TWI462721B - 具有遠端驅動器的氣動外科切割及緊固器具 - Google Patents

具有遠端驅動器的氣動外科切割及緊固器具 Download PDF

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TWI462721B
TWI462721B TW096128138A TW96128138A TWI462721B TW I462721 B TWI462721 B TW I462721B TW 096128138 A TW096128138 A TW 096128138A TW 96128138 A TW96128138 A TW 96128138A TW I462721 B TWI462721 B TW I462721B
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assembly
distal
proximal
cylinder
cylinder housing
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Shelton, Iv
Jerome R Morgan
Eugene L Timperman
Leslie M Fugikawa
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Ethicon Endo Surgery Inc
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    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/068Surgical staplers, e.g. containing multiple staples or clamps
    • A61B17/072Surgical staplers, e.g. containing multiple staples or clamps for applying a row of staples in a single action, e.g. the staples being applied simultaneously
    • A61B17/07207Surgical staplers, e.g. containing multiple staples or clamps for applying a row of staples in a single action, e.g. the staples being applied simultaneously the staples being applied sequentially
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00Surgical instruments, devices or methods, e.g. tourniquets
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/12Surgical instruments, devices or methods, e.g. tourniquets for ligaturing or otherwise compressing tubular parts of the body, e.g. blood vessels, umbilical cord
    • A61B17/122Clamps or clips, e.g. for the umbilical cord
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00Surgical instruments, devices or methods, e.g. tourniquets
    • A61B2017/00367Details of actuation of instruments, e.g. relations between pushing buttons, or the like, and activation of the tool, working tip, or the like
    • A61B2017/00398Details of actuation of instruments, e.g. relations between pushing buttons, or the like, and activation of the tool, working tip, or the like using powered actuators, e.g. stepper motors, solenoids
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00Surgical instruments, devices or methods, e.g. tourniquets
    • A61B2017/00535Surgical instruments, devices or methods, e.g. tourniquets pneumatically or hydraulically operated
    • A61B2017/00544Surgical instruments, devices or methods, e.g. tourniquets pneumatically or hydraulically operated pneumatically
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/28Surgical forceps
    • A61B17/29Forceps for use in minimally invasive surgery
    • A61B2017/2926Details of heads or jaws
    • A61B2017/2927Details of heads or jaws the angular position of the head being adjustable with respect to the shaft
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/32Surgical cutting instruments
    • A61B2017/320052Guides for cutting instruments

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  • Surgery (AREA)
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Description

具有遠端驅動器的氣動外科切割及緊固器具
本發明大體上關於外科器具,更特定言之係關於氣動外科切割及緊固器具。本發明可應用於習知內視鏡和開放性外科儀器且可應用於機器人輔助的外科手術。
外科切割及緊固器具(釘合器)在習知技藝中已被用來在組織中造成一縱長切口並將成排肘釘施加於該切口之相對兩側上。此等器具通常包含一對合作顎夾構件,當該器具係欲用於內視鏡或腹腔鏡應用的情況,該對顎夾構件能夠通過一套管通道。該等顎夾構件之一者收納一釘匣,該匣具有至少二列橫向間隔的肘釘。另一顎夾構件界定一砧,該砧具有與該匣內之肘釘列對準的肘釘成形穴。該器具包含複數個往復楔,該等楔在被從遠端傳動時通過該釘匣中之開口且接合於支承該等肘釘的傳動器以執行該等肘釘朝向該砧之擊發作用。
經過多年,頃已開發出多種不同作動切割及肘釘展開組件的方法。舉例來說,授證給Shelton,IV等人之美國專利第6,978,921號揭示一種外科釘合器具,其使用經由把手上之各種扳機機構之手動驅動作用帶動的組織切斷及肘釘展開組件。頃已開發出使用電池動力馬達的其他外科釘合裝置。此一裝置揭示於授證給Viola等人之美國專利第5,954,259號。
還有其他外科釘合器係由一加壓氣體源作動。舉例來說,授證給Green等人之美國專利第6,619,529號揭示一種外科釘合器,其利用把手中之一加壓氣體源向一同樣位於該把手內的氣缸供給動力。該氣缸裝有一活塞總成,該活塞總成因加壓氣體進入該氣缸而被作動。該活塞經建構與位於長形管部分及把手構件內之組件一起行動以導致安裝在遠端之終端作用器中的肘釘和手術刀展開。但此種設計採用一複雜的組件集合將安裝在把手之活塞的運動傳輸到位於裝置之終端作用器部分中之組件。此外,當使用此一裝置時,會有動力源在外科程序期間耗盡的風險,因為沒有辦法監測氣匣內剩餘之氣體量。如果是在擊發或回縮循環期間發生此事,此等裝置缺乏易於將耗盡容器換成一新容器或輔助動力源的器件。
另一種氣動外科釘合裝置揭示於授證給Roy之美國專利公開案US 2006/0151567號。此種裝置利用一被支承在裝置把手中之氣動馬達或活塞系統產生一運動且利用此運動來作動終端作用器。此種裝置可由可卸式匣供給動力或是從一外界動力源譬如醫院之既有高壓空氣或氣體供應源供給動力。
此等使用裝置把手部分中之匣或容器的氣動裝置也受到要儲存充分體積之加壓氣體以實現該裝置在一最小可用壓力下之期望作動次數所需要的貯氣瓶大小限制。在過去,針對大多數應用/程序設計的裝置會需要有一大貯氣瓶供其使用,或者在使用較小貯氣瓶之情況中此等貯氣瓶會具有不想要的高壓。此外,運用可卸式匣可供使用無限次的裝置必須接受再處理及再消毒。這些安排可能大幅改變表現能力且因此可能較不為人所喜。
習知氣力作動內切割器(endocutter)存在著其他問題。舉例來說,一旦外科醫師透過一單開關或啟動扳機起動此器具,器具會進行或至少試圖完成擊發循環。然後,擊發組件可被傳動系統縮回。儘管使用美國專利公開案US 2006/0151567號所揭示之裝置的外科醫師可透過一扳機總成中斷擊發循環且/或調整送到裝置之氣流量,但並沒有監測裝置之進程的器件。此外,此等習知裝置缺乏萬一在過程中喪失操作壓力或因故中斷時手動縮回刀具和擊發桿機構的器件。再者,此等裝置缺乏讓臨床醫師向傳動系統手動施加額外力量以協助擊發機構推進或是減緩推進的器件。
因此,需要一種無須使用大量組件之集合即能將氣力產生的釘合及擊發運動轉移至終端作用器組件的氣動外科釘合裝置。
又,需要一種氣動外科釘合裝置,其具備讓外科醫師控制並監測該裝置進行擊發及回縮循環時之進程的器件。
又,需要一種氣動外科釘合裝置,其向外科醫師提供有關擊發期間遭遇之力量的觸覺和其他回饋以及該裝置抵達其已作動位置並備便要被縮回之時的通知。
今需要一種經濟且具有輕易替換動力源之能力同時限制此等動力源可被替換之次數的氣動外科釘合裝置。
又,需要更有效率地將氣體儲存在用以向外科釘合裝置供給動力之貯氣瓶內的方法及裝置,使得單一貯氣瓶可供給動力進行更多次使用。
又,需要一種具有用以在萬一發生氣動力喪失或中斷時手動縮回刀具和擊發桿總成之器件的氣動釘合裝置。
又,需要具備上述特徵之一或多者且亦具有一終端作用器的裝置,該終端作用器可相對於把手總成及/或其所附接之長軸桿總成部分選擇性地活節運動。
又,需要具備上述特徵之一或多者且亦能夠配合可拆裝式終端作用器的裝置,以便此等裝置搭配拋棄式終端作用器配置使用。
在一總體觀點中,本發明針對一種外科器具,其包括一經建構用以接收一氣力操作工具總成的遠端構件。該器具可包含一具有一近端部分和一遠端部分的長軸桿總成。該遠端部分可耦接於該遠端構件。該器具可更進一步包括一被該長軸桿總成之遠端部分支承的傳動構件。該傳動構件可經建構以在從氣動力源接收至少一氣力傳動信號之後向被該遠端構件支承的該氣力操作工具總成施加至少二線性驅動運動。
在另一總體觀點中,本發明針對一種外科器具,其可包含一把手總成及一閉合傳動器,該閉合傳動器被該把手總成支承且經建構用以產生一關閉運動和一開啟運動。一驅動機構亦可被該把手總成支承致使其與該氣動力源聯繫以選擇性地產生至少一氣力驅動信號。一長軸桿總成可耦接於該把手總成並與該閉合傳動器聯繫以轉移該開啟和關閉運動以及該等氣力驅動信號。一擊發傳動構件可被該長軸桿總成之一遠端可操作地支承且可經建構用以回應該等氣力驅動信號產生一擊發運動和一回縮運動。該器具可更進一步包括一耦接於該長軸桿總成的終端作用器。該終端作用器在各非限制性實施例中可包括一經訂定大小用以在其內收納一釘匣的長槽道。一砧,其可樞轉地耦合於該長槽道且對於來自該長軸桿總成的開啟和關閉運動作出樞轉反應。一切割及切斷構件被可操作地支承於該長槽道內且對於來自該擊發傳動構件的擊發和回縮運動作出回應。
在另一總體觀點中,本發明針對一種外科器具,其可包括一在內部支承一氣動力源的把手總成。一閉合傳動器可被該把手總成支承且經建構用以產生一關閉運動和一開啟運動。一驅動機構可被該把手總成支承且經建構用以與該氣動力源聯繫以選擇性地產生至少一氣力驅動信號。一長軸桿總成可耦接於該把手總成並與該閉合傳動器聯繫以轉移該開啟和關閉運動以及該等氣力驅動信號。一擊發傳動構件可被該長軸桿總成之一遠端可操作地支承且可經建構用以回應該等氣力驅動信號產生一擊發運動和一回縮運動。一終端作用器可耦接於該長軸桿總成。在各非限制性實施例中,該終端作用器可包括一經訂定大小用以在其內收納一釘匣的長槽道。一砧,其可樞轉地耦合於該長槽道且對於來自該長軸桿總成的開啟和關閉運動作出樞轉反應。一切割及切斷構件被可操作地支承於該長槽道內且對於來自該擊發傳動構件的擊發和回縮運動作出回應。
以下搭配隨附圖式以舉例方式說明本發明之多個實施例,其中可利用相同數字敘述相同部件。
今翻到圖式,各圖中以相同數字標示相同組件,圖1示出一種能夠實現本發明之數項獨特益處的外科釘合及切斷器具10。圖1所示實施例包含一把手總成300、一長軸桿總成100、及一連接於長軸桿總成100的終端作用器12。本發明之各實施例可包含一可樞轉地附接於長軸桿總成100且被彎曲纜索或帶樞轉帶動的終端作用器,譬如2006年1月10日申請之發明名稱為〝SURGICAL INSTRUMENT HAVING AN ARTICULATING END EFFECTOR〞之美國專利申請案序號第11/329,020號所揭示者,該申請案之內容以引用的方式併入本文中。但隨著本發明的詳細說明逐漸進行,熟習此技藝者會理解到本發明之各實施例可關於採用不同樞轉機構和控制之終端作用器配置成功地實行,且如下文所將更進一步詳細說明,甚至可成功地利用無活節的終端作用器配置。
如圖1所示,器具10之把手總成300可包含一閉合扳機302和一擊發扳機310。應理解到具有針對不同外科任務使用之終端作用器的器具可能具有不同數量或類型之扳機或是其他適合操作一終端作用器的控制器。圖中所示終端作用器12藉由較佳為長形的軸桿總成100分隔於把手總成300。臨床醫師可利用一活節控制器200使終端作用器12相對於軸桿總成100進行活節運動。
應理解到諸如鉛直、水平、右、左等之空間用語係在假設外科器具10之縱向軸線與長軸桿總成100之中心軸線同軸且扳機302、310從把手總成300底部以一銳角向下延伸的狀態下參照圖式提出。但在實際實行當中,外科器具10可以多種不同角度定向,且因此這些空間用語係相對於外科器具10本身使用。又,〝近側(proximal)〞一辭在本說明書中係以一身在把手總成300背後之臨床醫師的觀點來看,此臨床醫師將終端作用器12放成遠離自己。
在本說明書中,〝加壓氣體〞一辭意指適合用在無菌環境中使用之氣動系統內的任何氣體。此等媒介的非限制性實例包含壓縮空氣,二氧化碳(CO2 ),氮氣,氧氣,氬氣,氦氣,氫化鈉,丙烷,異丁烷,丁烷,氟氯碳化物類,二甲基醚,甲基乙基醚,氧化亞氮,氫氟烷類(HFA),例如HFA 134a(1,1,1,2,-四氟乙烷)或HFA 227(1,1,1,2,3,3,3-七氟丙烷)。
在本說明書中,〝流體耦合(fluidically coupled)〞一辭意指元件經一適當線路或其他構件耦接以許可加壓氣體在其間通行。在本說明書中,用在〝供氣管線路〞或〝回氣線路〞中的〝線路〞係指一由剛性或可撓導管、管件、管路等形成用以將加壓氣體從一組件輸送到另一組件的適當通道。
在本說明書中,〝氣力信號〞或〝氣力傳動信號〞係指從一加壓氣體源流到流體耦合於該加壓氣體源之一或多個組件的氣流或是經流體耦合在一起之組件之間的氣流。
在本說明書中,〝大致橫斷縱向軸線〞(其中〝縱向軸線〞係軸桿之軸線)係指一幾近垂直於該縱向軸線的方向。但應理解到稍稍偏離垂直於該縱向軸線的方向也是大致橫斷縱向軸線。
圖2例示一可用在本發明各實施例之一種氣力操作工具總成或終端作用器的分解組裝圖。圖1-4所示氣力操作工具總成12經建構當作一內切割器。但隨著本發明的詳細說明逐漸進行,會理解到本發明之實施例的多種不同獨特新穎傳動配置亦可想見被用來驅動經建構用以執行其他外科工作的其他終端作用器且因此需要對圖中所示組件進行移除、修改或增添。又,應理解到圖1-4所示終端作用器12可針對特定外科應用客製化。
一種可用於本發明各實施例的終端作用器示於圖2。如圖所示,終端作用器12採用一E形樑擊發機構(〝刀具總成〞)30,該機構除了切割組織並擊發位於安裝在其中之一釘筒內的肘釘,更有利地控制終端作用器12之一砧部分相對於釘筒的間距。E形樑擊發機構之多樣觀點已在授證給Shelton,IV等人之發明名稱為〝Surgical Stapling Instrument Incorporating An E-Beam Firing Mechanism〞的美國專利第6,978,921號中提及,該專利之相關部分以引用的方式併入本文中。但隨著本發明的詳細說明逐漸進行,熟習此技藝者會理解到可能可用其他刀具和擊發機構組態而不脫離本發明之精神及範圍。
在本說明書中,〝擊發機構〞意指氣動工具及/或終端作用器之一或多個部分,其從一該擊發機構可能本質上處於休止狀態的未作動位置移動至一該或該等部分已被移動或變換位置到一最終位置的已作動、終端位置,其中此移動導致該工具因應對其施加之至少一擊發運動而完成一或多項動作。擊發機構舉例來說可包括:(i)完全被氣動工具支承且與外科裝置中之組件交界的的組件;(ii)位於氣動工具內及外科裝置內之組件的一個組合;或(iii)被外科裝置支承且可移入及移出氣動工具的組件。在本說明書中,〝擊發行程〞意指擊發機構從未作動位置到已作動位置的實際移動。文中〝回縮行程〞意指擊發機構從已作動位置移回未作動位置的回行移動。
如圖2所示,終端作用器12包含一遠端構件,該遠端構件在各非限制性實施例中包括一長槽道20,有一可樞轉平移的砧40附接於該長槽道。長槽道20經建構用以接收並支承一釘匣50,該釘匣對於刀具總成30作出回應以驅使肘釘70與砧40發生成形接觸。應理解到儘管本文有利地提出一可輕易替換的釘匣,可將一與本發明之觀點一致的釘匣永久性地固定或整合於長槽道20。
