CN102018568B - Laparoscope canula device - Google Patents

Laparoscope canula device Download PDF

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CN102018568B
CN102018568B CN 201010588552 CN201010588552A CN102018568B CN 102018568 B CN102018568 B CN 102018568B CN 201010588552 CN201010588552 CN 201010588552 CN 201010588552 A CN201010588552 A CN 201010588552A CN 102018568 B CN102018568 B CN 102018568B
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surface
spherical
disk
structure
laparoscopic cannula
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CN 201010588552
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CN102018568A (en
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杨木清
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南京明基医院有限公司
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Abstract

本发明涉及一种腹腔镜套管装置,其包括:具有相对的第一表面和第二表面的圆盘;多个类球形套管设置在该圆盘内,使所述第一表面和所述第二表面贯通;沿所述第二表面外径设置的弹性密封裙;多个支杆结构,所述支杆结构的第一端铰接在所述第二表面,所述支杆结构的第二端连接所述弹性密封裙的下摆。 The present invention relates to a laparoscopic cannula device, comprising: a disk having a first surface and a second opposing surface; a plurality of spherical disc disposed within the sleeve, said first surface and said through a second surface; resilient sealing skirt along the outer diameter of the second surface is provided; a plurality of structural struts, a first end of the strut hinge structure in said second surface, said second strut structure terminal connected to the skirt of the elastomeric seal skirt. 本发明用于医疗手术。 The present invention is for a medical procedure.

Description

腹腔镜套管装置 Laparoscopic cannula device

【技术领域】 TECHNICAL FIELD

[0001] 本发明关于一种腹腔镜套管装置,特别是关于一种单孔腔镜手术中使用的腹腔镜套管装置。 [0001] The present invention relates to a laparoscopic cannula device, particularly relates to a laparoscopic cannula device for use in laparoscopic surgery hole.

【背景技术】 【Background technique】

[0002] 1987年法国的Mouret在电视腹腔镜下完成了胆囊切除术,标志着外科史上具有划时代意义的微创性手术时代的开始。 [0002] 1987 France Mouret completed cholecystectomy in laparoscopic, marking the beginning of the era of minimally invasive surgery in the history of landmark surgery.

