US20020010476A1 - Catheter with an expandable end portion - Google Patents
Catheter with an expandable end portion Download PDFInfo
- Publication number
- US20020010476A1 US20020010476A1 US09/915,135 US91513501A US2002010476A1 US 20020010476 A1 US20020010476 A1 US 20020010476A1 US 91513501 A US91513501 A US 91513501A US 2002010476 A1 US2002010476 A1 US 2002010476A1
- Authority
- US
- United States
- Prior art keywords
- tip
- catheter
- tube portion
- catheter tube
- article
- 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.)
- Abandoned
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Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M25/00—Catheters; Hollow probes
- A61M25/0067—Catheters; Hollow probes characterised by the distal end, e.g. tips
- A61M25/0068—Static characteristics of the catheter tip, e.g. shape, atraumatic tip, curved tip or tip structure
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/22—Implements for squeezing-off ulcers or the like on the inside of inner organs of the body; Implements for scraping-out cavities of body organs, e.g. bones; Calculus removers; Calculus smashing apparatus; Apparatus for removing obstructions in blood vessels, not otherwise provided for
- A61B17/22031—Gripping instruments, e.g. forceps, for removing or smashing calculi
-
- 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
- A61F2/95—Instruments specially adapted for placement or removal of stents or stent-grafts
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M25/00—Catheters; Hollow probes
- A61M25/0067—Catheters; Hollow probes characterised by the distal end, e.g. tips
- A61M25/0074—Dynamic characteristics of the catheter tip, e.g. openable, closable, expandable or deformable
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M25/00—Catheters; Hollow probes
- A61M25/0067—Catheters; Hollow probes characterised by the distal end, e.g. tips
- A61M25/008—Strength or flexibility characteristics of the catheter tip
-
- 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
- A61F2/011—Instruments for their placement or removal
-
- 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
- A61F2/95—Instruments specially adapted for placement or removal of stents or stent-grafts
- A61F2002/9528—Instruments specially adapted for placement or removal of stents or stent-grafts for retrieval of stents
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M25/00—Catheters; Hollow probes
- A61M25/0067—Catheters; Hollow probes characterised by the distal end, e.g. tips
- A61M25/008—Strength or flexibility characteristics of the catheter tip
- A61M2025/0081—Soft tip
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T403/00—Joints and connections
- Y10T403/32—Articulated members
- Y10T403/32008—Plural distinct articulation axes
- Y10T403/32032—Plural ball and socket
Definitions
- the present invention is directed to a catheter, for example a retrieval or delivery catheter used in medical applications, which has an expandable end portion.
- Catheters are well known medical devices used to facilitate various medical procedures, such as diagnostic or delivery procedures.
- Catheter tubes are inserted into a body of a patient for various medical procedures.
- a catheter may be used in performing diagnostic procedures such as removing a sample from a body site of a patient.
- the catheter tube is used in this situation as the delivery vehicle for the medical instrument which removes the sample.
- sophisticated medical implant devices such as filters and stents, can be delivered and retrieved into and from the body site of the patient using a catheter.
- a catheter has a tube portion which is relatively stiff in both axial and radial directions to allow proper placement of the catheter in the patient's body, but which may be fitted with a distal soft tip which first contacts tissues in the patient.
- the soft tip is provided to minimise discomfort for the patient when the catheter is inserted into the patient.
- WO-A-9808562 A describes a catheter with an insert molded catheter tip.
- one object of the present invention is to provide a novel catheter which can be used to retrieve larger objects and deliver and retrieve larger medical devices than in the background art.
- a further object of the present invention is to provide a novel catheter which can accommodate an article with a slightly larger dimension than that of a main catheter tube itself.
- the novel catheter of the present invention achieves these and other objects by including a portion near a distal tip end which is expandable in size in a radial direction to accommodate larger size samples or medical devices.
- the catheter includes reinforcement means to enhance the axial strength of the tip while facilitating radial expansion of the tip to accommodate an article.
