WO2003055400A1 - Appareil pour fixer un dispositif de protection du col du femur - Google Patents

Appareil pour fixer un dispositif de protection du col du femur Download PDF

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Publication number
WO2003055400A1
WO2003055400A1 PCT/CN2002/000926 CN0200926W WO03055400A1 WO 2003055400 A1 WO2003055400 A1 WO 2003055400A1 CN 0200926 W CN0200926 W CN 0200926W WO 03055400 A1 WO03055400 A1 WO 03055400A1
Authority
WO
WIPO (PCT)
Prior art keywords
femoral neck
sleeve
positioning
fixing member
protection device
Prior art date
Application number
PCT/CN2002/000926
Other languages
English (en)
French (fr)
Inventor
Benwen Qian
Original Assignee
Benwen Qian
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Benwen Qian filed Critical Benwen Qian
Priority to US10/499,641 priority Critical patent/US7488325B2/en
Priority to AU2002354079A priority patent/AU2002354079A1/en
Publication of WO2003055400A1 publication Critical patent/WO2003055400A1/zh

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Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/16—Bone cutting, breaking or removal means other than saws, e.g. Osteoclasts; Drills or chisels for bones; Trepans
    • A61B17/17—Guides or aligning means for drills, mills, pins or wires
    • A61B17/1739—Guides or aligning means for drills, mills, pins or wires specially adapted for particular parts of the body
    • A61B17/1742—Guides or aligning means for drills, mills, pins or wires specially adapted for particular parts of the body for the hip
    • A61B17/175—Guides or aligning means for drills, mills, pins or wires specially adapted for particular parts of the body for the hip for preparing the femur for hip prosthesis insertion
    • 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
    • Y10T408/00—Cutting by use of rotating axially moving tool
    • Y10T408/55—Cutting by use of rotating axially moving tool with work-engaging structure other than Tool or tool-support
    • Y10T408/567—Adjustable, tool-guiding jig

