JP6174930B2 - 内視鏡的器具 - Google Patents
内視鏡的器具 Download PDFInfo
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- JP6174930B2 JP6174930B2 JP2013154526A JP2013154526A JP6174930B2 JP 6174930 B2 JP6174930 B2 JP 6174930B2 JP 2013154526 A JP2013154526 A JP 2013154526A JP 2013154526 A JP2013154526 A JP 2013154526A JP 6174930 B2 JP6174930 B2 JP 6174930B2
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/28—Surgical forceps
- A61B17/29—Forceps for use in minimally invasive surgery
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/32—Surgical cutting instruments
- A61B17/320068—Surgical cutting instruments using mechanical vibrations, e.g. ultrasonic
- A61B17/320092—Surgical cutting instruments using mechanical vibrations, e.g. ultrasonic with additional movable means for clamping or cutting tissue, e.g. with a pivoting jaw
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/28—Surgical forceps
- A61B17/29—Forceps for use in minimally invasive surgery
- A61B17/2909—Handles
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/32—Surgical cutting instruments
- A61B17/320068—Surgical cutting instruments using mechanical vibrations, e.g. ultrasonic
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
- A61B18/04—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating
- A61B18/12—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating by passing a current through the tissue to be heated, e.g. high-frequency current
- A61B18/14—Probes or electrodes therefor
- A61B18/1442—Probes having pivoting end effectors, e.g. forceps
- A61B18/1445—Probes having pivoting end effectors, e.g. forceps at the distal end of a shaft, e.g. forceps or scissors at the end of a rigid rod
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B2017/0046—Surgical instruments, devices or methods, e.g. tourniquets with a releasable handle; with handle and operating part separable
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B2017/00681—Aspects not otherwise provided for
- A61B2017/00734—Aspects not otherwise provided for battery operated
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/28—Surgical forceps
- A61B17/29—Forceps for use in minimally invasive surgery
- A61B17/2909—Handles
- A61B2017/2925—Pistol grips
