JPH06505188A - 操舵可能カニューレ - Google Patents
操舵可能カニューレInfo
- Publication number
- JPH06505188A JPH06505188A JP4506684A JP50668492A JPH06505188A JP H06505188 A JPH06505188 A JP H06505188A JP 4506684 A JP4506684 A JP 4506684A JP 50668492 A JP50668492 A JP 50668492A JP H06505188 A JPH06505188 A JP H06505188A
- Authority
- JP
- Japan
- Prior art keywords
- cannula
- elastic member
- distal segment
- state
- stress
- 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.)
- Granted
Links
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- 229910052725 zinc Inorganic materials 0.000 description 3
- 239000011701 zinc Substances 0.000 description 3
- 241001631457 Cannula Species 0.000 description 2
- JOYRKODLDBILNP-UHFFFAOYSA-N Ethyl urethane Chemical compound CCOC(N)=O JOYRKODLDBILNP-UHFFFAOYSA-N 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- GXCLVBGFBYZDAG-UHFFFAOYSA-N N-[2-(1H-indol-3-yl)ethyl]-N-methylprop-2-en-1-amine Chemical compound CN(CCC1=CNC2=C1C=CC=C2)CC=C GXCLVBGFBYZDAG-UHFFFAOYSA-N 0.000 description 2
- 239000004698 Polyethylene Substances 0.000 description 2
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- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 238000002399 angioplasty Methods 0.000 description 2
- 238000000137 annealing Methods 0.000 description 2
- 239000003146 anticoagulant agent Substances 0.000 description 2
- 229940127219 anticoagulant drug Drugs 0.000 description 2
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- 229940079593 drug Drugs 0.000 description 2
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- 238000010438 heat treatment Methods 0.000 description 2
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- 229920000573 polyethylene Polymers 0.000 description 2
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- 238000010129 solution processing Methods 0.000 description 2
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- 229910000811 surgical stainless steel Inorganic materials 0.000 description 2
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- 238000011144 upstream manufacturing Methods 0.000 description 2
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- 229920002818 (Hydroxyethyl)methacrylate Polymers 0.000 description 1
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
- 229910000881 Cu alloy Inorganic materials 0.000 description 1
