TW200425883A - Lens delivery system - Google Patents

Lens delivery system Download PDF

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Publication number
TW200425883A
TW200425883A TW093103196A TW93103196A TW200425883A TW 200425883 A TW200425883 A TW 200425883A TW 093103196 A TW093103196 A TW 093103196A TW 93103196 A TW93103196 A TW 93103196A TW 200425883 A TW200425883 A TW 200425883A
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TW
Taiwan
Prior art keywords
delivery system
crystalline lens
nozzle
lens
plunger
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Application number
TW093103196A
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English (en)
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TWI314859B (en
Inventor
Kyle Brown
David A Downer
Thomas M Heyman
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Alcon Inc
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Publication of TW200425883A publication Critical patent/TW200425883A/zh
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Publication of TWI314859B publication Critical patent/TWI314859B/zh

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16LPIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L23/00Flanged joints
    • F16L23/02Flanged joints the flanges being connected by members tensioned axially
    • F16L23/032Flanged joints the flanges being connected by members tensioned axially characterised by the shape or composition of the flanges
    • 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
    • A61F2/00Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
    • A61F2/02Prostheses implantable into the body
    • A61F2/14Eye parts, e.g. lenses, corneal implants; Implanting instruments specially adapted therefor; Artificial eyes
    • A61F2/16Intraocular lenses
    • A61F2/1662Instruments for inserting intraocular lenses into the eye
    • A61F2/1678Instruments for inserting intraocular lenses into the eye with a separate cartridge or other lens setting part for storage of a lens, e.g. preloadable for shipping
