NL1024396C2 - Catheter for implantable medicine carrier. - Google Patents

Catheter for implantable medicine carrier. Download PDF

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Publication number
NL1024396C2
NL1024396C2 NL1024396A NL1024396A NL1024396C2 NL 1024396 C2 NL1024396 C2 NL 1024396C2 NL 1024396 A NL1024396 A NL 1024396A NL 1024396 A NL1024396 A NL 1024396A NL 1024396 C2 NL1024396 C2 NL 1024396C2
Authority
NL
Netherlands
Prior art keywords
sleeve
distal
assembly
catheter
proximal
Prior art date
Application number
NL1024396A
Other languages
Dutch (nl)
Inventor
Hendrik Glastra
Petrus Antonius Besselink
Original Assignee
Hendrik Glastra
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 Hendrik Glastra filed Critical Hendrik Glastra
Priority to NL1024396A priority Critical patent/NL1024396C2/en
Priority to NL1024396 priority
Application granted granted Critical
Publication of NL1024396C2 publication Critical patent/NL1024396C2/en

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Classifications

    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61FFILTERS 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
    • A61F2/00Filters 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
    • A61F2/02Prostheses implantable into the body
    • A61F2/04Hollow or tubular parts of organs, e.g. bladders, tracheae, bronchi or bile ducts
    • A61F2/06Blood vessels
    • A61F2/07Stent-grafts
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61FFILTERS 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
    • A61F2/00Filters 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
    • A61F2/95Instruments specially adapted for placement or removal of stents or stent-grafts
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61FFILTERS 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
    • A61F2/00Filters 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
    • A61F2/95Instruments specially adapted for placement or removal of stents or stent-grafts
    • A61F2/962Instruments specially adapted for placement or removal of stents or stent-grafts having an outer sleeve
    • A61F2/966Instruments specially adapted for placement or removal of stents or stent-grafts having an outer sleeve with relative longitudinal movement between outer sleeve and prosthesis, e.g. using a push rod
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61FFILTERS 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
    • A61F2/00Filters 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
    • A61F2/82Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
    • A61F2/86Stents in a form characterised by the wire-like elements; Stents in the form characterised by a net-like or mesh-like structure
    • A61F2/89Stents in a form characterised by the wire-like elements; Stents in the form characterised by a net-like or mesh-like structure the wire-like elements comprising two or more adjacent rings flexibly connected by separate members
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61FFILTERS 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
    • A61F2/00Filters 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
    • A61F2/02Prostheses implantable into the body
    • A61F2/04Hollow or tubular parts of organs, e.g. bladders, tracheae, bronchi or bile ducts
    • A61F2/06Blood vessels
    • A61F2/07Stent-grafts
    • A61F2002/075Stent-grafts the stent being loosely attached to the graft material, e.g. by stitching
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61FFILTERS 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
    • A61F2/00Filters 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
    • A61F2/82Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
    • A61F2002/825Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents having longitudinal struts

Abstract

A catheter assembly for implanting a stent assembly having two expandable supporting rings with a sleeve-like element therebetween, particularly a drug carrier, comprising a guide wire, a catheter body carrying the stent assembly with at the distal end two pairs of abutment elements for the supporting rings and a protective sleeve assembly which surrounds this arrangement, in which the guide wire can be coupled with a first, distal sleeve of the protecting sleeve and this sleeve assembly comprises this first distal sleeve around the distal expandable ring of the stent assembly and a second, adjoining proximal sleeve, movable over the catheter body towards the proximal end thereof.

Description

t

Short indication: Catheter for implantable medicine carrier.

The invention relates to a catheter assembly for placing a stent assembly in a body vessel with two spaced apart expandable support rings and a sleeve-shaped element therebetween, comprising a guide wire, a catheter body enclosing this, tubular, the stent assembly, that at the digital end carries two pairs of stop elements between each of which one of the two expandable support rings of this stent assembly is enclosed and a shielding sleeve assembly that encloses this whole.

Such a catheter assembly is described in the PCT application WO02 / 076345.

The technique of locally treating a condition in a body vessel with the aid of a sleeve-shaped element arranged at a place to be treated, which forms a medicament carrier, is described in detail in PCT application WO91 / 12779 cited in the aforementioned publication. The relevant comments are still current.

A stent assembly and the use thereof as described in the first-mentioned publication WO02 / 076345 are based on the insight of the inventor that for the most effective treatment of a blood vessel present in a body vessel, in particular a blood vessel, This condition is very favorable if a sleeve-shaped element arranged in situ, which is in particular designed as a medicine carrier, exerts as low a pressure as possible on the location to be treated. For this purpose, this element, in particular the medicament carrier, should preferably not be dimensionally stable, but must be designed in such a way that it can smoothly abut against the inner wall of the body vessel and is thereby held in place by two support rings, which are close to the body vessel. , between which the medicine carrier is therefore locked up.

