TWI611800B - 變換器灌注/抽吸裝置 - Google Patents

變換器灌注/抽吸裝置 Download PDF

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TWI611800B
TWI611800B TW103117667A TW103117667A TWI611800B TW I611800 B TWI611800 B TW I611800B TW 103117667 A TW103117667 A TW 103117667A TW 103117667 A TW103117667 A TW 103117667A TW I611800 B TWI611800 B TW I611800B
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suction
perfusion
handpiece
handpiece portion
fluid
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G 拉瑪 科克海維爾
察爾斯K 包維斯
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諾華公司
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    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M1/00Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
    • A61M1/71Suction drainage systems
    • A61M1/76Handpieces
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M1/00Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
    • A61M1/71Suction drainage systems
    • A61M1/77Suction-irrigation systems
    • A61M1/774Handpieces specially adapted for providing suction as well as irrigation, either simultaneously or independently
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61FFILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F9/00Methods 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
    • A61F9/007Methods or devices for eye surgery
    • A61F9/00736Instruments for removal of intra-ocular material or intra-ocular injection, e.g. cataract instruments
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M1/00Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
    • A61M1/84Drainage tubes; Aspiration tips
    • A61M1/86Connectors between drainage tube and handpiece, e.g. drainage tubes detachable from handpiece
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M3/00Medical syringes, e.g. enemata; Irrigators
    • A61M3/02Enemata; Irrigators
