CN105852929A - 一种手动开颅钻 - Google Patents

一种手动开颅钻 Download PDF

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CN105852929A
CN105852929A CN201610332854.9A CN201610332854A CN105852929A CN 105852929 A CN105852929 A CN 105852929A CN 201610332854 A CN201610332854 A CN 201610332854A CN 105852929 A CN105852929 A CN 105852929A
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drilling pipe
drill
positioning seat
handle
adjusting nut
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黄文佳
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Edong Healthcare Group City Central Hospital
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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
    • A61B17/16—Bone cutting, breaking or removal means other than saws, e.g. Osteoclasts; Drills or chisels for bones; Trepans
    • A61B17/1695—Trepans or craniotomes, i.e. specially adapted for drilling thin bones such as the skull
    • 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
    • A61B17/1613—Component parts
    • A61B17/1615—Drill bits, i.e. rotating tools extending from a handpiece to contact the worked material
    • 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
    • A61B17/1637—Hollow drills or saws producing a curved cut, e.g. cylindrical
    • 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
    • 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
    • A61B17/171—Guides or aligning means for drills, mills, pins or wires for external fixation

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

Abstract

本发明公开了一种手动开颅钻，包括有定位座，钻筒，调节螺母件，以及固定针组件；所述定位座上开设有圆形通孔；定位座下端成型有四个定位针；所述钻筒包括钻筒部，钻入距离调节部以及旋钮部；所述钻筒部下端成型有钻齿；所述钻入距离调节部侧壁上部成型有外螺纹；所述调节螺母件包括有与所述外螺纹螺纹连接的螺母；所述固定针组件包括有锥形钻头以及把手；锥形钻头与把手之间成型有连接杆；所述旋钮部中间上端开设有与所述连接杆配合的穿孔；使用时，使锥形钻头进入颅骨合适深度；此时旋转旋钮部，钻齿随着钻筒一边旋转一边向下移动，当调节螺母件外壁的凸起与定位座相抵时，颅骨恰好被钻开，锥形钻头固定在钻好后的颅骨块上，从而被取下。