Definitions

  • the invention relates to a medical appliance for installing a femoral neck protection device, in particular to a device that can easily fit the femoral neck protection device on a damaged femoral neck, can reduce operation time, and reduce patient pain.
  • the femoral neck joint method is nothing more than covering with a plate-shaped steel and then driving the femur with a nail body for fixation.
  • it is not only unstable in the fixed coating, but also The newly-grown blood vessels and epiphysis cannot effectively cover the steel, so that the plate-shaped steel cannot be completely integrated with the femur and protected, and the femur and the coated steel are limited in strength and easy to separate.
  • the shortcomings are greatly reduced in practicability and increase the suffering of patients. Such defects have long troubled medical practitioners and patients.
  • a femoral neck protection device which is provided with a hollow sleeve inside, and the sleeve is provided with a bolt penetrating the sleeve, so that the femoral neck can be protected from being injured again.
  • the injured and damaged femoral head must first be surgically cut into a shape that can be fitted on the sleeve, so that the sleeve can be fitted on the cut femoral head.
  • the sleeve flange can be tightly fit on the surface of the femoral neck, and then the sleeve can be locked on the femur connected to the femoral neck by bolts.
  • the current common installation methods are scalpels and surgery. The sharpening knife used, and the experience of the operator, will slowly cut the femoral neck into the desired shape. In this way, not only will the operation time be longer, but the femur cannot be accurately cut to the required size. Causes patient pain.
  • the technical problem to be solved by the present invention is to provide a method which can effectively overcome the above-mentioned defects, can easily fit the femoral neck protection device on the damaged femoral neck, can reduce the operation time, and reduce Device for installing femoral neck protection for low patient pain.
  • the technical solution adopted by the present invention to solve its technical problems is an appliance for installing a femoral neck protection device, which is characterized by: a clamping seat, which is provided with a fixing member, the fixing member is composed of two shapes The same ring sleeve is composed, one end of the ring sleeves is pivotally connected, and the other end can be opened and closed, and the clamping seat is provided with a positioning member at a certain distance from the fixed member and movable, the positioning
  • the bone tool is provided with a trough; a bone plastic device is sleeved on the clamping seat, the bone plastic device is provided with a rod, a positioning block is sleeved on the rod, and the sleeve is connected with a sleeve.
  • the fixing member can be adjusted according to the size of the femoral neck, so that the fixing member can be clamped and fixed on On the femoral neck, the drill bit is sleeved on the positioning member, and after drilling the femoral head to the position specified by the positioning member, the bone shaper is sleeved on the positioning piece, and the bone shaper is fitted around the femoral neck.
  • the femoral head can be ground into the desired shape, so that the person performing the surgery can easily install the femoral neck protection device on the femoral neck, which has the advantages of simple use and easy installation, and has promotion value.
  • FIG. 1 is an exploded perspective view of the present invention
  • FIG. 2 is a perspective view of the present invention
  • FIG. 3 is a schematic perspective view of a clamping seat sleeved into a femoral neck of the present invention
  • FIG. 4 is an exploded perspective view of a clamping seat sleeved into a femoral neck of the present invention
  • FIG. 5 is a schematic perspective view of a clamping seat and a femoral neck in accordance with the present invention.
  • Fig. 6 is a schematic perspective view of a clamping seat sleeved into a femoral neck for drilling according to the present invention
  • Fig. 7 is a schematic perspective view of a bone shaping device of the present invention combined with a clamping seat;
  • FIG. 8 is a schematic perspective view of the bone plastic device of the present invention during grinding
  • FIG. 9 is a schematic perspective view of a femoral neck removed from a femoral neck and a clamping base of the present invention.
  • FIG. 10 is a schematic perspective view of the protection device being sleeved on the femoral neck.
  • FIGS. 1 and 2 an apparatus for installing a femoral neck protection device according to the present invention.
  • the apparatus is provided with a clamping base 10, and the clamping base 10 is provided with a fixing member 20, which is a horn.
  • Expansion-shaped, and the fixing member 20 is composed of two semicircular arc-shaped rings 21.
  • One end of the ring sleeves 21 inwardly provided is provided with an upwardly extending flange 211, and one end of the flanges 211 is There are movable and connected hinges 22 so that the loops 21 can be connected together and can be opened and closed by the connection of the pivots 22, and the loops 21 at the other end
  • a plurality of equidistant convex steps 241 are provided on the tooth row 24, so that the inlay can be used according to the size of the femoral neck during use.
  • 23 is nested on one of the convex steps 241 of the tooth row 24, so that the fixing member 20 can be snuggled tightly around the femoral neck and prevented from rotating randomly (as shown in FIG. 4).
  • the fixing member 20 is pivotally connected with a movable support rod 31 at a fixed position of one of the ring sleeves 21.
  • the support rod 31 is connected with the pivot seat 212 of the ring sleeve 21 through the sleeve of the pin 311. Together, so that the support rod 31 can be fixed to the fixing member 20 at a certain inclination angle and can also be moved outward, and a positioning member 30 opposite to the fixing member 20 is connected to the other end of the support rod 31.
  • a recessed plane 32 is provided on the positioning member 30, a slot 33 is formed in the plane 32, and a recessed recessed groove 321 is provided on the periphery of the plane 32, and the recessed groove 321 is embedded with a recessed groove 32
  • a positioning block 34 attached to the plane 32 is provided with a through hole 341 opposite to the slot 33 (as shown in FIG. 5).
  • the clamping seat 10 is provided with a bone plastic device 40, and the bone plastic device 40 is provided with a rod 41, and a positioning block 44 can be sleeved on the rod 41, and One end of the support rod 41 can be connected with the rotating seat 42, and the other end is connected with a sleeve 43, and the edge of the open end of the sleeve 43 is provided with saw teeth 431.
  • the positioning member 30 is moved outward (as shown in FIG. 7), so that the sleeve 43 of the bone shaper 40 is fitted around the femoral neck, and then the positioning member 30 is returned to the original Position, and move the positioning block 44 on the support rod 41 to a position opposite to the positioning member 30, and at the same time, the positioning block 44 is nested on the plane 32 of the positioning member 30, so that the bone shaper 40 can be ground again
  • the positioning member 30 can be taken as the center, and the sleeve 43 is rotated under the restriction of the slot 33 of the positioning member 30, so that the serrations 431 on the sleeve 43 around the femoral head are cut and ground to form the desired shape (as shown in the figure) 8), then remove the clamping base 10 and the bone shaper 40 from the femoral neck (as shown in FIG. 9), so that the person performing the surgery can easily install the femoral neck protection

