JP5396272B2 - 臓器内圧力軽減のための方法、システムおよび装置 - Google Patents
臓器内圧力軽減のための方法、システムおよび装置 Download PDFInfo
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- A61F9/00—Methods or devices for treatment of the eyes; Devices for putting in contact-lenses; Devices to correct squinting; Apparatus to guide the blind; Protective devices for the eyes, carried on the body or in the hand
- A61F9/007—Methods or devices for eye surgery
- A61F9/00781—Apparatus for modifying intraocular pressure, e.g. for glaucoma treatment
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- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L31/00—Materials for other surgical articles, e.g. stents, stent-grafts, shunts, surgical drapes, guide wires, materials for adhesion prevention, occluding devices, surgical gloves, tissue fixation devices
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- A61F9/00—Methods or devices for treatment of the eyes; Devices for putting in contact-lenses; Devices to correct squinting; Apparatus to guide the blind; Protective devices for the eyes, carried on the body or in the hand
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Description
本願は、米国仮特許出願第60/806,402号(2006年6月30日出願)の利益および優先権を主張するものであり、その全内容は、参照によって本明細書に援用される。
本開示は、概して、眼などの(しかし、これだけに限定されない)臓器から流体圧力を軽減する方法、システム、および装置に関する。特に、本開示は、眼の中の圧力を軽減することによって緑内障を治療する方法および装置に関する。
本発明はまた、以下の項目を提供する。
(項目1)
植え込み可能な微小フィステルチャネルであって、
少なくとも1つの内部流路を画定する生体吸収性のチャネル本体を備え、
該チャネル本体は架橋されたゼラチンでできており、該本体は拡張可能な外径を有し、
該少なくとも1つの内部流路は、約50と250ミクロンとの間の直径を有する、チャネル。
(項目2)
上記本体は、上記外径が拡張させられたときに縮小しない内径を有する、項目1に記載のチャネル。
(項目3)
上記外径は、拡張させられたときに約200〜360ミクロンである、項目2に記載のチャネル。
(項目4)
所望の解剖学的位置に植え込まれた上記チャネルは、患者の体内での排水構造の発達を促進することができる、項目1に記載のチャネル。
(項目5)
上記排水構造はリンパ管を含む、項目4に記載のチャネル。
(項目6)
上記排水構造は静脈を含む、項目4に記載のチャネル。
(項目7)
上記本体は、可変の外径と、近位端と、遠位端とを備え、該外径が該近位端と該遠位端とで異なる、項目1に記載のチャネル。
(項目8)
上記本体は先細である、項目7に記載のチャネル。
(項目9)
上記本体は外面を備え、該外面上に少なくとも1つの固定具を含む、項目1に記載のチャネル。