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/28—Surgical forceps
- A61B17/29—Forceps for use in minimally invasive surgery
- A61B2017/2926—Details of heads or jaws
- A61B2017/2927—Details of heads or jaws the angular position of the head being adjustable with respect to the shaft
- A61B2017/2929—Details of heads or jaws the angular position of the head being adjustable with respect to the shaft with a head rotatable about the longitudinal axis of the shaft
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/28—Surgical forceps
- A61B17/29—Forceps for use in minimally invasive surgery
- A61B2017/2926—Details of heads or jaws
- A61B2017/2927—Details of heads or jaws the angular position of the head being adjustable with respect to the shaft
- A61B2017/2929—Details of heads or jaws the angular position of the head being adjustable with respect to the shaft with a head rotatable about the longitudinal axis of the shaft
- A61B2017/293—Details of heads or jaws the angular position of the head being adjustable with respect to the shaft with a head rotatable about the longitudinal axis of the shaft with means preventing relative rotation between the shaft and the actuating rod
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/28—Surgical forceps
- A61B17/29—Forceps for use in minimally invasive surgery
- A61B2017/2926—Details of heads or jaws
- A61B2017/2931—Details of heads or jaws with releasable head
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/28—Surgical forceps
- A61B17/29—Forceps for use in minimally invasive surgery
- A61B2017/2946—Locking means
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/32—Surgical cutting instruments
- A61B17/320068—Surgical cutting instruments using mechanical vibrations, e.g. ultrasonic
- A61B17/320092—Surgical cutting instruments using mechanical vibrations, e.g. ultrasonic with additional movable means for clamping or cutting tissue, e.g. with a pivoting jaw
- A61B2017/320095—Surgical cutting instruments using mechanical vibrations, e.g. ultrasonic with additional movable means for clamping or cutting tissue, e.g. with a pivoting jaw with sealing or cauterizing means
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
- A61B2018/00053—Mechanical features of the instrument of device
- A61B2018/00184—Moving parts
