TWI336369B - Cassette clamping mechanism - Google Patents

Cassette clamping mechanism Download PDF

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Publication number
TWI336369B
TWI336369B TW96120976A TW96120976A TWI336369B TW I336369 B TWI336369 B TW I336369B TW 96120976 A TW96120976 A TW 96120976A TW 96120976 A TW96120976 A TW 96120976A TW I336369 B TWI336369 B TW I336369B
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reference link
pivotally connected
frame
actuating wheel
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TW96120976A
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TW200811369A (en
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David L Williams
Michael Bowman
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Alcon Inc
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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B43/00—Machines, pumps, or pumping installations having flexible working members
    • F04B43/12—Machines, pumps, or pumping installations having flexible working members having peristaltic action
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES 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
    • A61M1/00—Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
    • A61M1/71—Suction drainage systems
    • A61M1/77—Suction-irrigation systems
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES 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
    • A61M1/00—Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
    • A61M1/71—Suction drainage systems
    • A61M1/72—Cassettes forming partially or totally the fluid circuit
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES 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
    • A61M1/00—Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
    • A61M1/90—Negative pressure wound therapy devices, i.e. devices for applying suction to a wound to promote healing, e.g. including a vacuum dressing
    • A61M1/92—Negative pressure wound therapy devices, i.e. devices for applying suction to a wound to promote healing, e.g. including a vacuum dressing with liquid supply means
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01B—MACHINES OR ENGINES, IN GENERAL OR OF POSITIVE-DISPLACEMENT TYPE, e.g. STEAM ENGINES
    • F01B1/00—Reciprocating-piston machines or engines characterised by number or relative disposition of cylinders or by being built-up from separate cylinder-crankcase elements
    • F01B1/02—Reciprocating-piston machines or engines characterised by number or relative disposition of cylinders or by being built-up from separate cylinder-crankcase elements with cylinders all in one line
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES 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
    • A61M2205/00—General characteristics of the apparatus
    • A61M2205/12—General characteristics of the apparatus with interchangeable cassettes forming partially or totally the fluid circuit
    • A61M2205/121—General characteristics of the apparatus with interchangeable cassettes forming partially or totally the fluid circuit interface between cassette and base
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T292/00—Closure fasteners
    • Y10T292/20—Clamps
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T292/00—Closure fasteners
    • Y10T292/20—Clamps
    • Y10T292/225—Cam-operating means

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  • Health & Medical Sciences (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Engineering & Computer Science (AREA)
  • Vascular Medicine (AREA)
  • Anesthesiology (AREA)
  • Biomedical Technology (AREA)
  • Hematology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Pulmonology (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Manipulator (AREA)
  • Jigs For Machine Tools (AREA)
  • Actuator (AREA)
  • Surgical Instruments (AREA)
  • External Artificial Organs (AREA)
  • Accommodation For Nursing Or Treatment Tables (AREA)
  • Folding Of Thin Sheet-Like Materials, Special Discharging Devices, And Others (AREA)
  • Sheets, Magazines, And Separation Thereof (AREA)
  • Advancing Webs (AREA)