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16LPIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L23/00Flanged joints
    • F16L23/02Flanged joints the flanges being connected by members tensioned axially
    • F16L23/024Flanged joints the flanges being connected by members tensioned axially characterised by how the flanges are joined to, or form an extension of, the pipes
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16LPIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L23/00Flanged joints
    • F16L23/16Flanged joints characterised by the sealing means
    • F16L23/18Flanged joints characterised by the sealing means the sealing means being rings
    • F16L23/22Flanged joints characterised by the sealing means the sealing means being rings made exclusively of a material other than metal
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16LPIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L43/00Bends; Siphons
    • F16L43/008Bends; Siphons made from plastic material
    • 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
    • A61F2/00Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
    • A61F2/02Prostheses implantable into the body
    • A61F2/14Eye parts, e.g. lenses, corneal implants; Implanting instruments specially adapted therefor; Artificial eyes
    • A61F2/16Intraocular lenses
    • A61F2/1691Packages or dispensers for intraocular lenses

Description

200425883 玫、發明說明: 【發明所屬之技術領域】 發明領域 本發明係有關眼内水晶體(I〇Ls),特别係有關將眼内 5水晶體注入眼部用之裝置。 【先前j 發明背景 人眼之功能以最簡單的術語說明,係經由透射及折射 通過稱作為角膜的透明外部之光,以及進—步經由水晶體 10將影像聚焦於眼後的視網膜來提供視力。聚焦影像品質係 依據多項因素決定,該等因素包括眼球尺寸、形狀及長度 ’以及角膜及水晶體之形狀及透明度。 當外傷、年齡或疾病造成水晶體較為不透明時,由於 可透射至視網膜的光減少,視力退化。此種眼球水晶體缺 15陷於醫學上稱作為白内障。此種疾病的治療手段係以手術 去除水晶體,以及植入人工水晶體或I〇L。 雖然早期的1 〇L S係由硬塑膠例如聚甲基丙烯酸甲1旨 (PMMA)製成’但軟性可摺疊__於可财或捲起軟性 水晶體,然後通過較小的切口嵌入眼球内部,因此由聚石夕 2〇氧、軟性丙稀酸系及水凝膠製成的軟性可摺疊眼内水晶體 逐漸變普及。採用數種捲起或摺疊水晶體之方法。一種普 遍常用方法係注入器卡£其摺疊水晶體,提供相對小直徑 的&腔if過為官腔水晶體通常可藉柔軟梢端柱塞而被推 4入眼球内冑纟用的注人ϋ卡ϋ設計顯*於美國專利第 5 4,681,102號(8&你11),包括分裂型縱向鉸接的卡匣。