在各實施例中,擊發機構或刀具總成30包含在擊發期間控制終端作用器12之間距的鉛直間隔銷。特定言之,上部銷32經布置以進入位在砧40與長槽道20間之樞軸附近進入一砧穴42。參見圖4,當在砧40關閉之狀態下擊發時,上部銷32在一往遠側延伸穿過砧40的縱向砧槽孔44內朝遠側推進。砧40中之任何微小往上偏轉均被上部銷32給予之一向下力克服。
刀具總成30亦包含一往上接合於形成在長槽道20中之一槽道槽孔23(圖2)的刀棒帽34,藉此與上部銷32合作以當萬一砧40與長槽道20之間夾住太多組織時將砧40與長槽道20稍稍互相拉近。在各實施例中,刀具總成30最好可包含通過形成在釘匣50之一下表面中及長槽道20之一向上表面中之一擊發傳動槽孔(圖中未示)的中間銷36,藉此如下文所述驅動其內之肘釘70。中間銷36藉由抵住長槽道20滑動而有利地抗拒終端作用器12於其遠端被掐住關閉的任何傾向。然本發明各實施例之獨特新穎觀點亦可經由其他刀具總成配置的使用實現。
回到圖2,一位在刀具總成30上介於上部銷32與中間銷36之間位於遠側的切割刃38橫越釘匣50中之一位於近側的鉛直槽孔54以切斷夾住的組織。刀具總成30相關於長槽道20及砧40的確實定位確保執行有效切割。在各實施例中,砧40之下表面可在其內具備複數個肘釘成形穴(圖中未示),這些肘釘成形穴被排列成在釘匣50收納於長槽道內時對應於釘匣50之一上表面56中之複數個釘孔58。在各實施例中,釘匣50可扣接配合於長槽道20內。特定言之,釘匣50之加長特徵部60、62分別與長槽道20之凹處24、26摩擦地且可釋地接合。
亦如圖2所示,釘匣50包括一匣主體51、一楔形滑橇64、肘釘傳動器66、肘釘70、及一匣托板68。在組裝時,匣托板68將楔形滑橇64、肘釘傳動器66及肘釘70固持在匣主體51內側。長槽道20藉由長軸桿總成100耦接於把手總成300,該長軸桿總成包含一遠側脊或骨架段110及一近側脊或骨架段130。長槽道20具有安置在近側的附著穴22,每一附著穴接收一個形成於遠側脊段110之遠端上的對應槽道錨定構件114。長槽道20亦具有可樞轉地接收砧40上一對應砧樞軸43的砧凸輪槽孔28。一閉合套筒總成170套在脊總成102上且包含遠側閉合管區段180及近側閉合管區段190。如下文所將說明,閉合套筒總成170相對於脊總成102之軸向移動會導致砧40相對於長槽道20樞轉。
如圖2所示,一鎖簧112安裝在遠側脊段110中當作刀具總成30之一閉鎖器件。遠側和近側方形孔111、113形成於遠側脊段110之頂上以在其間界定一接收鎖簧112之一上臂116的夾桿115,該鎖簧之朝遠側延伸的下臂118在一氣缸總成501之一遠端上施加一向下力以支承從刀具總成30突出的活塞桿部分35,詳見下文。應理解到各實施例可包含其他類型的閉鎖器件或完全沒有閉鎖器件。
在圖1-6所示實施例中,終端作用器12可藉由經彎曲拉動終端作用器12繞一樞軸104轉動之纜索或帶的組合相對於近側閉合管區段190(及把手總成300)進行活節運動。熟習此技藝者會理解到此種配置僅為可搭配這些類型之裝置使用的許多活節配置其中一者。在此實施例中,遠側脊段110之近端於其上有一轂122。近側脊段130之遠端具備一有一通孔136的柄腳134。近側脊段130相對於遠側脊段110定位致使孔136與轂122之一孔124同軸對準以讓一樞軸銷138能夠穿過。參見圖4。此種配置在組裝時許可終端作用器12相對於近側脊段130以樞軸線A-A為中心樞轉。
如前所述,此實施例利用帶使終端作用器12進行活節運動。特定言之,帶150、160可如圖2和3所示往遠側朝活節樞軸104延伸。帶150可沿近側閉合管區段190左側穿過該近側閉合管區段,在此繞過帶構件160並橫跨至近側閉合管區段之右側。其中,帶150舉例來說可在連接點123機械地耦接於轂122。同樣的,帶160可沿近側閉合管區段190右側穿過該近側閉合管區段,在此繞過帶構件150並橫跨至近側閉合管區段190之左側。其中,帶160可在連接點125機械地耦接於轂122。
圖3是終端作用器及脊總成102之一俯視圖,其中以虛線示出閉合管總成100。圖4是器具10之相同部分的局部側剖面圖。如圖4所示,依據一非限制性實施例,帶150和160被示為彼此偏離以防在移動中彼此干擾。舉例來說,帶150被示在一低於帶160的位置。在另一非限制性實施例中,帶150和160之鉛直向定位可為顛倒。亦如圖2和3所示,帶構件150繞近側骨架段130之柄腳部分134中的一銷140延伸。同樣的,帶160繞近側骨架段130之柄腳部分134中的銷142延伸。亦參見圖2。
帶部分150和160可從轂122伸出沿著近側閉合管區段190延伸到圖5所示活節控制器200。活節控制器200可包含一活節滑件202、一框架204及一封閉件206。帶部分150、160可經由槽孔208或其他孔通過活節滑件202,但應理解到帶部分150、160可藉由任何適當器件耦接於滑件202。活節滑件202可如圖5所示為一件式,或者在一非限制性實施例中可包含二部件,於此二部件之間有一界定槽孔208的交界處。在一非限制性實施例中,活節滑件202可包含多個槽孔,例如以每一槽孔對應於帶部分150、160之一者。封閉件206可覆蓋控制器200之各組件以防碎屑進入。
在各實施例中,帶部分150、160可在較槽孔208靠近近側的連接點210、212錨定於框架204。圖5之非限制性實例顯示帶部分150、160從連接點210、212到位在近側閉合管區段190之縱向軸線附近的槽孔208經預先彎曲。應理解到帶部分150、160可被錨定至器具10中任何較槽孔208靠近近側之處、包括把手總成300。
在使用中,圖2之實施例可具有如圖3所示之一未活節運動位置。活節控制器200及帶150、160被示為在一大約位於軸桿總成100之縱向軸線的置中位置。因此,終端作用器12係處於一中立或未活節運動位置。在圖6中,活節控制器200被示為活節滑件202被推穿過活節框架到軸桿總成100之右側。因此,帶150、160朝軸桿總成100之右側彎曲。從圖中可見帶150向右彎曲會在轂122上施加一偏離轂122之樞軸點的側向力。此偏離力量導致轂122以活節樞軸104為中心轉動,從而導致終端作用器12如圖所示向右樞轉。應理解到將活節滑件202往軸桿總成100之左側推動可在帶150、160上施加一側向力,使帶150、160二者均朝軸桿總成100之左側彎曲。然後帶160之彎曲在轂122上施加一側向力,此側向力如前所述偏離轂122之樞軸點。此隨後導致轂122以活節樞軸為中心轉動,導致終端作用器12向左樞轉。
在各實施例中,軸桿總成100係由一閉合管總成170套在脊總成102上構成。參見圖2。閉合管總成170包括一遠側閉合管區段180和一近側閉合管區段190。遠側閉合管區段180和近側閉合管區段190可由一聚合物或其他適當材料製成。近側閉合管區段190為中空且有一穿透延伸的軸向通道191,該軸向通道經訂定大小以在其內接收脊總成102之一部分。
在圖2和4所示實施例中,使用一雙樞軸閉合接頭172。應理解到本發明並不侷限於雙樞軸閉合接頭設計,且可包含任何適當的閉合管或套筒,或是完全沒有閉合管或套筒。特別參照圖4,遠側閉合管區段180具有上部和下部往近側突出的柄腳182、184。遠側閉合管區段180更包含一用以接合砧40上之砧開/關舌片46致使砧40在開啟位置與關閉位置之間樞轉的馬蹄形孔185和舌片186,詳見下文。參見圖2。
近側閉合管區段190類似地具備一往遠側延伸的上柄腳192和一往遠側延伸的下柄腳194。一上部雙樞軸連桿174包含往上突出的遠側和近側樞軸銷175、176,該等樞軸銷分別接合於一往近側突出之上柄腳182中的上部遠側插銷孔183及一往遠側突出之上柄腳192中的上部近側插銷孔193。接頭配置更包含一下部雙樞軸連桿177,該連桿具有往下突出的遠側和近側樞軸銷178、179(圖2未示,但見於圖4),該等樞軸銷分別接合於一往近側突出之下柄腳184中的下部遠側插銷孔187及一往遠側突出之下柄腳194中的下部近側插銷孔195。
在使用中,閉合管總成170例如回應閉合扳機310之作動往遠側平移以關閉砧40。砧40因閉合管總成170在脊總成102上往遠側平移導致馬蹄形孔185之背部撞擊砧40上之開/關舌片46並導致砧40樞轉至關閉位置而關閉。要開啟砧40時,使閉合管總成170在脊總成102上依近側方向軸向地移動導致舌片186接觸並推抵開/關舌片46以使砧40樞轉至開啟位置。
圖7例示本發明各實施例之一非限制性把手總成300之一分解組裝圖。在圖7所示實施例中,把手總成具有一〝手槍握把〞型組態且由一右邊機殼構件320和一左邊機殼構件330構成,該等機殼構件係由一聚合物或其他適當材料模製或其他方式製造且經設計匹配在一起。機殼構件320和330可藉由扣接特徵部、經模製或以其他方式形成於其中之短樁和承窩,且/或藉由黏著劑、螺釘、螺栓、夾子、及類似物附接在一起。右邊機殼構件320之上部部分322與左邊機殼構件330之一對應上部部分323配合以形成一標示為340的主殼體部分。相似地,右邊機殼構件320上之下部握把部分324與左邊機殼構件之下部握把部分344配合以形成一整體標示為342的握把部分。在圖7所示實施例中,整個握把部分342與主殼體部分340整合。此種配置可能特別適合加壓氣體源係永久性安裝在握把部分342內的應用。此種配置亦適合用於加壓氣體源係在把手總成300以外經由殼體總成上之一或多個埠口接通裝在把手總成內之控制組件。在其他實施例中,如下文所將詳述,握把部分342係可卸離主殼體部分340。隨著本發明的詳細說明逐漸進行,此種配置提供非常多的好處和優點。但熟習此技藝者會理解到把手總成300可以多種不同形狀和大小提供。
為求圖面簡潔,圖7僅例示用來控制最終控制砧40之開啟及關閉的閉合管總成170之軸向移動的組件。如圖所示,一藉由一連桿總成430耦接於閉合扳機302的閉合梭400被支承在主殼體部分340內。閉合梭400亦可被製作成由一聚合物或其他適當材料模製或其他方式製造且經設計匹配在一起的兩個部分402、404。舉例來說,在圖7所示實施例中,右邊部分402可具備經設計要收納在左邊部分404之對應承窩(圖中未示)內的緊固栓403。右邊和左邊部分402、404可藉由扣接構件及/或黏著劑及/或螺栓、螺釘、夾子、及類似物以其他方式固持在一起。如圖中所示,一止動溝196提供在近側閉合管區段190之近端中。閉合梭400之右邊部分402具有一右止動凸緣區段405,該右止動凸緣區段適於與閉合梭400左邊部分404上之一左止動凸緣區段(圖中未示)合作形成一伸入近側閉合管區段190之止動溝196內的止動凸緣總成。
亦如圖7所示,一右脊總成止動樁326從右邊機殼構件320往內伸。此樁326伸入閉合梭400之右邊部分402之一長形槽孔或窗406內。一相似閉合梭止動樁(圖中未示)從左邊機殼構件330往內伸且欲收納於閉合梭400之左邊部分404之另一窗或槽孔408中。此等止動樁用來在許可閉合梭400相對於把手總成300軸向移動的同時將近側脊段130之近端133(圖7未示)不可動地固定於把手總成300。止動樁舉例來說可藉由螺栓、螺釘、黏著劑、扣接特徵部、及類似物機械地附接於近側脊段130之近端。此外,閉合梭400具備側向延伸的導軌410、411。軌道410建構為可滑動地收納在右邊機殼構件320之軌道導件328內,且軌道411建構為可滑動地收納在左邊機殼構件330之一軌道導件(圖中未示)內。
閉合梭400及閉合管總成170在遠側方向(箭頭〝C〞)中之軸向移動係由閉合扳機302朝把手總成300之握把部分342移動產生,且閉合梭400在近側方向(箭頭〝D〞)中之軸向移動係由閉合扳機302移離握把部分342之移動產生。在各實施例中,閉合梭400具備一讓閉合連桿總成430與其附接的連接器舌片412。參見圖8和9。閉合連桿總成430包含一藉由一銷414可樞轉地銷接於連接器舌片412的軛部分432。閉合連桿總成430更有一閉合臂434,該閉合臂如圖7所示藉由一閉合銷436可樞轉地銷接於一形成在閉合扳機302上之軛總成304。閉合扳機302藉由一延伸於右邊機殼構件320與左邊機殼部分330之間的樞軸銷306可樞轉地安裝在把手總成300內。
當臨床醫師想要關閉砧40以將組織夾緊於終端作用器12內時,臨床醫師將扳機302拉往握把部分342。隨著臨床醫師將閉合扳機302拉往握把部分342,閉合連桿總成430依遠側〝C〞方向移動閉合梭400直到閉合連桿總成430移至圖8所示鎖定位置為止。當處於該位置時,連桿總成430會傾向於將閉合梭400保持在該鎖定位置。隨著閉合梭400移到鎖定位置,閉合管總成170在脊總成102上往遠側移動,導致砧40上之關閉/開啟舌片46被遠側閉合管區段180之馬蹄形孔185之近端碰觸從而將砧40樞轉至關閉(夾緊)位置。
在各實施例中,為更進一步將梭400保持在關閉位置,閉合扳機302可具備一適於接合握把部分342並將閉合扳機302可釋地保持在鎖定位置的可釋鎖定機構301。亦可能利用其他鎖定裝置將閉合梭400可釋地保持在鎖定位置。在圖8、8A、8B、及9所示實施例中,閉合扳機302包含一可撓縱向臂303,一側向銷305從該臂伸出。臂303和銷305舉例來說可由模製塑膠製成。把手總成300之手槍握把部分342包含一開口350,該開口於其內放有一側向延伸楔352。當閉合扳機302縮回時,銷305接合於楔352,且銷305被楔352之下表面354迫使其向下(亦即使臂303以順時針方向轉動)。當銷305完全通過下表面354時,臂303上之順時針方向力移除,且銷305以逆時針方向轉動致使銷305停在楔352背後之一凹口356中從而鎖定閉合扳機302。銷305因一從楔352伸出之可撓擋止358而被更進一步保持在鎖定位置。
要解鎖閉合扳機302時,操作者可更進一步擠壓閉合扳機302,導致銷305接合於開口350之一傾斜後壁359,迫使銷305向上通過可撓擋止358。然後銷305能自由離開開口360之一上部槽道致使閉合扳機302不再被鎖定於手槍握把部分342。此配置之更多細節可參見2006年1月31日申請之授證給Shelton,IV等人之發明名稱為〝Surgical Instrument Having A Removable Battery〞的美國專利申請案序號第11/344,020號中提及,該專利申請案之相關部分以引用的方式併入本文中。亦可採用其他可釋鎖定配置。
在本發明各實施例中,刀具總成30可有一自其伸出或以其他方式附接的大致剛性活塞桿部分35,該活塞桿部分係為傳動構件500之局部,其被遠側脊段110可操作地支承且經建構用以向刀具總成30施予至少二驅動運動(例如擊發運動及回縮運動)。在圖3、4、10、及11所示實施例中,傳動構件500包括一兩段式氣力作動氣缸總成501。刀具總成30可包括一元組件或者其可以多部件提供以利器具10組裝。舉例來說,如圖10和11所示,刀桿總成30包括一含有上部銷32、帽34、中間銷36、及刀38的遠側部分31。遠側部分31可於其中具備一經訂定大小用以接收活塞桿部分35遠端上之一突出部37的孔33。突出部37可藉由摩擦力收納在孔33內且/或藉由黏著劑、熔接或類似方式固持。
氣缸總成501包括一第一氣缸殼體510,該第一氣缸殼體具有一第一封閉近端512及一通入第一氣缸殼體510內之一第一軸向通道516內的第一開放遠端514。氣缸總成501亦包括一第二氣缸殼體520,該第二氣缸殼體具有一第二近端522及一通入一第二軸向通道526內的第二開放遠端524。第二封閉近端522有一第一活塞頭528形成於其上,該第一活塞頭經相對於第一軸向通道516訂定大小用以與第一氣缸殼體510之第一壁511產生一大致氣密滑動密封藉以在第一近端512之遠側與第一活塞頭528之近側之間界定一第一氣缸區515。第一氣缸殼體510之第一遠端514更有一形成於其上的向內延伸第一凸緣517,該第一凸緣用於與第二氣缸殼體520之外壁表面建立一大致氣密滑動密封藉以在第一凸緣517之近側與第一活塞頭528之遠側之間界定一第二氣缸區518。
一第一通道527穿透第一活塞頭528。如圖10和11所示,活塞桿35之近端穿過第二氣缸殼體520之第二開放遠端524伸入第二軸向通道526內。一第二活塞頭530形成於或以其他方式附接於活塞桿35之近端。第二活塞頭530經相對於第二軸向通道526訂定大小用以與第二氣缸殼體520之一第二壁521產生一大致氣密滑動密封藉以界定一第三氣缸區532。第二氣缸殼體520之第二遠端524更有一形成於其上的向內延伸第二凸緣525,該第二凸緣用於與活塞桿35建立一大致氣密滑動密封以在第二凸緣25之近側與第二活塞頭530之遠側之間界定一第四氣缸區534。
如圖3和4所示,氣缸總成501安裝在遠側脊段110內。在各實施例中,一對耳軸519提供在第一氣缸殼體510之近端上。耳軸519被收納在遠側脊段110之耳軸孔119內以使氣缸總成501能夠在遠側脊段110內以一樞軸線B-B為中心樞轉。參見圖3。一第一供氣線路或供氣導管540從把手總成300之一定向控制閥610(圖8和9)延伸穿過欲耦接於第一氣缸殼體510第一近端512之近側閉合管區段190藉以供給加壓氣體通過第一氣缸殼體510第一近端512之一第一供氣埠513或開口。參見圖10和11。此外,一第二供氣線路542從定向控制閥610延伸穿過近側閉合管區段190且在第一氣缸殼體510之遠端514附近連接至第一氣缸殼體510藉以經由一第二埠529將加壓氣體送入第二氣缸區518內。
參照圖8-11,今詳細說明擊發機構或刀具總成30之伸長及回縮。如圖8和9所示,供氣線路540和542耦接於一傳統定向閥610,該閥係為裝在把手殼體350內之一驅動器系統600的一部分。在各實施例中,定向閥610可能藉由一可透過把手殼體350可用之選擇開關612或按鈕以手動方式使其在前進(伸長)與倒轉(回縮)位置間切換。參見圖1。在圖8和9所示實施例中,使用一可移除加壓氣體源620。如下文所將詳述,此種加壓氣體源包括一可能可用一較佳加壓氣體再充氣的貯氣瓶622。但熟習此技藝者會理解到亦可有效地利用不可替換/再充氣的加壓氣體源(貯氣瓶)。在更其他實施例中,把手總成300可具備一用以從一外界加壓氣體源618供給加壓氣體的埠口616。舉例來說,器具10可透過一可撓供氣線路617耦接於設施中之壓縮空氣供應器618。參見圖8B。