(項目10)
上記固定具はバーブを含む、項目9に記載のチャネル。
(項目11)
上記固定具は展開可能なタブを含む、項目9に記載のチャネル。
(項目12)
上記展開可能なタブは、上記チャネルが水を含んだ環境に曝されると、上記外面から離れる方向に展開する項目11に記載のチャネル。
(項目13)
上記本体は、その中に組み込まれた薬用化合物を含む、項目1に記載のチャネル。
(項目14)
植え込み可能な微小フィステルチャネルを作製する方法であって、
(a)ゼラチン溶液を提供することと、
(b)外面を有する、概して円柱状の中実の支持体を提供することであって、該支持体は約50〜250ミクロンの直径を有する、ことと、
(c)該支持体外面を被膜するのに十分な期間にわたって該支持体の該外面を該ゼラチンと接触させることと、
(d)該支持体上に中空のゼラチンチャネルを形成することと、
(e)該形成されたチャネルを選択された期間の間に硬化させることと、
(f)該ゼラチンチャネルを架橋処理にかけることと、
(g)該架橋されたチャネルを該支持体から取り外すことと
を含む、方法。
(項目15)
ゼラチン溶液の槽を提供することを含む、項目14に記載の方法。
(項目16)
上記槽を選択された温度に維持することを含む、項目15に記載の方法。
(項目17)
上記槽を約40°〜60℃の温度に維持することを含む、項目16に記載の方法。
(項目18)
上記ゼラチン溶液は水中に溶解したゼラチンを約40重量%含む、項目15に記載の方法。
(項目19)
上記ゼラチン溶液を攪拌することを含む、項目15に記載の方法。
(項目20)
上記円筒状の支持体は生体適合性材料で被膜されたステンレス鋼ワイヤを含む、項目14に記載の方法。
(項目21)
上記被膜はポリテトラフルオロエチレンである、項目20に記載の方法。
(項目22)
上記ワイヤを上記ゼラチン溶液を含む槽に浸漬することによって、上記支持体を上記ゼラチンに接触させることを含む、項目14に記載の方法。
(項目23)
上記ワイヤの一端におもりを提供することを含む、項目20に記載の方法。
(項目24)
上記浸漬するステップを繰り返すことを含む、項目22に記載の方法。
(項目25)
上記浸漬することの間に、上記ワイヤを回転させることを含む、項目22に記載の方法。
(項目26)
上記接触させることは回転中の支持体の上にゼラチン溶液を噴霧することを含む、項目14に記載の方法。
(項目27)
上記ゼラチン溶液は約200〜500cPの粘度を有する、項目14に記載の方法。
(項目28)
架橋処理の前に少なくとも1時間にわたって上記ゼラチンチャネルを乾燥させることを含む、項目14に記載の方法。
(項目29)
上記ゼラチンチャネルを10〜20時間にわたって乾燥させることを含む、項目14に記載の方法。
(項目30)
約20°〜25℃、相対湿度約30%〜40%において、上記ゼラチンチャネルを硬化させることを含む、項目29に記載の方法。
(項目31)
上記形成されたゼラチンチャネルを架橋剤と接触させることによって、上記ゼラチンチャネルを架橋処理にかけることを含む、項目14に記載の方法。
(項目32)
上記架橋剤はグルタルアルデヒド溶液を含む、項目31に記載の方法。
(項目33)
上記ゼラチンチャネルを25%のグルタルアルデヒド溶液に浸漬することを含む、項目32に記載の方法。
(項目34)
ゼラチン膜で被覆された上記支持体を25%のグルタルアルデヒド溶液に浸漬することを含む、項目33に記載の方法。
(項目35)
上記ゼラチンチャネルを上記グルタルアルデヒドに少なくとも4時間にわたって接触させることを含む、項目34に記載の方法。
(項目36)
上記ゼラチンチャネルを上記グルタルアルデヒド溶液に約16時間にわたって接触させることを含む、項目35に記載の方法。
(項目37)
上記接触させることの後に、上記ゼラチンチャネルをすすぎ溶液ですすぐことを含む、項目14に記載の方法。
(項目38)
上記すすぐことの後に、上記ゼラチンチャネルを乾燥させることを含む、項目37に記載の方法。
(項目39)
上記ゼラチンチャネルを約48〜96時間にわたって乾燥させることを含む、項目38に記載の方法。
(項目40)
上記25%のグルタルアルデヒド溶液は、4℃においてpHが約7.35〜7.44で
ある、項目34に記載の方法。
(項目41)
上記架橋処理を行うことは、上記ゼラチンチャネルを放射線に曝すことを含む、項目14に記載の方法。
