CN103654935A - Bone peg with reposition and pressurization functions - Google Patents

Bone peg with reposition and pressurization functions Download PDF

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Publication number
CN103654935A
CN103654935A CN201210325947.0A CN201210325947A CN103654935A CN 103654935 A CN103654935 A CN 103654935A CN 201210325947 A CN201210325947 A CN 201210325947A CN 103654935 A CN103654935 A CN 103654935A
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CN
China
Prior art keywords
bone
sleeve
hole
provided
male
Prior art date
Application number
CN201210325947.0A
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Chinese (zh)
Inventor
许家豪
Original Assignee
许家豪
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Priority to CN201210325947.0A priority Critical patent/CN103654935A/en
Publication of CN103654935A publication Critical patent/CN103654935A/en

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Classifications

    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00Surgical instruments, devices or methods, e.g. tourniquets
    • 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, setting implements or the like
    • A61B17/68Internal fixation devices, including fasteners and spinal fixators, even if a part thereof projects from the skin
    • A61B17/84Fasteners therefor or fasteners being internal fixation devices
    • A61B17/86Threaded wires, pins or screws; Nuts therefor
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00Surgical instruments, devices or methods, e.g. tourniquets
    • 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, setting implements or the like
    • A61B17/68Internal fixation devices, including fasteners and spinal fixators, even if a part thereof projects from the skin
    • A61B17/84Fasteners therefor or fasteners being internal fixation devices
    • A61B17/86Threaded wires, pins or screws; Nuts therefor
    • A61B17/8605Heads, i.e. proximal ends projecting from bone
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00Surgical instruments, devices or methods, e.g. tourniquets
    • 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, setting implements or the like
    • A61B17/68Internal fixation devices, including fasteners and spinal fixators, even if a part thereof projects from the skin
    • A61B17/84Fasteners therefor or fasteners being internal fixation devices
    • A61B17/86Threaded wires, pins or screws; Nuts therefor
    • A61B17/8625Shanks, i.e. parts contacting bone tissue
    • A61B17/863Shanks, i.e. parts contacting bone tissue with thread interrupted or changing its form along shank, other than constant taper
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00Surgical instruments, devices or methods, e.g. tourniquets
    • 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, setting implements or the like
    • A61B17/68Internal fixation devices, including fasteners and spinal fixators, even if a part thereof projects from the skin
    • A61B17/84Fasteners therefor or fasteners being internal fixation devices
    • A61B17/86Threaded wires, pins or screws; Nuts therefor
    • A61B17/864Threaded wires, pins or screws; Nuts therefor hollow, e.g. with socket or cannulated

Abstract

The invention provides a bone peg with the reposition and pressurization functions. The bone peg comprises a rod body, a sleeve and a head part. A first male thread and a second male thread are formed at the two opposite ends of the rod body, wherein the first male thread is used for being fixed to a broken bone on a far side. The sleeve is used for being inserted into a broken bone on a close side and provided with a through hole, a female thread meshed with the second male thread of the rod body is arranged on the inner wall of one side of the through hole, the sleeve is made to be annularly connected to the end, provided with the second male thread, of the rod body, and then the broken bone on the close side and the broken bone on the far side are connected. The head part is arranged on the outer wall of the other side, close to the sleeve, of the through hole in an integrally formed mode and used for abutting against one surface of the broken bone on the close side. Consequently, when the head part rotates, relative displacement can be formed between the rod body and the sleeve, and then the two broken bones can oppositely move.

Description

具复位及加压功能的骨钉 Reset function and pressurized with pegs

技术领域 FIELD

[0001] 本发明是关于一种用在骨科手术的医疗器材,且特别是关于一种具复位及加压功能的骨钉。 [0001] The present invention relates to orthopedic surgery for use in medical equipment, and more particularly to a pressure reduction and having the function of bone screw.

