CN104287794A - Minimally invasive traction bar - Google Patents

Minimally invasive traction bar Download PDF

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Publication number
CN104287794A
CN104287794A CN201410556299.9A CN201410556299A CN104287794A CN 104287794 A CN104287794 A CN 104287794A CN 201410556299 A CN201410556299 A CN 201410556299A CN 104287794 A CN104287794 A CN 104287794A
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China
Prior art keywords
rod
bar body
minimally invasive
gauze
upper
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CN201410556299.9A
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Chinese (zh)
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CN104287794B (en
Inventor
李勇
陈晓云
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李勇
石家庄曼迪恩生物科技有限公司
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Priority to CN201410556299.9A priority Critical patent/CN104287794B/en
Publication of CN104287794A publication Critical patent/CN104287794A/en
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    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/02Surgical instruments, devices or methods, e.g. tourniquets for holding wounds open; Tractors
    • A61B17/0218Surgical instruments, devices or methods, e.g. tourniquets for holding wounds open; Tractors for minimally invasive surgery

Abstract

The invention discloses a minimally invasive traction bar, and relates to the technical field of medical surgical instruments. The minimally invasive traction bar comprises a bar body and a chuck, wherein the chuck is connected with the lower end of the bar body through a clamping connection mechanism; the upper end of the bar body is a smooth curved surface; more than two through holes which run through the bar body along the axial direction are formed in the bar body; the through holes are uniformly distributed and arrayed along a center line, which serves as a center shaft, of the bar body; the upper ends of the through holes extend to the outer side of the bar body and are communicated with an exposed oblique groove in the periphery of an upper portion of the bar body; more than two steel wires are fixed on the upper end surface of the chuck and respectively penetrate in the through holes of the bar body; the upper ends of the steel wires extend out of the bar body along the groove; gauze wound at the upper end of the bar body can be clamped tightly; and a gauze locking structure is also arranged on the upper section of the bar body. The gauze wraps the upper section of the bar body; the steel wires are inserted in the through holes of the bar body; while the chuck is pushed towards the bar body, the upper ends of the steel wires extend out of the bar body along the through holes and the groove; and the gauze is firmly fixed under the clamping effect of the two steel wires. By the minimally invasive traction bar, tissue is convenient to drag, the surgery operation speed is increased, and the safety degree is improved.

Description

微创牵拉棒 Minimally invasive traction bar

技术领域 FIELD

[0001] 本发明涉及医疗手术器械技术领域。 [0001] The present invention relates to the technical field of medical surgical instruments.

背景技术 Background technique

[0002] 手术视野的充分暴露是决定手术成功的重要因素之一。 [0002] fully exposed to the surgical field is one of the important factors that determine the success of the surgery. 在一些外科手术过程中,器官等身体组织可能阻挡外科医生在手术中需要触及的区域。 In some surgical procedures, organ and other body tissues may block area surgeon during surgery need to reach. 传统上外科手术使用拉钩,根据不同手术采用不同形态的拉钩作为牵开器,使手术部位显露良好。 Conventionally surgical retractors used, according to different surgical retractor as different forms of the retractor, the surgical site revealed good. 但随着微创技术的发展,手术切口越来越小,拉钩显然不适合诸如腔镜或内窥镜式手术的微创手术。 But with the development of minimally invasive techniques, smaller incision, obviously not suitable for minimally invasive surgical retractor, such as laparoscopic or endoscopic surgery.

[0003] 腔镜手术即是外科医师通过从小切口插入细小的光源、摄像机后传输出的监视器图像来引导操作外科器械实施的微创手术。 [0003] That is laparoscopic surgery through a small incision into the surgeon small light transmission out of the rear camera monitor image guided minimally invasive surgical procedure of surgical instrument embodiment. 由于微创手术切口较小,拉钩不方便进入切口,有的甚至是无法进入手术切口,因而术者(实施手术的人)通常使用有光滑头部的金属杆体深入切口内部将组织拨开,但体内的组织都较为光滑,很难将其拨开。 Due to the small incision minimally invasive surgery, retractors into the incision not convenient, some are even unable to enter the surgical incision, so the surgeon (proceduralist) usually have a smooth metal rod head deep inside the tissue incision poke, but the body's tissues are relatively smooth, it is difficult to poke. 因此,术者会在金属杆体与组织之间加入一层纱布,以增大两者之间的摩擦力,使组织不容易滑落。 Thus, the surgeon will be added between the metal rod and the tissue layer of gauze to increase the frictional force therebetween, the tissue will not fall off. 但在腔镜手术中,手术切口太小,无法方便的递送纱布至牵拉部位,且当需要牵拉的组织较切口很深时,更是难以实现纱布的递送,从而使得手术视野不清晰,造成手术时间延长,增加手术风险。 However, in endoscopic surgery, the incision is too small to pull gauze convenient delivery site, and when required pulled deep incision than tissue, is difficult to achieve delivery of the gauze, so that the operative field is not clear, resulting in prolonged operative time, increased surgical risk.

