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TWI321045B - Intramedullar marrow nail - Google Patents

Intramedullar marrow nail Download PDF

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Publication number
TWI321045B
TWI321045B TW093103586A TW93103586A TWI321045B TW I321045 B TWI321045 B TW I321045B TW 093103586 A TW093103586 A TW 093103586A TW 93103586 A TW93103586 A TW 93103586A TW I321045 B TWI321045 B TW I321045B
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TW
Taiwan
Prior art keywords
hole
bone marrow
cylindrical
nail
marrow nail
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Application number
TW093103586A
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English (en)
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TW200507796A (en
Inventor
Andre Schlienger
Markus Buettler
Peter Senn
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Synthes Gmbh
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Publication of TW200507796A publication Critical patent/TW200507796A/zh
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Publication of TWI321045B publication Critical patent/TWI321045B/zh

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Classifications

    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00Surgical instruments, devices or methods
    • A61B17/56Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
    • A61B17/58Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws or setting implements
    • A61B17/68Internal fixation devices, including fasteners and spinal fixators, even if a part thereof projects from the skin
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00Surgical instruments, devices or methods
    • A61B17/56Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
    • A61B17/58Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws or setting implements
    • A61B17/68Internal fixation devices, including fasteners and spinal fixators, even if a part thereof projects from the skin
    • A61B17/72Intramedullary devices, e.g. pins or nails
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00Surgical instruments, devices or methods
    • A61B17/56Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00Surgical instruments, devices or methods
    • A61B17/56Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
    • A61B17/58Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws or setting implements
    • A61B17/68Internal fixation devices, including fasteners and spinal fixators, even if a part thereof projects from the skin
    • A61B17/72Intramedullary devices, e.g. pins or nails
    • A61B17/7233Intramedullary devices, e.g. pins or nails with special means of locking the nail to the bone
    • 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
    • A61F2/28Bones

Landscapes

  • Health & Medical Sciences (AREA)
  • Orthopedic Medicine & Surgery (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Surgery (AREA)
  • Animal Behavior & Ethology (AREA)
  • Veterinary Medicine (AREA)
  • Public Health (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • General Health & Medical Sciences (AREA)
  • Molecular Biology (AREA)
  • Medical Informatics (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Neurology (AREA)
  • Cardiology (AREA)
  • Oral & Maxillofacial Surgery (AREA)
  • Transplantation (AREA)
  • Vascular Medicine (AREA)
  • Surgical Instruments (AREA)
  • Prostheses (AREA)