Description

安装股骨颈保护装置的器具 技术领域
本发明涉及一种安装股骨颈保护装置的医疗器具， 特别是涉及一种 可令股骨颈保护装置轻易套合在受损的股骨颈上， 而能减低手术时间， 并减低病人痛楚的装置。
背景技术
一般对于股骨颈接合方式， 不外乎以一板状钢材覆盖， 再以一钉体 打入股骨内固定， 但由于常用结构设计不良， 令其除了在固定包覆上不 稳定的缺点外， 更有令新长出的血管与骨痂无法有效的将钢材包覆， 因 此造成板状钢材无法完全与股骨结合成一体并受到保护， 进而造成该股 骨与包覆的钢材承受力量有限且有容易分离的缺点， 在实用性上大打折 扣， 增加患者的痛苦， 这种种缺失， 长久以来， 一直困扰着医疗业者及 患者。
为了解决上述的缺点， 于是有股骨颈保护装置的出现， 其设有一 内呈中空状的套筒， 该套筒中设有贯穿套筒的螺栓， 如此， 可保护该股 骨颈不致受到再次伤害， 但因此种装置在使用时， 必需先将已受伤毁损 的股骨头借由手术切削成恰可套合在该套筒的形状， 使套筒恰可套合在 该经切削后的股骨头上， 并 ί吏该套筒凸缘可紧密贴合在股骨颈表面上， 再借有螺栓将套筒锁合在与股骨颈连接的股骨上， 而现今普遍安装的方 式， 皆是用手术刀及手术用的磨刀， 并借由操刀者的经验， 将股骨颈慢 慢切削成所需的形状， 如此， 不但使手术时间长， 且无法精确将股骨切 削呈所需的大小， 更可能在过程中造成病人痛楚的产生。
发明内容
本发明所要解决的技术问题是提供一种能有效克服上述缺陷， 可令 股骨颈保护装置轻易套合在受损的股骨颈上， 而能减低手术时间， 并减 低病人痛楚的安装股骨颈保护装置的器具。 本发明解决其技术问题所采 用的技术方案为， 一种安装股骨颈保护装置的器具， 其特点在于： 一夹 持座， 该夹持座上设有一固定件， 该固定件是由两个形状相同的环套组 成， 该等环套一端是枢接在一起， 另一端则可开合， 且该夹持座在固定 件相对位置上设有与之保持一定距离且活动的定位件， 该定位件设有一 幵槽； 一塑骨器， 其是穿套在夹持座上， 该塑骨器上设有一支杆， 该支 杆上套设有一定位块， 且该支杆接设有一套筒， 该套筒开口端边缘设有 锯齿。 由于采用上述方案， 不难得出本发明具有如下有益效果， 本发明 结构合理， 构思巧妙， 在使用时， 可随股骨颈的大小， 将固定件加以调 整， 以使该固定件可夹持固定在股骨颈上， 再将钻头穿套在定位件中， 向定位件指定的位置在股骨头上钻孔后， 将塑骨器穿套在定位件中， 借 由塑骨器套合在股骨颈周边的部分， 如此， 即可将股骨头研磨成所需的 形状后， 而令进行手术的人， 可轻易将股骨颈保护装置安装在该股骨颈 上， 具有使用简单、 安装容易的功效， 具推广价值。
附图说明
下面结合附图和实施例对本发明作进一步详细描述。
图 1为本发明的立体分解图；
图 2为本发明立体图；
图 3为本发明夹持座套入股骨颈的立体示意图；
图 4为本发明夹持座套入股骨颈的立体分解图；
图 5为本发明夹持座套入股骨颈实施时的立体示意图；
图 6为本发明夹持座套入股骨颈进行钻孔时的立体示意图； 图 7为本发明图 1为本发明塑骨器与夹持座结合在一起的立体示意 图；
图 8为本发明塑骨器进行研磨时的立体示意图；
图 9为本发明塑骨器与夹持座拆离股骨颈的立体示意图； 图 10为保护装置套合在股骨颈上的立体示意图。
具体实施方式
请参见图 1、 2所示， 本发明一种安装股骨颈保护装置的器具， 该 器具上设有一夹持座 10， 该夹持座 10上设有一固定件 20， 该固定件 20 是呈喇叭扩张状， 且该固定件 20是由两个呈半圆弧体的环套 21组成， 该等环套 21 向内缩合的一端设有向上延伸的凸缘 211， 且该等凸缘 211 一端上设有活动且连结在一起的枢件 22， 以令该等环套 21可借枢件 22 的连结， 可结合在一起并达到可开合的目的， 又， 该等环套 21 在另一 端的端缘表面上则分别设有互相配合的嵌体 23及齿排 24， 其中齿排 24 上设有复数个等距的凸阶 241， 以令使用时， 可随股骨颈的尺寸， 将嵌 体 23嵌套在齿排 24其中一凸阶 241上， 而使该固定件 20可紧紧圈套 在股骨颈上， 不致随意转动 （如图 4所示）。
另， 该固定件 20在其中一环套 21—定位置上枢接有一活动的支撑 杆 31， 该支撑杆 31是借由插销 311的插套， 而与在环套 21的枢座 212 连结在一起， 以使该支撑杆 31可以一定倾斜角度固定在固定件 20上， 亦可向外移动， 且该支撑杆 31另一端则接设有一与固定件 20相对的定 位件 30， 于本实施例为一盘体， 该定位件 30上设有一凹入的平面 32， 该平面 32中设有一开槽 33， 且该平面 32周缘设有凹入的嵌槽 321， 该 嵌槽 321上嵌置有一贴合在平面 32上的定位块 34， 该定位块 34上设有 一与开槽 33相对的穿孔 341 (如图 5所示）。
请参见图 7、 8、 9所示， 该夹持座 10上设有一塑骨器 40， 该塑骨 器 40上设有一支杆 41 ,该支杆 41上可套设有一定位块 44，且该支杆 41 一端可与旋转座 42相接， 另一端则接设有一套筒 43， 该套筒 43开口端 边缘设有锯齿 431。
使用时， 请参见图 3、 4、 5、 6、 7、 8、 9、 10所示， 先将固定件 20 的环套 21嵌合的一端打开（如图 3所示)， 将固定件 20圈套在股骨颈 上， 再视受损的股骨头的尺寸， 将一环套 21上的嵌体 23嵌套在另一环 套 21的齿排 24—凸阶 241上， 使固定件 20可牢牢固定在股骨颈上（如 图 4所示）， 再将定位块 34嵌套在定位件 30上后 （如图 5所示）， 将钻 头 50穿套在穿孔 341中， 并深至股骨颈表面上， 以使该钻头 50可在穿 孔 341 的限制下， 在固定位置上转动， 并在股骨头预定中心位置上钻出 一个具一定深度的孔 （如图 6所示）。
尔后， 将钻头 50抽出股骨头后， 将定位件 30向外移动 （如图 7所 示）， 使塑骨器 40的套筒 43套合在股骨颈周边， 再将定位件 30移回原 来的位置上， 并将在支杆 41上的定位块 44移至与定位件 30相对位置 上， 同时使定位块 44嵌套在定位件 30的平面 32上， 以令该塑骨器 40 再进行研磨时， 可以定位件 30为中心， 并在定位件 30的开槽 33限制 下， 转动套筒 43， 使股骨头周边在套筒 43上的锯齿 431切割研磨下， 形成所需的形状 （如图 8所示） 后， 将夹持座 10与塑骨器 40取离该股 骨颈 （如图 9所示）， 如此， 即可令进行手术的人， 可轻易将股骨颈保 护装置 60安装在股骨颈上（如图 10所示)， 具有使用简单、 安装容易 的功效。