In the aforementioned publication WO02 / 076345, already in Fig. 10 thereof, a catheter assembly is indicated with the aid of which such a stent assembly can be placed in a body vessel. According to this proposal, each support ring of the stent assembly 1024396 I - 2 - I is enclosed between two stop elements carried by a catheter body and the whole is surrounded by an outer shield sleeve which can be pulled away in the direction of the proximal end of the catheter body.

Such an assembly works well when the direction in which the outer shielding sleeve is pulled away coincides with the direction of flow of the body fluid, in particular the blood, into the body vessel (in particular a blood vessel), so that the slack sleeve shaped drug carrier is kept stretched by the blood flow. If this is not the case and the direction in which the shielding sleeve is pulled away is opposite to the direction of the flow of the blood, it is possible that the limp drug carrier "clogs up" under the influence of the blood flow before the support rings are expanded and fixed and therefore does not touch the inner wall of the blood vessel smoothly.

The invention has for its object to obviate this drawback and to provide a catheter assembly of the type mentioned in the preamble with which this drawback is obviated. This object is achieved according to the invention in that the shielding sleeve assembly consists of a first distal closure sleeve which can be coupled to the guide wire and which can enclose at least the distal expansion ring of the stent assembly and of a second, proximal confinement casing connecting thereto that can hold the rest of the stent assembly enclosing and cooperating with means operable from outside the body for moving this second confinement housing to the proximal end of the catheter assembly.

With these measures, as will be further elucidated on the basis of the description of the figures, it is achieved that, depending on the direction of flow of the blood relative to the proximal end of the catheter body, the choice is made between first or first release. of the proximal expansion ring by withdrawing the second proximal containment sleeve which then first releases the sheath-shaped element and then the proximal expansion ring followed by moving the guide wire forward thereby carrying the first distal containment sleeve by exerting via the guide wire 35 a pushing force thereon, the distal retaining sleeve then releasing the distal expansion ring, and performing these operations in the reverse direction. In both cases it is ensured that the medication carrier comes to lie smoothly against the inner wall of the blood vessel.

I 1024096 - 3 -

Preferably, the means for moving the second containment sleeve to the proximal end of the catheter assembly is formed by an elongated portion of this sleeve itself.

For the first case described above, the first distal containment sleeve can only enclose the first distal deployment ring of the stent assembly with the second proximal containment sleeve enclosing both the sheath member and the proximal deployment ring.

For the second case, the first distal containment sleeve is longer and encloses both the distal expansion ring and the sleeve-shaped member while the second proximal containment sleeve encloses only the proximal expansion ring of the stent assembly.

In a favorable embodiment, the guide wire and the first distal containment sleeve each support an element of a tension-resistant coupling. Thereby, in use, first the guide wire and then the catheter body is introduced into the blood vessel.

The first element of the coupling is herein preferably formed by a bulge provided with a circumferential groove on the distal end of the guidewire and the second element of this coupling is formed by the elastically yielding, tapering towards the axis of the first, distal screening sleeve end edge of this sleeve.

The requested exclusive rights furthermore comprise a stent assembly to be used in combination with a catheter assembly according to the invention, which stent assembly comprises two spaced apart expandable support rings with an open, diamond-shaped structure, whose facing diamond points are connected to each other by tensile-resistant wires embedded in the surface of a sleeve-shaped element. This sleeve-shaped element can advantageously exert a therapeutic effect and in particular be a medicine carrier.

It is noted that placement catheters for placing stents and provided with a movable protective sheath for a stent to be placed consisting of two halves, one of which is movable in the distal direction while the other half is movable in the proximal direction known from the prior art. to be.

WO95 / 11055 describes such a catheter in which the two halves are shifted by increasing the pressure of the medium which is supplied to the expansion balloon carried by the catheter. Apart from the fact that such operation of the two halves is not reliable, there is no possibility of I - 3a - I shifting one half earlier than the other. Both US202 / 0099402 and US5201757 I describe catheters with a protective sleeve which is divided into two halves and wherein the proximal half can be operated with a puller while the distal half is coupled to a long auxiliary sleeve that runs the length of the The catheter extends and must be pushed to its distal end to operate the distal half of the sheath. This of course increases the thickness of the catheter and reduces its flexibility. Furthermore, in none of these prior art catheters, the body of the catheter is provided with pairs of abutment rings for enclosing the respective two expansion rings which together support the flexible I stent body which with the aid of the catheter according to the invention must be placed.

