CN106073866B - A medical forceps network structure foreign body - Google Patents

A medical forceps network structure foreign body Download PDF

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Publication number
CN106073866B
CN106073866B CN201610442776.8A CN201610442776A CN106073866B CN 106073866 B CN106073866 B CN 106073866B CN 201610442776 A CN201610442776 A CN 201610442776A CN 106073866 B CN106073866 B CN 106073866B
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tube
support tube
balloon
piston
body
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CN201610442776.8A
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CN106073866A (en
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李峰
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李峰
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Abstract

本发明公开了种医用异物网钳结构,所述钳体由椭球形的囊体以及体连接在囊体长轴方向端的圆管形的管接头b构成,且管接头b与囊体连接的端成型有隔板部;所述的囊体为中空结构,囊体短轴方向端的壁面上成型有个圆形或椭圆形的夹口,所述的夹口内周成型有个伸缩管;各个支撑管靠近管接头b的端与隔板部相连,隔板上对应各个支撑管的位置成型有连通支撑管与管接头b的通孔;所述的钳体结构紧凑巧妙,通过3D打印可实现次加工成型,钳体外壁光滑且呈椭圆球状,对体内组织管道产生的刺激和损伤小钳体大小可加工出不同大小以适应不同的部位。 The present invention discloses a kind of foreign body medical clamp network structure, the caliper body by the ellipsoidal balloon and a body connected to form a pipe joint in the pipe-shaped balloon b axis direction end, and b and the pipe joint connecting the end of the balloon the separator portion is molded; the capsule is a hollow structure formed with a circular or oval opening on the wall surface of the balloon clip short axis direction end, the inner periphery of the jaws has a molded extension tube; each support tube separator connected to the end portion of the pipe near the joint b, corresponding to the respective position of the support tube formed with a partition through hole communicating with the support tube of the pipe joint b; clever compact configuration of the caliper body, may be implemented by 3D printing processing times molding the outer wall of a smooth and clamp elliptical spherical shape, and small irritation caliper body size of the pipe body to produce tissue damage workability different sizes to accommodate different site.

Description

一种医用异物网钳结构 A medical forceps network structure foreign body

[0001] 本专利申请是: [0001] This patent application is:

[0002] 发明名称为:一种医用异物网钳结构 [0002] Title of invention: a medical clamp network structure foreign body

[0003] 申请号为:201410768557X [0003] Application Number: 201410768557X

[0004] 申请日为:2014.12.14 [0005]的专利申请的分案申请。 [0004] Application date: 2014.12.14 divisional application [0005] of the patent application.

技术领域 FIELD

[0006]本发明属于医疗器械领域,具体涉及一种用于气管的异物钳结构。 [0006] The present invention belongs to the field of medical devices, particularly relates to a structure for a forceps trachea.

背景技术 Background technique

[0007] 异物被误吸入呼吸道之后会妨碍呼吸,严重时会导致窒息甚至死亡,吸入异物后必须及时取出。 [0007] hinder foreign body inhalation breath after being mistaken, in severe cases can lead to suffocation and even death, after inhalation of foreign bodies must be promptly removed. 通常异物取出是使用气管镜配合气管异物钳进行操作,现有技术的异物钳都是金属材质,经过清洗消毒后多次重复使用,但异物钳的钳爪部位通常与钳体主体是铰接形式连接,连接位置存在死角,难以彻底清洗干净,重复使用时存在感染风险,使用效果不理想。 Removal of foreign body is usually fitted using bronchoscope foreign body forceps operation, the prior art forceps is a metal material, cleaned and disinfected after repeated use, the forceps jaw portions are generally in the form of a hinge connection and the jaw main body the connection location there is dead, it is difficult to completely clean, there is a risk of infection when used repeatedly, performance is less than ideal. 而金属材质的异物钳若是一次性使用又成本过高且浪费资源。 The metal material one-time use of forceps and if the cost is too high and a waste of resources. 申请人于2014年9月21日申请的名称为:一种气管异物钳及钳体,申请号为:2014104843355的专利申请解决了上述问题,然该种异物钳的钳体在夹取异物时钳爪在钳体的前方张开,夹取某些不规则形状且体积较大甚至带有尖刺的异物时不能完全将异物包裹起来,在夹紧异物后向外拖拽的过程中容易伤及患者组织,使用效果不理想。 In the name of the Applicant September 21, 2014 filed: one kind of foreign body and iron body caliper, application number: 2014104843355 patent application solves the above problem, then this kind of body clamp forceps gripping clamp when foreign matter pawls caliper body in front of the opening, the gripping some irregular shapes and bulky even when not completely wrapped up with spikes foreign matter foreign matter, the foreign matter outward drag after the clamping process easy to hurt patient organization, performance is less than ideal.