[0003] 首先,我们从腹腔镜胆囊切除术来阐述该项专利的技术背景。 [0003] First of all, we have to explain the technical background of the patent from laparoscopic cholecystectomy. 当前,腹腔镜胆囊切除(三孔或四孔法)已经成为胆囊切除术的金标准。 Currently, laparoscopic cholecystectomy (three-hole or four-hole method) has become the gold standard for cholecystectomy. 而单孔腹腔镜胆囊切除术因其更微创并具有美容效果被一部分外科医生所尝试。 Laparoscopic cholecystectomy the hole because it is more invasive and has a cosmetic effect are part of the surgeon attempts. 但其难度较大。 But the larger the degree of difficulty. 现分析单孔腹腔镜胆囊切除手术难度产生的原因,包括腹腔镜器械因素。 Analysis now reason hole laparoscopic cholecystectomy surgical difficulty generated factors including laparoscopic instruments. 一般腹腔镜单孔胆囊切除术的手术方法如下:在肚脐右下方作长约2.5cm左右切口,分别置入直径为10mm、5mm套管针。 General surgical laparoscopic cholecystectomy hole as follows: in the lower right as the navel incision length is about 2.5cm, were placed diameter of 10mm, 5mm trocar. 在右侧锁骨中线与肋弓交界下方l_2cm处的腹壁上用带线长直针刺入后穿过胆囊底部并再从腹壁原入口周围刺出作牵拉胆囊底之用;在剑突下刺入另外一个带线长直针穿过胆囊三角(靠近胆囊颈壶腹部以免损伤胆总管)并打结后在右腋前线与肋弓交界下方l-2cm刺出腹壁。 In the right costal arch midclavicular line and the boundary line passes through the tape after the gallbladder long straight needle into the abdominal wall at the bottom and then from l_2cm abdominal wall surrounding a primary inlet for drawing barbed gallbladder end use; thorn in the xiphoid after further into a long straight line with the needle through the gallbladder triangle (near the neck of the gallbladder ampulla avoid damage to the common bile duct) and knotting the costal arch and the anterior axillary line at the junction of the lower l-2cm in the right abdominal wall puncture. 靠此向左上和右下牵拉胆囊颈部而从不同方向暴露胆囊三角。 On the left and right on this stretch of the gallbladder neck exposed gallbladder triangle from different directions. 用操作钳等分离胆囊三角,最终分离出胆囊血管和胆囊管。 Gallbladder triangle with separation operation clamp, and finally isolated vascular cystic duct of the gallbladder. 用直径5mm的腹腔镜从5mm套管置入,上钛夹和可吸收夹的钳子从IOmm套管置入,然后钳夹相应管道并切断。 From 5mm laparoscopic cannula into 5mm in diameter, and titanium clip from absorbable pliers IOmm into the sleeve, and corresponding pipe clamp and cut. 最终切下并取出胆囊。 A final cut and remove the gallbladder. 该手术难度大的原因有:1、两个套管距离很近,造成操作器械在两个套管平行时所构成的一组平面上作靠近或远离的动作基本不可能(筷子效应),这组平面共同通过腹壁与两个套管交点的连线(LI);而对两个套管内的器械做在经切口这点垂直于LI的平面上的操作幅度最大。 Reason for this difficult surgery: 1, the two sleeves are very close, causing the operation or operation of the instrument toward and away from the plane in a set of two parallel sleeves when constituted substantially impossible (chopstick effect), which group common plane through the abdominal wall and the intersection of the two connecting sleeves (LI); while the instrument within the two sleeves do this on a plane perpendicular to the incision through the operation of the biggest LI. 其它平面介于这两者之间并逐渐过渡。 And a gradual transition between the plane of the other between the two. 单孔法胆囊切除时一个套管放腹腔镜,一个放操作设备。 A laparoscopic cannula when the discharge hole cholecystectomy method, a discharge operating device. 胆囊切除术时最关键的部位是解剖胆囊三角,切断胆囊管和胆囊血管。 When cholecystectomy is the most critical parts of the anatomy of the gallbladder triangle, cut off the cystic duct and gallbladder blood vessels. 这要求,在执行这些操作时必须能够看到胆囊三角构成平面(P)的两侧。 This requires, in performing these operations must be able to see the sides constituting the triangular gallbladder plane (P) of. 因此,如LI和P垂直操作最困难,而LI和P平行时最简单。 Thus, as LI and P perpendicular most difficult operations, and LI P and is parallel easiest. 个体差异性存在导致平面P不同而术前难以充分估计,传统手术方法一旦套管放置后就无法调整,LI和P的关系无法改变,使很多时候操作受到限制。 Individual differences exist and results in a different plane P before surgery difficult to fully estimate, traditional surgery can not be adjusted after once the sleeve is placed, and P LI relationship can not be changed, so that often are restricted. 2、传统的套管(如stryker公司的)都比较长,有IOcm以上,而且近端膨大有防止漏气的装置。 2, a conventional cannula (e.g. stryker's) longer than with IOcm above, and a proximal end with means for preventing leakage of the swelling. 这严重影响操作。 This has seriously affected the operation. 其实只要一个防漏气装置加腹壁厚度长的套管即可。 In fact, if a gas leakage preventing means added to the abdominal wall thickness of the sleeve length. 由于个体差异,腹壁厚度无法预知,故只能用较长的套管。 Due to individual differences, we can not predict the thickness of the abdominal wall, so that only with a longer sleeve. 本发明用以改善以上缺点,降低手术难度。 The present invention is to improve the above disadvantages, to reduce the difficulty of operation.

【发明内容】 [SUMMARY]

[0004] 本发明的目的在于提供一种腹腔镜套管装置,其包括:具有相对的第一表面和第二表面的圆盘;多个类球形套管设置在该圆盘内,使所述第一表面和所述第二表面贯通;沿所述第二表面外径设置的弹性密封裙;多个支杆结构,所述支杆结构的第一端铰接在所述第二表面,所述支杆结构的第二端连接所述弹性密封裙的下摆。 [0004] The object of the present invention is to provide a laparoscopic cannula device, comprising: a disk having a first surface and a second opposing surface; a plurality of spherical disc disposed within the sleeve, the a first surface and the second surface through; along the second surface of the resilient sealing skirt disposed outside diameter; a first end of the hinge structure of a plurality of struts, the strut structure at the second surface, the a second end connected to the resilient sealing skirt hem strut structure.

