DE20312113U1 - stent - Google Patents

stent

Info

Publication number
DE20312113U1
DE20312113U1 DE20312113U DE20312113U DE20312113U1 DE 20312113 U1 DE20312113 U1 DE 20312113U1 DE 20312113 U DE20312113 U DE 20312113U DE 20312113 U DE20312113 U DE 20312113U DE 20312113 U1 DE20312113 U1 DE 20312113U1
Authority
DE
Germany
Prior art keywords
stent
struts
stent according
sections
connectors
Prior art date
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.)
Expired - Lifetime
Application number
DE20312113U
Other languages
German (de)
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.)
Merit Medical Systems Inc
Original Assignee
Qualimed Innovative Medizinprodukte GmbH
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 Qualimed Innovative Medizinprodukte GmbH filed Critical Qualimed Innovative Medizinprodukte GmbH
Priority to DE20312113U priority Critical patent/DE20312113U1/en
Publication of DE20312113U1 publication Critical patent/DE20312113U1/en
Priority to DE20318351U priority patent/DE20318351U1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

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
    • A61F2/82—Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
    • A61F2/86—Stents in a form characterised by the wire-like elements; Stents in the form characterised by a net-like or mesh-like structure
    • A61F2/90—Stents in a form characterised by the wire-like elements; Stents in the form characterised by a net-like or mesh-like structure characterised by a net-like or mesh-like structure
    • A61F2/91—Stents in a form characterised by the wire-like elements; Stents in the form characterised by a net-like or mesh-like structure characterised by a net-like or mesh-like structure made from perforated sheet material or tubes, e.g. perforated by laser cuts or etched holes
    • A61F2/915—Stents in a form characterised by the wire-like elements; Stents in the form characterised by a net-like or mesh-like structure characterised by a net-like or mesh-like structure made from perforated sheet material or tubes, e.g. perforated by laser cuts or etched holes with bands having a meander structure, adjacent bands being connected to each other
    • 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
    • A61F2/82—Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
    • A61F2/86—Stents in a form characterised by the wire-like elements; Stents in the form characterised by a net-like or mesh-like structure
    • A61F2/90—Stents in a form characterised by the wire-like elements; Stents in the form characterised by a net-like or mesh-like structure characterised by a net-like or mesh-like structure
    • A61F2/91—Stents in a form characterised by the wire-like elements; Stents in the form characterised by a net-like or mesh-like structure characterised by a net-like or mesh-like structure made from perforated sheet material or tubes, e.g. perforated by laser cuts or etched holes
    • 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
    • A61F2/82—Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
    • A61F2/86—Stents in a form characterised by the wire-like elements; Stents in the form characterised by a net-like or mesh-like structure
    • A61F2/90—Stents in a form characterised by the wire-like elements; Stents in the form characterised by a net-like or mesh-like structure characterised by a net-like or mesh-like structure
    • A61F2/91—Stents in a form characterised by the wire-like elements; Stents in the form characterised by a net-like or mesh-like structure characterised by a net-like or mesh-like structure made from perforated sheet material or tubes, e.g. perforated by laser cuts or etched holes
    • A61F2/915—Stents in a form characterised by the wire-like elements; Stents in the form characterised by a net-like or mesh-like structure characterised by a net-like or mesh-like structure made from perforated sheet material or tubes, e.g. perforated by laser cuts or etched holes with bands having a meander structure, adjacent bands being connected to each other
    • A61F2002/91516—Stents in a form characterised by the wire-like elements; Stents in the form characterised by a net-like or mesh-like structure characterised by a net-like or mesh-like structure made from perforated sheet material or tubes, e.g. perforated by laser cuts or etched holes with bands having a meander structure, adjacent bands being connected to each other the meander having a change in frequency along the band
    • 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
    • A61F2/82—Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
    • A61F2/86—Stents in a form characterised by the wire-like elements; Stents in the form characterised by a net-like or mesh-like structure
    • A61F2/90—Stents in a form characterised by the wire-like elements; Stents in the form characterised by a net-like or mesh-like structure characterised by a net-like or mesh-like structure
    • A61F2/91—Stents in a form characterised by the wire-like elements; Stents in the form characterised by a net-like or mesh-like structure characterised by a net-like or mesh-like structure made from perforated sheet material or tubes, e.g. perforated by laser cuts or etched holes
    • A61F2/915—Stents in a form characterised by the wire-like elements; Stents in the form characterised by a net-like or mesh-like structure characterised by a net-like or mesh-like structure made from perforated sheet material or tubes, e.g. perforated by laser cuts or etched holes with bands having a meander structure, adjacent bands being connected to each other
    • A61F2002/91533—Stents in a form characterised by the wire-like elements; Stents in the form characterised by a net-like or mesh-like structure characterised by a net-like or mesh-like structure made from perforated sheet material or tubes, e.g. perforated by laser cuts or etched holes with bands having a meander structure, adjacent bands being connected to each other characterised by the phase between adjacent bands
    • 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
    • A61F2/82—Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
    • A61F2/86—Stents in a form characterised by the wire-like elements; Stents in the form characterised by a net-like or mesh-like structure
    • A61F2/90—Stents in a form characterised by the wire-like elements; Stents in the form characterised by a net-like or mesh-like structure characterised by a net-like or mesh-like structure
    • A61F2/91—Stents in a form characterised by the wire-like elements; Stents in the form characterised by a net-like or mesh-like structure characterised by a net-like or mesh-like structure made from perforated sheet material or tubes, e.g. perforated by laser cuts or etched holes
    • A61F2/915—Stents in a form characterised by the wire-like elements; Stents in the form characterised by a net-like or mesh-like structure characterised by a net-like or mesh-like structure made from perforated sheet material or tubes, e.g. perforated by laser cuts or etched holes with bands having a meander structure, adjacent bands being connected to each other
    • A61F2002/9155—Adjacent bands being connected to each other
    • A61F2002/91575—Adjacent bands being connected to each other connected peak to trough
    • 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
    • A61F2250/0058—Additional features; Implant or prostheses properties not otherwise provided for
    • A61F2250/0096—Markers and sensors for detecting a position or changes of a position of an implant, e.g. RF sensors, ultrasound markers
    • A61F2250/0098—Markers and sensors for detecting a position or changes of a position of an implant, e.g. RF sensors, ultrasound markers radio-opaque, e.g. radio-opaque markers