類似的 設計顯示於美國專利第5,494,484及5,499,987號(Feingold) 以及第5,616,148及5,620,450號(Eagles等人)。為了避開美國 專利第4,681,102號之申請專利範圍’研究數種固體卡匣, 例如參考美國專利第5,275,604號(Rheinish等人)及第 5,653,715號(Reich等人)。 此等裝置全部皆要求水晶體與卡匣分開出貨。如此要 求水晶體由其出貨容器中移出,而在使用前置放於卡匣内 部。如此需要額外操縱水晶體,結果可能損傷水晶體。美 國專利第6,471,708 B1號(Green)揭示之一種先前技術裝 置,該案完整内容以引用方式併入此處,該案揭示一種水 晶體輸送系統,其也適合用作為水晶體出貨容器。如該專 利案第6A-6C圖所示,所揭示之裝置並不摺疊水晶體,反而 係壓縮或擠軋水晶體。此種裝置可用於強勁 '橡皮製成之 彈性水晶體材料,但此種設計#祕师性材料例如用於 軟性丙烯酸系樹脂時較不理想。如此仍然需要有_種、 體輸送系統,其適合用於有黏彈性材料製成的水晶體,2 水晶體可於該系統出貨。 【潑^明内容】 發明概要 續lit 術之改良在於提供—種水晶體輪送系 、有-柱塞注人器本體以及—管嘴 入器本體’該管嘴部具有—鉸接蓋以及—中 水晶體夹持平台形成料鉸接蓋下方。鉸接蓋内側 ,當蓋關閉時,肋可輔助崎水晶體穩定於平台上。卡昆 有細長管嘴管或梢端有個鐘孔,該鐘孔係與水晶體夹持平 台連通。鐘孔的底部圓化造成當水晶體藉柱塞而由平台向 :推下鐘孔時,鏜减部的圓化造成水晶制朗水晶體 4緣向上摺豐。水晶體光學部分的中部於摺疊期間經由凸 已於肋_蓋上’因此可避免向上移動。活_釘喪合於 ’防止水晶體於出貨及儲存期間由梢端鐘孔向下移動。 ==器本體含有棘輪機構,該棘輪機構可輔助防止 =ΓΓ存期間移動。本發明系統允許水晶體被儲 水4::送至眼部而無需任何額外裝置,也無需操控 材;:體。本發明之擅疊純也適合用_疊由軟丙稀酸夺 二及聚錢類及水_轉其它材料製成的水晶體。 如此本發明之一目的係提供—種適 及輸送水晶體至眼部而無 置之=、 送系統。 1壬仃額外裝置之水晶體輸 本發明之又-目的係提供—種適 _=4製成之水晶體之水晶體輸送系統。 發明之又-目的係提供 存及”_輕 /賴騎,其可於儲 其它太“ 體的移動之水晶體輸送系統。 圖式之說明及νΐ專目::特色及優點經由參照圖式及後文 圖式簡單說明更為彰顯。 第第:=广'_系統之透視圖。 用於本發明之水晶體輸送系統之切之分解 透現圖’顯示該卡g具有水晶體止塊就位。 、、第3圖為用於本發明之水晶體輸送系統之卡E之分解 透视圖’顯科卡£具有水晶體止塊被去除。 第4圖為用於本發明之水晶體輸送系統之水晶體 之分解透視圖。 第5 - 7圖為用於本發明之水晶體輸送系統之卡昆之分 解透視圖’顯示該卡E具有水晶體止塊被移除,以及欽^ 蓋開起來暴露出水晶體。 第8圖為用於本發明之水晶體輸送系統之卡匣之分解 透视圖,顯示該卡E具有水晶體止塊被移除,以及欽接蓋 被移除。 第9圖為用於本發明之水晶體輸送系統之卡E之水晶 體夾持平J之分解透視圖,顯示該卡g具有水晶體止塊 被移除,以及鉸接蓋開起來暴露出水晶體。 第10圖為可用於本發明之柱塞梢端之部分透視圖。 第11圖為可用於本發明之柱塞梢端之侧視平面圖。 t實施方式J 較佳實施例之詳細說明 如第1圖最明白顯示,本發明之水晶體輸送系統10通常 包括管嘴部12、注入器本體14及柱塞16。柱塞16包括複數 個彈簧翼片18,彈簧翼片18與注入器本體14的開槽20協力 來防止於出貨或使用期間柱塞16之非期望或非預期的向後 移動(近端移動)。柱塞16也含有剛性翼片24,剛性翼片24 於注入器本體14協力來防止於使用期間,柱塞被進一步推 向前(推向遠端)。管嘴部12、$入器本體14及柱塞16較佳係 由適當熱塑性材料例如聚丙稀模製成形。如第職u圖最 明白顯不,柱塞16之遠梢端17含有偏移翼片19,翼片^將 梢端17於出貨顧牢固夾持於注人器本則怕部,、但允許 梢端17於眼内水晶體34輸送期間通過相對狹窄的遠端管嘴 管44。梢端17之7721於_水晶體34的輸送期間,可維持 梢^ 17避免被向上推送於眼内水晶體μ上方。 如第2、3及4圖最明白顯示,本發明之水晶體輸送系統 10包括活動止塊26,止塊26係以摩擦式接合管嘴部12。止 塊26含有指狀翼片28來輔助將止塊26由管嘴部^移除。止 塊26含有銷釘3〇,當止塊26被安裝於管嘴部12時,銷釘3〇 嵌合入管嘴部12之蓋38的孔32内部。當眼内水晶體从於出 貨期間容納於管嘴部12内部時,銷釘30可限制眼内水晶體 34光學部分35遠端邊緣的向前移動。較佳銷釘如含有一種 結構例如於組裝時經由銷釘30變形所形成之唇或脊形成於 總成上來輔助鎖定銷釘3〇於孔32内部。