CN105342539A - Endoscope bend tube - Google Patents

Endoscope bend tube Download PDF

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Publication number
CN105342539A
CN105342539A CN201510770248.0A CN201510770248A CN105342539A CN 105342539 A CN105342539 A CN 105342539A CN 201510770248 A CN201510770248 A CN 201510770248A CN 105342539 A CN105342539 A CN 105342539A
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China
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portion
composition
la
lb
tube
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CN201510770248.0A
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Chinese (zh)
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王珍玮
黄宏辉
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珠海普生医疗科技有限公司
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Priority to CN201510770248.0A priority Critical patent/CN105342539A/en
Publication of CN105342539A publication Critical patent/CN105342539A/en

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Abstract

The invention aims to provide an endoscope bend tube which is simple in structure, convenient to manufacture and convenient and quick in mounting of components. The endoscope bend tube comprises two semicircular-tube-shaped and bendable composing portions (1a and 1b), a tube body (2) with an internal tube cavity is formed after the composing portions (1a and 1b) are docked, a plurality of compression grooves (3) distributed radially and providing bending space for the tube body (2) are formed in the axial direction of each of the composing portions (1a and 1b), and radian of each compression groove (3) is smaller than that of each of the composing portions (1a and 1b). The endoscope bend tube can be applied in the field of endoscope equipment.

Description

内窥镜弯曲管 The endoscope bending tube

技术领域 FIELD

[0001] 本发明涉及一种探视设备,尤其涉及一种内窥镜弯曲管。 [0001] The present invention relates to a device visits, and particularly to an endoscope bending tube.

背景技术 Background technique

[0002] 内窥镜一般包括先端部和骨架,在先端部内设置有镜头、光源等部件,利用穿过骨架内的角度钢丝可以控制先端部进行弯曲转向。 [0002] The endoscope generally includes a distal portion and a skeleton provided in the apex portion of the lens member, a light source, etc., through the use of angle steel in the backbone unit can be bent tip steering control. 如公开号为CN102497801B的中国专利中公开了一种内窥镜弯曲部,该内窥镜弯曲部包括多个节环28a和28b,相邻的突起型节环28a与孔型节环28b,突起型舌片部31a与孔型舌片部31b从径向内侧向径向外侧重叠,突起型舌片部31a的突起部32插入在孔型舌片部31b的孔部33内。 The China Patent Publication No. CN102497801B disclosed an endoscope bending portion of the endoscope bending portion includes a plurality of ring sections 28a and 28b, adjacent projections 28a and the groove ring section type ring section 28b, protrusion type tongue portion 31a and the groove 31b overlaps the tongue portions radially inward from the radially outward projecting portion 31a of the tongue-type projection portion 32 is inserted in the hole grooved portion 33 of the tongue portion 31b. 突起部32在孔部33内能够以突起部32的中心轴线为中心旋转。 The projection portion 32 in the hole 33 can be a central axis of the projection portion 32 is rotated. 因这种突起部32在孔部33内的旋转,突起型舌片部31a与孔型舌片部31b相互转动,突起型节环28a与孔型节环28b相互转动。 This projecting portion 32 by the rotation in the hole 33, the protrusion portion 31a and the tongue-type grooved tongue portion 31b is rotated to each other, the projection-type ring section 28a and the groove 28b mutual rotation of the ring section. 在此,关于突起型节环28a,顶端侧、基端侧的一对突起型舌片部31a分别配置在左右、上下的位置,关于孔型舌片部31b,顶端侧、基端侧的一对孔型舌片部31b分别配置在上下、左右的位置。 Here, the projection-type ring section 28a, to the top side, the pair of tongue-type projection portion 31a of the base end side are disposed at right and left, upper and lower positions, with respect to 31b, the top side, the base end side of the grooved portion of a tongue tongues of grooved portions 31b are disposed at the upper and lower, left and right positions. 因此,对于预定的突起型节环28a,顶端侧、基端侧的孔型节环28b能够分别沿上下方向、左右方向转动,另外,对于预定的孔型节环28b,顶端侧、基端侧的突起型节环28a能够分别沿左右方向、上下方向转动,弯曲管整体能够沿上下左右方向弯曲。 Thus, for a predetermined projection-type ring section 28a, to the top side, the base end side of the grooved sections 28b can each rotation of the ring in the vertical direction, the horizontal direction, In addition, for a predetermined section of the grooved ring 28b, the distal end side, proximal side the projection-type ring section 28a can each lateral direction, the vertical direction is rotated, the entire bending tube can be bent in vertical and horizontal directions. 但这种结构需要将节环28a和28b依次连接后才能成为弯曲部,其结构复杂,需要工作人员付出高强度的劳动才能实现,而其部件数量多,制作成本同样高企。 However, this configuration requires the rear node rings 28a and 28b are sequentially connected to a curved portion, complicated structure, staff needs to pay labor to achieve high intensity, while the number of multi-component, the same high manufacturing cost. 此外,由于弯曲部分直径非常小,所以在对弯曲先端部内的构件进行安装设置同样会是一项艰难的事情。 Further, since the bent portion diameter is very small, in the installation set components within the curved distal end portion it will also be a difficult matter.