背景技术 Background technique

[0002] 微创手术由于具备患者伤口小、照料方便、术后愈合快速等优点已成为临床上骨折手术的新趋势。 [0002] Since the minimally invasive surgical wound of a patient comprising a small, easy to care for, the advantages of rapid healing after surgery has become a new trend of clinical fractures. 详细地说,为促进患者断骨的术后愈合,外科医师必须先透过开放式复位方式对断骨复位及加压。 Specifically, in order to promote the healing of broken bones in patients after surgery, the surgeon must be reset through an open way to reset broken bones and pressure. 之后,外科医师使用骨折复位工具(例如各种复位钳或钢钉)暂时性地固定断骨。 Thereafter, the surgeon to use tool fractures (e.g. various reduction forceps or nails) temporarily fixed to the fractured bone. 最后,外科医师于透视X光机等显像装置观察下确认断骨的相对位置正确后,从切开的伤口处打入骨钉或插入骨板固定断骨。 Finally, the surgeon to confirm the perspective X-ray imaging apparatus observe the relative position of the broken bone Once properly inserted into the bone nail or a bone plate fixing broken bones cut from the wound.

[0003] 请参照图7,中国台湾专利公开号第200924702号揭露的「一体型骨髓内钉」为临床上使用的骨钉的一例子。 [0003] Referring to FIG. 7, an example for the bone screws used clinically China Taiwan Patent Publication No. 200924702 disclose the "integrated within the intramedullary nail." 此骨髓内钉(I)的二端部分别有一第一接合端(11)及一第二接合端(12),且第一接合端(11)及第二接合端(12)各自形成有外螺纹(13、14),使得此骨髓内钉(I)旋入断骨时,第一接合端(11)及第二接合端(12)的外螺纹(13、14)连接断骨,让断骨固定。 Two end portions of the nail within the bone marrow (I) are respectively a first (11) and engaging a second end (12) engages an end, and the first engaging end (11) and a second engagement end (12) are each formed with an outer thread (13, 14), such that this intramedullary nail (I) when screwed into the fractured bone, a first engagement end (11) and a second engagement end (12) of the external thread (13, 14) connected to the broken bones, so that off bone fixation.

[0004] 请参照图8,美国专利公开号第2008/0234763号揭露的「外科手术用的加压骨钉(Surgical Compression Bone Screw)」亦为临床上使用的骨钉的另一例子。 [0004] Referring to FIG. 8, is also another example of bone screws used clinically US Patent Publication No. 2008/0234763 disclose the "pressure of surgical bone screws (Surgical Compression Bone Screw)." 此骨钉(2)具有一纵向轴(21)、一近端部(22)及一远程部(23),且近端部(22)及远程部(23)上各别配置有一近端螺纹(24)及一远程螺纹(25)。 This bone screw (2) having a longitudinal axis (21), a proximal end portion (22) and a remote unit (23), and a proximal end portion (22) and a remote unit (23) is disposed on a respective threaded proximal end (24) and a remote thread (25). 近端螺纹(24)的最小半径实质上是等于远程螺纹(25)的最大半径,近端螺纹(24)及远程螺纹(25)具有实质上相似的螺牙外型及螺牙间距,且近端螺纹(24)是连续性的。 Proximal thread (24) is substantially equal to the minimum radius of the maximum radius remote thread (25), the proximal thread (24) and a remote thread (25) having a shape substantially similar thread pitch and thread, and near a threaded end (24) is continuous. 当此骨钉(2)旋转进入断骨时,近端螺纹(24)及远程螺纹(25)各别咬合住断骨的不同区`域,而固定断骨并对断骨加压。 When this bone screw (2) is rotated into the fractured bone, proximal thread (24) and a remote thread (25) bite into the respective different regions of the fractured bone `domain, and broken bones and fractured bone fixing pressure.

