JPWO2020014536A5 - - Google Patents

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JPWO2020014536A5
JPWO2020014536A5 JP2021523570A JP2021523570A JPWO2020014536A5 JP WO2020014536 A5 JPWO2020014536 A5 JP WO2020014536A5 JP 2021523570 A JP2021523570 A JP 2021523570A JP 2021523570 A JP2021523570 A JP 2021523570A JP WO2020014536 A5 JPWO2020014536 A5 JP WO2020014536A5
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Prior art keywords
implant
pusher shaft
delivery system
proximal end
distal end
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JP2021523570A
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JP2022502212A (en
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Priority claimed from PCT/US2019/041480 external-priority patent/WO2020014536A1/en
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Claims (20)

インプラントを患者に送達及び配置するためのインプラント送達システムであって、
遠位可撓部と、中間移行部と、近位部と、を有し、近位端と、遠位端と、長手方向管腔と、インプラントプッシャーシャフトの前記遠位端にインプラント係合機構を具備する、インプラントプッシャーシャフトと、
前記インプラントプッシャーシャフトの前記近位端に放出可能に結合する、インプラント放出機構と、
遠位端と近位端とを有する、前記インプラントプッシャーシャフトの前記長手方向管腔内に摺動可能に配置されたインプラント係合ワイヤであって、前記インプラント係合ワイヤの前記近位端は、前記インプラント放出機構を結合する、インプラント係合ワイヤと、を具備し、
前記インプラントプッシャーシャフトの前記遠位可撓部は第1の剛性を有し、前記インプラントプッシャーシャフトの前記近位部は第2の剛性を有し、前記第2の剛性は前記第1の剛性よりも大きい、送達システム。 An implant delivery system for delivering and placing implants to patients.
It has a distal flexible part, an intermediate transition part, a proximal part, and an implant engagement mechanism at the proximal end, the distal end, the longitudinal lumen, and the distal end of the implant pusher shaft. Equipped with an implant pusher shaft,
An implant release mechanism that is releasably coupled to the proximal end of the implant pusher shaft.
An implant engagement wire slidably disposed within the longitudinal lumen of the implant pusher shaft having a distal end and a proximal end, wherein the proximal end of the implant engagement wire is: The implant engaging wire, which connects the implant release mechanism, is provided .
The distal flexible portion of the implant pusher shaft has a first stiffness, the proximal portion of the implant pusher shaft has a second stiffness, and the second stiffness is greater than the first stiffness. Also large , delivery system. 前記インプラント放出機構は、前記インプラントプッシャーシャフトに結合し、前記インプラント係合ワイヤの前記遠位端は、前記インプラント係合機構を越えて遠位に延伸する、インプラント送達構成をさらに具備する、請求項１に記載のインプラント送達システム。 The implant delivery mechanism further comprises an implant delivery configuration, wherein the implant release mechanism is coupled to the implant pusher shaft and the distal end of the implant engagement wire extends distally beyond the implant engagement mechanism. The implant delivery system according to 1. 前記インプラント放出機構は、前記インプラントプッシャーシャフトから係脱し、前記インプラント係合ワイヤの前記遠位端は、前記インプラントプッシャーシャフトから近位に離隔して退行する、インプラント放出構成をさらに具備する、請求項１に記載のインプラント送達システム。 The implant release mechanism further comprises an implant release configuration in which the implant release mechanism disengages from the implant pusher shaft and the distal end of the implant engagement wire retracts proximally away from the implant pusher shaft. The implant delivery system according to 1. 前記インプラント放出機構は、前記インプラントプッシャーシャフトとの単一体であり、その間に円周方向に脆弱な位置を備えた、請求項１に記載のインプラント送達システム。 The implant delivery system according to claim 1, wherein the implant release mechanism is a single body with the implant pusher shaft and has a fragile position in the circumferential direction between them. 前記インプラント放出機構は、前記円周方向に脆弱な位置で、前記インプラントプッシャーシャフトから離脱するように構成される、請求項４に記載のインプラント送達システム。 The implant delivery system according to claim 4, wherein the implant release mechanism is configured to disengage from the implant pusher shaft at a position fragile in the circumferential direction. 