- HTTJABKRGRZYRN-UHFFFAOYSA-N Heparin Chemical compound OC1C(NC(=O)C)C(O)OC(COS(O)(=O)=O)C1OC1C(OS(O)(=O)=O)C(O)C(OC2C(C(OS(O)(=O)=O)C(OC3C(C(O)C(O)C(O3)C(O)=O)OS(O)(=O)=O)C(CO)O2)NS(O)(=O)=O)C(C(O)=O)O1 HTTJABKRGRZYRN-UHFFFAOYSA-N 0.000 description 1
- WOBHKFSMXKNTIM-UHFFFAOYSA-N Hydroxyethyl methacrylate Chemical compound CC(=C)C(=O)OCCO WOBHKFSMXKNTIM-UHFFFAOYSA-N 0.000 description 1
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- 108090000435 Urokinase-type plasminogen activator Proteins 0.000 description 1
- BZHJMEDXRYGGRV-UHFFFAOYSA-N Vinyl chloride Chemical compound ClC=C BZHJMEDXRYGGRV-UHFFFAOYSA-N 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- HZEWFHLRYVTOIW-UHFFFAOYSA-N [Ti].[Ni] Chemical compound [Ti].[Ni] HZEWFHLRYVTOIW-UHFFFAOYSA-N 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 238000005275 alloying Methods 0.000 description 1
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- DMFGNRRURHSENX-UHFFFAOYSA-N beryllium copper Chemical compound [Be].[Cu] DMFGNRRURHSENX-UHFFFAOYSA-N 0.000 description 1
- 229910052797 bismuth Inorganic materials 0.000 description 1
- 238000012661 block copolymerization Methods 0.000 description 1
- 210000001124 body fluid Anatomy 0.000 description 1
- 239000010839 body fluid Substances 0.000 description 1
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- 229910017052 cobalt Inorganic materials 0.000 description 1
- 239000010941 cobalt Substances 0.000 description 1
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 1
- 210000001072 colon Anatomy 0.000 description 1
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- 239000000806 elastomer Substances 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- NBVXSUQYWXRMNV-UHFFFAOYSA-N fluoromethane Chemical compound FC NBVXSUQYWXRMNV-UHFFFAOYSA-N 0.000 description 1
- 231100001261 hazardous Toxicity 0.000 description 1
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- 210000003200 peritoneal cavity Anatomy 0.000 description 1
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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
- A61M25/01—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
- A61M25/0147—Tip steering devices with movable mechanical means, e.g. pull wires
-
- 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
- A61B1/00163—Optical arrangements
- A61B1/00165—Optical arrangements with light-conductive means, e.g. fibre optics
