WO2011158410A1 - カテーテル - Google Patents
カテーテル Download PDFInfo
- Publication number
- WO2011158410A1 WO2011158410A1 PCT/JP2011/001769 JP2011001769W WO2011158410A1 WO 2011158410 A1 WO2011158410 A1 WO 2011158410A1 JP 2011001769 W JP2011001769 W JP 2011001769W WO 2011158410 A1 WO2011158410 A1 WO 2011158410A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- catheter
- lumen
- distal
- operation wire
- detent
- Prior art date
Links
Images
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
- A61M25/01—Introducing, guiding, advancing, emplacing or holding catheters
- A61M25/0105—Steering means as part of the catheter or advancing means; Markers for positioning
- A61M25/0133—Tip steering devices
-
- 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
- A61M25/01—Introducing, guiding, advancing, emplacing or holding catheters
- A61M25/09—Guide wires
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
-
- 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
- A61M25/01—Introducing, guiding, advancing, emplacing or holding catheters
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/24—Detecting, measuring or recording bioelectric or biomagnetic signals of the body or parts thereof
- A61B5/25—Bioelectric electrodes therefor
- A61B5/279—Bioelectric electrodes therefor specially adapted for particular uses
- A61B5/28—Bioelectric electrodes therefor specially adapted for particular uses for electrocardiography [ECG]
- A61B5/283—Invasive
- A61B5/287—Holders for multiple electrodes, e.g. electrode catheters for electrophysiological study [EPS]
Definitions
- the present invention relates to a catheter. More specifically, the present invention relates to a catheter capable of easily changing the direction of the vicinity of the distal end inserted into the body cavity by operating the operation portion on the proximal end side arranged outside the body. .
- the orientation of the distal end (tip) of the catheter inserted into the body is the proximal end (proximal end or proximal side) of the catheter placed outside the body. It is deflected by operating the operation unit mounted on the.
- the vicinity of the distal end of the catheter is required to be bendable with a predetermined curve shape.
- the present invention has been made in view of such problems, and an object thereof is to provide a technique capable of improving the operability of the catheter according to a more advanced catheter technique.
- One embodiment of the present invention is a catheter.
- the catheter is inserted through a flexible tubular member having a plurality of lumens formed along the axial direction, and an operating lumen out of the central axis of the tubular member among the plurality of lumens.
- An operation wire connected in the vicinity of the distal end of the tubular member, and a hollow portion having an inner diameter smaller than the inner diameter of the operation lumen is provided between the distal end and the proximal end of the tubular member.
- a detent member provided at a predetermined position on the distal side of the operation wire, the outer diameter being larger than the inner diameter of the hollow portion, and pulling the operation wire.
- the detent member when the manipulation wire is pulled, the detent member functions as an anchor that fixes a position at a predetermined distance from the distal end of the manipulation wire, whereby the radius of curvature of the curved catheter is reduced.
- the radius of curvature of the catheter 2 proximal to the restraining member is smaller than the radius of curvature of the catheter distal to the restraining member.
- the radius of curvature of the tubular member distal to the detent portion may be larger than the curvature radius of the tubular member proximal to the detent portion. Good.
- the restraining members are provided at a plurality of locations between the distal end and the proximal end of the tubular member, and the plurality of detent portions are respectively provided at predetermined locations on the operation wire distal to the corresponding restraining members. May be.
- FIG. 1A and 1B are a side view and a top view of the catheter according to Embodiment 1, respectively.
- FIG. 2 is a cross-sectional view of the catheter according to Embodiment 1 taken along the line AA in FIGS. 1 (A) and 1 (B).
- FIG. 3 is a cross-sectional view of the catheter according to Embodiment 1 taken along the line BB in FIG.
- FIG. 3 is a cross-sectional view taken along the line CC of FIG. 1B in the catheter according to the first embodiment.
- 3 is a cross-sectional perspective view of the vicinity of a restraining member of the catheter according to Embodiment 1.
- FIG. It is sectional drawing which shows the shape of the front-end
- FIG. 2
- the catheter according to Embodiment 1 is an electrode catheter capable of tip deflection operation, for example, diagnosis or treatment of arrhythmia in the heart, in particular, approaching from the inferior vena cava to the coronary sinus and along the inner wall of the coronary sinus It is preferably used in a technique for causing the tip of a curved catheter to reach the right atrium.
- the catheter 2 according to Embodiment 1 has a tip electrode 10 and ring-shaped electrodes 12a and 12b at the distal end of the tubular member 4.
- the tip electrode 10 and the ring-shaped electrodes 12a and 12b are fixed to the tubular member 4 using, for example, an adhesive.
- An operation handle 6 is attached to the proximal end of the tubular member 4. From the handle 6, lead wires of lead wires electrically connected to the tip electrode 10 and the ring electrodes 12a and 12b are drawn out.