The invention is explained with reference to the drawing.

In the drawing: Fig. 1 shows diagrammatically in section a blood vessel with a local disorder and the guide wire I of the stent assembly according to the invention introduced up to this disorder; Fig. 2 schematically shows the situation as it should be after placing a stent assembly with support rings I and sleeve-shaped element in this blood vessel, in this case a medicine carrier; Fig. 3 is a side view, partly in section, of a stent assembly with a drug carrier as to be placed with the aid of the catheter assembly according to the invention; Fig. 4 shows a guide wire of a catheter assembly according to the invention; Fig. 5 is a longitudinal section of a complete catheter assembly according to the invention; 6 to 10 show the different phases of placing a stent assembly with a medicament carrier with the aid of the catheter assembly according to the invention; Fig. 11 the stent assembly finally obtained and placed; Fig. 12 is a longitudinal section through a variant of the stent assembly as shown in Fig. 5.

Fig. 1 shows diagrammatically and in longitudinal section a blood vessel 2 with a local disorder 4, for example a stenosis, of which it is desired that it is treated with one or more medicaments, supplied by means of an abutment against the inner wall 2a drug carrier, all in the manner as described in the publication WO002 / 076345 mentioned in the introduction.

FIG. 1 also shows the guidewire 6 of a catheter assembly to be described later, the distal end of which 6a extends beyond the stenosis 4.

FIG. 2 shows the same blood vessel 2, but now with a sleeve-shaped medicament carrier 8 placed at the location of the stenosis 4, held between two support rings 10, 12 which are situated on either side of the stenosis 4 and are supported against the inner wall 2a of the blood vessel 2.

An example of such a stent assembly that is suitable to be placed in the manner described in the introduction with the aid of the catheter assembly according to the invention is shown in Fig. 3. In this stent assembly the support ring indicated in Fig. 2 with reference numeral 10 becomes formed from an expandable ring with open structure 14 made of memory metal (nitinol), while the support ring 12 in Fig. 2 is similarly designed with an open structure and in Fig. 3 is indicated by the reference numeral 16; between the end points of the diamond meshes of these support rings a number of wires 18 are tensioned which are embedded in the surface of the slack, sleeve-shaped drug carrier 21. In the expanded and applied state, the expanded support rings 14, 16 abut against the 102439- I - 5 - inner wall 2a of the blood vessel 2 in the manner of the rings 10 and 12 in this figure and the drug carrier 18 lies smoothly against the inner wall of this blood vessel in the manner as shown for the drug carrier 8 Fig. 2. The support rings 14, 16, after being released, assume their expanded, expanded form.

I A catheter assembly I for placing the above-described stent assembly will be explained with reference to FIGS. 4 to 2. It is noted here that the body vessel into which this catheter assembly is introduced is shown for the sake of clarity only in Figs.

FIG. 4 shows the end of the guide wire 20, the distal end of which 22 bears a thickened portion 24 which is provided with two surfaces 26a, 26b sloping upwardly from the guide wire 20 and the groove 28 located between them. a catheter body 30 slid in the usual manner, the distal end of which is formed and with a first pair of distal stop rings 32a, 32b and a second pair of proximal stop rings 34a, 34b. Enclosed between the first pair of abutment rings 32a, 32b is the compressed, first and distal expansion ring 14, while between the second pair of abutment rings 34a, 34b is enclosed the second proximal expansion ring 16. The drug carrier 21 is located between these rings - compare fig. 3.

The distal expandable support ring 14 enclosed between the abutment rings 32a and 32b is enclosed by a first retaining sleeve 36 with a slightly resilient distal end edge 38 turned into its axis and which can snap into the circumferential groove 28 in the thickening 24 while the still-rolled, sleeve-shaped drug carrier 21, the second pair of stop rings 34a, 34b, and the second expandable support ring 16 are enclosed by a second lock sleeve 38, the distal end 40 of which connects to the proximal end 42 of the lock-up sleeve 36 and the proximal end 44 of which either extends beyond the body H or is provided with an extension element H extended beyond the body and thus operable from outside the body.

H FIG. 6 shows how, by sliding the catheter body 30 H in the direction of the arrow 46, i.e. towards the distal end 22 of the guide wire 20, the inwardly turned edge 38 snaps into the circumferential H groove 28. Thus, the first, distal retaining sleeve 36 anchored to the distal end 22 of the guide wire 20. The first distal containment sleeve H 36 now still encloses the first distal expansion ring 14 and the second proximal long containment sleeve 38 encloses the still-rolled-up medicine carrier and the second proximal expansion ring 16.

