axial withdrawal of the external casing,
  • FIG. 3 corresponds to FIGS. 1 and 2, with the carrier cylinder surrounded by positioning and anchoring feeler elements having been deployed radially after axial withdrawal of the internal casing,
  • FIG. 4 is a lateral view of the carrier cylinder and the positioning and anchoring feeler elements
  • FIG. 5 is a lateral perspective view of the positioning and anchoring feeler elements
  • FIG. 6 is a schematic face view of the inventive unit
  • FIG. 7 is a schematic lateral section of the variant.
  • the valve implantation unit 10 comprises a carrier element 20 to hold the implant, joined to a plurality of feeler, or palpation, elements or fingers 30 , 31 , here regularly spaced angularly all around, for positioning and anchoring relative to relief features, specifically a cavity in the aorta wall, unit 10 being linked removably to a positioning catheter 60 .
  • Unit 10 is associated with two concentric sleeves 41 , 42 for successive remote activation, by radial expansion, of feeler elements 30 , 31 then the carrier element 20 .
  • the direction of movement of unit 10 is therefore towards the left in FIGS. 1 to 3 .
  • Reference 62 represents an axis of symmetry and the drive direction of unit 10 and catheter 60 .
  • the implantation valve forms a prosthesis 1 comprising valve units 2 of the valve whose shape and size correspond perfectly, in the operating position, to those of the native aorta valves 50 (FIG. 2).
  • the prosthesis 1 is fixed to the implant holding carrier vehicle element 20 , here comprising a cylindrical mesh in a bio-compatible material such as steel, gold alloys and for preference as here, nitinol, which comprises a shape memory nickel-titanium alloy offering the ability to regain its shape after initial deformation, here by radial compression.
  • the fixing of prosthesis 1 to the cylindrical nitinol mesh is made in well defined locations leaving free those regions that correspond to the valve units 2 after deployment from the stowed position of FIG. 2, as illustrated below in respect of FIG. 3.
  • FIG. 4 represents the cylindrical mesh 20 in the deployed form, carrying the valve units 2 also deployed internally, on which are connected the feeler elements 30 , 31 , here in the form of a generally cylindrical exterior ring of wire loops of which one ( 31 ) at least, here in fact three, protrudes laterally and towards the front, opposite the catheter 60 .
  • the loops 31 extend, in the deployed position, in a direction inclined at about 30 degrees towards the front (direction of movement towards the target position) relative to the axis 62 of the mesh 20 and the ring 30 .
  • the feeler elements 30 , 31 are joined to the cylindrical mesh 20 in such a way that their axial and angular positions relative to it are perfectly defined.
  • the assembly, cylindrical mesh 2 and feeler elements 30 , 31 is here composed of the auto expandable bio-compatible material mentioned above.
  • the cylindrical carrier mesh 20 is here covered with an impermeable lateral casing intended to be pressed against the aorta wall to avoid bypassing by the blood circulation.
  • FIG. 5 shows the feeler elements 30 , 31 in perspective.
  • FIG. 6 is a schematic view, along the unit 10 axial direction, showing the three loops 31 protruding laterally from the tubular grid 20 that carries them, while the 2 valve units of the valve to be implanted are fixed internally to the carrier cylinder 20 .
  • an inflatable balloon, joined to the catheter 60 can here be placed inside the carrier cylinder 20 , to be fed with liquid under pressure through catheter pipe 60 so as to cause or assist the radial expansion of the carrier cylinder 20 to the required deployed form.
  • unit 10 is covered with an inhibition sleeve 42 to hold the feeler elements 30 , 31 in a stowed position, the loops 31 being folded on the ring 30 and thus also on the mesh 20 .
  • Sleeve 42 extends to cover the catheter 60 .
  • a second sleeve 41 effectively the same length and without effect on the feeler elements 30 , 31 , is here similarly provided to hold the carrier cylinder 20 in the stowed position, so as to avoid unplanned deployment even in the absence of inflation of the balloon 3 .
  • the two sleeves 41 , 42 are mounted concentrically on the catheter 60 .
  • the sleeves 41 and 42 are accessible from the end of catheter 60 opposite to the unit 10 .
  • Elements 3 , 41 , 42 , and 60 comprise a functional catheter assembly separable from the unit 10 , for the positioning and switching on this latter and the payload ( 2 ).
