CA2248226C - Serpentin de capture de caillots - Google Patents
Serpentin de capture de caillots Download PDFInfo
- Publication number
- CA2248226C CA2248226C CA002248226A CA2248226A CA2248226C CA 2248226 C CA2248226 C CA 2248226C CA 002248226 A CA002248226 A CA 002248226A CA 2248226 A CA2248226 A CA 2248226A CA 2248226 C CA2248226 C CA 2248226C
- Authority
- CA
- Canada
- Prior art keywords
- coil
- catheter
- clot
- clot capture
- insertion mandril
- 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 - Fee Related
Links
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- 241000282537 Mandrillus sphinx Species 0.000 claims description 2
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Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods
- A61B17/22—Implements for squeezing-off ulcers or the like on inner organs of the body; Implements for scraping-out cavities of body organs, e.g. bones; for invasive removal or destruction of calculus using mechanical vibrations; for removing obstructions in blood vessels, not otherwise provided for
- A61B17/221—Gripping devices in the form of loops or baskets for gripping calculi or similar types of obstructions
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods
- A61B17/22—Implements for squeezing-off ulcers or the like on inner organs of the body; Implements for scraping-out cavities of body organs, e.g. bones; for invasive removal or destruction of calculus using mechanical vibrations; for removing obstructions in blood vessels, not otherwise provided for
- A61B17/22031—Gripping instruments, e.g. forceps, for removing or smashing calculi
- A61B2017/22034—Gripping instruments, e.g. forceps, for removing or smashing calculi for gripping the obstruction or the tissue part from inside
-
- 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
- A61F2/01—Filters implantable into blood vessels
- A61F2002/016—Filters implantable into blood vessels made from wire-like elements
-
- 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
- A61F2230/0004—Rounded shapes, e.g. with rounded corners
- A61F2230/0006—Rounded shapes, e.g. with rounded corners circular
-
- 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
- A61F2230/0063—Three-dimensional shapes
- A61F2230/0091—Three-dimensional shapes helically-coiled or spirally-coiled, i.e. having a 2-D spiral cross-section
Landscapes
- Health & Medical Sciences (AREA)
- Surgery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Heart & Thoracic Surgery (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Vascular Medicine (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Surgical Instruments (AREA)
Abstract
Cette invention se rapporte à un dispositif d'élimination de caillots et de tout corps étranger, qui comprend un cathéter ayant au moins une lumière. Dans le cathéter est disposé un serpentin de capture de caillots qui est relié à un mandrin d'insertion. Dans un premier mode de réalisation, le serpentin de capture de caillots est fabriqué à partir d'un matériau élastique ou superélastique solide à mémoire de forme, de préférence le nitinol. Grâce à son élasticité ou superélasticité, le serpentin peut se déformer à l'intérieur du cathéter et reprendre ensuite sa configuration d'origine, lorsqu'il est sorti de la lumière du cathéter. Dans un second mode de réalisation, le serpentin est un serpentin à deux phases qui change de forme lorsqu'il est chauffé ou lorsqu'il est traversé par un courant électrique. Une fois établie la configuration du serpentin, celui-ci peut être utilisé pour prendre au piège et extraire à la façon d'un tire-bouchon le caillot hors d'un vaisseau sanguin. On extrait un caillot du vaisseau sanguin en déplaçant le serpentin de capture de caillots et le cathéter dans une direction proximale, jusqu'à ce que le caillot puisse être retiré ou acheminé dans un autre vaisseau qui ne débouche pas dans un organe critique. On capture de la même manière tout corps étranger en déployant le serpentin de façon distale par rapport au corps étranger à extraire et en déplaçant le serpentin de capture de caillots dans une direction proximale, jusqu'à ce que le corps étranger soit piégé à l'intérieur du serpentin. En retirant le dispositif du corps du patient, on retire également le corps étranger.
Applications Claiming Priority (7)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US1107096P | 1996-02-02 | 1996-02-02 | |
| US1871596P | 1996-05-31 | 1996-05-31 | |
| US60/018,715 | 1996-10-02 | ||
| US08/723,619 | 1996-10-02 | ||
| US60/011,070 | 1996-10-02 | ||
| US08/723,619 US5895398A (en) | 1996-02-02 | 1996-10-02 | Method of using a clot capture coil |
| PCT/US1997/001807 WO1997027808A1 (fr) | 1996-02-02 | 1997-01-31 | Serpentin de capture de caillots |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CA2248226A1 CA2248226A1 (fr) | 1997-08-07 |
| CA2248226C true CA2248226C (fr) | 2006-09-26 |
Family
ID=37057086
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA002248226A Expired - Fee Related CA2248226C (fr) | 1996-02-02 | 1997-01-31 | Serpentin de capture de caillots |
Country Status (1)
| Country | Link |
|---|---|
| CA (1) | CA2248226C (fr) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102753106A (zh) * | 2009-12-01 | 2012-10-24 | 戈尔企业控股股份有限公司 | 脉管系统装置 |
-
1997
- 1997-01-31 CA CA002248226A patent/CA2248226C/fr not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102753106A (zh) * | 2009-12-01 | 2012-10-24 | 戈尔企业控股股份有限公司 | 脉管系统装置 |
Also Published As
| Publication number | Publication date |
|---|---|
| CA2248226A1 (fr) | 1997-08-07 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EEER | Examination request | ||
| FZDC | Correction of dead application (reinstatement) | ||
| MKLA | Lapsed |
Effective date: 20170131 |