(項目42)
上記放射線はガンマ線および電子線の放射線から成る群から選択される、項目41に記載の方法。
(項目43)
上記チャネルをクエンチ剤で処理することをさらに含む、項目29に記載の方法。
(項目44)
上記架橋剤は1−エチル−3−[e−(ジメチルアミノ)プロピル]カルボジイミドを含む、項目29に記載の方法。
(項目45)
上記ゼラチンチャネルの少なくとも上記外面に薬剤を導入することを含む、項目14に記載の方法。
(項目46)
上記薬剤は治療薬である、項目45に記載の方法。
(項目47)
上記すすぎ溶液は水を含む、項目37に記載の方法。
(項目48)
微小フィステルチャネルを対象の臓器に植え込む装置であって、
開放遠位端と、近位端と、内部チャンバとを有する筐体を備える再利用可能部分と、
該筐体内のアーム部分組み立て体であって、使い捨ての針組み立て体を受け入れて係合するように適合される可動アームを1つ以上備えた、アーム部分組み立て体と、
該アーム部分組み立て体の該1つ以上の可動アームに結合された1つ以上の駆動装置と
を備える、装置。
(項目49)
上記アーム部分組み立て体に取り付けられた針組み立て体を含む、項目48に記載の装置。
(項目50)
上記針組み立て体は、鋭利な遠位端で終端する遠位部分を有する中空の針を備え、該針が針ハブに取り付けられる、項目49に記載の装置。
(項目51)
上記中空の針の中に配設されたガイドワイヤを備える、項目50に記載の装置。
(項目52)
上記ガイドワイヤは自由な遠位端とガイドワイヤハブに取り付けられた近位端とを有する、項目51に記載の装置。
(項目53)
上記針組み立て体は概して円筒状のプランジャを備える、項目49に記載の装置。
(項目54)
上記ガイドワイヤの上に配置された中空の円筒状プランジャを備える、項目53に記載の装置。
(項目55)
上記プランジャと上記ガイドワイヤとは同軸である、項目54に記載の装置。
(項目56)
上記プランジャは、遠位の自由端で終端し、プランジャハブに取り付けられた近位端を有する、項目53に記載の装置。
(項目57)
上記プランジャは中空の管を備える、項目56に記載の装置。
(項目58)
上記押し込み面は上記プランジャの残りの部分より大きい外径を有する、項目57に記載の装置。
(項目59)
上記ガイドワイヤハブが上記プランジャハブの上記内径より小さい外形を有することにより、上記ガイドワイヤは該プランジャハブによって摺動可能に受け入れられる、項目54に記載の装置。
(項目60)
上記プランジャの自由端より遠位の上記ガイドワイヤ上に摺動可能に配置される生体適合性の生体吸収性微小フィステルチャネルをさらに含む、項目56に記載の装置。
(項目61)
上記アーム部分組み立て体は上記ガイドワイヤと、上記プランジャと、上記針とを受け入れるように適合される、項目52に記載の装置。
(項目62)
上記アーム部分組み立て体は、上記ガイドワイヤを受け入れるアームと、上記プランジャを受け入れるアームと、上記針を受け入れるアームとを備える、項目61に記載の装置。
(項目63)
上記ガイドワイヤアームが上記ガイドワイヤハブを受け入れるように適合される、項目62に記載の装置。
(項目64)
上記ガイドワイヤアームは上記ガイドワイヤハブを受け入れるスロットを備える、項目63に記載の装置。
(項目65)
上記プランジャアームが上記プランジャハブを受け入れるように適合される、項目64に記載の装置。
(項目66)
上記プランジャアームは上記プランジャハブを受け入れるスロットを備える、項目65に記載の装置。
(項目67)
上記針アームが上記針ハブを受け入れるように適合される、項目60に記載の装置。
(項目68)
上記針アームは上記針ハブを受け入れるスロットを備える、項目66に記載の装置。
(項目69)
上記針の上記遠位部分は直線状である、項目68に記載の装置。
(項目70)
上記針の上記遠位部分は曲がっている、項目69に記載の装置。
(項目71)
上記針の上記遠位部分は弧状である、項目70に記載の装置。
(項目72)
上記針は長手方向軸を有する針軸を含み、該針の上記先端が該針軸の該長手方向軸に対して斜めに設けられる、項目71に記載の装置。
(項目73)
上記遠位部分は上記針軸から離れる方向に90°〜180°の間の角度で屈曲している、項目70に記載の装置。
(項目74)