[0005] 作为可选的技术方案,所述类球形套管是通过球铰形式与所述圆盘相连,其能以其球体部分的球心为中心在该圆盘内做一定范围的三维旋转。 [0005] As an alternative aspect, the sleeve is connected by a spherical ball joint in the form of the disc, which can make the center of the disc within a range of its spherical center of the spherical portion of the three-dimensional rotation .

[0006] 作为可选的技术方案,该圆盘由第一盘片和第二盘片组合而成。 [0006] As an alternative aspect, the combination of a first disk and a second disk from the disk.

[0007] 作为可选的技术方案,该类球形套管内具有封闭片,该封闭片单向封堵该类球形套管,阻绝由该第二表面至该第一表面方向的导通。 [0007] As an alternative aspect, such spherical inner cannula has a closed sheet, the one-way closure flap closure sleeve such spherical, block the direction indicated by the first surface to the second surface of the conduction.

[0008] 作为可选的技术方案,所述类球形套管在所述第一表面侧具有磁性段,该封闭片具有磁性,在自然状态下该封闭片位于所述类球形套管的球体部分内,并吸附在所述磁性段与所述类球形套管的球体部分的衔接处。 [0008] As an alternative aspect, the sleeve having a magnetic spherical segment surface of the first side of the closure sheet has a magnetic closure in the natural state of the spherical portion of the sheet located spherical bushing inner and adsorbed in the magnetic section of said spheroids with cohesion spherical portion of the sleeve.

[0009] 作为可选的技术方案,所述的腹腔镜套管装置包括覆盖所述类球形套管在所述第一表面侧入口的密封环。 [0009] As an alternative aspect, the device comprises a laparoscopic cannula sleeve covering said spherical surface of said first seal ring side inlet.

[0010] 作为可选的技术方案,所述的腹腔镜套管装置包括牵引组件,所述牵引组件牵引并定位所述支杆结构。 [0010] As an alternative aspect, the laparoscopic cannula device comprises a traction assembly, said drawing assembly and positioning the traction strut structure.

[0011] 作为可选的技术方案,所述牵引组件包括:贯穿所述圆盘的螺杆;一端缠绕在所述螺杆上,另一端固定在所述支杆结构上的牵引线;将所述螺杆锁紧在所述圆盘上的螺母。 [0011] As an alternative aspect, the drawing assembly comprising: a screw extending through the disk; end wound around the screw, the other fixed to the end of the pull wire strut structure; the screw lock nut on the disk.

[0012] 作为可选的技术方案,所述支杆结构由第一杆段和第二杆段组合形成。 [0012] As an alternative aspect, the strut structure is formed by a combination of the second rod segments and the first rod segment.

[0013] 作为可选的技术方案,所述支杆结构的第二端具有圆角箭头状结构,以穿透并固定在所述弹性密封裙的下摆。 [0013] As an alternative aspect, a second end of the strut-like structure having a rounded arrow structure, and is fixed to penetrate the elastic hem sealing skirt.

[0014] 本发明的好处在于,通过旋转圆盘可调整套管与解剖平面的关系,实现患处最佳暴露;缩短了套管长度,利于操作。 [0014] The benefits of the present invention is adjusted by rotating the sleeve and the disc plane of the anatomical relationship, the affected area to achieve optimum exposure; shorten the length of the sleeve, facilitate operation.

【附图说明】 BRIEF DESCRIPTION

[0015] 图1为根据本发明一实施例的腹腔镜套管装置的俯视示意图。 [0015] FIG. 1 is a schematic top view of the laparoscopic cannula device according to an embodiment of the present invention.

[0016] 图2为沿图1中AA线的剖面图。 [0016] FIG. 2 is a sectional view taken along line AA in FIG. 1.

[0017] 图3为沿图1中BB线的剖视图。 [0017] FIG. 3 is a sectional view taken along line BB in FIG. 1.