    • A61M3/0279Cannula; Nozzles; Tips; their connection means
    • A61M3/0283Cannula; Nozzles; Tips; their connection means with at least two inner passageways, a first one for irrigating and a second for evacuating
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M39/00Tubes, tube connectors, tube couplings, valves, access sites or the like, specially adapted for medical use
    • A61M39/22Valves or arrangement of valves
    • A61M39/24Check- or non-return valves
    • A61M2039/2426Slit valve
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M39/00Tubes, tube connectors, tube couplings, valves, access sites or the like, specially adapted for medical use
    • A61M39/22Valves or arrangement of valves
    • A61M39/24Check- or non-return valves
    • A61M2039/2433Valve comprising a resilient or deformable element, e.g. flap valve, deformable disc
    • A61M2039/244Hinged closure member, e.g. flap valve
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M2210/00Anatomical parts of the body
    • A61M2210/06Head
    • A61M2210/0612Eyes

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  • Health & Medical Sciences (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Public Health (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Veterinary Medicine (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
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  • Anesthesiology (AREA)
  • Vascular Medicine (AREA)
  • Ophthalmology & Optometry (AREA)
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  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Pulmonology (AREA)
  • External Artificial Organs (AREA)
  • Infusion, Injection, And Reservoir Apparatuses (AREA)
  • Endoscopes (AREA)

Abstract

在各種實施例中,一種插管裝置包含一灌注手持件部分(具有用於抽吸之一第一抽吸尖端及用於灌注之一灌注流體出口)及一抽吸手持件部分(經組態以將流體抽吸至從該抽吸手持件部分之一遠端延伸之一第二抽吸尖端中)。該插管裝置可在以下兩者之間變換:(a)一同軸模式,其中該抽吸手持件部分耦接至該灌注手持件部分使得透過該第一抽吸尖端然後該第二抽吸尖端連續抽吸流體,且透過該灌注流體出口提供灌注流體,及(b)一雙手動模式,其中該抽吸手持件部分從該灌注手持件部分分離以透過該第二抽吸尖端提供抽吸,而該灌注手持件部分繼續透過該灌注流體出口提供灌注流體。