发明内容 SUMMARY

[0008] 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,使用操作方便,夹取异物可靠,避免尖锐异物在取出过程中损伤患者组织的医用异物网钳。 [0008] The present invention solves the technical problem: for the disadvantages of the prior art, to provide a simple, easy to use operation, the gripping reliable foreign body, to avoid foreign body clamp network medical sharp foreign bodies patient injury during removal of tissue .

[0009] 为实现本发明之目的,采用以下技术方案予以实现:一种医用异物网钳结构,包括有气动控制手柄,钳体,以及连接钳体和气动控制手柄的连接管;所述的气动控制手柄包括有一个活塞筒以及与活塞筒配合的活塞,活塞上连接有端部伸出至活塞筒外的活塞杆,所述的活塞杆远离活塞的一端成型有螺纹连接部,活塞杆的螺纹连接部上连接有一个调节螺母,活塞杆后端一体连接有一个推环;活塞筒前端一体连接有一个与所述连接管配合连接的管接头a,活塞筒靠近后端部的外壁一体连接有两个对称设置的拉环,所述的钳体由弹性橡胶材料一体成型,所述钳体由椭球形的囊体以及一体连接在囊体长轴方向一端的圆管形的管接头b构成,且管接头b与囊体连接的一端成型有一个将管接头b与囊体分隔的隔板部; 所述管接头b与所述连接管配合连接;所述的囊体为 [0009] To achieve the object of the present invention, be implemented by the following technical solution: foreign bodies medical clamp network structure, comprising a pneumatic control handle, the caliper body, and a connector body and a clamp handle pneumatic control connection pipe; Aerodynamic the control handle comprises a piston cylinder and a piston cylinder with a piston connected to the piston rod end portion extending to the outer cylinder of the piston, the piston rod remote from an end portion formed with a threaded connection, a threaded piston rod an adjusting nut connected with the connecting portion, a piston rod integrally connected to a rear end of the pushing ring; tube distal end integrally connected to a piston connected to the mating pipe connected to a pipe joint, close to the outer wall of the piston cylinder is integrally connected with a rear end portion two symmetrically disposed tab, the caliper body integrally formed of an elastic rubber material, the caliper body is constituted by the ellipsoidal balloon and the tube-shaped pipe joint b are integrally connected to one end of the balloon body longitudinal direction, and b and an end of the pipe joint capsule connecting the tube shaped spacer has a fitting portion b of the balloon separator; b and the pipe joint connecting the connecting pipe fitting; the capsule is 空结构,椭球形的囊体的长轴为短轴长度的1.5倍;囊体短轴方向一端的壁面上成型有一个椭圆形的夹口;所述囊体内壁成型有伸缩管,且伸缩管与夹口边缘的距离为伸缩管外径的1-1.5倍;所述囊体内壁沿长轴方向均匀成型有多个支撑管;各个支撑管远离管接头b的一端相连通,各个支撑管靠近管接头b的一端与隔板部相连,隔板部上对应各个支撑管的位置成型有连通支撑管与管接头b的通孔; 所述伸缩管与至少一个支撑管相连通,且所述伸缩管厚度小于支撑管的厚度;所述伸缩管的内壁均匀成型有螺旋形的筋条,且螺旋形的筋条的螺距为伸缩管内径的1/10;活塞杆推动活塞向活塞筒前端移动压缩活塞筒内空气,经压缩的空气通过连接管进入支撑管和伸缩管中,支撑管受空气压力作用撑住囊体使之处于展开状态,伸缩管受空气压力作用伸长从而使夹口张大,活塞 Hollow structure, the long axis of the ellipsoidal balloon is 1.5 times the minor axis length; there is an oval shaped jaws on one end of the capsule wall surface of the short axis direction; forming an inner wall of the bladder telescopic tube, telescopic tube and distance from the edge of the jaws is 1-1.5 times the outer diameter of the bellows; the inner wall of the balloon along the major axis direction uniformly formed with a plurality of support tubes; each support tube remote from the pipe end fitting is connected through b, close to the respective support tube b is connected to one end of the pipe joint portion of the separator, the separator corresponding to the respective support tube portion formed with the position of the through hole communicates with support tube fittings b; said telescopic tube with at least one support tube in communication, and the telescopic tube thickness smaller than that of the support tube; forming an inner wall of said telescopic tube uniformly with a helical rib, and the spiral pitch of the ribs inside diameter of the bellows 10; push the piston rod front end of the compression cylinder to move the piston an air piston cylinder, the compressed air through the connecting tube and the telescopic tube into the support tube, the support tube by air pressure so as to shore up the balloon is expanded, the bellows stretched by air pressure so that the jaws Queen, piston 杆回复初始状态后支撑管、伸缩管均失去支撑,夹口恢复至初始大小; [0010]所述的钳体通过3D打印一次性加工成型;所述囊体的内壁还成型有与各个支撑管垂直且与各个支撑管相连通的副支撑管。 After the lever return the initial state of the support tube, the telescopic support tubes are lost, the jaws returning to its original size; [0010] the caliper body by a one-time 3D printing molding process; the inner wall of the balloon is also formed with a respective support tube perpendicular to the support tube communicating with the respective secondary support tube.