发明内容 SUMMARY

[0004] 本发明所要解决的技术问题是提供一种结构简单、操作方便、使纱布不易滑脱、方便对切口深处的组织或器官进行牵拉的微创牵拉棒,提高了手术操作速度和安全程度,尤其适用于微创手术操作中。 [0004] The present invention solves the technical problem to provide a simple structure, easy to operate, easy to slip so that the gauze, to facilitate the incision of the deep tissues or organs minimally invasive pull rod is pulled, the operation speed and increase the surgical safety, especially for minimally invasive surgical procedures.

[0005] 为解决上述技术问题,本发明所采取的技术方案是: [0005] To solve the above technical problem, the technical solution by the present invention are:

一种微创牵拉棒,包括杆体和卡头,所述卡头通过卡接机构与杆体下端连接;所述杆体上端为圆滑的曲面,所述杆体内设有两个以上的沿轴向贯通的通孔,所述通孔以杆体的中心线为中心轴均布排列,所述通孔上端延伸至杆体外侧且与杆体偏上部分外周外露的斜向凹槽贯通;所述卡头上端面固定两根以上的钢丝,所述钢丝分别穿过所述杆体的通孔且上端沿着凹槽伸出杆体外,能将杆体上端缠绕的纱布卡紧;所述杆体上段还设有纱布防脱结构。 A minimally invasive pulling rod, the rod comprising a body and a chuck, the chuck mechanism connected by a detent lever lower end; an upper end thereof is a smooth curved surface of the rod, the rod body is provided with two or more axially extending through a through hole, the through hole to the centerline axis as a center rod arranged uniformly distributed, the upper end of the through hole and the rod extends to the outside of the outer periphery of the exposed portion of the slanted recess and the through rod bias; head end surface of the card fixing two or more wires, the wires respectively through the through-hole and the upper end of the rod member extends along the groove in vitro rod, the upper end of the rod member can chucking gauze wound; the rod body segment further has a retaining gauze structure.

[0006] 优选的,所述通孔和斜向凹槽均以杆体的中心线为中心轴均布排列。 [0006] Preferably, the through hole and groove are oblique line of the rod as a central axis thereof arranged uniformly distributed.

[0007] 优选的,所述杆体内通孔为两个,所述钢丝为两根。 [0007] Preferably, the through-hole of the lever body is two, two of the wires.

[0008] 优选的,所述卡接机构包括卡头上端面的两个弹性插接头和杆体下端面的两个卡槽,所述两个弹性插接头与杆体下端面的两个卡槽卡接。 [0008] Preferably, the detent means comprises two elastic locking head end surface of the plug connector end faces two slots and the rod body, the two end faces of the resilient plug connector and two slots snap rod .

[0009] 优选的,所述杆体上段设有倒锥体,所述倒锥体的顶端为球冠状,所述倒锥体下端与圆柱形的杆体相连,与通孔贯通的斜向凹槽设在所述倒锥体部分。 [0009] Preferably, the upper rod section is provided with the top inverted cone, the inverted cone is a spherical cap, the lower inverted cone with a cylindrical rod connected to the through hole penetrating obliquely arranged recess in the inverted cone section.

[0010] 优选的,所述纱布防脱结构为杆体的上端部外表面上分布的十字形凸起。 [0010] Preferably, the gauze retaining structure outer surface of the upper cross portion of the distribution shaft projection.

[0011] 优选的,所述杆体上段倒锥体的长度为6cm,所述圆柱形杆体的长度为34cm、直径为5mm,所述钢丝直径为2mm,所述钢丝长度为39cm。 [0011] Preferably, the length of the inverted cone section of the rod is 6cm, the length of the cylindrical rod body is 34cm, diameter of 5mm, the wire diameter is 2mm, the wire length is 39cm.