【具体实施方式】 【Detailed ways】

[0018] 请参阅图1至图3,图1为根据本发明一实施例的腹腔镜套管装置的俯视示意图。 [0018] Refer to 3, FIG. 1 is a schematic top view of the laparoscopic cannula device according to an embodiment of the present invention, FIG. 1 to FIG. 图2为沿图1中AA线的剖面图。 FIG 2 is a sectional view taken along line AA in FIG. 1. 图3为沿图1中BB线的剖视图。 3 is a sectional view taken along line BB in FIG. 本实施方式的腹腔镜套管装置包括:具有相对的第一表面115和第二表面116的圆盘11 ;多个类球形套管12、22设置在该圆盘内,使所述第一表面115和所述第二表面116贯通;沿所述第二表面116外径设置的弹性密封裙16 ;多个支杆结构18,所述支杆结构18的第一端铰接在所述第二表面116,所述支杆结构18的第二端连接所述弹性密封裙16的下摆。 Laparoscopic cannula device according to the present embodiment comprises: a disk having opposing first surface 115 and second surface 116 is 11; a plurality of spherical sleeves 12 and 22 provided in the disk, the first surface and the second surface 115 through 116; 116 disposed along the outer diameter of the second surface of the resilient sealing skirt 16; 18, a first end of the strut structure of the plurality of struts articulated structure 18 in the second surface 116, a second end connected to the strut configuration of the resilient sealing skirt 18 of the skirt 16. 在本实施方式中,采用了两个类球形套管、三个支杆结构,在其它实施方式中可以根据需要调整数量。 In the present embodiment, using the two spherical bushings, three struts structure, can be adjusted in a number of other embodiments according to need. 本发明通过弹性密封裙撑开并密封腹壁,因此类球形套管的长度可以很短。 The present invention is stretched by an elastic sealing skirt and the sealing of the abdominal wall, so that the length of the spherical sleeve may be short. 较理想的方案是弹性密封裙下摆端设置一膨大橡胶环,辅助支撑弹性密封裙下摆更接近圆形的撑开。 The ideal solution is resilient sealing end provided with a skirt hem inflated rubber ring, resilient sealing skirt hem auxiliary support more circular distraction.

[0019] 在本实施方式中,弹性密封裙16通过吸附在第二表面116的磁性环17压着固定在第二表面116周沿。 [0019] In the present embodiment, the resilient sealing skirt 16 is adsorbed by the second magnetic ring 17 rides on the fixed surface 116 of the second surface 116 along the circumferential direction. 在其它实施方式中,可以采用粘合、螺丝锁定等方式固定在第二表面。 In other embodiments, the adhesive may be used, like a screw fixed to the second locking surface.

[0020] 在本实施方式中,所述类球形套管12、22是通过球铰形式与所述圆盘11相连,使其能以其球体部分121的球心为中心在该圆盘11内做一定范围的三维旋转。 [0020] In the present embodiment, the spherical sleeve 12, 22 is connected by a ball joint in the form of the disc 11, to enable the center of the disk 11 in its spherical center of the spherical portion 121 do a range of three-dimensional rotation. 这样使伸入类球形套管的器械具有更大的可动范围。 This allows the device extends into the spherical casing has a larger movable range.

[0021] 在本实施方式中,该圆盘11由第一盘片111和第二盘片112组合而成。 [0021] In the present embodiment, the combination of a first disk 11 and second disk 111 from disk 112. 这样可以方便类球形套管置入圆盘11中。 This can facilitate the spherical disks into the sleeve 11. 第一盘片111和第二盘片112通过螺15锁固。 The first disk 111 and second disk 112 by the locking screw 15.