- A61B2018/0019—Moving parts vibrating
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
- A61B2018/00571—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body for achieving a particular surgical effect
- A61B2018/0063—Sealing
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
- A61B2018/00994—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body combining two or more different kinds of non-mechanical energy or combining one or more non-mechanical energies with ultrasound
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Description
本開示は、内視鏡的器具に関し、より詳細には、選択的に取り外し可能なシャフトアセンブリを含む内視鏡的器具に関する。
内視鏡的器具は、医療技術の分野において周知である。例えば、電気外科用内視鏡的鉗子(クローズド(closed)鉗子)は、外科的処置(例えば、腹腔鏡的外科的処置)において利用され、この場合、組織へのアクセスは、患者の開口部に位置決めされたカニューレまたは他の適切なデバイスを通して達成される。通常、内視鏡的鉗子は、筐体と、移動可能ハンドルを含むハンドルアセンブリと、シャフトと、シャフトの遠位端に取り付けられるエンドエフェクタアセンブリとを含む。エンドエフェクタは、組織を操作する(例えば、組織を把持および封止する)ように構成されている顎部材を含む。内視鏡的器具は、RFエネルギー、マイクロ波エネルギー、超音波を含むが、これらに限定されない1つ以上のタイプのエネルギーを利用し、組織を治療するように構成され得る。
(項目1)
内視鏡的器具であって、該内視鏡的器具は、
筐体であって、該筐体は、該筐体から遠位方向に延びている細長いシャフトアセンブリを含み、該細長いシャフトアセンブリは、内側シャフト部材および外側シャフト部材を有し、該内側シャフト部材および外側シャフト部材は、該筐体に取り外し可能に結合され、該外側シャフト部材は、該内側シャフト部材に対して移動可能である、筐体と、
該外側シャフト部材の遠位端において動作可能に支持されているエンドエフェクタと、
該シャフトアセンブリの該内側シャフト部材および外側シャフト部材に動作可能に結合され、該筐体に選択的かつ解放可能に結合されているブッシングと
を備え、該ブッシングは少なくとも1つの弾力性フィンガを含み、該少なくとも1つの弾力性フィンガは、該内側シャフト部材を貫いて画定されている少なくとも1つのスロット、および、該外側シャフト部材を貫いて画定されている少なくとも1つのスロットを係合し、該筐体から該内側シャフト部材および外側シャフト部材を解放するように構成されている、内視鏡的器具。
(項目2)
上記外側シャフト部材が上記内側シャフト部材に対して並進することを可能にするために、該外側シャフト部材上の少なくとも1つのスロットは、該内側シャフト部材上の少なくとも1つのスロットよりも長い、上記項目のいずれか一項に記載の内視鏡的器具。
(項目3)
上記内視鏡的器具は、組織を超音波的に治療するように構成されている超音波器具である、上記項目のいずれか一項に記載の内視鏡的器具。
(項目4)
少なくとも1つの弾力性ボスを含むばねキャリヤをさらに含み、該少なくとも1つの弾力性ボスは、上記外側シャフト部材の近位端において該外側シャフト部材を貫いて画定されている少なくとも1つの第2のスロットを解放可能に係合するように構成され、該少なくとも1つの弾力性ボスは、該外側シャフト部材が該ばねキャリヤに対して回転させられた場合、上記内側シャフト部材および外側シャフト部材を上記筐体から解放するように構成され、該ばねキャリヤは、上記内視鏡的器具のハンドルアセンブリが作動させられた場合、該外側シャフト部材の軸方向の移動を提供するようにさらに構成されている、上記項目のいずれか一項に記載の内視鏡的器具。
(項目5)
上記少なくとも1つの弾力性ボスは、面取りされたエッジを含み、該面取りされたエッジは、上記外側シャフト部材が回転させられた場合、上記対応する第2のスロットのエッジに接触することにより、該対応する第2のスロットとの係合から外れるように該少なくとも1つの弾力性ボスを移動させるように構成されている、上記項目のいずれか一項に記載の内視鏡的器具。
(項目6)
上記ばねキャリヤは、該ばねキャリヤの遠位面に画定されている複数の半径方向のスロットを含み、該複数の半径方向のスロットは、該ばねキャリヤが、上記筐体内の最も前方位置へ移動させられた場合、該筐体の内壁に配置されている対応する複数の嵌合特徴を係合するように構成され、該複数の半径方向のスロットと該対応する複数の嵌合特徴との間の係合は、上記外側シャフト部材が回転させられた場合、該ばねキャリヤの回転を防止する、上記項目のいずれか一項に記載の内視鏡的器具。