- the handle 6 is equipped with a knob 7 for performing a deflection movement operation (swing operation) of the distal end portion of the tubular member 4.
- the tubular member 4 has a hollow structure having a plurality of lumens formed along the axial direction as will be described later.
- the distal end portion of the tubular member 4 is relatively flexible and the proximal end portion of the tubular member 4 is relatively rigid.
- the tubular member 4 includes an inner cylinder member 4a and an outer cylinder member 4b.
- the outer cylinder member 4b is configured by being divided into an outer cylinder member 4b1, an outer cylinder member 4b2, and an outer cylinder member 4b3 in order from the distal side. .
- the outer cylinder member 4b1, the outer cylinder member 4b2, and the outer cylinder member 4b3 have higher flexibility in this order.
- the ranges of Shore D hardness of the outer cylinder member 4b1, the outer cylinder member 4b2, and the outer cylinder member 4b3 are 30 to 63, 45 to 70, and 55 to 82, respectively.
- the main part of the tubular member 4 is made of a synthetic resin such as polyolefin, polyamide, polyether polyamide, or polyurethane.
- the outer diameter of the tubular member 4 is generally about 0.6 to 3 mm.
- the lumen formed in the axial direction of the tubular member 4 has conductors connected to the tip electrode 10 and the ring-shaped electrodes 12a and 12b shown in FIGS. 1A and 1B, respectively. Threaded in an insulated state.
- the tip electrode 10 and the plurality of ring-shaped electrodes 12a and 12b are made of a metal having good thermal conductivity such as aluminum, copper, stainless steel, gold, or platinum. In order to provide a good contrast property for X-rays, the tip electrode 10 and the ring electrodes 12a and 12b are preferably made of platinum or the like.
- the outer diameters of the tip electrode 10 and the ring-shaped electrodes 12a and 12b are not particularly limited, but are preferably about the same as the outer diameter of the tubular member 4, and are usually about 0.5 to 3 mm.
- FIG. 2 is a cross-sectional view taken along the line AA in FIGS. 1 (A) and 1 (B) in the catheter according to the first embodiment.
- 3 is a cross-sectional view taken along line BB of FIG. 1 (A) in the catheter according to Embodiment 1
- FIG. 4 is a cross-sectional view taken along line CC in FIG. 1 (B) of the catheter according to Embodiment 1.
- FIG. 5 is a cross-sectional perspective view of the vicinity of a restraining member of the catheter according to the first embodiment.
- the conducting wire 70 mentioned later in FIG. 5 is abbreviate
- the tubular member 4 includes an inner cylinder member 4a having a plurality of lumens and an outer cylinder member 4b that covers the inner cylinder member 4a.
- the first lumen 20, the second lumen 22, the third lumen 24 and the fourth lumen 26 are formed along the axial direction.
- the first lumen 20 is provided at a position facing the second lumen 22 across the central axis 21 of the tubular member 4. That is, the first lumen 20 is provided at a position shifted from the central axis 21 of the tubular member 4.
- the third lumen 24 is provided at a position facing the fourth lumen 26 across the central axis 21 of the tubular member 4.
- the line connecting the first lumen 20 and the second lumen 22 intersects with the line connecting the third lumen 24 and the fourth lumen 26.
- the diameters of the first lumen 20 and the second lumen 22 are about 0.1R to 0.45R, where R is the diameter of the tubular member 4.
- the diameters of the third lumen 24 and the fourth lumen 26 are about 0.1R to 0.45R, where R is the diameter of the tubular member 4.
- the first lumen 20 is an operation lumen, and an operation wire 40 is slidably inserted into the first lumen 20.
- An anchor 41 having a larger diameter than the operation wire 40 is formed at the distal end of the operation wire 40.
- the proximal end of the operation wire 40 is connected to a knob 7 shown in FIGS. 1 (A) and 1 (B).
- a recess 50 is formed inside the tip electrode 10.
- the recess 50 is filled with solder 60.
- the distal end of the operation wire 40 is embedded in the solder 50 and fixed to the solder 60 and the tip electrode 10, thereby being connected to the vicinity of the distal end of the tubular member 4. Further, as described above, the proximal end of the operation wire 40 is fixed to the knob 7 of the handle 6. Accordingly, by operating the knob 7 shown in FIGS. 1 (A) and 1 (B), the operation wire 40 is pulled, and the distal end of the catheter 2 is necked in the direction of the arrow X in FIG. 1 (B). Swing deflection is possible.
- the anchor 41 is provided at the distal end of the operation wire 40, the distal end of the operation wire 40 is difficult to come out of the solder 60. Thereby, the operation reliability of the catheter 2 can be improved.
- a conducting wire 70 is inserted through the second lumen 22.