[0003] 又如公开号为CN102858227B的中国专利公开了一种内窥镜,该内窥镜镜具有:主动弯曲部11,其设置在插入部中,相邻的弯曲块I Ia间通过多个转动轴35a、35b而连结成转动自如,各转动轴35a、35b在弯曲块Ila的圆周方向J上相差90°,该主动弯曲部11根据弯曲操作而弯曲自如;以及被动弯曲部13,其设置在比主动弯曲部11更靠基端侧,相邻的弯曲块13a间通过多个转动轴45a〜45c而连结成转动自如,各转动轴45a〜45c在圆周方向J上相差60°,该被动弯曲部13受到外力时能够自如地被动弯曲。 [0003] Another example is disclosed in Chinese patent No. CN102858227B discloses an endoscope, the endoscope which includes: an active bending portion 11, which is provided in the insertion portion, between adjacent bending pieces by a plurality of I Ia rotary shaft 35a, 35b and rotatably connected to respective rotation shafts 35a, 35b differ by 90 ° in the circumferential direction J bending pieces Ila, and the active bending portion 11 according to the bending operation of the bendable; and a passive bending portion 13, which is provided and rotatably connected to each rotary shaft 45a~45c difference of 60 ° in the circumferential direction J between the bent piece 13a on the proximal end side than the active bending portion 11, adjacent to the rotation shaft through a plurality of 45a~45c, the passive can be freely passive bending portion 13 is bent by an external force. 同样地,该内窥镜的弯曲部同样由多个弯曲块Ila连接而成,其结构同样复杂,也需要工作人员付出高强度的劳动才能实现,而其部件数量多,制作成本同样高企。 Likewise, the bent portion of the endoscope is also connected by a plurality of bending pieces formed Ila, equally complex structure also requires staff to pay labor to achieve high strength, while the number of multi-components, the same high manufacturing cost. 这种弯曲部同样存在内部组件安装困难的问题。 Such curved portion of the same problems difficult to install the internal components.

[0004] 又如公开号为CN104023616A的中国专利申请公开了一种内窥镜用弯曲管,该内窥镜用弯曲管包括:多个第I弯曲用狭缝33a,其沿着圆筒状的弯曲管主体31的长度轴线O方向每隔设定间隔地设置,并在该弯曲管主体31的周向上延伸。 [0004] Another example is disclosed in Chinese Patent No. CN104023616A application discloses an endoscope with a bending tube of the endoscope bending tube comprising: a plurality of I bending slits 33a, along a cylindrical longitudinal direction of the bending axis O of the main body 31 is provided every set interval, and extend in the circumferential direction of the bending tube 31 of the body. 该文献中披露的弯曲管虽然为一体式,但也同样地存在加工困难,内部构件安装困难的问题。 The bending tube disclosed in the literature, although in one piece, but also difficult to process, difficult installation problems inner member.