[0011]与现有技术相比较,本发明的有益效果是:所述的钳体结构紧凑巧妙,通过3D打印可实现一次加工成型,钳体外壁光滑且呈椭圆球状,对体内组织管道产生的刺激和损伤小; 钳体的囊体内壁通过支撑管充气使之保持在展开状态,伸缩管受空气压力作用伸长从而使夹口张大,巧妙利用伸缩管和支撑管的厚度差,从而使同一气压下两者分别产生两种动作, 当夹口张开对准异物并使异物处于囊体范围内之后,活塞杆回复初始状态后支撑管、伸缩管均失去支撑,夹口恢复至初始大小,异物被完全包裹在囊体之内,在向外拉出钳体过程中,异物不会脱离,使用安全方便。 [0011] Compared with the prior art, the beneficial effects of the present invention are: clever compact structure of the caliper body, 3D printing by a molding process can be achieved, a smooth and clamp the outer wall oval spherical body tissue conduit produced small irritation and damage; the inner wall of the bladder support tube through the caliper body so that it remains inflated in the deployed state, under an air pressure of the bellows so that the elongated jaws Queen, clever use of telescoping tubes and a difference in thickness of the support tube, so that the same both are under pressure to produce two kinds of operation, when the jaws open and aligned with the foreign matter in the foreign matter within the scope of the balloon, after the initial state return rod support tube, telescopic tube looses the support, the jaws returns to the original size, foreign matter is completely encased within the balloon, the caliper body during pulled outwardly, without departing from the foreign matter, safe and convenient to use. 所述气动控制手柄上的调节螺母可以调整活塞杆前进的幅度,可以根据异物的大小以及异物位置空间的大小事先调整调节螺母至适当位置,这样夹取异物时可一次性将活塞杆按到底,即可使夹口大小适当,利于缩短手术时间,减轻患者痛苦。 The pneumatic control on the adjustment nut adjustment handle may advance the piston rod, the nut may be adjusted to an appropriate position and size of the foreign matter foreign body size adjusted in advance in accordance with the spatial position, so that when the one-time gripping the foreign matter in the end by the piston rod, size appropriate to the jaws, which will help shorten the operation time, reduce patient suffering. 该异物网钳适用于体内各位置的异物取出,所述伸缩管内壁螺旋形的筋条使得伸缩管轴向伸长,而在伸缩管径向由于筋条的螺距较小,伸缩管径向鼓起幅度微小,几乎可忽略,这样能够保证伸缩管伸长后不会导致钳体体积过分变大。 The foreign matter clamp network applies the respective foreign body removal location in the body, the inner wall of the telescopic bars such that spiral axially elongated extension tube, due to the smaller diameter of the telescopic ribs pitch, telescoping drum to the diameter since the magnitude of small, almost negligible, this can ensure elongation of the bellows after the caliper body does not cause excessively large volume. 钳体大小可加工出不同大小以适应不同的部位。 Caliper workability different sizes to accommodate different sizes of parts.