- the distal end of the conductor 70 is embedded in the solder 60. Thereby, the conducting wire 70 and the tip chip electrode 10 are electrically connected via the solder 60.
- a conductive wire 80 is inserted through the third lumen 24.
- the distal end of the conducting wire 80 is fixed to the ring-shaped electrode 12 a through an opening 13 a formed in the tubular member 4.
- the distal end of the conducting wire 80 is fixed to the ring-shaped electrode 12a using, for example, welding or soldering. Thereby, the conducting wire 80 and the ring-shaped electrode 12a are electrically connected.
- a conducting wire 82 is inserted into the fourth lumen 26.
- the distal end of the conducting wire 82 is fixed to the ring-shaped electrode 12 b through the opening 13 b formed in the tubular member 4.
- the distal end of the conducting wire 82 is fixed to the ring-shaped electrode 12b using, for example, welding or soldering. Thereby, the conducting wire 82 and the ring-shaped electrode 12b are electrically connected.
- the inner cylinder member 4a is composed of a relatively flexible member 4a1 disposed on the distal end side and a relatively inflexible member 4a2 disposed on the proximal end side.
- the Shore D hardness of the member 4a1 is 30 to 63
- the Shore D hardness of the member 4a2 is 4a1 or more.
- the length of the inner cylinder member 4a is 20 to 300 mm, and the inner cylinder member 4a extends from the distal end of the tubular member 4 in the range of 15 to 280 mm.
- a restraining member 100 is provided as an intermediate member between the proximal end of the member 4a1 and the distal end of the member 4a2 (see FIG. 5).
- Examples of the material constituting the restraining member 100 include a liquid crystal polymer and stainless steel.
- the outer side of the restraining member 100 is covered with the outer cylinder member 4b2.
- the outer cylinder member 4b2 overlaps with a part of the proximal side of the member 4a1 and a part of the distal side of the member 4a2, and the outer cylinder member 4b2 is a part of the proximal side of the member 4a1 and a part of the member 4a2. It is bonded to a part of the rear side. Thereby, the improvement of the joining strength of the outer cylinder member 4b and the inner cylinder member 4a is achieved.
- a hollow portion 102 having an inner diameter smaller than the inner diameter of the first lumen 20 is provided along the axial direction of the catheter 2 corresponding to the first lumen 20. Further, the inner diameter of the hollow portion 102 is larger than the outer diameter of the operation wire 40.
- the opening on the distal side of the hollow portion 102 faces the opening on the proximal side of the first lumen 20 provided in the inner cylinder member 4a1.
- the opening on the proximal side of the hollow portion 102 faces the opening on the distal side of the first lumen 20 provided in the inner cylinder member 4a2.
- the restraining member 100 is provided with a hollow portion 104 having an inner diameter equivalent to the inner diameter of the second lumen 22 along the axial direction of the catheter 2 corresponding to the second lumen 22.
- the opening on the distal side of the hollow portion 104 faces the opening on the proximal side of the second lumen 22 provided in the inner cylinder member 4a1. Further, the opening on the proximal side of the hollow portion 104 is opposed to the opening on the distal side of the second lumen 22b provided in the inner cylindrical member 4a2. Accordingly, the second lumen 22 provided in the inner cylinder member 4a1 and the second lumen 22 provided in the inner cylinder member 4a2 communicate with each other, and the above-described conductive wire 80 can be inserted into the hollow portion 104. .
- the restraining member 100 is provided with a hollow portion 106 and a hollow portion 108 along the axial direction of the catheter 2 corresponding to the third lumen 24 and the fourth lumen 26, respectively.
- the inner diameters of the hollow portion 106 and the hollow portion 108 are equal to the inner diameters of the third lumen 24 and the fourth lumen 26, respectively.
- the openings on the distal side of the hollow portion 106 and the hollow portion 108 are opposed to the openings on the proximal side of the third lumen 24 and the fourth lumen 26 provided in the inner cylinder member 4a1, respectively.
- the opening of the proximal side of the hollow part 106 and the hollow part 108 has opposed the opening of the 3rd lumen 24 and the 4th lumen 26 which were provided in the inner cylinder member 4a2, respectively.
- the third lumen 24 provided in the inner cylinder member 4a1 and the third lumen 24 provided in the inner cylinder member 4a2 communicate with each other, and the fourth lumen 26 provided in the inner cylinder member 4a1
- the fourth lumen 26 provided in the tubular member 4a2 communicates with the fourth member 26a.
- the operation wire 40 inserted through the hollow portion 102 is provided with a detent portion 110 at a predetermined location distal to the restraining member 100.
- the outer diameter of the detent member 110 is larger than the inner diameter of the hollow portion 102.
- FIG. 6 and 7 are cross-sectional views showing the shape of the distal end portion of the catheter 2 when the operation wire 40 is pulled.