-
- 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
- A61B1/005—Flexible endoscopes
- A61B1/0058—Flexible endoscopes using shape-memory elements
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods
- A61B17/34—Trocars; Puncturing needles
- A61B17/3417—Details of tips or shafts, e.g. grooves, expandable, bendable; Multiple coaxial sliding cannulas, e.g. for dilating
- A61B17/3421—Cannulas
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods
- A61B17/00234—Surgical instruments, devices or methods for minimally invasive surgery
- A61B2017/00292—Surgical instruments, devices or methods for minimally invasive surgery mounted on or guided by flexible, e.g. catheter-like, means
- A61B2017/003—Steerable
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods
- A61B17/00234—Surgical instruments, devices or methods for minimally invasive surgery
- A61B2017/00292—Surgical instruments, devices or methods for minimally invasive surgery mounted on or guided by flexible, e.g. catheter-like, means
- A61B2017/003—Steerable
- A61B2017/00318—Steering mechanisms
- A61B2017/00331—Steering mechanisms with preformed bends
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods
- A61B2017/00831—Material properties
- A61B2017/00867—Material properties shape memory effect
-
- 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
- A61M25/0147—Tip steering devices with movable mechanical means, e.g. pull wires
- A61M2025/015—Details of the distal fixation of the movable mechanical means
-
- 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
- A61M25/0141—Tip steering devices having flexible regions as a result of using materials with different mechanical properties
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Surgery (AREA)
- Biophysics (AREA)
- Optics & Photonics (AREA)
- Veterinary Medicine (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Physics & Mathematics (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Anesthesiology (AREA)
- Hematology (AREA)
- Pulmonology (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Pathology (AREA)
- Radiology & Medical Imaging (AREA)
- Mechanical Engineering (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Media Introduction/Drainage Providing Device (AREA)
- Endoscopes (AREA)
- Laser Surgery Devices (AREA)
- Surgical Instruments (AREA)
Abstract
Description
Claims (1)