- novel catheter of the present invention can further include reinforcing portions in the expandable portion to enhance strength in the axial direction, while still allowing expansion in the radial direction.
- the tip is a soft tip of flexible material.
- the reinforcement means comprises an extension means extending from the catheter tube portion.
- the tip includes a free distal end and the extension means terminates at a position that is axially spaced back from the free end of the tip.
- the extension means comprises at least one extension member extending from said catheter tube portion into said expandable tip.
- the extension means comprises a plurality of extension members extending from said catheter tube portion into said expandable tip.
- said at least one extension member is tapered toward a leading portion of said expandable tip.
- Axial reinforcement and radial expansion is facilitated particularly when said plurality of extension members are equi-spaced in the direction of said expandable member.
- said plurality of extension members are tapered toward a leading portion of said expandable member.
- the number of said plurality of extension members is four.
- said at least one extension member includes a radiused tip.
- said plurality of extension members each include a radiused tip.
- the tip has a free end which is rounded.
- the tip has a free end which is rounded for ease of passage of the tip through a body passageway such as the vasculature.
- the tip comprises a tubular sleeve of flexible material.
- the sleeve is attached to the catheter tube portion by heating.
- the tip has an outer diameter which is approximately the same dimension as the outer diameter of the catheter tube portion.
- the invention provides a retrieval catheter for retrieving an article such as a filter comprising a catheter tube portion and a tip extending axially from the catheter tube portion, the tip being flexible relative to the catheter tube portion, characterised in that the catheter includes reinforcement means to enhance the axial strength of the tip while facilitating radial expansion of the tip to accommodate an article in the tip.
- the article to be retrieved has a larger dimension then that of the normal internal dimension of the tip.
- the tip is movable from a delivery configuration in which the outer diameter of the tip is approximately of the same dimension as the outer diameter of the catheter portion to which it is attached, to an expandable position as an article is received in the tip.
- the tip is progressively movable to the expanded position in response to receiving an article in the tip.
- the invention also provides a catheter tube portion having a tip extending axially from the catheter tube portion, in which the catheter tube portion includes reinforcement means to enhance the axial strength of the tip while facilitating radial expansion of the tip to accommodate an article in the tip.
- FIG. 1 is an overall view of the novel catheter of the present invention used with an introducer
- FIG. 2 shows a more detailed view of a tip portion of the catheter of FIG. 1;
- FIGS. 3 ( a ) and 3 ( b ) are cross sectional views of the tip portion of the catheter on the lines IIIa-IIIa and IIIb-IIIb respectively of FIG. 2;
- FIG. 4( a ) is an exploded view of the tip portion of the catheter of the present invention.
- FIG. 4( b ) is a cross sectional view on an enlarged scale of a distal end of the tip portion of the catheter;
- FIGS. 5 ( a ) to 5 ( d ) are diagrammatic views showing one operation of the catheter.
- FIG. 6 is a scale drawing, as an example, of an actual implementation of the novel catheter of the present invention.
- the overall device 1 is an introducer, e.g. a percutaneous introducer, with a catheter portion 2 .
- FIG. 1 illustrates the catheter portion 2 according to the present invention, for example a retrieval catheter, which is attached to an introducer having a hub portion 20 and a side lead tube 21 which leads into the hub portion 20 .
- a medical instrument to be inserted into a patient is placed through the hub portion 20 .
- This medical instrument placed through the hub portion 20 may be, as examples, a retrieval element to retrieve a sample, a clot or previously inserted medical device such as a stent or filter from a patient's body, or a delivery element to deliver a medical device to a patient's body.
- the catheter 2 may also be used to deliver or retrieve another catheter.
- the catheter portion 2 of FIG. 1 includes a catheter tube portion 5 which is relatively rigid in both the axial and radial directions to facilitate delivery of the catheter tube portion 5 through a lumen. That is, the catheter tube portion 5 is a portion actually inserted into the patient.
- the catheter portion 2 of the present invention further includes an expandable soft tip portion 6 with a distal tip area 6 a .