Description

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßtThe description text was not recorded electronically

Claims (8)

1. Stent mit einem tubulären Stützgerüst (2), welches von einem Ausgangszu­ stand (A) in einen Stützzustand (S) aufweitbar ist, wobei das Stützgerüst (2) aus mindestens zwei Ringsegmenten (3-6) besteht, die aus sich über Über­ gangsabschnitte (11, 12) wellenförmig endlos aneinanderschließenden Streben (7, 8; 9, 10) gebildet und benachbarte Ringsegmente (3-6) durch Verbinder (13) gekoppelt sind, dadurch gekennzeichnet, dass jeder zweite stirnseitige Übergangsabschnitt (12) an den in Stentlängsachse (L) gesehen endseitigen Ringsegmenten (3; 6) ein gegenüber den benach­ barten Übergangsabschnitten (11) axial vorstehendes verbreitertes Kopf­ ende (18) aufweist, welches einen konvex gerundeten Stirnabschnitt (19) und konkav gerundete Kehlabschnitte (20, 21) zwischen dem Kopfende (18) und den mit dem Kopfende (18) verbundenen Streben (9, 10) besitzt.1. stent with a tubular support frame ( 2 ), which from an initial state (A) in a support state (S) is expandable, wherein the support frame ( 2 ) consists of at least two ring segments ( 3-6 ), which consist of about gangsabschnitte ( 11 , 12 ) undulating endlessly contiguous struts ( 7 , 8 , 9 , 10 ) formed and adjacent ring segments ( 3-6 ) by connectors ( 13 ) are coupled, characterized in that each second end-side transition portion ( 12 ) to the in Stent longitudinal axis (L) seen end annular segments ( 3 ; 6 ) opposite the neigh disclosed transitional sections ( 11 ) axially projecting widened head end ( 18 ) having a convexly rounded end portion ( 19 ) and concave rounded throat portions ( 20 , 21 ) between the Head end ( 18 ) and connected to the head end ( 18 ) struts ( 9 , 10 ) has. 2. Stent nach Anspruch 1, dadurch gekennzeichnet, dass die Kopfenden (18) pilzförmig konfiguriert sind, wobei die konvexen Stirnab­ schnitte (19) und die konkaven Kehlabschnitte (20, 21) durch gerundete Randabschnitte (22, 23) miteinander verbunden sind.2. Stent according to claim 1, characterized in that the head ends ( 18 ) are configured mushroom-shaped, wherein the convex Stirnab sections ( 19 ) and the concave fillet portions ( 20 , 21 ) by rounded edge portions ( 22 , 23 ) are interconnected. 3. Stent nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass die Kehlabschnitte (20, 21) im Ausgangszustand (A) die randseitigen Über­ gangsabschnitte (11) der benachbarten Streben (7, 8) mindestens bereichs­ weise übergreifen.3. Stent according to claim 1 or 2, characterized in that the throat portions ( 20 , 21 ) in the initial state (A), the peripheral side transition sections ( 11 ) of the adjacent struts ( 7 , 8 ) overlap at least area wise. 4. Stent nach einem der Ansprüche 1 bis 3, dadurch gekennzeich­ net, dass