Description

變換器灌注/抽吸裝置 【優先權主張】
本申請案主張2013年6月6日申請之標題為「Transformer Irrigation/Aspiration Device」的美國臨時專利申請案第61/831,665號之優先權權益,其發明人係G.Lamar Kirchhevel及Charles Kittridge Beauvias,其全部內容以引用之方式併入本文中,宛如完全且完整地在本文中闡明。
本發明一般地關於手術裝置。本發明更特定言之但沒有限制地關於灌注/抽吸裝置。
白內障手術可包含移除渾濁的晶狀體及周圍皮質,且用清晰的人工晶體代替之。移除晶狀體可包含使用通電、灌注、振動尖端(用於晶體超聲乳化及移除),緊接著灌注及抽吸尖端以用於皮質移除。
等价皮質移除裝置(predicate cortex removal device)包含同軸及雙手動裝置。單手的同軸裝置可包含由灌注套筒包圍的抽吸尖端。雙手手的雙手動裝置可包含兩個單獨儀器-一個提供灌注插管且另一個提供抽吸插管。同軸裝置可包含兩個管路連接,一個提供灌注流體且一個用於抽吸真空,而雙手動裝置可包含用於在灌注插管裝置上灌注流體的管路連接及用於抽吸插管裝置上的真空的單獨管路連接。
在各種實施例中,插管裝置可透過將組成插管裝置的抽吸手持件部分及灌注手持件部分耦接(用於同軸)及解耦(用於雙手動)而在同軸模式與雙手動模式之間變換。在一些實施例中,灌注手持件部分及抽吸手持件部分可包含互鎖元件,以可釋放地將抽吸手持件部分之遠端耦接至灌注手持件部分之近端。
在同軸模式中,抽吸手持件部分可耦接至灌注手持件部分使得流體在主要切口中由灌注手持件部分上之第一抽吸尖端抽吸,且接著透過抽吸手持件部分上之第二抽吸尖端而抽吸(第二抽吸尖端至少部分位於灌注手持件部分內,與第一抽吸尖端流體連通)。在同軸模式中,灌注流體可透過灌注手持件部分上之灌注流體出口來提供。在一些實施例中,灌注流體出口可為耦接至灌注手持件部分之遠端的灌注套筒中之埠口。灌注套筒可至少部分包圍從灌注手持件部分延伸之第一抽吸尖端。
在雙手動模式中,抽吸手持件部分可從灌注手持件部分解耦以透過第二抽吸尖端(置於第二切口中)提供抽吸,同時灌注手持件部分繼續透過灌注流體出口(在主切口中)提供灌注流體。在雙手動模式中,灌注手持件部分可不透過第一抽吸尖端提供抽吸。
在一些實施例中,插管裝置亦可包含在灌注手持件部分之近端中之密封件,其經組態以當抽吸手持件部分耦接至灌注手持件部分時接收第二抽吸尖端。在一些實施例中,密封件係錐形的且經組態以裝在灌注手持件部分之遠端部分內,使得密封件之壁抵靠灌注手持件部分之內壁按壓以抑制在密封件之壁與灌注手持件部分之內壁之間的流體流。在一些實施例中,密封件可包含O型環,其經組態以抵靠灌注手持件部分之內壁按壓以在O型環與灌注手持件部分之內壁之間抑制流體流。在一些實施例中,密封件可經組態以當抽吸手持件部分從灌注手持件部分移除時抑制抽吸流體從灌注手持件部分流出。在一些實施例中,插管裝置亦可包含保持器,以隨著抽吸手持件部分插入灌注手持件部分且從其撤出時將密封件保持在灌注手持件部分中。
在一些實施例中,抽吸手持件部分之抽吸尖端可被插入灌注手持件部分中之密封件中以將抽吸手持件部分之抽吸尖端置於與灌注手持件部分之抽吸路徑流體連通,使得進入灌注手持件部分上之抽吸尖端之流體經過灌注手持件部分之內部,進入抽吸手持件部分之抽吸尖端中,且接著從抽吸手持件部分出去。一旦尖端被插入,抽吸手持件部分可耦接至灌注手持件部分以形成同軸手持件。將抽吸手持件部分耦接至灌注手持件部分可包含將抽吸手持件部分及灌注手持件部分上之互鎖元件扭轉在一 起。在耦接之後,同軸手持件可接著透過灌注手持件部分上之抽吸尖端提供抽吸,及透過灌注手持件部分上之灌注流體出口提供灌注流體。為將插管裝置進入雙手動模式,抽吸手持件部分可從灌注手持件部分解耦,且抽吸手持件部分的抽吸尖端可從灌注手持件部分中的密封件撤出以形成兩個單獨手持件。灌注流體可接著透過灌注手持件部分上的灌注流體出口提供,而透過抽吸手持件部分上的抽吸尖端提供抽吸。在一些實施例中,透過灌注流體出口提供灌注流體可包含透過耦接至灌注手持件部分之遠端的灌注套筒中的埠口提供灌注流體(灌注套筒可至少部分包圍灌注手持件部分上的抽吸尖端)。
101‧‧‧眼科灌注/抽吸插管裝置、插管裝置
