JP5399301B2 - カテーテル - Google Patents
カテーテル Download PDFInfo
- Publication number
- JP5399301B2 JP5399301B2 JP2010055795A JP2010055795A JP5399301B2 JP 5399301 B2 JP5399301 B2 JP 5399301B2 JP 2010055795 A JP2010055795 A JP 2010055795A JP 2010055795 A JP2010055795 A JP 2010055795A JP 5399301 B2 JP5399301 B2 JP 5399301B2
- Authority
- JP
- Japan
- Prior art keywords
- slit
- tube
- sheath
- end portion
- base end
- 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.)
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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
- A61M25/0021—Catheters; Hollow probes characterised by the form of the tubing
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
- A61B1/00064—Constructional details of the endoscope body
- A61B1/00071—Insertion part of the endoscope body
- A61B1/00078—Insertion part of the endoscope body with stiffening means
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B8/00—Diagnosis using ultrasonic, sonic or infrasonic waves
- A61B8/12—Diagnosis using ultrasonic, sonic or infrasonic waves in body cavities or body tracts, e.g. by using catheters
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B8/00—Diagnosis using ultrasonic, sonic or infrasonic waves
- A61B8/44—Constructional features of the ultrasonic, sonic or infrasonic diagnostic device
- A61B8/4444—Constructional features of the ultrasonic, sonic or infrasonic diagnostic device related to the probe
- A61B8/445—Details of catheter construction
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B8/00—Diagnosis using ultrasonic, sonic or infrasonic waves
- A61B8/44—Constructional features of the ultrasonic, sonic or infrasonic diagnostic device
- A61B8/4444—Constructional features of the ultrasonic, sonic or infrasonic diagnostic device related to the probe
- A61B8/4461—Features of the scanning mechanism, e.g. for moving the transducer within the housing of the probe
-
- 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
- A61M25/0043—Catheters; Hollow probes characterised by structural features
- A61M25/0045—Catheters; Hollow probes characterised by structural features multi-layered, e.g. coated
-
- 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
- A61M25/0043—Catheters; Hollow probes characterised by structural features
- A61M25/005—Catheters; Hollow probes characterised by structural features with embedded materials for reinforcement, e.g. wires, coils, braids
- A61M25/0051—Catheters; Hollow probes characterised by structural features with embedded materials for reinforcement, e.g. wires, coils, braids made from fenestrated or weakened tubing layer
-
- 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
- A61M25/0009—Making of catheters or other medical or surgical tubes
- A61M25/0013—Weakening parts of a catheter tubing, e.g. by making cuts in the tube or reducing thickness of a layer at one point to adjust the flexibility
-
- 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
- A61M25/0043—Catheters; Hollow probes characterised by structural features
- A61M25/005—Catheters; Hollow probes characterised by structural features with embedded materials for reinforcement, e.g. wires, coils, braids
- A61M25/0053—Catheters; Hollow probes characterised by structural features with embedded materials for reinforcement, e.g. wires, coils, braids having a variable stiffness along the longitudinal axis, e.g. by varying the pitch of the coil or braid
-
- 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
- A61M25/0043—Catheters; Hollow probes characterised by structural features
- A61M25/0054—Catheters; Hollow probes characterised by structural features with regions for increasing flexibility
Description
2 シース、
10、10b シースチューブ、
13、13b 中間チューブ(補強層)、
14、14b 螺旋状スリット、
15、15b スリット先端部、
16、16b スリット中間部、
17、17b スリット中間部、
18、18b スリット基端部、
19、19a、191c スリット終端部、
191、191c 終端、
26 ルーメン、
66 耐キンクプロテクタ(キンク抑制部材)、
66a キンク抑制用先端部、
α スリット傾斜角。
Claims (5)
- 生体内に挿入されるシースを有するカテーテルであって、
前記シースは、先端側から基端側へ連続する螺旋状スリットが形成された少なくとも一層の管状の補強層を備え、前記螺旋状スリットの基端側の部位であるスリット基端部の基端側には、前記螺旋状スリットの終端が設けられるとともに前記補強層の周方向に対する螺旋状スリットの傾斜角が前記スリット基端部よりも大きいスリット終端部が形成されたカテーテル。 - 前記スリット終端部は、前記スリット基端部から前記傾斜角が徐々に変化する請求項1に記載のカテーテル。
- 前記傾斜角は、90度以下である請求項1または2に記載のカテーテル。
- 前記螺旋状スリットは、前記スリット基端部の先端側にスリット基端部よりもスリット密度の低いスリット中間部を有し、前記スリット中間部よりも先端側にスリット中間部よりもスリット密度の高いスリット先端部を有する請求項1〜3のいずれか1項に記載のカテーテル。
- 前記シースは、前記スリット終端部に対応する部位が、前記先端側へ縮径するキンク抑制部材で覆われた請求項1〜4のいずれか1項に記載のカテーテル。
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2010055795A JP5399301B2 (ja) | 2010-03-12 | 2010-03-12 | カテーテル |
US13/040,356 US8523841B2 (en) | 2010-03-12 | 2011-03-04 | Catheter with spiral slit terminating in slit termination portion oriented to suppress crack occurrence |
EP20110156940 EP2364746B1 (en) | 2010-03-12 | 2011-03-04 | Catheter |
CN201110058911.6A CN102188236B (zh) | 2010-03-12 | 2011-03-09 | 导管 |
US13/964,523 US9119936B2 (en) | 2010-03-12 | 2013-08-12 | Catheter with spiral slit terminating in slit termination portion oriented to suppress crack occurrence |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2010055795A JP5399301B2 (ja) | 2010-03-12 | 2010-03-12 | カテーテル |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2011188913A JP2011188913A (ja) | 2011-09-29 |
JP5399301B2 true JP5399301B2 (ja) | 2014-01-29 |
Family
ID=43928872
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2010055795A Active JP5399301B2 (ja) | 2010-03-12 | 2010-03-12 | カテーテル |
Country Status (4)
Country | Link |
---|---|
US (2) | US8523841B2 (ja) |
EP (1) | EP2364746B1 (ja) |
JP (1) | JP5399301B2 (ja) |
CN (1) | CN102188236B (ja) |
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2010
- 2010-03-12 JP JP2010055795A patent/JP5399301B2/ja active Active
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2011
- 2011-03-04 US US13/040,356 patent/US8523841B2/en not_active Expired - Fee Related
- 2011-03-04 EP EP20110156940 patent/EP2364746B1/en active Active
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EP2364746A1 (en) | 2011-09-14 |
US8523841B2 (en) | 2013-09-03 |
US9119936B2 (en) | 2015-09-01 |
CN102188236A (zh) | 2011-09-21 |
US20110224650A1 (en) | 2011-09-15 |
EP2364746B1 (en) | 2015-01-28 |
CN102188236B (zh) | 2014-05-14 |
JP2011188913A (ja) | 2011-09-29 |
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