[0022] 在本实施方式中,该类球形套管内具有封闭片125、225,该封闭片125、225单向封堵该类球形套管12、22,阻绝由该第二表面116至该第一表面115方向的导通。 [0022] In the present embodiment, the inner sleeve has such a spherical closure plate 125, 225, 125, 225, the one-way closure flap such spherical sealing sleeve 12 and 22, which block the first from the second surface 116 to conducting a surface 115 direction. 当器械由第一表面115侧伸入类球形套管12、22时,会拨开封闭片125、225。 When the cannula instrument 12 and 22 when the first side surface 115 extending into the spherical, 125, 225 tablets will poke closed. 当器械取出后封闭片125,225复位封堵该类球形套管12、22,这样可以防止手术过程中器械自类球形套管12、22取出后,腹腔内的气体泄露。 When the device is removed the closure plate 125, 225 is reset such spherical sealing sleeve 12 and 22, which can prevent the instrument from the surgical procedure spherical bushing 12 and 22 removed, the leakage of gas within the abdominal cavity.

[0023] 在本实施方式中,所述类球形套管12、22在所述第一表面侧具有磁性段122、222,该封闭片125、225具有磁性,在自然状态下该封闭片125、225位于所述类球形套管12、22的球体部分内,并吸附在所述磁性段122、222与所述类球形套管12、22的球体部分121、221的衔接处,达到封堵的效果。 [0023] In the present embodiment, the spherical sleeve 12 and 22 having magnetic segments 122, 222 of the first side surface, the closure flap 125, 225 having magnetism, the closure plate 125 in the natural state, 225 located within the sphere of the spherical portion of the sleeve 12 and 22, and the adsorption of the adapters 12 and 22 and the sphere spherical magnetic sleeve portion 121, 221 of the segments 122, 222, to achieve plugging effect. 在其它实施方式中,可以采用现有技术的其它的单向封闭设计,例如采用一端定位在类球形套管内壁的弹性封闭片等。 In other embodiments, the prior art may be employed for further unidirectional closed design, for example by positioning an end of the casing wall in the elastic spherical closure sheet or the like.

[0024] 在本实施方式中,腹腔镜套管装置包括覆盖所述类球形套管12、22在所述第一表面侧入口的密封环123、223。 [0024] In the present embodiment, the apparatus comprises a laparoscopic cannula sleeve covering the spheroidal ring seal 12, 22 in the first side surface 123, 223 of the inlet. 这样可以避免腹腔内的气体从器械与套管的间隙漏出。 This prevents the gas from leaking from a gap in the abdominal cavity of the cannula device.

[0025] 在本实施方式中,所述的腹腔镜套管装置包括牵引组件,所述牵引组件牵引并定位所述支杆结构,以使弹性密封裙16撑开的体积可调。 [0025] In the present embodiment, the laparoscopic cannula device comprises a traction assembly, said drawing assembly and positioning the traction strut structure, resilient sealing skirt 16 so that the expansion volume is adjustable. 本实施方式中的牵引组件包括:贯穿所述圆盘11的螺杆143 ;—端缠绕在所述螺杆143上,另一端固定在所述支杆结构18上的牵引线181 ;将所述螺杆143锁紧在所述圆盘11上的螺母141。 The present embodiment a traction assembly comprising: a screw 11 extending through the disc 143; - end wound around the screw 143, the other end of the pull wire is fixed on the strut 181 of the structure 18; the screw 143 locking disc 11 in the nut 141. 在调节弹性密封裙16撑开的体积时,先旋转螺杆143,将支杆结构18牵引定位在适当位置,然后旋紧螺母141,固定螺杆143。 When adjusting the resilient sealing skirt 16 of the expansion volume, the first rotation of the screw 143, pulling the pole structure 18 is positioned in place, and then tighten the nut 141, the screw 143 is fixed. 在其它实施方式中,可以采用现有技术的其它结构来调节支杆结构的位置,以实现弹性密封裙撑开的体积可调的效果。 In other embodiments, other prior art structures may be employed to adjust the position of the strut structure, in order to achieve the expansion of the resilient sealing skirt adjustable volume effect. 在支杆结构与螺杆距离较大时,为防止松弛后牵引线从螺杆上脱坠,可以在螺杆上设置导线槽或者在支杆结构与螺杆之间设置导线支撑件,导线支撑件可以固定在圆盘的第二表面。 When the screw rod structure greater distance, to prevent the slack of the pull wire from falling off the screw, the wire may be provided on the grooves or between the screw and the screw configuration strut wire support member, the support member may be fixed to the wire the second surface of the disk.