- the expandable tip 6 is in the form of a sleeve which has an outer diameter which is nominally the same as the outer diameter of the catheter tube portion 5 .
- the distal soft tip area 6 a initially contacts tissues of the patient as the catheter tube portion 5 is inserted into the patient, and minimises discomfort in the patient by virtue of its softness.
- the expandable soft tip portion 6 is flexible in both the axial and radial directions, and particularly is expandable in the radial direction.
- This expandable tip portion 6 may be made of a radiopaque or non-radiopaque material. Examples of materials for the expandable tip portion 6 include PEBA (polyether block polyamide), nylon, polyurethane or polyethylene.
- FIGS. 2, 3 and 4 provide further details of the catheter portion 2 including the expandable soft portion 6 .
- the catheter portion 2 includes extension legs 10 formed inside of the expandable portion 6 . That is, the catheter tube portion 5 is processed to form extension legs 10 at the leading edge of the catheter tube portion 5 .
- the extension legs 10 can be formed in the catheter tube portion 5 by, for example, cutting catheter tube portion 5 using a punch and die set with a profile to achieve a desired taper in the extension legs 10 .
- the extension legs 10 provide a reinforcement in the axial direction of the expandable portion 6 over their length to enhance the strength of expandable portion 6 in the axial direction, while still providing expansion in the radial direction. In the embodiment shown in FIGS.
- extension legs 10 are equi-spaced around the expandable portion 6 to provide support in the axial direction and uniform flexibility in the radial direction. These extension legs 10 are tapered towards the free end of the expandable portion 6 to provide a gradually increasing controlled axial flexibility to allow the catheter tube portion 5 to be comfortably guided into the patient.
- the expandable portion 6 which as noted above can be formed of a radiopaque or non-radiopaque material such as PEBA, nylon, polyurethane or polyethylene, can be secured to the main catheter tube portion 5 by heating such as by RF (radio frequency) welding the expandable portion 6 to the main catheter tube portion 5 . On heating, the extension legs 10 merge into the expandable portion 6 .
- RF radio frequency
- the expandable soft portion 6 extends distally beyond the axial extent of the extension legs 10 to provide the distal soft tip 6 a which is not axially reinforced.
- the soft tip 6 a has a free end that is rounded internally at 23 for ease of passage of an article 3 , and is also rounded externally at 24 for ease of atraumatic passage of the tip through a body passageway such as the vasculature.
- FIG. 6 shows an actual implementation of the catheter portion 2 in the present invention.
- Element 12 shows distal tips of the extension legs 10
- element 13 shows proximal tips of the extension legs 10 , which tips 12 , 13 can be radiused. That is, the tips 12 , 13 of the extension legs 10 can be rounded to prevent creating a sharp edge, and thereby generating a weak point in the soft tip area 6 a or the expandable portion 6 . Generating a weak point in the expandable portion 6 could result in a tear in the soft tip, and if the tips 12 , 13 of the extension legs 10 are radiused such a weak point and resulting tear may be prevented.
- Typical dimensions in millimeters are as follows: 1 1 18.00 ⁇ 1.50 1 2 15.00 ⁇ 0.25 1 3 0.70
- FIGS. 5 ( a ) to 5 ( d ) show the catheter 2 of the present invention in use as a retrieval catheter as an example of one use of catheter 2 .
- an article 3 for retrieval for example a sample or clot within a patient or a medical device such as a stent or filter previously inserted in the patient, is approached by the catheter tube portion 5 .
- a retrieval device may be inserted in the introducer 1 and through the hub 20 , through the catheter tube portion 5 , and then through the expandable portion 6 , to contact the sample 3 .
- the article 3 especially when in the form of a medical device such as a filter, may be attached, on introduction, to a guide wire 11 as shown in FIG. 5( a ). Th retrieval device then retrieves the article 3 into the expandable portion 6 of the catheter portion 2 as shown in FIGS. 5 ( b ) to 5 ( d ).
- the article 3 is first pulled back by pulling the guide wire and engages the distal tip 6 a which is not reinforced and expands radially to receive the proximal end of the article 3 .
