JP4621208B2 - 分離可能な複合カテーテル組立体 - Google Patents
分離可能な複合カテーテル組立体 Download PDFInfo
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- JP4621208B2 JP4621208B2 JP2006538203A JP2006538203A JP4621208B2 JP 4621208 B2 JP4621208 B2 JP 4621208B2 JP 2006538203 A JP2006538203 A JP 2006538203A JP 2006538203 A JP2006538203 A JP 2006538203A JP 4621208 B2 JP4621208 B2 JP 4621208B2
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- JP
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- Prior art keywords
- catheter
- cross
- section
- distal
- catheter assembly
- 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.)
- Expired - Fee Related
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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
- A61M25/0023—Catheters; Hollow probes characterised by the form of the tubing by the form of the lumen, e.g. cross-section, variable diameter
- A61M25/0026—Multi-lumen catheters with stationary elements
- A61M25/0029—Multi-lumen catheters with stationary elements characterized by features relating to least one lumen located at the middle part of the catheter, e.g. slots, flaps, valves, cuffs, apertures, notches, grooves or rapid exchange ports
-
- 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
- A61M1/3621—Extra-corporeal blood circuits
- A61M1/3653—Interfaces between patient blood circulation and extra-corporal blood circuit
- A61M1/3659—Cannulae pertaining to extracorporeal circulation
- A61M1/3661—Cannulae pertaining to extracorporeal circulation for haemodialysis
-
- 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
- A61M25/0023—Catheters; Hollow probes characterised by the form of the tubing by the form of the lumen, e.g. cross-section, variable diameter
- A61M25/0026—Multi-lumen catheters with stationary elements
-
- 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
- A61M25/0023—Catheters; Hollow probes characterised by the form of the tubing by the form of the lumen, e.g. cross-section, variable diameter
- A61M25/0026—Multi-lumen catheters with stationary elements
- A61M25/003—Multi-lumen catheters with stationary elements characterized by features relating to least one lumen located at the distal part of the catheter, e.g. filters, plugs or valves
- A61M2025/0031—Multi-lumen catheters with stationary elements characterized by features relating to least one lumen located at the distal part of the catheter, e.g. filters, plugs or valves characterized by lumina for withdrawing or delivering, i.e. used for extracorporeal circuit treatment
-
- 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
- A61M25/0023—Catheters; Hollow probes characterised by the form of the tubing by the form of the lumen, e.g. cross-section, variable diameter