  • the two sleeves 41 , 42 inhibit the radial deployment or the structure 20 , 30 , 31 until the latter reaches the region of the native aorta valve 50 to be functionally replaced, and thus allow the introduction of unit 10 into the blood circulation system, such as a reduced diameter incised artery.
  • the catheter 60 with balloon 3 , is detachably joined to the implantation unit 10 so as to allow an axial advance of the implantation unit 10 in the blood circulation system up to the implantation location, and the withdrawal of the catheter assembly 3 , 41 , 42 , 60 .
  • the catheter 60 comprises, in this example, at the fixed end of carrier cylinder 20 , a spring effect clamp (not shown), with remotely controlled teeth, fitted to rotate radially, for connection to the unit 10 and has a sliding central remote control metal wire to axially push back the claw branches or teeth so an to separate them radially and so free the catheter 60 of the implantation unit 10 according to the sugar claw principle.
  • the pressure on the aorta internal wall is provided by the shape memory effect, which thus ensures the radial dilation of the prosthesis 1 .
  • the failed native valve unit 50 is flattened by being pressed by the tubular grid 20 against the aorta internal wall, each of the three loops 31 protruding laterally having previously been engaged in one, specifically, of the three native valve units 50 and being similarly pressed to confirm its anchorage. The valve units 50 are thus clamped between the mesh 20 , 30 and the respective loops 31 .
  • the implantation procedure for the unit 10 described above comprises the following steps. After insertion of the implantation unit 10 into the circulatory system, and after having pushed it using the catheter 60 to a position above the final target position, here precisely where the unit 10 arrives in the aorta, and so that a large diameter space is thus offered to it, the following stage consists of freeing the lateral loops 31 , initially pressed against the stowed mesh 20 , 30 . The release of the loops 31 is done by withdrawing the external retention sleeve 42 (FIG. 2), that is to say withdrawn whilst maintaining the thrust on the catheter 60 .
  • each native valve unit 50 offers a rounded base.
  • Each lateral protrusion 31 presses against the base of the native valve unit 50 concerned, in general in a point distant from the “lowest” point of the base, that is to say, the furthest from the catheter 60 . This is therefore a partial stop because the axial advance of the unit 10 continues by thrust from the catheter 60 , the axial thrust of the unit 10 causing it to slide to the lowest point.
  • the bottom of the valve unit 50 thus comprises a sort of inclined plane guidance track (not orthogonal to the axis ( 62 ) of the aorta) which, in reaction to the axial forward force, creates a circumferential reaction force causing the rotation of the unit 10 until the feeler loop considered 31 reaches the lowest point, which corresponds to a complete end wall (with tangential plane orthogonal to the axis ( 62 ) of the aorta 51 ), and thus corresponds to the final axial and angular position sought for the unit 10 .
  • Each lateral protrusion 31 with rounded ends, here as a loop, so as to be able to slide in the bottom of the valve unit 50 , thus comprises, by continuous cooperation with the variable depth rounded base of the native valves 50 , means for rotational drive of the feeler elements 30 , 31 and thus also of the cylindrical mesh 20 , to which it is joined.
  • the implantation unit 10 can be slightly withdrawn and the operator twists the catheter 60 so that it pivots angularly to be able to restart the positioning and anchoring operation.
  • a single lateral protrusion is sufficient to modulo 120 degrees positioning and anchoring the cylindrical mesh 20 .
  • modulo 120 degrees positioning can be tolerated because the two coronaries ( 52 ) naturally effectively show this angle. If this was not the case, it would be necessary laterally to enlarge two openings or serrations 22 provided in the casing 21 so that they were positioned opposite the coronaries ( 52 ) (FIG. 4 and position marked on FIG. 3.), or again to feel, using the feelers 31 , the coronaries ( 52 ) themselves, which also comprise cavities in the aorta 51 , and not to sense the native valve units SO. This case corresponds to the variant described below.
  • the following stage consists of deploying the cylindrical mesh 20 carrying internally the valve units 2 by withdrawing the internal retaining sleeve 41 , to consolidate the anchorage and change the valve units 2 to their operational form.
  • the mesh 20 has been represented with a relatively small diameter, whereas in fact it matches that of the aorta 51 , with a slight increase to ensure the required lateral pressure.