- the distal end portion of the catheter 2 is bent in the direction of the arrow X as the detent member 110 gradually moves toward the proximal side, that is, toward the restraining member 100.
- the radius of curvature of the curved portion of the catheter 2 is substantially uniform, and the shape of the curved portion of the catheter 2 is approximated by an arc having a predetermined radius. be able to.
- the radius of curvature gradually decreases as the detent member 110 moves toward the detent member 100.
- the radius of the arc that approximates the shape of the curved portion of the catheter 2 gradually decreases.
- the movement preventing member 110 comes into contact with the restraining member 100, the movement of the movement preventing member 110 is restrained, and the movement preventing member 110 is restrained by the restraining member 100.
- the position is fixed by.
- a predetermined portion of the operation wire 40 on the distal side of the detent portion 110 is restrained in a region distal to the restraining member 100.
- the detent member 110 functions as an anchor, so that the degree of curvature increases at a portion proximal to the restraint member 100.
- the region of the catheter 2 proximal to the restraining member 100 is curved with a smaller radius of curvature than the region of the catheter 2 distal to the restraining member 100. That is, the curve shape of the catheter 2 has two stages.
- the distance between the restraining member 100 and the detent member 110 is, for example, 30 mm.
- the detent member 110 functions as an anchor that fixes a position at a predetermined distance from the distal end of the operation wire 40 when the operation wire 40 is pulled.
- the curvature radius of the curved catheter 2 is different between the distal side and the proximal side of the restraining member 100, and the curvature radius of the catheter 2 proximal to the restraining member 100 is different from that of the restraining member 100.
- the detent member 110 is integrally formed of the same material as the operation wire 40.
- the detent member 110 may be formed in a ring shape around the operation wire 40 using the same material as the operation wire 40 or a different material.
- a method of forming the movement stop member 110 as a separate member around the operation wire 40 is not particularly limited, and examples thereof include solder bonding, a crimping method by caulking, and fusion.
- FIG. 8 is a cross-sectional view of the catheter 2 according to the second embodiment.
- the catheter 2 of the first embodiment has one set of the restraining member 100 and the detent member 110, but the catheter 2 of the second embodiment has two sets of the deterring member 100 and the detent member 110.
- one set of the restraining member 100 and the detent member 110 provided on the distal side of the catheter 2 is referred to as the deterring member 100a and the detent member 110a, and the other set of the depressing member 100 and the detent member.
- the member 110 is referred to as a restraining member 100b and a detent member 110b.
- the inner cylinder member 4a is composed of a member 4a1, a member 4a2, and a member 4a3 that become relatively less flexible in order from the distal end side.
- the outer cylinder member 4b is comprised by the member 4b1, the member 4b2, the member 4b3, the member 4b4, and the member 4b5 which become relatively low in order from the distal end side.
- the detent member 110a is provided between the anchor 41 and the restraining member 100a, and the detent member 110a is provided between the restraining member 100a and the restraining member 100b.
- the detent member 110a and detent member 110b are provided at predetermined positions of the operation wire 40 on the distal side of the deterrent member 100a and deterrent member 100b, respectively.
- the catheter 2 is linear, the distance between the detent member 110a and the restraining member 100a is shorter than the distance between the detent member 110b and the restraining member 100b.
- the distal end portion of the catheter 2 is shown in FIG. 8 as the detent member 110a gradually moves toward the proximal side, that is, toward the detent member 100a. Curved in the direction of arrow Y. At this time, the curvature radius of the curved portion of the catheter 2 is substantially uniform.
- the detent member 110a comes into contact with the restraining member 100a, the movement of the detent member 110a is restrained, and the position of the detent member 110a is fixed by the restraining member 100a.
- a predetermined portion of the operation wire 40 on the distal side of the detent portion 110a is restrained in a region distal to the restraining member 100a.
- the detent member 110a functions as the first anchor, and therefore the degree of curvature increases at a portion closer to the restraint member 100a.
- the region of the catheter 2 proximal to the restraining member 100a is curved with a smaller radius of curvature than the region of the catheter 2 distal to the restraining member 100a. That is, the curve shape of the catheter 2 has two stages.
- the movement stop member 110b comes into contact with the stop member 100b, the movement of the stop member 110b is stopped, and the position of the movement stop member 110b is fixed by the stop member 100b.
- a predetermined portion of the operation wire 40 on the distal side of the detent portion 110b is restrained by a region distal to the restraining member 100b. If the operation wire 40 is further pulled in this state, the detent member 110b functions as a second anchor, and therefore the degree of curvature increases at a portion closer to the restraint member 100b.
- the region of the catheter 2 proximal to the restraining member 100b is curved with a smaller radius of curvature than the region of the catheter 2 distal to the restraining member 100b. That is, the curve shape of the catheter 2 has three stages.