103‧‧‧灌注手持件部分
105‧‧‧抽吸手持件部分
107‧‧‧套筒
123‧‧‧突片
125‧‧‧槽
129‧‧‧灌注流體出口埠口、埠口
131、137、413‧‧‧近端
133、135、415、417‧‧‧遠端
201‧‧‧止回閥
203‧‧‧O型環
205‧‧‧卡入式保持器
207‧‧‧孔隙
207a‧‧‧狹縫
207b‧‧‧交叉狹縫
207c‧‧‧小圓形孔、小圓形孔隙、孔隙
209‧‧‧公連接器
211‧‧‧抽吸管腔室
213‧‧‧淺溝槽
301‧‧‧鉸接擋板
303‧‧‧橫向狹縫
401‧‧‧突片
403‧‧‧卡入槽
405‧‧‧子槽
407‧‧‧肋部
409‧‧‧脊
411‧‧‧開口
419、601‧‧‧凹陷特徵
501‧‧‧對應肋部
701‧‧‧抽吸埠口
801-813、901-917‧‧‧流程圖
1001‧‧‧第一切口
1003‧‧‧第二切口
為更完全理解本發明,與附圖協力對下文描述進行參考,其中:圖1a至圖1c繪示根據實施例之處於同軸模式的插管裝置;圖1d繪示根據實施例之處於雙手動模式的插管裝置;圖2a繪示根據實施例之灌注手持件部分之耦接部分的橫截面;圖2b繪示灌注手持件部分之耦接部分的替代實施例之橫截面;圖3a至圖3g繪示止回閥之各種實施例;圖4a至圖4d繪示根據實施例將止回閥及卡入式保持器插入抽吸管中;圖5繪示根據實施例之具有外部O型環之抽吸管;圖6a至圖6b繪示根據實施例之抽吸管上之外部O型環與外部灌注手持件套管之內壁之間的適貼配合;圖7a至圖7d繪示根據實施例之抽吸手持件部分之各種視圖;圖8繪示根據實施例之用於組裝插管裝置之方法的流程圖;圖9繪示根據實施例之用於使插管裝置在同軸模式與雙手動模式之間變換之方法的流程圖;及 圖10繪示根據實施例之處於雙手動模式之插管裝置。
應理解,前文之一般描述及下文詳細之描述兩者僅僅是例示性及解釋性的,且旨在提供如所主張之本發明之進一步解釋。
在一些實施例中,眼科灌注/抽吸插管裝置101可支持同軸模式(單手)及雙手動模式(雙手)兩者。插管裝置101可經組態以在單個同軸手持件(如圖1a至圖1c中所示)與單獨的雙手動手持件(如圖1d中所示)之間變換。在兩個模式中,可透過灌注手持件部分103之遠端133處的套筒107中的灌注流體出口埠口129提供灌注流體(例如,進入眼中的第一切口)。在同軸模式中,抽吸可透過套筒107中之第一抽吸尖端111提供,而在雙手動模式中,抽吸可藉由單獨抽吸手持件部分105上之第二抽吸尖端109提供(例如,插入眼中的第二切口)。在一些實施例中,在雙手動模式中時,抽吸無法透過第一抽吸尖端111提供。當插管裝置101用於同軸模式組裝時,抽吸路徑可通過連續的第一抽吸尖端及第二抽吸尖端兩者,其中第一抽吸尖端111在套筒107內,且第二抽吸尖端109在插管裝置手柄內(至少部分由外部灌注手持件套管121形成)。流體可最初進入第一抽吸尖端111之遠端417中的孔,流動通過抽吸管117,由手柄內之第二抽吸尖端109抽吸,且接著透過抽吸手持件部分105之近端137上的連接器115而從插管裝置101出去。
在一些實施例中,對於雙模式操作,插管裝置101可藉由將抽吸手持件部分105從灌注手持件部分103解耦且將抽吸手持件部分105從灌注手持件部分103移除而被分成兩個手持件(即,灌注手持件103及抽吸手持件105)。例如,如圖1d中所見,抽吸手持件部分105可被扭轉以將抽吸手持件部分105上的突片123從灌注手持件部分103中之槽125脫離,且接著軸向拉動以將抽吸手持件部分105從灌注手持件部分103分離。在一些實施例中,插管裝置101可在沒有添加、移除或改變管路連接或移除套筒107之下被變換成兩個單獨手持件。隨著抽吸手持件部分105從灌注手持件部分103分離,第二抽吸尖端109可接著透過眼中之第二切口插入以進行抽吸(例如,使能夠移除子切口皮質)。在一些實施例中,插管裝 置101可藉由將抽吸手持件部分105耦接至灌注手持件部分103而變回至用於同軸操作的單一手持件。例如,抽吸手持件部分105之第二抽吸尖端109可插入灌注手持件部分103之近端131中,且接著抽吸手持件部分105可被扭轉以將突片123與槽125接合以將抽吸手持件部分105鎖定至灌注手持件部分103。在一些實施例中,突片123及槽125可被定尺寸以在抽吸手持件部分105被扭轉至灌注手持件部分103上以接合突片123及槽125時提供摩擦配合。亦預期其他接合機構(例如,突片及槽卡入組態,管中管摩擦配合,等等)。