  • two protrusions 31 have been represented, although in fact they are separated by 120 degrees, with the plane of FIG. 3 only in reality cutting one. For this reason, only a single coronary has been drawn ( 52 ).
  • the three loops 31 protruding however provide by themselves a basic anchorage in the bottom of the pockets comprising the native valves 50 and ensure the positional stability of the prosthesis 1 . After a few weeks, fibrous tissue will cover the prosthesis 1 , combining with the lateral protrusions 31 to further improve the fixing.
  • the feeler loops 31 thus do not here have very firm anchoring of the unit 10 in the aorta 51 as their main function, because they do not aim to exert a large radial anchoring pressure. As indicated above, this is only a basic anchoring. It is then the radial deployment of the mesh 20 that creates, by shape memory, a definitive radial anchoring pressure that forces the mesh 20 under pressure against the aorta wall 51 and thus blocks any relative movement, such as the withdrawal of the unit 10 that could be due to blood flow, in a direction opposite to the insertion of the unit 10 .
  • the feeler elements 11 are then functionally superfluous. They however contribute to maintaining position by pinching the valve units 2 .
  • the shape memory material allows the radial pressure exerted on the aorta 51 to be precisely determined, the diameter of the latter thus increased being then perfectly defined, which eliminates all risk of excessive radial stress.
  • the inventive procedure can be implemented in non-surgical manner and without therapeutic aims, to implant the unit 10 (or equivalent) in a determined position in a tubular elements offering a wall including a cavity, the procedure comprising the following stages:
  • a user inserts the unit ( 10 ) into an open end to the tubular element
  • the user activates the drive means ( 60 ) (catheter, external magnet or other) to move the unit ( 10 ) up to a position upstream the determined position,
  • the user commands the feeler element ( 30 , 31 ) activation means ( 42 ) and, the forward motion continuing,
  • the user stops the activation of the drive means ( 60 ) when he detects a blockage of the advance, due to the fact that the feeler means ( 30 , 31 ) are positioned in the cavity.
  • this one can be associated with a type of precursor rostrum 61 (FIG. 1 to 3 ) forming a guide, in the form of a cylindrical element of a limited diameter, joined to the catheter 60 .
  • the implantation unit according to the invention can, first, be implanted alone, without implant or payload, the latter being implanted later on the implantation unit according to the same principle.
  • the inventive unit comprises means for receiving the second support, to come, of the implant, said means being arranged to ensure the positioning and anchorage, both axially, by stopping, and radially, with angular error correction means such as a finger or cavity provided to fit with an element of matching shape in the second support.
  • the implantation unit has the reference 110 and comprises functional elements similar to those of unit 10 , with the same references preceded by the hundred 1 , which have not however all been represented, with the aim of clarity.
  • the cylindrical carrier element 120 is joined to a feeler element 131 which protrudes laterally and which has the same type of construction as the carrier element 120 .
  • the feeler element 131 appears in the form of a cylinder, stowed radially in the rest position.
  • the unit 110 thus comprises a type of fork that locks by stopping in the bifurcation between the aorta 51 and the coronary 52 .
  • the two cylindrical elements 120 , 131 are deployed by two balloons respectively and form a type of two fingered glove.
  • the feeler 131 presents a radially stowed form, thus with reduced diameter not risking blocking the coronary 52 . Then the feeler 131 is deployed, by inflation of the associated remote control balloon, and constitutes a lining, or internal ‘casing’, pressed against the internal wall of the coronary 52 in accordance with the principle explained above for the carrier cylinder 20 .
  • the feel er means comprise a cylindrical element 131 arranged to change from a stowed form to a radially deployed form, supported against a wall of the cavity, here the coronary 52 , under the influence of remote control means (balloon and catheter 160 ),
  • a guide wire can be passed into the coronary 52 and the upper part of the aorta 51 , the unit 110 being threaded above it across the feeler 131 that is thus angularly oriented towards the coronary 52 .
  • Another guide wire can at the same time guide cylinder 120 into the aorta 51 .

