JP6876710B2 - カテーテル - Google Patents
カテーテル Download PDFInfo
- Publication number
- JP6876710B2 JP6876710B2 JP2018539692A JP2018539692A JP6876710B2 JP 6876710 B2 JP6876710 B2 JP 6876710B2 JP 2018539692 A JP2018539692 A JP 2018539692A JP 2018539692 A JP2018539692 A JP 2018539692A JP 6876710 B2 JP6876710 B2 JP 6876710B2
- Authority
- JP
- Japan
- Prior art keywords
- catheter
- tip
- blood
- tube
- dilator
- 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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- 239000008280 blood Substances 0.000 claims description 81
- 210000004369 blood Anatomy 0.000 claims description 81
- 239000000463 material Substances 0.000 claims description 20
- 230000009467 reduction Effects 0.000 claims description 20
- 239000011347 resin Substances 0.000 claims description 12
- 229920005989 resin Polymers 0.000 claims description 12
- 239000011248 coating agent Substances 0.000 claims description 9
- 238000000576 coating method Methods 0.000 claims description 9
- 239000012781 shape memory material Substances 0.000 claims description 5
- 230000004087 circulation Effects 0.000 description 30
- 230000017531 blood circulation Effects 0.000 description 18
- 210000004072 lung Anatomy 0.000 description 13
- 210000004204 blood vessel Anatomy 0.000 description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 12
- 238000000034 method Methods 0.000 description 10
- 230000036770 blood supply Effects 0.000 description 6
- 230000000052 comparative effect Effects 0.000 description 6
- 238000001514 detection method Methods 0.000 description 6
- 230000004048 modification Effects 0.000 description 6
- 238000012986 modification Methods 0.000 description 6
- 239000004698 Polyethylene Substances 0.000 description 4
- 230000002612 cardiopulmonary effect Effects 0.000 description 4
- 238000003780 insertion Methods 0.000 description 4
- 230000037431 insertion Effects 0.000 description 4
- 230000002093 peripheral effect Effects 0.000 description 4
- -1 polyethylene Polymers 0.000 description 4
- 229920000573 polyethylene Polymers 0.000 description 4
- 229920002635 polyurethane Polymers 0.000 description 4
- 239000004814 polyurethane Substances 0.000 description 4
- 210000005245 right atrium Anatomy 0.000 description 4
- 238000001356 surgical procedure Methods 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 239000007789 gas Substances 0.000 description 3
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 2
- BZHJMEDXRYGGRV-UHFFFAOYSA-N Vinyl chloride Chemical compound ClC=C BZHJMEDXRYGGRV-UHFFFAOYSA-N 0.000 description 2
- 239000000956 alloy Substances 0.000 description 2
- 229910045601 alloy Inorganic materials 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 229910001882 dioxygen Inorganic materials 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- 230000004217 heart function Effects 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 239000012528 membrane Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 239000010703 silicon Substances 0.000 description 2
- 229910052710 silicon Inorganic materials 0.000 description 2
- 210000003462 vein Anatomy 0.000 description 2
- 229920000178 Acrylic resin Polymers 0.000 description 1
- 239000004925 Acrylic resin Substances 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- JOYRKODLDBILNP-UHFFFAOYSA-N Ethyl urethane Chemical compound CCOC(N)=O JOYRKODLDBILNP-UHFFFAOYSA-N 0.000 description 1
- 239000004677 Nylon Substances 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- 229910010977 Ti—Pd Inorganic materials 0.000 description 1
- 210000000709 aorta Anatomy 0.000 description 1
- 210000001367 artery Anatomy 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 238000002680 cardiopulmonary resuscitation Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000003618 dip coating Methods 0.000 description 1
- 210000001105 femoral artery Anatomy 0.000 description 1
- 210000003191 femoral vein Anatomy 0.000 description 1
- 230000023597 hemostasis Effects 0.000 description 1
- 239000012510 hollow fiber Substances 0.000 description 1
- KHYBPSFKEHXSLX-UHFFFAOYSA-N iminotitanium Chemical compound [Ti]=N KHYBPSFKEHXSLX-UHFFFAOYSA-N 0.000 description 1
- 238000007654 immersion Methods 0.000 description 1
- 230000004199 lung function Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000002324 minimally invasive surgery Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 229910001000 nickel titanium Inorganic materials 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920000636 poly(norbornene) polymer Polymers 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 229920001296 polysiloxane Polymers 0.000 description 1