上記中空の針が剛性の金属で作製される、項目73に記載の装置。
(項目75)
上記中空の針がステンレス鋼で作製される、項目74に記載の装置。
(項目76)
上記ガイドワイヤおよび上記プランジャのうちの少なくとも1つの少なくとも一部が可撓性である、項目75に記載の装置。
(項目77)
上記ガイドワイヤの少なくとも一部がコイルまたはスプリングを含む、項目76に記載の装置。
(項目78)
上記ガイドワイヤおよびプランジャのうちの少なくとも1つの少なくとも一部が可撓性材料で作製される、項目76に記載の装置。
(項目79)
ポリイミド、PEEK、Pebax、テフロン(登録商標)、およびニチノールから成る群から材料が選択される項目78に記載の装置。
(項目80)
上記1つ以上の駆動装置は上記アーム部分組み立て体のアームに結合された複数のモータを含む、項目48に記載の装置。
(項目81)
上記アーム部分組み立て体はガイドワイヤアームを含み、上記モータのうちの1つは該ガイドワイヤアームに結合される、項目48に記載の装置。
(項目82)
上記駆動装置は回転可能な蝶ねじを備える、項目48に記載の装置。
(項目83)
上記駆動装置はトリガによって駆動されるプランジャを備える、項目48に記載の装置。
(項目84)
微小フィステルチャネルを患者の臓器に植え込むシステムであって、
a)針組み立て体を受け入れるように適合される再利用可能部分と、
b)針組み立て体を備える使い捨て部分であって、該針組み立て体は、鋭利な先端で終端する中空の針と、該中空の針の中に配設されるガイドワイヤと、該針の中に配設されるプランジャとを備える、使い捨て部分と、
c)少なくとも該ガイドワイヤおよび該プランジャを選択的に移動させる、事前にプログラムされた命令を含む、マイクロプロセッサに基づく制御装置と
を備えるシステム
(項目85)
上記ガイドワイヤおよびプランジャのうちの少なくとも1つを前進または後退させる駆動装置をさらに備える、項目84に記載のシステム。
(項目86)
上記駆動装置はモータを備える、項目85に記載のシステム。
(項目87)
上記電源と上記マイクロプロセッサに基づく制御装置とに結合されたモータを少なくとも1つ備える、項目86に記載のシステム。
(項目88)
上記制御装置が上記再利用可能な部分および使い捨て部分の外側に配置される、項目87に記載のシステム。
(項目89)
上記再利用可能部分は装置を備え、該装置は、
開放遠位端と、近位端と、内部チャンバとを有する筐体と、
該筐体内のアーム部分組み立て体であって、使い捨ての針組み立て体を受け入れて係合するように適合された可動アームを1つ以上備える、アーム部分組み立て体と、
該アーム部分組み立て体の該1つ以上の可動アームに結合された1つ以上の駆動装置と
を含む、項目84に記載のシステム。
(項目90)
上記再利用可能部分は、ガイドワイヤと、プランジャと、中空の針とを含む上記針組み立て体を受け入れるように適合されるアーム部分組み立て体を備える、項目84に記載のシステム。
(項目91)
上記アーム部分組み立て体は、上記ガイドワイヤを受け入れるアームと、上記プランジャを受け入れるアームと、上記針を受け入れるアームとを備える、項目89に記載の装置。
(項目92)
上記制御装置は上記1つ以上の駆動装置に結合される、項目85に記載のシステム。
(項目93)
上記1つ以上の駆動装置は、上記制御装置に結合された複数のモータを備え、該モータのそれぞれは個別に制御可能である、項目84に記載のシステム。
(項目94)
上記1つ以上の可動アームの移動を開始する足踏みスイッチをさらに備える、項目89に記載の装置。
(項目95)
上記複数のモータは並列構成に配設される、項目93に記載のシステム。
(項目96)
微小フィステルチャネルを対象の臓器に植え込む方法であって、
(a)尖った遠位端を有する中空の針と、該針の中の生体吸収性微小フィステルチャネルと、該微小フィステルチャネルに対して近位に配置されたプランジャとを含む手持ち式植え込み装置を提供することと、
(b)該尖った遠位端を該対象の臓器に導入することと、
(c)該針を所望の植え込み領域まで前進させることと、
(d)該微小フィステルチャネルを該所望の植え込み領域まで前進させるために該プランジャを作動させることと、
(e)ガイドワイヤを該植え込み領域から引き抜くことと、
(f)該針を該臓器から除去することと
を含む、方法。