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  • Health & Medical Sciences (AREA)
  • Cardiology (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Transplantation (AREA)
  • Oral & Maxillofacial Surgery (AREA)
  • Vascular Medicine (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Prostheses (AREA)
US10/210,085 2001-08-03 2002-08-02 Implant implantation unit and procedure for implanting the unit Abandoned US20030036791A1 (en)

Priority Applications (9)

Application Number Priority Date Filing Date Title
US12/138,983 US8216301B2 (en) 2001-08-03 2008-06-13 Implant implantation unit
US12/139,074 US8303653B2 (en) 2001-08-03 2008-06-13 Implant implantation unit and procedure for implanting the unit
US12/407,342 US8206437B2 (en) 2001-08-03 2009-03-19 Implant implantation unit and procedure for implanting the unit
US13/279,800 US8585756B2 (en) 2001-08-03 2011-10-24 Methods of treating valves
US13/286,459 US8579965B2 (en) 2001-08-03 2011-11-01 Methods of implanting an implantation device
US14/019,071 US20140012370A1 (en) 2001-08-03 2013-09-05 Methods of implanting a unit in a tubular element with a wall
US14/563,473 US9889002B2 (en) 2001-08-03 2014-12-08 Devices useful for implantation at a heart valve
US14/576,344 US9949824B2 (en) 2001-08-03 2014-12-19 Devices useful for implantation at a heart valve
US15/933,648 US11007052B2 (en) 2001-08-03 2018-03-23 Devices useful for implantation at a heart valve

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
FR0110444A FR2828263B1 (fr) 2001-08-03 2001-08-03 Dispositif d'implantation d'un implant et procede d'implantation du dispositif
FR0110444 2001-08-03
CA 2436258 CA2436258A1 (en) 2001-08-03 2003-07-30 Implant implantation unit and procedure for implanting the unit

Related Child Applications (2)

Application Number Title Priority Date Filing Date
US12/139,074 Continuation US8303653B2 (en) 2001-08-03 2008-06-13 Implant implantation unit and procedure for implanting the unit
US12/138,983 Continuation US8216301B2 (en) 2001-08-03 2008-06-13 Implant implantation unit

Publications (1)

Publication Number Publication Date
US20030036791A1 true US20030036791A1 (en) 2003-02-20

Family

ID=39495673

Family Applications (10)

Application Number Title Priority Date Filing Date
US10/210,085 Abandoned US20030036791A1 (en) 2001-08-03 2002-08-02 Implant implantation unit and procedure for implanting the unit
US12/138,983 Expired - Lifetime US8216301B2 (en) 2001-08-03 2008-06-13 Implant implantation unit
US12/139,074 Expired - Lifetime US8303653B2 (en) 2001-08-03 2008-06-13 Implant implantation unit and procedure for implanting the unit
US12/407,342 Expired - Lifetime US8206437B2 (en) 2001-08-03 2009-03-19 Implant implantation unit and procedure for implanting the unit
US13/279,800 Expired - Lifetime US8585756B2 (en) 2001-08-03 2011-10-24 Methods of treating valves
US13/286,459 Expired - Lifetime US8579965B2 (en) 2001-08-03 2011-11-01 Methods of implanting an implantation device
US14/019,071 Abandoned US20140012370A1 (en) 2001-08-03 2013-09-05 Methods of implanting a unit in a tubular element with a wall
US14/563,473 Expired - Lifetime US9889002B2 (en) 2001-08-03 2014-12-08 Devices useful for implantation at a heart valve
US14/576,344 Expired - Lifetime US9949824B2 (en) 2001-08-03 2014-12-19 Devices useful for implantation at a heart valve
US15/933,648 Expired - Lifetime US11007052B2 (en) 2001-08-03 2018-03-23 Devices useful for implantation at a heart valve