[0026] 在本实施方式中,所述支杆结构18由第一杆段182和第二杆段183通过螺纹组合形成。 [0026] In the present embodiment, the strut structure 18 by a first rod segment 182 and second segment 183 is formed by a threaded rod combination. 这样通过更换不同长度的第二杆段183,可以适应不同的腹壁厚度。 Thus by replacing the second rod section 183 of different lengths to suit different thickness of the abdominal wall.

[0027] 在本实施方式中,所述支杆结构的第二端具有圆角箭头状结构184,以穿透并固定在所述弹性密封裙的下摆。 [0027] In the present embodiment, the second end of the strut-like structure having a rounded configuration arrow 184, and is fixed to penetrate the resilient sealing skirt hem in. 为使固定更稳妥,可以在支杆结构的第二端并排设置两个以上的箭头状结构。 For more secure fixing, two or more may be provided side by side in an arrow-like configuration of the second end of the strut structure. 在其它实施方式中,也可以在支杆结构的第二端采用其它的现有结构与弹性密封裙连接。 In other embodiments, it may also be employed with other conventional structures resilient sealing skirt is connected to a second end of the strut structure.

[0028] 下面结合施行腹腔镜胆囊切除术过程,说明本发明腹腔镜套管装置的使用。 [0028] below with laparoscopic cholecystectomy procedure described laparoscopy cannula device of the present invention. 在脐下方作长约2.5cm左右的切口逐层进入腹腔。 Squares below the belly button length is about 2.5cm incision into the abdominal cavity layer by layer. 根据腹壁厚度选择第二杆段183的长度(注:第二杆段183可根据需要生产出不同的长度),与第一杆段182以螺纹相连。 , Is threadedly connected to the first rod segment 182: abdominal wall thickness selected length (a second rod segment 183 may be required to produce a different note lengths) according to the second rod segment 183. 此时,由于螺杆143未旋转或只部分旋转,牵引绳181松弛,三个支杆结构18相互靠拢。 At this time, since the screw 143 is not rotated or only a partial rotation, the traction rope slack 181, the structure of three struts 18 closer to each other. 使支杆结构18连同弹性密封裙16通过腹壁切口进入腹腔,而圆盘11在切口外。 So that the struts 18 together with the resilient sealing structure of the skirt 16 into the abdominal cavity through the abdominal incision, while the outer disk 11 in the notch. 分别缓慢旋转螺杆143,缩短牵引绳181使支杆结构18的第二端逐渐上抬并最终使圆角箭头状结构184钩住腹腔内侧壁,同时也使圆盘与腹壁外侧相紧靠,旋紧螺母141以固定螺杆143。 It was slowly rotating screw 143, 181 that the traction rope shorten strut structure of the second end 18 gradually and eventually rounded elevation arrowhead hook intraperitoneal sidewall structure 184, while the disk abuts with the outside of the abdominal wall, spin nuts 141,143 at a fixed screw. 然后可以从直径约1.6cm的类球形套管中置入IOmm直径的腹腔镜,从直径约1.0cm的类球形套管中置入其它操作器械,进行手术。 It may then be placed in the cannula from the spherical diameter of about 1.6cm in diameter laparoscope IOmm, further operation of the instrument into the cannula from the spherical diameter of about 1.0cm, the surgery. 为方便操作,可以旋转圆盘11,使两类形球套管12、22的球心连线与胆囊三角平面基本平行。 To facilitate operation, the disk 11 can rotate the two ball-shaped sleeve connecting the center of the sphere 12, 22 substantially parallel to the plane gallbladder triangle. 为方便旋转,可以先调节螺杆143放松牵引绳181。 To facilitate rotation of the adjustment screw 143 may first relax the pulling rope 181. 待手术完成后,取出腹腔镜套管装置,同时将胆囊取出。 After completion of surgery, laparoscopic cannula device removed, while gallbladder removed. 取出腹腔镜套管装置前,可以先松动并调节螺杆143,使支杆结构18相互靠拢、弹性密封裙16收缩,以便于取出。 Laparoscopic cannula device before extraction can be loosened and the first adjusting screw 143, so that the structure of the strut 18 closer to each other, resilient sealing skirt 16 contracted to facilitate removal. 最后逐层关闭腹腔,手术完毕。 Finally, the abdominal cavity is closed in layers, the operation is completed.

