JPWO2023084734A5 - - Google Patents
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- Publication number
- JPWO2023084734A5 JPWO2023084734A5 JP2023559342A JP2023559342A JPWO2023084734A5 JP WO2023084734 A5 JPWO2023084734 A5 JP WO2023084734A5 JP 2023559342 A JP2023559342 A JP 2023559342A JP 2023559342 A JP2023559342 A JP 2023559342A JP WO2023084734 A5 JPWO2023084734 A5 JP WO2023084734A5
- Authority
- JP
- Japan
- Prior art keywords
- inserter
- slit
- tip
- base end
- end opening
- 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.)
- Pending
Links
- 239000004810 polytetrafluoroethylene Substances 0.000 claims 4
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims 4
- 239000011347 resin Substances 0.000 claims 4
- 229920005989 resin Polymers 0.000 claims 4
- 230000037431 insertion Effects 0.000 claims 2
- 238000003780 insertion Methods 0.000 claims 2
- 230000007704 transition Effects 0.000 claims 2
Claims (8)
偏平形状を有する偏平部と、
前記偏平部よりも先端側に設けられた長尺状の筒状部と、
を備え、
前記筒状部は、
基端に設けられた基端側開口と、先端に設けられた先端側開口と、を有し、
前記筒状部の側面には、前記基端側開口と前記先端側開口とを接続するとともに、前記筒状部の内外を連通するスリットが設けられており、
基端部における前記筒状部の横断面形状は、基端側から先端側に向かって偏平形状から筒状へと遷移しており、
前記偏平部は、先端側から基端側に向かって前記インサータの軸線から離れる方向に湾曲している、インサータ。 1. An inserter for assisting in the insertion of a medical device, comprising:
A flat portion having a flat shape;
A long cylindrical portion provided on a tip side of the flat portion;
Equipped with
The cylindrical portion is
The catheter has a base end opening at a base end and a tip end opening at a tip end,
a slit is provided on a side surface of the cylindrical portion, the slit connecting the base end opening and the tip end opening and communicating the inside and outside of the cylindrical portion;
The cross-sectional shape of the tubular portion at the base end transitions from a flat shape to a tubular shape from the base end side to the tip end side ,
The flattened portion is curved from the distal end toward the proximal end in a direction away from the axis of the inserter.
前記筒状部は、任意の横断面において、前記スリットを挟んで向かい合う第１端部と第２端部とを有しており、前記第１端部と前記第２端部とは周方向に離間している、インサータ。 2. The inserter of claim 1 ,
An inserter, wherein the tubular portion has, in any cross-section, a first end and a second end facing each other across the slit, and the first end and the second end are spaced apart circumferentially.
前記筒状部は、任意の横断面において、前記スリットを挟んで向かい合う第１端部と第２端部とを有しており、前記第１端部と前記第２端部とは重なり合っている、インサータ。 2. The inserter of claim 1 ,
An inserter, wherein the tubular portion has a first end and a second end facing each other across the slit in any cross-section, the first end and the second end overlapping each other.
前記偏平部及び前記筒状部は、１枚のシート部材から形成されている、インサータ。 4. The inserter according to claim 1, further comprising:
The inserter, wherein the flat portion and the tubular portion are formed from a single sheet member.
前記シート部材は、一軸延伸されたＰＴＦＥ樹脂により形成され、
前記ＰＴＦＥ樹脂の延伸方向は、前記基端側開口から前記先端側開口まで延びる前記スリットの延伸方向と平行である、インサータ。 5. The inserter of claim 4 ,
The sheet member is formed of uniaxially stretched PTFE resin,
An inserter, wherein the extension direction of the PTFE resin is parallel to the extension direction of the slit extending from the base end opening to the tip end opening.
偏平形状を有する偏平部と、
前記偏平部よりも先端側に設けられた長尺状の筒状部と、
を備え、
前記筒状部は、
基端に設けられた基端側開口と、先端に設けられた先端側開口と、を有し、
前記筒状部の側面には、前記基端側開口と前記先端側開口とを接続するとともに、前記筒状部の内外を連通するスリットが設けられており、
基端部における前記筒状部の横断面形状は、基端側から先端側に向かって偏平形状から筒状へと遷移しており、
前記偏平部及び前記筒状部は、１枚のシート部材から形成されており、
前記シート部材は、一軸延伸されたＰＴＦＥ樹脂により形成され、
前記ＰＴＦＥ樹脂の延伸方向は、前記基端側開口から前記先端側開口まで延びる前記スリットの延伸方向と平行である、インサータ。 1. An inserter for assisting in the insertion of a medical device, comprising:
A flat portion having a flat shape;
A long cylindrical portion provided on a tip side of the flat portion;
Equipped with
The cylindrical portion is
The catheter has a base end opening at a base end and a tip end opening at a tip end,
a slit is provided on a side surface of the cylindrical portion, the slit connecting the base end opening and the tip end opening and communicating the inside and outside of the cylindrical portion;
The cross-sectional shape of the tubular portion at the base end transitions from a flat shape to a tubular shape from the base end side to the tip end side ,
the flat portion and the tubular portion are formed from a single sheet member,
The sheet member is formed of uniaxially stretched PTFE resin,
An inserter , wherein the extension direction of the PTFE resin is parallel to the extension direction of the slit extending from the base end opening to the tip end opening.
前記筒状部は、任意の横断面において、前記スリットを挟んで向かい合う第１端部と第２端部とを有しており、前記第１端部と前記第２端部とは周方向に離間している、インサータ。An inserter, wherein the tubular portion has, in any cross-section, a first end and a second end facing each other across the slit, and the first end and the second end are spaced apart circumferentially.
前記筒状部は、任意の横断面において、前記スリットを挟んで向かい合う第１端部と第２端部とを有しており、前記第１端部と前記第２端部とは重なり合っている、インサータ。An inserter, wherein the tubular portion has a first end and a second end facing each other across the slit in any cross-section, the first end and the second end overlapping each other.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/JP2021/041727 WO2023084734A1 (en) | 2021-11-12 | 2021-11-12 | Inserter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPWO2023084734A1 JPWO2023084734A1 (en) | 2023-05-19 |
| JPWO2023084734A5 true JPWO2023084734A5 (en) | 2024-05-30 |
Family
ID=86335393
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2023559342A Pending JPWO2023084734A1 (en) | 2021-11-12 | 2021-11-12 |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JPWO2023084734A1 (en) |
| WO (1) | WO2023084734A1 (en) |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4726369A (en) * | 1986-07-31 | 1988-02-23 | Advanced Cardiovascular Systems, Inc. | Tool and method for steering an angioplasty guide wire |
| JP4606755B2 (en) * | 2004-03-11 | 2011-01-05 | テルモ株式会社 | Long material introduction device |
-
2021
- 2021-11-12 JP JP2023559342A patent/JPWO2023084734A1/ja active Pending
- 2021-11-12 WO PCT/JP2021/041727 patent/WO2023084734A1/en active Application Filing
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