止塊26及銷釘30可 輔助防止出貨期間眼内水晶體34的遠端移動。止塊26也含 有通道埠口 36,通道埠口 36係與管嘴部12之蓋38的埠口 4〇 文<體連通。通道埠口36組合埠口40允許將適當黏彈性材 料(維斯可(VISCOAT)、波維斯克(PROVISC))注入管嘴部!2 ^部而無需舉升蓋38。黏彈性材料可辅助眼内水晶體34由 〜嘴4丨2擠壓出。通道埠口36及埠口40的所在位置,確保 馬翻彈性材料被注入管嘴部12内部時,材料的黏稠性質將 推适前端補體42朝向水晶體34的近端,藉此輔助摺疊水晶 體34。通道補體36的通道化,可輔助定位淳口 36與相對小 的套管,用來注射點彈性材料。止塊26較佳係由適合 出成形的塑膠模製成。管嘴部12較佳於内侧為中空,管嘴 部I2含有其尺寸適合摺疊水晶體34至相對小尺寸,例如直 徑1.5毫米至3.5毫米之水晶體的遠端管嘴管44。蓋姆藉於 鍵46而安裝於管嘴部12,蓋38含有知釣仙可夹持蓋38= 嘴部12的封閉位置。蓋也含有肋50及2。肋50可夾持眼内 水晶體34光學部分35邊緣,防止眼内水晶體^於出貨期門 於管嘴部12内部移動。勒52於眼内水晶體34於管嘴管向下 推送時,經由避免眼内水晶體34的向上彎而可輔助眼内水 晶體34的摺疊。如第5圖最明白顯示,當眼内水晶體34的中 部藉肋52而避免向上移動之同時,底板56傾斜部54經由造 成I〇L 34邊緣朝向上,可輔助I0L 34的摺疊。管嘴部12的 底板56也含有斜坡部58位在尾端漏6叫靠的底座。 、較財,轉輯料經由通道化埠口36及埠口 4〇被 入&嘴°卩12 ’ $曲前端顧42的近端朝向㈣水晶體34 。止塊獅管嘴部12之蓋38被移出。柱塞16向上推,讓尾 端補60接觸眼内水晶體料,且將尾端補體的向上推向斜 ’將補體60向上推送於肌34上方。柱塞關進一 夕°别移動,錢眼内水晶體34通過肋%且進人管嘴管内 :。底板56的傾斜部54造成眼内水晶體34的側緣向上f, 34:=束眼内水晶體34的中部不致於料。眼内水晶體 句:進一步移動至遠端’造成眼内水晶體賴一 步指登’題終細L34好料相 200425883 雖然前文已經說明本發明之若干具體實施例,但此等 說明僅供舉例說明之用。可未悖離本發明之範圍及精髓, 而對前文揭示之系統及方法做出多種變化、修改及悖離。 【圖式簡單說明】 5 第1圖為本發明之水晶體輸送系統之透視圖。 第2圖為用於本發明之水晶體輸送系統之卡匣之分解 透視圖,顯示該卡匣具有水晶體止塊就位。 第3圖為用於本發明之水晶體輸送系統之卡匣之分解 透視圖,顯示該卡匣具有水晶體止塊被去除。 10 第4圖為用於本發明之水晶體輸送系統之水晶體止塊 之分解透視圖。 第5-7圖為用於本發明之水晶體輸送系統之卡匣之分 解透視圖,顯示該卡匣具有水晶體止塊被移除,以及鉸接 蓋開起來暴露出水晶體。 15 第8圖為用於本發明之水晶體輸送系統之卡匣之分解 透視圖,顯示該卡匣具有水晶體止塊被移除,以及鉸接蓋 被移除。 第9圖為用於本發明之水晶體輸送系統之卡匣之水晶 體夾持平台部之分解透視圖,顯示該卡匣具有水晶體止塊 20 被移除,以及鉸接蓋開起來暴露出水晶體。 第10圖為可用於本發明之柱塞梢端之部分透視圖。 第11圖為可用於本發明之柱塞梢端之側視平面圖。 【圖式之主要元件代表符號表】 10...水晶體輸送系統 12...管嘴部 11 200425883 14…注入器本體 16.. .柱塞 17.. .遠梢端 18.. .彈簧翼片 19.. .偏轉翼片 20…開槽 21···刃 24…剛性翼片 26.. .止塊 28.. .指狀翼片 30…銷釘 32…孔 34.. .眼内水晶體 35.. .光學部分 36.. .通道埠口 38…蓋 40…埠口 42.. .前端補體 44.··管嘴管 46.. .鉸鏈 48…知鉤 50,52...肋 54.. .傾斜部 56…底板 58.. .斜坡部 60.. .尾端補體 62…遠端
12

Claims (1)

  1. 200425883 拾、申請專利範圍: 1. 一種眼内水晶體輸送系統,包含: a) —注入器本體; b) —柱塞,其適合於注入器本體内部往復; 5 c)一管嘴部,其具有一中空内部接納於注入器本體 的遠端,該管嘴部具有一活動蓋; d) —管嘴管,其係於該管嘴部之遠端;以及
    e) —止塊,其係摩擦式接合於蓋上。 2. 如申請專利範圍第1項之水晶體輸送系統,其中該止塊 10 可輔助避免容納於管嘴部中空本體内部的眼内水晶體 移動。 3. 如申請專利範圍第1項之水晶體輸送系統,其中該蓋進 一步包含複數個肋,其適合夾持容納於管嘴部内部之眼 内水晶體。 15 4.如申請專利範圍第1項之水晶體輸送系統,其中該止塊