[0005] 综上所述,目前临床上使用的骨钉主要是提供固定断骨的功能,虽然部分骨钉还具有对断骨加压的功能。 [0005] In summary, current clinical use pegs primarily functions to provide a fixed broken bones, although the portion of the nail has a broken bone further pressurizing function. 以美国专利公开号第2008/0234763号为例,由于此骨钉(2)旋转时,近端螺纹(24)及远程螺纹(25)会一起转动,使得此骨钉(2)提供的加压功能略显不足。 In U.S. Patent Publication No. 2008/0234763, for example, due to the rotation, the threaded proximal end (24) and a remote thread (25) will rotate together this bone screw (2), such that this bone screw (2) providing a pressurized function slightly less. 换句话说,碍于目前临床上使用的骨钉的整体设计,执行骨折手术时,外科医师仍须透过开放式复位方式对患者的断骨复位及加压。 In other words, because of the overall design of the current bone screws used clinically when performing fracture surgery, surgeons still open through the way broken bones reset and reset the pressure of the patient. 因此,确实有必要针对目前临床上使用的骨钉提出改进。 So, indeed it is necessary to suggest improvements for the clinical use of bone screws currently.

发明内容 SUMMARY

[0006] 本发明的目的在于提出一种改良骨钉,此改良骨钉主要是透过不同组件连接断骨并透过不同组件间产生的相对位移,提供断骨复位及加压的功能。 [0006] The object of the present invention is to provide an improved bone screw, this improvement mainly bone screw through the fractured bone is connected through the different components and the relative displacement between different components generated, and pressurized to provide a reset function of broken bones.

[0007] 为实现上述及/或其它目的,本发明提出一种骨钉,系含有下列组件:一杆体、一套筒及一头部。 [0007] To achieve the above and / or other objects, the present invention provides a bone screw, system contains the following components: a body, a sleeve and a head portion. 杆体分别形成有一第一公螺纹及一第二公螺纹于杆体的二相对端部,其中第一公螺纹系用来固定于一远侧断骨。 Rods are formed at two opposite ends of a first male screw portion and a male thread on the second shaft, wherein the first line to the male thread fixed to a distal fractured bone. 套筒系用来插入至一近侧断骨,且套筒具有一通孔,通孔一侧内壁设有一咬合杆体的第二公螺纹的母螺纹,使得套筒环接杆体设有第二公螺纹的端部,用以使近侧断骨及远侧断骨连接。 Based sleeve for insertion into a proximal broken bone, and the sleeve having a through hole, the inner wall of the through hole of the second side is provided with a female thread engaging a male thread of the rod, so that the sleeve is provided with a second shaft looping male thread an end portion for causing the proximal and distal fractured bone connecting fractured bone. 头部系一体成形地设置于邻近套筒的通孔另侧的外壁,用来抵靠于近侧断骨的一表面。 Department head integrally formed to the outer wall provided through holes adjacent the other side of the sleeve, to abut against a proximal surface of a fractured bone. 藉此,当头部转动时,杆体和套筒间会形成一相对位移,使得近侧断骨及远侧断骨相对地移动。 Whereby, when the head is rotated, between the shaft and the sleeve form a relative displacement, such that the proximal and distal broken bones move relative to the fractured bone.

附图说明 BRIEF DESCRIPTION

[0008] 图1为本发明一实施例的骨钉的一立体图。 [0008] FIG. 1 is a perspective view of a bone nail according to an embodiment of the present invention.

[0009] 图2为图1的骨钉沿LL剖线的一剖面图。 [0009] FIG. 2 is a sectional view taken along line LL of FIG. 1 along the bone screw.

[0010] 图3A为图1的骨钉的一作动示意图。 [0010] FIG. 3A is a schematic view of a bone screw actuator of FIG. 1.

[0011] 图3B为图1的骨钉的另一作动示意图。 [0011] FIG. 3B is a schematic view of another actuation of a bone screw of FIG.

[0012] 图4为本发明一实施例的骨钉用于骨折手术的一使用示意图。 [0012] FIG. 4 is a schematic of an embodiment of bone screws used for fracture to an embodiment of the present invention.