如圖2a中所見,在一些實施例中,插管裝置101之灌注手持件部分103中之止回閥201可在灌注手持件部分103及抽吸手持件部分105分離時抑制流體從灌注手持件部分103出去,但可在灌注手持件部分103及抽吸手持件部分105耦接在一起時允許透過尖端109的流體連通。在一些實施例中,O型環203可進一步防止在灌注手持件部分103及抽吸手持件部分105耦接在一起時抽吸流體在灌注手持件部分103與抽吸手持件部分105之前的止回閥201四周流動。在一些實施例中,止回閥201及O型環203可為彈性體的(例如,由聚合物製成)。亦預期用於止回閥及O型環之其他材料。在一些實施例中,外部灌注手持件套管121之內壁中之淺溝槽213(例如,見圖2a)可接收抽吸管117上之對應肋部501(見圖5)以將抽吸管117在外部灌注手持件套管121內對齊並保留,且抑制抽吸管117在外部灌注手持件套管121內旋轉。在一些實施例中,抽吸管117可以是平滑的且不包含肋部501。在一些實施例中,外部灌注手持件套管121之內壁可為平滑的(即,不包含淺溝槽213)且抽吸管117可具有與灌注手持件套管121之內壁的摩擦配合。例如,抽吸管117上之肋部501可經組態以隨著抽吸管117插入灌注手持件套管121中而抵靠其內壁壓碎,以在抽吸管117與灌注手持件套管121之間提供穩定的摩擦配合。
圖2b展示灌注手持件部分103及抽吸手持件部分105之替代實施例。圖2b展示具有比圖2a中所示更小之基部的止回閥201的不同輪廓。如圖2b中所示,止回閥201可包含軸向O型環203,其中O型環之一側上之平坦面面對抽吸管117上之對應平坦面。背離該平坦面之O型環 203的圓形部分可經組態以在抽吸手持件部分105耦接至灌注手持件部分103時抵靠抽吸手持件部分105軸向按壓及密封。
如圖3a至圖3b中所見,在一些實施例中,止回閥201可為錐形的,在止回閥201的尖端中具有孔隙207以使抽吸尖端109通過。在一些實施例中,孔隙/尖端界面可貼合使得當抽吸尖端109被插入孔隙207中時抑制抽吸流體在抽吸尖端109四周流動。此外,當抽吸尖端109撤出時孔隙207可關閉或大小減小以在抽吸尖端109不存在時抑制流體流動通過減小的孔隙。例如,如圖3c中所示,孔隙207可被組態為狹縫207a,其中當抽吸尖端109撤出時狹縫207a之兩側碰到一起以防止流體通過孔隙207。孔隙207亦可包含如圖3d中所示的兩個交叉狹縫207b。亦可預期其他孔隙形狀(例如,孔隙207可成型為如圖3e中所示的小圓形孔207c)。如圖3f至圖3g中所見,在一些實施例中,止回閥201可包含具有鉸接擋板301之小圓形孔隙207c。鉸接擋板301可從橫向狹縫303形成(橫向,如圖3f至圖3g之橫截面中所見)。鉸接擋板301可用作擋板閥以在抽吸尖端109不存在時關閉以形成密封。抽吸管腔室211中存在的任何流體之壓力亦將用於按壓關閉的鉸接擋板301。孔隙207c可具有某一深度(如所示)以允許橫向狹縫303之軸向位置的更大公差。
在一些實施例中,止回閥201可包含側壁,其抵靠灌注手持件部分103內之抽吸管117之內壁配合。止回閥201之側壁與抽吸管117之內壁之間的適貼配合可抑制止回閥201與抽吸管117的內壁之間的抽吸流體流。O型環203可通過進一步抑制O型環203與抽吸管117之內壁之間的流體流動而對流體流提供額外障壁。在一些實施例中,O型環203及止回閥201可由單件形成(在一些實施例中,O型環203及止回閥201可為單獨件)。
在一些實施例中,卡入式保持器205可在抽吸手持件部分105從灌注手持件部分103分離時將O型環203及止回閥201固定在灌注手持件部分103中。如圖4a至圖4b中所見,在組裝期間,止回閥201及O型環203可插入抽吸管117內,接著的是可具有卡入槽403中的突片401之卡入式保持器205。如圖4c中所見,在一些實施例中,子槽405可被定 大小以在突片401略微變形且接著(如圖4d中所示)往回卡入槽403中之前使突片401滑入。如圖2a中所見,一旦安裝,卡入式保持器205可抑制止回閥201及O型環203之移除。在一些實施例中,卡入式保持器205可鄰接O型環203或可從O型環203略微間隔開。如圖2b之替代實施例中所示,止回閥201可以不使用卡入式保持器205(例如,當抽吸手持件部分105被移除時O型環203與外部灌注手持件套管121之側壁之間的摩擦配合可將止回閥201保持在外部灌注手持件套管121內)。