发明内容 SUMMARY

[0005] 本发明所要解决的技术问题是克服现有技术的不足,旨在提供一种结构简单、加工方便、构件安装便捷的内窥镜弯曲管。 [0005] The present invention solves the technical problem to overcome deficiencies of the prior art, it aims at providing a simple structure, easy processing and easy installation member bending tube of an endoscope.

[0006] 本发明所采用的技术方案是:本发明包括两个呈半圆管状且可弯曲的组成部,两个所述组成部对接后构成具有内部管腔的管体,在所述组成部的轴线方向上均设置有若干径向分布的提供所述管体弯曲空间的压缩槽,若干所述压缩槽的弧度小于所述组成部的弧度;本发明所述的内窥镜弯曲管利用双组成部连接构成弯曲管管体的形式,在进行加工时,可快速地在每一组成部上开设压缩槽,同时可先在组成部内设置供弯曲导向线通过的导向孔并在导向孔内放置弯曲导向线,并将内窥镜的构件设置在相应的组成部上,最后将两部分组成部连接,完成连接的两个组成部共同构成内窥镜弯曲管,通过弯曲导向线的控制,可使得该内窥镜弯曲管向设置有压缩槽的两个方向弯曲,以完成内窥镜弯曲管的功能,从而快速地实现内窥镜弯曲管部分的加工和安装,能 [0006] The technical proposal of the present invention are: the composition of the present invention comprises two semicircular tubular portion and bendable to form a tubular body having an interior lumen of the composition after two abutting portions in the constituent unit the axial direction is provided with the compressed grooves provided in the tubular body bending space of several radially distributed, a plurality of the compressed groove is smaller than the curvature of the arc portion of the composition; an endoscope bending tube of the present invention is composed using two form curved tube portion constituting connection member, during processing, can be quickly set up compression on each component of the groove, while the first set for the curved guide wire through a guide hole portion in the composition and placed in the curved guide hole guide wire, and the endoscope is provided on the corresponding member integral part of, the last two connected parts, consisting of two complete connecting portions constitute an endoscope bending tube, by controlling the bending of the guide wire, may cause the bending tube of the endoscope is provided with a curved two directions toward a compressed groove, to perform the functions of the bending tube of the endoscope, thereby rapidly achieve the bending tube of the endoscope and the processing of the mounting portion, can 大地提高生产效率,降低工作人员的安装劳动强度;同时该结构简单,加工极其方便,制作成本低,同时也能更好地控制加工精度,提尚广品的质量。 Greatly improves productivity and reduce labor intensity installation staff; while the structure is simple, extremely easy processing, low production cost, but also to better control the machining accuracy, improve the quality of goods is still wide.

[0007] 进一步地,在所述组成部上设置有连接部,所述连接部分别设置在半圆管状的组成部的径向端部;所述连接部设置在半圆管状的组成部的径向端部位置上,当两个组成部合并连接时,能够快速地实现连接,尤其是采用超声波焊接,可保证两个组成部的连接效果较好,同时,作为管体的一部分,连接后的连接部一起作为内窥镜起支撑作用的部分。 [0007] Further, the connecting portion is provided on the portion of the composition, said connecting portions are provided at an end portion of the radial component of the semicircular tubular; radial component of the connector portion provided at an end of the tubular semicircle position on the connecting portion, when the two components were combined connection portions, the connection can be achieved quickly, in particular ultrasonic welding, two effects can ensure that the connection portion is preferably composed, at the same time, as part of the tubular body, the connection together play a supportive role as a part of the endoscope.