(項目7)
内視鏡的器具であって、該内視鏡的器具は、
筐体であって、該筐体は、該筐体から遠位方向に延びている細長いシャフトアセンブリを含み、該細長いシャフトアセンブリは、内側シャフト部材および外側シャフト部材を有し、該内側シャフト部材および外側シャフト部材は、該筐体に取り外し可能に結合され、該外側シャフト部材は、該内側シャフト部材に対して移動可能である、筐体と、
該外側シャフト部材の遠位端において動作可能に支持されているエンドエフェクタと、
該シャフトアセンブリの該内側シャフト部材および外側シャフト部材に動作可能に結合され、該筐体に選択的かつ解放可能に結合されているブッシングであって、該ブッシングは、該ブッシングの近位端に位置している概ね環状の溝を含む、ブッシングと、
ラッチであって、該ラッチは、該筐体上に動作可能に配置され、該筐体に対して移動可能であることにより、該ブッシング上の環状の溝を選択的かつ解放可能に係合し、該内側シャフト部材および外側シャフト部材を該筐体から解放する、ラッチと
を備えている、内視鏡的器具。
(項目8)
上記ラッチは、一対の対向するアームを含み、該一対の対向するアームは、各々、それぞれの戻り止めを含み、該それぞれの戻り止めは、上記筐体の内壁内に配置されている対応するポケット内に嵌り、該ポケット内に嵌る戻り止めは、該ラッチの移動を制限するように構成されている、上記項目のいずれか一項に記載の内視鏡的器具。
(項目9)
上記ラッチはアパーチャを含み、該アパーチャは、該アパーチャを通して上記ブッシングおよび上記外側シャフト部材を受取るように構成されている、上記項目のいずれか一項に記載の内視鏡的器具。
(項目10)
上記ラッチは、該ラッチの中に概ね細長いスロットを含み、該概ね細長いスロットは、該ラッチの近位に位置決めされ、該ラッチと一緒に移動可能なロッキング部材に配置されている対応する戻り止めを係合するように構成され、該ロッキング部材は、上記外側シャフト部材をばねキャリヤに結合するように構成され、該ばねキャリヤは、上記内視鏡的器具のハンドルアセンブリが作動させられた場合、該外側シャフト部材の軸方向の移動を提供するように構成されている、上記項目のいずれか一項に記載の内視鏡的器具。
(項目11)
上記外側シャフト部材は、該外側シャフト部材の近位端に配置されているフランジを含み、該フランジは、上記ロッキング部材を係合するように構成されている、上記項目のいずれか一項に記載の内視鏡的器具。
(項目12)
内視鏡的器具であって、該内視鏡的器具は、
筐体であって、該筐体は、該筐体から遠位方向に延びている細長いシャフトアセンブリを含み、該細長いシャフトアセンブリは、内側シャフト部材および外側シャフト部材を有し、該内側シャフト部材および外側シャフト部材は、該筐体に取り外し可能に結合され、該外側シャフト部材は、該内側シャフト部材に対して移動可能である、筐体と、
該筐体に動作可能に結合され、該内側シャフト部材および外側シャフト部材を回転させるように構成されている回転アセンブリと、
該回転アセンブリに取り外し可能に結合され、該内側シャフト部材および外側シャフト部材に動作可能に結合され、該回転アセンブリに選択的かつ解放可能に結合されているブッシングと、
該外側シャフト部材の遠位端において動作可能に支持されているエンドエフェクタと
を備え、該ブッシングは、少なくとも1つの機械的インターフェースを含み、該少なくとも1つの機械的インターフェースは、該内側シャフト部材を貫いて画定されている少なくとも1つのスロット、および、該外側シャフト部材を貫いて画定されている少なくとも1つのスロットを係合し、該筐体から該内側シャフト部材および外側シャフト部材を解放するように構成されている、内視鏡的器具。
(項目13)
上記ブッシングの上記少なくとも1つの機械的インターフェースは、少なくとも1つの弾力性フィンガおよび少なくとも1つの戻り止めのうちの1つの形態である、上記項目のいずれか一項に記載の内視鏡的器具。
(項目14)
上記外側シャフト部材が上記内側シャフト部材に対して並進することを可能にするために、該外側シャフト部材上の少なくとも1つのスロットは、該内側シャフト部材上の少なくとも1つのスロットよりも長い、上記項目のいずれか一項に記載の内視鏡的器具。
(項目15)
少なくとも1つの弾力性ボスを含むばねキャリヤをさらに含み、該少なくとも1つの弾力性ボスは、上記外側シャフト部材の近位端において該外側シャフト部材を貫いて画定されている少なくとも1つの第2のスロットを解放可能に係合するように構成され、該少なくとも1つの弾力性ボスは、該外側シャフト部材が該ばねキャリヤに対して回転させられた場合、上記内側シャフト部材および外側シャフト部材を上記筐体から解放するように構成され、該ばねキャリヤは、上記内視鏡的器具のハンドルアセンブリが作動させられた場合、該外側シャフト部材の軸方向の移動を提供するようにさらに構成されている、上記項目のいずれか一項に記載の内視鏡的器具。
(項目16)