以下將更詳細地說明可移除/可再充氣貯氣瓶622的獨特新穎觀點。但為了解釋活塞桿35及刀具總成30之伸長及回縮,由圖中可見加壓氣體從貯氣瓶622(或外界壓力源618)通過一供氣線路650流入一可能包括一傳統比例閥660之可變力驅動器。如圖9和55中特別顯示,比例閥660耦接於一附接至一啟動扳機670之供氣連桿662。在本說明書中,〝可變力驅動總成〞至少包括比例閥660和啟動扳機670及其相應等效結構。在各實施例中,啟動扳機670被支承在擊發扳機310附近,該擊發扳機藉由一在右邊機殼構件320與左邊機殼構件330之間延伸的樞軸銷370可樞轉地耦合於把手總成300。將啟動扳機670向內朝擊發扳機310擠壓會導致比例閥660加大加壓氣體從貯氣瓶622流入一耦接於定向閥610之供氣線路680內的流率。視定向閥610之位置而定,加壓氣體會流入供氣線路540或542內。舉例來說,當定向閥610被臨床醫師作動以擊發刀具總成30時,加壓氣體在啟動扳機670作動後被允許流過供氣線路540經由第一活塞頭528中之第一開口527流入第一氣缸區515內且流入第三氣缸區532內。隨著加壓氣體進入第三氣缸區532,第二活塞頭530向活塞桿35朝遠側施力。位於第四氣缸區內的氣體透過第二氣缸殼體520之排氣口523排放。相似地,第二氣缸區518中容納之氣體被許可透過第二開口529排入第二供氣線路542內。第二供氣線路542將排放氣體送到定向閥610,最終從該定向閥排出。加壓氣體持續施加於第一氣缸區515和第三氣缸區532會導致刀具總成30完全延伸穿過終端作用器12。隨著刀具總成30通過終端作用器12,其切斷該終端作用器中夾緊的組織且擊發釘匣50內之肘釘70(驅使肘釘與砧40之下表面發生成形接觸)。一旦刀具總成30已推進至其在終端作用器12內之最遠側位置,臨床醫師放開啟動扳機670以中斷加壓氣體之施加。
要縮回擊發機構或刀具總成30時,臨床醫師手動地移動選擇開關612或適當按鈕將定向閥610調整成回縮位置並開始擠壓啟動扳機670,導致加壓氣體流入第二供氣線路542內。流過第二供氣線路542的氣體進入第二氣缸區518,導致第二氣缸殼體520往近側縮入第一氣缸殼體510內。第一氣缸區515內之氣體被允許經由第一供氣口513排入第一供氣線路540內。通過第一供氣線路540的氣體進入定向閥610並由此排出。一旦進入第二氣缸區518之加壓氣體已導致第二氣缸殼體520如圖10所示縮入第一氣缸殼體510內,通過第二開口529的氣體此時能夠通過第一氣缸殼體510之排氣口523並流入第四氣缸區534內。隨著加壓氣體進入第四氣缸區534,第二活塞頭530將活塞桿35往近側拉入第二氣缸殼體520內。第三氣缸區532內之氣體通過第一開口527進入第一氣缸區515內,從該第一氣缸區內依前述方式排出。
本發明各實施例中呈比例閥660形式的可變力驅動器可利用彈簧或其他偏動器件(圖中未示)以將比例閥660偏動至一未作動位置。當處於未作動位置時,比例閥660可為建構成阻止任何氣體從氣體源620或618流過閥660內之一孔口(圖中未示)。因此,當驅動器扳機670處於未作動位置時,裝置本質上處於〝關〞的狀態。
在前述實施例中,比例閥660可為藉由供氣連桿臂662機械地耦接於啟動扳機670,致使當臨床醫師向內朝擊發扳機310擠壓啟動扳機670時,連桿臂662導致比例閥660許可氣體流率加大通過閥660。因此,快速擠壓啟動扳機670可能導致裝置之擊發速率提高,且放慢擠壓啟動扳機670之速率會減緩擊發速率。因此,被允許通過比例閥660之氣體流量與施加於啟動扳機670之手動力量大致成比例。
在其他實施例中,比例閥660可經電子式控制致使在啟動扳機作動後,比例閥660自其數位化噴放氣體。比例閥660以一脈衝方式放出少量氣體,且啟動扳機670被越大力擠壓,脈衝間隔越近。此配置用於選擇性地調節被用來作動裝置的氣體體積。
又,在更其他實施例中,驅動機構可包括一不同類型的機構,其不像啟動扳機670相對於把手總成受到可樞轉地支承。舉例來說,啟動扳機可包括一彈簧驅動滑移開關或類似物。因此,提供給本發明這些實施例的保護不應僅限在使用一樞轉驅動扳機之實施例。
又,在各實施例中,一壓力計541可如圖8和8A所示流體耦合於供氣線路540。一窗543可穿過把手總成300之一對應部分提供以讓臨床醫師能夠觀看壓力計541,或者可使用其他配置以讓臨床醫師在使用期間觀看壓力計541。參見圖7。在各實施例中,壓力計541可包括一電子式壓力計或一標度盤式壓力計。在這些非限制性實施例中,壓力計541提供一用以提供在擊發行程遭遇之力之回饋的器件。熟習此技藝者會理解到在某些非限制性實施例中,作動擊發機構所需要的力直接與氣缸總成501內之壓力成比例。若這些力為小,則氣缸總成501不需要大壓力就能作動。另一方面,如果作動氣缸總成501所需要的力為大,則會必須將更多氣體釋入氣缸總成501內提高其中壓力藉以完全作動擊發機構。壓力計541用於向臨床醫師提供終端作用器正在遭受之力量的成比例讀數。
在其他實施例中,一聲音出口545可如圖8C所示提供在供氣線路540中。此聲音出口許可少量氣體從供氣線路540釋出。因氣體排出而造成之後續哨音音階會隨著壓力加大而上揚。然後臨床醫師可建立哨音音階與擊發機構所經受之力的關聯。故此配置為臨床醫師提供一用以監測傳動系統500所經受及最終擊發機構所經受之擊發力的聲音回饋。
各非限制性實施例亦可具備用以在擊發機構已抵達擊發行程之末端時自動通知臨床醫師的器件。舉例來說,如圖4所示,一限制開關546可提供在遠側脊段110內用以偵測一如圖11所示埋入或經其他方式附接於擊發桿35之啟動構件547。啟動構件547經定位致使當擊發桿35和擊發機構抵達擊發行程之末端時,啟動構件547被限制開關546偵測到,該限制開關可電耦合於定向控制閥610以對該閥傳送一適當信號。在收到此信號之後,定向控制閥610可建構為自動地切換至回縮位置且許可擊發機構被縮回。此外,限制開關546可耦接於一在圖8中整體標示為549之指示構件。在各實施例中,指示構件可向臨床醫師提供一聲音信號、一視覺信號或是聲音和視覺信號之一組合,指出擊發機構已抵達擊發行程之末端。舉例來說,指示構件可包括一聲音產生裝置、發光二極體、振動產生裝置、及類似物、或此等裝置之一組合。限制開關及相關控制組件可由一被支承在殼體總成300內之電池(圖中未示)供電,或者其可得到來自一外界電源之電力供應。因此,本發明各非限制性實施例可具備一用以向臨床醫師提供一視覺及/或聲音信號指出擊發機構已抵達擊發行程之末端的器件及/或一用以將擊發機構以氣力自動縮回至未作動位置的器件。
如圖4、10及11所示,一鎖定突出部39可形成於活塞桿35之底部上。當刀具總成30如圖4所示處於完全縮回位置,鎖簧112之臂118對氣缸總成501之遠端施加一偏動力。由於氣缸總成501藉由耳軸519可樞轉地安裝在遠側脊段110內,氣缸總成501之遠端在遠側脊段110內向下樞轉且更進一步導致活塞桿35上之鎖定突出部39掉入長槽道20之一鎖定開口21內。此配置用來藉由鎖定突出部39與其中界定鎖定開口之長槽道20部分的摩擦接合使刀具總成30鎖定在回縮位置。如圖10和11所示,鎖定突出部39具有一近側斜面39’和一遠側斜面39”以讓鎖定突出部易於進入及離開長槽道20中之鎖定開口。熟習此技藝者會理解到可成功運用其他刀桿鎖定配置而不脫離本發明之精神及範圍。
圖12-16A例示本發明之另一實施例,其中傳動構件500包括一氣缸總成800,該氣缸總成之構造與前述氣缸總成501相似,差異之處在下文說明。舉例來說,在本實施例中,利用彈簧850、852縮回活塞桿35。如圖12和13所示,氣缸總成800包含一第一殼體810,該第一殼體具有一第一封閉端812及一穿透的第一供氣埠813。一第一供氣線路840附接於第一封閉端812以供應加壓氣體通過第一供氣埠813。在此實施例中,第一氣缸殼體810沒有關於前述各實施例提及之第二開口529。一第二氣缸殼體820可滑動地收納在第一氣缸殼體810內且有一第二封閉近端822,一第一活塞頭828形成於該第二封閉近端上。一第一氣缸區815界定於第一封閉端812與第一活塞頭828之間。一第一回縮彈簧850提供在第一活塞頭828與一形成於第一氣缸殼體810遠端上之第一凸緣817之間。第一回縮彈簧850用來如圖12所示將第二氣缸殼體820偏動至第一氣缸810中之回縮位置。活塞桿35具有一經訂定大小用以進入第二氣缸殼體820之第二遠端824的階梯狀端35’。一第二凸緣825形成於第二遠端824上以與活塞桿35之階梯狀部分35’產生一大致側面密封。一第二活塞頭830提供在階梯狀活塞桿區段35’之近端上以在第二活塞頭830與第一活塞頭828之間界定一第三氣缸區832。一第一開口827穿透第一活塞頭828以讓空氣能在第一氣缸區815與第三氣缸區832之間通行。一第二回縮彈簧852如圖12所示提供在第二凸緣825與第二活塞頭830之間以將第二活塞頭830和階梯狀活塞桿35’如圖12所示偏動至第二氣缸殼體820內之完全縮回位置。
本發明此實施例可依下述方式操作。如圖16所示,把手總成300如前所述具備一可替換加壓氣體源620。但熟習此技藝者會理解到亦可有效地運用不可替換的加壓氣體源(貯氣瓶)。在更其他實施例中,把手總成300可具備一利於讓定向控制閥610及相關組件附接於一外界加壓氣體源618的埠口616。參見圖16A。舉例來說,器具10可透過一可撓供氣線路617耦接於設施中之壓縮空氣線路。
要操作此器具時,臨床醫師將定向控制閥選擇開關612(圖1)或按鈕移到前進(伸長)位置且開始擠壓啟動扳機670,許可加壓氣體從貯氣瓶622(或外界氣源618)通過供氣線路680通過定向控制閥610流入供氣線路840內。加壓氣體從第一供氣線路840通過第一供氣埠813流入第一氣缸區815,通過第一開口827流入第三氣缸區832。進入第三氣缸區832的氣體導致第二活塞頭830及活塞桿35之階梯狀部分35’往遠側移動。在第二活塞頭830已移到一完全伸長位置(圖13)後,持續進入第一氣缸區815的氣體將第二殼體820偏動至其完全伸長位置。一旦刀具總成30已推進至其在終端作用器12內之最遠側位置,臨床醫師放開啟動扳機670以中斷加壓氣體之施加。
要縮回擊發機構或刀具總成30時,臨床醫師將定向閥選擇開關612移到倒轉(回縮)位置,其中第一供氣線路840被連接到定向閥610之一排氣口。第三氣缸區832及第一氣缸區815內之氣體被允許經由第一供氣線路813排入供氣線路840內且最終透過定向閥610排出。隨著氣體離開第三氣缸區832,第二回縮彈簧852使活塞桿35之階梯狀部分35’縮入第二氣缸殼體820內。同樣的,隨著氣體離開第一氣缸區815,第一回縮彈簧850使第二氣缸殼體520縮入第一氣缸殼體810內。
同樣在此實施例中,一壓力計541可如圖16和16A所示流體耦合於供氣線路840,該壓力計可如前文所述發揮作用且用來向臨床醫師提供終端作用器正在遭受之力量的成比例讀數。在其他實施例中,一聲音出口545可如圖16B所示提供在供氣線路840中,該聲音出口可如前文所述作用且用來向臨床醫師提供一用以監測傳動系統500所經受及最終擊發機構所經受之擊發力的聲音回饋機構。在其他替代實施例中,可將一限制開關546(圖15)提供在遠側脊段110內用以偵測一埋入擊發桿35內之啟動構件547(圖12和13),藉此自動地控制定向開關610且/或提供指出擊發機構已抵達擊發行程末端的視覺及/或聲音信號。
圖17-21A例示本發明之更另一實施例,其中傳動構件500包括一波紋管總成900。波紋管總成900可有一附接於刀桿總成30之遠側部分31的遠端902。遠端902有一突出部904形成於其上,該突出部經訂定大小用以收納在部分31之一孔33中。突出部904可為藉由摩擦力收納在孔33內且/或藉由黏著劑、熔接或類似方式固持。遠側部分31可如前文所述建構。
波紋管總成900更包含一可擴張/縮回波紋管部分910,此部分經訂定大小用以在如圖18所示之遠側脊段中一波紋管通道117內伸長及縮回。波紋管部分910可如圖20所示用金屬絲約束環912形成且附接於一基座部分914,該基座部分不可動地附接於遠側脊段110或包括遠側脊段110之一體部分。基座914可藉由黏著劑、螺釘或類似物附接於遠側脊段110。一供氣埠916穿過波紋管基座914且一供氣線路940附接於供氣埠916。供氣線路940亦耦接於把手總成300中之定向控制閥610。參見圖21、21A。定向控制閥610亦透過一真空線路922與一安裝在把手總成300中之真空埠920連通。真空埠920舉例來說可藉由一可撓線路632附接於一真空源630。該真空源可為設施中之一永久真空供應線路。一可撓真空線路632可從埠920連接到真空源630以讓臨床醫師能夠自由操縱該器具。
此器具可具備前文所述閉合管總成170及閉合扳機310配置。因此,組織可依前文所述方式被夾緊在終端作用器12中。在組織已被夾緊於終端作用器12內後,臨床醫師可如下所述擊發該器具。臨床醫師將用於定向控制閥610之選擇開關612(圖1)或按鈕移到前進(伸長)位置且開始擠壓啟動扳機670。隨著啟動扳機670被擠壓,比例閥660許可加壓氣體從壓力源620(圖21)或618(圖21A)流到定向控制閥610。定向控制閥610許可加壓氣體通過供氣線路940流入波紋管910導致該波紋管往遠側延伸。隨著波紋管910往遠側延伸,其驅使刀具總成30通過終端作用器12切斷終端作用器夾住的組織,且驅使釘匣50內之肘釘70與砧40之底部表面發生成形接觸。在刀具總成30已被帶動到其在終端作用器12中之最遠側位置後,臨床醫師放開啟動扳機670。要縮回刀具總成30時,臨床醫師將用於定向控制閥610之選擇開關612移到回縮位置藉以許可真空源630耦接於供氣線路940。真空施加於供氣線路940會導致波紋管910縮回圖18所示其回縮位置。在波紋管910已完全縮回後,臨床醫師可將選擇開關612或按鈕移到一使定向控制閥停止向供氣線路940施加真空的位置。但供氣線路940內之殘餘真空可用來將波紋管910保持在回縮位置。
在圖21所示實施例中,使用一可移除的加壓氣體源620。如下文所將詳述,此加壓氣體源包括一可能是可再充氣的貯氣瓶622。然熟習此技藝者會理解到亦可有效地運用不可替換/可再充填加壓氣體或加壓流體源(貯氣瓶)。在其他實施例中,把手總成300可具備一用於向一外界加壓氣體源供應加壓氣體的埠口616。舉例來說,器具10可透過一可撓供氣線路617耦接於設施之壓縮空氣線路。參見圖21A。
同樣在此實施例中,一壓力計541可如圖21和21A所示流體耦合於供氣線路940,該壓力計可如前文所述發揮作用且用來向臨床醫師提供終端作用器正在遭受之力量的成比例讀數。在其他實施例中,一聲音出口545可如圖21B所示提供在供氣線路940中,該聲音出口可如前文所述作用且用來向臨床醫師提供一用以監測傳動系統500所經受及最終擊發機構所經受之擊發力的聲音回饋機構。在其他替代實施例中,可將一限制開關546(圖18)提供在遠側脊段110內用以偵測一波紋管總成900上之啟動構件912’(圖20),藉此自動地控制定向開關610且/或提供指出擊發機構或刀具總成30已抵達擊發行程末端的視覺及/或聲音信號。
圖22-27例示一使用前述實施例之許多獨特新穎特質的無活節拋棄式終端作用器12。如圖23所示,此實施例可採用終端作用器12及前文詳述之任何傳動構件500。但在本實施例中,終端作用器12可為拋棄式且附接於一遠側軸桿總成1010,該遠側軸桿總成可藉由一整體標示為1000之獨特新穎快拆式接頭可卸地耦接於一近側軸桿總成1020。一旦終端作用器12已被使用,終端作用器12及其所附接之遠側軸桿總成1010可卸離近側軸桿總成1020且必要時可丟棄。然後可將一連同自有遠側軸桿總成1010及氣缸配置合為一套的新無菌終端作用器12附接於近側軸桿總成1020以完成另一外科程序。如下文所將詳述,遠側軸桿總成1010包含一遠側脊段1110及一遠側閉合管區段1180。近側軸桿總成1020包含一近側脊段1150、一近側閉合管區段1190及一釋放套筒1200。
遠側脊段1110與近側脊段1150合作形成一脊總成1030。在此實施例中,遠側脊段1110可與前文所述遠側脊段110大致相同,差別在於各自的近端不同。同樣的,近側脊段1150可與前文所述近側脊段130大致相同,差別在於其遠端不同以讓遠側脊段1110和近側脊段1150能夠非樞轉地耦合在一起。又,在此實施例中,遠側閉合管區段1180可與前文所述遠側閉合管區段180大致相同,差別在於其近端不同。同樣的,近側閉合管區段1190可與前文所述近側閉合管區段190大致相同,差別在於其遠端不同以讓遠側閉合管區段1180和近側閉合管區段1190非樞轉地彼此附接。
如圖23所示,一鎖簧112安裝在遠側脊段1110內當作活塞桿35之閉鎖器件。遠側和近側方形孔1111、1113形成於遠側脊段1110之頂上以於其間界定一接收鎖簧112之一上臂116的夾桿1115,該鎖簧之往遠側延伸的下臂118如前所述在氣缸總成之一遠端上施加一向下力。應理解到各實施例可包含其他類型之閉鎖器件或完全沒有閉鎖器件。
遠側脊段1110之近端1114有一遠側連接器部分1116形成於其上。參見圖24和27。如圖24所示,遠側連接器部分1116具有一耦接於第一供氣線路區段540’的第一遠側供氣埠1117。一第二遠側供氣埠1120提供於遠側連接器部分1116中且耦接於一第二供氣線路區段542’。如圖23所示,第一供氣線路區段540’耦接於第一氣缸殼體510中之第一供氣埠513且第二供氣線路區段542’耦接於第一殼體510遠端中之第二供氣埠529。一第一供氣噴嘴部分1118如圖所示從第一遠側供氣埠1117依近側方向突出。一第二供氣噴嘴部分1122從第二供氣埠1120依近側方向往外突出。
相似地,近側脊段1150之遠端1152具有一第二連接器部分1154,該第二連接器部分有一耦接於另一第一供氣線路區段540”的第一近側供氣埠1156。第二連接器部分1154更在其中有一耦接於另一第二供氣線路區段542”的第二近側供氣埠1160。第一近側供氣埠1156經建構用以在其內可移除地接收第一供氣噴嘴1118(圖27),且第二近側供氣埠1160經訂定大小用以在其內可移除地接收第二供氣噴嘴1122。如圖24和27所示,一第一O環封1158與第一近側供氣埠1156結合以在第一噴嘴1118插入第一近側供氣埠1156內時在第一供氣線路區段540’與另一第一供氣線路區段540”之間形成一大致氣密(或液密)密封。當依該方式耦接在一起時,第一供氣線路區段540’和540”接合形成一第一供氣線路540。同樣的,一第二O環封1162與第二近側供氣埠1160結合以在第二供氣噴嘴1122插入第二近側供氣埠1160內時在第二供氣線路區段542’與另一第二供氣線路區段542”之間形成另一大致氣密(或液密)密封。當依該方式耦接在一起時,第二供氣線路區段542’和542”形成一第二供氣線路542。熟習此技藝者會理解到可利用其他可卸式耦合配置、快拆配置使第一供氣線路區段540’與另一第一供氣線路區段540”可移除地連接及使第二供氣線路區段542’與另一第二供氣線路區段542”可移除地連接而不脫離本發明之精神及範圍。
遠側連接器部分1116及近側連接器部分1154可經建構使得其僅可以一種取向耦接在一起。舉例來說,如圖24所示,遠側連接器部分1116可具備一適於與近側連接器部分1154之一凹口部分1155配合的另一凹口部分1119藉以確保安裝期間第一噴嘴1118接合於第一近側供氣埠1156且第二噴嘴1122接合於第二近側供氣埠1160。此種獨特新穎的附著配置防止第一噴嘴1118意外附接於第二近側供氣埠1160及第二噴嘴1122意外附接於第一近側供氣埠1156。可利用其他鍵類組態確保遠側連接器部分1116與近側連接器部分1154以正確取向耦接。