附图说明 BRIEF DESCRIPTION

[0012]图1是本发明的结构示意图。 [0012] FIG. 1 is a structural diagram of the present invention.

[0013]图2是气动控制手柄的结构示意图。 [0013] FIG. 2 is a schematic structural diagram of a pneumatic control handle.

[0014] 图3是钳体部分的结构示意图。 [0014] FIG. 3 is a schematic view of the clamp portion.

[0015] 图4、图5是钳体部分的剖视结构示意图。 [0015] FIG 4, FIG 5 is a schematic cross-sectional view of the structure of the clamp portion.

[0016] 1、气动控制手柄;11、活塞筒;111、管接头a; 112、拉环;12、调节螺母;131、推环; 132、螺纹连接部;2、连接管;3、钳体;31、管接头b;311、隔板部;312、通孔;331、支撑管;332、 伸缩管;35、囊体;351、夹口。 [0016] 1, pneumatic control handle; 11, piston cylinder; 111, fittings a; 112, tab; 12, adjustment nut; 131, push ring; 132, threaded connection; 2, the connection pipe; 3, the caliper body ; 31, fittings b; 311, a separator unit; 312, a through hole; 331, support tube; 332, the bellows; 35, balloon; 351, jaws.

具体实施方式 Detailed ways

[0017] 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。 [0017] The accompanying drawings make a detailed description of the specific embodiments of the present invention.