[0013] 图5为本发明一实施例的骨钉用于骨折手术的另一使用示意图。 [0013] FIG. 5 another embodiment of a bone nail for the fracture to an embodiment of the present invention using the schematic.

[0014] 图6为本发明一实施例的骨钉用于骨折手术的再一使用示意图。 [0014] Figure 6 a further embodiment of a bone nail for fracture embodiment of a schematic diagram of the invention used.

[0015] 图7为中国台湾专利公开号第200924702号揭露的相关前案的立体图。 [0015] FIG. 7 is a perspective view of a related case before China Taiwan Patent Publication No. 200924702 disclosed.

[0016] 图8为美国专利公开号第2008/0234763号揭露的相关前案的立体图。 [0016] FIG. 8 is a front perspective view of a relevant case in U.S. Patent Publication No. 2008/0234763 disclosed.

[0017] 【主要组件符号说明】 [0017] The main component symbol DESCRIPTION

<相关如案> <Case in Related>

(1)骨髓内钉 (1) intramedullary nail

(11)第一接合端 (11) a first engagement end

(12)第二接合端(13、14)外螺纹 (12) engaging a second end (13, 14) an external thread

(2)骨钉 (2) pegs

(21)纵向轴 (21) the longitudinal axis

(22)近端部 (22) a proximal portion

(23)远程部 (23) remote part

(24)近端螺纹 (24) proximal thread

(25)远程螺纹 (25) remote thread

<本发明的较佳实施例> <Preferred embodiment of the present invention>

(3)杆体 (3) rod

(31)第一公螺纹 (31) a first male screw

(32)第二公螺纹 (32) the second male thread

(33)尖端 (33) tip

(34)卡制槽 (34) clamping groove

(4)套筒 (4) a sleeve

(41)通孔 (41) a through hole

(42)母螺纹 (42) the female screw

(43)第三公螺纹 (43) a third male thread

(5)头部 (5) the head

(51)卡制孔 (51) clamping hole

(52)第四公螺纹(6)骨板 (52) a fourth male thread (6) of the bone plate

(A)近侧断骨 (A) a proximal broken bones

(B)远侧断骨。 (B) a distal broken bones.

具体实施方式 Detailed ways

[0018] 为让本发明上述及/或其它目的、功效、特征能更明显易懂,下文特举较佳实施例,并配合所附图式,作详细说明如下。 [0018] In order to make the present invention, the above and / or other objects, effects, features can be more fully understood by reading the following preferred embodiments and with the accompanying drawings, it is explained in more detail below.

[0019] 请参照图1、2,系绘示着本发明之一较佳实施例的骨钉,此较佳例的骨钉包含有:一杆体(3)、一套筒(4)及一头部(5)。 [0019] Referring to FIG 1, the system shows one embodiment of a bone nail the preferred embodiment of the present invention, the preferred embodiment of the bone screw comprising: a body (3), a sleeve (4) and a head (5).

[0020] 如图2所示,杆体(3)具有一第一端部及一相对于第一端部的第二端部,第一端部及第二端部各别形成有一第一公螺纹(31)及一第二公螺纹(32)。 [0020] As shown, the rod body (3) having a first end and a second end opposite the first end portion, a first end and a second end portion formed with a respective first male thread (31) and a second male screw (32). 杆体(3)尚设有一自第一端部向外延伸的尖端(33),以用于下文讨论的目的。 Rod (3) is provided with a self still tip (33) extending outwardly of a first end portion, for purposes discussed below. 杆体(3)还设有一卡制槽(34)于第二端部,卡制槽(34)具有对应于一螺丝起子(图中未示)的形状,便于供螺丝起子对准而转动杆体(3)。 Rod (3) is also provided with a clamping groove (34) having corresponding to a screwdriver (not shown) the shape of the second end portion, clamping grooves (34), to facilitate for the screwdriver is aligned to rotate the rod ( 3).

