JP6082169B2 - 内視鏡用処置具、処置具ユニット及び処置システム - Google Patents
内視鏡用処置具、処置具ユニット及び処置システム Download PDFInfo
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Description
そのため、米国特許第7559925号明細書に開示された処置具のように、ライトガイドファイバの先端から発した光を頼りに副鼻腔に導く場合、副鼻腔へのアクセスが間接的な確認であり、副鼻腔に至る経路を直接的に認識することができない。
第1実施形態について、図1Aから図14を参照しながら説明する。
Claims (24)
- 観察光学系を有する挿入部を備える内視鏡の前記挿入部がその内側に挿通されて用いられる内視鏡用処置具であって、
第1先端を有し、前記第1先端を通して前記観察光学系で前記挿入部の先端の先端側かつ前記第1先端の先端側を観察可能、又は、前記挿入部の前記先端を前記第1先端に対して突出させた状態で前記挿入部の前記先端の先端側を前記観察光学系で観察可能に前記挿入部をその内側に挿通させるガイドパイプと、
第2先端を有し、前記挿入部の前記先端を前記第2先端に対して突出可能に前記挿入部をその内側に挿通させる内径を有し、前記ガイドパイプの前記第1先端に対して前記第2先端を突出可能に前記ガイドパイプの内側に挿通され、前記ガイドパイプに対して前記挿入部を一緒に移動させる連動状態、及び、前記ガイドパイプに対して前記挿入部を個別に移動させる非連動状態にすることが可能なガイドシースと
を具備する、内視鏡用処置具。 - 前記ガイドシースは、前記第2先端から基端側に向かって適宜の距離で曲げ癖が付された屈曲部を有する、請求項1に記載の処置具。
- 前記ガイドシースは、前記ガイドパイプに対して回動可能で、前記ガイドシースの回動に伴って前記第2先端が円環状の軌跡を描くように移動可能である、請求項2に記載の処置具。
- 前記ガイドパイプ及び前記挿入部に対して前記ガイドシースをその軸方向に移動可能であるとともにその軸周りに回動可能な第1操作子を有し、ユーザに把持されるハンドルユニットを具備する、請求項2に記載の処置具。
- 前記ハンドルユニットは、前記ガイドパイプの前記第1先端に対する前記第2先端の軸方向位置、及び、前記ガイドパイプの前記第1先端に対する前記第2先端の周方向位置をそれぞれユーザに認識させる指標を有する、請求項4に記載の処置具。
- 前記ガイドパイプ及び前記ガイドシースに対して前記挿入部をその軸方向に移動可能であるとともにその軸周りに回動可能な第2操作子を有し、ユーザに把持されるハンドルユニットを具備する、請求項2に記載の処置具。
- 前記ハンドルユニットは、前記ガイドパイプの前記第1先端に対する前記挿入部の前記先端の軸方向位置、及び、前記ガイドパイプの前記第1先端に対する前記挿入部の前記先端の周方向位置をそれぞれユーザに認識させる指標を有する、請求項6に記載の処置具。
- 前記ガイドパイプ及び前記挿入部に対して前記ガイドシースを移動させる第1操作子と、
前記ガイドパイプ及び前記ガイドシースに対して前記挿入部の突出操作が可能であるとともに、前記第1操作子と一体的に操作可能な第2操作子と
を有し、ユーザに把持されるハンドルユニットを具備する、請求項1に記載の処置具。 - 前記ガイドパイプは、
前記第1先端をその先端部に有する曲管と、
前記曲管の基端部に配設され、少なくとも一部が弾性変形可能な直管と
を有する、請求項1に記載の処置具。 - 可撓性を有するとともに観察光学系を有する挿入部を備える内視鏡と、
前記ガイドパイプ及び前記ガイドシースに対して前記挿入部が挿通される、請求項1に記載の処置具と
を具備する処置具ユニット。 - 前記挿入部は、その先端に形成された先端硬質部と、前記先端硬質部の基端側に形成された可撓管とを有し、
前記ガイドパイプは、
前記ガイドシースに前記挿入部が挿通された状態で前記ガイドシースが移動可能な直管と、
前記直管の先端側にあり、前記ガイドシースに前記挿入部が挿通された状態で前記挿入部の先端硬質部を前記第1先端を通して先端側に突出可能な内径及び曲げ半径を有する曲管と
を有する、請求項10に記載の処置具ユニット。 - 前記挿入部は、その先端から基端側に第1の距離の位置に曲げ癖が付けられた第1屈曲部を有する、請求項10に記載の処置具ユニット。
- 前記ガイドパイプ及び前記挿入部に対して前記ガイドシースをその軸方向に移動可能であるとともにその軸周りに回動可能な第1操作子と、