[0012] 采用上述技术方案所产生的有益效果在于:在杆体内设沿轴向贯通的通孔,通孔上端与杆体上的倒锥体外周外露的凹槽贯通,将卡头上固定的钢丝穿插在通孔内,将纱布包裹在倒锥体上,利用其外表面上的十字形凸起增大杆体表面与纱布的摩擦力,防止纱布滑脱,将卡头上端面的弹性插接头推至杆体下端面的卡槽内与之卡接牢固,钢丝的上端则会沿着通孔、凹槽伸出杆体外,在两根刚性的钢丝夹持下将纱布牢牢固定在杆体上。 [0012] With the above technical solutions that produced beneficial effects: a through hole provided in the rod axially extending through the body, inverted cone with an upper end of the through hole on the outer periphery of the rod is exposed through the groove, the head of the wire fixed card inserted in the through hole, wrapped in gauze inverted cone, the use of cross-shaped projections on its outer surface and increase the friction surface of the rod gauze, gauze to prevent slippage, the head end surface of the elastic locking the plug connector to push the lower end surface of the rod slot snap firmly thereto, will be the upper end of the wire through hole along the groove extending rods in vitro, in two rigid clamping wire gauze firmly fixed on the rod. 利用本发明不仅能应用于常规手术中,还能应用于腔镜手术或较深组织的手术中,可以方便的进入切口,且不与其他手术器械相干扰,必要的时候还可以伸进多根牵拉棒以实现对较大组织的牵拉,同时纱布的存在增大了组织与牵拉棒之间的摩擦力,使得能方便且安全的将组织牵拉,以达到手术视野的充分暴露。 With the present invention can be applied not only to conventional surgery, endoscopic surgery or surgery can also be applied deeper tissue, you can easily enter the incision, and does not interfere with other surgical instruments, when necessary, may further extend into a plurality of pulling the pulling rod to achieve a larger organization, while the presence of the gauze increases the frictional force between the tissue and the pulling rod, enables convenient and safe pulling of the tissue, in order to achieve fully expose the surgical field. 本发明具有结构简单、使纱布不易滑脱、方便对切口深处的组织或器官进行牵拉的微创牵拉棒,提高了手术操作速度和安全程度。 The present invention has simple structure, easy to slip so that the gauze, to facilitate the incision deep tissues or organs minimally invasive pull rod is pulled, the operation speed and improve surgical safety.

附图说明 BRIEF DESCRIPTION

[0013] 图1是本发明的结构示意图; [0013] FIG. 1 is a structural diagram of the present invention;

图2是图1中AA剖视图; FIG 2 is a sectional view AA of Figure 1;

图3是图1中BB剖面图; FIG 3 is a sectional view BB in Figure 1;

图4是图1中卡头的结构示意图; FIG 4 is a schematic view of the chuck of Figure 1;

图5是图4的左视图; FIG 5 is a left side view of Figure 4;

图中:1-杆体,2-卡头,3-钢丝,4-弹性插接头,5-凸起,6-卡槽,7-凹槽。 REFERENCE NUMERALS 1: rod, chuck 2-, 3- wire, an elastic plug connectors 4-, 5- protrusion, slot 6-, 7- recess.

具体实施方式 Detailed ways

[0014] 下面结合附图和具体实施方式对本发明作进一步详细的说明。 [0014] The present invention will be further described in detail in conjunction with accompanying drawings and specific embodiments.

[0015] 如图1一5所示的一种微创牵拉棒,包括杆体I和卡头2,所述卡头2通过卡接机构与杆体I下端连接;所述杆体I上端为圆滑的曲面,所述杆体I内设有两个以上的沿轴向贯通的通孔,所述通孔上端延伸至杆体I外侧且与杆体I偏上部分外周外露的斜向凹槽7贯通;所述卡头2上端面固定两根以上的钢丝3,所述钢丝3分别穿过所述杆体I的通孔且上端沿着凹槽7伸出杆体I外,能将杆体I上端缠绕的纱布卡紧;所述杆体I上段还设有纱布防脱结构。 [0015] A minimally invasive pulling rod shown in FIG. 1, a 5, comprising a chuck shaft I and 2, the chuck 2 is connected to the lower end I through the rod detent mechanism; the upper end of the rod I is rounded curved surface, said body I features more than two through holes penetrating in the axial direction, the through hole extending to the outside of the upper end of the rod and the rod body I and the outer periphery of the oblique groove portion 7 exposed through the I bias; the 2 fixed chuck end surface of two or more wires 3, the wires respectively through the through-hole 3 of the rod body I and the upper end 7 extends along the groove outer shaft I, I can lever the upper end of the card body gauze wound tight ; I upper section of the rod retaining structure further provided with a gauze.

