CN105105840B - 一种可快速填充的腰椎椎间植骨漏斗 - Google Patents

一种可快速填充的腰椎椎间植骨漏斗 Download PDF

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CN105105840B
CN105105840B CN201510630996.9A CN201510630996A CN105105840B CN 105105840 B CN105105840 B CN 105105840B CN 201510630996 A CN201510630996 A CN 201510630996A CN 105105840 B CN105105840 B CN 105105840B
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lumbar intervertebral
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吴占勇
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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
    • A61B17/58—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws, setting implements or the like
    • A61B17/88—Osteosynthesis instruments; Methods or means for implanting or extracting internal or external fixation devices
    • A61B17/8802—Equipment for handling bone cement or other fluid fillers
    • A61B17/8805—Equipment for handling bone cement or other fluid fillers for introducing fluid filler into bone or extracting it
    • A61B17/8816—Equipment for handling bone cement or other fluid fillers for introducing fluid filler into bone or extracting it characterised by the conduit, e.g. tube, along which fluid flows into the body or by conduit connections
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
    • A61B17/58—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws, setting implements or the like
    • A61B17/68—Internal fixation devices, including fasteners and spinal fixators, even if a part thereof projects from the skin
    • A61B17/70—Spinal positioners or stabilisers ; Bone stabilisers comprising fluid filler in an implant
    • A61B17/7074—Tools specially adapted for spinal fixation operations other than for bone removal or filler handling
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
    • A61B17/58—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws, setting implements or the like
    • A61B17/68—Internal fixation devices, including fasteners and spinal fixators, even if a part thereof projects from the skin
    • A61B17/70—Spinal positioners or stabilisers ; Bone stabilisers comprising fluid filler in an implant
    • A61B17/7094—Solid vertebral fillers; devices for inserting such fillers
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
    • A61B17/58—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws, setting implements or the like
    • A61B17/68—Internal fixation devices, including fasteners and spinal fixators, even if a part thereof projects from the skin
    • A61B17/70—Spinal positioners or stabilisers ; Bone stabilisers comprising fluid filler in an implant
    • A61B17/7097—Stabilisers comprising fluid filler in an implant, e.g. balloon; devices for inserting or filling such implants
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
    • A61B17/58—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws, setting implements or the like
    • A61B17/88—Osteosynthesis instruments; Methods or means for implanting or extracting internal or external fixation devices
    • A61B17/8802—Equipment for handling bone cement or other fluid fillers
    • A61B17/8805—Equipment for handling bone cement or other fluid fillers for introducing fluid filler into bone or extracting it
    • A61B17/8822—Equipment for handling bone cement or other fluid fillers for introducing fluid filler into bone or extracting it characterised by means facilitating expulsion of fluid from the introducer, e.g. a screw pump plunger, hydraulic force transmissions, application of vibrations or a vacuum
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
    • A61B2017/564—Methods for bone or joint treatment

Abstract

一种可快速填充的腰椎椎间植骨漏斗，包括储料碗，通道和骨料顶杆，通道一面的下部设有裂开的长条缝隙，长条缝隙可裂开一定角度，使圆孔通道呈微小的喇叭口形，口径扩大，使植骨材料可快速卸下，通道的表面设有盖板，盖板覆盖住长条缝隙，防止植骨材料从长条缝隙中溢出，不能到达指定部位。本设计结构简单，可快速卸料，有效防止植骨材料因通道太窄而堵塞通道。