亦如圖24和27所示,近側脊段1150之遠端1152具有一往遠側突出的中空套筒部分1170。此中空套筒部分1170經訂定大小用以在其內接收遠側脊段1110之近端1114。為將遠側脊段1110可釋地鎖定於近側脊段1150,一對相對的掣止構件1124形成於遠側脊段1110之近端1114上。掣止1124被定位在經切割或其他方式形成於遠側脊段1110中之可撓舌片1126上,致使當遠側脊段1110之近端1114插入近側脊段1150之中空套筒部分1170且第一噴嘴1118與第一近側供氣埠1156密封耦合且第二噴嘴1122與第二近側供氣埠1160密封耦合時,掣止構件1124被收納在中空套筒部分1170之對應開口1172內。參見圖24和27。
以下參照圖24-27說明遠側閉合管區段1180對近側閉合管區段1190之可釋附著。如這些圖式所示,遠側閉合管區段1180之近端1182有至少二個插接型鎖定舌片1184自其以一近側方向突出。每一鎖定舌片1184有一錐狀鎖定楔1186形成於其上,該楔經訂定大小用以收納於近側閉合管區段1190之對應鎖定開口1194中。當處於圖26和27所示位置時,遠側脊段1110被鎖定至近側脊段1150以形成脊總成1030,且遠側閉合管區段1180被鎖定至近側閉合管區段1190以形成閉合管總成1178。此配置許可閉合管總成1178在脊總成1030上依前文所述各種方式往近側及往遠側移動以開啟及關閉終端作用器12上之砧40。
要將遠側軸桿總成1010附接於近側軸桿總成1020時,使用者如圖24所示將遠側軸桿總成1010之近端1012對準近側軸桿總成1020之遠端1022然後將遠端1012插入近端1022內。當掣止1124被收納到鎖定開口1172內且鎖定楔1186被收納到開口1194內時,遠側軸桿總成1010被鎖定至近側軸桿總成1020。砧40可因依前文所述方式抓住閉合扳機310將該閉合扳機樞轉至把手總成300之握把部分342致使閉合管總成1178往遠側移動而被關閉。刀桿30可因依前文所述方式作動啟動扳機670而被帶動。
為使遠側軸桿總成1010易於卸離近側軸桿總成1020,多個實施例採用一釋放套筒配置。在這些實施例中,一釋放套筒區段1200可滑動地套在近側脊段1150上介於近側脊段1150與近側閉合管區段1190之間。在各實施例中,釋放套筒1200之近端可具備一釋放鈕1204,該釋放鈕穿過近側閉合管區段1190之近端1195中之一對應槽孔1196。參見圖22和31。此配置許可釋放套筒1200在近側脊段1150上軸向地往遠側及近側移動而不妨礙近側閉合管區段1190在脊總成1030上的軸向行進。
如圖27最明顯示出,釋放套筒1200之遠端1202往內斜切且經定向致使其鄰近近側閉合管區段1190中之二個閉合管鎖定開口1194。要使遠側軸桿總成1010釋離近側軸桿總成1020時,使用者使釋放鈕在槽孔1196內往遠側移動藉以使釋放套筒1200往遠側移動。隨著釋放套筒1200之斜切遠端1204接觸到鎖定楔1186,鎖定楔1186往內移動脫離其與近側閉合管區段1190中之鎖定開口1194的接合。釋放套筒1200依遠側方向的更進一步移動會導致釋放套筒1200之一第二斜切內緣1206接觸到鎖定掣止1124並使該等鎖定掣止往內偏動脫離其與近側脊段1150中之開口1172的接合,從而讓遠側軸桿總成1010能夠卸離近側脊總成1020。
圖22-28所示實施例可有效地搭配前文所述氣缸總成501使用。圖29和30所示實施例可有效地搭配前文所述氣缸總成800或波紋管總成900使用。如圖29和30所示,遠側連接器部分1116僅有一埠口1300形成於其中耦接至供氣線路區段940’。一第一供氣噴嘴1302如圖所示從第一遠側供氣埠1300以近側方向突出。同樣的,連接器部分1154僅有一耦接於另一第一供氣線路區段940”的近側供氣埠1306。近側供氣埠1306經建構用以在其內可移除地收納第一供氣噴嘴1302。如圖29和30所示,一O環封1308與近側供氣埠1306結合以在供氣噴嘴1302插入近側供氣埠1306內時在第一供氣線路區段940’與另一第一供氣線路區段940”之間形成一大致氣密(或液密)密封。當依該方式耦接在一起時,第一供氣線路區段940’和940”接合形成一第一供氣線路940。然後供氣線路940可依前文所述方向向氣缸總成800或波紋管總成900供給加壓氣體。
圖32例示一替代可活節運動的外科切割及釘合器具2000,其有一可搭配前文所述終端作用器12及閉合管總成170使用的氣動活節接頭總成2002。此實施例亦可使用前文所述氣缸總成501。如圖33-35所示,接頭總成2002包含一脊總成2004,該脊總成包括一遠側脊段2010,有一樞軸構件2014從該遠側脊段之近端2012突出。樞軸構件2014有一驅動器片2016自其突出。如圖35所示,氣缸總成501在耳軸519上可樞轉地安裝於遠側脊段2010內。
樞軸構件2014被可樞轉地收納在一形成於近側脊段2030遠端2032上的樞軸承窩2034內。樞軸構件2014能自由地以樞軸線E-E為中心相對於近側脊構件2030樞轉。參見圖36。如圖35所示,近側脊段2030之遠端2032有一溝2036形成於其中用以容納第一供氣線路540之一部分。相似地,一第二溝2038提供在近側脊段2030之遠端2032中用以容納第二供氣線路542。供氣線路540、542繞過樞軸承窩2034進入遠側脊段2010之近端2012,其中其以前文所述各種方式附接於氣缸總成501。熟習此技藝者會理解到可在中空近側脊段2030內提供供氣線路540和542之足夠鬆弛量以讓遠側脊段2010能夠相對於近側脊段2030以樞軸線E-E為中心自由樞轉。藉由使供氣線路540、542分別支承於溝2036、2038中,這些供氣線路不會干擾到閉合管總成170相對於脊總成2004之軸向移動。
亦如圖35所示,一第一鉛直供氣通道2040經提供與樞軸承窩2034連通。相似地,一第二鉛直供氣通道2050亦如圖35所示經提供與樞軸承窩2034連通。一從安裝在把手總成300內之一開關總成2100伸出的第三供氣線路2042與第一鉛直供氣通道2040連通,且一從開關總成2100伸出的第四供氣線路2052與第二鉛直通道2050連通。要組裝接頭總成2002時,將樞軸構件2014插入樞軸承窩2034內且將一蓋2060如圖所示用螺釘2062或其他適當繫結件附接於近側脊段2030。因此,從第三供氣線路2042進入第一鉛直供氣通道2040的加壓氣體會導致遠側脊段2010以樞軸線E-E為中心依〝F〞方向樞轉,且從第四供氣線路2052進入第二鉛直供氣埠2050的加壓氣體會導致遠側脊段2010相對於近側脊段2030以樞軸線E-E為中心依〝G〞方向樞轉。參見圖34。
參照圖37-45,以下說明各實施例之開關總成2100的構造和操作。在各非限制性實施例中,開關總成2100包括一內有一供氣埠2112的開關塊2110。供氣埠2112耦接於一供氣線路651用以從加壓氣體源620(圖44)或618(圖45)接收加壓氣體。特定言之,一供氣線路651可從供氣線路650延伸至埠口2112。一開關腔2114提供於開關塊2110中且經訂定大小用以在其內可樞轉地接收一選擇器構件總成2130之一主體部分2150。一樞軸桿2151突出主體部分2150之底部外被可樞轉地安裝在開關塊2110之樞軸孔2111中。參見圖39。此配置許可選擇器構件總成2130以開關軸線H-H為中心選擇性地轉動。參見圖38。一對O環封2152、2154或其他適當密封構件可如圖38和39所示提供藉以在選擇器構件總成2130之主體部分2150與開關塊2110之間建立一大致氣密密封。一短桿2156從主體部分2150突出以接收一選擇器把手2158。選擇器把手2158之旋轉導致主體部分2150在開關腔2114內轉動。如圖39所示,供氣埠2112與開關塊2110之一供氣通道2116連通,該供氣通道與一亦形成於開關塊2110中之管集箱區2118連通。
選擇器構件總成2130之主體部分2150有一與管集箱區2118連通的穿透中央供氣埠2160。一第三供氣通道2045提供於開關塊2110中。參見圖40。第三供氣通道2045在開關腔2114與一第三供氣埠2044之間延伸,第三供氣線路2042附接於該第三供氣埠。同樣的,一第四供氣通道2055提供於開關塊2110中且在開關腔2114與一第四供氣埠2054之間延伸,第四供氣線路2052附接於該第四供氣埠。當選擇器構件總成2130如圖40所示定位,經由供氣埠2112進入開關塊2110到供氣通道2116內的加壓氣體進入管集箱區2118內且可能流入中央供氣通道2160內。但加壓氣體會被擋在中央供氣通道2160之末端。因此,開關在圖40中係處於〝關〞位置。
要使遠側脊段2010往右樞轉(相反於圖34所示位置)時,將選擇器構件總成2130樞轉至圖41所示位置。如該圖所示,經由供氣埠2112進入開關塊2110通過供氣通道2116並進入管集箱區2118內的加壓氣體透過中央供氣埠2160轉移到第三供氣通道2045內及第三供氣線路2042內。然後加壓氣體流入第一鉛直供氣通道2040內並接觸樞軸構件2014上之驅動器片2016以迫使樞軸構件2014依〝F〞方向移動。驅動器片2016相對側上之加壓氣體進入第二鉛直通道2050並流入第四供氣線路2052內。隨著加壓氣體進入開關塊2110中之第四埠口2054,其流入第四供氣通道2055並流入主體部分2150中之一第四排氣通道2170。第四排氣通道2170與選擇器構件總成2130之主體部分2150中之一底切排氣區2155連通。參見圖43。因此,第四供氣線路2052內的加壓氣體經由第四排氣通道2170排放且經由底切排氣區2155排出開關外。
要將遠側脊段2010樞轉至圖34所示位置時,臨床醫師轉動選擇器構件總成2130致使中央供氣通道2160此時在管集箱區2118與第四供氣通道2055之間延伸。因此,從供氣線路651流入供氣通道2116並流入管集箱區2118內的加壓氣體會通過中央供氣通道2160流入第四供氣通道2055內。加壓氣體流出第四供氣埠2054到第四供氣線路2052內。第四供氣線路2052將加壓氣體轉移至第二鉛直供氣通道2050內。隨著加壓氣體進入第二鉛直供氣通道2050,驅動器片2016使樞軸構件2014依〝G〞方向樞轉。參見圖34。驅動器片2016相對側上的氣體氣體通過第一鉛直供氣通道2040流入第三供氣線路2042內。氣體離開第三供氣線路2042進入第三供氣通道2045內並流入提供於主體部分2150中之一第三排氣通道2180。第三排氣通道2180經定向使氣體經由底切排氣區2155排出。
本發明之另一獨特新穎特徵係一自動中立特徵配置,此配置讓臨床醫師能夠簡單地藉由放開選擇器開關把手2158而將遠側脊段2010(及終端作用器12)鎖定在一期望活節運動位置。更特定言之,一如圖所示建構之回動簧2190如圖40、41及43所示安裝在開關塊2110中。為使彈簧2190固持在開關塊2110內,一對相對的圓突部2192、2194從開關塊2110之底部表面2113突出。彈簧2190分別被固持在圓突部2192、2194之槽孔2193、2195內。參見圖43。如圖43所示,一回行桿2153從選擇器構件總成2130之主體部分2150突出。回行桿2153收納在回動簧2190之自由端2196、2198之間。圖43例示處於中立或關閉位置的主體部分2150。
因此,當臨床醫師想要使終端作用器12進行活節運動時,他或她轉動選擇器把手2158使選擇器構件總成2130之主體部分2150依對應於期望活節運動之旋轉方向移動。當臨床醫師轉動主體部分2150時,其係抵抗回動簧2190之自由端2196、2198其中一者產生之力轉動。一旦臨床醫師已將終端作用器12轉到期望位置,他或她放開選擇器把手2158且回動簧2190將主體部分2150移到關閉位置,此使終端作用器12保持在該位置。若臨床醫師想要調整終端作用器12之活節運動位置,他或她只要依期望方向轉動選擇器把手2158以獲得期望位置然後放開把手2158就能使終端作用器12保持在該位置。
圖44例示用於本發明各非限制性實施例搭配開關2100使用之控制系統組件的配置。如圖所示,使用一可移除的加壓氣體源620。從源620流出的氣體通過供氣線路650流到比例閥660並通過供氣線路651流到開關總成2100中之埠口2112。在圖44所示實施例中,源620包括一可替換/可再充氣氣瓶622,該氣瓶被支承在殼體總成300之握把部分342內。貯氣瓶622可為可再充氣的。但熟習此技藝者會理解到亦可有效地利用不可替換/再充氣加壓氣體源(貯氣瓶)。在其他實施例中,把手總成300可具備一用以從一外界加壓氣體源618供應加壓氣體的埠口616。舉例來說,該器具可透過一可撓供氣線路617耦接於設施之壓縮空氣線路(圖中未示)。參見圖45。
圖46-48例示活節接頭總成2002配置搭配前文所述類型及構造之快拆式接頭1000’的使用。但在此配置中,總計使用四個埠口。如圖47所示,遠側連接器部分1116具有一耦接於第一供氣線路區段540’的第一遠側供氣埠1117。一第二遠側供氣埠1120提供於遠側連接器部分1116中且耦接於一第二供氣線路區段542’。一第一供氣噴嘴部分1118如圖所示從第一遠側供氣埠1117依近側方向突出。一第二供氣噴嘴部分1122從第二供氣埠1120依近側方向往外突出。
遠側連接器部分1116更具有一耦接於一第三供氣線路區段2042’的第三遠側供氣埠1117’。一第四遠側供氣埠1120’提供在遠側連接器部分1116中且耦接於一第四供氣線路區段2052’。一第三供氣噴嘴部分1118’如圖所示從第三遠側供氣埠1117’依近側方向突出。一第四供氣噴嘴部分1122’從第四供氣埠1120’依近側方向往外突出。
相似地,近側脊段1150之遠端1152具有一第二連接器部分1154,該第二連接器部分有一耦接於另一第一供氣線路區段540”的第一近側供氣埠1156。第二連接器部分1154更在其中有一耦接於另一第二供氣線路區段542”的第二近側供氣埠1160。第一近側供氣埠1156經建構用以在其內可移除地接收第一供氣噴嘴1118,且第二近側供氣埠1160經訂定大小用以在其內可移除地接收第二供氣噴嘴1122。如圖47所示,一第一O環封1158與第一近側供氣埠1156結合以在第一噴嘴1118插入第一近側供氣埠1156內時在第一供氣線路區段540’與另一第一供氣線路區段540”之間形成一大致氣密(或液密)密封。當依該方式耦接在一起時,第一供氣線路區段540’和540”接合形成一第一供氣線路540。同樣的,一第二O環封1162與第二近側供氣埠1160結合以在第二供氣噴嘴1122插入第二近側供氣埠1160內時在第二供氣線路區段542’與另一第二供氣線路區段542”之間形成另一大致氣密(或液密)密封。當依該方式耦接在一起時,第二供氣線路區段542’和542”形成一第二供氣線路542。
又,近側脊段1150之遠端1152具有一第二連接器部分1154,該第二連接器部分有一耦接於另一第三供氣線路區段2042”的第三近側供氣埠1156’。第二連接器部分1154於其內更有一耦接於另一第四供氣線路區段2052”的第四近側供氣埠1160’。第三近側供氣埠1156’經建構用以在其內可移除地接收第三供氣噴嘴1118’,且第四近側供氣埠1160’經訂定大小用以在其內可移除地接收第四供氣噴嘴1122’。如圖47所示,一第三O環封1158’與第三近側供氣埠1156’結合以在第三噴嘴1118’插入第三近側供氣埠1156’內時在第三供氣線路區段2042’與另一第三供氣線路區段2042”之間形成一大致氣密(或液密)密封。當依該方式耦接在一起時,第三供氣線路區段2042’和2042”接合形成一第三線路2042。同樣的,一第四O環封1162’與第四近側供氣埠1160’結合以在第四供氣噴嘴1122’插入第四近側供氣埠1160’內時在第四供氣線路區段2052’與另一第四供氣線路區段2052”之間形成另一大致氣密(或液密)密封。當依該方式耦接在一起時,第四供氣線路區段2052’和2052”形成一第四供氣線路2052。熟習此技藝者會理解到可利用其他可卸式耦合配置、快拆配置而不脫離本發明之精神及範圍。
如前文在【先前技術】段中所述,隨著內切割器系統變得越來越小,開發一種可產生必要傳動力之氣動系統的難度也變得越高。此等問題可藉由利用電動機帶動旋轉傳動軸而變得比較容易解決。旋轉運動可輕易地在長而可撓或可活節運動的傳動軸上傳輸。儘管已在電動機大小及扭矩產生能力方面作出極大進展,此等系統的有效性會受到遠側長軸桿直徑的大小及可安裝在盡可能接近釘合機構之區域中之馬達的大小限制。在許多當今應用中,軸桿直徑之期望大小阻止電動機被定位在系統遠端同時能夠提供充分能量帶動系統。
以下實施例解決與傳動電動機有關之此等問題和缺點。如下文所將詳述,這些實施例利用一氣動馬達將旋轉動力傳輸到一旋轉從動內切割器。氣動馬達通常產生與傳送至該馬達之氣體之壓力及體積成比例的扭矩及每分鐘轉數。在圖49-56所示非限制性實施例中,利用一活節傳動軸總成將旋轉運動從氣動馬達傳送到終端作用器。但熟習此技藝者會理解到本發明這些實施例之獨特新穎觀點亦可有效地搭配其他已知旋轉從動終端作用器及其他利用一可撓傳動軸配置傳送旋轉傳動運動至內切割器之外科器具使用。又,本發明這些實施例之獨特新穎觀點可有效地搭配非活節式終端作用器配置使用。
圖49-56例示本發明之一外科切割及釘合器具1500,其利用一旋轉從動內切割器1512。頃存在多種旋轉從動內切割器及其他外科器具。舉例來說,一種旋轉內切割器配置揭示於2006年1月31日申請之授證給Shelton,IV等人之發明名稱為〝Motor Driven Surgical Cutting and Fastening Instrument With Adaptive User Feedback〞的美國專利申請案序號第11/343,447號中提及,該專利申請案之相關部分以引用的方式併入本文中。其他實例揭示於2006年6月27日申請之授證給Shelton,IV等人之發明名稱為〝Manually Driven Surgical Cutting and Fastening Instrument〞的美國專利申請案(KLNG No.050704/END5779USNP),該專利申請案之相關部分以引用的方式併入本文中。
圖50是一依據多個非限制性實施例的終端作用器1512的分解圖。如該範例實施例所示,終端作用器1512可包含一經訂定大小用以接收一氣力操作工具的長槽道1520。各非限制性實施例之氣力操作工具包括一於內部可操作地支承一〝擊發機構〞的釘匣50。此實施例包含一楔形滑橇總成1530,在該滑橇總成上有一刀部分1538。楔形滑橇總成1530旋到一螺旋傳動螺桿1560上。一位於長槽道1520之一遠端1521的軸承1522接收螺旋傳動螺桿1560,允許螺旋傳動螺桿1560相對於長槽道1520自由轉動。螺旋傳動螺桿1560可與楔形滑橇總成1530之一有螺紋開口(圖中未示)交界,致使傳動螺桿1560之轉動會導致楔形滑橇總成1530在一完全伸長或已作動位置與一完全縮回或未作動位置之間往遠側或近側平移(視旋轉方向而定)通過長槽道1520,其中在該完全伸長或已作動位置中被支承在釘匣內的肘釘已全部被擊發。據此,當螺旋傳動螺桿1560被依一方向轉動時,楔形滑橇總成1530被往遠側帶動通過釘匣50切斷終端作用器1512內夾緊之組織且擊發釘匣50內之肘釘使肘釘與可樞轉地耦合於長槽道1520之一砧40之底部表面發生成形接觸。楔形滑橇總成1530之滑橇部分1532舉例來說可由塑膠製成,且可有一傾斜遠側表面1534。隨著楔形滑橇總成1530橫越長槽道1520,傾斜前向表面1534可將釘匣50內之肘釘往上推或帶動穿過被夾緊的組織並抵住砧40。砧40翻轉肘釘,從而釘合被切斷的組織。當楔形滑橇總成1530縮回時,刀部分1538及滑橇部分1532可變成分開,從而將滑橇部分1532留在長槽道1520之遠端。熟習此技藝者會理解到可使用其他氣力操作工具與其他擊發機構。