Description

1336369 九、發明說明： 發明領域 本發明概有關於一種蠕動式泵’更詳言之，是有關於 5 一種夾持機構，使用於眼科手術設備射流卡匣。 C先前技 發明背景 大多數習用的螺動式泵是藉由使用一旋轉滾輪頭墨靖 或擠壓彈性管（有時是在一固定軸環之間）的長度來運作。 10 當該滾輪頭旋轉時，滚輪會捏掉該管的一部分且將陷於节 管内的任何流體以旋轉的方向推於該等滾輪之間。續動式 泵由於其具有可預測、恆定的流動特性，因而廣泛使用於 醫療應用上。然而，這些習用系統-般需要以手動將果管 體段部連接繞於該旋轉滾輪頭。 15 另一種習用泵是揭示於美國專利號碼6,293,926B1 (Sorensen等人），其說明一種蠕動式泵，具有一模製流遒包 含於一彈性片體上，該彈性片體是接合或機械性附著於一 堅硬基材上。該等泵頭滾輪是自該泵馬達的旋轉軸徑向安 裝且將該等彈性體流道壓緊抵於該堅硬基材上。為可完全 20 將該等流道壓緊抵於該堅硬基材上，而藉以使泵系統的效 率達到最大’該卡£必須被緊實固持於該等泵滾輪上。另 一方面，該卡匣亦必須可容易組裝於手術操作台上且自手 術操作台移除。揭示於美國專利公開號碼 20030202894(LeUkanech等人）中的-卡_鎖機構，揭承一 5 1336369 卡匣閂鎖機構具有一馬達可旋轉一閂鎖輪，以使一對閂鎖 臂產生如凸輪的移動，藉以將閂鎖執柩接於一完全關閉及 鎖固位置以固持該卡匣。使用於此裝置内的DC伺服馬達相 當昂貴且作動上相當不連貫。 5 據此，一種具有順暢受控制移動之不昂貴的卡匣夾持 . 機構之需求仍繼續存在。 【發明内容3 發明概要 本發明是藉由提供一種具有一對枢接卡匣夾持桿體的 10 機構，來改善習用卡匣夾持機構。該等夾持桿體是經由一 連串的連桿及一致動輪連接於一氣動汽缸或一電機致動 器，以致於該氣動汽缸或電機致動器的伸縮可使該等夾持 桿體旋轉及反轉。使用氣動汽缸可提供該等夾持桿體順 暢、控制佳的移動。 · 15 據此，本發明的一目的在於提供一種卡匣夾持機構。 本發明的另一目的在於提供一種受氣動控制之卡匣夾 持機構。 本發明的另一目的在於提供一種具有順暢、受控制的 移動之卡匣夹持機構。 20 本發明的再一目的在於提供一種相當便宜之卡匣夾持 機構。 本發明的又一目的在於提供一種在一小包圍尺寸内相 當高力且長程的機構。 本發明的這些及其他優點及目的將可由以下詳細說 ⑧ 6 明圖式及申请專利範圍而得以瞭解。 圖式簡單說明 第1圖疋本發明的卡匣夾持機構總成之前透視圖； 第2圖疋本發明的卡匣夾持機構的致動次總成的第一 實施例之前透视圖； 第3圖疋本發明的卡匣夾持機構的卡匣納置部之前透 視圖； 第4圖如第3圖所示該卡匣夾持機構的卡匣納置部之分 解透視圖； 第5圖是可與本發明的夾持機構共用的一卡匣之前透 視圖； 第6圖是可結合本發明的卡匣夾持機構總成的手術操 作台之前透視圖；及 第7圖是本發明的卡匣夾持機構的致動次總成的第二 實施例之前透視圖。 【實施方式】 較佳實施例之詳細說明 由第1圖可見，本發明的卡匣夹持機構丨〇概包含致動次 總成12及卡匣納置部14。致動次總成12概包含下撐架16、 上撐架18、參考連桿總成2〇、氣動汽缸22及傳送連桿24。 上撐架18及下撐架16連接於撐架加固體26處，以可將撐架 16及18堅固地固持在一起。參考連桿2〇藉桿或銷28樞接於 下撐架16。汽缸22藉銷30樞接於參考連桿20而相對於銷 28。銷30亦將傳送連桿24樞接於參考連桿20。汽缸22亦於 樓架加固體26處藉銷32樞接於上撐架18及下撐架16而相對 於銷30。