- the detent members 110a and 110b are anchors that fix a position at a predetermined distance from the distal end of the operation wire 40.
- the curvature radius of the curved catheter 2 is different between the distal side and the proximal side with respect to each restraining member 100, and the curvature radius of the catheter 2 proximal to each restraining member 100 is different from each restraining member 100. It becomes smaller than the radius of curvature of the more distal catheter 2.
- two sets of the restraining member 100 and the detent member 110 are provided, but three or more sets of the deterring member 100 and the detent member 110 may be provided.
- the present invention can be used in the field of catheters that can easily change the direction near the distal end inserted into a body cavity.
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Biophysics (AREA)
- Hematology (AREA)
- Anesthesiology (AREA)
- Pulmonology (AREA)
- Surgery (AREA)
- Medical Informatics (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Molecular Biology (AREA)
- Otolaryngology (AREA)
- Media Introduction/Drainage Providing Device (AREA)
- Instruments For Viewing The Inside Of Hollow Bodies (AREA)
- Electrotherapy Devices (AREA)
- Endoscopes (AREA)
- Measuring Leads Or Probes (AREA)
Abstract
Description
実施の形態1に係るカテーテルは、先端偏向操作が可能な電極カテーテルであり、たとえば心臓における不整脈の診断または治療、特に、下大静脈から冠状静脈洞へアプローチさせ、冠状静脈洞の内壁に沿って湾曲したカテーテルの先端を右心房に到達させる技術に好適に用いられる。
図8は、実施の形態2に係るカテーテル2の断面図である。実施の形態2のカテーテル2について、実施の形態1と同様な構成については同様な符号を付し、説明を適宜省略する。実施の形態1のカテーテル2は、制止部材100と移動止め部材110の一組を有するが、実施の形態2のカテーテル2は、二組の制止部材100、移動止め部材110を有する。本実施の形態では、カテーテル2の遠位側に設けられた一方の組の制止部材100、移動止め部材110を制止部材100a、移動止め部材110aと呼び、他方の組の制止部材100、移動止め部材110を制止部材100b、移動止め部材110bと呼ぶ。
Claims (3)
- 複数のルーメンが軸方向に沿って形成された可撓性の管状部材と、
前記複数のルーメンのうち、前記管状部材の中心軸からはずれた操作用ルーメンに挿通され、一方の端部が前記管状部材の遠位端の近傍に接続された操作用ワイヤと、
前記管状部材の遠位端と近位端との間に設けられ、前記操作用ルーメンの内径よりも小さい内径の中空部分が前記操作用ワイヤを挿通可能に設けられた制止部材と、
前記制止部材より遠位側の前記操作用ワイヤの所定箇所に設けられ、前記中空部分の内径より外径が大きい移動止め部と、
を備え、
前記操作用ワイヤを引っ張り操作したときに、前記操作用ワイヤの前記移動止め部より遠位側の所定部分が前記制止部材より遠位側の領域に制止されることを特徴とするカテーテル。 - 前記制止部材により前記移動止め部が制止されたときに、前記移動止め部より遠位側の前記管状部材の曲率半径が前記移動止め部より近位側の前記管状部材の曲率半径より大きい請求項1に記載のカテーテル。
- 前記制止部材が、前記管状部材の遠位端と近位端との間の複数箇所に設けられ、
複数の前記移動止め部がそれぞれ対応する前記制止部材より遠位側の前記操作用ワイヤの所定箇所に設けられている請求項1または2に記載の記載のカテーテル。
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201180025671.8A CN102917749B (zh) | 2010-06-15 | 2011-03-25 | 探针 |
KR1020127025625A KR101310471B1 (ko) | 2010-06-15 | 2011-03-25 | 카테터 |
HK13107743.0A HK1180258A1 (en) | 2010-06-15 | 2013-07-03 | Catheter |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2010136461A JP4940332B2 (ja) | 2010-06-15 | 2010-06-15 | カテーテル |
JP2010-136461 | 2010-06-15 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2011158410A1 true WO2011158410A1 (ja) | 2011-12-22 |
Family
ID=45347828
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2011/001769 WO2011158410A1 (ja) | 2010-06-15 | 2011-03-25 | カテーテル |
Country Status (5)
Country | Link |
---|---|
JP (1) | JP4940332B2 (ja) |
KR (1) | KR101310471B1 (ja) |
CN (1) | CN102917749B (ja) |
HK (1) | HK1180258A1 (ja) |
WO (1) | WO2011158410A1 (ja) |
Cited By (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2013088840A1 (ja) * | 2011-12-14 | 2013-06-20 | 日本ライフライン株式会社 | 先端偏向操作可能カテーテル |
US10195429B1 (en) | 2017-08-02 | 2019-02-05 | Lungpacer Medical Inc. | Systems and methods for intravascular catheter positioning and/or nerve stimulation |
US10293164B2 (en) | 2017-05-26 | 2019-05-21 | Lungpacer Medical Inc. | Apparatus and methods for assisted breathing by transvascular nerve stimulation |
US10391314B2 (en) | 2014-01-21 | 2019-08-27 | Lungpacer Medical Inc. | Systems and related methods for optimization of multi-electrode nerve pacing |