前記インプラントプッシャーシャフトの前記遠位可撓部は、前記遠位可撓部の遠位端から前記遠位可撓部の近位端まで、次第に剛性が増加するように構成される、請求項１に記載のインプラント送達システム。 The distal flexible portion of the implant pusher shaft is configured to gradually increase in rigidity from the distal end of the distal flexible portion to the proximal end of the distal flexible portion. Implant delivery system as described in. 前記インプラントプッシャーシャフトの前記移行部は、前記移行部の遠位端から前記移行部の近位端まで、次第に剛性が増加するように構成される、請求項１に記載のインプラント送達システム。 The implant delivery system according to claim 1 , wherein the transition portion of the implant pusher shaft is configured to gradually increase in rigidity from the distal end of the transition portion to the proximal end of the transition portion. 前記インプラントプッシャーシャフトの前記移行部は、長手方向管腔を有するインナーライナと、前記インナーライナ上に延伸するハイポチューブと、をさらに具備し、前記ハイポチューブは、前記インプラントプッシャーシャフトの前記移行部の前記近位端よりも、前記遠位端に向かって材料の除去が多いレーザ切断様式を有する、請求項１に記載のインプラント送達システム。 The transition portion of the implant pusher shaft further comprises an inner liner having a longitudinal lumen and a hypotube extending over the inner liner , wherein the hypotube is the transition portion of the implant pusher shaft. The implant delivery system according to claim 1, wherein the implant delivery system has a laser cutting mode in which material is removed more toward the distal end than the proximal end . 医療用インプラントであって、
遠位端と、近位端と、軸方向管腔と、を有するコイル本体と、
その遠位端が前記コイル本体の前記遠位端を結合し、その近位端が係合ループを結合し、引張状態と弛緩状態を有する、耐伸長部材と、を具備する、医療用インプラントであって、
該引張状態では、前記係合ループは、前記コイル本体の前記近位端外部で近位に延伸し、該弛緩状態では、前記係合ループは、前記コイル本体の前記軸方向管腔内部で遠位に後退する、医療用インプラント。 It ’s a medical implant,
A coil body having a distal end, a proximal end, and an axial lumen,
In a medical implant, the distal end of which connects the distal end of the coil body, the proximal end of which joins an engaging loop, and an extension resistant member having a tension and relaxation state. There,
In the tension state, the engagement loop extends proximally outside the proximal end of the coil body, and in the relaxed state, the engagement loop is distant inside the axial cavity of the coil body. A medical implant that recedes to the position . 軸方向管腔を有するステッパーバンドをさらに具備して、前記ステッパーバンドは、前記コイル本体の前記近位端を結合する、請求項９に記載の医療用インプラント。 The medical implant of claim 9 , further comprising a stepper band having an axial cavity, wherein the stepper band connects the proximal end of the coil body. 該引張状態では、前記係合ループは、前記ステッパーバンド外部で近位にかつ長手方向に延伸するように構成される、請求項１０に記載の医療用インプラント。 The medical implant according to claim 10 , wherein in the tension state, the engagement loop is configured to extend proximally and longitudinally outside the stepper band. 前記耐伸長部材の前記近位端と前記係合ループとの間にアンカーバンドをさらに具備し、前記アンカーバンドは前記ステッパーバンドの軸方向管腔よりも大きい外形を有する、請求項１０に記載の医療用インプラント。 10. The 10 . Medical implant. 前記耐伸長部材が該引張状態の際に、前記アンカーバンドは、干渉を形成する前記ステッパーバンドを係合する、請求項１２に記載の医療用インプラント。 12. The medical implant of claim 12 , wherein the anchor band engages the stepper band to form interference when the stretch resistant member is in the stretched state. 前記耐伸長部材が該弛緩状態の際に、前記アンカーバンドは、前記ステッパーバンドから近位に放出される、請求項１２に記載の医療用インプラント。 The medical implant according to claim 12 , wherein the anchor band is released proximally from the stepper band when the stretch-resistant member is in the relaxed state. インプラントを患者に送達及び配置するためのインプラント送達システムであって、
遠位端と、近位端と、前記遠位端から前記近位端まで延伸する長手方向管腔と、前記インプラントプッシャーシャフトの前記遠位端でのインプラント係合機構と、を有し、前記インプラント係合機構は、遠位に延伸する２つの指部と前記２つの指部を結合するクロスピンとを有する、インプラントプッシャーシャフトと、
前記インプラントプッシャーシャフトの前記近位端に固定されたインプラント放出機構と、前記インプラントプッシャーシャフトの前記長手方向管腔内に摺動可能に配置されたインプラント係合ワイヤと、を具備する、インプラント送達システムであって、
前記インプラント係合ワイヤは、遠位端と近位端とを有し、
前記インプラント放出機構が前記インプラントプッシャーシャフトの前記近位端に固定して結合される際に、前記インプラント係合ワイヤの前記遠位端は、前記インプラント係合機構の前記クロスピンを越えて遠位に延伸し、前記インプラント放出機構が前記インプラントプッシャーシャフトの前記近位端から離脱する際に、前記インプラント係合ワイヤの前記遠位端は、前記インプラント係合機構の前記クロスピンから近位に後退する、送達システム。 An implant delivery system for delivering and placing implants to patients.