[0016] 作为一种优选结构,所述通孔和斜向凹槽7均以杆体I的中心线为中心轴均布排列。 [0016] As a preferred configuration, the vias and recesses 7 are oblique shaft center line I of a central axis aligned uniformly distributed. 为了便于制作,所述杆体内通孔为两个,卡头2上的钢丝3为两根。 For ease of fabrication, the two through holes rod body, the wire 2 on the chuck 3 is two.

[0017] 所述卡接机构包括卡头2上端面的两个弹性插接头4和杆体I下端面的两个卡槽6,所述两个弹性插接头4与杆体I下端面的两个卡槽6卡接。 Two elastic [0017] The detent mechanism includes a chuck 2 on the end face of the plug connector 4 and the end face of the shaft I the two slots 6, the two elastic plug connector 4 and the two cards at the end face of the rod I 6 card slots connected. 两个弹性插接头4与杆体I的连接方式与网线水晶接头的插接方式相同,将弹性卡头2的弹性插接头4推入杆体下端的卡槽6内,即可实现二者的连接,同样拆卸也方便。 Two resilient plug connector 4 is connected to the shaft I manner crystal connector plug cable embodiment is the same as the elasticity of the elastic chuck 2 of the plug connector 4 is pushed into the lower end of the rod 6 slot, you can achieve the connection between the two, The same is also easy to disassemble. 所述卡接机构也可在卡头2上端设固定销,在杆体I下端设与之紧配合的孔来固定卡头2,或二者间采用碰珠结构的配合。 The detent means may be provided at the upper end of the fixing pin chuck 2, the lower end of the rod I is provided with tight-fitting hole to fix the chuck 2, or between the two touch beads using mating structure.

[0018] 作为一种优选结构,所述杆体I上段设有倒锥体,所述倒锥体的顶端为球冠状,所述倒锥体下端与圆柱形的杆体I相连,与通孔贯通的斜向凹槽7设在所述倒锥体部分,倒锥体的结构也可避免其上包裹的纱布滑脱。 [0018] As a preferred configuration, the shaft section is provided with the I inverted cone, the inverted cone of the top spherical cap, the lower inverted cone with a cylindrical rod connected to I, the through hole penetrating slanted recess 7 provided in the inverted cone part, inverted cone structure may be wrapped in gauze to avoid slippage thereon. 同时为了增大杆体I与纱布之间的摩擦力,防止在手术过程中纱布从杆体I上脱落,在杆体I上段还设有纱布防脱结构,所述纱布防脱结构为杆体(I)上端部的外表面上分布的十字形凸起5,纱布防脱结构也可为网纹面或尖锥状突起。 And in order to increase the frictional force between the shaft I with gauze to prevent the gauze from coming off the rod body I during surgery on the rod segment I is also provided with a gauze retaining structure, the gauze retaining structure of the upper end (I) rod an outer cross section of the profile surface projections 5, gauze retaining structure may be a protrusion or cone-shaped surface is textured. 这样就使纱布在杆体I上端固定牢固,同时纱布的存在增大了组织与牵拉棒之间的摩擦力,使得能方便且安全的将组织牵拉,以达到手术视野的充分暴露。 This causes the upper end of the gauze firmly fixed shaft I, while the presence of the gauze increases the frictional force between the tissue and the pulling rod, enables convenient and safe pulling of the tissue, in order to achieve fully expose the surgical field.