US10406367B2 (en) | 2013-06-21 | 2019-09-10 | Lungpacer Medical Inc. | Transvascular diaphragm pacing system and methods of use |
EP3556427A3 (en) * | 2012-03-05 | 2019-11-27 | Lungpacer Medical Inc. | Transvascular nerve stimulation apparatus |
US10561843B2 (en) | 2007-01-29 | 2020-02-18 | Lungpacer Medical, Inc. | Transvascular nerve stimulation apparatus and methods |
US10940308B2 (en) | 2017-08-04 | 2021-03-09 | Lungpacer Medical Inc. | Systems and methods for trans-esophageal sympathetic ganglion recruitment |
US10987511B2 (en) | 2018-11-08 | 2021-04-27 | Lungpacer Medical Inc. | Stimulation systems and related user interfaces |
US11357979B2 (en) | 2019-05-16 | 2022-06-14 | Lungpacer Medical Inc. | Systems and methods for sensing and stimulation |
US11707619B2 (en) | 2013-11-22 | 2023-07-25 | Lungpacer Medical Inc. | Apparatus and methods for assisted breathing by transvascular nerve stimulation |
US11771900B2 (en) | 2019-06-12 | 2023-10-03 | Lungpacer Medical Inc. | Circuitry for medical stimulation systems |
US11883658B2 (en) | 2017-06-30 | 2024-01-30 | Lungpacer Medical Inc. | Devices and methods for prevention, moderation, and/or treatment of cognitive injury |
US12029903B2 (en) | 2017-12-11 | 2024-07-09 | Lungpacer Medical Inc. | Systems and methods for strengthening a respiratory muscle |
Families Citing this family (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP6336620B2 (ja) | 2014-05-06 | 2018-06-06 | セント・ジュード・メディカル,カーディオロジー・ディヴィジョン,インコーポレイテッド | 電極支持構造アセンブリ |
US10118022B2 (en) | 2014-06-05 | 2018-11-06 | St. Jude Medical, Cardiology Division, Inc. | Deflectable catheter shaft section |
US9844645B2 (en) | 2014-06-17 | 2017-12-19 | St. Jude Medical, Cardiology Division, Inc. | Triple coil catheter support |
US10898096B2 (en) | 2014-10-27 | 2021-01-26 | St. Jude Medical, Cardiology Division, Inc. | Apparatus and method for connecting elements in medical devices |
US10602983B2 (en) | 2015-05-08 | 2020-03-31 | St. Jude Medical International Holding S.À R.L. | Integrated sensors for medical devices and method of making integrated sensors for medical devices |
JP6445742B1 (ja) | 2015-10-21 | 2018-12-26 | セント・ジュード・メディカル,カーディオロジー・ディヴィジョン,インコーポレイテッド | 高密度電極マッピングカテーテル |
WO2017192712A1 (en) | 2016-05-03 | 2017-11-09 | St. Jude Medical, Cardiology Division, Inc. | Irrigated high density electrode catheter |
US11786705B2 (en) | 2016-10-24 | 2023-10-17 | St. Jude Medical, Cardiology Division, Inc. | Catheter insertion devices |
US11172858B2 (en) | 2016-10-28 | 2021-11-16 | St. Jude Medical, Cardiology Division, Inc. | Flexible high-density mapping catheter |
EP3531903B1 (en) | 2017-01-19 | 2021-02-17 | St. Jude Medical, Cardiology Division, Inc. | Sheath visualization |
US11647935B2 (en) | 2017-07-24 | 2023-05-16 | St. Jude Medical, Cardiology Division, Inc. | Masked ring electrodes |
EP4115936B1 (en) | 2017-11-28 | 2024-03-06 | St. Jude Medical, Cardiology Division, Inc. | Lumen management catheter |
WO2020039392A2 (en) | 2018-08-23 | 2020-02-27 | St. Jude Medical, Cardiology Division, Inc. | Curved high density electrode mapping catheter |
WO2020065587A2 (en) | 2018-09-27 | 2020-04-02 | St. Jude Medical, Cardiology Division, Inc. | Uniform mapping balloon |
US11918762B2 (en) | 2018-10-03 | 2024-03-05 | St. Jude Medical, Cardiology Division, Inc. | Reduced actuation force electrophysiology catheter handle |
WO2020084654A1 (ja) * | 2018-10-22 | 2020-04-30 | オリンパス株式会社 | 医療用マニピュレータ |
US20220193372A1 (en) * | 2020-12-22 | 2022-06-23 | Covidien Lp | Dual articulating catheter |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH09206309A (ja) * | 1996-02-05 | 1997-08-12 | Olympus Optical Co Ltd | 内視鏡用高周波切開装置 |