[0018] 实施例1 [0018] Example 1

[0019] 根据图1至图5所示,本实施例所述的一种医用异物网钳结构,包括有气动控制手柄1,谢体3,以及连接钳体和气动控制手柄的连接管2;所述的气动控制手柄包括有一个活塞筒11以及与活塞筒配合的活塞,活塞上连接有端部伸出至活塞筒外的活塞杆,所述的活塞杆远离活塞的一端成型有螺纹连接部132,活塞杆的螺纹连接部上连接有一个调节螺母12,活塞杆后端一体连接有一个推环131;活塞筒前端一体连接有一个与所述连接管配合连接的管接头alll,活塞筒靠近后端部的外壁一体连接有两个对称设置的拉环112,所述的钳体由弹性橡胶材料一体成型,所述钳体由椭球形的囊体35以及一体连接在囊体长轴方向一端的圆管形的管接头b:31构成,且管接头b与囊体连接的一端成型有一个将管接头b与囊体分隔的隔板部311;所述管接头b与所述连接管配合连接;所述的囊体为 [0019] According to FIGS. 1 to 5, a medical clamp network configuration example of the foreign matter according to the present embodiment, comprises a pneumatic control handle 1, Xie body 3, and a connector body and a clamp handle pneumatic control connection pipe 2; the control handle comprises a pneumatic cylinder having a piston and a piston cylinder 11 with a piston connected to a piston rod end portion extending to the outer cylinder of the piston on the piston, the piston rod remote from an end portion formed with a threaded connection 132, is connected to an adjusting nut 12 screwed on the piston rod, the piston rod is integrally connected to a rear end of the pushing ring 131; tube distal end integrally connected to a piston connected to the mating pipe connected to the pipe joint alll piston cylinder close the rear end portion of the outer wall is integrally connected to two symmetrically arranged pull ring 112, the caliper body integrally formed of an elastic rubber material, the caliper body connected at one end by a balloon longitudinal direction of the ellipsoidal balloon 35 and integrally the tube shaped pipe joint b: 31 configuration, and the pipe end fitting and b balloon connected to the tube sheet forming a joint portion b and the balloon separator 311; said tube fitting and the connecting tube fitting b connection; the capsule is 空结构,椭球形的囊体的长轴为短轴长度的1.5倍;囊体短轴方向一端的壁面上成型有一个椭圆形的夹口351,所述的夹口内周成型有一个伸缩管332;所述囊体内壁沿长轴方向均匀成型有多个支撑管3:31;各个支撑管远离管接头b的一端相连通,各个支撑管靠近管接头b的一端与隔板部相连,隔板部上对应各个支撑管的位置成型有连通支撑管与管接头b的通孔312;所述伸缩管与至少一个支撑管相连通,且所述伸缩管厚度小于支撑管的厚度;所述伸缩管的内壁均匀成型有螺旋形的筋条,且螺旋形的筋条的螺距为伸缩管内径的1/10;活塞杆推动活塞向活塞^前端移动压缩活塞筒内空气,经压缩的空气通过连接管进入支撑管和伸缩管中,支撑管受空气压力作用撑住囊体使之处于展开状态,伸缩管受空气压力作用伸长从而使夹口张大,活塞杆回复初始状态后支撑管、伸缩管均 The long axis of hollow structure, ellipsoidal capsule is 1.5 times the minor axis length; the end of the balloon wall formed have a minor axis direction of the oval-shaped jaws 351, the inner periphery of the jaws has a molded extension tube 332 ; the inner wall of the bladder uniformly along the long axis direction of the forming a plurality of support tubes 3:31; each end of the support tube remote from the joint pipe in communication b, each connected to the support tube near the tube end and fitting the spacer portion b, spacer corresponding to the respective positions of the support tube portion formed on a support tube communicating with the through hole 312 b, the pipe joint; said telescopic tube with at least one support tube in communication, and the telescopic pipe thickness smaller than that of the support tube; said telescopic tube uniformly formed with the inner wall of spiral ribs, and the spiral pitch of the ribs inside diameter of the bellows 10; pushing the piston rod of the piston of the piston cylinder ^ distal movement of the air compression, the compressed air through the connection pipe and a telescopic tube into the support tube, the support tube by air pressure so as to shore up the balloon is expanded, the bellows stretched by air pressure so that the jaws Queen, the initial state return rod support tube, telescopic tube are 去支撑,夹口恢复至初始大小。 To the support, the jaws returning to its original size.

[0020]所述的钳体通过3D打印一次性加工成型。 [0020] The caliper body formed by one-time processing 3D printing. 所述囊体的内壁还成型有与各个支撑管垂直且与各个支撑管相连通的副支撑管(图中未示出)。 Inner wall of the balloon is also formed with a sub-support tube (not shown) perpendicular to the respective support tube and the respective support tube communicating. 副支撑管使得囊体能够更稳定地被撑住,使钳体能够适应体内不同部位的各种复杂环境。 The sub-support tube so that the balloon can be more stably shore, the jaw can adapt to a variety of complex environments in different parts of the body.

[0021]使用时,将纤维内窥镜连同钳体及连接管伸入患者体内患处异物附近位置,通过纤维内窥镜观察,使夹口对准异物;按压活塞杆使气动控制手柄产生气压,钳体的支撑管在气压作用下变硬,从而起到支撑囊体的作用,所述伸缩管在气压作用下伸长,从而使夹口张大,微调钳体的位置使夹口对准异物并使异物处于夹口内侧后,只要松开活塞杆,伸缩管失去气压作用恢复初始形状,异物便被包裹在囊体之中,随后将钳体连同连接管拉出即可取出异物。 [0021] In use, the caliper body together with the fiberscope and the connecting pipe extends into the vicinity of the position of the foreign matter within the affected patient, observed by a fiberscope, making the jaws aligned foreign body; a piston rod is pressed to produce pneumatic pressure control handle, caliper support tube hardens under gas pressure, and thus to support the balloon, the telescopic tube elongation under gas pressure, so that the jaws Queen, trim position that the jaws of the caliper body and aligned with the foreign matter after foreign matters in the inside of the jaws, as long as the release rod, the loss of air pressure the bellows recover the original shape, the foreign matter will be wrapped in the balloon, then the caliper body can be pulled out together with the connection pipe remove the foreign body.