- 【特許請求の範囲】 1.(a)内側の管腔、周状の壁を有し、中空の曲がり可能な遠位セグメントを 含む長尺のチューブ、 (b)チューブの遠位セグメントに係合し、(i)曲がり形状、および(ii) 実質的に真っ直ぐな形状を有する弾性部材であって、弾性部材がその曲がり形状 にある場合、遠位セグメントを曲がらせるのに十分な剛性を有する弾性部材、並 びに(c)弾性部材が曲がるのを防止することができる矯正手段を有して成る製 造物品であって、 矯正手段および弾性部材は相対的に軸方向に動くことができ、そのような相対的 な軸方向の動きにより弾性部材が1つの形状からもう1つの形状に変形し、それ に対応してチューブの遠位セグメントが曲がりまたは曲がりから元に戻ることを 特徴とする物品。 2.弾性部材は、超弾性形状記憶合金から少なくとも部分的に作られた記憶合金 要素であり、この合金は、相対的により多くのマルテンサイトを含む応力誘起マ ルチンサイト状態および相対的により多くのオーステナイトを含むオーステナイ ト状態を有するように、ほぼ体温の温度において可逆的応力誘起マルチンサイト を示し、記憶合金要素は、合金が応力誘起マルテンサイト状態にある場合、曲が り形状にあり、矯正手段は、弾性部材を応力誘起マルテンサイト状態にまたその 状態から変態させることができる請求の範囲第1項記載の物品。 3.弾性部材は、超弾性形状記憶合金から少なくとも部分的に作られた記憶合金 要素であり、合金は、ほぼ体温の温度において可逆的応力誘起マルテンサイトを 示し、応力誘起マルテンサイト状態およびオーステナイト状態を有するようにな っており、記憶合金要素は、合金がその応力誘起マルテンサイト状態にある場合 、実質的に真っ直ぐな形状にあり、矯正手段は、弾性部材を応力誘起マルテンサ イト状態に、また、それから変態させることができる請求の範囲第1項記載の物 品。 4.弾性部材はチューブの管腔内に存在する請求の範囲第1項記載の物品。 5.矯正手段はチューブ状であり、弾性部材の周囲に位置する請求の範囲第4項 記載の物品。 6.弾性部材は、チューブの周状の壁に組み込まれている請求の範囲第1項記載 の物品。 7.軸方向に延在する複数の弾性部材を有して成る請求の範囲第1項、第2項ま たは第6項記載の物品。 8.弾性部材は、チューブの周囲で実質的に等間隔で離れている請求の範囲第7 項記載の物品。 9.弾性部材はチューブ状である請求の範囲第1項記載の物品。 10.矯正手段は、弾性部材の中に嵌め込まれるような寸法になっている請求の 範囲第9項記載の物品。 11.哺乳動物の体内に挿入できるような寸法になっている請求の範囲第1項記 載の物品。 12.複数の管腔をチューブが有する請求の範囲第11項記載の物品。 13.チューブは、内視鏡として使用するようになっている請求の範囲第12項 記載の物品。 14,チューブはステントとして使用するようになっている請求の範囲第11項 記載の物品。 15.チューブは哺乳動物の体内に治療または診断剤を挿入するようになってい る請求の範囲第11項記載の物品。 16.剛性化手段がチューブの管腔内に存在する請求の範囲第1項記載の物品。 17.矯正手段は、チューブ状であり、チューブと同心かつ同軸であり、チュー ブに対して軸方向に滑動可能である請求の範囲第16項記載の物品。 18.矯正手段は、チューブの周状の壁の外側に存在する請求の範囲第1〜17 項のいずれかに記載の物品。 19.弾性部材はチューブに直接接触する請求の範囲第1項記載の物品20.矯 正手段は弾性チューブに直接接触する請求の範囲第1項記載の物品。 21.弾性部材は1つの形状からもう1つの形状に熱を加えないで変形する請求 の範囲第1項、第2項または第3項に記載の物品。 22,矯正手段はチューブの壁に組み込まれている請求の範囲第1項記載の物品 。 23.哺乳動物の体内に挿入するのに適したデバイスであって、(a)内側の管 腔、周状の壁および中空の曲がり可能なポリマー遠位セグメントを有するカニュ ーレ、 (b)カニューレの管腔の内側にあり、曲がり形状および実質的にまっすぐな形 状を有し、曲がり形状にある場合、カニューレの遠位セグメントを曲げるように 十分な剛性を有する弾性部材であって、カニューレの遠位セグメントは、実質的 に真っ直ぐな形状にすることができるほどに十分な柔軟性を有する弾性部材、( c)カニューレの管腔内で軸方向に滑動可能であり、カニューレの遠位セグメン ト内に位置する場合、弾性部材により遠位セグメントが曲がり得ないように十分 に剛性を有する矯正手段、ならびに (d)カニューレの遠位セグメントに、また、遠位セグメントから軸方向に矯正 手段を滑動させるための滑動手段であって、それに対応してカニューレの遠位セ グメントを延ばしたり、あるいは曲げたりする滑動手段を有して成るデバイス。 24.弾性部材は、超弾性形状記憶合金から少なくとも部分的に形成された記憶 合金要素であり、この合金はストレス誘起マルチンサイト状態およびオーステナ イト状態を有するようにほぼ体温の温度において可逆的応力誘起マルテンサイト を示し、記憶合金要素は、合金がその応力誘起マルテンサイト状態にある場合、 実質的に直線状形状にあり、矯正手段は、弾性部材の温度変化を伴うことなく応 力誘起マルテンサイト状態から、また、その状態に弾性部材を変態させることが できる請求の範囲第22項記載のデバイス。 25.カニューレは、複数の管腔を有してなり、弾性部材が1つの管腔内に、矯 正手段がもう1つの管腔内に存在する請求の範囲第23項記載のデバイス。 