JP2016526958A - 蛍光非照射式経皮的外科手術アクセスまたは蛍光低照射式経皮的外科手術アクセスのための方法および装置 - Google Patents
蛍光非照射式経皮的外科手術アクセスまたは蛍光低照射式経皮的外科手術アクセスのための方法および装置 Download PDFInfo
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Abstract
Description
本願は、米国特許法第119条(e)項の下において、2013年6月3日出願の「METHOD FOR FLUORO-LESS OR NEAR FLUORO-LESS PERCUTANEOUS SURGERY ACCESS」と題する米国特許仮出願第61/830,585号、および2013年11月8日出願の「METHOD FOR FLUORO-LESS OR NEAR FLUORO-LESS PERCUTANEOUS SURGERY ACCESS」と題する米国特許仮出願第61/902,090号に基づき優先権の利益を主張するものである。これらの両仮出願は、参照によりその全体が本明細書に組み込まれる。
結石手術のために腎臓にアクセスするための腎臓内へのニードルの配置が、この技術の一例として使用され得る。しかし、同様のコンセプトおよび原理は、腎ガンの治療のための腎臓内へのプローブの配置、膿瘍の排液のための感染した流体蓄積物内へのアクセスの設置、ドレーン(すなわち胸膜腔、腹膜ドレーン、胆嚢摘除ドレーン、膀胱ドレーン、リンパ嚢腫ドレーン、心膜ドレーン等)としての役割を果たすようにするための任意の腔内へのチューブの配置などの他の手技にも適用される。
図3〜図4は、上述の方法と共に使用するように構成されたニードルアセンブリ30の例示の一実施形態を示す。ニードル32は、任意にスタイレット38が中を貫通して延在し得る管腔を画定し得る。スタイレット38は、経皮的アクセスを容易にするための鋭い遠位端部を備え得る。ニードル32は、スタイレットの除去後の意図しない損傷を回避するために鈍い遠位先端部36を画定し得る。しかしいくつかの実施形態では、ニードルの遠位先端部36は鋭いものが可能である。任意選択で、ニードル32の先端部36および/またはスタイレット38は、超音波に対して顕著な音響信号を生成するようにエッチングされ得る。いくつかの実施形態では、先端部36の近位のニードル32の少なくとも一部分が、ニードルの音響の顕著さを増大させるために正方形の形状を有することが可能である(図示せず)。
図5〜図7は、上述の技術を利用して経皮的アクセスを獲得する方法をユーザに教えるためのトレーニングモデル50を示す。モデル50は、器官、筋肉、脂肪、および皮膚を再現するように設計された1つまたは複数の層52を備えることが可能である。具体的には、図5〜図7は、腎臓集尿系のモデル50を示すが、同様の材料は、体の他の部位のモデルを作製するためにも使用され得る。
以下の例示的な実施形態は、本明細書において開示される特徴の組合せのいくつかの可能な順列を明確にしたものであるが、特徴の組合せの他の順列もまた可能である。
1. 減弱された蛍光透視で患者に挿入され得るように構成されたニードルアクセスデバイスであって、
ハブ部分に連結されたニードルを備え、ハブ部分は、
不透過性キャップ部分と、
不透過性キャップ部分とニードルとの間に位置決めされた非不透過性本体部と、
不透過性キャップ部分を貫通して延在するチャネルであって、光源がチャネルに整列された場合にのみ非不透過性本体部が点灯するように位置決めされたチャネルと
を備える、ニードルアクセスデバイス。
2. チャネルは、ニードルの外径以下の直径を有する、実施形態1に記載のニードルアクセスデバイス。
3. ハブ部分は、非不透過性本体部内に位置決めされた反射表面を備える、実施形態1または2に記載のニードルアクセスデバイス。
4. 反射表面は、反射性材料を含む、実施形態3に記載のニードルアクセスデバイス。
5. 反射表面は、ドームリフレクタを備える、実施形態3に記載のニードルアクセスデバイス。
6. 反射表面は、ハブ部分の横断面間に位置決めされる、実施形態3から5のいずれかに記載のニードルアクセスデバイス。
7. ハブ部分の近位端部に配設された少なくとも2つの同心サークルをさらに備える、実施形態1から6のいずれかに記載のニードルアクセスデバイス。
8. ハブ部分の近位端部に配設されたクロスハッチをさらに備える、実施形態1から7のいずれかに記載のニードルアクセスデバイス。