圖51和52例示一種用以從把手總成300中一氣動馬達傳輸旋轉運動到螺旋傳動螺桿1560的傳動軸配置。如參照圖51所見,此實施例可運用前文詳述之閉合管總成170。閉合管總成170可滑動地套在一脊總成1540上,該脊總成包括一可旋轉地支承一主旋轉(或近側)傳動軸1544的近側脊段1542,該主傳動軸經由一包含齒輪1552、1554、1556之斜齒輪總成1550與一次級(或遠側)傳動軸1546聯繫。次級傳動軸1546連接到一傳動齒輪1548,該傳動齒輪接合於螺旋傳動螺桿1560之一近側傳動齒輪1562。鉛直斜齒輪1552被可樞轉地支承於近側脊段1542遠端中之一開口1543內。可利用一遠側脊段1570封閉次級傳動軸1546及傳動齒輪1548、1554。總括而言,主傳動軸1544、次級傳動軸1546、及活節總成(譬如斜齒輪總成1550)在本說明書中有時稱為〝主傳動軸總成〞。
如圖53和54所示,器具1500各實施例係由一呈加壓氣體源620形式之氣動力源供能。在這些圖式所示之實施例中,源620包括一可替換/可再充氣氣瓶622,該氣瓶被支承在殼體總成300之握把部分642內。貯氣瓶622可為可再充氣的。但熟習此技藝者會理解到亦可有效地利用不可替換/再充氣加壓氣體源(貯氣瓶)。在其他實施例中,把手總成300可具備一用以從一外界加壓氣體源618供應加壓氣體的埠口616。舉例來說,器具1500可透過一可撓供氣線路617耦接於設施之壓縮空氣線路(圖中未示)。參見圖53A。
以下更詳細地說明可移除/可再充氣貯氣瓶622之獨特新穎觀點。但為了解釋傳動系統如何提供旋轉運動給終端作用器1512,圖中可見加壓氣體在壓力下從貯氣瓶622或外界壓力源618通過一供氣線路650流入一傳統比例閥660內。比例閥660耦接於一附接於一啟動扳機670的供氣連桿662。參見圖53和58。在各實施例中,啟動扳機670被支承在一行進監測構件或相對位置擊發扳機310’附近,該扳機由一延伸於右邊機殼構件320與左邊機殼構件330之間的樞軸銷370可樞轉地耦合至把手總成300。相對位置扳機310’可由塑膠或其他適當材料製成且有一部分具備一大致U形橫截面藉以如圖所示容納啟動扳機670。臨床醫師可將他或她的手放到殼體總成300之握把部分342上致使下三根手指位在相對位置扳機310’上且食指位在啟動扳機670上。將啟動扳機670往內朝相對位置扳機310’擠壓會導致比例閥660允許氣體在壓力下從源620(或圖53A之618)通過該閥到一供氣線路680流入定向控制閥1610內。
如圖56所示,定向控制閥1610具有一前進位置區段1620、一停止區段1630、及一倒轉區段1640。控制閥區段1620、1630、1640可藉由穿過把手殼體300突出之按鈕1612和1614手動切換。參見圖49和56。二個供氣/排氣線路1700、1710從定向控制閥1610延伸到一傳統氣動馬達1730。因此,當臨床醫師將控制閥1610切換到前進位置,前進通道1622允許加壓氣體從供氣線路680流到供氣/排氣線路1700內導致氣動馬達1730以一第一方向帶動馬達傳動軸1732(將進一步於下文詳述),這會導致旋轉運動傳輸至傳動軸1544,在一擊發行程中驅使楔形滑橇總成1532及刀部分1538往遠側通過終端作用器1512。經由供氣線路1710離開氣動馬達1730的氣體透過一排氣埠1632排放。當控制閥1610被切換至倒轉位置時,通過供氣線路680的氣體被允許通過供氣線路1710流入氣動馬達1730內。經由供氣/排氣線路1700離開氣動馬達1730的氣體透過排氣埠1632排放。當控制閥處於停止位置,供氣線路680及供氣/排氣線路1710被關閉且供氣線路1700連接至排氣埠1632。參見圖56。
如圖56更進一步顯示,氣動馬達1730之輸出軸1732可在其上有一第一傳動齒輪1734,該第一傳動齒輪嚙合於一安裝在一行星齒輪總成1740之一輸入軸1738的第二傳動齒輪1736。行星齒輪總成1740有一輸出軸1742,該輸出軸藉由一傳統聯軸構件1743耦接於傳動軸1544之近端1545以將旋轉運動傳送到該傳動軸近端。因此,當控制閥1610被切換到前進位置,氣動馬達1730之輸出軸1732透過齒輪1734、1736及行星齒輪總成1740將一旋轉運動加諸於傳動軸1544藉以導致楔形滑橇總成1530及刀部分1538通過釘匣50切斷終端作用器1512中夾緊之組織並驅使釘匣50內之肘釘與砧40發生成形接觸。當控制閥1610切換到倒轉位置,氣動馬達1730之輸出軸1732將一反向旋轉運動加諸於傳動軸1544使楔形滑橇總成1530及刀部分1538依一近側方向回縮通過釘匣50。
圖49-56所示實施例亦具有增進儀器之可操作性且向臨床醫師提供多種形式之回饋的更進一步獨特新穎特徵,使得臨床醫師能夠監測楔形滑橇總成1530及刀部分1538在釘匣50內往遠側推進及縮回時的釘匣內位置。再次參照圖56,可看到一回饋齒輪1750提供在傳動軸1544上或行星齒輪總成1740之輸出軸1742上。回饋齒輪1750嚙合於一安裝在一有螺紋刀位置軸1754上的刀位置齒輪1752。刀位置軸1754可由有助於其自由旋轉的適當軸承配置(圖中未示)支承。一近側限制開關1760與軸1754之近端1756結合,且一遠側限制開關1770與軸1754之遠端1758結合。一刀指示器1780旋到刀位置軸1754上以供在該刀位置軸上往遠側和近側行動。當傳動軸1544依會導致楔形滑橇總成1530及刀部分1538往遠側通過釘匣50的方向轉動時,刀指示器1780亦往近側朝遠側限制開關1770移動。遠側限制開關1770經定向致使當楔形滑橇1530及刀部分1538處於最遠側位置時,刀指示器1780作動遠側限制開關1770。一窗提供於左邊機殼構件330(或右邊機殼構件320,這取決於刀位置軸1754在殼體總成300內的位置)使得臨床醫師能夠看到刀指示器1780之位置藉以判斷擊發機構(楔形總成1530及刀部分1538)在其擊發行程內之位置且為臨床醫師提供用以在回縮行程中監測楔形總成1530之位置的器件。
又,在各實施例中,可提供一從供氣線路650延伸到遠側限制開關1770的遠側輔助線路1772。一遠側限制開關線路1774可提供在遠側限制開關1770與定向控制閥1610之間。因此,當楔形滑橇總成1530及刀部分1538已完成擊發行程且刀指示器1780作動遠側限制開關1770,遠側限制開關1770許可氣體在壓力下從供氣線路650流到遠側限制開關線路1774並流入定向控制閥1610內,這在各實施例中會導致定向控制閥1610自動切換至倒轉位置並因此導致氣動馬達1730反轉且最終將一反向旋轉運動加諸於傳動軸1544。當氣動馬達1730反轉傳動軸1544時,反向旋轉運動傳輸到刀位置軸1754藉以驅使刀位置指示器1780朝近側限制開關1760往回移動。一近側輔助線路1662亦可在近側限制開關1660與供氣線路650之間延伸,致使當刀位置指示器1780作動近側限制開關1660(意味著楔形滑橇1530及刀部分1538已移到其完全縮回位置)時,近側限制開關1660因此許可氣體流入一近側限制開關線路1664且流入定向控制閥1610內藉以導致定向控制閥1610自動切換成停止位置。
在各實施例中,一第一氣笛1790或其他適當發聲裝置可與遠側限制開關線路1774(或遠側限制開關1770)連通,致使當遠側限制開關1770在擊發行程之末端被作動時,通過遠側限制開關線路1774的空氣致使第一氣笛1790向臨床醫師提供一聲音信號表示楔形滑橇/刀具已抵達擊發行程之末端。同樣的,一第二氣笛1792或其他適當發聲裝置可與近側限制開關1760連通,致使當近側限制開關1760在回縮行程之末端被作動時,通過近側限制開關線路1764的空氣致使第二氣笛1792向臨床醫師提供另一聲音信號表示楔形滑橇/刀具已抵達回縮行程之末端。在其他實施例中,舉例來說,電池供電的發光二極體或其他發信裝置可與遠側和近側限制開關1770、1760聯繫以向使用者提供楔形滑橇/刀具已抵達擊發行程及/或回縮行程之末端時的另一指示。在替代實施例中,氣笛1790、1792可換成壓力感測器或壓力計以指出裝置何時抵達擊發行程及/或回縮行程之末端。
在圖49-56所示各實施例中,氣動馬達被支承在把手總成300內。在圖52A和52B所示實施例中,氣動馬達1730’位於遠側脊段110內。馬達傳動軸1546’在其上有一傳動齒輪1548’,該傳動齒輪嚙合於螺旋傳動螺桿1560之近側傳動齒輪1562。圖52A例示此遠側安裝氣動馬達搭配一如前所述之活節接頭104使用。圖52B所示實施例使用一如前所述之氣動活節接頭總成2002。此等遠側安裝空氣馬達配置亦可搭配採用其他活節接頭配置的器具使用,或是搭配終端作用器不相對於把手總成或其所附接長軸桿總成部分進行活節運動的器具使用。熟習此技藝者會理解到此等遠側安裝氣動馬達配置使得可能在實施例中透過長形傳動軸配置所遭遇到的動力損失最小化,其中馬達係支承於把手總成內且擊發和回縮運動必須透過活節接頭傳輸到終端作用器。諸如圖52A和52B所示之實施例僅要求二條線路1710和1760穿過活節接頭以向馬達1730’供能。線路1710和1760可包括可撓管路或類似物且相較於需要一或多個傳動構件穿過接頭的其他實施例比較不會限制活節接頭。
又,本發明各實施例可被建構成向使用者提供一有關器具之擊發組件之相對位置的觸覺回饋。在一些實施例中,此係藉由將行程監測構件或相對位置扳機310’連結到施加於裝置之傳動軸或擊發機構之前進和回縮運動的方式達成。更特定言之且參照圖53-55,此實施例可包含一回饋連桿總成1800,該回饋連桿總成在各非限制性實施例中可包括一有螺紋手動回饋軸1801,該軸可依螺紋附接於一可旋轉地安裝在相對位置扳機310’之一上附接板部分332的螺母構件334。手動回饋軸1801之遠端有一支承一手動回饋齒輪1804的萬向接頭部分1802,該手動回饋齒輪嚙合於刀位置齒輪1752。當定向控制閥1610處於前進位置,氣動馬達1730驅動傳動軸1544致使呈一楔形滑橇1530和刀部分1538之形式的擊發機構被帶動往遠側通過氣缸(擊發行程)。回饋齒輪1750帶動刀位置齒輪1752,而該刀位置齒輪帶動手動回饋齒輪1804。然後手動回饋齒輪1804轉動手動回饋軸,該手動回饋軸因其與螺母334之螺紋接合而將相對位置扳機310’拉往把手總成300之握把部分342,從而向臨床醫師提供一代表楔形滑橇1530及刀部分1538推進的〝觸覺〞指示。熟習此技藝者會理解到如果臨床醫師嘗試使相對位置扳機310’朝把手總成300之握把部分342樞轉,手動回饋軸1801和螺母334會阻止其任何移動。但是,相對位置扳機310’會相關於楔形滑橇1530及刀部分1538之推進和回縮自動樞轉。此配置向臨床醫師提供一僅需在外科程序全程中抓住相對位置扳機310’就能得到的楔形滑橇總成1530及刀部分1538(擊發機構)之推進和回縮之自動觸覺指示。因此,臨床醫師不用看任何東西就能得到此回饋。此配置向臨床醫師提供擊發機構在未作動位置與已作動位置間之進程及擊發機構何時從已作動位置回到未作動位置的單手非視覺回饋。
各實施例可更進一步具備整體標示為333的另一觸覺回饋配置。舉例來說,如圖53-56所示,相對位置扳機310’之上附接板部分332可具備一系列經設計當擊發及回縮行程期間相對位置扳機310’以銷370為中心樞轉時與安裝在把手總成300內之一彈簧臂337交界的槽孔335、掣止、溝、及類似物。當上附接板部分332隨著相對位置扳機310’樞轉時,彈簧臂337之末端掉入每一順序槽孔335內且用來(依序)將一力加諸於上附接板部分332,此力在臨床醫師抓住相對位置扳機310’時能夠感覺到。因此,隨著相對位置扳機310’推進,臨床醫師會得到一系列對應於擊發機構之移動的額外觸覺回饋運動藉以確認相對位置扳機310’(及最終擊發機構)在擊發行程期間推進或在回縮行程期間縮回,無論是在何種情況之下。又,隨著彈簧臂337之末端掉入每一每一順序槽孔內,此可能產生一聲音、喀嚓聲等以向臨床醫師提供關於擊發機構通過擊發行程及回縮行程之移動的聲音回饋。因此,此實施例提供一系列(至少二個)關於擊發機構在未作動位置與已作動位置間之移動的聲音。
熟習此技藝者會理解到器具1500呈現一遠優於習知氣動內切割器配置的改良。舉例來說,各實施例提供一供臨床醫師監測擊發機構(楔形滑橇/刀具)被帶動通過其擊發行程時之位置的器件。在一些實施例中,當楔形滑橇/刀具抵達其擊發行程之末端時會自動縮回。一旦處於完全縮回位置,控制閥可自動切換到一停止位置藉以中斷從源618或620到氣動馬達1730的空氣供應。但如果在啟動過程中臨床醫師想要停止楔形滑橇/刀具在氣缸內往遠側之推進,他或她可簡單地將控制閥1610手動切換至倒轉位置並繼續作動啟動扳機670向氣動馬達1730供應加壓氣體直到楔形滑橇/刀具移動至期望回縮位置為止。此外,獨特新穎的相對位置扳機310’在臨床醫師抓住相對位置扳機310’之時向臨床醫師提供可感受到的手動或觸覺回饋。又,臨床醫師可在楔形滑橇/刀具已抵達擊發行程末端及/或已完全縮回時得到聲音信號。
熟習此技藝者亦會理解到行程監測裝置所提供的獨特新穎優點在使用傳動構件500、800或波紋管總成900時亦可藉由以一推/拉可撓纜索(圖中未示)或剛性構件(用於非活節之實施例)將這些傳動構件之每一者連接到上附接板部分332或相對位置扳機310’之其他部分致使此等傳動構件之推進和回縮直接或間接地連結到相對位置扳機310’的方式獲得。此獨特新穎配置亦可搭配下文參照圖70-83說明之實施例使用。
如前所述,回饋連桿總成1800不僅以一對應於擊發機構之移動速率的速率自動地移動相對位置扳機310’以便向臨床醫師提供一用以監測擊發機構之進程的器件,回饋連桿總成1800可利用螺紋或是會有效地阻止或大幅限制臨床醫師手動樞轉相對位置扳機310’之能力的其他器件。在此等非限制性實施例中,相對位置扳機310’會移動的時間只有回饋連桿總成使其移動之時。在更其他實施例中,可藉由一經建構用以防止相對位置扳機310’在被作動時發生任何樞轉行動的馬達(圖中未示)或另一貯氣瓶(圖中未示)來阻止相對位置扳機310’之手動移動。舉例來說,啟動扳機670上之力量的出現會引起氣體釋放,但在擊發機構開始移動之前,相對位置扳機310’不被允許發生實質移動,且萬一擊發機構停止移動,相對位置扳機310’的運動也會隨之停止。
但在其他多個實施例中,回饋連桿總成1800亦可被建構為使臨床醫師具備在擊發行程期間以一氣動馬達1730之形式協助傳動構件的能力,以便在臨床醫師想要時對傳動構件增添力量或阻止擊發機構推進。在此等實施例中,舉例來說,回饋軸1801可被形成為具備一梯形螺紋或其他螺紋配置或組態,此等螺紋配置會實際許可臨床醫師對相對位置扳機310’施加壓力並藉此藉由其與螺母334之接合而對軸1801施加一旋轉力。由於將一旋轉運動加諸於軸1801,臨床醫師亦對齒輪1804施加一旋轉力,該齒輪嚙合於套在傳動軸1544上之齒輪1750。因此,如果擊發機構遭遇阻力,臨床醫師可藉由擠壓相對位置扳機310’而對傳動軸1544施加機械產生的動力。如果臨床醫師想要減緩或阻止擊發機構之移動,臨床醫師可對相對位置扳機310’施力,該扳機隨後抗拒/減緩軸1801及齒輪1804之旋轉且最終抗拒/減緩傳動軸1544之旋轉。
以上所述各實施例係搭配一用以在壓力下供應氣體以操作裝置的可移除貯氣瓶622使用。在各實施例中,可移除貯氣瓶622可為一開始就裝填了高壓氣體且不可再填充。舉例來說,貯氣瓶622可包括一裝填了二氧化碳的傳統拋棄式貯氣瓶。一旦貯氣瓶用盡,使用者將其移離把手總成並用一新的滿載貯氣瓶替換。其他可用氣體舉例來說為壓縮空氣,二氧化碳(CO2 ),氮氣,氧氣,氬氣,氦氣,氫化鈉,丙烷,異丁烷,丁烷,氟氯碳化物類,二甲基醚,甲基乙基醚,氧化亞氮,氫氟烷類(HFA):HFA 134a(1,1,1,2,-四氟乙烷)或HFA 227(1,1,1,2,3,3,3-七氟丙烷)。此配置提供一遠優於習知氣動外科器具配置的改良。但該器具可供使用的次數取決於此等貯氣瓶內可儲存之氣體體積以及有效地維持裝置無菌性之需求。
本發明其他實施例使用之貯氣瓶622儲存了在一儲存壓力下呈液態且當裝置作動後處於一較低壓力下時轉變成氣態的氣體。可用在這些實施例中之液體的實例包括氧化亞氮,二甲基醚,甲基乙基醚,氫化鈉,丙烷,異丁烷,丁烷,氫氟烷類(HFA):HFA 134a(1,1,1,2,-四氟乙烷)或HFA 227(1,1,1,2,3,3,3-七氟丙烷),及較高壓下的二氧化碳(CO2 )。
圖57例示一貯氣瓶622之非限制性實例,其內裝有前文所述液態物624之一者。貯氣瓶622可由鋼、鋁或其他相容於其內儲存之液體/蒸氣且能夠承受其內產生之內部壓力的材料製成。當使用本說明書所述類型之外科器具時,臨床醫師經常要以多種位置(包括上下顛倒的位置)翻轉把手總成300以達成終端作用器12之期望位置。因此,在這些實施例中,為防止液體在此類操縱過程中不合期望地離開貯氣瓶622移到控制系統內,一膜片626提供於貯氣瓶622內。膜片626可由阻止液態物通過但許可由該液體形成之蒸氣628通過膜片626的材料製成。因此,臨床醫師可自由操縱把手總成300而不會有液態物624進入定向控制閥1610及/或氣動馬達1730內的風險。儘管貯氣瓶622被示為一體式構造,貯氣瓶622可用二或更多部件製成以利液態物624和膜片626安裝於其內。可利用適當密封構件建立此實施例中貯氣瓶各部分之間的液密密封。又,可提供一裝填埠(圖中未示)以填充貯氣瓶622。
在圖57所示實施例中,當臨床醫師將定向控制閥1610切換到前進位置並作動比例閥660時,貯氣瓶622內之壓力減小。此種壓力減小會導致液態物624開始氣化,且蒸氣628通過膜片626並用來向前文所述各種控制系統供能。因此,藉由減小貯氣瓶622內之壓力,液態物624開始氣化且利用加壓蒸氣628向裝置供能。
其他實施例可使用需要燃燒作用使液態物轉變成其氣態的液態物。此等液態物的實例為丙烷、丁烷及其他石化產物。可利用一傳統按鈕點火器或其他點火器系統來點燃該液態物。在此等應用中,裝置之其他組件會由能夠安全地發散因此產生之任何熱能/煙的材料及方式製造。更其他實施例可使用經特殊設計在一低壓和低溫下經由熱之輸入而從固態轉變成液態、從固態轉變成氣態或從液態轉變成氣態的相變材料。此等材料之實例為石蠟以及鈉之各種混合物。這些相變材料可能隨熱輸入到系統而有大量體積變化。此等裝置會使用一器件譬如燃燒器以向該材料提供必要熱能。又,這些裝置可能暴露於此熱的組件會被設計成在使用期間安全地散熱並保護臨床醫師並由達成此目標的材料建構。