26.矯正手段を軸方向に滑動させる手段は、矯正手段に取り付けられて、カニ ューレの近位端部に向かって延在するワイヤを有して成る請求の範囲第23項記 載のデバイス。 27.光ファイバー導光路を含む請求の範囲第23項記載のデバイス。 28.哺乳動物の体内に挿入するのに適当なデバイスであって、(a)内側の管 腔、周状の壁および中空の曲がり可能な遠位セグメントを有するカニューレ、 (b)カニューレの遠位セグメントに係合し、曲がり形状を有し、曲がり形状に ある場合、遠位セグメントを曲げるほどに十分に剛性を有し、実質的に直線状の 形状に変形することができる弾性部材、(c)カニューレの遠位セグメントに対 して近位側に存在する場合、カニューレの遠位セグメントを弾性部材が曲げるの を防止するように十分な剛性を有するチューブ状矯正手段、ならびに (d)カニューレの遠位セグメントに対して近位側にある第1状態とカニューレ の遠位セグメントから離れた第2状態との間でカニューレに沿って矯正手段を移 動し、それに対応して、カニューレの遠位セグメントを延ばしたりまたは曲げた りするための手段であって、矯正手段が第1状態にある場合、カニューレの遠位 セグメントは実質的に直線状であり、矯正手段が第2状態にある場合、カニュー レの遠位セグメントは曲がっている手段を有してなるデバイス。 29.矯正手段は、カニューレの外側に存在し、カニューレの周状の壁に沿って 滑動する請求の範囲第28項記載のデバイス。 30.矯正手段はカニューレの管腔の内側に存在する請求の範囲第28項記載の デバイス。 31.弾性部材はカニューレの壁の中に埋設されている請求の範囲第28項また は第30項記載のデバイス。 32.矯正手段はカニューレの管腔内に存在し、また、チューブ状であり、弾性 部材は矯正手段内に存在し、直線状部材は弾性部材に沿って軸方向に滑動可能で ある請求の範囲第28項記載のデバイス。 33.弾性部材はカニューレに取り付けられ、それに対して相対的に移動できな い請求の範囲第28項記載のデバイス。 34.弾性部材は螺旋状であり、剛化部材は螺旋の内側に存在する請求の範囲第 30項記載のデバイス。 35.哺乳動物の体内に挿入するのに適当なデバイスであって、(a)内側の管 腔、周状の壁および中空の曲がり可能な遠位セグメントを有するカニューレ、 (b)カニューレの内部にあり、カニューレの遠位セグメントに係合し、曲がり 形状および実質的に真っ直ぐな形状を有し、カニューレの遠位セグメントを弾性 部材の形状にほぼ適合させる程度に十分に剛性を有する中空のチューブ状弾性部 材、 (c)弾性部材の中に挿入することができ、弾性部材の内側に存在する場合、弾 性部材がカニューレの遠位セグメントを曲げるのを防止するのに十分な剛性を有 する矯正手段、ならびに (d)カニューレの内側にある矯正手段を、弾性部材の内側に位置させる第1状 態から弾性部材から離れた第2状態に移動し、矯正手段が第1状態にある場合の 実質的に直線状の形状から矯正手段が第2状態にある場合の曲がり形状にカニュ ーレの遠位セグメントを変形させるための手段を有して成るデバイス。 36.移動させるための手段が引っ張りワイヤを有して成る請求の範囲第35項 記載のデバイス。 37.哺乳動物の体内に挿入するのに適当にデバイスであって、(a)内側の管 腔、周状の壁および中空の曲がり可能な遠位セグメントを有するカニューレ、 (b)カニューレの内側に存在し、遠位セグメントに対して近位側にある第1状 態と遠位セグメントから離れた第2状態との間でカニューレ内で軸方向に滑動可 能であり、曲がり形状を有し、曲がり形状にある場合に遠位セグメントを曲がら せるのに十分な剛性を有し、実質的に真っ直ぐな形状に変形できる弾性部材、( c)カニューレ内に存在するチューブ状の実質的に真っ直ぐな剛化手段であって 、矯正手段は弾性部材を受容するような寸法の内側管腔を有し、矯正手段はカニ ューレの遠位セグメントから離れて位置し、弾性部材をその実質的に真っ直ぐな 形状に変形させる程度に十分な剛性を有する手段、ならびに(d)第1状態と第 2状態との間でカニューレ内において弾性部材を軸方向に移動するための手段で あって、第1状態にある弾性部材はカニューレの遠位セグメントを曲げ、第2状 態にある場合に矯正手段の内側に存在し、従って、実質的に真っ直ぐであり、そ れにより、対応してカニューレの遠位セグメントを曲げ、また延ばす手段 を有して成るデバイス。 38、曲がりくねったパスを通過するための方法であって、(a)請求の範囲第 1項に記載の物品を選択する工程、(b)曲がりくねったパスに物品を挿入する 工程であって、チューブの遠位セグメントを初めに挿入する工程、ならびに(c )弾性部材を1つの形状からもう1つの形状に変形させるために矯正手段と弾性 部材との間で相対的な軸方向の動きを起こし、それに対応してチューブの遠位セ グメントを曲げ、またはのばす工程を含んで成る方法。 39.曲がりくねったパスを哺乳動物の体内に存在する請求の範囲38項記載の 方法。 40.哺乳動物の体内の曲がりくねったパスを通過するための方法であって、( a)請求の範囲第23項記載のデバイスを選択する工程、(b)哺乳動物の体内 にデバイスを挿入する工程であって、カニューレの遠位セグメントを初めに挿入 し、遠位セグメントはカニューレの遠位セグメントを曲げ、また、延ばすための 滑動手段を有する工程、(c)カニューレの遠位セグメントを曲げ、また、延ば すための滑動手段により、遠位セグメントに、また、遠位セグメントから矯正手 段を軸方向に滑動する工程を含んで成る方法。 