(項目97)
上記臓器は眼であり、上記方法は上記尖った遠位端を該眼の前房に導入することを含む、項目96に記載の方法。
(項目98)
上記針を上記眼の上記前房を通って前進させることを含む、項目97に記載の方法。
(項目99)
上記微小フィステルチャネルを上記眼の中の選択された位置まで送達することを含み、それによって、該微小フィステルチャネルの1つの端が上記前房内に存在し、該微小フィステルチャネルの第2の端が結膜下空間に存在する、項目98に記載の方法。
(項目100)
上記チャネルを上記眼の中の選択された位置まで送達することを含み、上記管の1つの端が上記前房内に存在し、該チャネルの第2の端が脈絡膜上腔内に存在する、項目96に記載の方法。
(項目101)
上記微小フィステルチャネルを選択された速度で前進させることを含む、項目100に記載の方法。
(項目102)
上記尖った遠位端を上記眼の中に導入する前に、該眼に切開を作成することを含む、項目95に記載の方法。
(項目103)
上記装置は上記中空の針の中にガイドワイヤを含み、上記チャネルは該ガイドワイヤの周囲に同軸に配設される、項目94に記載の方法。
(項目104)
上記導入するステップの前に、上記針と、上記ガイドワイヤと、上記プランジャとを開始位置に配置することを含む、項目103に記載の方法。
(項目105)
上記導入するステップの前に、上記ガイドワイヤと上記プランジャとを装填位置まで移動させることを含む、項目104に記載の方法。
(項目106)
上記針と、上記ガイドワイヤと、上記プランジャとを備えた針組み立て体を上記装置の中に導入することを含む、項目105に記載の方法。
(項目107)
弧状の遠位部分を有する針を提供することと、該針の上記鋭利な先端を上記眼の上記前房の中に導入することとを含む、項目96に記載の方法。
(項目108)
上記針を回転させることと、該針を引張ることによって該針を上記所望の植え込み領域まで前進させることとを含む、項目107に記載の方法。
(項目109)
上記ガイドワイヤを除去する前に、上記微小フィステルチャネルと上記プランジャの上記遠位端とが見えるまで、上記針を部分的に後退させることを含む、項目106に記載の方法。
(項目110)
上記装置に接続された事前にプログラムされた制御装置によって、少なくとも上記ステップ(d)〜(e)が自動的に実行される、項目107に記載の方法。
(項目111)
天然の細胞が並んだチャネルを上記臓器内に形成することを含む、項目96に記載の方法。
(項目112)
上記臓器の中または周囲に排水構造を形成することを含み、それによって、該排水構造は、約5〜12mmHgの間の眼内圧を維持する抵抗を流れに与える、項目96に記載の方法。
(項目113)
上記眼内圧は約10〜18mmHgである、項目112に記載の方法。
Claims (19)
- 微小フィステルチャネルを対象の臓器に植え込む装置であって、前記装置は、
開放遠位端と、近位端と、内部チャンバとを有する筐体と、
前記筐体内に少なくとも部分的に配置された設置機構と、
前記設置機構に結合された中空軸と
を含み、
前記設置機構は、
前記軸によって形成された管腔内にスライド可能に嵌入して、前記軸内から前記軸および前記筺体に対して前記微小フィステルチャネルを前進させるように構成されたプランジャと、
前記筐体および前記微小フィステルチャネルに対して前記軸を後退させることにより、前記微小フィステルチャネルを露出させるための機構と
を含む、装置。 - 前記機構は、前記プランジャの静止を維持している間に、前記軸を後退させることが可能である、請求項1に記載の装置。
- 前記中空軸は、鋭利な遠位端で終端する遠位部分を含む、請求項2に記載の装置。
- 前記装置は、手持ち式の装置である、請求項1に記載の装置。
- 前記筺体は、円筒状である、請求項1に記載の装置。
- 前記軸内に少なくとも部分的に配置された微小フィステルチャネルをさらに含む、請求項1に記載の装置。
- 前記微小フィステルチャネルは、前記軸において、前記プランジャの遠位に配置されている、請求項6に記載の装置。
- 前記軸の後退は、前記装置から前記微小フィステルチャネルを完全に露出させる、請求項2に記載の装置。
- 前記微小フィステルチャネルは、生体吸収性である、請求項6に記載の装置。
- 前記中空軸は、針である、請求項1に記載の装置。