an den in Stentlängsachse (L) gesehen endseitigen Ringsegmen­ ten (3, 6) Umlenkelemente (24, 25) für einen das Stützgerüst (2) außen um­ schlingenden Faden angeordnet sind.4. Stent according to one of claims 1 to 3, characterized in that at the stent longitudinal axis (L) seen Endse Ringsegmen th ( 3 , 6 ) deflecting elements ( 24 , 25 ) for a supporting frame ( 2 ) arranged outside around looping thread are. 5. Stent nach einem der Ansprüche 1 bis 4, dadurch gekennzeich­ net, dass jeder Verbinder (13, 13') strebenartig ausgebildet ist und einen im wesentlichen parallel zur Stentlängsachse (l) verlaufenden Longitudina­ labschnitt (14, 14') und einen hierzu quer ausgerichteten U- oder V-förmig konfigurierten Ausgleichsabschnitt (15, 15') aufweist.5. Stent according to one of claims 1 to 4, characterized in that each connector ( 13 , 13 ') is designed like a strut and a substantially parallel to the stent longitudinal axis (L) extending Longitudina labschnitt ( 14 , 14 ') and a transverse thereto aligned U- or V-shaped configured compensating portion ( 15 , 15 '). 6. Stent nach Anspruch 5, dadurch gekennzeichnet, dass die U- förmigen Ausgleichsabschnitte (15, 15') der Verbinder (13, 13') in dem Be­ reich (16) zwischen zwei axial mit Abstand benachbarten Ringsegmenten (3, 4; 4, 5; 5, 6) angeordnet sind.6. The stent of claim 5, characterized in that the U-shaped compensating sections (15, 15 ') of the connector (13, 13') in the loading range (16) axially spaced between two adjacent ring segments (3, 4; 4 , 5 , 5 , 6 ) are arranged. 7. Stent nach einem der Ansprüche 1 bis 6, dadurch gekennzeich­ net, dass die Verbinder (13, 13') sich jeweils von dem Firstbereich (17) zweier Streben (7, 8) eines Ringsegments (4, 5) aus zwischen zwei Streben (7, 8) des benachbarten Ringsegments (3, 4; 5, 6) bis zum Übergangsab­ schnitt (11) dieser Streben (7, 8) erstrecken.7. Stent according to one of claims 1 to 6, characterized in that the connectors ( 13 , 13 ') each of the ridge region ( 17 ) of two struts ( 7 , 8 ) of a ring segment ( 4 , 5 ) of between two struts ( 7 , 8 ) of the adjacent ring segment ( 3 , 4 , 5 , 6 ) to the Übergangsab section ( 11 ) of these struts ( 7 , 8 ) extend. 8. Stent nach einem der Ansprüche 1 bis 7, dadurch gekennzeich­ net, dass die Verbinder (13, 13') axial hintereinander ausgerichtet sind.8. Stent according to one of claims 1 to 7, characterized in that the connectors ( 13 , 13 ') are aligned axially one behind the other.
DE20312113U 2003-08-04 2003-08-04 stent Expired - Lifetime DE20312113U1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
DE20312113U DE20312113U1 (en) 2003-08-04 2003-08-04 stent
DE20318351U DE20318351U1 (en) 2003-08-04 2003-11-27 Medical stent has twin sets of loops in two rows alternating one with the other for insertion to blood vessel