[0008] 更进一步地,位于每个所述组成部上两侧的连接部由该组成部的径向端部处向所述组成部形成的轴心处延伸,两个所述组成部在所述连接部处通过焊接方式连接;这种结构方式可使得整个管体的外表美观,外表光滑,为后续的套外管提供方便,同时连接在一起的连接部能够起到作为支撑的作用。 [0008] Furthermore, at the connecting portions at both sides of the axis of each of the constituent portion is formed toward the end portion of the composition portion of the radially extending portion of the composition, the composition of the two portions of the said connecting portion are connected by welding; structured in this manner may be such that the overall aesthetic appearance of the tubular body, smooth appearance, an outer sleeve to facilitate the subsequent, while the connecting portion can be connected together as play a supporting role.

[0009] 另进一步地,位于每个所述组成部上两侧的连接部由该组成部的径向端部处向远离所述组成部形成的轴心的方向延伸,两个所述组成部在所述连接部处通过焊接或铆接的方式连接;这种外延的结构方式,能够使得连接工序更加简单,降低工作人员的劳动强度。 [0009] Further another, the composition located in axial direction of each connecting portion is formed on both sides of the portion to radially away from the portion composed of the composition of the end portion of the extending portion, the two portions composition by welding or riveting in the connecting portion; such an epitaxial structure, it is possible that the connection process easier, reduce labor intensity of staff.

[0010] 又进一步地,位于每个所述组成部上一侧的连接部由该组成部的径向端部处向所述组成部形成的轴心处延伸,另一侧的连接部由该组成部的径向端部处向远离所述组成部形成的轴心的方向延伸,两个所述组成部在向所述管体内延伸的一侧的所述连接部处通过焊接方式连接,在向所述管体外延伸的一侧的所述连接部处通过焊接或铆接的方式连接;该方案采用两种位置的连接结构方式,既可进行超声波焊接,又可进行铆接,丰富了连接方式,针对不同的环境采用相应的连接方式,为加工提供更多的选择,间接地提高加工速度。 [0010] Still further, in an extended axial portion at the connecting portion on one side of the composition to the composition of each section is formed by the end portion of the radial component of the connecting portion by the other side at the end of the extending direction of the radial component of the composition is formed away from the axis portion, consisting of two portions connected by the welding at the connection portion of the tube extending to the side of the body, in to said connection portion at one side of the tube extending in vitro by welding or riveting; the program uses two ways to position the connecting structure, either ultrasonic welding, caulking but also enrich the connection, for the respective connections using different environments, to provide more options for the processing, to indirectly increase the processing speed.

[0011] 更进一步地,在所述组成部的内壁面上且位于非压缩槽的区域设置有若干个导向孔,该若干个导向孔的孔轴心与所述组成部的轴心平行;所述导向孔的设置能提供给弯曲导向线定位位置,为保证内窥镜能够顺利地被使用提供保障。 [0011] Still further, the composition of the inner wall surface portion and located in the non-compressed region provided with a plurality of guide groove hole which axis parallel to the axis of the portion composed of the plurality of guide holes; the Shezhi said guide hole to provide a curved guide wire localization position to provide protection for the endoscope can be used to ensure smoothly.

[0012] 本发明的有益效果是:本发明结构简单,与现有技术相比,其只需将两个加工好的组成部连接在一起即可构成内窥镜管体,在连接之前可将内窥镜的必需构件放置入管体内,在连接好后即可形成内窥镜弯曲管,其加工和安装都非常方便,极大地提高了生产效率,也极大地降低了工作人员的劳动强度,结构简单、加工方便、构件安装便捷的内窥镜弯曲管。 [0012] Advantageous effects of the invention are: simple structure of the present invention, compared with the prior art, which only two are connected together to constitute an integral part of the finished tubular body of the endoscope, can be connected before placing the endoscope into the tubular body member is necessary, the endoscope can be formed after the bending tube connected, which are very convenient manufacturing and assembly, which greatly improves the production efficiency, but also greatly reduces the labor intensity of the structure simple, easy to process, convenient installation member bending tube of the endoscope.