Claims

权利要求
1、 一种安装股骨颈保护装置的器具， 其特征在于： 一夹持座， 该 夹持座上设有一固定件， 该固定件是由两个形状相同的环套组成， 该等 环套一端是枢接在一起， 另一端则可开合， 且该夹持座在固定件相对位 置上设有与之保持一定距离且活动的定位件， 该定位件设有一开槽； 一 塑骨器， 其是穿套在夹持座上， 该塑骨器上设有一支杆， 该支杆上套设 有一定位块， 且该支杆接设有一套筒， 该套筒开口端边缘设有锯齿。
2、 按权利要求 1 所述的一种安装股骨颈保护装置的器具， 其特征 在于： 所述定位件上嵌置一定位块， 该定位块上设有一与开槽相对的穿 孔。
3、 按权利要求 1 或 2所述的一种安装股骨颈保护装置的器具， 其 特征在于： 所述固定件是由两形状相同的环套组成， 该等环套一端枢接 在一起， 另一端则设有互相配合的嵌体及齿排。
PCT/CN2002/000926 2001-12-29 2002-12-30 Appareil pour fixer un dispositif de protection du col du femur WO2003055400A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
US10/499,641 US7488325B2 (en) 2001-12-29 2002-12-30 Femoral neck resection guide
AU2002354079A AU2002354079A1 (en) 2001-12-29 2002-12-30 An apparatus for fitting the protecting femoral neck device

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN01277173.2U CN2519658Y (zh) 2001-12-29 2001-12-29 安装股骨颈保护装置的器具
CN01277173.2 2001-12-29

Publications (1)

Publication Number Publication Date
WO2003055400A1 true WO2003055400A1 (fr) 2003-07-10

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US (1) US7488325B2 (zh)
CN (1) CN2519658Y (zh)
AU (1) AU2002354079A1 (zh)
WO (1) WO2003055400A1 (zh)

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US7488325B2 (en) 2009-02-10
US20050080426A1 (en) 2005-04-14
AU2002354079A1 (en) 2003-07-15

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