上記少なくとも1つの弾力性ボスは、面取りされたエッジを含み、該面取りされたエッジは、上記外側シャフト部材が回転させられた場合、上記対応する第2のスロットのエッジに接触することにより、該対応する第2のスロットとの係合から外れるように該少なくとも1つの弾力性ボスを移動させるように構成されている、上記項目のいずれか一項に記載の内視鏡的器具。
(項目17)
上記ばねキャリヤは、該ばねキャリヤの遠位面に画定されている複数の半径方向のスロットを含み、該複数の半径方向のスロットは、該ばねキャリヤが、上記筐体内の最も前方位置へ移動させられた場合、該筐体の内壁に配置されている対応する複数の嵌合特徴を係合するように構成され、該複数の半径方向のスロットと該対応する複数の嵌合特徴との間の係合は、上記外側シャフト部材が回転させられた場合、該ばねキャリヤの回転を防止する、上記項目のいずれか一項に記載の内視鏡的器具。
(項目18)
上記ブッシングは、該ブッシングの近位端に位置している概ね環状の溝を含み、ラッチが、上記筐体上に動作可能に配置され、該筐体に対して移動可能であることにより、該ブッシング上の環状の溝を選択的かつ解放可能に係合し、上記内側シャフト部材および外側シャフト部材を該筐体から解放する、上記項目のいずれか一項に記載の内視鏡的器具。
(項目19)
上記ラッチは、一対の対向するアームを含み、該一対の対向するアームは、各々、それぞれの戻り止めを含み、該それぞれの戻り止めは、上記筐体の内壁内に配置されている対応するポケット内に嵌り、該ポケット内に嵌る戻り止めは、該ラッチの移動を制限するように構成され、該ラッチはアパーチャを含み、該アパーチャは、該アパーチャを通して上記ブッシングおよび上記外側シャフト部材を受取るように構成されている、上記項目のいずれか一項に記載の内視鏡的器具。
(項目20)
上記ラッチは、該ラッチの中に概ね細長いスロットを含み、該概ね細長いスロットは、該ラッチの近位に位置決めされ、該ラッチと一緒に移動可能なロッキング部材に配置されている対応する戻り止めを係合するように構成され、該ロッキング部材は、上記外側シャフト部材をばねキャリヤに結合するように構成され、該ばねキャリヤは、上記内視鏡的器具のハンドルアセンブリが作動させられた場合、該外側シャフト部材の軸方向の移動を提供するように構成され、該外側シャフト部材は、該外側シャフト部材の近位端に配置されているフランジを含み、該フランジは、該ロッキング部材を係合するように構成されている、上記項目のいずれか一項に記載の内視鏡的器具。
内視鏡的器具が提供され、内視鏡的器具は筐体を含み、筐体は、そこから遠位方向に延びている細長いシャフトアセンブリを含む。細長いシャフトアセンブリは、内側シャフト部材と外側シャフト部材とを含む。内側シャフト部材および外側シャフト部材は、筐体に取り外し可能に結合され、外側シャフト部材は、内側シャフト部材に対して移動可能である。エンドエフェクタは、外側シャフト部材の遠位端において動作可能に支持され、組織を治療するために構成されている一対の顎部材を含む。ブッシングは、シャフトアセンブリの内側シャフト部材および外側シャフト部材に動作可能に結合し、筐体に選択的かつ解放可能に結合する。ブッシングは、1つ以上の機械的インターフェースを含み、1つ以上の機械的インターフェースは、内側シャフト部材を貫いて画定されている1つ以上のスロット、および、外側シャフト部材を貫いて画定されている1つ以上のスロットを係合し、筐体から内側シャフト部材および外側シャフト部材を解放するように構成されている。
本明細書において、本開示の詳細な実施形態が開示される。しかしながら、開示される実施形態は、本開示の単なる例であり、本開示は、様々な形態で実施され得る。従って、本明細書において開示されている特定の構造および機能に関する詳細は、限定するものとして解釈されるべきではなく、単なる特許請求の範囲のための基礎として、および、ほとんどあらゆる適切な詳細にわたる構造で本開示を様々に使用することを当業者に教示するための代表的基礎として解釈されるべきである。
4 シャフトアセンブリ
6 筐体
8 電池アセンブリ
10 超音波ジェネレータ
12 シャフトアセンブリ4の近位端
14 シャフトアセンブリ4の遠位端
16 エンドエフェクタ
18 顎部材
20 顎部材
22 移動可能ハンドルアセンブリ
24 起動ボタン
26 内側シャフト部材
28 外側シャフト部材
30 スロット
32 スロット
34 弾力性フィンガ
36 ブッシング
38 ベース
42 ばねキャリヤ
52 スロット
Claims (20)
- 内視鏡的器具であって、該内視鏡的器具は、
筐体であって、該筐体は、該筐体から遠位方向に延びている細長いシャフトアセンブリを含み、該細長いシャフトアセンブリは、内側シャフト部材および外側シャフト部材を有し、該内側シャフト部材および外側シャフト部材は、該筐体に取り外し可能に結合され、該外側シャフト部材は、該内側シャフト部材に対して移動可能である、筐体と、
該外側シャフト部材の遠位端において動作可能に支持されているエンドエフェクタと、
該シャフトアセンブリの該内側シャフト部材および外側シャフト部材に動作可能に結合され、該筐体に選択的かつ解放可能に結合されているブッシングと
を備え、