- the expandable portion 6 expands radially outwardly.
- the expandable portion 6 is gradually axially reinforced by the extension legs 10 to smooth the capture of the article 3 .
- This expandable portion 6 extending axially from the catheter tube portion 5 is flexible relative to the catheter tube portion 5 .
- the catheter portion includes reinforcement means to enhance the axial strength of the expandable portion 6 while facilitating radial expansion of the tip to accommodate an article 3 in the expandable portion 6 .
- the tip expands to accommodate the article 3 .
- the extension legs 10 provide some support in the axial direction, but still allow expansion in the radial direction, to thereby allow expandable portion 6 to expand to allow the article 3 to be drawn into the expandable portion 6 .
- the catheter tube portion 5 can then be removed from the patient with the article 3 housed therein.
- this operation in the present invention allows a sample or device 3 which may be larger than the catheter tube-portion 5 to be retrieved from a patient.
- a medical device which may be larger than the catheter tube portion 5 can also be delivered to a patient in a similar manner.
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Biomedical Technology (AREA)
- Engineering & Computer Science (AREA)
- General Health & Medical Sciences (AREA)
- Heart & Thoracic Surgery (AREA)
- Animal Behavior & Ethology (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Hematology (AREA)
- Anesthesiology (AREA)
- Pulmonology (AREA)
- Biophysics (AREA)
- Vascular Medicine (AREA)
- Surgery (AREA)
- Cardiology (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Transplantation (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Molecular Biology (AREA)
- Medical Informatics (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Media Introduction/Drainage Providing Device (AREA)
- Surgical Instruments (AREA)
- Prostheses (AREA)
- Materials For Medical Uses (AREA)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/383,254 US7094243B2 (en) | 1999-01-28 | 2003-03-07 | Catheter with an expandable end portion |
US11/480,473 US7837692B2 (en) | 1999-01-28 | 2006-07-05 | Catheter with an expandable end portion |
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IE990058 | 1999-01-28 | ||
IE990058 | 1999-01-28 | ||
PCT/IE2000/000011 WO2000044428A1 (fr) | 1999-01-28 | 2000-01-28 | Catheter avec partie d'extremite extensible |
Related Parent Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/IE2000/000011 Continuation WO2000044428A1 (fr) | 1999-01-28 | 2000-01-28 | Catheter avec partie d'extremite extensible |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US10/383,254 Continuation US7094243B2 (en) | 1999-01-28 | 2003-03-07 | Catheter with an expandable end portion |
Publications (1)
Publication Number | Publication Date |
---|---|
US20020010476A1 true US20020010476A1 (en) | 2002-01-24 |
Family
ID=11041989
Family Applications (3)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US09/915,135 Abandoned US20020010476A1 (en) | 1999-01-28 | 2001-07-26 | Catheter with an expandable end portion |
US10/383,254 Expired - Fee Related US7094243B2 (en) | 1999-01-28 | 2003-03-07 | Catheter with an expandable end portion |
US11/480,473 Expired - Fee Related US7837692B2 (en) | 1999-01-28 | 2006-07-05 | Catheter with an expandable end portion |
Family Applications After (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US10/383,254 Expired - Fee Related US7094243B2 (en) | 1999-01-28 | 2003-03-07 | Catheter with an expandable end portion |