[0021] 如图2所示,套筒(4)具有一通孔(41),通孔(41)具有一第一侧及一相对于第一侧的第二侧。 [0021] As shown in FIG 2, the sleeve (4) having a through hole (41), the through-hole (41) having a first side and a second side with respect to a first side. 通孔(41)的第一侧的内壁设有一螺纹上对应并咬合第二公螺纹(32)的母螺纹(42),使得套筒(4)环接杆体(3)的第二端部。 A first side of the inner wall of the through hole (41) is provided with a corresponding male thread and a second nip (32) of the female screw (42) on a thread, so that the sleeve (4) connected to the second end portion of the rod ring (3). 通孔(41)的第一侧的外壁另设有一第三公螺纹(43)。 The first side of the outer wall of the through hole (41) is further provided with a third male thread (43).

[0022] 如图2所示,头部(5)是一体成形地设置于邻近于套筒(4)的通孔(41)第二侧的外壁。 [0022] As shown in FIG 2, the head (5) is formed integrally provided in an outer wall adjacent to the second side of the sleeve (4) through holes (41). 头部(5)另设有一连通套筒(4)的通孔(41)的卡制孔(51),卡制孔(51)具有对应于另一螺丝起子(图中未示)的形状,便于供螺丝起子对准而转动头部(5)。 A head (5) is provided with further clamping hole (51) communicating a sleeve (4) through holes (41), the clamping hole (51) corresponding to another with a screwdriver (not shown) is shaped, for facilitating the alignment and rotation of the head screwdriver (5). 头部(5)更环设有一第四公螺纹(52)。 A head (5) is provided with a fourth ring more male thread (52).

[0023] 如图2所示,头部(5)的卡制孔(51)是连通于杆体(3)的卡制槽(34),且为方便此二螺丝起子各别对准并转动杆体(3)及头部(5),头部(5)的卡制孔(51)的径向截面积较好是大于杆体(3)的卡制槽(34)的径向截面积。 [0023] 2, the head portion (5) of the clamping hole (51) is in communication with the rod (3) of the clamping groove (34), and to facilitate this alignment of the respective screwdriver and two rotational shaft (3) and head (5), the head (5) of the clamping hole (51) of the cross-sectional area is preferably greater than the radial rod (3) in the radial sectional area of ​​the clamping groove (34).

[0024] 如图2所示,头部(5)的卡制孔(51)和套筒(4)的通孔(41)是相互连通的,因此杆体(3)可能穿过卡制孔(51)并从卡制孔(51)凸出于头部(5)。 [0024] As shown, the head portion (5) of the clamping hole (51) and the sleeve (4) through holes (41) are communicating with each other, and therefore the rod (3) may pass through the clamping hole 2 ( 51) and the clamping hole (51) protruding from the head portion (5). 为避免此情形,卡制孔(51)的径向截面积较好是小于第二公螺纹(32)的最大径向截面积,从而使卡制孔(51)提供一抵止手段。 To avoid this situation, clamping hole (51) is a radial cross-sectional area is preferably smaller than the largest radial cross-sectional area of ​​the second male thread (32), so that the clamping hole (51) providing a stop abutment means.

[0025] 请参照图3A、3B,头部(5)是一体成形地设置于套筒(4)的通孔(41 ),且套筒(4)环接杆体(3)的第二端部,因此当头部(5)转动时,杆体(3)与套筒(4)间会形成一相对位移。 [0025] Referring to FIGS. 3A, 3B, the head (5) is formed integrally provided in the through-hole (41) of the sleeve (4), and the sleeve (4) looping the rod (3) a second end portion Therefore, when (5) rotation of the head, between the shaft (3) and the sleeve (4) form a relative displacement.

[0026] 请参照图4、5,系绘示着此较佳例的骨钉用于骨折手术的丨种使用方式。 [0026] Referring to FIGS. 4 and 5, the system shown Shu bone screws of this kind of use for a preferred embodiment of the fracture. 和先前的骨折手术一样,外科医师必须预先在一近侧断骨(A)及一远侧断骨(B)钻孔。 And previous fracture surgery, the surgeon must be pre-drilled in a broken bone proximally (A) and a distal broken bone (B).