如圖5中所見,抽吸管117可包含額外O型環119。如圖6a至圖6b中所見,O型環119可提供抽吸管117與外部灌注手持件套管121之間的摩擦配合。隨著O型環119/抽吸管117總成插入外部灌注手持件套管121中,O型環119可在外部灌注手持件套管121中之對應凹陷內部壓縮且與其形成流體緊密密封。在一些實施例中,流體緊密密封可抑制從連接器113進入灌注手持件部分103的灌注流體從灌注手持件103的近端131出去。灌注流體可從連接器113進入灌注手持件部分103,且在O型環119與套筒107之間的抽吸管117外側四周流動。肋部407(如圖4a中所見)可將抽吸管117的遠端415從外部灌注手持件套管121之內壁間隔開以形成用於灌注流體的通道。灌注流體可接著流動通過開口411且在螺合至抽吸管117之遠端415中的抽吸尖端111四周流動。套筒107可卡入或螺合於外部灌注手持件套管121之脊409上,且從連接器113接收灌注流體。灌注流體可接著透過灌注流體出口(例如,埠口129)而離開套筒107。
如圖7a至圖7d中所見,抽吸手持件部分105可形成專用於第二切口之抽吸的單獨手持件部分。流體可透過抽吸埠口701進入抽吸尖端109(在雙手動模式及同軸模式兩者期間)。抽吸手持件部分105上之抽吸尖端109展示為彎曲的,但是亦預期其他形狀(例如,筆直、呈角度,等等)。在一些實施例中,如圖2a中所見,彎曲的抽吸尖端109可被彎曲或呈角度以到達眼中之各種解剖結構。在一些實施例中,彎曲的抽吸尖端109亦可朝抽吸管117之底壁彎曲或呈角度,以更容易地到達被牽引至抽吸管腔室211中之抽吸流體(然而,插管裝置101亦將伴隨筆直抽吸尖端109在同軸模式中運作)。在一些實施例中,抽吸管腔室211可具有比抽吸管117 之向前部分更大的直徑以允許當插管裝置101處於同軸模式時抽吸流體彙集在第二抽吸尖端109(當該同軸手持件呈某一角度使用時)以從第二抽吸尖端109抽出。當插管裝置101處於同軸模式時可透過抽吸尖端109在抽吸管117中提供真空。
在一些實施例中,抽吸尖端111可包含耦接至(例如,包覆成型至、螺合至、透過粘合劑附接,等等)針(例如,不鏽鋼插管)的套筒107(如聚合物套筒)。亦預期用於套筒107及針之其他材料。如圖1b中所見,抽吸尖端111可包含筆直的針。如圖1c中所見,抽吸尖端111及套筒107可為彎曲的。在一些實施例中,如圖1c中所見,抽吸尖端111及套筒107可以從灌注手持件部分103具有灌注連接器113的一側相反的方向上(即,背離其所指向的方向)彎曲,因為灌注連接器113將最可能在醫師抓握處的上方延伸,且抽吸尖端111及套筒107之相反彎曲將利用灌注手持件部分103下方之手術「自由」空間(「自由」意味著該空間未被進入的灌注線妨礙)。如圖1d中所見,抽吸尖端109亦可包含彎曲的針。亦預期用於抽吸尖端111及抽吸尖端109之其他針形狀(例如,呈角度,筆直,等等)。同樣,亦預期用於套筒107之其他套筒形狀(例如,呈角度、筆直,等等)。在一些實施例中,用於抽吸尖端111之針可為裸露的或由聚合物塗層包覆成型。在一些實施例中,抽吸尖端109之針可為裸露的或由聚合物塗層包覆成型。
如圖2a中所見,在一些實施例中,至灌注手持件部分103之管路連接可包含各種醫學魯爾配件。例如,管路連接113可包含如圖2a中所示之母魯爾鎖(例如,耦接至公連接器209)。至抽吸手持件部分105之管路連接亦可包含各種醫學魯爾配件(例如,抽吸手持件部分105之近端137上之公魯爾115,以耦接至母連接器127)。亦預期其他連接類型(例如,如圖2b中所見,連接器113可為母連接器)。連接器113可經組態以接收呈角度β之灌注線(例如,β可大約在10度至25度的範圍內)以減少灌注線上之彎曲(其可抑制流體流)且使得抽吸手持件部分105或灌注手持件部分103更容易保持在手中。亦預期其他β角度(例如,β可大約在5度與90度之間之範圍內)。在一些實施例中,用於抽吸之抽吸魯爾115 可在抽吸手持件部分105之末端上(用於魯爾115之其他位置亦可行)。亦預期用於灌注入口即抽吸出口之其他管路連接(例如,摩擦配合、粘合劑,等等)。
圖8繪示組裝插管裝置101之方法之流程圖。流程圖中提供之元素僅為例證性的。所提供之各種元素可被省略,可添加額外元素,及/或各種元素可以不同於下文所提供的順序執行。
在801,抽吸尖端111可耦接至抽吸管117之遠端415。例如,抽吸尖端111可螺合於抽吸管117中之開口中。
在803,止回閥201可插入抽吸管117之近端413中,直到止回閥201之O型環203鄰接抽吸管117之凹陷特徵419。