- A61M25/0026—Multi-lumen catheters with stationary elements
- A61M2025/0034—Multi-lumen catheters with stationary elements characterized by elements which are assembled, connected or fused, e.g. splittable tubes, outer sheaths creating lumina or separate cores
-
- 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
- A61M25/0023—Catheters; Hollow probes characterised by the form of the tubing by the form of the lumen, e.g. cross-section, variable diameter
- A61M25/0026—Multi-lumen catheters with stationary elements
- A61M2025/0037—Multi-lumen catheters with stationary elements characterized by lumina being arranged side-by-side
-
- 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
- A61M25/0023—Catheters; Hollow probes characterised by the form of the tubing by the form of the lumen, e.g. cross-section, variable diameter
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Heart & Thoracic Surgery (AREA)
- Hematology (AREA)
- Public Health (AREA)
- Anesthesiology (AREA)
- Biomedical Technology (AREA)
- Engineering & Computer Science (AREA)
- Veterinary Medicine (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Pulmonology (AREA)
- Biophysics (AREA)
- Vascular Medicine (AREA)
- Urology & Nephrology (AREA)
- Cardiology (AREA)
- Media Introduction/Drainage Providing Device (AREA)
- External Artificial Organs (AREA)
Description
14 体
16 皮下部位
18 切開口
20 挿入サイト
21 カテーテライズすべき部位
22 静脈
24 トンネル
100、300、400 複合カテーテル組立体
102 カニュレーティング部分
104 外表面
106 概ね円形断面
110、310、410 第1のカテーテル
111 第1の基端部
112 第1の基端領域
113 第1の延伸管組立体
114 第1の末端領域
116、314、412 第1の末端チップ
117 第1の末端部の概ね卵形断面
118 第1の末端開口
119、139 末端遷移部分
120 第1の外表面
122、311 第1のルーメン
124 第1の概ね平らな部分
125 第1の湾曲した壁部分(カフ)
126 概ね卵形断面
128、148 半円形断面
130、340、430 第2のカテーテル
131 第2の基端部
132 第2の基端領域
133 第2の延伸管組立体
134 第2の末端部領域
136、344、432 第2の末端チップ
137 第2の末端部の概ね卵形断面
138 第2の末端開口
140 第2の外表面
142、341 第2のルーメン
144 第2の概ね平らな部分
145 第2の湾曲した壁部分
146 概ね円形断面
150、450 ハブ
151 ヒンジ
152、184、312、342 末端部
154、182、320、350、324、354 基端部
155 末端チャンネル
156 縫合ウイング
157 縫合ウイング組立体
158 第1の基部側チャンネル
159 第2の基部側チャンネル
160 表側ハブ部分
162 裏側ハブ部分
164、166 内面
172 タブ
174 リセス
176 バンプ
178 くぼみ
180 分割可能な結合
186 第1の遷移部分
188 第2の遷移部分
194 側面開口
196 延伸管
198 ルアー・コネクタ
200 コネクタ部分
202、323、353 クランプ
204 管コネクタ
205 バーブ
206 圧縮フィッティング
208 雌ねじ付きコネクタ部分
210 アダプタ
214 トロカール
318、348、349 側部開口
316、346 末端チップ開口
322 第1の延伸管
326、426 ルアー・フィッティング
328、434 雄ねじ
329 テーパ通路
352 第2の延伸管
360 カフ
428 基部側部分
430 末端部分
432 カニューレ
436 雌ねじ
450 カテーテル保持カフ
Claims (7)
- 第1の材料で構成され、第1の基端領域と、第1の末端チップで終点する第1の末端領域と、前記第1の基端領域及び前記第1の末端領域を通じて前後方向に延びる少なくとも1つの第1のルーメンを形成する第1の外表面とを有し、前記第1の基端領域が第2の材料で構成された延伸管に一体的に接続された、第1のカテーテルと、
前記第1の材料で構成され、第2の基端領域と、第2の末端チップで終点する第2の末端領域と、前記第2の基端領域及び前記第2の末端領域を通じて前後方向に延びる少なくとも1つの第2のルーメンを形成する第2の外表面とを有し、前記第2の基端領域が前記第2の材料で構成された延伸管に一体的に接続された、第2のカテーテルと、