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE20312113U DE20312113U1 (en) 2003-08-04 2003-08-04 stent

Publications (1)

Publication Number Publication Date
DE20312113U1 true DE20312113U1 (en) 2003-09-25

Family

ID=28685696

Family Applications (2)

Application Number Title Priority Date Filing Date
DE20312113U Expired - Lifetime DE20312113U1 (en) 2003-08-04 2003-08-04 stent
DE20318351U Expired - Lifetime DE20318351U1 (en) 2003-08-04 2003-11-27 Medical stent has twin sets of loops in two rows alternating one with the other for insertion to blood vessel

Family Applications After (1)

Application Number Title Priority Date Filing Date
DE20318351U Expired - Lifetime DE20318351U1 (en) 2003-08-04 2003-11-27 Medical stent has twin sets of loops in two rows alternating one with the other for insertion to blood vessel

Country Status (1)

Country Link
DE (2) DE20312113U1 (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2005089672A1 (en) * 2004-03-16 2005-09-29 Alveolus, Inc. Stent
EP1677706A2 (en) * 2003-09-30 2006-07-12 Alveolus Inc. Removable stent
AU2005269663B2 (en) * 2004-07-28 2010-09-23 Cook Medical Technologies Llc Stent with an end member having a lateral extension
US8262721B2 (en) 2005-05-13 2012-09-11 Merit Medical Systems, Inc. Drainage stent and associated method

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1677706A2 (en) * 2003-09-30 2006-07-12 Alveolus Inc. Removable stent
EP1677706A4 (en) * 2003-09-30 2010-12-29 Merit Medical Systems Inc Removable stent
WO2005089672A1 (en) * 2004-03-16 2005-09-29 Alveolus, Inc. Stent
AU2004317383B2 (en) * 2004-03-16 2009-05-14 Alveolus, Inc. Stent
US8652196B2 (en) 2004-03-16 2014-02-18 Merit Medical Systems, Inc. Stent
AU2005269663B2 (en) * 2004-07-28 2010-09-23 Cook Medical Technologies Llc Stent with an end member having a lateral extension
US8262721B2 (en) 2005-05-13 2012-09-11 Merit Medical Systems, Inc. Drainage stent and associated method

Also Published As

Publication number Publication date
DE20318351U1 (en) 2004-02-12

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Legal Events

Date Code Title Description
R207 Utility model specification

Effective date: 20031030

R081 Change of applicant/patentee

Owner name: MERIT MEDICAL SYSTEMS, INC., US

Free format text: FORMER OWNER: QUALIMED INNOVATIVE MEDIZINPRODUKTE GMBH, 21423 WINSEN, DE

Effective date: 20051005

R150 Term of protection extended to 6 years

Effective date: 20070316

R151 Term of protection extended to 8 years

Effective date: 20100224

R152 Term of protection extended to 10 years
R082 Change of representative

Representative=s name: BOCKERMANN, KSOLL, GRIEPENSTROH, DE

Representative=s name: BOCKERMANN, KSOLL, GRIEPENSTROH, 44791 BOCHUM, DE

R152 Term of protection extended to 10 years

Effective date: 20111130

R081 Change of applicant/patentee

Owner name: MERIT MEDICAL SYSTEMS, INC., US

Free format text: FORMER OWNER: ALVEOLUS INC., CHARLOTTE, US

Effective date: 20111206

Owner name: MERIT MEDICAL SYSTEMS, INC., SOUTH JORDAN, US

Free format text: FORMER OWNER: ALVEOLUS INC., CHARLOTTE, N.C., US

Effective date: 20111206

R082 Change of representative

Representative=s name: BOCKERMANN KSOLL GRIEPENSTROH OSTERHOFF, DE

Effective date: 20111206

R079 Amendment of ipc main class

Free format text: PREVIOUS MAIN CLASS: A61F0002060000

Ipc: A61F0002820000

Effective date: 20130103

R071 Expiry of right
R071 Expiry of right