在805,卡入式保持器205可在止回閥201後方插入,直到卡入式保持器205上之一個或多個突片401卡入抽吸管117上之接收孔403中。可使用卡入式保持器205之其他附接機構。例如,卡入式保持器205可透過粘合劑、摩擦配合等等而耦接至抽吸管117。在一些實施例中,卡入式保持器205可以不使用(例如,如圖2b中所示的實施例中所見)。
在807,組裝的抽吸管117可插入灌注手持件外部套管121中,直到抽吸管117上之外部O型環119鄰接灌注手持件外部套管121之內部上的凹陷特徵601。在一些實施例中,肋部501可與外部灌注手持件套管121之內部上的接收溝槽213對齊。
在809,抽吸尖端109可耦接至抽吸手持件部分105之遠端135。例如,抽吸尖端109可螺合於抽吸手持件部分105上之接收螺紋中。
在811,抽吸手持件尖端109可插入在灌注手持件部分103之近端131處的止回閥201中。如圖3c至圖3e中所見,止回閥201可包含孔隙207以允許抽吸手持件尖端109通過止回閥201。
在813,抽吸手持件部分105可耦接至灌注手持件部分103。例如,抽吸手持件部分105之末端可插入灌注手持件部分103之近端131中且接著扭轉以將抽吸手持件部分105上之突片123與灌注手持件部分103上之槽125接合。在一些實施例中,灌注手持件部分103可具有突片123且抽吸手持件部分105可具有槽125。其他耦接技術亦可行(例如,灌注手 持件部分103與抽吸手持件部分105之間的摩擦配合)。
流程圖801至813的元素亦可顛倒以拆卸插管裝置101。組裝/拆卸可允許插管裝置101之部分或全部被清潔及/或殺菌以可再次使用。在一些實施例中,插管裝置101之部分可再次使用,而其他部分(例如,抽吸尖端109及/或111)可在使用之期間丟棄(對於每次後續使用安裝新的尖端)。在一些實施例中,整個插管裝置101可為可丟棄的。在一些實施例中,整個插管裝置101可為可再次使用的。
圖9繪示使用插管裝置101之方法之流程圖。流程圖中提供之元素僅為例證性的。所提供之各種元素可被省略,可添加額外元素,及/或各種元素可以不同於下文所提供的順序執行。
在901,處於同軸模式的組裝的插管裝置101可插入眼中之第一切口1001中(例如,見圖10中之切口1001)。
在903,可透過套筒107提供灌注,且可透過插管裝置101之抽吸尖端111提供抽吸。
在905,可在眼中製造第二切口1003。
在907,抽吸手持件部分105可從灌注手持件部分103解耦。例如,如圖1d中所見,抽吸手持件部分105可被扭轉以將抽吸手持件部分105上的突片123從灌注手持件部分103中之槽125脫離,且接著軸向拉動以將抽吸手持件部分105從灌注手持件部分103分離。在一些實施例中,抽吸手持件部分105可從灌注手持件部分103移除,而套筒107及尖端111保留在切口1001中。在一些實施例中,套筒107及尖端111可在將抽吸手持件部分105從灌注手持件部分103移除之前從切口1001撤出。
在909,抽吸手持件部分105之尖端109可插入眼中的第二切口1003中。
在911,隨著灌注透過灌注手持件部分103透過套筒107繼續,可在第二切口1003中透過抽吸手持件部分105之尖端109提供抽吸。
在913,抽吸手持件尖端109可從眼中的第二切口1003撤出。
在915,抽吸手持件尖端109可插入灌注手持件部分103之 近端131處之止回閥201中。
在917,抽吸手持件部分105可耦接至灌注手持件部分103。在一些實施例中,抽吸手持件部分105可耦接至灌注手持件部分103,而套筒107及尖端111保留在切口1001中。在一些實施例中,套筒107及尖端111可在將抽吸手持件部分105耦接至灌注手持件部分103之前從切口1001撤出。
一般技術者可對所呈現的實施例進行各種修改。在考量本文中揭示之本說明書並實踐本發明之後,熟悉此項技術者將顯而易見本發明之其他實施例。本說明書及實例旨在僅被視為例示性的,其中本發明之真實範疇及精神由隨附申請專利範圍及其等效物指示。
101‧‧‧眼科灌注/抽吸插管裝置、插管裝置
103‧‧‧灌注手持件部分
105‧‧‧抽吸手持件部分
107‧‧‧套筒
123‧‧‧突片
125‧‧‧槽
129‧‧‧灌注流體出口埠口、埠口

Claims (15)