を備える複合カテーテル組立体であって、
前記第1の末端チップは、第1の断面を持つ外側末端面を有し、
前記第2の末端チップは、前記第1の断面とは異なる第2の断面を持つ外側末端面を有し、
前記第1のカテーテルは、
前記第1の末端チップから前記第1の外表面まで延在し、前記第1の末端チップの前記第1の断面から前記第1の断面とは異なる前記第1の外表面の断面まで断面積が漸次増加する第1の遷移領域を有し、
前記第2のカテーテルは、
前記第2の末端チップから前記第2の外表面まで延在し、前記第2の末端チップの前記第2の断面から前記第2の断面とは異なる前記第2の外表面の断面まで断面積が漸次増加する第2の遷移領域を有し、
前記第1のルーメンと前記第2のルーメンとは、同時的な互いに反対方向への流れを容易にするために互いに独立し、
前記第1のカテーテルの第1の部分と前記第2のカテーテルの第2の部分とは、前記第1及び第2のカテーテルを互いに少なくとも部分的に前後方向に裂けることを可能とするように、分割可能な結合によって分離可能につながれて、第3の断面を持つ外表面を有する単一のカテーテルを形成し、
前記第1のカテーテルは、前記第2のカテーテルよりも末端側の長さが短く、
前記第1の断面は、卵形状を有し、
前記第2の断面は、前記第3の断面と同一の円形状を有し、前記第3の断面よりも小さい、複合カテーテル組立体。 - 前記第1の遷移領域は、前記第1の末端チップの前記第1の断面から前記第1の外表面の断面まで直線的に遷移し、
前記第2の遷移領域は、前記第2の末端チップの前記第2の断面から前記第2の外表面の断面まで直線的に遷移する、請求項1に記載の複合カテーテル組立体。 - 前記第1の末端領域以外の前記第1のカテーテルの前記第1の外表面は、D形状の断面を有し、
前記第1の遷移領域の断面積は、前記卵形状から前記D形状に向けて増加し、
前記第1のカテーテルの前記第1の遷移領域は、前記第2のカテーテルの概ね平らな側面に隣接し、
前記第2のカテーテルには、前記概ね平らな側面に沿った前記遷移領域の最も基部側の部分に、ガイド部材挿入用の側部開口が設けられている、請求項1又は2に記載の複合カテーテル組立体。 - 前記側部開口は、前記第1のカテーテルの前記第1の末端チップよりも末端側に設けられている、請求項3に記載の複合カテーテル組立体。
- 更に、前記第1及び第2のカテーテルを分離可能に係合するように構成されたハブを含む、請求項1〜4のいずれか1つに記載の複合カテーテル組立体。
- 更に、前記第1及び第2のカテーテルに前記長さに沿う位置で取り付け可能な、ファブリック又は線維状カフを含む、請求項1〜4のいずれか1つに記載の複合カテーテル組立体。
- 前記第1のカテーテルは、前記第1の部分において、概ね平らな第1の側面を有し、
前記第2のカテーテルは、前記第2の部分において、前記第1の側面と対向する概ね平らな第2の側面を有し、
前記分割可能な結合は、前記第1のカテーテルの前記概ね平らな第1の側面と前記第2のカテーテルの前記概ね平らな第2の側面との間で前後方向に延びると共に、前記複合カテーテル組立体を横切って測定した前記複合カテーテル組立体の外径よりも有意に小さい断面形状を有する、
請求項1に記載の複合カテーテル組立体。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/695,178 US8246600B2 (en) | 2002-10-31 | 2003-10-28 | Multiple catheter assembly |
PCT/US2004/035580 WO2005042056A2 (en) | 2003-10-28 | 2004-10-27 | Splittable multiple catheter assembly |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2007533365A JP2007533365A (ja) | 2007-11-22 |
JP4621208B2 true JP4621208B2 (ja) | 2011-01-26 |
Family
ID=34549971
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2006538203A Expired - Fee Related JP4621208B2 (ja) | 2003-10-28 | 2004-10-27 | 分離可能な複合カテーテル組立体 |
Country Status (8)
Country | Link |
---|---|
US (2) | US8246600B2 (ja) |
EP (2) | EP2305338B1 (ja) |
JP (1) | JP4621208B2 (ja) |
AT (1) | ATE516837T1 (ja) |
CA (2) | CA2660712C (ja) |
DE (1) | DE04796500T1 (ja) |
ES (2) | ES2694485T3 (ja) |
WO (1) | WO2005042056A2 (ja) |
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EP1687044A2 (en) | 2006-08-09 |
CA2543929A1 (en) | 2005-05-12 |
CA2660712A1 (en) | 2005-05-12 |
EP2305338B1 (en) | 2018-10-10 |
CA2660712C (en) | 2011-11-15 |
ES2694485T3 (es) | 2018-12-21 |
WO2005042056A3 (en) | 2006-10-26 |
CA2543929C (en) | 2011-10-11 |
DE04796500T1 (de) | 2007-08-02 |
ATE516837T1 (de) | 2011-08-15 |
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