JP2009527344A (ja) * | 2006-02-22 | 2009-07-30 | ハンセン メディカル,インク. | 作業器具の遠位の力を測定するシステムおよび装置 |
JP4679668B1 (ja) * | 2010-04-21 | 2011-04-27 | 日本ライフライン株式会社 | カテーテル |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101237470B1 (ko) * | 2005-05-24 | 2013-02-26 | 가부시키가이샤 가네카 | 의료용 와이어 |
WO2006129726A1 (ja) * | 2005-05-31 | 2006-12-07 | Olympus Medical Systems Corp. | 粘膜剥離装置、および粘膜剥離方法 |
US20070156114A1 (en) * | 2005-12-29 | 2007-07-05 | Worley Seth J | Deflectable catheter with a flexibly attached tip section |
-
2010
- 2010-06-15 JP JP2010136461A patent/JP4940332B2/ja not_active Expired - Fee Related
-
2011
- 2011-03-25 WO PCT/JP2011/001769 patent/WO2011158410A1/ja active Application Filing
- 2011-03-25 CN CN201180025671.8A patent/CN102917749B/zh not_active Expired - Fee Related
- 2011-03-25 KR KR1020127025625A patent/KR101310471B1/ko active IP Right Grant
-
2013
- 2013-07-03 HK HK13107743.0A patent/HK1180258A1/xx not_active IP Right Cessation
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH09206309A (ja) * | 1996-02-05 | 1997-08-12 | Olympus Optical Co Ltd | 内視鏡用高周波切開装置 |
JP2009527344A (ja) * | 2006-02-22 | 2009-07-30 | ハンセン メディカル,インク. | 作業器具の遠位の力を測定するシステムおよび装置 |
JP4679668B1 (ja) * | 2010-04-21 | 2011-04-27 | 日本ライフライン株式会社 | カテーテル |
Cited By (32)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US11027130B2 (en) | 2007-01-29 | 2021-06-08 | Lungpacer Medical Inc. | Transvascular nerve stimulation apparatus and methods |
US10864374B2 (en) | 2007-01-29 | 2020-12-15 | Lungpacer Medical Inc. | Transvascular nerve stimulation apparatus and methods |
US10792499B2 (en) | 2007-01-29 | 2020-10-06 | Lungpacer Medical Inc. | Transvascular nerve stimulation apparatus and methods |
US10765867B2 (en) | 2007-01-29 | 2020-09-08 | Lungpacer Medical Inc. | Transvascular nerve stimulation apparatus and methods |
US10561843B2 (en) | 2007-01-29 | 2020-02-18 | Lungpacer Medical, Inc. | Transvascular nerve stimulation apparatus and methods |
WO2013088840A1 (ja) * | 2011-12-14 | 2013-06-20 | 日本ライフライン株式会社 | 先端偏向操作可能カテーテル |
EP4070850A1 (en) * | 2012-03-05 | 2022-10-12 | Lungpacer Medical Inc. | Transvascular nerve stimulation apparatus and methods |
US11369787B2 (en) | 2012-03-05 | 2022-06-28 | Lungpacer Medical Inc. | Transvascular nerve stimulation apparatus and methods |
EP3556427A3 (en) * | 2012-03-05 | 2019-11-27 | Lungpacer Medical Inc. | Transvascular nerve stimulation apparatus |
US10512772B2 (en) | 2012-03-05 | 2019-12-24 | Lungpacer Medical Inc. | Transvascular nerve stimulation apparatus and methods |
US10406367B2 (en) | 2013-06-21 | 2019-09-10 | Lungpacer Medical Inc. | Transvascular diaphragm pacing system and methods of use |
US10561844B2 (en) | 2013-06-21 | 2020-02-18 | Lungpacer Medical Inc. | Diaphragm pacing systems and methods of use |
US10589097B2 (en) | 2013-06-21 | 2020-03-17 | Lungpacer Medical Inc. | Transvascular diaphragm pacing systems and methods of use |
US11357985B2 (en) | 2013-06-21 | 2022-06-14 | Lungpacer Medical Inc. | Transvascular diaphragm pacing systems and methods of use |
US11707619B2 (en) | 2013-11-22 | 2023-07-25 | Lungpacer Medical Inc. | Apparatus and methods for assisted breathing by transvascular nerve stimulation |
US10391314B2 (en) | 2014-01-21 | 2019-08-27 | Lungpacer Medical Inc. | Systems and related methods for optimization of multi-electrode nerve pacing |
US11311730B2 (en) | 2014-01-21 | 2022-04-26 | Lungpacer Medical Inc. | Systems and related methods for optimization of multi-electrode nerve pacing |
US10293164B2 (en) | 2017-05-26 | 2019-05-21 | Lungpacer Medical Inc. | Apparatus and methods for assisted breathing by transvascular nerve stimulation |