[0027] 如图4所示,利用杆体(3)的尖端(33)为起始端,骨钉依序地穿过近侧断骨(A)及远侧断骨(B)的孔洞。 Tip [0027] As shown, the use of the rod (3) 4 (33) as a starting end, through the proximal bone screw sequentially fractured bone (A) and a distal broken bone (B) holes. 之后,将一螺丝起子对准杆体(3)的卡制槽(34)而转动杆体(3)。 Thereafter, a screwdriver alignment rod body (3) of the clamping groove (34) rotates the rod (3). 以此方式,尖端(33)会对远侧断骨(B)攻牙,使得杆体(3)的第一公螺纹(31)咬合远侧断骨(B)的孔洞并固定于远侧断骨(B)。 In this manner, tip (33) have distal broken bone (B) tapping, such that the rod (3) a first male screw (31) engaging a distal broken bone (B) is fixed to a distal aperture and a fractured bone (B). 于骨钉穿过近侧断骨(A)及远侧断骨(B)的孔洞的同时,套筒(4)的第三公螺纹(43)咬合近侧断骨(A)的孔洞并固定于近侧断骨(A),使得套筒(4)插入至近侧断骨(A)且头部(5)抵靠于近侧断骨(A)的一表面。 While in a fractured bone through the proximal pegs (A) and a distal broken bone (B) of the hole, a sleeve (4) a third male thread (43) engaging the fractured bone proximally (A) and fixing holes a proximal fractured bone (a), so that the sleeve (4) inserted into the fractured bone proximally (a) and the head (5) against the proximal surface of a fractured bone (a) is. 套筒(4)的母螺纹(42)是咬合杆体(3)的第二公螺纹(32),使得套筒(4)环接杆体(3)的第二端部,透过这样的结构关系使近侧断骨(A)及远侧断骨(B)连接。 A sleeve (4) of the female screw (42) is a nip rod (3) second male thread (32), so that the sleeve (4) a second end loop connecting rod body (3), the relationship between this structure through broken bone so that the proximal (A) and a distal broken bone (B) is connected.

[0028] 如图5所示,为让近侧断骨(A)及远侧断骨(B)相对地移动,而提供近侧断骨(A)及远侧断骨(B)复位及加压的功能,将另一螺丝起子对准头部(5)的卡制孔(51)而转动头部(5)。 [0028] Figure 5, proximal to the fractured bone so that (A) and a distal broken bone (B) is relatively moved, to provide a proximal broken bone (A) and a distal broken bone (B) was added and the reset pressure function, the other aligned screwdriver head (5) of the clamping aperture (51) to rotate the head (5). 由于头部(5)系一体成形地设置于套筒(4),且头部(5)系抵靠于近侧断骨(A)的表面,使得当头部(5)转动时,套筒(4)受限地在原地转动。 Since the head portion (5) formed integrally provided based on the sleeve (4), and the head (5) against the proximal fractured bone lines (A) of the surface, such that when the head (5) is rotated, the sleeve (4) limited to rotate in place. 其结果是,杆体(3)的第二公螺纹(32)沿套筒(4)的母螺纹(42)移动,于是杆体(3)和套筒(4)间形成一相对位移,使得近侧断骨(A)及远侧断骨(B)相对地移动。 As a result, the second male threaded rod (3) (32) (42) movable in the sleeve (4) of the female screw, so the rod (3) and between sleeve (4) forming a relative displacement, such that the proximal broken bone (A) and a distal broken bone (B) is relatively moved.