圖57所示實施例可用在前文所述各種不同類型之貯氣瓶且提供許多優於貯氣瓶係永久性安裝在把手總成300內之其他實施例的優點。更特定言之且參照圖57,貯氣瓶622可收納在一形成於把手總成300之握把部分342中的腔穴671內。為能進出腔穴671,握把部分342可為由二個可輕易分開的部件製成或是具備一與其扣接或經其他方式可移除地附接的可移除蓋板(圖中未示)。在各實施例中,貯氣瓶622之排洩端630旋入一管集箱塊632之一有螺紋埠口634內。有螺紋埠口634與一供氣通道636連通,該供氣通道由一針閥638開啟及關閉。特定言之,在各實施例中,針閥638旋入管集箱塊632內致使供氣通道636可因轉動針閥638而被開啟和關閉。但亦可採用其他閥或流量控制配置。
為了在使用期間向臨床醫師提供貯氣瓶壓力之一指示,可將一傳統壓力計640安裝為與供氣通道636流體連通。一壓力計窺視窗642可提供在握把部分342中以讓使用者能在使用中觀看壓力計640。參見圖49。
如圖57和58所示,貯氣瓶622可被支承在一可卸式握把部分342內,該握把部分可移除地附接於一從主要把手部分340向下突出的主要附著部分344。可卸式握把部分342可藉由任何適當配置與主要附著部分344接合。舉例來說,依據各實施例,可卸式握把部分342與主要附著部分344之接合可藉由一如圖所示之直線性滑動配置實現。如圖所示,例如在圖57-59及61中,可釋握把部分342更包括第一和第二上部滑軌367及第一和第二下部滑軌368。亦如這些圖式所示,第一上部滑軌367界定一斜面369。上部滑軌367被設計成欲收納在由鑲板380和382界定於主要把手部分340中之對應區域384內。
外科器具可更進一步包括一閉鎖系統1900。例如在圖59及64-69中更詳細示出的閉鎖系統1900經建構配置成在可卸式握把部分342與主要附著部分344分開預定次數之後阻擋主要附著部分344與可卸式握把部分342之連接。此預定次數可為任何次數。此配置可能特別有利於藉由限制一裝置可使用之次數來確保裝置之無菌性得到有效維持。舉例來說,依據各實施例,閉鎖系統1900可在可卸式握把部分342拆離主要附著部分344兩次之後阻擋主要附著部分344連接到可卸式握把部分342。儘管圖中顯示閉鎖系統1900大部分位在主要殼體部分340內,應理解到依據其他實施例閉鎖系統1900可為大部分位在可卸式握把部分342內。
如圖59所示,閉鎖系統1900包括一計數器1902,及一耦接於計數器1902的阻隔總成1904。計數器1902經建構配置成在可卸式握把部分342拆離把手總成300之主要附著部分344時推進。如圖59所示,計數器1902連接到一軸1906,該軸被一連接到右邊機殼構件320的轂1908支承。計數器1902包括一耦接於軸1906的分度輪1910,及一耦接於分度輪1910的偏動構件1912。偏動構件1912舉例來說可包括一經建構用以使分度輪1910依一逆時針方向偏動的扭轉彈簧。參見圖59。
分度輪1910界定突出部1914、1914’、1914”,該等突出部與阻隔總成1904合作以限制分度輪1910之推進。突出部之一者1914”經建構配置用以與阻隔總成1904合作以在握把部分342拆離主要附著部分344預定次數之後阻擋可卸式握把部分342連接到主要附著部分344。儘管分度輪1910被示為界定突出部1914、1914’、1914”,應理解到依據其他實施例,分度輪1910可界定與阻隔總成1904合作以限制分度輪1910推進的缺口,且該等缺口之一者可在握把部分342拆離主要附著部分344預定次數之後與阻隔總成1904合作藉以阻擋可卸式握把部分342連接到主要附著部分344。
軸1906經建構配置用以許可分度輪1910重設到一先前位置。舉例來說,軸1906可界定一六角形開口1916,且一六角形工具可穿過左邊機殼構件330之一開口1918(示於圖60)插入六角形開口1916內,然後依順時針方向轉動藉以將分度輪1910重設到一先前位置。
如圖59所示,阻隔總成1904包括一阻隔構件1920、一阻隔構件導件1922、一閘構件1924、及一偏動構件1926。閘構件1924與阻隔構件1920接觸,可樞轉地連接到阻隔構件導件1922,且與突出部1914、1914’、1914”合作以限制分度輪1910推進。偏動構件1926耦接於閘構件1924。偏動構件1926舉例來說可包括一經建構用以使閘構件1924依一順時針方向偏動的扭轉彈簧。以下參照圖64-69更詳細地說明閉鎖系統1900之操作。
如圖所示,例如圖59-63所示,把手總成300包括一經建構配置用以起始可卸式握把部分342脫離主要附著部分344之作用的釋放系統1930。釋放系統1930位於主要附著部分344內且包括一釋放鈕1932,及連接或整合於釋放鈕1932的第一和第二釋放構件1934。第一和第二釋放構件1934各自界定一釋放斜面1936。釋放系統1930更包括與相應釋放斜面1936接觸的第一和第二釋放銷1938,與第一和第二釋放銷1938接觸的第一和第二鎖簧1940,及與第一和第二下部滑軌368接觸的第一和第二頂出簧1942。參見圖62。如圖59所示,彈簧1940之自由端1941穿過右邊機殼構件320中之一對應孔321及左邊機殼構件330中之一對應孔331伸入上部滑軌367中之對應孔372內藉以使可卸式握把部分342保持與主要附著部分344接合。
要起始可卸式握把部分342脫離握把附著部分344之作用時,使釋放鈕1932推進,導致第一和第二釋放構件1934及相應釋放斜面1936亦推進。隨著釋放斜面1936推進,釋放斜面1936導致第一和第二釋放銷1938改變位置。第一和第二釋放銷1938之相應位置的改變會導致第一和第二鎖簧1940往上移出上部滑軌367之孔372外一充分量以允許第一和第二上部滑軌367脫離其與鎖簧之接合。隨著可卸式握把部分342從主要握把附著部分344移開,第一和第二頂出簧1942每一者釋放其儲存的能量,從而分別對第一和第二下部滑軌368施予一力。此力協助可卸式握把部分342脫離主要握把附著部分344。應理解到依據其他實施例,釋放系統1930可包括適於起始可卸式握把部分342釋離主要握把附著部分344之作用的其他組件及/或組態。
參照圖57和58,供氣通道636之遠端637有一點639形成於其上以讓遠端637能夠刺穿安裝在主要附著部分344中之一封閉管集室644內之無菌密封膜片646。特定言之,供氣通道636之遠端637插穿過管集室644之一埠口645。無菌膜片646可由能被消毒的任何適當可刺破材料製成,在供氣通道636之遠端637插穿過時於其間達成一大致液密或氣密密封,且在供氣通道636之遠端637移開時仍維持管集室644內之區域的無菌性。
亦如圖57和58所示,供氣線路650流體耦合於管集室644致使從供氣線路636進入管集室644之加壓氣體流入供氣線路650內。圖57例示附接於主要附著部分644之前的可卸式握把部分342。圖58例示附接於主要附著部分344的握把部分342。如圖58所示,供氣通道636之遠端637已刺穿無菌膜片646。為協助供氣通道636之遠端637插穿過無菌膜片,一壓縮彈簧649提供在可卸式握把部分342之壁與管集箱塊632之間。此配置在供氣通道636之遠端637插穿過膜片646之時向管集箱塊632提供一些〝彈性〞。
圖64-69例示閉鎖系統1900在附接/分開程序期間不同時間其組件之相對位置。圖64例示握把部分342首次完全接合於主要附著部分344之前的相對位置。閘構件1924與突出部1914接觸藉以阻止分度輪1910推進。
握把部分342藉由滑軌637推入對應通道384內而附接於附著部分344。阻隔構件1920穿過鑲板380之一孔381伸入通道384之一者內。參見圖59。隨著第一和第二上部滑軌367推進,第一上部滑軌367之一者上的斜面369觸碰阻隔構件1920且導致該阻隔構件往上朝分度輪1910移動。隨著阻隔構件1920朝分度輪1910推進,阻隔構件1920導致閘構件1924從分度輪1910移開。參見圖65。隨著第一上部滑軌367及斜面369持續推進,阻隔構件1920持續朝分度輪1910推進。當握把部分352完全接合於主要部分351時,阻隔構件1920觸碰原本與閘構件1924接觸的突出部1914,從而如圖66所示阻止分度輪1910推進。
在握把部分342開始脫離主要附著部分344後,第一和第二上部滑軌367以相反方向推進,第一上部滑軌367界定的斜面369允許阻隔構件1920從分度輪1910移開。隨著阻隔構件1920從分度輪1910移開,阻隔構件1920允許閘構件1924朝分度輪1910推進且如圖67所示跳過突出部1914。隨著握把部分342拆離主要附接部分344,阻隔構件1920從分度輪1910移開夠遠以鬆開其與突出部1914之接觸且允許分度輪1910轉動直到一第二突出部1914’如圖68所示與閘構件1924發生接觸為止。
此時計數器1902已推進一個位置,且握把部分342能夠再次附接於主要附著部分344。附接/分開循環可重複進行。圖68例示第二次再附接程序。當握把部分342完全接合於主要附著部分344,阻隔構件1920如圖69所示觸碰突出部1914”藉此阻止分度輪1910推進。在第二循環之末端,當握把部分342脫離主要附著部分344時,閘構件1924如圖69所示觸碰一第三突出部1914”。第三突出部1914”經建構配置用以藉由阻隔構件1920阻止閘構件1924從分度輪1910移開,從而阻止主要附著部分344再次附接於握把部分342(或附接於一替換握把部分)。因此,依據這些實施例,該外科器具有效地為兩次使用型器具。但熟習此技藝者會理解到如果分度輪1910界定更多突出部或缺口即可增加使用次數。
圖70-83例示依據本發明之另一獨特新穎氣動外科切割及緊固裝置3010,其向臨床醫師提供監測擊發行程之進程的能力同時亦提供手動縮回該裝置之擊發組件的能力。此實施例可搭配前文所述終端作用器12或其他終端作用器配置使用。
此實施例之長形脊總成3102可包括一附接於一遠側脊段3106的近側脊段3104。在替代實施例中,長形脊總成3102可包括一單一組件。長形脊總成3102大致中空且不可動地耦接於殼體總成300。如圖79和80所示,近側脊段之近端3105可藉由一從右邊機殼構件320突出之右附接樁3110及一從左邊機殼構件330突出之左附接樁3112附接於殼體總成。長形脊構件3102之遠端可依前文所述方式耦接於長槽道20。
又,在此實施例中,一長形閉合管3190從把手總成300延伸到終端作用器12。閉合管3190之遠端3192有一穿透的馬蹄形孔3194且用來在閉合管3190於脊構件3102上軸向地移動依前文所述方式與砧40上之開/關舌片46互動。
如圖71所示,一藉由連桿總成430耦接於閉合扳機302的梭總成3400被支承在主殼體部分340內。梭總成3400亦可由以一聚合物或其他適當材料模製或其他方式製造且經設計要配合在一起的二個部件3402、3404構成。部件3402、3404可由扣接構件及/或黏著劑及/或螺栓、螺釘、夾子、及類似物固持在一起。梭總成3400之右邊部分3402具有一右止動凸緣區段3405,該右止動凸緣區段適於與梭總成3400左邊部分3404上之一左止動凸緣區段(圖中未示)合作形成一可依前文所述方式伸入長形閉合管3190之近端3196之一止動溝(圖中未示)內的止動凸緣總成。長形脊構件3102之近端3104伸入形成於梭總成3400之遠端中的開口3403內,且藉由延伸穿過分別位在右邊部分3402及左邊部分3404中之開口3406的右止動樁3110及開口3408的左止動樁3112不可動地附接於右邊機殼構件320。此外,梭總成3400具備側向延伸的導軌3410、3411。軌道3410建構為可滑動地收納在右邊機殼構件320之一對應軌道導件內,且軌道3411建構為可滑動地收納在左邊機殼構件330之一對應軌道導件內。因此,梭總成3400及閉合管3190可相對於附接於把手總成300之脊總成3102軸向地移動。
梭總成3400及長形閉合管3190在遠側方向(箭頭〝C〞)中之軸向移動係由閉合扳機302朝把手總成300之握把部分342移動產生,且梭總成3400在近側方向(箭頭〝D〞)中之軸向移動係由閉合扳機302移離握把部分342產生。在各實施例中,梭總成3400具備一讓閉合連桿總成3430與其附接的連接器舌片3412。參見圖71和72。閉合連桿總成3430包含一藉由一銷3414可樞轉地銷接於連接器舌片3412的軛部分3432。閉合連桿總成3430更有一閉合臂3434,該閉合臂如圖71所示藉由一閉合銷436可樞轉地銷接於一形成在閉合扳機302上之軛總成304。閉合扳機302藉由一延伸於右邊機殼構件320與左邊機殼部分330之間的樞軸銷306可樞轉地安裝在把手總成300內。
當臨床醫師想要關閉砧40並將組織夾緊於終端作用器12內時,臨床醫師將扳機302拉往握把部分342。隨著臨床醫師將閉合扳機302拉往握把部分342,閉合連桿總成3430依遠側〝C〞方向移動梭總成3400直到閉合連桿總成3430移至圖71所示鎖定位置為止。當處於該位置時,連桿總成3430會傾向於將梭總成3400保持在該鎖定位置。隨著梭總成3400移到鎖定位置,閉合管3190在脊總成3102上往遠側移動,導致砧40上之關閉/開啟舌片46被閉合管區段3190之遠端3192之馬蹄形孔3194之近端碰觸從而將砧40樞轉至關閉(夾緊)位置。為更進一步使梭總成3400保持在關閉位置,可使用一如前所述之鎖定機構301。
如前所述,本發明各實施例利用一獨特新穎回縮桿總成4000讓臨床醫師能夠監測擊發和回縮行程之進程並且提供手動縮回一擊發桿4030之能力。如圖72所示,回縮桿總成4000包含一可滑動地銷接於一推桿4020的回縮桿4010。特定言之,回縮桿4010有一穿透的長形槽孔4012,該槽孔經訂定大小可滑動地接收二個銷4014以供將回縮桿4010附接於推桿4020。一回縮握把4016可附接於回縮桿4010之近端4011。
推桿4020有一經設計用以與一長形擊發桿4030之近端交界的遠端4022。如圖72所示,擊發桿4030之近端4032有一形成於其上的連接器部分4034,該連接器部分經訂定大小用以接收推桿4020遠端4022中之一對應造型連接器孔4024。因此,可利用推桿4020為一擊發行程依遠側方向軸向地推動擊發桿4030或是為一回縮行程依近側方向拉動擊發桿4030。熟習此技藝者會理解到擊發桿4030延伸通過脊總成3102。在替代實施例中,擊發桿4030可有一矩形、方形或類似的橫截面形狀且如前所述附接於刀具總成30之遠端31或是連接到不同類型之刀桿及其他需要一軸向運動予以作動的終端作用器組件。
圖72-77包括梭總成3400之多個圖式。如這些圖中所示,左邊梭部分3404包含二個間隔的鉛直支撐壁3416、3418,該等支撐壁在其間界定一推桿開口3420。推桿4020之遠端4022延伸穿過推桿開口3420欲耦接於擊發桿4030之近端4032。如圖72所示,推桿4020之近端4026耦接於一〝Z〞形連接器部件4040。特定言之,推桿近端4026有一自其突出的連接樁4028,該連接樁可收納於Z形連接器部件4040之近端4041上之一附接舌片4042之一開口4049中。參見圖72。但推桿4020之近端4026可藉由一螺釘或其他適當繫結件附接於附接舌片4042。Z形連接器部件4040之遠端4045在其上有一遠側附接舌片4046,該遠側附接舌片適於連接到一從一氣動缸總成5000突出之活塞缸5040。
如圖79所示,氣缸總成5000包括一第一氣缸殼體5010,該第一氣缸殼體具有一第一封閉近端5012及一通入第一氣缸殼體5010中之一第一軸向通道5016內的第一開放遠端5014。氣缸總成5000亦包括一第二氣缸殼體5020,該第二氣缸殼體具有一第二近端5022及一通入一第二軸向通道5026內的第二開放遠端5024。第二近端5022有一第一活塞頭5028形成於其上,該第一活塞頭經相對於第一軸向通道5016訂定大小用以與第一氣缸殼體5010之第一壁5011產生一大致氣密滑動密封藉以在第一近端5012之遠側與第一活塞頭5028之近側之間界定一第一氣缸區5015。第一氣缸殼體5010之第一遠端5014更有一形成於其上的向內延伸第一凸緣5017,該第一凸緣用於與第二氣缸殼體5020之外壁表面建立一大致氣密滑動密封藉以在第一凸緣5017之近側與第一活塞頭5028之遠側之間界定一第二氣缸區5018。
一第一通道5027穿透第一活塞頭5028。如圖79所示,一活塞缸5040穿過第二氣缸殼體5020之第二開放遠端5024伸入第二軸向通道5026內。活塞缸5040具有一近端5042及一封閉遠端5044。一第二活塞頭5046形成於活塞缸5040之近端5042上。第二活塞頭5046經相對於第二軸向通道5026訂定大小用以與第二氣缸殼體5020之一第二壁5021產生一大致氣密滑動密封藉以界定一第三氣缸區5032。第二氣缸殼體5020之第二遠端5024更有一形成於其上的向內延伸第二凸緣5025,該第二凸緣用於與活塞缸5040建立一大致氣密滑動密封以在第二凸緣5025之近側與第二活塞頭5030之遠側之間界定一第四氣缸區5034。一開口5047穿過第二活塞頭5046通入活塞缸5040之一通道5048內。
如圖79和80所示,氣缸總成5000安裝在殼體總成300內。一第一供氣線路或供氣導管5050從把手總成300之一定向控制閥610延伸欲耦接於第一氣缸殼體5010第一近端5012藉以供給加壓氣體通過第一氣缸殼體5010第一近端5012之一第一供氣埠5013或開口。此外,一第二供氣線路或供氣導管5052從定向控制閥610延伸到第一氣缸殼體5010之遠端5014附近連接至第一氣缸殼體5010藉以經由一第二埠5029將加壓氣體送入第二氣缸區5018內。參見圖78。
參照圖78和79,今詳細說明擊發桿4030之伸長及回縮。如圖78所示,供氣線路5050和5052耦接於一傳統定向閥1610,該閥係為裝在把手總成300內之一驅動器系統1600的一部分。定向控制閥1610具有一前進位置區段1620、一停止區段1630、及一倒轉區段1640。控制閥區段1620、1630、1640可藉由穿過把手殼體300突出之按鈕1612和1614手動切換。在各實施例中,使用一可移除的加壓氣體源620。參見圖71及81-83。但熟習此技藝者會理解到亦可有效地利用不可替換/再充氣的加壓氣體源(貯氣瓶)。在更其他實施例中,把手總成300可具備一用以從一外界加壓氣體源618供給加壓氣體的埠口616。舉例來說,器具3010可透過一可撓供氣線路617耦接於設施中之壓縮空氣供應器618。參見圖81A。