It is assumed that the blood flow in the blood vessel 2e in the figure from left to right, i.e. in the direction of the wavy arrow 48, from the distal end of the catheter assembly to the proximal end thereof. While keeping the guidewire in place and therefore also the first retaining sleeve 36 in place, the second proximal retaining sleeve 38 is retracted over the catheter body 30 in the direction of the arrow 50 in FIG. Then first the slack drug carrier 21 is released and then the proximal expansion ring 16 - see Figs. 7 and 8. The drug carrier 21 unfolds but is held tight by the blood flow running in the direction of the arrow 48 - also during the phase of the expansion of the proximal expansion ring 16 and its distal end 21a fixed to the expansion ring 16 abuts well against the inner wall of the blood vessel 2.

Then, while keeping the catheter body 30 stationary, the guidewire 20 is moved through this catheter body towards the distal end, i.e. in the direction of the arrow 46, the situation according to Figs. 9 and 10, thus the situation, arises. wherein first the drug carrier 21 is released in its entirety and then the first distal expansion ring 14 is released. This ultimately results in the situation according to Fig. 10 in which the two expansion rings 14 and 16 are fully expanded and the medicament carrier 21 is tightly tensioned between them. Withdrawal of the catheter body 30 with the guide wire 20 ultimately results in the situation according to Fig. 11, in which the stent assembly consisting of the support rings 14 and 16 and the medication carrier 21 situated between them is fixedly anchored in the blood vessel 2, which for the sake of simplicity and schematically is substantially cylindrical is signed.

FIG. 12 shows an embodiment of the catheter assembly wherein the first distal confinement sheath 36a is longer and encloses both the first distal adjustable support ring 14 and the drug carrier 21; the second proximal retaining sleeve 38a is shorter and all encloses the proximal expandable support ring 16. First, the longer, distal retaining sleeve 36a will be slid, so that first the distal expandable support ring 14 can expand and only then the proximal expandable support ring 16. This embodiment will when the direction of flow of the blood is in the direction of the arrow 48a, 1024396 I -τ- Ι is thus used in Fig. 12 from right to left. Because now the proximal end I of the drug carrier 21 is last released, the "congestion effect" will not occur.

It is noted that if the shape and configuration of a body vessel permit, the guidewire may be permanently attached to the first containment sleeve so that the entire catheter assembly can be inserted in one operation.

It is further pointed out that the invention is not limited to the use of a sleeve-shaped element specifically configured as a medicine carrier.

I 0 2 4 0 9 6

Claims (9)

1. Catheter assembly for placing a stent assembly in a body vessel with two spaced apart expandable support rings and a sleeve-shaped element therebetween and comprising a guide wire, a catheter body which surrounds it, tubular, carrying the stent assembly, and which is attached to the distal end carries two pairs of stop elements between each of which one of the two expandable support rings of this stent assembly is enclosed and a shielding sleeve assembly enclosing this whole, characterized in that the shielding sleeve assembly consists of a first, distal retaining sleeve which can be coupled to the guide wire and which has at least the distal can enclose an expansion ring of the stent assembly, and from a second proximal confinement sheath adjoining it which can enclose the rest of the stent assembly and cooperate with body-operable means for moving this second confinement sleeve to the proximal end of the catheter assembly.
2. Catheter assembly according to claim 1, characterized in that the means for moving the second containment sleeve to the proximal end of the catheter assembly are formed by an elongated portion of this second sleeve itself.
A catheter assembly according to claim 1-2, characterized in that the first distal containment sleeve encloses the distal expansion ring of the stent assembly, and the second proximal containment sleeve encloses its sleeve-shaped element and the proximal expansion ring.
A catheter assembly according to claim 2, characterized in that the first distal containment sleeve encloses the distal expansion ring and the sleeve-shaped element and the second proximal containment sleeve encloses the proximal expansion ring of the stent assembly.
5. Catheter assembly as claimed in claims 1-5, characterized in that the guide wire and the first distal containment sleeve each bear an element of a tension-resistant coupling.
6. Catheter assembly as claimed in claim 5, characterized in that the first element of the coupling is formed by a peripheral groove on the distal end of the guide wire, and the second element of this coupling is formed by the elastic yielding end edge of this sleeve tapering towards the center line of the first distal screening sleeve. 1 0 2 4 o 9 6 * # - 9 -
7. Stent assembly to be used in combination with a catheter assembly as claimed in one or more of the claims 1-6, comprising two spaced apart expandable support rings with an open, diamond-shaped structure of which facing diamond points face each other are connected by tension-resistant wires embedded in the surface of a sleeve-shaped element.
Stent assembly according to claim 7, characterized in that the sleeve-shaped element can exert a therapeutic effect.
9. Stent assembly according to claim 8, characterized in that the sleeve-shaped element is a medicament carrier. I 1024396
NL1024396A 2003-09-29 2003-09-29 Catheter for implantable medicine carrier. NL1024396C2 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
NL1024396A NL1024396C2 (en) 2003-09-29 2003-09-29 Catheter for implantable medicine carrier.
NL1024396 2003-09-29