附图说明 BRIEF DESCRIPTION

[0013] 图1是所述组成部的简易结构示意图; 图2是所述管体的正面简易结构示意图; [0013] FIG. 1 is a simplified schematic diagram illustrating a portion of the structure; FIG. 2 is a simplified schematic front view of the structure of the tubular body;

图3是所述管体发生弯曲时的状态简易示意图; FIG 3 is a state when the tube is bent simplified schematic occurs;

图4是两个组成部的第一种连接方式俯视简易结构示意图; FIG 4 is a schematic view of a first portion consisting of two connection plan simple structure;

图5是两个组成部的第二种连接方式俯视简易结构示意图; FIG 5 is a schematic view of two second connection consisting of a top portion of a simple structure;

图6是两个组成部的第三种连接方式俯视简易结构示意图。 FIG 6 is a simplified structural diagram of a third portion consisting of two connection plan.

具体实施方式 Detailed ways

[0014] 如图1至图6所示,本发明所述内窥镜弯曲管包括两个呈半圆管状且可弯曲的组成部la、lb,两个所述组成部la、Ib对接后构成具有内部管腔的管体2,在所述组成部la、Ib的轴线方向上均设置有若干径向分布的提供所述管体2弯曲空间的压缩槽3,若干所述压缩槽3的弧度小于所述组成部la、lb的弧度。 [0014] As shown in FIG. 1 to FIG. 6, the present invention is an endoscope bending tube comprises two semicircular tubular and flexible composition portion la, lb, two portions of the La composition, after having configured docking Ib interior lumen tube 2, in the portion composed of La, Ib axial direction are provided with a plurality of radially distributed providing the tubular body 3, a plurality of the compressed groove arc curved compressed groove 2 is smaller than the space 3 the composition of portion la, lb arc. 压缩槽3的弧度比组成部的弧度小,即是在靠近组成部的径向端部处形成支撑。 The compressed groove 3 is smaller than the curvature of the arc portion of the composition, i.e., in the radial direction near the end portion of the composition forming the support. 在所述组成部la、lb的内壁面上且位于非压缩槽2的区域设置有若干个导向孔5,该若干个导向孔5的孔轴心与所述组成部la、lb的轴心平行。 Said inner wall surface portion composed of La, lb and in the non-compressed region provided with a plurality of grooves 2 of the guide hole 5, a plurality of the axial center hole of the guide hole portion consisting of La 5, is parallel to the axis lb . 该导向孔5用于安装弯曲导向线。 The guide hole 5 for mounting curved guide wire. 如图3所示,位于一侧的所述组成部上的压缩槽处,位于上部的压缩槽上沿3al和位于下部的压缩槽下沿3a2相互靠近并最终接触;位于另一侧的组成部上的压缩槽处,位于上部的压缩槽上沿3bl和位于下部的压缩槽下沿3b2相互远离,直至达到弯曲要求为止。 3, located at one side of the compressed groove on the composition portion, the upper portion of the compressed groove located close to each other and eventually contacted in 3al and located along the lower portion of the compressed groove 3A2; composition portion on the other side the compressed groove, the direction away from each other along the compressed groove and 3bl lower portion 3b2 located on the upper portion of the compressed groove is located until it reaches the bending requirements.

[0015] 在所述组成部la、Ib上设置有连接部4a、4b,所述连接部4a、4b分别设置在半圆管状的组成部la、lb的径向端部。 [0015] In the constituent unit la, Ib is provided on the connecting portions 4a, 4b, the connecting portions 4a, 4b are disposed in a semicircular tubular portion composed of la, lb of the radial ends. 下面分三种情况对该部分进行更进一步的说明。 The following three cases for the part described further.

[0016] 第一种情况是:如图4所示,位于每个所述组成部上两侧的连接部4a、4b由该组成部的径向端部处向所述组成部形成的轴心处延伸,两个所述组成部la、lb在所述连接部4a、4b处通过超声波焊接的方式连接。 [0016] The first case is that: As shown in FIG axis, on both sides of the connection portions on each of said composition portion 4a, 4b is formed at the end portion 4 by a radial portion of the composition to the constituent unit extension of, the composition of the two portions la, lb of the connecting portions 4a, 4b are connected by the ultrasonic welding.