[0019] 为了适应较深层组织的操作,将杆体I上段倒锥体的长度设计为6cm,圆柱形杆体I的长度为34cm、直径为5mm,所述钢丝3直径为2mm,所述钢丝3长度为39cm。 [0019] In order to adapt the operation deeper tissue, the length of the I section of the inverted cone rod design 6cm, cylindrical rod of length I 34cm, diameter is 5mm, the diameter of the wire 3 is 2mm, the length of the wire 3 to 39cm. 杆体I的直径仅为5mm,钢丝3直径为2mm,其内通孔只能为两个,5mm的杆体I直径可以方便的进入切口,且不与其他手术器械相干扰,必要的时候还可以伸进多根牵拉棒以实现对较大组织的牵拉。 The diameter of the rod I is only 5mm, the wire 3 having a diameter of 2mm, an inner through hole can only be two, 5mm diameter shank I can easily enter the incision, and does not interfere with other surgical instruments, when necessary, may further extend into a plurality of rods to effect pulling of the puller larger organization.

[0020] 具体操作时,将纱布包裹在杆体I上的倒锥体外表面,利用其外表面上的十字形凸起5增大杆体I与纱布的摩擦力,防止纱布滑脱,将卡头2上固定的两根钢丝3穿插在杆体I内的两个通孔内,将卡头2上端面的弹性插接头4推至杆体I下端面的卡槽6内与之卡接牢固,钢丝3则会沿着通孔、凹槽7伸出杆体I外,在两根刚性的钢丝3夹持下将纱布牢牢固定在杆体I上,为了便于钢丝3在出口端顺利伸出,使钢丝3的上端向外微微翘起。 [0020] Specific operation, the outer surface of the inverted cone gauze wrapped on the rod body I, the use of a cross-shaped projections on its outer surface the rod 5 is increased and the gauze I frictional force to prevent slipping gauze, on the chuck 2 the filaments are fixed in the rod body 3 is inserted I through the two holes on the end face of the chuck 2 the elastic connector 4 is inserted to the end face of the push rod within the slot 6 I snap securely thereto, wire 3 will along the through-hole, the groove 7 extends outside the rod I, 3 at two rigid clamping wire gauze firmly fixed on the shaft I, in order to facilitate the smooth steel wire 3 protrudes at the outlet end, so that the upper end of the wire 3 slight tilt outwardly.

[0021] 本发明不仅能应用于常规手术中,还能应用于腔镜手术或较深组织的手术中,可以方便的进入切口,且不与其他手术器械相干扰,必要的时候还可以伸进多根牵拉棒以实现对较大组织的牵拉,同时纱布的存在增大了组织与牵拉棒之间的摩擦力,使得能方便且安全的将组织牵拉,以达到手术视野的充分暴露。 [0021] The present invention is applicable not only to conventional surgery, the surgery can be applied to deeper tissue or laparoscopic surgery, the incision can easily enter, and does not interfere with other surgical instruments, when necessary, may further extend into a plurality of pull rod to effect pulling of the larger organization, while the presence of the gauze increases the frictional force between the tissue and the pulling rod, enables convenient and safe pulling of the tissue to reach the surgical field sufficiently exposure. 本发明具有结构简单、操作方便、使纱布不易滑脱、方便对切口深处的组织或器官进行牵拉的微创牵拉棒,提高了手术操作速度和安全程度,尤其适用于微创手术操作中。 The present invention has simple structure, easy to operate, easy to slip so that the gauze, to facilitate the incision of the deep tissues or organs minimally invasive pull rod is pulled, the operation speed and improve surgical safety, especially for minimally invasive surgical procedure .

Claims (7)