前記ガイドパイプ及び前記ガイドシースに対して前記挿入部をその軸方向に移動可能であるとともにその軸周りに回動可能な第2操作子と、
前記ガイドパイプの前記第1先端に対する前記挿入部の前記先端の軸方向位置、及び、前記ガイドパイプの前記第1先端に対する前記挿入部の前記先端の周方向位置をユーザに認識させる第1指標と
を有するハンドルユニットを具備する、請求項12に記載の処置具ユニット。 - 前記ガイドシースは、前記第2先端から基端側に第2の距離の位置に曲げ癖が付けられた第2屈曲部を有し、
前記ハンドルユニットは、前記ガイドパイプの前記第1先端に対する前記第2先端の軸方向位置、及び、前記ガイドパイプの前記第1先端に対する前記第2先端の周方向位置をユーザに認識させる第2指標を有し、
前記第1指標と前記第2指標とが同一の周方向位置にあるときに前記第1屈曲部及び前記第2屈曲部の屈曲方向が一致する、請求項13に記載の処置具ユニット。 - 前記第1指標が前記ハンドルユニットに対して所定の位置にあるとき、前記第1先端と前記内視鏡の前記挿入部の前記先端とが一致する、請求項13に記載の処置具ユニット。
- 前記挿入部は、その先端から基端側に第1の距離の位置に曲げ癖が付けられた第1屈曲部を有し、
前記ガイドシースは、前記第2先端から基端側に第2の距離の位置に曲げ癖が付けられた第2屈曲部を有する、請求項10に記載の処置具ユニット。 - 前記ガイドパイプ及び前記挿入部に対して前記ガイドシースをその軸方向に移動可能であるとともにその軸周りに回動可能な第1操作子と、
前記ガイドパイプの前記第1先端に対する前記第2先端の軸方向位置、及び、前記ガイドパイプの前記第1先端に対する前記第2先端の周方向位置をユーザに認識させる第1指標と、
前記ガイドパイプ及び前記ガイドシースに対して前記挿入部をその軸方向に移動可能であるとともにその軸周りに回動可能な第2操作子と
を有するハンドルユニットを具備する、請求項16に記載の処置具ユニット。 - 前記第1の距離と前記第2の距離とは一致する、請求項16に記載の処置具ユニット。
- 前記ハンドルユニットは、前記ガイドパイプの前記第1先端に対する前記挿入部の前記先端の軸方向位置、及び、前記ガイドパイプの前記第1先端に対する前記挿入部の前記先端の周方向位置をユーザに認識させる第2指標を有し、
前記第1指標と前記第2指標とが同一の周方向位置にあるときに前記第1屈曲部及び前記第2屈曲部の屈曲方向が一致する、請求項17に記載の処置具ユニット。 - 前記第1指標と前記第2指標とがそれぞれ前記ハンドルユニットに対して所定の軸方向位置にあるとき、前記第1屈曲部を有する前記内視鏡の前記挿入部の先端、及び、前記第2屈曲部を有する前記ガイドシースの前記第2先端の位置が一致する、請求項19に記載の処置具ユニット。
- 前記ガイドパイプは、
曲管と、
前記曲管の基端部に配設され、少なくとも一部が弾性変形可能で、前記内視鏡の挿入部及び前記ガイドシースのそれぞれよりも高い剛性を有する直管と
を有する、請求項10に記載の処置具ユニット。 - 請求項10に記載の処置具ユニットと、
前記処置具ユニットの前記内視鏡に接続され、前記観察光学系を制御するコントローラと
を具備する、処置システム。 - 観察光学系を有する挿入部を備える内視鏡と、
第1先端を有し、前記第1先端を通して前記観察光学系で前記挿入部の先端の先端側かつ前記第1先端の先端側を観察可能、又は、前記挿入部の前記先端を前記第1先端に対して突出させた状態で前記挿入部の前記先端の先端側を前記観察光学系で観察可能に前記挿入部をその内側に挿通させるガイドパイプと、
第2先端を有し、前記挿入部の前記先端を前記第2先端に対して突出可能に前記挿入部をその内側に挿通させる内径を有し、前記ガイドパイプの前記第1先端に対して前記第2先端を突出可能に前記ガイドパイプの内側に挿通され、前記ガイドパイプに対して前記挿入部を一緒に移動させる連動状態、及び、前記ガイドパイプに対して前記挿入部を個別に移動させる非連動状態にすることが可能なガイドシースと
を具備する内視鏡システム。 - 前記ガイドパイプ及び前記挿入部に対して前記ガイドシースを移動させる第1操作子と、
前記ガイドパイプ及び前記ガイドシースに対して前記挿入部の突出操作が可能であるとともに、前記第1操作子と一体的に操作可能な第2操作子と
を有し、ユーザに把持されるハンドルユニットを具備する、請求項23に記載の内視鏡システム。
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