[0022] 实施例2 [0022] Example 2

[0023]本实施例与实施例1的区别特征在于:所述的伸缩管成型在囊体内壁,且与夹口边缘的距离为伸缩管外径的1-1 • 5倍。 [0023] Example embodiment of the present embodiment and Embodiment 1 in that the distinctive features: the telescopic tube forming the inner wall of the balloon, and the distance from the edge of the jaws to the telescopic tube 1-1 • 5 times the outer diameter. 这样既能保证伸缩管能够带动夹口张大,同时避免伸缩管充气伸长状态时被异物上可能存在的尖刺刺破而损坏。 This will ensure the bellows can bring jaws Queen, while avoiding puncturing spikes when the bellows is inflated tension may be present on the foreign object damage.

[0024] 实施例3 [0024] Example 3

[0025]本实施例所述的一种医用异物网钳钳体结构,由弹性橡胶材料一体成型,所述钳体由椭球形的囊体35以及一体连接在囊体长轴方向一端的圆管形的管接头b31构成,且管接头b与囊体连接的一端成型有一个将管接头b与囊体分隔的隔板部311;所述管接头b与所述连接管配合连接;所述的囊体为中空结构,椭球形的囊体的长轴为短轴长度的丨.5倍;囊体短轴方向一端的壁面上成型有一个椭圆形的夹口351,所述的夹口内周成型有一个伸缩管332;所述囊体内壁沿长轴方向均匀成型有多个支撑管331;各个支撑管远离管接头b的一端相连通,各个支撑管靠近管接头b的一端与隔板部相连,隔板部上对应各个支撑管的位置成型有连通支撑管与管接头b的通孔312;所述伸缩管与至少一个支撑管相连通,且所述伸缩管厚度小于支撑管的厚度;所述伸缩管的内壁均匀成型有螺旋形的筋 [0025] foreign body present a medical clamp network clamp structure described in the embodiment, it is integrally molded from an elastic rubber material, and the caliper body 35 by the balloon are integrally connected to one end of the long axis direction of the ellipsoidal balloon tube b31-shaped pipe joint structure, and the end b is connected to the balloon tube joint forming a portion of the spacer pipe joint b separated from the balloon 311; b is connected to the pipe joint connecting the pipe fitting; the a hollow capsule structure, the long axis of the ellipsoidal balloon is 1.5 times the length of the minor axis of Shu; has an oval shaped opening 351 on the wall surface of the clamp at one end of the short axis direction of the balloon, the inner periphery of the molding jaws a telescoping tube 332; an inner wall of the balloon along the major axis direction uniformly formed with a plurality of support tube 331; each of the support tube remote from the pipe end fitting is connected through b, each support tube near one end of the pipe joint b coupled to the spacer portion , the respective positions corresponding to the spacer portion of the support tube forming the support tube communicating with the through hole 312 b, the pipe joint; said telescopic tube with at least one support tube in communication, and the thickness of the support is less than the thickness of the bellows tube; the uniformly forming an inner wall of said telescopic tube with a helical rib ,且螺旋形的筋条6¾螺距为伸缩管内径的1/10;支撑管受空气压力作用撑住囊体使之处于展开状态,伸缩管受空气压力作用伸长从而使夹口张大,失去空气压力后支撑管、伸缩管均失去支撑,夹口恢复至初始大小。 And the helical pitch of the ribs 6¾ inner diameter of the bellows 10; support tube by air pressure so as to shore up the balloon is expanded, the bellows stretched by air pressure so that the jaws Queen, lose air after the pressure support tube, telescopic tube looses the support, the jaws returning to its original size.