藉此，汽缸22的伸縮會造成參考連桿2〇繞銷28樞 轉’藉以將傳送連桿24升起及降下。 如第3、4及6圖可見，卡匣納置部14是顯露於手術操作 台200上的外側，且概由致動輪34、上連桿36、下連桿38、 上夾體40、下夾體42及卡匣面板44所組成。上連桿36及下 連桿38是藉銷46連接於致動輪34。上連桿36是藉銷48連接 於上夹體40上的臂部41 ’且下連桿38是藉銷50連接於下夾 體42上的臂部43。上連桿36及下連桿38分別包含中間彈簧 37及39 ’其容許連桿36及38可壓縮及回彈。此構造容許機 構10可補償因構成卡匣100時的製造的變動，而不致損害到 卡匣100。上夾體40及下夾體42是組裝於側軌52上且樞接於 側軌52内的孔54中。該夾體/側軌次總成再附接於卡匣面板 44。如此組裝方式，使致動輪34的順時針旋轉會拉動連桿 36及38向下，造成上夾體40以順時針旋轉而下夾體42以反 時針旋轉。致動輪34的反時針旋轉會拉動連桿36及38向 上，造成上夾體40以反時針旋轉而下夾體42以順時針旋 轉。致動輪34是藉銷154連接於傳送連桿24。臂部41及43的 偏心導向會造成炎體40及42過中心旋轉（over-center rotation)。夾體40及42的過中心旋轉（over-center rotation)會 造成夾體40及42於汽缸22的氣壓減低情形時自我鎖固。 使用時，如上所述，汽缸22的伸縮會造成參考連桿20 繞銷28枢轉，藉以升起及降下傳送連桿24。交互地升起及 降下傳送連桿24會造成致動輪34以順時針及反時針旋轉， 1336369 10 15 20 藉以使上失體40及下夹體42旋轉及反轉。上夾體4〇及下夾 體42包含數夾持面或指部％，其與卡匣1〇〇的失持面1〇2共 同作動。當卡匣100組裝於機構10的卡匣納置部14中時、 夾體40的順時針旋轉及下夾體42的反時針旋轉可作用、上 該卡匣拉入卡匣納置部14内且將該卡匣推抵於卡匣X將 上，藉以將該卡匣緊固於面板44上。 板44 如第7圖可見，於本發明的第二實施例中，將例如+ 22的氣動裝置取代掉，以使連桿2〇的移動改由電機聿置飞缸 的作動造成，且該電機裝置122是例如電磁閥或電動I 122 動的線性致動器。 ’·、、達驅 以上《兑明是用於舉例說明及解釋之用。吾人將時 於相關技藝人士可對上述本發明作變化及變更，而 沭 離其範圍或精神。 脫 【陶式簡單説明】 第1圖是本發明的卡匣夾持機構總成之前透視圖； 第2圖是本發明的卡匣夾持機構的致動次總成的第一 實施例之前透視圖； 第3圖是本發明的卡匣失持機構的卡匣納置部之^ 視圖； ％透 第4圖如第3圖所示該卡g失持機構的卡昆納置八 解透視圖； 分 第5圖是可與本發明的夾持機構共用的—卡匣之前透 視圖 第6圖是可結合本發明的卡匣夾持機構總成的 手術操 9 1336369 作台之前透視圖；及 第7圖是本發明的卡匣夾持機構的致動次總成的第二 實施例之前透視圖。 【主要元件符號說明】 ⑧ 10…卡匣夾持機構 38…下連桿 12…致動次總成 40…上夾體 14…卡匣納置部 41，43…臂部 16…下樓架 42…下夾體 18…上撐架 44—面板 20…參考連桿總成 46,48,50,54···^ 22…氣動汽缸 52…側軌 24…傳送連桿 54".孔 26…撐架加固體 56···夾持面或指部 28,30,32…銷 100…卡匡 34···致動輪 102…夾持面 36…上連桿 200…手術操作台 37,39…中間彈簧 10