    進一步包含一銷釘其係礙合於蓋之孔内。 5.如申請專利範圍第1項之水晶體輸送系統,其中該止塊 進一步包含一通道埠口,其係與該管嘴部之中空内部做 流體連通。 20 6.如申請專利範圍第1項之水晶體輸送系統,其中該蓋係 鉸接連結至管嘴部。 7.如申請專利範圍第1項之水晶體輸送系統,其中該管嘴 部之中空内部有圓化之底部且有一斜坡,該底部之圓化 形狀以及斜坡有助於當眼内水晶體藉柱塞而向下推送 13 200425883 通過管嘴管時,輔助眼内水晶體的摺疊。 8. 如申請專利範圍第1項之水晶體輸送系統,其中該柱塞 進一步包含一具有偏轉翼片之遠梢端。 9. 一種眼内水晶體輸送系統,包含: 5 a) —注入器本體; b) —柱塞,其適合於注入器本體内部往復,該柱塞 具有一附有偏轉翼片之遠梢端;
    c) 一管嘴部,其具有一中空内部接納於注入器本體 的遠端,該管嘴部具有一活動蓋,該蓋具有複數個肋, 10 其適合夾持容納於管嘴部内部之眼内水晶體; d) —管嘴管,其係於該管嘴部之遠端;以及 e) —止塊,其係摩擦式接合於蓋上。 10. 如申請專利範圍第9項之水晶體輸送系統,其中該止塊 可輔助避免容納於管嘴部中空本體内部的眼内水晶體 15 移動。
    11. 如申請專利範圍第10項之水晶體輸送系統,其中該止塊 進一步包含一銷釘其係欲合於蓋之孔内。 12. 如申請專利範圍第10項之水晶體輸送系統,其中該止塊 進一步包含一通道埠口,其係與該管嘴部之中空内部做 20 流體連通。 13. 如申請專利範圍第9項之水晶體輸送系統,其中該蓋係 鉸接連結至管嘴部。 14. 如申請專利範圍第9項之水晶體輸送系統,其中該管嘴 部之中空内部有圓化之底部且有一斜坡,該底部之圓化 14 200425883 形狀以及斜坡有助於當眼内水晶體藉柱塞而向下推送 通過管嘴管時,輔助眼内水晶體的摺疊。 15. —種眼内水晶體輸送系統,包含: a) —注入器本體; 5 b)—柱塞,其適合於注入器本體内部往復; c) 一管嘴部,其具有一中空内部接納於注入器本體 的遠端,該管嘴部具有一活動蓋;
    d) —管嘴管,其係於該管嘴部之遠端;以及 e) —於蓋之孔,該孔係與該管嘴部之中空内部連通。 10 16.如申請專利範圍第15項之水晶體輸送系統,其中該蓋進 一步包含複數個肋,其適合夾持容納於管嘴部内部之眼 内水晶體。 17.如申請專利範圍第15項之水晶體輸送系統,進一步包含 一止塊,該止塊具有一銷釘可散合於蓋之孔。 15 18.如申請專利範圍第17項之水晶體輸送系統,其中該止塊
    進一步包含一通道埠口,其係與蓋之孔做流體連通。 19. 如申請專利範圍第15項之水晶體輸送系統,其中該蓋係 鉸接連結至管嘴部。 20. 如申請專利範圍第15項之水晶體輸送系統,其中該管嘴 20 部之中空内部有圓化之底部且有一斜坡,該底部之圓化 形狀以及斜坡有助於當眼内水晶體藉柱塞而向下推送 通過管嘴管時,輔助眼内水晶體的摺疊。 21. 如申請專利範圍第15項之水晶體輸送系統,其中該柱塞 進一步包含一具有偏轉翼片之遠梢端。 15
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EP1481652A1 (en) 2004-12-01
BRPI0400262B1 (pt) 2018-07-17
KR100809169B1 (ko) 2008-02-29
IL160381A (en) 2006-06-11
KR20040104394A (ko) 2004-12-10
JP4713088B2 (ja) 2011-06-29
AR043402A1 (es) 2005-07-27
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DE602004002987D1 (de) 2006-12-14
DE602004002987T2 (de) 2007-06-21
TWI314859B (en) 2009-09-21
PT1481652E (pt) 2007-01-31
ATE343985T1 (de) 2006-11-15
US7156854B2 (en) 2007-01-02
IL160381A0 (en) 2004-07-25
CA2457320C (en) 2008-09-02
EP1481652B1 (en) 2006-11-02
AU2004200811B2 (en) 2009-10-01
BRPI0400262A (pt) 2005-04-05
US20040243141A1 (en) 2004-12-02
ZA200401190B (en) 2004-08-26
MXPA04002543A (es) 2004-12-02

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