該ブッシングは、少なくとも1つの弾力性フィンガを含み、該少なくとも1つの弾力性フィンガは、該内側シャフト部材を貫いて画定されている少なくとも1つのスロット、および、該外側シャフト部材を貫いて画定されている少なくとも1つのスロットを係合し、該筐体から該内側シャフト部材および外側シャフト部材を解放するように構成されている、内視鏡的器具。 - 前記外側シャフト部材が前記内側シャフト部材に対して並進することを可能にするために、該外側シャフト部材上の少なくとも1つのスロットは、該内側シャフト部材上の少なくとも1つのスロットよりも長い、請求項1に記載の内視鏡的器具。
- 前記内視鏡的器具は、組織を超音波的に治療するように構成されている超音波器具である、請求項1に記載の内視鏡的器具。
- 少なくとも1つの弾力性ボスを含むばねキャリヤをさらに含み、該少なくとも1つの弾力性ボスは、前記外側シャフト部材の近位端において該外側シャフト部材を貫いて画定されている少なくとも1つの第2のスロットを解放可能に係合するように構成され、該少なくとも1つの弾力性ボスは、該外側シャフト部材が該ばねキャリヤに対して回転させられた場合、前記内側シャフト部材および外側シャフト部材を前記筐体から解放するように構成され、該ばねキャリヤは、前記内視鏡的器具のハンドルアセンブリが作動させられた場合、該外側シャフト部材の軸方向の移動を提供するようにさらに構成されている、請求項1に記載の内視鏡的器具。
- 前記少なくとも1つの弾力性ボスは、面取りされたエッジを含み、該面取りされたエッジは、前記外側シャフト部材が回転させられた場合、前記対応する第2のスロットのエッジに接触することにより、該対応する第2のスロットとの係合から外れるように該少なくとも1つの弾力性ボスを移動させるように構成されている、請求項4に記載の内視鏡的器具。
- 前記ばねキャリヤは、該ばねキャリヤの遠位面に画定されている複数の半径方向のスロットを含み、該複数の半径方向のスロットは、該ばねキャリヤが、前記筐体内の最も前方位置へ移動させられた場合、該筐体の内壁に配置されている対応する複数の嵌合特徴を係合するように構成され、該複数の半径方向のスロットと該対応する複数の嵌合特徴との間の係合は、前記外側シャフト部材が回転させられた場合、該ばねキャリヤの回転を防止する、請求項4に記載の内視鏡的器具。
- 内視鏡的器具であって、該内視鏡的器具は、
筐体であって、該筐体は、該筐体から遠位方向に延びている細長いシャフトアセンブリを含み、該細長いシャフトアセンブリは、内側シャフト部材および外側シャフト部材を有し、該内側シャフト部材および外側シャフト部材は、該筐体に取り外し可能に結合され、該外側シャフト部材は、該内側シャフト部材に対して移動可能である、筐体と、
該外側シャフト部材の遠位端において動作可能に支持されているエンドエフェクタと、
該シャフトアセンブリの該内側シャフト部材および外側シャフト部材に動作可能に結合され、該筐体に選択的かつ解放可能に結合されているブッシングであって、該ブッシングは、該ブッシングの近位端に位置している概ね環状の溝を含む、ブッシングと、
ラッチであって、該ラッチは、該筐体上に動作可能に配置され、該筐体に対して移動可能であることにより、該ブッシング上の環状の溝を選択的かつ解放可能に係合し、該内側シャフト部材および外側シャフト部材を該筐体から解放する、ラッチと
を備え、
該ブッシングは、少なくとも1つの戻り止めを含み、該少なくとも1つの戻り止めは、該内側シャフト部材を貫いて画定されている少なくとも1つのスロット、および、該外側シャフト部材を貫いて画定されている少なくとも1つのスロットを係合するように構成されている、内視鏡的器具。 - 前記ラッチは、一対の対向するアームを含み、該一対の対向するアームは、各々、それぞれの戻り止めを含み、該それぞれの戻り止めは、前記筐体の内壁内に配置されている対応するポケット内に嵌り、該ポケット内に嵌る戻り止めは、該ラッチの移動を制限するように構成されている、請求項7に記載の内視鏡的器具。
- 前記ラッチはアパーチャを含み、該アパーチャは、該アパーチャを通して前記ブッシングおよび前記外側シャフト部材を受取るように構成されている、請求項7に記載の内視鏡的器具。
- 前記ラッチは、該ラッチの中に概ね細長いスロットを含み、該概ね細長いスロットは、該ラッチの近位に位置決めされ、該ラッチと一緒に移動可能なロッキング部材に配置されている対応する戻り止めを係合するように構成され、該ロッキング部材は、前記外側シャフト部材をばねキャリヤに結合するように構成され、該ばねキャリヤは、前記内視鏡的器具のハンドルアセンブリが作動させられた場合、該外側シャフト部材の軸方向の移動を提供するように構成されている、請求項7に記載の内視鏡的器具。
- 前記外側シャフト部材は、該外側シャフト部材の近位端に配置されているフランジを含み、該フランジは、前記ロッキング部材を係合するように構成されている、請求項10に記載の内視鏡的器具。
- 内視鏡的器具であって、該内視鏡的器具は、
筐体であって、該筐体は、該筐体から遠位方向に延びている細長いシャフトアセンブリを含み、該細長いシャフトアセンブリは、内側シャフト部材および外側シャフト部材を有し、該内側シャフト部材および外側シャフト部材は、該筐体に取り外し可能に結合され、該外側シャフト部材は、該内側シャフト部材に対して移動可能である、筐体と、