1.一种微创牵拉棒,其特征在于:包括杆体(1)和卡头(2),所述卡头(2)通过卡接机构与杆体(1)下端连接;所述杆体(1)上端为圆滑的曲面,所述杆体(1)内设有两个以上的沿轴向贯通的通孔,所述通孔以杆体(1)的中心线为中心轴均布排列,所述通孔上端延伸至杆体(1)外侧且与杆体(1)偏上部分外周外露的斜向凹槽(7)贯通;所述卡头(2)上端面固定两根以上的钢丝(3),所述钢丝(3)分别穿过所述杆体(1)的通孔且上端沿着凹槽(7)伸出杆体(1)外,能将杆体(1)上端缠绕的纱布卡紧;所述杆体(1)上段还设有纱布防脱结构。 1. A minimally invasive pull rod, characterized by: a shaft (1) and the chuck (2), said chuck (2) (1) a lower end connected by a rod detent mechanism; the rod (1 ) is a smooth curved upper end, said rod (1) is provided with two or more through-holes penetrating in the axial direction, the center line of the shaft through holes (1) are arranged uniformly distributed as a center axis, said through extends to an upper end of the rod (1) and outer slanted recess (7) and the exposed portion of the outer periphery of the rod (1) through the bias; upper end surface of the chuck (2) is fixed at least two wires (3), the said wires (3) extend through said body (1) and the upper end of the through hole along the groove (7) projecting shaft (1), a rod capable of (1) an upper chucking gauze wound; said rod (1) it is also provided with upper retaining structure gauze.
2.根据权利要求1所述的微创牵拉棒,其特征在于:所述通孔和斜向凹槽(7)均以杆体(1)的中心线为中心轴均布排列。 The minimally invasive pulling rod according to claim 1, wherein: the through hole and the center line of the oblique grooves (7) are rod (1) as a central axis aligned uniformly distributed.
3.根据权利要求1所述的微创牵拉棒,其特征在于:所述杆体(1)内通孔为两个,所述钢丝(3)为两根。 The minimally invasive pulling rod according to claim 1, wherein: said shaft (1) within the two through holes, said wire (3) is two.
4.根据权利要求3所述的微创牵拉棒,其特征在于:所述卡接机构包括卡头(2)上端面的两个弹性插接头(4 )和杆体(1)下端面的两个卡槽(6 ),所述两个弹性插接头(4 )与杆体(1)下端面的两个卡槽(6)卡接。 The minimally invasive pulling rod according to claim 3, wherein: the end surface of the chuck comprises a detent mechanism (2) on the two end faces of the elastic plug connector (4) and the rod body (1) at two a slot (6), said two elastic plug connector (4) and the end face of the shaft (1) two slots (6) snap.
5.根据权利要求1所述的微创牵拉棒,其特征在于:所述杆体(1)上段设有倒锥体,所述倒锥体的顶端为球冠状,所述倒锥体下端与圆柱形的杆体(1)相连,与通孔贯通的斜向凹槽(7)设在所述倒锥体部分。 The minimally invasive pulling rod according to claim 1, wherein: said shaft (1) is provided with upper inverted cone, the inverted cone of the top spherical cap, and the lower end of the inverted cone a cylindrical rod (1) is connected to the through-hole penetrating the slanted recess (7) provided in the inverted cone section.
6.根据权利要求1或4所述的微创牵拉棒,其特征在于:所述纱布防脱结构为杆体(1)的上端部外表面上分布的十字形凸起(5)。 The minimally invasive or pulling rod according to claim 4, characterized in that: a cross section profile of the outer surface of the upper retaining gauze shaft structure (1) of the projection (5).
7.根据权利要求5所述的微创牵拉棒,其特征在于:所述杆体(1)上段倒锥体的长度为6cm,所述圆柱形杆体(1)的长度为34cm、直径为5mm,所述钢丝(3)直径为2mm,所述钢丝(3)长度为39cm。 The minimally invasive pulling rod according to claim 5, wherein: said shaft (1) the length of the upper inverted cone is 6cm, the length of the cylindrical rod (1) is 34cm, 5mm diameter the wire (3) having a diameter of 2mm, the wire (3) a length of 39cm.
CN201410556299.9A 2014-10-20 2014-10-20 Minimally invasive traction bar CN104287794B (en)

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2005120366A2 (en) * 2004-06-07 2005-12-22 Ophir Fromovich Periosteal distraction
CN2824845Y (en) * 2005-09-01 2006-10-11 程军 Steel wire traction device for orthopedics department
CN202699198U (en) * 2012-07-03 2013-01-30 钱继涛 Stay bar for multifunctional abdominal retractor
US20130281784A1 (en) * 2012-04-23 2013-10-24 Stephen P. RAY Surgical sleeve suction retractor
CN204133511U (en) * 2014-10-20 2015-02-04 李勇 Minimally-invasive traction bar

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2005120366A2 (en) * 2004-06-07 2005-12-22 Ophir Fromovich Periosteal distraction
CN2824845Y (en) * 2005-09-01 2006-10-11 程军 Steel wire traction device for orthopedics department
US20130281784A1 (en) * 2012-04-23 2013-10-24 Stephen P. RAY Surgical sleeve suction retractor
CN202699198U (en) * 2012-07-03 2013-01-30 钱继涛 Stay bar for multifunctional abdominal retractor
CN204133511U (en) * 2014-10-20 2015-02-04 李勇 Minimally-invasive traction bar

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