[0017] 第二种情况是:如图5所示,位于每个所述组成部上两侧的连接部4a、4b由该组成部的径向端部处向远离所述组成部形成的轴心的方向延伸,两个所述组成部la、lb在所述连接部4a、4b处通过焊接或铆接的方式连接。 [0017] The second situation is: 5, the connecting portions located on both sides of each of the constituent portions 4a, 4b are formed to the shaft away from the portion composed of the radially end portion of the composition extending in the direction of the heart, composed of the two portions la, lb of the connecting portions 4a, 4b of the connection by welding or riveting.

[0018] 第三种情况是:如图6所示,位于每个所述组成部上一侧的连接部由该组成部的径向端部处向所述组成部形成的轴心处延伸,另一侧的连接部由该组成部的径向端部处向远离所述组成部形成的轴心的方向延伸,两个所述组成部在向所述管体2内延伸的一侧的所述连接部处通过焊接方式连接,在向所述管体2外延伸的一侧的所述连接部处通过焊接或铆接的方式连接。 [0018] The third situation is: As shown in FIG 6, extending at the axis of each connecting portion located on a side portion of the composition to the composition formed at the end portion of the radial portion of the composition, extending direction of the connection portion to the other side is formed radially away from the portion composed of the composition of the end portion of the axis, the composition of the two side portions of the pipe extending into the body 2 said connecting portion is connected by welding, at the connecting portion 2 extending to an outer side of the tubular body by welding or riveting.

[0019] 本发明将两个加工好的组成部连接在一起即可构成内窥镜管体,在连接之前可将内窥镜的必需构件放置入管体内,在连接好后即可形成内窥镜弯曲管,其加工和安装都非常方便,极大地提高了生产效率,也极大地降低了工作人员的劳动强度。 [0019] The present invention connects two processed together to constitute an integral part of the endoscope tube, is necessary before connecting member may be placed into the tubular body of the endoscope, the endoscope can be formed in the connected bending tube, and its processing are very easy to install, which greatly improves the production efficiency, but also greatly reduces the labor intensity of the workers.

[0020] 本发明可应用于内窥镜设备领域。 [0020] The present invention is applicable to the field of endoscopic devices.

Claims (6)