加壓氣體從貯氣瓶622(或外界壓力源618)通過一供氣線路650流入一傳統比例閥660。如圖78中特別顯示,比例閥660耦接於一附接至一啟動扳機670之供氣連桿662。在各實施例中,啟動扳機670被支承在擊發扳機310附近,該擊發扳機藉由一在右邊機殼構件320與左邊機殼構件330之間延伸的樞軸銷370可樞轉地耦合於把手總成300。將啟動扳機670向內朝擊發扳機310擠壓會導致比例閥660許可更多加壓氣體通過一供氣線路680流入定向閥1610內。視定向閥1610之位置而定,加壓氣體會流入供氣線路5050或5052內。舉例來說,當定向閥610被臨床醫師作動以伸長擊發桿30時,控制閥1610切換到前進位置致使前進通道1622許可加壓氣體從供氣線路680流入供氣線路5050內。流過供氣線路5050的氣體透過封閉端5012之第一供氣埠5013進入第一氣缸區5015且通過第一活塞頭5028中之開口5027並進入第三氣缸區5032。進入第三氣缸區5032的加壓氣體亦通過第二活塞頭5046之開口5047進入中空活塞缸5040內且迫使活塞缸5040往遠側移動。位於第四氣缸區5034內的氣體透過第二氣缸殼體5020之排氣口5023排出。相似地,位於第二氣缸區5018內的氣體被允許透過第二開口5029排入第二供氣線路5052內。第二供氣線路5052將排放的氣體送到定向閥1610之通道1624,由此最終從排氣通道1632排出。持續向第一氣缸區5015、第三氣缸區5032、及活塞缸5040之通道5048施予加壓氣體會導致活塞缸5040如圖73及79所示往遠側延伸。隨著活塞缸5040往遠側延伸,Z形連接器4040亦因其與活塞缸5040之遠端5044附接而往遠側延伸。Z形連接器4040迫使推桿4020往遠側移動,從而迫使擊發桿4030亦往遠側移動。隨著擊發桿4030往遠側移動,附接於該擊發桿的刀具總成30遠端部分31推進通過釘匣50以切斷終端作用器12夾緊之組織並擊發肘釘。一旦刀具總成30已被推進到其在終端作用器12中之最遠側位置,臨床醫師放開啟動扳機670以中斷加壓氣體之施加。
本實施例亦可具備一用以在刀具總成30已抵達其在釘匣50內之最遠側位置時作出指示的器件。特定言之,可提供一從供氣線路650延伸到遠側限制開關1770的遠側輔助線路1772。一遠側限制開關線路1774提供在遠側限制開關1770與定向控制閥1610之間。因此,當刀具總成30已完成擊發行程,遠側限制開關1770相對於氣缸總成5000之一部分定向為使該氣缸總成被該遠側限制開關之一部分作動。遠側限制開關1770許可空氣在壓力下從供氣線路650流到遠側限制開關線路1774並流入定向控制閥1610內,這在各實施例中會導致定向控制閥1610自動切換至倒轉位置,這如下文所述導致擊發桿4030縮回。在各實施例中,一第一氣笛1790或其他適當發聲裝置可與遠側限制開關線路1774(或遠側限制開關1770)連通,致使當遠側限制開關1770在擊發行程之末端被作動時,通過遠側限制開關線路1774的空氣作動第一氣笛1790向臨床醫師提供一聲音信號表示刀具總成30已抵達擊發行程之末端。在替代實施例中,氣笛1790可換成壓力開關壓力計或類似物以向臨床醫師提供刀具總成30何時抵達擊發行程末端之一指示。
要藉由氣力縮回擊發桿4030時,臨床醫師可押下按鈕1612將控制閥1610切換到倒轉位置且開始擠壓啟動扳機670,這導致加壓氣體流入第二供氣線路5052內。流過第二供氣線路5052的氣體進入第二氣缸區5018導致第二氣缸殼體5020往近側縮入第一氣缸殼體5010內。第一氣缸區5015內的氣體被允許經由第一供氣開口5013排入第一供氣線路5040內。通過第一供氣線路5040的氣體進入定向閥1610且由此從排氣口1632排出。一旦進入第二氣缸區5018的加壓氣體已導致第二氣缸殼體5020縮入第一氣缸殼體5010內,通過第二開口5029的氣體此時能夠通過第一氣缸殼體5010之排氣口5023流入第四氣缸區5034。隨著加壓氣體進入第四氣缸區5034,第二活塞頭5046將活塞缸5040往近側拉入第二氣缸殼體5020內。第三氣缸區5032內的氣體通過第一開口5027進入第一氣缸區5015內,由此依前文所述方式排洩。隨著活塞缸5040被縮回,Z形連接器4040往近側移動且隨之拉動與其附接的推桿4020及擊發桿4030。
在各實施例中,一近側輔助線路1662亦在一近側限制開關1760與供氣線路650之間延伸。近側限制開關1660相對於氣缸總成5000或連接器4040定向為當擊發桿4030以完全縮回時,近側限制開關1760被作動然後許可空氣流入一近側限制開關線路1764並流入定向控制閥1610以導致定向控制閥1610自動切換到停止位置。在替代實施例中,一第二氣笛1792或其他適當發聲裝置可與近側限制開關1760連通,致使當近側限制開關1760在回縮行程之末端被作動時,通過近側限制開關線路1764的空氣作動第二氣笛1792向臨床醫師提供另一聲音信號表示擊發桿4030和刀部分30已抵達回縮行程之末端。在其他實施例中,舉例來說,電池供電的發光二極體或其他發信裝置可與遠側和近側限制開關1770、1760聯繫以向使用者提供楔形滑橇/刀具已抵達擊發行程及/或回縮行程之末端時的另一指示。熟習此技藝者會輕易理解到如果臨床醫師想要在擊發行程期間停止擊發行程並縮回擊發桿和刀具,他或她必須以手動地將控制閥1610切換到倒轉位置的方式進行。
在以上所述實例中,臨床醫師並未使用本發明此實施例之獨特新穎回縮桿總成4000。回縮桿具有多項優點。首先,如果在擊發或回縮行程的過程中,氣動力譬如因為一空的供氣瓶620或是因為加壓氣體供應之意外中斷而意外喪失,臨床醫師可簡單地藉由手動地將控制閥1610切換到倒轉位置,抓住附接於回縮桿近端之握把4016並將該桿往近側方向拉動至擊發桿已完全縮回的方式手動縮回擊發桿(及刀具總成30)。參見圖83。將控制閥1610切換到倒轉位置會讓氣缸總成內的氣體在刀桿縮回時排掉。
本發明此實施例提供之另一優點是目視監測擊發桿及刀部分在擊發行程期間往遠側移動之擊發進程的能力。此優點可簡單地藉由在開始擊發行程之前將回縮桿拉到圖83所示其最近側位置的方式實現。當在該位置時,隨著氣缸總成5000將連接器4040、推桿4020及擊發桿4030往遠側推進,推桿4020藉由其與回縮桿4010之銷連接而將回縮桿4010隨之往遠側拉。在各實施例中,回縮桿4010之長度被提供為當擊發桿4030完全伸長時,回縮桿4010沒有任何部分從把手總成300突出。因此,臨床醫師可藉由觀察回縮桿4010從把手部分300突出之部分來判斷擊發桿4030及刀具總成30之進程。
在圖72A和83A所示替代實施例中,回縮桿4010可具備至少一個、較佳至少二個凹口4015以接收銷4014。熟習此技藝者會理解到此配置會向臨床醫師提供在回縮行程期間目視監測擊發桿4030及刀具總成30之進程的能力。特定言之,隨著擊發桿4030被縮回,推桿4020導致回縮桿4010因銷4014接合於凹口4015而往近側推進至殼體總成300外。因此,臨床醫師可藉由觀察回縮桿4010突出把手總成300外之距離而判斷出擊發桿4030在回縮行程期間已行進的距離。但當器具未在使用中時,回縮桿4010可被推入把手總成內如圖81所示位置。
儘管以上已說明本發明數個實施例,但應理解到熟習此技藝者可想出許多修改、變更及適應變化達成本發明之一些或全部優點。舉例來說,依據各實施例,單一組件可換成多個組件,且多個組件可換成單一組件,藉以執行一或多項已知機能。因此本申請案希望涵蓋所有此等修改、變更及適應變化而不脫離隨附申請專利範圍項所界定之發明精神及範圍。
本發明揭示的裝置可設計成在單次使用後丟棄,或者其可設計成欲多次使用。但不管是哪一種,裝置可在至少一次使用之後經再調整以供再次使用。再調整作業可包含下列步驟之一組合:將裝置分解,然後清潔或替換特定部件,然後再組裝。特定言之,裝置可被分解,且裝置之任何數量特定部件可依任何組合被選擇性地替換或移除。在特定部件清潔且/或替換之後,裝置可在一再調整設施或是由一外科團隊在一外科程序之後立即進行再組裝以供後續使用。熟習此技藝者會理解到裝置之再調整可運用分解、清潔/替換、及再組裝之許多不同技術。此等技術的運用以及得到的經再調整裝置全都在本申請案的範圍以內。
較佳來說,本說明書所述本發明會在外科手術之前經過處理。首先要取得一全新或用過的器具,且若有需要則清潔該器具。然後可消毒該器具。在一種消毒技術中,將該器具放在一封閉密封容器譬如一塑膠袋或TYVEK袋內。然後將該容器與器具放到一能夠穿透該容器之輻射場內,此輻射譬如是γ輻射、x射線、或更高能量電子。此輻射殺死器具上及容器內的細菌。然後將該經消毒的器具儲存在無菌容器中。密封容器保持器具無菌性直到該容器在醫療設施中被打開為止。
在本說明書中被稱為以全部或部分內容併入本文中的任何專利、公開案、或任何公示部分係僅以所併入內容不抵觸本說明書中提出之定義、聲明、或其他公示部分的程度併入本文中。因此,且就必須程度,本說明書明確提出的內容取代併入本文中有任何抵觸的部分。據稱併入本文中但抵觸本說明書中提出之定義、聲明、或其他公示部分的任何內容或其部分將僅以不致在所併入內容部分與既有公示內容部分之間引發衝突的程度併入。
本發明希望保護的內容不應被解釋成僅限於本說明書揭示之特定實施例。因此這些實施例應視為範例說明而非限制性。他人可不脫離本發明之精神作出變化及變更。因此,明確希望落入申請專利範圍項所定義之發明精神及範圍內的所有等效物、變化及變更均在涵蓋範圍以內。
10...外科釘合及切斷器具
12...終端作用器
20...長槽道
21...鎖定開口
22...附著穴
23...槽道槽孔
24...凹處
26...凹處
28...砧凸輪槽孔
30...刀具總成
31...遠側部分
32...上部銷
33...孔
34...刀棒帽
35...活塞桿
35’...階梯狀部分
36...中間銷
37...突出部
38...切割刃
39...鎖定突出部
39’...近側斜面
39”...遠側斜面
40...砧
42...砧穴
43...砧樞軸
44...縱向砧槽孔
46...砧開/關舌片
50...釘匣
51...匣主體
54...鉛直槽孔
56...釘匣上表面
58...釘孔
60...釘匣之加長特徵部
62...釘匣之加長特徵部
64...楔形滑橇
66...肘釘傳動器
68...匣托板
70...肘釘
100...長軸桿總成
102...脊總成
104...樞軸
110...遠側脊段
111...遠側方形孔
112...鎖簧
113...近側方形孔
114...槽道錨定構件
115...夾桿
116...鎖簧上臂
117...波紋管通道
118...鎖簧下臂
122...轂
123...連接點
124...孔
125...連接點
130...近側脊段
134...柄腳
136...孔
138...樞軸銷
140...銷
142...銷
150...帶構件
160...帶構件
170...閉合管總成
172...雙樞軸閉合接頭
174...上部雙樞軸連桿
175...遠側樞軸銷
176...近側樞軸銷
177...下部雙樞軸連桿
178...遠側樞軸銷
179...近側樞軸銷
180...遠側閉合管區段
182...上柄腳
183...插銷孔
184...下柄腳
185...馬蹄形孔
186...舌片
187...插銷孔
190...近側閉合管區段
191...軸向通道
192...上柄腳
193...插銷孔
194...下柄腳
195...插銷孔
196...止動溝
200...活節控制器
202...活節滑件
204...框架
206...封閉件
208...槽孔
210...連接點
212...連接點
300...把手總成
301...可釋鎖定機構
302...閉合扳機
303...可撓縱向臂
304...軛總成
305...銷
306...樞軸銷
310...擊發扳機
310’...相對位置扳機
320...右邊機殼構件
321...孔
322...右邊機殼構件之上部部分
323...左邊機殼構件之上部部分
324...右邊機殼構件之下部握把部分
326...右脊總成止動樁
328...軌道導件
330...左邊機殼構件
331...孔
332...上附接板部分
333...觸覺回饋配置
334...左邊機殼構件之下部握把部分;螺母部分(圖55)
335...槽孔
337...彈簧臂
340...主殼體部分
342...握把部分
344...主要附著部分
350...開口
352...楔
354...楔之下表面
356...凹口
358...可撓擋止
359...開口350之傾斜後壁
360...開口
367...上部滑軌
368...下部滑軌
369...斜面
370...樞軸銷
372...孔
380...鑲板
382...鑲板
384...上部滑軌之收納通道
400...閉合梭
402...梭之右邊部分
403...緊固栓
404...梭之左邊部分
405...右止動凸緣區段
406...槽孔
408...槽孔
410...導軌
411...導軌
412...連接器舌片
414...銷
430...閉合連桿總成
432...軛部分
434...閉合臂
436...閉合銷
500...傳動構件
501...氣缸總成
510...第一氣缸殼體
511...第一壁
512...第一近端
513...第一供氣埠
514...第一遠端
515...第一氣缸區
516...第一軸向通道
517...第一凸緣
518...第二氣缸區
519...耳軸
520...第二氣缸殼體
521...第二壁
522...第二近端
523...排氣口
524...第二遠端
525...第二凸緣
526...第二軸向通道
527...第一通道
528...第一活塞頭
529...第二供氣埠
530...第二活塞頭
532...第三氣缸區
534...第四氣缸區
540...第一供氣線路
540’...第一供氣線路區段
540”...第一供氣線路區段
541...壓力計
542...第二供氣線路
542’...第二供氣線路區段
542”...第二供氣線路區段
543...窗
545...聲音出口
546...限制開關
547...啟動構件
549...指示構件
600...驅動器系統
610...定向控制閥
612...選擇開關
616...埠口
617...可撓供氣線路
618...外界加壓氣體源
620...可移除/可再充氣加壓氣體源
622...貯氣瓶
624...液態物
626...膜片
628...蒸氣
630...真空源;貯氣瓶排洩端(圖57-58)
632...可撓真空線路;管集箱塊(圖57-58)
634...有螺紋埠口
636...供氣通道
637...遠端
638...針閥
639...點
640...壓力計
642...壓力計窺視窗
644...封閉管集室
645...埠口
646...無菌膜片
649...壓縮彈簧
650...供氣線路
651...供氣線路
660...比例閥
662...供氣連桿臂
670...啟動扳機
671...腔穴
680...供氣線路
800...氣缸總成
810...第一氣缸殼體
812...第一封閉端
813...第一供氣埠
815...第一氣缸區
817...第一凸緣
820...第二氣缸殼體
822...第二封閉近端
824...第二遠端
825...第二凸緣
827...第一開口
828...第一活塞頭
830...第二活塞頭
832...第三氣缸區
840...第一供氣線路
850...第一回縮彈簧
852...彈簧
900...波紋管總成
902...遠端
904...突出部
910...可擴張/縮回波紋管部分
912...金屬絲約束環
912’...啟動構件
914...基座部分
916...供氣埠
920...真空埠
922...真空線路
940...供氣線路
940’...供氣線路區段
940”...供氣線路區段
1000...快拆式接頭
1000’...快拆式接頭
1010...遠側軸桿總成
1012...近端
1020...近側軸桿總成
1022...遠端
1030...脊總成
1110...遠側脊段
1111...遠側方形孔
1113...近側方形孔
1114...近端
1115...夾桿
1116...遠側連接器部分
1117...第一遠側供氣埠
1117’...第三遠側供氣埠
1118...第一供氣噴嘴部分
1118’...第三供氣噴嘴部分
1119...凹口部分
1120...第二遠側供氣埠
1120’...第四遠側供氣埠
1122...第二供氣噴嘴部分
1122’...第四供氣噴嘴部分
1124...掣止構件
1126...可撓舌片
1150...近側脊段
1152...遠端
1154...第二連接器部分
1155...凹口部分
1156...第一近側供氣埠
1156’...第三近側供氣埠
1158...第一O環封
1158’...第三O環封
1160...第二近側供氣埠
1160’...第四近側供氣埠
1162...第二O環封
1162’...第四O環封
1170...中空套筒部分
1172...鎖定開口
1178...閉合管總成
1180...遠側閉合管區段
1182...近端
1184...鎖定舌片
1186...鎖定楔
1190...近側閉合管區段
1194...鎖定開口
1195...近端
1196...槽孔
1200...釋放套筒
1202...遠端
1204...釋放鈕
1206...第二斜切內緣
1300...第一遠側供氣埠
1306...近側供氣埠
1308...O環封
1500...外科切割及釘合器具
1512...終端作用器
1520...長槽道
1521...遠端
1522...軸承
1530...楔形滑橇總成
1532...滑橇部分
1538...刀部分
1540...脊總成
1542...近側脊段
1543...開口
1544...主傳動軸
1545...近端
1546...次級傳動軸
1546’...馬達傳動軸
1548...傳動齒輪
1548’...傳動齒輪
1550...斜齒輪總成
1552...斜齒輪
1554...傳動齒輪
1556...斜齒輪
1560...傳動螺桿
1562...近側傳動齒輪
1570...遠側脊段
1600...驅動器系統
1610...定向控制閥
1612...按鈕
1614...按鈕
1620...前進位置區段
1622...前進通道
1624...通道
1630...停止區段
1632...排氣埠
1640...倒轉區段
1660...近側限制開關
1662...近側輔助線路
1664...近側限制開關線路
1700...供氣/排氣線路
1710...供氣/排氣線路
1730...氣動馬達
1730’...氣動馬達
1732...輸出軸
1734...第一傳動齒輪
1736...第二傳動齒輪
1738...輸入軸
1740...行星齒輪總成
1742...輸出軸
1743...聯軸構件
1750...回饋齒輪
1752...刀位置齒輪
1754...刀位置軸
1756...近端
1758...遠端
1760...近側限制開關
1770...遠側限制開關
1772...遠側輔助線路
1774...遠側限制開關線路
1780...刀指示器
1790...第一氣笛
1792...第二氣笛
1800...回饋連桿總成
1801...有螺紋手動回饋軸
1802...萬向接頭部分
1804...手動回饋齒輪
1900...閉鎖系統
1902...計數器
1904...阻隔總成
1906...軸
1908...轂