[0029] 请参照图6,系绘示着此较佳例的骨钉用于骨折手术的另一种使用方式。 [0029] Referring to FIG 6, the system shows an alternative to using this preferred embodiment of the bone nail for the fracture. 于骨钉穿过近侧断骨(A)及远侧断骨(B)的孔洞前,将一骨板(6)抵靠于近侧断骨(A)的表面。 Prior to a fractured bone through the proximal pegs (A) and a distal broken bone (B) of the hole, a bone plate to (6) against the proximal surface of the fractured bone (A) is. 接着,骨钉依序地穿过骨板(6)及近侧断骨(A)、远侧断骨(B)的孔洞,使得头部(5)的第四公螺孔(52)螺接于骨板(6)。 Next, the pegs sequentially through the bone plate (6) and a proximal broken bone (A), the distal fractured bone (B) of the hole, so that the head (5) a fourth male screw (52) screwed a bone plate (6). 而且,骨板(6)上还螺接有多个用来固定于其它断骨的骨钉,藉由所有骨钉与骨板(6)的组合,提供了近侧断骨(A)、远侧断骨(B)及其它断骨支撑。 Further, the bone plate (6) further has a plurality of screwed for fixing broken bones to other bone screws, with combinations of all bone screw and bone plate (6), there is provided a proximal broken bone (A), the far side of the broken bone (B) and other supporting fractured bone.

[0030] 综合说明,此较佳例系透过其结构让近侧断骨(A)及远侧断骨(B)相对地移动,从而提供近侧断骨(A)及远侧断骨(B)复位及加压的功能。 [0030] comprehensive description, the preferred embodiment of this system allows the fractured bone proximally (A) and a distal broken bone (B) through its structure is relatively moved, thereby providing a proximal broken bone (A) and distal fractured bone ( B) reduction and pressurization function.

[0031] 虽然本发明已以较佳实施例揭露于上,然其并非用以限定本发明,本发明所属技术领域中具有通常知识者,在不脱离本发明的精神及范围内,当可作些许的更动与润饰,因此本发明的保护范围当视后附的申请`专利范围所请求者为准。 [0031] While the present invention has been disclosed in the embodiment to the preferred embodiment, they are not intended to limit the invention, skilled in the art the present invention has ordinary knowledge in the present invention without departing from the spirit and scope, it is to be some modifications and variations, and therefore the scope of the present invention when view appended patent application `requester range prevail.

Claims (9)