41.哺乳動物の体内の曲がりくねったパスを通過する方法であって、(a)請 求の範囲第28項記載のデバイスを選択する工程、(b)哺乳動物の体内にデバ イスを挿入する工程であって、カニューレの遠位セグメントを初めに挿入する工 程、ならびに(c)チューブの遠位セグメントを曲げ延ばしする、ために、第1 状態と第2状態との間でカニューレに沿って矯正手段を軸方向に滑動する工程を 含んで成る方法。 42.哺乳動物の体内の曲がりくねったパスを通過する方法であって、(a)請 求の範囲第35項記載のデバイスを選択する工程、(b)哺乳動物の体内にデバ イスを挿入する工程であって、カニューレの遠位セグメントを初めに挿入する工 程、ならびに(c)チューブの遠位セグメントを曲げるために第1状態から第2 状態に矯正手段を移動する工程 を含んで成る方法。 43.哺乳動物の体内の曲がりくねったパスを通過する方法であって、(a)請 求の範囲第37項記載のデバイスを選択する工程、(b)哺乳動物の体内にデバ イスを挿入する工程であって、カニューレの遠位セグメントを初めに挿入する工 程、ならびに(c)カニューレの遠位セグメントを曲がり形状に変形させるため に第1状態から第2状態にカニューレを移動する工程を含んで成る方法。 44.哺乳動物の体内に挿入するのに適当なデバイスであって、(a)内側管腔 および曲がり可能な遠位セグメントを有するカニューレ、(b)カニューレの遠 位セグメントに係合する長尺の弾性部材であって、弾性部材は超弾性形状記憶合 金から少なくとも部分的に形成された記憶合金要素であり、合金は、応力誘起マ ルテンサイト状態およびオーステナイト状態を有するように体温に近い温度にお いて可逆的応力誘起マルテンサイトを示し、弾性部材はその形状に対応する形状 を遠位セグメントが有することができるように十分に剛性を有し、弾性部材は、 合金が応力誘起マルテンサイト状態にある場合に実質的に真っ直ぐな形状にあり 、合金がそのオーステナイト状態にある場合に曲がり形状にある弾性部材、なら びに (c)弾性部材に接続された応力適応手段を有して成るデバイスであって、 応力適応手段に張力を加えると、合金は応力誘起マルチンサイト状態に変態し、 弾性部材は実質的に真っ直ぐな形状になり、カニューレの遠位セグメントは実質 的に真っ直ぐになり、応力適応手段への張力を開放すると、合金はオーステナイ ト状態に変態し、弾性手段は曲がり形状となり、カニューレの遠位セグメントを 曲げるようになっているデバイス。 45.弾性部材は長尺のワイヤである請求の範囲第43項記載のデバイス。 46.弾性部材はカニューレと実質的に同軸の螺旋状コイルである請求の範囲第 43項記載のデバイス。 47.弾性部材はカニューレの長手方向軸に沿ったジクザグ形状を有する請求の 範囲第43項記載のデバイス。 48.(a)内側の管腔および曲がり可能な遠位セグメントを有するチューブで あって、内側の管腔は、相対的に大きい直径の遠位部分および相対的に小さい直 径の隣接部分を有して成るチューブ、 (b)チューブの管腔内において軸方向に滑動可能な弾性記憶合金部材であって 、弾性部材は超弾性形状記憶合金から少なくとも部分的に形成され、合金は応力 誘起マルテンサイト状態およびオーステナイト状態を有するようにほぼ体温の温 度において可逆的応力誘起マルテンサイトを示し、記憶合金部材は、合金がその 応力誘起マルテンサイト状態にある場合に曲がり形状にあり、合金がオーステナ イト状態にある場合に実質的に真っ直ぐな形状にあり、記憶合金部材は、チュー ブの遠位セグメントを記憶合金部材の形状に適合させるのに十分な剛性を有する 弾性部材、ならびに (c)カニューレの遠位セグメントを延ばし、また、曲げるために、管腔の遠位 部分から管腔の隣接部分に記憶合金部材を移動するための手段を有してなるデバ イスであって、 管腔の遠位部分の直径は十分に大きく、記憶合金部材が管腔の遠位部分内に位置 する場合、合金はオーステナイト状態にあり、従って、記憶合金部材およびチュ ーブは実質的に真っ直ぐであり、また、管腔の隣接部分の直径は十分に小さく、 記憶合金要素が管腔の隣接部分内に位置する場合、合金はストレス誘起マルテン サイト状態にあり、従って、記憶合金部材はチューブの遠位セグメントを曲げる ようになっているデバイス。 49.(a)開口遠位セグメントおよび内側管腔を有する長尺の中空チューブで あって、遠位セグメントは十分に可撓性を有して曲がるようになっているチュー ブ、および (b)チューブの管腔に嵌め込まれるように寸法になっており、チューブ内で軸 方向に滑動可能でありチューブの開口遠位セグメントから出る弾性部材であって 、弾性部材の遠位端部においてループを形成する2つの長尺の実質的に平行なセ グメントを有してなる弾性部材 を有して成る曲がり可能なデバイスであって、弾性部材は、拘束されている場合 、第1方向において曲がろうとする弾性部材の一方のセグメントおよび第1方向 とは異なる第2方向において曲がろうとする弾性部材の他方のセグメントの結果 として、曲がって曲がり状態をとり、弾性部材の曲がりにより、チューブの遠位 セグメントが曲がるようになっているデバイス。 50.