1.一种内窥镜弯曲管,其特征在于:它包括两个呈半圆管状且可弯曲的组成部(la、lb),两个所述组成部(la、lb)对接后构成具有内部管腔的管体(2),在所述组成部(la、lb)的轴线方向上均设置有若干径向分布的提供所述管体(2)弯曲空间的压缩槽(3),若干所述压缩槽(3)的弧度小于所述组成部(la、lb)的弧度。 An endoscope bending tube, characterized in that: it comprises two constitutively portions (la, lb) semi-tubular and flexible, the composition of the two portions (la, lb) having a mating inner tube constituting the tubular body lumen (2), in the axial direction of the constituent unit (la, lb) are provided with a plurality of radially distributed providing the tubular body (2) of the bending space compression groove (3), said plurality of compressed groove (3) is smaller than the curvature of the arc portion of the composition (la, lb) of.
2.根据权利要求1所述的内窥镜弯曲管,其特征在于:在所述组成部(la、lb)上设置有连接部(4a、4b),所述连接部(4a、4b)分别设置在半圆管状的组成部(la、lb)的径向端部。 The endoscope according to claim 1, the bending tube, wherein: a connecting portion is provided (4a, 4b) on the constituent unit (la, lb), said connecting portions (4a, 4b), respectively, an end portion disposed radially composition semicircular tubular portion (la, lb) of.
3.根据权利要求2所述的内窥镜弯曲管,其特征在于:位于每个所述组成部上两侧的连接部(4a、4b)由该组成部的径向端部处向所述组成部形成的轴心处延伸,两个所述组成部(la、lb)在所述连接部(4a、4b)处通过焊接方式连接。 The endoscope according to claim 2 bent tube, characterized in that: the connecting portion located on both sides of each of the constituent unit (4a, 4b) by a radial portion at the end of this composition to the extending at the axis portion formed of the composition, the composition of the two portions (la, lb) in the connecting portion (4a, 4b) are connected by welding at.
4.根据权利要求2所述的内窥镜弯曲管,其特征在于:位于每个所述组成部上两侧的连接部(4a、4b)由该组成部的径向端部处向远离所述组成部形成的轴心的方向延伸,两个所述组成部(la、lb)在所述连接部(4a、4b)处通过焊接或铆接的方式连接。 4. The endoscope bending tube according to claim 2, wherein: the connecting portion positioned (4a, 4b) on both sides of each of the constituent unit at the radially end portion of the composition away from the component of the extending direction of said axis is formed, the composition of the two portions (la, lb) by welding or riveting in the connecting portion (4a, 4b) at.
5.根据权利要求2所述的内窥镜弯曲管,其特征在于:位于每个所述组成部上一侧的连接部由该组成部的径向端部处向所述组成部形成的轴心处延伸,另一侧的连接部由该组成部的径向端部处向远离所述组成部形成的轴心的方向延伸,两个所述组成部在向所述管体(2)内延伸的一侧的所述连接部处通过焊接方式连接,在向所述管体(2)外延伸的一侧的所述连接部处通过焊接或铆接的方式连接。 5. The endoscope according to claim 2, the bending tube, characterized in that: the connection portion located on a side portion on each of said composition is formed by the end portion of the radial component of the composition to the shaft portion extending at the center, the extending direction of the other side of the connecting portion is formed to radially away from the portion composed of the composition at the end of the axis portion, to within said tubular body (2) composed of the two portions the connecting portion extending from one side are connected by welding, the connecting portion extending to said tubular body (2) side is connected by welding or riveting.
6.根据权利要求1至5任一项所述的内窥镜弯曲管,其特征在于:在所述组成部(la、lb)的内壁面上且位于非压缩槽(2)的区域设置有若干个导向孔(5),该若干个导向孔(5)的孔轴心与所述组成部(la、lb)的轴心平行。 1 to 6. The endoscope according to any one of the bendable tube 5, claim wherein: the inner wall surface portion of the composition (la, lb) in the region of the non-compressed and grooves (2) is provided with a a plurality of guide holes (5), the axis of the plurality of guide holes (5) and the axial center hole of the constituent unit (la, lb) are parallel.
CN201510770248.0A 2015-11-12 2015-11-12 Endoscope bend tube CN105342539A (en)

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0422842A2 (en) * 1989-10-13 1991-04-17 Kabushiki Kaisha Machida Seisakusho Bending device
CN1794944A (en) * 2003-04-01 2006-06-28 波士顿科技有限公司 Single use endoscopic imaging system
CN101146475A (en) * 2006-02-20 2008-03-19 奥林巴斯株式会社 Endoscope and method of producing insertion section of endoscope
CN101449956A (en) * 2007-12-03 2009-06-10 奥林巴斯医疗株式会社 Medical appliance, endoscope overtube, and endoscope apparatus

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0422842A2 (en) * 1989-10-13 1991-04-17 Kabushiki Kaisha Machida Seisakusho Bending device
CN1794944A (en) * 2003-04-01 2006-06-28 波士顿科技有限公司 Single use endoscopic imaging system
CN101146475A (en) * 2006-02-20 2008-03-19 奥林巴斯株式会社 Endoscope and method of producing insertion section of endoscope
CN101449956A (en) * 2007-12-03 2009-06-10 奥林巴斯医疗株式会社 Medical appliance, endoscope overtube, and endoscope apparatus

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