- 前記中空軸は、使い捨てである、請求項10に記載の装置。
- 前記中空軸の遠位部分は、直線状である、請求項11に記載の装置。
- 前記中空軸の遠位部分は、曲がっている、請求項11に記載の装置。
- 前記中空軸の前記遠位部分は、弧状である、請求項13に記載の装置。
- 前記遠位部分は、前記中空軸から離れる方向に90°〜180°の間の角度で屈曲している、請求項13に記載の装置。
- 前記中空軸は、剛性の金属で作製されている、請求項15に記載の装置。
- 前記中空軸は、ステンレス鋼で作製されている、請求項16に記載の装置。
- 前記装置は、視覚的なマーカーを含む、請求項1に記載の装置。
- 前記マーカーは、前記軸上に位置付けられている、請求項18に記載の装置。
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JP2009542370A JP2009542370A (ja) | 2009-12-03 |
JP2009542370A5 JP2009542370A5 (ja) | 2011-08-11 |
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JP2009518588A Active JP5396272B2 (ja) | 2006-06-30 | 2007-06-29 | 臓器内圧力軽減のための方法、システムおよび装置 |
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US (6) | US20080108933A1 (ja) |
EP (1) | EP2043572B1 (ja) |
JP (1) | JP5396272B2 (ja) |
AU (1) | AU2007269259B2 (ja) |
CA (1) | CA2655969C (ja) |
WO (1) | WO2008005873A2 (ja) |
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2007
- 2007-06-29 WO PCT/US2007/072547 patent/WO2008005873A2/en active Application Filing
- 2007-06-29 CA CA2655969A patent/CA2655969C/en active Active
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- 2007-06-29 EP EP07799201.4A patent/EP2043572B1/en active Active
- 2007-06-29 US US11/771,805 patent/US20080108933A1/en not_active Abandoned
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US20100100104A1 (en) | 2010-04-22 |
US20100119696A1 (en) | 2010-05-13 |
EP2043572A2 (en) | 2009-04-08 |
EP2043572B1 (en) | 2014-12-31 |
US20100121248A1 (en) | 2010-05-13 |
CA2655969A1 (en) | 2008-01-10 |
WO2008005873A3 (en) | 2008-07-24 |
US20100121249A1 (en) | 2010-05-13 |
CA2655969C (en) | 2014-11-25 |
US9636254B2 (en) | 2017-05-02 |
JP2009542370A (ja) | 2009-12-03 |
US20110118745A1 (en) | 2011-05-19 |
WO2008005873A2 (en) | 2008-01-10 |
AU2007269259B2 (en) | 2012-05-31 |
AU2007269259A1 (en) | 2008-01-10 |
US20080108933A1 (en) | 2008-05-08 |
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