1.一种骨钉,系包括: 一杆体,分别形成有一第一公螺纹及一第二公螺纹于该杆体的二相对端部,其中该第一公螺纹系用来固定于一远侧断骨; 一套筒,用来插入至一近侧断骨,且该套筒具有一通孔,该通孔一侧内壁设有一咬合该杆体的第二公螺纹的母螺纹,使得该套筒环接该杆体设有该第二公螺纹的端部,用以使该近侧断骨及该远侧断骨连接;以及一头部,一体成形地设置于邻近该套筒的通孔另侧的外壁,用来抵靠于该近侧断骨的一表面; 藉此,当该头部转动时,该杆体和该套筒间会形成一相对位移,使得该近侧断骨及该远侧断骨相对地移动。 1. A bone nail, Department comprising: a body, there are formed two opposite ends of a first and a second male screw threaded on the male shaft, wherein the first male screw for securing to a distal based off bone; a sleeve for insertion into a proximal broken bone, and the sleeve has a through hole, the inner wall of the through hole side with a second female thread engaging a male thread of the rod body, so that the contact sleeve collar the rod is provided with an end portion of the second male thread for fractured bone so that the proximal and the distal connection broken bones; and a head portion, formed integrally provided on the other side of the through hole adjacent to the outer wall of the sleeve , to abut against a proximal surface of the fractured bone; whereby, when the rotation of the head, between the shaft and the sleeve form a relative displacement, such that the proximal and distal fractured bone fractured bone relatively moving.
2.如权利要求1所述的骨钉,其中该杆体更设有一尖端,该尖端系自设有该第一公螺纹的端部向外延伸。 2. The bone nail according to claim 1, wherein the rod body further provided with a tip that is provided with lines from the first end portion extending outwardly of the male screw.
3.如权利要求1所述的骨钉,其中该头部更开设有一卡制孔,该卡制孔系连通该套筒的通孔。 Bone nail according to claim 1, wherein the head portion further defines a hole card system, the communication system from the engaging hole of the sleeve through hole.
4.如权利要求3所述的骨钉,其中该卡制孔更有一抵止手段,以避免该杆体自该卡制孔凸出于该头部。 4. The bone nail according to claim 3, wherein the clamping aperture stop abutting a more means to prevent the rod from the clamping head portion protrudes from the hole.
5.如权利要求4所述的骨钉,其中该卡制孔的径向截面积系小于该第二公螺纹的最小径向截面积,以提供该抵止手段。 5. The bone nail according to claim 4, wherein the radial cross-sectional area from the engaging hole is smaller than the minimum radial sectional area of ​​the line of the second male thread, to provide the abutment stop means.
6.如权利要求3所述的骨钉,其中该杆体更设有一卡制槽,该卡制槽系设置于设有该第二公螺纹的端部并连通于该头部的卡制孔。 6. The bone nail according to claim 3, wherein the shaft further is provided with a clamping groove, the clamping groove is provided in the system is provided with an end portion of the second male threaded clamping bore and communicates with the head.
7.如权利要求6所述的骨钉,其中该头部的卡制孔的径向截面积系大于该杆体的卡制槽的径向截面积。 7. The bone nail according to claim 6, wherein the radial cross-sectional area of ​​the card-based drilling head is greater than the radial cross-sectional area of ​​the clamping groove of the rod body.
8.如权利要求1所述的骨钉,其中该套筒更设有一第三公螺纹,该第三公螺纹系设置于设有该母螺纹之侧的外壁,用以固定于该近侧断骨。 8. The bone nail according to claim 1, wherein the sleeve is further provided with a third male thread, the male thread third line disposed on the side provided with the outer wall of the female screw for fixing to the proximal off bone.
9.如权利要求1所述的骨钉,其中该头部更环设有一第四公螺纹,用以螺接于一骨板。 9. The bone nail according to claim 1, wherein the head portion further has a fourth male threaded ring for screwing in a bone plate.
CN201210325947.0A 2012-09-06 2012-09-06 Bone peg with reposition and pressurization functions CN103654935A (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103054642A (en) * 2012-11-23 2013-04-24 许家豪 Detachable resetting compression bone nail
CN104323850A (en) * 2014-09-13 2015-02-04 吴爱悯 Transpedicular intervertebral disc diagonal compressible and extensible hollow screw

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CN1511013A (en) * 2001-03-30 2004-07-07 特雷埃吉医药有限公司 Distal bone anchors for bone fixation with secondary compression
WO2004069065A1 (en) * 2003-02-10 2004-08-19 Cell Center Cologne Gmbh Dynamic epiphysial telescopic screw
US20110184472A1 (en) * 2008-10-07 2011-07-28 Alfred Niederberger Expandable Bone Support

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Publication number Priority date Publication date Assignee Title
US4456005A (en) * 1982-09-30 1984-06-26 Lichty Terry K External compression bone fixation device
US5498265A (en) * 1991-03-05 1996-03-12 Howmedica Inc. Screw and driver
CN1511013A (en) * 2001-03-30 2004-07-07 特雷埃吉医药有限公司 Distal bone anchors for bone fixation with secondary compression
WO2004069065A1 (en) * 2003-02-10 2004-08-19 Cell Center Cologne Gmbh Dynamic epiphysial telescopic screw
US20110184472A1 (en) * 2008-10-07 2011-07-28 Alfred Niederberger Expandable Bone Support

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103054642A (en) * 2012-11-23 2013-04-24 许家豪 Detachable resetting compression bone nail
CN103054642B (en) * 2012-11-23 2015-03-18 许家豪 Detachable resetting compression bone nail
CN104323850A (en) * 2014-09-13 2015-02-04 吴爱悯 Transpedicular intervertebral disc diagonal compressible and extensible hollow screw

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