US11/480,473 Expired - Fee Related US7837692B2 (en) | 1999-01-28 | 2006-07-05 | Catheter with an expandable end portion |
Country Status (6)
Country | Link |
---|---|
US (3) | US20020010476A1 (fr) |
EP (1) | EP1144037B1 (fr) |
AT (1) | ATE432729T1 (fr) |
AU (1) | AU2315500A (fr) |
DE (1) | DE60042316D1 (fr) |
WO (1) | WO2000044428A1 (fr) |
Cited By (39)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20040019322A1 (en) * | 2002-07-23 | 2004-01-29 | Hoffmann Gerard Von | Intracranial aspiration catheter |
US20050124937A1 (en) * | 2003-12-05 | 2005-06-09 | Kick George F. | Expandable percutaneous sheath |
US20050125021A1 (en) * | 2003-12-05 | 2005-06-09 | Nance Edward J. | Expandable percutaneous sheath |
US6979343B2 (en) | 2001-02-14 | 2005-12-27 | Ev3 Inc. | Rolled tip recovery catheter |
US20060036276A1 (en) * | 2002-07-02 | 2006-02-16 | Sdgi Holdings, Inc. | Expandable percutaneous sheath |
US20060041270A1 (en) * | 2004-05-07 | 2006-02-23 | Jay Lenker | Medical access sheath |
US20060052750A1 (en) * | 2004-09-09 | 2006-03-09 | Jay Lenker | Expandable transluminal sheath |
US20060135981A1 (en) * | 2004-09-09 | 2006-06-22 | Jay Lenker | Expandable transluminal sheath |
US20060135962A1 (en) * | 2004-09-09 | 2006-06-22 | Kick George F | Expandable trans-septal sheath |
US20060253102A1 (en) * | 2004-12-21 | 2006-11-09 | Nance Edward J | Non-expandable transluminal access sheath |
US20060259061A1 (en) * | 2005-04-22 | 2006-11-16 | Kick George F | Expandable sheath for percutaneous upper gastrointestinal tract access |
US20060287669A1 (en) * | 2001-04-17 | 2006-12-21 | Salviac Limited | Catheter |
US20060293696A1 (en) * | 2005-04-18 | 2006-12-28 | Salviac Limited | Retrieval catheter |
US20070021768A1 (en) * | 2005-06-03 | 2007-01-25 | Nance Edward J | Expandable percutaneous sheath |
US20070060943A1 (en) * | 2003-10-13 | 2007-03-15 | C.R.Bard, Inc. | Retrieval catheter |
US20070213672A1 (en) * | 2006-03-09 | 2007-09-13 | Nippon Sherwood Medical Industries Ltd. | Medical Tube Set |
US20070282370A1 (en) * | 2002-05-13 | 2007-12-06 | Salviac Limited | Embolic protection system |
US20090138037A1 (en) * | 2007-10-27 | 2009-05-28 | Salviac Limited | Strain limiting tether for a catheter |
US20090216244A1 (en) * | 2004-11-30 | 2009-08-27 | Joel Pynson | Two Stage Plunger for Intraocular Lens Injector |
US20090299261A1 (en) * | 2008-06-03 | 2009-12-03 | Istvan Bognar | Expandable Catheters and Methods Relating Thereto |
US20100114017A1 (en) * | 2002-07-23 | 2010-05-06 | Reverse Medical Corporation | Systems and methods for removing obstructive matter from body lumens and treating vascular defects |
US20100125278A1 (en) * | 2008-11-19 | 2010-05-20 | Wagner Christopher E | Hard and Soft Tip Intraocular Lens Injector System and Method |
US20100241155A1 (en) * | 2009-03-20 | 2010-09-23 | Acclarent, Inc. | Guide system with suction |
US20160348259A1 (en) * | 2013-12-17 | 2016-12-01 | Umicore Galvanotechnik Gmbh | Deposition of copper-tin and copper-tin-zinc alloys from an electrolyte |
US20170333687A1 (en) * | 2016-05-19 | 2017-11-23 | Timothy Murphy | Medical drainage catheter with break-away tip and extraluminal retention apparatus |
US9827404B2 (en) | 2006-12-20 | 2017-11-28 | Onset Medical Corporation | Expandable trans-septal sheath |
US20180036156A1 (en) * | 2015-07-19 | 2018-02-08 | Sanford Health | Universal Catheter Tip and Methods for Use |