弾性部材は超弾性形状記憶合金から少なくとも部分的に形成された記憶合 金要素であり、合金は、相対的により多くのマルテンサイトを含む応力誘起マル テンサイト状態および相対的により多くのオーステナイトを含むオーステナイト 状態を有するようにほぼ体温の温度において可逆的応力誘起マルテンサイトを示 し、記憶合金要素は、合金がその応力誘起マルテンサイト状態にある場合に曲が り形状である請求の範囲第49項記載のデバイス。 51.(a)内側の管腔および中空の曲げ可能なポリマー遠位セグメントを有す るカニューレ、 (b)カニューレの遠位セグメントの管腔の内側に存在する複数の長尺の曲げ部 材であって、それぞれの曲げ部材はカニューレの遠位セグメントに曲げモーメン トを作用することができ、カニューレの遠位セグメントは、曲げ部材により曲が り得るほどに十分に可撓性を有し、それぞれの曲げ部材は、管腔内において長手 方向軸に沿って回転可能であり、それにより、曲げ部材によりカニューレに作用 する曲げモーメントの方向を変化させることができる部材、ならびに(c)カニ ューレの遠位セグメントを真っ直ぐにし、また、曲げるために1またはそれ以上 の曲げ部材を回転するための手段を有して成る物品。 52.(a)内側の管腔、中空の曲げ可能な遠位セグメントを有するカニューレ 、(b)カニューレの管腔の内側に存在する複数の長尺の曲げ部材であって、そ れぞれの曲げ部材は曲げモーメントをカニューレに作用することができ、長尺部 材は遠位セグメントに対する曲げモーメントの方向および力を変えるために、管 腔内において遠位セグメントに向かってまたそれから軸方向に移動可能である部 材、ならびに (c)管腔内において遠位セグメントにまたそれから曲げ部材を移動し、遠位セ グメントを曲げ、また、真っ直ぐにするための手段を有して成る物品。 53.少なくとも1つの曲げ部材が超弾性形状記憶合金から少なくとも部分的に 形成された記憶合金要素であり、合金は相対的により多くのマルテンサイトを含 む応力誘起マルテンサイト状態および相対的により多くのオーステナイトを含む オーステナイト状態を有するように人のほぼ体温の温度において可逆的応力誘起 マルテンサイトを示す請求の範囲第51項または第52項記載の物品。
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US07/656,261 US5231989A (en) | 1991-02-15 | 1991-02-15 | Steerable cannula |
| US656,261 | 1991-02-15 | ||
| PCT/US1992/001235 WO1992014506A1 (en) | 1991-02-15 | 1992-02-14 | Steerable cannula |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH06505188A true JPH06505188A (ja) | 1994-06-16 |
| JP3394535B2 JP3394535B2 (ja) | 2003-04-07 |
Family
ID=24632305
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP50668492A Expired - Lifetime JP3394535B2 (ja) | 1991-02-15 | 1992-02-14 | 哺乳動物の体内に挿入するのに適当なデバイス |
Country Status (8)
| Country | Link |
|---|---|
| US (2) | US5231989A (ja) |
| EP (2) | EP0571531B1 (ja) |
| JP (1) | JP3394535B2 (ja) |
| AT (1) | ATE200738T1 (ja) |
| AU (1) | AU1429492A (ja) |
| CA (1) | CA2101168A1 (ja) |
| DE (2) | DE69233585T2 (ja) |
| WO (1) | WO1992014506A1 (ja) |
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1991
- 1991-02-15 US US07/656,261 patent/US5231989A/en not_active Expired - Lifetime
-
1992
- 1992-02-14 DE DE69233585T patent/DE69233585T2/de not_active Expired - Lifetime
- 1992-02-14 CA CA002101168A patent/CA2101168A1/en not_active Abandoned
- 1992-02-14 JP JP50668492A patent/JP3394535B2/ja not_active Expired - Lifetime
- 1992-02-14 WO PCT/US1992/001235 patent/WO1992014506A1/en not_active Ceased
- 1992-02-14 AU AU14294/92A patent/AU1429492A/en not_active Abandoned
- 1992-02-14 AT AT92906952T patent/ATE200738T1/de not_active IP Right Cessation