  1. 一種插管裝置,其包括:一灌注手持件部分,其包括經組態以提供抽吸之一第一抽吸尖端及經組態以提供一灌注流體之一灌注流體出口;一抽吸手持件部分,其包括經組態以提供抽吸之一第二抽吸尖端,其中該第二抽吸尖端從該抽吸手持件部分之一遠端延伸;其中該插管裝置可在以下兩者之間變換:一同軸模式,其中該抽吸手持件部分耦接至該灌注手持件部分使得透過該第一抽吸尖端及接著該第二抽吸尖端連續抽吸流體,且透過該灌注流體出口提供該灌注流體,及一雙手動模式,其中該抽吸手持件部分從該灌注手持件部分分離以透過該第二抽吸尖端提供抽吸,而該灌注手持件部分繼續透過該灌注流體出口提供該灌注流體,但不透過該第一抽吸尖端提供抽吸。
  2. 如請求項1之插管裝置,其中該灌注流體出口係耦接至該灌注手持件部分之一遠端之一灌注套筒中之一埠口,其中該灌注套筒至少部分包圍從該灌注手持件部分延伸之該第一抽吸尖端。
  3. 如請求項1之插管裝置,其進一步包括在該灌注手持件部分之一近端中之一密封件,其中該密封件經組態以在該抽吸手持件部分耦接至該灌注手持件部分時接收該第二抽吸尖端。
  4. 如請求項3之插管裝置,其中該密封件係錐形的且經組態以裝在該灌注手持件部分之該近端內,使得該密封件之壁抵靠該灌注手持件部分之內壁按壓以抑制該密封件之壁與該灌注手持件部分之內壁之間之流體流。
  5. 如請求項3之插管裝置,其中該密封件包括一O型環,其經組態以抵靠該灌注手持件部分之內壁按壓,以抑制該O型環與該灌注手持件部分之內壁之間之流體流。
  6. 如請求項3之插管裝置,其中該密封件經組態以在該抽吸手持件部分從該灌注手持件部分移除時抑制抽吸流體從該灌注手持件部分流出。
  7. 如請求項3之插管裝置,其進一步包括一保持器,以隨著該抽吸手持件部分插入該灌注手持件部分及從其撤出而將該密封件保持在該灌注手持件部分中。
  8. 如請求項1之插管裝置,其中該灌注手持件部分及該抽吸手持件部分包含互鎖元件以將該抽吸手持件部分之遠端可釋放地耦接至該灌注手持件部分之一近端。
  9. 如請求項1之插管裝置,其中該灌注手持件部分進一步包括一灌注連接器,其經組態以耦接至將該灌注流體提供至該灌注手持件部分之一灌注線,且其中該第二抽吸尖端在背離該灌注手持件部分包括該灌注連接器的一側所指向的一方向上彎曲。
  10. 如請求項1之插管裝置,其中該第一及第二抽吸尖端皆是彎曲的。
  11. 如請求項1之插管裝置,其中該灌注手持件部分進一步包含一套筒,該套筒具有一遠端及一近端,其中該近端係耦接至該灌注手持件部分,且其中該灌注流體透過該遠端從該套筒出去;以及其中在該同軸模式中,該第一抽吸尖端延伸至該套筒之遠端。
  12. 一種方法,其包括:將一抽吸手持件部分之一抽吸尖端插入一灌注手持件部分中之一密封件中以將該抽吸手持件部分之抽吸尖端置於與該灌注手持件部分之一抽吸路徑流體連通,使得進入該灌注手持件部分上之一抽吸尖端的流體通過該灌注手持件部分之一內部、進入該抽吸手持件部分之抽吸尖端中,且接著從該抽吸手持件部分出來;將該抽吸手持件部分耦接至該灌注手持件部分以形成一同軸手持件;透過該灌注手持件部分上之該抽吸尖端提供抽吸,且透過該灌注手持件部分上之一灌注流體出口提供灌注流體;將該抽吸手持件部分從該灌注手持件部分解耦;將該抽吸手持件部分之抽吸尖端從該灌注手持件部分中之該密封件撤出以形成兩個單獨手持件;及透過該灌注手持件部分上之該灌注流體出口提供該灌注流體,且透過該抽吸手持件部分上之該抽吸尖端提供抽吸。
  13. 如請求項12之方法,其中透過該灌注流體出口提供該灌注流體包括透過耦接至該灌注手持件部分之一遠端的一灌注套筒中之一埠口提供該灌注流體,其中該灌注套筒至少部分包圍該灌注手持件部分上之該抽吸尖端。
  14. 如請求項12之方法,其中將該抽吸手持件部分耦接至該灌注手持件部分包括將該抽吸手持件部分及該灌注手持件部分上之互鎖元件扭轉在一起。
  15. 如請求項12之方法,其中將該抽吸手持件部分耦接至該灌注手持件部分且將該抽吸手持件部分從該灌注手持件部分解耦不需要移除灌注或抽吸管路連接且不需要從該灌注手持件部分移除一套筒。
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US20140364799A1 (en) 2014-12-11
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CA2912530A1 (en) 2014-12-11
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