Claims (1)

1336369 第96120976號申請案申請專利範圍修正本 99.09.17. 十、申請專利範圍： 1. 一種卡匣炎持機構，包括： 一架體； 一氣動汽缸； 5 一參考連桿，該參考連桿之一第一端柩接於該架 體，及該參考連桿之一第二端枢接於該氣動汽缸，以致 於該氣動汽缸的伸縮造成該參考連桿相對於該架體枢 轉； 一致動輪，其樞接於該參考連桿的第二端，以致於 10 該參考連桿的樞轉造成該致動輪的旋轉，其中該致動輪 經由一傳送連桿樞接於該參考連桿；及 一對反向旋轉夾體，其等附接於該致動輪； 其中，該氣動汽缸是於該氣動汽缸之一第一端枢接 於該架體，且於該氣動汽缸之一第二端樞接於該參考連 15 桿，以致於藉由該氣動汽缸之伸展而使該對反向旋轉夾 體發生夾持作用。 2. 如申請專利範圍第1項之卡匣夾持機構，其中每一夾體是 經由一彈簧承載連桿附接於該致動輪。 3. 如申請專利範圍第1項之卡匣夾持機構，其中該對夾體適 20 用於嚙合一卡匣，且其中該對夾體是附接於該致動輪， 致使該致動輪的旋轉造成該等夾體相對於彼此反向旋 轉。 4. 一種卡匣夾持機構，包括： 一架體； 11 1336369 一電動馬達； 一線性致動器，被組配為受該電動馬達驅動； 一參考連桿，該參考連桿之一第一端樞接於該架 體，及該參考連桿之一第二端枢接於該線性致動器，以 5 致於該電動馬達驅動之線性致動器的伸縮造成該參考 連桿相對於該架體樞轉； 一致動輪，其樞接於該參考連桿的第二端，以致於 該參考連桿的框轉造成該致動輪的旋轉，其中該致動輪 是經由一傳送連桿樞接於該參考連桿；及 10 一對反向旋轉夾體，其等附接於該致動輪； 其中，該線性致動器是於該線性致動器之一第一端 柩接於該架體，且於該線性致動器之一第二端樞接於該 參考連桿，以致於藉由該電動馬達驅動之該線性致動器 之伸展而使該對反向旋轉夾體發生夾持作用。 15 5.如申請專利範圍第4項之卡匣夾持機構，其中每一夾體是 經由一彈簧承載連桿附接於該致動輪。 6. 如申請專利範圍第4項之卡匣夾持機構，其中該對夾體適 用於嚙合一卡匣，且其中該對夾體是附接於該致動輪， 致使該致動輪的旋轉造成該等夾體相對於彼此反向旋 20 轉。 7. —種卡匣夾持機構，包括： 一架體； 一致動器 一參考連桿，該參考連桿之一第一端樞接於該架 ⑧ 12 1336369 體，及該參考連桿之一第二端樞接於該致動器，以致於 該致動器的伸縮造成該參考連桿相對於該架體樞轉； 一致動輪，其樞接於該參考連桿的第二端，以致於 該參考連桿的樞轉造成該致動輪的旋轉，其中該致動輪 5 是經由一傳送連桿樞接於該參考連桿；及 一對反向旋轉夾體’其等附接於該致動輪； 其中，該致動器是於該致動器之一第一端枢接於該 架體，且於該致動器之一第二端樞接於該參考連桿，以 致於藉由該致動器之伸展而使該對反向旋轉夾體發生 10 夾持作用。 8.如申4專利範圍第7項之卡匿夾持機構，其中該致動器是 一電磁閥。 9·如申請專利範圍第7項之卡®夾持機構 ，其中每一夾體是 $ 經由-彈簧承載連桿附接於該致動輪。 申月專利圍第7項之卡匣夾持機構，其中該對夾體 k用於喷合--，0甘& 且其中該對夾體是附接於該致動 使°亥致動輪的旋轉造成該等夾體相對於彼此反向 13
TW96120976A 2006-06-12 2007-06-11 Cassette clamping mechanism TWI336369B (en)

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BRPI0702762B8 (pt) 2021-06-22
ATE414548T1 (de) 2008-12-15
AR061447A1 (es) 2008-08-27
IL183855A (en) 2011-02-28
US20070286755A1 (en) 2007-12-13
IL183855A0 (en) 2007-12-03
CY1108830T1 (el) 2014-04-09
AU2007202696B2 (en) 2009-06-11
US7712802B2 (en) 2010-05-11
DK1867349T3 (da) 2009-01-26
JP2007330792A (ja) 2007-12-27
BRPI0702762A (pt) 2008-02-19
JP4394706B2 (ja) 2010-01-06
CA2591104A1 (en) 2007-12-12
EP1867349A1 (en) 2007-12-19
PL1867349T3 (pl) 2009-04-30
CN101088480A (zh) 2007-12-19
KR100881533B1 (ko) 2009-02-05
CA2591104C (en) 2011-02-08
AU2007202696A1 (en) 2008-01-03
KR20070118545A (ko) 2007-12-17
MX2007006991A (es) 2007-12-11
EP1867349B1 (en) 2008-11-19
TW200811369A (en) 2008-03-01
ES2317622T3 (es) 2009-04-16
PT1867349E (pt) 2009-01-30
CN101088480B (zh) 2010-06-09
DE602007000258D1 (de) 2009-01-02
SI1867349T1 (sl) 2009-04-30
BRPI0702762B1 (pt) 2019-07-02
AU2007202696C1 (en) 2010-01-21

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