9. ハブ部分は、カニューレに連結するように構成されたルエルコネクタをさらに備える、実施形態1から8のいずれかに記載のニードルアクセスデバイス。
10. 不透過性キャップ部分は、非不透過性本体部に取外し可能に固定される、実施形態1から9のいずれかに記載のニードルアクセスデバイス。
11. 不透過性キャップ部分は、非不透過性本体部に螺合的に固定される、実施形態10に記載のニードルアクセスデバイス。
12. 非不透過性本体部の内径が、チャネルの直径よりも大きい、実施形態1から11のいずれかに記載のニードルアクセスデバイス。
13. 非不透過性本体部の外径が、ニードルの外径よりも少なくとも2倍大きい、実施形態1から12のいずれかに記載のニードルアクセスデバイス。
14. 非不透過性本体の外径が、ニードルの外径よりも少なくとも5倍大きい、実施形態1から13のいずれかに記載のニードルアクセスデバイス。
15. 非不透過性本体部は、透過性である、実施形態1から14のいずれかに記載のニードルアクセスデバイス。
16. 非不透過性本体部は、半透過性である、実施形態1から15のいずれかに記載のニードルアクセスデバイス。
17. 経皮的ニードルアクセスを獲得する方法であって、
経皮的アクセスするための腎杯を選択するステップと、
選択された腎杯内に可撓性尿管鏡を位置決めするステップと、
所望のニードル挿入角度でおよび尿管鏡の先端部と一直線に光源を配向するステップと、
光源および尿管鏡先端部に実施形態1から16のいずれかのニードルアクセスデバイスを整列させるステップと、
選択された腎杯にニードルアクセスデバイスを挿入するステップと
を含む、方法。
18. 尿管鏡を介して器具を送達するステップをさらに含み、器具は、選択された腎杯へのニードルの挿通を容易にするように構成される、実施形態17に記載の方法。
19. 器具は、超音波下で識別可能である、実施形態18に記載の方法。
20. 器具は、バルーンカテーテルである、実施形態18または19に記載の方法。
21. 器具は、バスケットカテーテルである、実施形態18または19に記載の方法。
22. 10秒未満の間蛍光照射を印加するステップをさらに含む、実施形態17から21のいずれかに記載の方法。
23. 光源にニードルアクセスデバイスを整列させるステップは、ニードルアクセスデバイスのハブ部分を点灯させるステップを含む、実施形態17から22のいずれかに記載の方法。
24. ニードルアクセスデバイスのハブ部分を点灯させるステップは、ハブ部分内の反射表面から光源を反射させるステップを含む、実施形態23に記載の方法。
25. 光源は、レーザ光線である、実施形態17から24のいずれかに記載の方法。
26. 選択された腎杯にニードルアクセスデバイスを挿入するステップは、カニューレにニードルを通して前進させるステップを含む、実施形態17から25のいずれかに記載の方法。
4 バルーン
6 バルーンカテーテルシャフト
10 バスケットカテーテル
12 バスケット
30 ニードルアセンブリ
32 ニードル
34 ハブ
36 遠位先端部
38 スタイレット
40 同心リング
42 クロスハッチ
50 トレーニングモデル
52 層
54 モデル腎臓
56 モデル集尿系
58 フィンガ
60 グローブ
62 ペンローズドレーン
100 経皮的アクセスニードルアセンブリ
101 キャップ
102 主ハウジング、本体
103 係合特徴
104 カニューレ
105 ニードル
106 係合特徴
108 套管針
110 開口
111 反射表面
112 ドームリフレクタ
116 光
200 腎臓
202 Cアーム
204 レーザガイド
206 レーザ光線、レーザ
208 ニードル
210 ニードルハブ
212 ニードル先端部
Claims (26)
- 減弱された蛍光透視で患者に挿入され得るように構成されたニードルアクセスデバイスであって、
ハブ部分に連結されたニードルを備え、前記ハブ部分は、
不透過性キャップ部分と、
前記不透過性キャップ部分と前記ニードルとの間に位置決めされた非不透過性本体部と、
前記不透過性キャップ部分を貫通して延在するチャネルであって、光源が前記チャネルに整列された場合にのみ前記非不透過性本体部が点灯するように位置決めされたチャネルと
を備える、ニードルアクセスデバイス。 - 前記チャネルは、前記ニードルの外径以下の直径を有する、請求項1に記載のニードルアクセスデバイス。