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NL1024396A NL1024396C2 (en) 2003-09-29 2003-09-29 Catheter for implantable medicine carrier.
PCT/NL2004/000633 WO2005030093A1 (en) 2003-09-29 2004-09-14 Catheter for implantable medicament carrier

Publications (1)

Publication Number Publication Date
NL1024396C2 true NL1024396C2 (en) 2005-03-31

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Application Number Title Priority Date Filing Date
NL1024396A NL1024396C2 (en) 2003-09-29 2003-09-29 Catheter for implantable medicine carrier.

Country Status (2)

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NL (1) NL1024396C2 (en)
WO (1) WO2005030093A1 (en)

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US8273101B2 (en) 2005-05-25 2012-09-25 Tyco Healthcare Group Lp System and method for delivering and deploying an occluding device within a vessel
CN101180006B (en) 2005-05-25 2010-09-22 切斯纳特医药技术公司 System and method for delivering and deploying and occluding device within a vessel
US9468746B2 (en) * 2006-08-22 2016-10-18 Medtronic Vascular, Inc. Systems and methods for local bioactive material delivery
US9675482B2 (en) 2008-05-13 2017-06-13 Covidien Lp Braid implant delivery systems
GB2469824B (en) 2009-04-28 2011-08-03 Cook William Europ Introducer assembly and method of manufacturing an introducer assembly
US8864811B2 (en) * 2010-06-08 2014-10-21 Veniti, Inc. Bi-directional stent delivery system
US9301864B2 (en) 2010-06-08 2016-04-05 Veniti, Inc. Bi-directional stent delivery system
ES2601832T3 (en) * 2010-09-24 2017-02-16 Symetis Sa Stent valve and carrier
US9155647B2 (en) 2012-07-18 2015-10-13 Covidien Lp Methods and apparatus for luminal stenting
CN102764165B (en) * 2012-08-13 2015-01-07 宁波健世生物科技有限公司 Percutaneous aorta or aorta valve stent conveying system
CN103083122B (en) * 2013-01-21 2015-11-04 北京华脉泰科医疗器械有限公司 A kind of fixture of overlay film frame
CN103126739B (en) * 2013-01-31 2016-05-04 北京华脉泰科医疗器械有限公司 A kind of conveying device of overlay film frame

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US5201757A (en) * 1992-04-03 1993-04-13 Schneider (Usa) Inc. Medial region deployment of radially self-expanding stents
WO1995011055A1 (en) * 1993-10-22 1995-04-27 Scimed Lifesystems, Inc. Improved stent delivery apparatus and method
WO2001082831A2 (en) * 2000-04-28 2001-11-08 Advanced Cardiovascular Systems, Inc. System and device for minimizing embolic risk during an interventional procedure
US20020099405A1 (en) * 1992-12-30 2002-07-25 Yurek Matthew T. Apparatus for deploying body implantable stents
WO2002076345A1 (en) 2001-03-22 2002-10-03 Hendrik Glastra Implant assembly with therapeutic action

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1991012779A1 (en) 1990-02-28 1991-09-05 Medtronic, Inc. Intralumenal drug eluting prosthesis
US5201757A (en) * 1992-04-03 1993-04-13 Schneider (Usa) Inc. Medial region deployment of radially self-expanding stents
US20020099405A1 (en) * 1992-12-30 2002-07-25 Yurek Matthew T. Apparatus for deploying body implantable stents
WO1995011055A1 (en) * 1993-10-22 1995-04-27 Scimed Lifesystems, Inc. Improved stent delivery apparatus and method
WO2001082831A2 (en) * 2000-04-28 2001-11-08 Advanced Cardiovascular Systems, Inc. System and device for minimizing embolic risk during an interventional procedure
WO2002076345A1 (en) 2001-03-22 2002-10-03 Hendrik Glastra Implant assembly with therapeutic action

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2574316A3 (en) * 2011-09-30 2013-12-04 Cordis Corporation Edgeless unions of concentric members

Also Published As

Publication number Publication date
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