- 1992-02-14 EP EP92906952A patent/EP0571531B1/en not_active Expired - Lifetime
- 1992-02-14 EP EP00122705A patent/EP1072280B1/en not_active Expired - Lifetime
- 1992-02-14 DE DE69231804T patent/DE69231804T2/de not_active Expired - Lifetime
-
1993
- 1993-07-28 US US08/079,717 patent/US5345937A/en not_active Expired - Lifetime
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002523152A (ja) * | 1998-08-19 | 2002-07-30 | クック インコーポレイティド | 予備成形ワイヤ・ガイド |
| WO2005099806A1 (ja) * | 2004-04-16 | 2005-10-27 | Kawasumi Laboratories, Inc. | ステントグラフト留置装置及び固定チップ |
| JPWO2005099806A1 (ja) * | 2004-04-16 | 2008-03-06 | 川澄化学工業株式会社 | ステントグラフト留置装置及び固定チップ |
| AU2005232510B2 (en) * | 2004-04-16 | 2010-02-18 | Kawasumi Laboratories, Inc. | Stent graft indwelling device and fixed chip |
| US8137393B2 (en) | 2004-04-16 | 2012-03-20 | Kawasumi Laboratories, Inc. | Stent graft indwelling device and fixed chip |
| JP2015521897A (ja) * | 2012-06-29 | 2015-08-03 | エシコン・エンド−サージェリィ・インコーポレイテッドEthicon Endo−Surgery,Inc. | 関節運動するシャフトを備えた外科用器具 |
| JP2015534855A (ja) * | 2012-11-07 | 2015-12-07 | スリーエヌティー・メディカル・リミテッド | 副鼻腔アクセスシステム |
| US10258225B2 (en) | 2012-11-07 | 2019-04-16 | 3Nt Medical Ltd. | Paranasal sinus access system |
| US11206972B2 (en) | 2016-06-06 | 2021-12-28 | 3Nt Medical Ltd. | Modular body cavity access system |
| US11969156B2 (en) | 2016-06-06 | 2024-04-30 | 3Nt Medical Ltd. | Modular body cavity access system |
| US12329363B2 (en) | 2016-06-06 | 2025-06-17 | 3Nt Medical Ltd. | Modular body cavity access system |
| JP2020512049A (ja) * | 2016-12-23 | 2020-04-23 | ゼニオス アーゲー | ワイヤが沿って延びるカニューレ |
| JP2023033621A (ja) * | 2019-12-13 | 2023-03-10 | 日本ライフライン株式会社 | カテーテル |
Also Published As
| Publication number | Publication date |
|---|---|
| DE69231804D1 (de) | 2001-05-31 |
| US5231989A (en) | 1993-08-03 |
| WO1992014506A1 (en) | 1992-09-03 |
| ATE200738T1 (de) | 2001-05-15 |
| EP0571531A4 (ja) | 1994-01-19 |
| DE69233585T2 (de) | 2006-08-24 |
| EP0571531B1 (en) | 2001-04-25 |
| EP0571531A1 (en) | 1993-12-01 |
| US5345937A (en) | 1994-09-13 |
| EP1072280A2 (en) | 2001-01-31 |
| EP1072280A3 (en) | 2003-10-22 |
| EP1072280B1 (en) | 2005-12-21 |
| DE69233585D1 (de) | 2006-01-26 |
| CA2101168A1 (en) | 1992-08-16 |
| JP3394535B2 (ja) | 2003-04-07 |
| AU1429492A (en) | 1992-09-15 |
| DE69231804T2 (de) | 2001-08-09 |
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