1910...分度輪
1912...偏動構件
1914...突出部
1914’...突出部
1914”...突出部
1916...六角形開口
1918...開口
1920...阻隔構件
1922...阻隔構件導件
1924...閘構件
1926...偏動構件
1930...釋放系統
1932...釋放鈕
1934...釋放構件
1936...釋放斜面
1938...釋放銷
1940...鎖簧
1942...頂出簧
2000...外科切割及釘合器具
2002...氣動活節接頭總成
2004...脊總成
2010...遠側脊段
2012...近端
2014...樞軸構件
2016...驅動器片
2030...近側脊段
2032...遠端
2034...樞軸承窩
2036...溝
2038...溝
2040...第一鉛直供氣通道
2042...第三供氣線路
2042’...第三供氣線路區段
2042”...第三供氣線路區段
2044...第三供氣埠
2045...第三供氣通道
2050...第二鉛直供氣通道
2052...第四供氣線路
2052’...第四供氣線路區段
2052”...第四供氣線路區段
2054...第四供氣埠
2055...第四供氣通道
2060...蓋
2062...螺釘
2100...開關總成
2110...開關塊
2111...樞軸孔
2112...供氣埠
2113...開關塊之底部表面
2114...開關腔
2116...供氣通道
2118...管集箱區
2130...選擇器構件總成
2150...主體部分
2151...樞軸桿
2152...O環封
2153...回行桿
2154...O環封
2155...底切排氣區
2156...短桿
2158...選擇器把手
2160...中央供氣埠
2170...第四排氣通道
2180...第三排氣通道
2190...回動簧
2192...圓突部
2193...槽孔
2194...圓突部
2195...槽孔
2196...回動簧之自由端
2198...回動簧之自由端
3010...氣動外科切割及緊固裝置
3102...脊總成
3104...近側脊段
3105...近端
3106...遠側脊段
3110...右止動樁
3112...左止動樁
3190...閉合管
3192...遠端
3194...馬蹄形孔
3196...脊總成之近端
3400...梭總成
3402...梭總成之右邊部分
3403...開口
3404...梭總成之左邊部分
3405...右止動凸緣區段
3406...開口
3408...開口
3410...導軌
3411...導軌
3412...連接器片
3414...銷
3416...鉛直支撐壁
3418...鉛直支撐壁
3420...推桿開口
3430...閉合連桿總成
3432...軛部分
3434...閉合臂
4000...回縮桿總成
4010...回縮桿
4011...近端
4012...槽孔
4014...銷
4015...凹口
4016...回縮握把
4020...推桿
4022...遠端
4024...連接器孔
4026...推桿之近端
4028...連接樁
4030...擊發桿
4032...近端
4034...連接器部分
4040...Z形連接器部件
4041...近端
4042...附接舌片
4045...Z形連接器部件之遠端
4046...遠側附接舌片
4049...開口
5000...氣動缸總成
5010...第一氣缸殼體
5011...第一壁
5012...第一封閉近端
5013...第一供氣埠
5014...第一開放遠端
5015...第一氣缸區
5016...第一軸向通道
5017...第一凸緣
5018...第二氣缸區
5020...第二氣缸殼體
5021...第二壁
5022...第二近端
5023...排氣口
5024...第二開放遠端
5025...第二凸緣
5026...第二軸向通道
5027...第一通道
5028...第一活塞頭
5029...第二埠
5032...第三氣缸區
5034...第四氣缸區
5040...活塞缸
5042...近端
5044...封閉遠端
5046...第二活塞頭
5047...開口
5048...通道
5050...第一供氣線路
5052...第二供氣線路
圖1是一本發明之一外科切割及緊固器具實施例的透視圖;圖2是一可搭配本發明各實施例使用之終端作用器配置的分解組裝圖;圖3是一圖1和2之終端作用器的俯視圖,其中砧部分已自其移除且閉合管總成以虛線繪出;圖4是一圖3之終端作用器的側視剖面圖,其中砧部分與其附接且處於一開啟位置;圖5是一可用在本發明各實施例之活節控制器之一部分的俯視剖面圖;圖6是一圖1所示終端作用器之活節的俯視剖面圖;圖7是一例示一閉合管總成及被支承在把手總成內之梭配置之一實施例的分解組裝圖,其中裝在殼體總成內的其他組件經省略以求圖面簡潔;圖8是一本發明各實施例之殼體總成配置的剖面圖;圖8A是一可搭配本發明各實施例使用之閉合扳機鎖定系統之一部分的局部剖面圖;圖8B是一本發明之另一把手總成實施例的剖面圖,其中加壓氣體源在把手總成以外;圖8C是一本發明之另一把手總成實施例的剖面圖;圖9是一圖8把手總成的另一剖面圖;圖10是一本發明各實施例之一刀桿配置及包括一兩段式氣缸總成之擊發傳動構件的側視圖,其中氣缸總成係以剖面示出;圖11是圖10所示刀桿及兩段式氣缸配置的另一側視圖,其中刀桿處於伸長位置;圖12是一本發明之另一刀桿及擊發傳動構件配置的側視圖,其中刀桿正在縮入一以剖面示出的氣缸總成內;圖13是圖12所示刀桿及氣缸配置的另一側視圖,其中刀桿處於伸長位置;圖14是一容納圖12和13所示氣缸及刀桿配置之終端作用器及脊總成的俯視圖;圖15是一圖14所示終端作用器及脊總成的側視剖面圖,其中砧部分與其附接且處於開啟位置;圖16是一可搭配圖12-15所示實施例使用之把手總成的剖面圖;圖16A是一可搭配圖12-15所示實施例使用之另一把手總成的剖面圖,其中加壓氣體源在把手總成以外;圖16B是一本發明之另一把手總成實施例的剖面圖;圖17是一支承本發明另一實施例呈一波紋管總成形式之另一擊發傳動構件的另一刀桿及脊總成的俯視圖;圖18是一圖17所示實施例之終端作用器及脊總成配置的側視剖面圖;圖19是一圖17和18所示實施例之波紋管總成的局部剖面組裝圖;圖20是一圖19波紋管總成之一部分的放大圖;圖21是一可搭配圖17-20所示實施例使用之把手總成實施例的剖面圖;圖21A是一可搭配圖17-20所示實施例使用之另一把手總成實施例的剖面圖,其中加壓氣體源在把手總成以外;圖21B是一本發明之另一把手總成實施例的剖面圖;圖22是一依據本發明其他實施例之另一外科切割及緊固器具的透視圖;圖23是一圖22所示實施例之終端作用器及脊總成的側視剖面圖;圖24是一圖22和23之實施例之快拆式接頭配置在遠側軸桿總成耦接於近側軸桿總成之前的剖面圖;圖25是一沿圖24之線25-25取得的近側軸桿總成的剖面圖;圖26是一附接於近側軸桿總成之遠側軸桿總成的局部透視圖,其中遠側軸桿總成之一部分經省略以求圖面簡潔;圖27是一圖24-26之實施例之接頭總成的側視剖面圖,其中遠側軸桿總成已耦接於近側軸桿總成;圖28是一遠側軸桿總成之一部分在附接於近側軸桿總成之一部分之前的透視圖;圖29是一可用在圖12-16A所示實施例之另一快拆式接頭配置的局部剖面圖;圖30是一沿圖29之線30-30取得的近側軸桿總成的剖面圖;圖31是一可搭配圖22-30所示實施例使用之近側軸桿總成之一部分的透視圖;圖32是一本發明之另一外科切割及緊固器具的透視圖,其使用本發明各實施例之一氣力作動活節接頭;圖33是一圖32所示實施例將一遠側脊段附接至一近側脊段之活節接頭之一部分的局部透視圖;圖34是圖33活節接頭配置的另一透視圖,其中蓋已移除且例示遠側脊段相對於近側脊段進行活節運動;圖35是一圖33和34之活節接頭配置的分解組裝圖;圖36是一圖33-35之接頭總成的側剖面圖;圖37是一本發明之開關總成實施例的透視圖;圖38是一圖37開關總成的側視圖;圖39是一沿圖37之線39-39取得的圖37和38開關總成的剖面圖;圖40是一沿圖38之線40-40取得之處於關位置的開關總成的剖面圖;圖41是處於一已作動位置之圖37-40開關總成的另一剖面圖;圖42是一沿圖41之線42-42取得的圖41開關總成的剖面圖;圖43是一圖37-42開關總成的仰視圖;圖44是一具有圖37-43之開關總成且裝有一加壓氣體源的把手總成的剖面圖;圖45是一在內部具有圖37-43之開關總成的把手總成的剖面圖,且其中加壓氣體源在把手總成以外;圖46是一本發明之另一外科釘合及切割器具的透視圖,其使用圖33-36所示活節接頭實施例及圖23-31所示快拆式接頭實施例;圖47是一圖46之實施例之快拆式接頭配置在遠側軸桿總成耦接於近側軸桿總成之前的剖面圖;圖48是一沿圖47之線48-48取得的圖47之實施例之接頭總成的剖面圖;圖49是一本發明之另一外科切割及緊固器具的透視圖;圖50是一可搭配圖49所示實施例使用之終端作用器配置的分解組裝圖;圖51是一可搭配圖49所示實施例使用之終端作用器配置、脊總成及閉合管總成的分解組裝圖;圖52是一圖51終端作用器、脊總成及閉合管總成的側視剖面圖,其中砧部分經省略以求圖面簡潔;圖52A是一本發明之另一非限制性實施例之終端作用器、脊總成及閉合管總成的側視剖面圖,其中氣動馬達被支承在遠離把手總成之處;圖52B是一本發明之另一非限制性實施例之終端作用器、脊總成及閉合管總成的側視剖面圖,其中氣動馬達被支承在遠離把手總成之處;圖53是一可搭配圖49之實施例使用的把手總成的剖面圖;圖53A是一可搭配圖49之實施例使用的另一把手總成的剖面圖,其中加壓氣體源在把手總成以外;圖54是圖53之把手總成的另一剖面圖;圖55是一本發明各實施例之相對位置擊發扳機配置的側視圖;圖56是一可搭配本發明各實施例使用之本發明控制系統實施例的簡圖;圖57是一從本發明各把手總成實施例之一主要附著部分卸下之一可卸式握把部分的剖面圖;圖58是一顯示可卸式握把部分耦接於本發明各實施例之一把手部分之主要附著部分的局部剖面圖;圖59是一圖58之可卸式握把部分及主要附著部分的局部剖面圖,其中管集箱及氣缸相關組件經省略以求圖面簡潔;圖60是一沿圖59之線60-60取得的圖58和59之可卸式握把部分及主要附著部分的剖面圖;圖61是一沿圖59之線61-6l取得的圖58、59和60之可卸式握把部分及主要附著部分的剖面圖;圖62是一沿圖59之線62-62取得的圖58-61之可卸式握把部分及主要附著部分的剖面圖;圖63是一沿圖59之線63-63取得的圖58-62之可卸式握把部分及主要附著部分的另一局部剖面圖;圖64是一處於一初始位置之本發明閉鎖系統實施例的簡圖;圖65是圖64之閉鎖系統的另一簡圖,其例示閉鎖系統在握把部分開始附接於把手總成之主要附著部分時的動作;圖66是圖64和65之閉鎖系統在握把部分第二次卸離把手總成之主要附著部分之前的另一簡圖;圖67是圖64-66之閉鎖系統的另一簡圖,其例示系統組件在握把部分已附接於主要附著部分時的位置;圖68是圖64-67之閉鎖系統的另一簡圖,其例示系統組件在握把部分第二次附接於主要附著部分期間的位置;圖69是例示在握把部分已第二次且最後一次附接於主要附著部分之後的閉鎖系統另一簡圖;圖70是一本發明之另一外科切割及緊固器具的透視圖;圖71是一可搭配圖70所示器具使用之把手總成實施例的剖面圖;圖72是一本發明各實施例之梭及回縮桿總成的分解組裝圖;圖72A是一本發明其他實施例之梭及回縮桿總成的分解組裝圖;圖73是一圖72所示組件的組合圖,其中其氣缸總成處於一完全伸長位置;圖74是一本發明之梭總成的後視圖;圖75是圖74梭總成的另一後視圖,其中回縮桿及推桿伸入推桿開口內且推桿附接於連接器構件;圖76是一梭總成之左邊部分的後視透視圖;圖77是梭總成之左邊部分的另一後視透視圖;圖78是一可用於圖70-77所示實施例之控制系統配置的的簡圖;圖79是一圖70-78所示實施例之把手總成配置的俯視剖面圖,其中氣缸總成處於一伸長位置;圖80是圖70-79所示實施例之把手總成配置的另一俯視剖面圖,其中氣缸總成處於一回縮位置;圖81是一圖70-80所示實施例之把手總成的剖面圖;圖81A是一可用於圖70-80所示實施例之把手總成實施例的剖面圖,其中加壓氣體源在把手總成以外;圖82是圖81之把手總成的另一剖面圖,其中氣缸總成伸長;圖83是圖81之把手總成的另一剖面圖,其中氣缸總成縮回;且圖83A是一圖72B所示實施例之把手總成的剖面圖,其中氣缸總成縮回且擊發桿處於其最近側位置。
10...外科釘合及切斷器具
12...終端作用器
100...長軸桿總成
104...樞軸
200...活節控制器
300...把手總成
302...閉合扳機
310...擊發扳機
320...右邊機殼構件
330...左邊機殼構件
340...主殼體部分
342...握把部分
612...選擇開關

Claims (12)

  1. 一種外科器具,包括:一遠端構件,其經建構用以支承一氣力操作工具總成;一長軸桿總成,其有一與該遠端構件結合之遠端部分以及一近端部分;及一傳動構件,其被該長軸桿總成之該遠端部分支承且流體耦合於一氣動力源,該傳動構件經建構用以在從氣動力源接收至少一氣力傳動信號之後向該遠端構件支承的該氣力操作工具總成選擇性地施加至少二線性驅動運動;其中該傳動構件包括一被該長軸桿總成之該遠端部分支承的氣力作動氣缸總成;及其中該氣力作動氣缸總成包括:一第一氣缸殼體,其流體耦合於該氣動力源;一第二氣缸殼體,其收納在該第一氣缸殼體內且可在一第一氣力傳動信號施加於該第一氣缸殼體後相對於該第一氣缸殼體選擇性地伸長,並可在一第二氣力傳動信號施加於該第一氣缸殼體後選擇性地縮回於該第一氣缸殼體;及一活塞總成,其收納在該第二氣缸殼體內且可回應該第一和第二氣力傳動信號施加於該第一氣缸殼體而相對於該第二氣缸殼體選擇性地伸長及縮回,該活塞總成經建構用以將第一和第二驅動運動 傳輸至該遠端構件收納的該氣力操作工具總成。
  2. 如申請專利範圍第1項之外科器具,其中該傳動構件包括一被該長軸桿總成之該遠端部分支承的氣力作動波紋管總成。
  3. 如申請專利範圍第1項之外科器具,其中該長軸桿總成之該遠端部分可樞轉地耦合於該長軸桿總成之該近端部分致使經建構用以收納該氣力操作工具總成的該遠端構件可相對於附接於該長軸桿總成之該近端部分的驅動機構選擇性地進行活節運動。
  4. 如申請專利範圍第1項之外科器具,其中該長軸桿總成之該遠端部分可選擇性地卸離該長軸桿總成之該近端部分。
  5. 如申請專利範圍第3項之外科器具,其中該長軸桿總成之該遠端部分及該近端部分其中一者於其內有一可選擇性樞轉的活節接頭,且其中該遠端部分可選擇性地卸離該長軸桿總成之該近端部分。
  6. 如申請專利範圍第1項之外科器具,其更包括:一把手總成;及一驅動機構,其被該把手總成支承且與該氣動力源及該傳動構件可操作地聯繫,該驅動機構經建構用以選擇性地控制該等氣力傳動信號從該氣動力源至該傳動構件之施加。
  7. 一種外科器具,包括:一遠端構件,其經建構用以支承一氣力操作工具總 成;一長軸桿總成,其有一與該遠端構件結合之遠端部分以及一近端部分;及一傳動構件,其被該長軸桿總成之該遠端部分支承且流體耦合於一氣動力源,該傳動構件經建構用以在從氣動力源接收至少一氣力傳動信號之後向該遠端構件支承的該氣力操作工具總成選擇性地施加至少二線性驅動運動;其中該傳動構件包括一被該長軸桿總成之該遠端部分支承的氣力作動氣缸總成;及其中該氣力作動氣缸總成包括:一第一氣缸殼體,其流體耦合於該氣動力源;一第二氣缸殼體,其收納在該第一氣缸殼體內且可在一第一氣力傳動信號施加於該第一氣缸殼體後相對於該第一氣缸殼體選擇性地伸長並可在該第一氣力傳動信號中止施加於該第一氣缸殼體後相對於該第一氣缸殼體選擇性地縮回;及一活塞總成,其收納在該第二氣缸殼體內且可在該第一氣力信號施加於該第一氣缸殼體後伸出該第二氣缸殼體外並可在該第一氣力信號中止施加於該第一氣缸殼體後縮入該第二氣缸殼體內,該活塞總成經建構用以在該氣力操作工具總成係收納於該遠端構件內時將第一和第二驅動運動傳輸至該氣力操作工具總成。
  8. 如申請專利範圍第7項之外科器具,其更包括:一第一回縮構件,其位於該第一和第二氣缸殼體之間用以在該第一氣力信號中止施加於該第一氣缸殼體後將該第二氣缸殼體縮入該第一氣缸殼體內;及一第二回縮構件,其位於該第二氣缸殼體與該活塞總成之間用以在該第一氣力信號中止施加於該第一氣缸殼體後將該活塞總成縮入該第二氣缸殼體內。
  9. 一種處理用於外科手術之器具的方法,該方法包括:取得如申請專利範圍第1項之該外科器具;消毒該外科器具;且將該器具儲存於一無菌容器內。
  10. 一種外科器具,包括:一把手總成;一長軸桿總成,其有一可操作地耦接於該把手總成的近端部分,該長軸桿總成更有一遠端部分;用以可操作地支承耦接於該長軸桿總成之一氣力操作工具總成的器件;及用以回應來自與其流體耦合之一氣動力源之至少一氣力傳動信號以產生至少一線性驅動力以供施加於被該可操作支承器件所支承之氣力操作工具總成的器件,該產生器件係由該長軸桿總成之該遠端所支承。
  11. 如申請專利範圍第10項之外科器具,其中該產生器件包括一從由一氣力作動氣缸總成及一氣力作動波紋管總成組成之群中選出的傳動構件。
  12. 如申請專利範圍第10項之外科器具,其中該氣動力源係由該把手總成所支承。
TW096128138A 2006-08-02 2007-08-01 具有遠端驅動器的氣動外科切割及緊固器具 TWI462721B (zh)

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CN101116624A (zh) 2008-02-06
AU2007203209A1 (en) 2008-02-21
CA2594941A1 (en) 2008-02-02
CN101116624B (zh) 2011-06-01
JP5138304B2 (ja) 2013-02-06
TW200808255A (en) 2008-02-16
KR101363298B1 (ko) 2014-02-18
BRPI0703297A (pt) 2008-03-25
MX2007009307A (es) 2009-01-29
RU2478347C2 (ru) 2013-04-10
EP1908411A2 (en) 2008-04-09
JP2008036424A (ja) 2008-02-21
IL184584A0 (en) 2008-01-20
AU2007203209B2 (en) 2012-08-02
SG139694A1 (en) 2008-02-29
RU2007129536A (ru) 2009-02-10
KR20080012205A (ko) 2008-02-11
US20080029574A1 (en) 2008-02-07
EP1908411A3 (en) 2009-03-11

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