Description

一种手动开颅钻
技术领域
本发明属于医疗器械领域，尤其涉及一种手动开颅钻。
背景技术
专利号为201520672450.5的中国发明专利公开了一种手动开颅钻套件，上述的手动开颅钻套件由于定位针的存在，使在开颅时，手动开颅钻套件不会相对颅骨打滑而且能单人操作，但是在恰好钻穿颅骨时，可能会将定位针钻入颅内，破坏内部脑组织。
发明内容
本发明所要解决的技术问题是：针对现有技术存在的不足，提供一种结构简单，能够方便地在颅骨上打孔，并将所钻颅骨块取出，避免过深钻入颅骨内部。
为实现本发明之目的，采用以下技术方案予以实现：一种手动开颅钻，包括有定位座，插接在所述定位座内的钻筒，螺纹连接在所述钻筒外壁的调节螺母件，以及滑动连接在所述钻筒内的固定针组件；所述定位座上开设有圆形通孔；所述的定位座下端成型有沿所述通孔周向均匀分布的四个定位针；所述钻筒包括圆柱形的钻筒部，成型在所述钻筒部上端的钻入距离调节部以及成型在所述钻筒部上端的旋钮部；所述的钻筒部下端成型有钻齿；所述的钻入距离调节部侧壁上部成型有外螺纹；所述的调节螺母件包括有与所述外螺纹螺纹连接的螺母；所述的螺母内壁成型有内螺纹；所述固定针组件包括有锥形钻头以及把手；所述锥形钻头与把手之间成型有连接杆；所述连接杆上套接有与把手固定连接的弹簧；所述的旋钮部中间上端开设有与所述连接杆配合的穿孔；所述的定位座，钻筒，调节螺母件以及固定针组件分别采用不锈钢一体成型。
作为优选方案：所述的定位座外壁成型有两个对称的把手部。
作为优选方案：所述的钻入距离调节部侧壁下部开设有多个卡槽；所述的卡槽沿钻入距离调节部的周向等距离分布；所述螺母下端成型有插接在定位座的通孔内的卡紧圈，所述卡紧圈内侧连接有与所述的卡槽配合的弹性卡头，所述的卡槽与弹性卡头固定了调节螺母件相对钻筒的位置。
作为优选方案：所述的旋钮部中间上端开设有与所述把手配合的凹口，避免在转动把手时带动钻筒一起转动。
与现有技术相比较，本发明的有益效果是：使用时，先根据实际情况，将调节螺母件螺纹连接在钻入距离调节部外壁的合适位置，然后将定位座固定于颅骨待打孔位置，将调节后的钻筒插接在定位孔的通孔内，将固定针组件插接在钻筒的穿孔内；一手捏住定位孔的把手部，一手向下旋转把手，使锥形钻头进入颅骨合适深度，在固定针组件整体下滑时，弹簧收缩；此时医生一手捏住定位孔的把手部，一手旋转旋钮部，由于弹簧收缩，将钻齿抵在颅骨上，在旋转旋钮部的时候，钻齿随着钻筒一边旋转一边向下移动，当调节螺母件外壁的凸起与定位座相抵时，意味着颅骨恰好被钻开，由于锥形钻头固定在钻好后的颅骨块上，所以只需将该手动开颅钻套件取下，此时由于弹簧伸长，将在锥形钻头上的颅骨块，位于钻筒内部从而被取下。
附图说明
图1是本发明的结构示意图。
图2是本发明的分解结构示意图。
图3是本发明的剖视结构示意图。
1、定位座；11、把手部；12、定位针；13、通孔；2、钻筒；20、钻齿；21、钻筒部；22、钻入距离调节部；221、卡槽；222、外螺纹；23、旋钮部；231、凹口；232、穿孔；3、调节螺母件；31、卡紧圈；311、弹性卡头；32、螺母；321、内螺纹；4、固定针组件；41、锥形钻头；42、连接杆；43、把手；5、弹簧。
具体实施方式
下面根据附图对本发明的具体实施方式做一个详细的说明。
根据图1至图3所示，本实施例所述的一种手动开颅钻，包括有定位座1，插接在所述定位座内的钻筒2，螺纹连接在所述钻筒外壁的调节螺母件3，以及滑动连接在所述钻筒内的固定针组件4；所述定位座上开设有圆形通孔13；所述的定位座下端成型有沿所述通孔周向均匀分布的四个定位针12；所述钻筒包括圆柱形的钻筒部21，成型在所述钻筒部上端的钻入距离调节部22以及成型在所述钻筒部上端的旋钮部23；所述的钻筒部下端成型有钻齿20；所述的钻入距离调节部侧壁上部成型有外螺纹222；所述的调节螺母件包括有与所述外螺纹螺纹连接的螺母32；所述的螺母内壁成型有内螺纹321；所述固定针组件包括有锥形钻头41以及把手43；所述锥形钻头与把手之间成型有连接杆42；所述连接杆上套接有与把手固定连接的弹簧5；所述的旋钮部中间上端开设有与所述连接杆配合的穿孔232；所述的定位座外壁成型有两个对称的把手部11；所述的钻入距离调节部侧壁下部开设有多个卡槽221；所述的卡槽沿钻入距离调节部的周向等距离分布；所述螺母下端成型有插接在定位座的通孔内的卡紧圈31，所述卡紧圈内侧连接有与所述的卡槽配合的弹性卡头311；所述的卡紧圈内壁相对弹性卡头位置成型有容纳弹性卡头的凹腔；所述的卡槽与弹性卡头固定了调节螺母件相对钻筒的位置；所述的旋钮部中间上端开设有与所述把手配合的凹口231，避免在转动把手时带动钻筒一起转动。所述弹性卡头位于凹腔内的部分为发泡塑料，弹性卡头外端为硬质塑料。
使用时，先根据实际情况，将调节螺母件螺纹连接在钻入距离调节部外壁的合适位置，然后将定位座固定于颅骨待打孔位置，将调节后的钻筒插接在定位孔的通孔内，将固定针组件插接在钻筒的穿孔内；一手捏住定位孔的把手部，一手向下旋转把手，使锥形钻头进入颅骨合适深度，在固定针组件整体下滑时，弹簧收缩；此时医生一手捏住定位孔的把手部，一手旋转旋钮部，由于弹簧收缩，将钻齿抵在颅骨上，在旋转旋钮部的时候，钻齿随着钻筒一边旋转一边向下移动，当调节螺母件外壁的凸起与定位座相抵时，意味着颅骨恰好被钻开，由于锥形钻头固定在钻好后的颅骨块上，所以只需将该手动开颅钻套件取下，此时由于弹簧伸长，将在锥形钻头上的颅骨块，位于钻筒内部从而被取下。

Claims (4)

1.一种手动开颅钻，其特征在于：包括有定位座，插接在所述定位座内的钻筒，螺纹连接在所述钻筒外壁的调节螺母件，以及滑动连接在所述钻筒内的固定针组件；
所述定位座上开设有圆形通孔；所述的定位座下端成型有沿所述通孔周向均匀分布的四个定位针；
所述钻筒包括圆柱形的钻筒部，成型在所述钻筒部上端的钻入距离调节部以及成型在所述钻筒部上端的旋钮部；所述的钻筒部下端成型有钻齿；所述的钻入距离调节部侧壁上部成型有外螺纹；
所述的调节螺母件包括有与所述外螺纹螺纹连接的螺母；所述的螺母内壁成型有内螺纹；所述固定针组件包括有锥形钻头以及把手；所述锥形钻头与把手之间成型有连接杆；所述连接杆上套接有与把手固定连接的弹簧；
所述的旋钮部中间上端开设有与所述连接杆配合的穿孔；
所述的定位座，钻筒，调节螺母件以及固定针组件分别采用不锈钢一体成型。
2. 如权利要求1所述的一种手动开颅钻，其特征在于：所述的定位座外壁成型有两个对称的把手部。
3. 如权利要求1所述的一种手动开颅钻，其特征在于：所述的钻入距离调节部侧壁下部开设有多个卡槽；所述的卡槽沿钻入距离调节部的周向等距离分布；所述螺母下端成型有插接在定位座的通孔内的卡紧圈，所述卡紧圈内侧连接有与所述的卡槽配合的弹性卡头。
4. 如权利要求1所述的一种手动开颅钻，其特征在于：所述的旋钮部中间上端开设有与所述把手配合的凹口。
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