該筐体に動作可能に結合され、該内側シャフト部材および外側シャフト部材を回転させるように構成されている回転アセンブリと、
該回転アセンブリに取り外し可能に結合され、該内側シャフト部材および外側シャフト部材に動作可能に結合され、該回転アセンブリに選択的かつ解放可能に結合されているブッシングと、
該外側シャフト部材の遠位端において動作可能に支持されているエンドエフェクタと
を備え、
該ブッシングは、少なくとも1つの機械的インターフェースを含み、該少なくとも1つの機械的インターフェースは、該内側シャフト部材を貫いて画定されている少なくとも1つのスロット、および、該外側シャフト部材を貫いて画定されている少なくとも1つのスロットを係合し、該筐体から該内側シャフト部材および外側シャフト部材を解放するように構成されている、内視鏡的器具。 - 前記ブッシングの前記少なくとも1つの機械的インターフェースは、少なくとも1つの弾力性フィンガおよび少なくとも1つの戻り止めのうちの1つの形態である、請求項12に記載の内視鏡的器具。
- 前記外側シャフト部材が前記内側シャフト部材に対して並進することを可能にするために、該外側シャフト部材上の少なくとも1つのスロットは、該内側シャフト部材上の少なくとも1つのスロットよりも長い、請求項13に記載の内視鏡的器具。
- 少なくとも1つの弾力性ボスを含むばねキャリヤをさらに含み、該少なくとも1つの弾力性ボスは、前記外側シャフト部材の近位端において該外側シャフト部材を貫いて画定されている少なくとも1つの第2のスロットを解放可能に係合するように構成され、該少なくとも1つの弾力性ボスは、該外側シャフト部材が該ばねキャリヤに対して回転させられた場合、前記内側シャフト部材および外側シャフト部材を前記筐体から解放するように構成され、該ばねキャリヤは、前記内視鏡的器具のハンドルアセンブリが作動させられた場合、該外側シャフト部材の軸方向の移動を提供するようにさらに構成されている、請求項14に記載の内視鏡的器具。
- 前記少なくとも1つの弾力性ボスは、面取りされたエッジを含み、該面取りされたエッジは、前記外側シャフト部材が回転させられた場合、前記対応する第2のスロットのエッジに接触することにより、該対応する第2のスロットとの係合から外れるように該少なくとも1つの弾力性ボスを移動させるように構成されている、請求項15に記載の内視鏡的器具。
- 前記ばねキャリヤは、該ばねキャリヤの遠位面に画定されている複数の半径方向のスロットを含み、該複数の半径方向のスロットは、該ばねキャリヤが、前記筐体内の最も前方位置へ移動させられた場合、該筐体の内壁に配置されている対応する複数の嵌合特徴を係合するように構成され、該複数の半径方向のスロットと該対応する複数の嵌合特徴との間の係合は、前記外側シャフト部材が回転させられた場合、該ばねキャリヤの回転を防止する、請求項15に記載の内視鏡的器具。
- 前記ブッシングは、該ブッシングの近位端に位置している概ね環状の溝を含み、ラッチが、前記筐体上に動作可能に配置され、該筐体に対して移動可能であることにより、該ブッシング上の環状の溝を選択的かつ解放可能に係合し、前記内側シャフト部材および外側シャフト部材を該筐体から解放する、請求項13に記載の内視鏡的器具。
- 前記ラッチは、一対の対向するアームを含み、該一対の対向するアームは、各々、それぞれの戻り止めを含み、該それぞれの戻り止めは、前記筐体の内壁内に配置されている対応するポケット内に嵌り、該ポケット内に嵌る戻り止めは、該ラッチの移動を制限するように構成され、該ラッチはアパーチャを含み、該アパーチャは、該アパーチャを通して前記ブッシングおよび前記外側シャフト部材を受取るように構成されている、請求項18に記載の内視鏡的器具。
- 前記ラッチは、該ラッチの中に概ね細長いスロットを含み、該概ね細長いスロットは、該ラッチの近位に位置決めされ、該ラッチと一緒に移動可能なロッキング部材に配置されている対応する戻り止めを係合するように構成され、該ロッキング部材は、前記外側シャフト部材をばねキャリヤに結合するように構成され、該ばねキャリヤは、前記内視鏡的器具のハンドルアセンブリが作動させられた場合、該外側シャフト部材の軸方向の移動を提供するように構成され、該外側シャフト部材は、該外側シャフト部材の近位端に配置されているフランジを含み、該フランジは、該ロッキング部材を係合するように構成されている、請求項19に記載の内視鏡的器具。
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JP2014023932A (ja) | 2014-02-06 |
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CA2821471A1 (en) | 2014-01-30 |
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CA2821471C (en) | 2020-12-15 |
AU2013207564B2 (en) | 2017-12-14 |
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