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US12/138,983 Expired - Lifetime US8216301B2 (en) 2001-08-03 2008-06-13 Implant implantation unit
US12/139,074 Expired - Lifetime US8303653B2 (en) 2001-08-03 2008-06-13 Implant implantation unit and procedure for implanting the unit
US12/407,342 Expired - Lifetime US8206437B2 (en) 2001-08-03 2009-03-19 Implant implantation unit and procedure for implanting the unit
US13/279,800 Expired - Lifetime US8585756B2 (en) 2001-08-03 2011-10-24 Methods of treating valves
US13/286,459 Expired - Lifetime US8579965B2 (en) 2001-08-03 2011-11-01 Methods of implanting an implantation device
US14/019,071 Abandoned US20140012370A1 (en) 2001-08-03 2013-09-05 Methods of implanting a unit in a tubular element with a wall
US14/563,473 Expired - Lifetime US9889002B2 (en) 2001-08-03 2014-12-08 Devices useful for implantation at a heart valve
US14/576,344 Expired - Lifetime US9949824B2 (en) 2001-08-03 2014-12-19 Devices useful for implantation at a heart valve
US15/933,648 Expired - Lifetime US11007052B2 (en) 2001-08-03 2018-03-23 Devices useful for implantation at a heart valve

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US20180368976A1 (en) 2018-12-27
CA2848490A1 (en) 2005-01-30
FR2828263A1 (fr) 2003-02-07
EP2266504B1 (de) 2017-03-29
US20090062908A1 (en) 2009-03-05
EP1281375B1 (de) 2012-02-29
ES2381337T3 (es) 2012-05-25
US20140012370A1 (en) 2014-01-09
US8585756B2 (en) 2013-11-19
EP2266503B1 (de) 2017-01-04
US20150105857A1 (en) 2015-04-16
US8579965B2 (en) 2013-11-12
US9889002B2 (en) 2018-02-13
DK1281375T3 (da) 2012-05-14
EP1281375A3 (de) 2003-12-03
CA2436258A1 (en) 2005-01-30
AT11792U1 (de) 2011-05-15
US8216301B2 (en) 2012-07-10
DK200800058U1 (da) 2008-06-13
FR2828263B1 (fr) 2007-05-11
HK1053600A1 (en) 2003-10-31
US9949824B2 (en) 2018-04-24
US20150094804A1 (en) 2015-04-02
EP2266504A2 (de) 2010-12-29
US20100070027A1 (en) 2010-03-18
EP2266503A3 (de) 2011-04-20
ATE547068T1 (de) 2012-03-15
CY1112765T1 (el) 2016-02-10
US20090054968A1 (en) 2009-02-26
US8206437B2 (en) 2012-06-26
DE20221871U1 (de) 2008-09-18
EP1281375A2 (de) 2003-02-05
US8303653B2 (en) 2012-11-06
US20120209374A1 (en) 2012-08-16
DK200800058U3 (da) 2008-07-25
EP2266504A3 (de) 2011-04-20
EP2266503A2 (de) 2010-12-29
US20120283823A1 (en) 2012-11-08
CA2848485A1 (en) 2005-01-30
PT1281375E (pt) 2012-03-21
US11007052B2 (en) 2021-05-18

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