Description

一种可快速填充的腰椎椎间植骨漏斗
技术领域
本发明涉及一种便于卸料的漏斗，主要用于腰椎椎间植骨术中，属外科器械技术领域。
背景技术
腰椎融合术是治疗腰椎疾患的一项常用基本手术。通过腰椎前、后路手术在椎小关节、横突间、椎间进行植骨，使腰椎间关节之间发生骨性结合，从而建立和维持腰椎的稳定性。
在腰椎椎间植骨融合术中，自体骨因具有良好的骨传导、骨诱导和骨生成作用，所以自体骨常作为植骨材料，这种植骨材料既保证了一定的骨结构强度又能被顺利填充，并且有很好的骨融合和骨诱导的作用。
现有的可快速填充的腰椎椎间植骨漏斗由于结构限制，使得所使用的植骨材料多集中在通道的直线方向，由于可快速填充的腰椎椎间植骨漏斗的出口较小，有时所使用的植骨材料会卡在通道中，会额外增加手术时间和操作风险，带来术后更多的出血，因此需要对现有的可快速填充的腰椎椎间植骨漏斗的结构进行改进。
发明内容
本发明提供一种可快速填充的腰椎椎间植骨漏斗，其结构简单，使用方便，其出口可以打开一定宽度，方便植骨材料卸出。
本发明所述技术问题是通过以下技术方案解决的：
一种可快速填充的腰椎椎间植骨漏斗，包括储料碗，通道和骨料顶杆，所述储料碗连接通道的顶端，所述通道为长方体，通道一面的下部设有裂开的长条缝隙，长条缝隙顶部设置圆孔，圆孔上部稳接滑道。
上述可快速填充的腰椎椎间植骨漏斗，所述圆孔的表面覆盖有盖板，所述盖板上设置长孔，圆孔内设有顶芯，顶芯通过长孔连接手柄。
上述可快速填充的腰椎椎间植骨漏斗，所述盖板底部设置固定钩，顶部设置卡扣，卡扣紧扣在通道上。
上述可快速填充的腰椎椎间植骨漏斗，所述滑道上窄下宽，呈圆锥形的平面。
上述可快速填充的腰椎椎间植骨漏斗，所述顶芯与圆孔尺寸匹配。
上述可快速填充的腰椎椎间植骨漏斗，所述骨料顶杆外径与通道内径尺寸匹配。
本发明具有以下优点：
本发明在通道上设置裂开的长条缝隙，长条缝隙可裂开一定角度，使矩形通道呈扩张形，尺寸变大，从而使植骨材料可快速卸下，防止植骨材料堵塞在通道中。为了防止漏料，本发明在通道的表面设置一个盖板，盖板可覆盖住长条缝隙，无论长条缝隙扩张与否，都能有效防止植骨材料从长条缝隙中溢出，从而确保骨料能够准确地到达指定部位。
附图说明
图1为本发明结构示意图，
图2为本发明骨料顶杆结构示意图，
图3为本发明A-A截面图，
图4为本发明盖板结构示意图。
图中各标号分别表示，1、储料碗，2、通道，3、卡扣，4、手柄，5、盖板，6、顶芯，7、骨料顶杆，8、长孔，9、固定钩，10、滑道，11、长条缝隙。
具体实施方式
参阅附图1，本发明包括储料碗1，通道2和骨料顶杆7，所述通道2为长方体，通道2顶端的一侧设置储料碗1，通道2一面的下部设有裂开的长条缝隙11，长条缝隙11常态下为闭合状态，长条缝隙11顶部设置圆孔，圆孔上部稳接滑道10，所述圆孔的表面覆盖有盖板5，盖板覆盖住圆孔、滑道10与长条缝隙11，防止植骨材料溢出，所述盖板5上设置长孔8，圆孔内设有顶芯6，顶芯6通过长孔8连接手柄4，长孔8极细。
所述盖板5底部设置固定钩9，顶部设置卡扣3，卡扣3紧扣在通道2上，呈三面环抱形，紧密环抱住通道2，当一次手术完毕时，可以卸下盖板，对盖板5、通道2分别进行清洗。
顶芯6与圆孔尺寸匹配，骨料顶杆7外径与通道2内径尺寸匹配，储料碗1为半球形。
在腰椎植骨过程中，首先将制备好的植骨材料放置于储料碗1中，通道2底端伸入需要植骨的位置，再使用骨料顶杆7取适量的植骨材料，置于通道2内，通过通道2输送于需要植入的位置。但是，当一次需要性植入的植骨材料过多，而通道2过细时，植骨材料会堵塞在通道2内，此时，滑动手柄4，手柄4带动顶芯6在滑道10内向上滑动，通道2底部的长条缝隙11打开一定宽度，通道呈微小的喇叭口形，开口面积增大，从而使植骨材料顺利输送出。
参阅附图3，所述滑道10为上窄下宽的圆锥形平面，其底部与圆孔直径相同，顶芯6常态下位于圆孔内，当顶芯6在滑道10内向上滑动时，可缓慢打开通道2底部的宽度，从而控制植骨材料的输送速度。
参阅附图4，所述盖板5底部设置固定钩9，顶部设置卡扣3，卡扣3可紧扣在通道2上，固定钩9勾住通道2底部，并与通道2底端有一定孔隙，当长条缝隙11打开时，通道2的一面在固定钩9内滑动，防止盖板5上下滑动，从而脱离通道2；卡扣3扣紧通道2，使盖板5紧贴在通道2的表面。

Claims (5)

1.一种可快速填充的腰椎椎间植骨漏斗，包括储料碗(1)，通道(2)和骨料顶杆(7)，其特征在于：所述储料碗(1)连接通道(2)的顶端，所述通道(2)为长方体，通道(2)一面的下部设有裂开的长条缝隙(11)，长条缝隙(11)顶部设置圆孔，圆孔上部稳接滑道(10)；
所述圆孔的表面覆盖有盖板(5)，所述盖板(5)上设置长孔(8)，圆孔内设有顶芯(6)，顶芯(6)通过长孔(8)连接手柄(4)。
2.根据权利要求1所述的一种可快速填充的腰椎椎间植骨漏斗，其特征在于：所述盖板(5)底部设置固定钩(9)，顶部设置卡扣(3)，卡扣(3)紧扣在通道(2)上。
3.根据权利要求2所述的一种可快速填充的腰椎椎间植骨漏斗，其特征在于：所述滑道(10)上窄下宽，呈圆锥形的平面。
4.根据权利要求3所述的一种可快速填充的腰椎椎间植骨漏斗，其特征在于：所述顶芯(6)与圆孔尺寸匹配。
5.根据权利要求4所述的一种可快速填充的腰椎椎间植骨漏斗，其特征在于：所述骨料顶杆(7)外径与通道(2)内径尺寸匹配。
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JP6643544B2 (ja) * 2016-12-26 2020-02-12 メディカル・ブレイン株式会社 骨材充填用の漏斗及び押出棒

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