- 前記ハブ部分は、前記非不透過性本体部内に位置決めされた反射表面を備える、請求項1に記載のニードルアクセスデバイス。
- 前記反射表面は、反射性材料を含む、請求項3に記載のニードルアクセスデバイス。
- 前記反射表面は、ドームリフレクタを備える、請求項3に記載のニードルアクセスデバイス。
- 前記反射表面は、前記ハブ部分の横断面間に位置決めされる、請求項3に記載のニードルアクセスデバイス。
- 前記ハブ部分の近位端部に配設された少なくとも2つの同心サークルをさらに備える、請求項1に記載のニードルアクセスデバイス。
- 前記ハブ部分の近位端部に配設されたクロスハッチをさらに備える、請求項1に記載のニードルアクセスデバイス。
- 前記ハブ部分は、カニューレに連結するように構成されたルエルコネクタをさらに備える、請求項1に記載のニードルアクセスデバイス。
- 前記不透過性キャップ部分は、前記非不透過性本体部に取外し可能に固定される、請求項1に記載のニードルアクセスデバイス。
- 前記不透過性キャップ部分は、前記非不透過性本体部に螺合的に固定される、請求項10に記載のニードルアクセスデバイス。
- 前記非不透過性本体部の内径が、前記チャネルの直径よりも大きい、請求項1に記載のニードルアクセスデバイス。
- 前記非不透過性本体部の外径が、前記ニードルの外径よりも少なくとも2倍大きい、請求項1に記載のニードルアクセスデバイス。
- 前記非不透過性本体部の外径が、前記ニードルの外径よりも少なくとも5倍大きい、請求項1に記載のニードルアクセスデバイス。
- 前記非不透過性本体部は、半透過性である、請求項1に記載のニードルアクセスデバイス。
- 前記非不透過性本体部は、透過性である、請求項1に記載のニードルアクセスデバイス。
- 経皮的ニードルアクセスを獲得する方法であって、
経皮的アクセスするための腎杯を選択するステップと、
前記選択された腎杯内に可撓性の尿管鏡を位置決めするステップと、
所望のニードル挿入角度でおよび前記尿管鏡の先端部と一直線に光源を配向するステップと、
前記光源および前記尿管鏡の先端部にニードルアクセスデバイスを整列させるステップと、
前記選択された腎杯に前記ニードルアクセスデバイスを挿入するステップと
を含む、方法。 - 前記尿管鏡を介して器具を送達するステップをさらに含み、前記器具は、前記選択された腎杯への前記ニードルアクセスデバイスの挿通を容易にするように構成される、請求項17に記載の方法。
- 前記器具は、超音波下で識別可能である、請求項18に記載の方法。
- 前記器具は、バルーンカテーテルである、請求項18に記載の方法。
- 前記器具は、バスケットカテーテルである、請求項18に記載の方法。
- 10秒未満の間に蛍光透視を行うステップをさらに含む、請求項17に記載の方法。
- 前記光源に前記ニードルアクセスデバイスを整列させる前記ステップは、前記ニードルアクセスデバイスのハブ部分を点灯させるステップを含む、請求項17に記載の方法。
- 前記ニードルアクセスデバイスの前記ハブ部分を点灯させる前記ステップは、前記ハブ部分内の反射表面から前記光源を反射させるステップを含む、請求項23に記載の方法。
- 前記光源は、レーザ光線である、請求項17に記載の方法。
- 前記選択された腎杯に前記ニードルアクセスデバイスを挿入する前記ステップは、カニューレに前記ニードルを通して前進させるステップを含む、請求項17に記載の方法。
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EP3003181A1 (en) | 2016-04-13 |
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CA2914359A1 (en) | 2014-12-11 |
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US9095361B2 (en) | 2015-08-04 |
WO2014197502A1 (en) | 2014-12-11 |
US20150272701A1 (en) | 2015-10-01 |
US10085767B2 (en) | 2018-10-02 |
US20160310165A1 (en) | 2016-10-27 |
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