US12029901B2 (en) | 2017-06-30 | 2024-07-09 | Lungpacer Medical Inc. | Devices and methods for prevention, moderation, and/or treatment of cognitive injury |
US11883658B2 (en) | 2017-06-30 | 2024-01-30 | Lungpacer Medical Inc. | Devices and methods for prevention, moderation, and/or treatment of cognitive injury |
US10926087B2 (en) | 2017-08-02 | 2021-02-23 | Lungpacer Medical Inc. | Systems and methods for intravascular catheter positioning and/or nerve stimulation |
US10195429B1 (en) | 2017-08-02 | 2019-02-05 | Lungpacer Medical Inc. | Systems and methods for intravascular catheter positioning and/or nerve stimulation |
US11090489B2 (en) | 2017-08-02 | 2021-08-17 | Lungpacer Medical, Inc. | Systems and methods for intravascular catheter positioning and/or nerve stimulation |
US12029902B2 (en) | 2017-08-02 | 2024-07-09 | Lungpacer Medical Inc. | Intravascular catheter methods |
US11944810B2 (en) | 2017-08-04 | 2024-04-02 | Lungpacer Medical Inc. | Systems and methods for trans-esophageal sympathetic ganglion recruitment |
US10940308B2 (en) | 2017-08-04 | 2021-03-09 | Lungpacer Medical Inc. | Systems and methods for trans-esophageal sympathetic ganglion recruitment |
US12029903B2 (en) | 2017-12-11 | 2024-07-09 | Lungpacer Medical Inc. | Systems and methods for strengthening a respiratory muscle |
US11717673B2 (en) | 2018-11-08 | 2023-08-08 | Lungpacer Medical Inc. | Stimulation systems and related user interfaces |
US11890462B2 (en) | 2018-11-08 | 2024-02-06 | Lungpacer Medical Inc. | Stimulation systems and related user interfaces |
US10987511B2 (en) | 2018-11-08 | 2021-04-27 | Lungpacer Medical Inc. | Stimulation systems and related user interfaces |
US11357979B2 (en) | 2019-05-16 | 2022-06-14 | Lungpacer Medical Inc. | Systems and methods for sensing and stimulation |
US11771900B2 (en) | 2019-06-12 | 2023-10-03 | Lungpacer Medical Inc. | Circuitry for medical stimulation systems |
Also Published As
Publication number | Publication date |
---|---|
JP2012000195A (ja) | 2012-01-05 |
KR101310471B1 (ko) | 2013-09-24 |
HK1180258A1 (en) | 2013-10-18 |
CN102917749A (zh) | 2013-02-06 |
JP4940332B2 (ja) | 2012-05-30 |
KR20120134136A (ko) | 2012-12-11 |
CN102917749B (zh) | 2014-09-24 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JP4940332B2 (ja) | カテーテル | |
JP4362536B2 (ja) | カテーテル | |
JP5508190B2 (ja) | カテーテル | |
JP4679668B1 (ja) | カテーテル | |
JP4897077B1 (ja) | カテーテル | |
KR101533556B1 (ko) | 전극 카테터 및 그 제조 방법 | |
JP4679666B1 (ja) | カテーテル | |
WO2013088840A1 (ja) | 先端偏向操作可能カテーテル | |
CN110382031B (zh) | 电极导管 | |
JP2010075530A (ja) | 先端偏向操作可能カテーテル | |
KR20150037735A (ko) | 전극 카테터 | |
JP5174542B2 (ja) | カテーテル | |
JP2012147971A (ja) | 先端偏向操作可能カテーテル | |
EP2586484A1 (en) | Guidewire | |
JP2014236787A (ja) | 先端偏向操作可能カテーテル | |
JP5174487B2 (ja) | カテーテル | |
WO2024116321A1 (ja) | ガイドワイヤ、及び、医療システム | |
WO2023223642A1 (ja) | プラズマガイドワイヤ | |
JP5432932B2 (ja) | 電極カテーテル |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
WWE | Wipo information: entry into national phase |
Ref document number: 201180025671.8 Country of ref document: CN |
|
121 | Ep: the epo has been informed by wipo that ep was designated in this application |
Ref document number: 11795318 Country of ref document: EP Kind code of ref document: A1 |
|
ENP | Entry into the national phase |
Ref document number: 20127025625 Country of ref document: KR Kind code of ref document: A |
|
NENP | Non-entry into the national phase |
Ref country code: DE |
|
122 | Ep: pct application non-entry in european phase |
Ref document number: 11795318 Country of ref document: EP Kind code of ref document: A1 |