Claims (1)

1. 一种医用异物网钳结构,其特征在于:包括有气动控制手柄,钳体,以及连接钳体和气动控制手柄的连接管;所述的气动控制手柄包括有一个活塞筒以及与活塞筒配合的活塞,活塞上连接有端部伸出至活塞筒外的活塞杆,所述的活塞杆远离活塞的一端成型有螺纹连接部,活塞杆的螺纹连接部上连接有一个调节螺母,活塞杆后端一体连接有一个推环; 活塞筒前端一体连接有一个与所述连接管配合连接的管接头a,活塞筒靠近后端部的外壁一体连接有两个对称设置的拉环,所述的钳体由弹性橡胶材料一体成型,所述钳体由椭球形的囊体以及一体连接在囊体长轴方向一端的圆管形的管接头b构成,且管接头b与囊体连接的一端成型有一个将管接头b与囊体分隔的隔板部;所述管接头b与所述连接管配合连接;所述的囊体为中空结构,椭球形的囊体的长轴为短轴长度 1. A medical forceps net foreign body structure comprising: a pneumatic control handle, the caliper body, and a connector body and a clamp handle pneumatic control connection pipe; said control handle comprises a pneumatic cylinder and piston and the piston cylinder with a piston connected to the piston rod end portion extending to the outer cylinder of the piston, the piston rod remote from an end portion formed with a threaded connection, a threaded connection portion connected to the piston rod of an adjusting nut, a piston rod integrally connected to a rear end of the pushing ring; tube distal end of the piston is integrally connected to a pull ring provided with two symmetrically connected to the mating pipe connected to a pipe joint, close to the outer wall of the piston cylinder is integrally connected to a rear end portion, said caliper body integrally formed of an elastic rubber material, the caliper body is constituted by the ellipsoidal balloon and the tube-shaped pipe joint b are integrally connected to one end of the balloon body longitudinal direction, and b and the pipe joint connecting one end of the capsule forming the tube has a spacer fitting the capsule separating b; b is connected to the pipe joint connecting the pipe fitting; the capsule is a hollow structure, the long axis of the ellipsoidal balloon to minor axis length 的1.5倍;囊体短轴方向一端的壁面上成型有一个椭圆形的夹口;所述囊体内壁成型有伸缩管,且伸缩管与夹口边缘的距离为伸缩管外径的1-1.5倍;所述囊体内壁沿长轴方向均匀成型有多个支撑管;各个支撑g远禹g接头b的一'in?相连通,各个支撑官罪近官接头b的一'端与隔板部相连,隔板部上对应各个支撑管的位置成型有连通支撑管与管接头b的通孔;所述伸缩管与至少一个支撑管相连通,且所述伸缩管厚度小于支撑管的厚度;所述伸缩管的内壁均匀成型有螺旋形的筋条,且螺旋形的筋条的螺距为伸缩管内径的1/10 ;活塞杆推动活塞向活塞筒前端移动压缩活塞筒内空气,经压缩的空气通过连接管进入支撑管和伸缩管中,支撑管受空气压力作用撑住囊体使之处于展开状态,伸缩管受空气压力作用伸长从而使夹口张大,活塞杆回复初始状态后支撑管、伸缩管均失去支 1.5 times; there is an oval shaped jaws on one end of the capsule wall surface of the short axis direction; forming an inner wall of the bladder telescopic tube and the telescopic tube from the jaws of the edge of the bellows is an outer diameter of 1.5 times; the inner wall of the bladder uniformly along the long axis direction of the forming a plurality of support tubes; supporting the respective connector b g g yu away a '? communicating in respective connector support government officials b sin a nearly' end of the spacer connected portion, corresponding to the respective support tube spacer portion position forming a through hole communicating with the support tube fittings b; said telescopic tube with at least one support tube in communication, and the telescopic tube thickness less than the thickness of the support tube; uniformly forming an inner wall of the bellows has a spiral rib, and the rib spiral pitch is 1/10 of the inner diameter of the bellows; push the piston rod of the piston cylinder compressed air cylinder to move the piston toward the distal end, the compressed air through the connecting tube and the telescopic tube into the support tube, the support tube by air pressure so as to shore up the balloon is expanded, the bellows stretched by air pressure so that the jaws Queen, after an initial state return rod support tube , telescopic tubes are losing support ,夹口恢复至初始大小; 所述的钳体通过3D打印一次性加工成型;所述囊体的内壁还成型有与各个支撑管垂直且与各个支撑管相连通的副支撑管。 , The jaws returning to its original size; caliper body according to a one-time molding process by 3D printing; inner wall of the balloon is also formed with a respective support tube and is perpendicular to the support tube communicating with the respective secondary support tube.
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CN105832389B (en) 2017-10-03

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