Description

玟、發明說明: 1項引文的一種骨髓内骨 的脛骨者。 【發明所屬之技術領域】’ 本發明關於申請專利範圍第 懸針,特别用於遠體端(distal) 【先前技術】 交的二已有一些標記骨釘在相同高度具有二個相 :孔’俾使同—種骨髓釘可用於右邊及左邊的管形骨。 k種習知裝置的缺點在於:該二個(或數個)孔相交 二:軸交點在針縱軸上,因此要將較多的材料從骨髓釘 截面除去,這點使得該骨髓釘在此位置的機械 大減低。 【發明内容】 一對此本發明提出對策。本發明的目的在提供一種具有 :個:或數個)相交又之橫孔的骨髓釘,e比起先前技術 來有較佳的機械強度,而不須為此將橫截面積加大。 本發明係利用具有申請專利範圍第i項的特點的一種 骨髓釘達到此目的。 種變更方式係在於,該二個貫穿的孔圓筒形的圓筒 轴在交點P相交,該交點距縱軸距離d > 0,此距離d相 對於月骑針的直徑D的關係係在以下範圍中:0.0001D< d < 0.6000D,且宜 〇 2D< d< o 5D。 另種變更方式在於:該二個貫穿的孔圓筒形的圓筒 轴係為歪斜(windschief’英:者,且具有該長度 x>0的最短距離。在此’該長度X要小於該貫穿之孔圓筒 开y的—個直也的和一半,俾使該二個孔圓筒形會貫穿。在 1321045 該二個歪斜的圓筒軸之間的長度x的段落s(它構成最短 的距離)可平行於該縱軸或對縱軸成歪斜延伸,且在一最 短距離γ>0。在此,該距離y宜小於d/2但大於〇.4D。 在另-實施例t ’該二個貫穿的孔圓筒形的圓筒軸係 位在一個與縱軸正交的平面中。反之,在另—實施例中, 該二個貫穿的孔圓筒形的圓筒軸係在一平面中,該平面被 縱軸以一角度α通過,其中〇。< α <6〇。,且宜〇。〈 α < °。這種歪斜設置優於正交設置之處在於該要放入孔圓 筒形中的螺絲的倚靠長度要長得多,這點使穩定性提高。 另一優點在於對骨折的供養更佳。 在另一實施例中,該貫穿的孔圓筒形以一角度石相交 ,其中30Ή90。,且宜5〇。〈点<8〇。。最佳的角度 選擇可使壁厚度最佳化。 在一較佳實施例中,該二個貫穿的孔圓筒形有二條分 J的入路進入骨髓釘’但只有一條共同的出路從該骨髓釘 出來。這種設計優於四個開口的設計之處為:材料挖除量 可儘篁小,故骨髓釘有較大強度。 5亥貫穿孔圓筒形的直徑DB最多宜為D & 0.6倍,且 且為最多0.5倍。 另實施例中,該骨髓釘有一個對中心縱軸成共軸 的縱孔。此空心針狀的直徑相對於孔圓筒部的直徑的比越 則該貫穿之橫孔越可互相成一角度,而不會影響骨髓 、丁的橫截面積,換而之不會減少骨髓釘的強度。 本七明與本發明的進一步特點在以下利用數個實施例 的部分示意圖式詳細說明。 1321045 【實施方式】 第1〜第3圖所示的趙内骨髓釘(1)有一遠體端(?)、一 近體端(3)、K縱軸(4),及二橫孔⑺,該遠體端⑺適 用於放入一管骨的標記空間中,該二橫孔(5)具有一孔軸(6) 且各定義出一虛擬的孔圓筒形(8),該孔圓筒形有一圓筒軸 (9),與該定義的橫孔(5)的孔軸(6)對應。該骨鶴釘有二大 致恆定的直徑D,以及與中心縱軸(4)成共軸的縱孔(1〇)。 如第3圖所示,該二個橫孔(5)的孔圓筒形互相從反側 貫穿’其中該二個貫穿的孔圓筒形(8)的孔圓筒軸(9)在點p 相交,該點P距縱軸(4)的距離d==〇4D。換言之,該點p 不在骨髓釘的縱軸(4)上。 該貫穿之孔圓筒形(8)有二條分別的進路進到骨髓釘⑴ 中,但只有一條共同出路從該骨题釘(1)出來。該二個貫穿 的孔圓筒形⑻的圓筒軸(9)位在—個與縱轴⑷正交的平面 中,該平面對應於…的圖面。但該二個貫穿的孔圓筒 形(8)的圓简軸(9)也可在另一平面φ ^ 面中’此平面被縱軸(4)以 一定的角度α通過(第2圖)。 在圖示之實施例中,該-徊+也 ±χ/ Τ忑一個貝穿的孔圓筒形(8)的圓筒 軸(9)以一角度冷=60。相交。 该貫穿的孔圓筒形(8)的直和D + W』且仫,在此圖示之例子中 係為D的0.3倍。 如第4圖所示,在另—眚 饩#,〇、 貫轭例中,該二個貫穿的孔圓 间形(8)的圓筒軸(9)也呈歪钭方、儿从 χ μ ’乜至企斜方式沿伸’且具有該-定長度 χ的最短距離(11),該長度 栌 茛皮j於該貝穿之孔圓筒形(8)的直 ^的和的一半。該二條
條正斜的圓疴軸(9)的長度X的段落S 匕構成最短距離(11)〕在圖示的實施例中,係平行於該 縱輪(4),且為此而具有一最短距離γ > 〇。但此段落s也 可對縱軸(4)呈歪斜延伸,距離γ在D/2〉γ〉〇 4D的範圍 【圖式簡單說明】 (一)圖式部分 第1圖係該骨髓釘的前視及後視圖,它具有二個相交 又的横孔, 第2圖係°亥骨髓釘的前視圖及扎圓筒形的示意立體視 的 正交:面圖係在交又之橫孔的區域切過第2之骨髓釘 第4圖係二個貫穿 條歪斜的圓筒軸。 的孔圓筒形的示意立體圖,具有 二 髓内骨髓釘 遠體端 近體端 中心縱軸 橫孔 孔軸 孔圓筒形 圓筒軸 縱孔 表短距離 距離 (二)元件代表符號 0) (2) (3) (4) (5) (6) ⑻ (9) (10) (11) d 9 1321045 D 直徑 P 點 Db 孔圓筒形直徑 X 長度 Y 距離 a » β 角度 10

Claims (1)