- 102000004169 proteins and genes Human genes 0.000 description 1
- 108090000623 proteins and genes Proteins 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 230000000241 respiratory effect Effects 0.000 description 1
- 239000002210 silicon-based material Substances 0.000 description 1
- 229920002379 silicone rubber Polymers 0.000 description 1
- 239000004945 silicone rubber Substances 0.000 description 1
- 229920003048 styrene butadiene rubber Polymers 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 229920003002 synthetic resin Polymers 0.000 description 1
- 239000000057 synthetic resin Substances 0.000 description 1
- 229920002725 thermoplastic elastomer Polymers 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- 210000001631 vena cava inferior Anatomy 0.000 description 1
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
-
- 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
- A61M1/00—Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
- A61M1/36—Other treatment of blood in a by-pass of the natural circulatory system, e.g. temperature adaptation, irradiation ; Extra-corporeal blood circuits
Landscapes
- Health & Medical Sciences (AREA)
- Heart & Thoracic Surgery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- General Health & Medical Sciences (AREA)
- Anesthesiology (AREA)
- Biomedical Technology (AREA)
- Hematology (AREA)
- Veterinary Medicine (AREA)
- Animal Behavior & Ethology (AREA)
- Vascular Medicine (AREA)
- Public Health (AREA)
- Cardiology (AREA)
- Biophysics (AREA)
- Pulmonology (AREA)
- External Artificial Organs (AREA)
- Media Introduction/Drainage Providing Device (AREA)
Description
次に、図6を参照して、上述したカテーテル組立体100の使用方法について説明する。図6(A)は、カテーテル30にダイレーター50が挿通された後の状態、図6(B)は、カテーテル30からダイレーター50が抜去されて非コーティング部32から送血している状態を、それぞれ示している。
31 カテーテルチューブ、
32 非コーティング部、
32a 非コーティング部の先端、
33 コーティング部、
33a 樹脂材料、
40 低減部、
41 先端チップ、
42、142、242、342、442、542 整流部、
44、344、444、544 基端部、
544a 基端、
50 ダイレーター、
W ワイヤー。
Claims (5)
- 血液を通し、ダイレーターが挿通されることによって軸方向に伸長するカテーテルであって、
前記軸方向に延在するカテーテルチューブと、
前記カテーテルチューブの先端に設けられ血液の流出速度を低減する低減部と、を有し、
前記カテーテルチューブは、
交差するように編組されたワイヤーからなる非コーティング部と、
前記非コーティング部の基端側に設けられ、交差するように編組されたワイヤーが樹脂材料によって被覆されてなるコーティング部と、を有し、
前記低減部は、
前記非コーティング部の内部に設けられ前記流出速度を低減するように前記血液を整流する整流部と、
前記非コーティング部の先端側に設けられる先端チップと、を有し、
前記非コーティング部の先端は、前記先端チップおよび前記整流部によって挟み込まれているカテーテル。 - 前記非コーティング部の先端は、先端側に向けて縮径するテーパ状に形成される請求項1に記載のカテーテル。
- 前記整流部の基端部は、基端側に向けて縮径するテーパ状に形成される請求項1または2に記載のカテーテル。
- 前記整流部の基端は、前記軸方向に平行な断面視で鋭角形状を備える請求項3に記載のカテーテル。
- 前記ワイヤーは形状記憶材料によって構成される請求項1〜4のいずれか1項に記載のカテーテル。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2016179988 | 2016-09-14 | ||
JP2016179988 | 2016-09-14 | ||
PCT/JP2017/032556 WO2018051926A1 (ja) | 2016-09-14 | 2017-09-08 | カテーテル |
Publications (2)
Publication Number | Publication Date |
---|---|
JPWO2018051926A1 JPWO2018051926A1 (ja) | 2019-06-24 |
JP6876710B2 true JP6876710B2 (ja) | 2021-05-26 |
Family
ID=61620040
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2018539692A Active JP6876710B2 (ja) | 2016-09-14 | 2017-09-08 | カテーテル |
Country Status (2)
Country | Link |
---|---|
JP (1) | JP6876710B2 (ja) |
WO (1) | WO2018051926A1 (ja) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2020062321A (ja) * | 2018-10-19 | 2020-04-23 | 朝日インテック株式会社 | カテーテル |
WO2022071041A1 (ja) * | 2020-09-30 | 2022-04-07 | テルモ株式会社 | 経皮カテーテル |
WO2023176864A1 (ja) * | 2022-03-17 | 2023-09-21 | 株式会社カネカ | 体内に挿入される医療用装置の遠位端部に用いられるチップ、及び医療用装置 |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5354288A (en) * | 1993-02-24 | 1994-10-11 | Minnesota Mining And Manufacturing Company | Low velocity aortic cannula |
US5616137A (en) * | 1995-02-22 | 1997-04-01 | Minnesota Mining And Manufacturing Company | Low velocity aortic cannula |
US6626859B2 (en) * | 2000-01-18 | 2003-09-30 | Coraflo Ltd. | High performance cannulas |
US20060004316A1 (en) * | 2004-07-02 | 2006-01-05 | Difiore Attilio E | Reduction of recirculation in catheters |
WO2010149168A1 (en) * | 2009-06-25 | 2010-12-29 | Ingeniørhøjskolen I Århus | Expandable diffuser |
JP3174177U (ja) * | 2011-12-26 | 2012-03-08 | テクノウッド株式会社 | 心臓手術に用いる送血カニューレ |
-
2017
- 2017-09-08 JP JP2018539692A patent/JP6876710B2/ja active Active
- 2017-09-08 WO PCT/JP2017/032556 patent/WO2018051926A1/ja active Application Filing
Also Published As
Publication number | Publication date |
---|---|
WO2018051926A1 (ja) | 2018-03-22 |
JPWO2018051926A1 (ja) | 2019-06-24 |
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