It has a distal end, a proximal end, a longitudinal lumen extending from the distal end to the proximal end, and an implant engagement mechanism at the distal end of the implant pusher shaft, said. The implant engagement mechanism comprises an implant pusher shaft having two distally extending fingers and a crosspin connecting the two fingers.
An implant delivery system comprising an implant release mechanism immobilized at the proximal end of the implant pusher shaft and an implant engagement wire slidably disposed within the longitudinal lumen of the implant pusher shaft. And
The implant engagement wire has a distal end and a proximal end.
When the implant release mechanism is secured and coupled to the proximal end of the implant pusher shaft, the distal end of the implant engagement wire is distal beyond the crosspin of the implant engagement mechanism. As it stretches and the implant release mechanism disengages from the proximal end of the implant pusher shaft, the distal end of the implant engagement wire retracts proximally from the crosspin of the implant engagement mechanism. Delivery system. 前記インプラント放出機構と前記インプラントプッシャーシャフトの少なくとも近位部は、一体型のハイポチューブ製で、その間に円周方向に脆弱な位置を備えた、請求項１５に記載のインプラント送達システム。 15. The implant delivery system of claim 15 , wherein the implant release mechanism and at least proximal portion of the implant pusher shaft are made of an integrated hypotube with a circumferentially fragile position between them. 該円周方向に脆弱な位置は、前記位置で材料を除去することで達成される、請求項１６に記載のインプラント送達システム。 The implant delivery system according to claim 16 , wherein the fragile position in the circumferential direction is achieved by removing the material at the position. 該円周方向に脆弱な位置は、減少した厚さを有する、請求項１７に記載のインプラント送達システム。 17. The implant delivery system of claim 17 , wherein the vulnerable location in the circumferential direction has a reduced thickness. 該円周方向に脆弱な位置は、穿孔様式を有する、請求項１７に記載のインプラント送達システム。 17. The implant delivery system of claim 17 , wherein the circumferentially vulnerable location has a perforation pattern. 前記インプラントプッシャーシャフトの少なくとも一部は、インナーライナと、ハイポチューブと、外部ジャケットと、を具備し、前記ハイポチューブは、螺旋切断様式を有し、螺旋のピッチは、前記インプラントプッシャーシャフトの前記少なくとも一部の遠位端から前記インプラントプッシャーシャフトの一部の近位端まで減少する、請求項１５に記載のインプラント送達システム。 At least a portion of the implant pusher shaft comprises an inner liner, a hypotube and an outer jacket, the hypotube having a spiral cutting mode and a spiral pitch of at least the implant pusher shaft. 15. The implant delivery system of claim 15 , which reduces from a portion of the distal end to a portion of the proximal end of the implant pusher shaft .
JP2021523570A 2018-07-12 2019-07-11 Implant delivery system and usage Pending JP2022502212A (en)

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US201862697383P 2018-07-12 2018-07-12
US62/697,383 2018-07-12
PCT/US2019/041480 WO2020014536A1 (en) 2018-07-12 2019-07-11 Implant delivery system and method of use

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