1321045 拾、申請專利範圍: 1 . 一種骨髓内骨髓釘(1),具有 A) -通體端(2),適合放入該標記空間申,其中該骨财 釘(1)之相向該遠體端(2)的部段有一直徑D, ^ B) —近體端(3), C) 一個中心縱軸(4),及 D) 數個具-孔軸(6)的橫孔(5),這些橫孔⑹各定出— 個虛擬的孔圓筒形⑻,該孔圓筒形(8)有一圓筒轴⑼ 應於該界定之橫孔(5)的孔軸(6),其中 E) 該孔圓筒形(8)被至少二個橫孔(5)反向貫穿, 其特徵在: 該二個貫穿的孔圓筒形⑻的圓筒軸(9)在中心 上無共同的交點’且其中:該二個貫穿的孔圓筒形 ) 筒軸(9)在一個與中心縱軸(4)正交的平面中。 2 .如申請專利範圍第1項之骨髓釘,其中: 該二個貫穿的孔圓筒形(8)的圓筒軸(9)在一交點p 交,該交點P距中心縱軸(4)有一距離d > 〇。 相 3 .如申請專利範圍第丨項之骨髓釘,其中·· 該二個貫穿的孔圓筒形(8)的圓筒軸(9)係呈歪斜方式’ 其具有遠長度χ>〇之最短距離(H)。 4 .如申請專利範圍第3項之骨髓釘’其中: 該長度X小於該貫穿的孔圓筒形(8)的二個直徑的和 一半。 σ的 其中: 如申請專利範圍第3項之骨髓釘 1321045 該二個歪斜的圓筒軸(9)之間的异皮 、町長度X的段落S〔它構 成最短距離(11 )〕係對縱軸(4)平行或 丁 A呈歪斜延伸,且距該 縱軸有一最短距離Y > 〇。 6 .如申請專利範圍第5項之骨妒 <月%釘,該距離γ小於 D/2。 7 ·如申請專利範圍帛5項之骨趟釘,其_ : 該距離大於0.4D。 '、 8 .如申請專利範圍第2項之骨髓釘,其中: 其 該二貫穿的孔圓筒形⑻的圓筒轴以—角度点相交 中 3〇°< y? <90。,且宜 50。< 万 <8〇' 9 .如申請專利範圍第2項之骨髓釘,其中: < 該距離d相對於直徑〇沾M^ 且仅υ的關係為0 000丨D < d 0.6〇〇〇D,且宜 〇_2D< d< 0.5D。 1 0 .如申睛專利範圍第1 & 4弟2項之骨髓釘,其中 該貫穿的孔圓筒形(8)有二侔 w 條進路進入骨髓釘(1),但只 有/條共同出路從骨髓釘(1)出來。 1 1 ·如申請專利範圍第 14弟2項之骨髓釘,其中 倍 «亥貝穿的孔圓筒形(8)的直押 J且虹Db最大為D的〇·6 直宜取大於D的0.5倍》 項之骨髓釘,其中 2 .如申請專利範圍第丨或第2 該骨趙釘有—個對中心縱轴⑷成共轴的縱孔⑽ 12
TW093103586A 2003-03-21 2004-02-16 Intramedullar marrow nail TWI321045B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CH2003/000184 WO2004082494A1 (de) 2003-03-21 2003-03-21 Intramedullärer marknagel

Publications (2)

Publication Number Publication Date
TW200507796A TW200507796A (en) 2005-03-01
TWI321045B true TWI321045B (en) 2010-03-01

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ID=32996960

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Application Number Title Priority Date Filing Date
TW093103586A TWI321045B (en) 2003-03-21 2004-02-16 Intramedullar marrow nail

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US (1) US20060111716A1 (zh)
EP (1) EP1605845B1 (zh)
JP (1) JP4323434B2 (zh)
KR (1) KR100987550B1 (zh)
CN (1) CN100341466C (zh)
AR (1) AR043578A1 (zh)
AT (1) ATE477757T1 (zh)
AU (1) AU2003209908B2 (zh)
BR (1) BRPI0318150B8 (zh)
CA (1) CA2519845C (zh)
DE (1) DE50313002D1 (zh)
ES (1) ES2348717T3 (zh)
NZ (1) NZ542409A (zh)
PT (1) PT1605845E (zh)
TW (1) TWI321045B (zh)
WO (1) WO2004082494A1 (zh)

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TWI619469B (zh) * 2013-03-08 2018-04-01 譚大倫 髓內裝置及使用其治療骨折之方法
US9949771B2 (en) 2013-03-08 2018-04-24 Ta-Lun Tan Intramedullary apparatus and methods of treating bone fracture using the same

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CN1747691A (zh) 2006-03-15
AR043578A1 (es) 2005-08-03
JP2006513781A (ja) 2006-04-27
CN100341466C (zh) 2007-10-10
EP1605845B1 (de) 2010-08-18
CA2519845C (en) 2011-05-03
ES2348717T3 (es) 2010-12-13
KR100987550B1 (ko) 2010-10-12
JP4323434B2 (ja) 2009-09-02
ATE477757T1 (de) 2010-09-15
DE50313002D1 (de) 2010-09-30
EP1605845A1 (de) 2005-12-21
AU2003209908A1 (en) 2004-10-11
BRPI0318150B8 (pt) 2021-06-22
US20060111716A1 (en) 2006-05-25
NZ542409A (en) 2006-10-27
PT1605845E (pt) 2010-11-24
CA2519845A1 (en) 2004-09-30
TW200507796A (en) 2005-03-01
KR20050108412A (ko) 2005-11-16
BRPI0318150B1 (pt) 2015-05-26
BR0318150A (pt) 2006-02-21
AU2003209908B2 (en) 2007-05-10
WO2004082494A1 (de) 2004-09-30

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