US9949816B2 (en) | 2013-06-14 | 2018-04-24 | Avantec Vascular Corporation | IVC filter retrieval systems with multiple capture modes |
WO2018169959A1 (fr) * | 2017-03-13 | 2018-09-20 | The Regents Of The University Of California | Système de cathéter de calibre réglable |
US10278804B2 (en) | 2014-12-12 | 2019-05-07 | Avantec Vascular Corporation | IVC filter retrieval systems with releasable capture feature |
US10314634B2 (en) | 2014-11-04 | 2019-06-11 | Avantec Vascular Corporation | Catheter device with longitudinally expanding interior components for compressing cancellous bone |
US10786260B2 (en) | 2016-12-07 | 2020-09-29 | Boston Scientific Scimed, Inc. | Medical device |
US10856962B2 (en) | 2014-12-12 | 2020-12-08 | Avantec Vascular Corporation | IVC filter retrieval systems with interposed support members |
US10874499B2 (en) | 2016-12-22 | 2020-12-29 | Avantec Vascular Corporation | Systems, devices, and methods for retrieval systems having a tether |
US11065093B2 (en) * | 2015-01-23 | 2021-07-20 | Spinal Singularity, Inc. | Catheter mating devices |
US11510765B2 (en) | 2015-01-23 | 2022-11-29 | Spinal Singularity, Inc. | Extended-use catheters |
US11628271B2 (en) | 2019-06-10 | 2023-04-18 | Spinal Singularity, Inc. | Urinary catheter |
US11833025B2 (en) | 2018-06-29 | 2023-12-05 | Avantec Vascular Corporation | Systems and methods for implants and deployment devices |
US11839535B2 (en) | 2015-01-23 | 2023-12-12 | Spinal Singularity, Inc. | Bladder management systems |
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ATE382309T1 (de) | 1997-11-07 | 2008-01-15 | Salviac Ltd | Embolieschutzvorrichtung |
DE60045006D1 (de) * | 1999-08-12 | 2010-11-04 | Salviac Ltd | Medizinische fassvorrichtung |
US6575997B1 (en) | 1999-12-23 | 2003-06-10 | Endovascular Technologies, Inc. | Embolic basket |
US6660021B1 (en) | 1999-12-23 | 2003-12-09 | Advanced Cardiovascular Systems, Inc. | Intravascular device and system |
US6402771B1 (en) | 1999-12-23 | 2002-06-11 | Guidant Endovascular Solutions | Snare |
US6695813B1 (en) | 1999-12-30 | 2004-02-24 | Advanced Cardiovascular Systems, Inc. | Embolic protection devices |
US7918820B2 (en) | 1999-12-30 | 2011-04-05 | Advanced Cardiovascular Systems, Inc. | Device for, and method of, blocking emboli in vessels such as blood arteries |
US6964670B1 (en) | 2000-07-13 | 2005-11-15 | Advanced Cardiovascular Systems, Inc. | Embolic protection guide wire |
US6506203B1 (en) | 2000-12-19 | 2003-01-14 | Advanced Cardiovascular Systems, Inc. | Low profile sheathless embolic protection system |
US7338510B2 (en) | 2001-06-29 | 2008-03-04 | Advanced Cardiovascular Systems, Inc. | Variable thickness embolic filtering devices and method of manufacturing the same |
US6599307B1 (en) | 2001-06-29 | 2003-07-29 | Advanced Cardiovascular Systems, Inc. | Filter device for embolic protection systems |
US6638294B1 (en) | 2001-08-30 | 2003-10-28 | Advanced Cardiovascular Systems, Inc. | Self furling umbrella frame for carotid filter |
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Also Published As
Publication number | Publication date |
---|---|
ATE432729T1 (de) | 2009-06-15 |
AU2315500A (en) | 2000-08-18 |
US20060264972A1 (en) | 2006-11-23 |
EP1144037A2 (fr) | 2001-10-17 |
EP1144037A3 (fr) | 2002-09-11 |
WO2000044428A1 (fr) | 2000-08-03 |
DE60042316D1 (de) | 2009-07-16 |
US7837692B2 (en) | 2010-11-23 |
WO2000044428A8 (fr) | 2000-11-02 |
US7094243B2 (en) | 2006-08-22 |
US20040073230A1 (en) | 2004-04-15 |
EP1144037B1 (fr) | 2009-06-03 |
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