[0029] 在手术过程中,可以通过圆盘11上的通孔(未绘示)向腹腔缓慢充入C02气体,建立并维持腹腔内气体压力达到12-15cmH20左右。 [0029] In the surgical procedure, through the through hole in the disc 11 (not shown) was slowly charged into the C02 gas to the abdominal cavity, the abdominal cavity to establish and maintain the gas pressure reached about 12-15cmH20.

Claims (9)

1.一种腹腔镜套管装置,其特征在于包括: 具有相对的第一表面和第二表面的圆盘; 多个类球形套管设置在该圆盘内,使所述第一表面和所述第二表面贯通; 沿所述第二表面外径设置的弹性密封裙; 多个支杆结构,所述支杆结构的第一端铰接在所述第二表面,所述支杆结构的第二端连接所述弹性密封裙的下摆; 牵引组件,所述牵引组件牵引并定位所述支杆结构。 A laparoscopic cannula device, comprising: a disk having a first surface and a second opposing surface; a plurality of spherical disc disposed within the sleeve, and the first surface of the through said second surface; resilient sealing skirt along the outer diameter of the second surface is provided; a plurality of structure struts, in the second surface, a first end of the strut structure of the first strut of the hinge structure connecting the two ends of resilient sealing skirt skirt; drawing assembly, the drawing assembly and positioning the traction strut structure.
2.根据权利要求1所述的腹腔镜套管装置,其特征在于:所述类球形套管是通过球铰形式与所述圆盘相连,其能以其球体部分的球心为中心在该圆盘内做一定范围的三维旋转。 The laparoscopic cannula device according to claim 1, wherein: said spherical bushing is connected to the disc via a ball joint in the form, the sphere center of the sphere which can in its center portion in the make a range of the three-dimensional rotation disk.
3.根据权利要求1所述的腹腔镜套管装置,其特征在于:该圆盘由第一盘片和第二盘片组合而成。 3. The laparoscopic cannula device according to claim 1, wherein: the combination of a first disk and a second disk from the disk.
4.根据权利要求1所述的腹腔镜套管装置,其特征在于:该类球形套管内具有封闭片,该封闭片单向封堵该类球形套管,阻绝由该第二表面至该第一表面方向的导通。 4. The laparoscopic cannula device according to claim 1, wherein: the inner sheet having such a closed spherical casing, the one-way closure flap closure such spherical casing, to a denial of the second surface of the first conducting a surface direction.
5.根据权利要求4所述的腹腔镜套管装置,其特征在于:所述类球形套管在所述第一表面侧具有磁性段,该封闭片具有磁性,在自然状态下该封闭片位于所述类球形套管的球体部分内,并吸附在所述磁性段与所述类球形套管的球体部分的衔接处。 The laparoscopic cannula device according to claim 4, wherein: said sleeve having a magnetic spherical segment surface of the first side, the sheet has a magnetic closure in the natural state of the closure plate is located spherical ball portion of the inner sleeve, and adsorbed on the magnetic section and the class of the adapter sleeve spherical spherical portion.
6.根据权利要求1所述的腹腔镜套管装置,其特征在于包括覆盖所述类球形套管在所述第一表面侧入口的密封环。 6. The laparoscopic cannula device according to claim 1, characterized in that the cover comprises a sealing ring sleeve spheroidal surface side of the first inlet.
7.根据权利要求1所述的腹腔镜套管装置,其特征在于所述牵引组件包括:贯穿所述圆盘的螺杆; 一端缠绕在所述螺杆上,另一端固定在所述支杆结构上的牵引线; 将所述螺杆锁紧在所述圆盘上的螺母。 The laparoscopic cannula device according to claim 1, characterized in that said traction assembly comprises: a screw extending through the disk; end wound around the screw, and the other end is fixed on the strut structure traction line; the locking screw nut on the disk.
8.根据权利要求1所述的腹腔镜套管装置,其特征在于:所述支杆结构由第一杆段和第二杆段组合形成。 8. The laparoscopic cannula device according to claim 1, wherein: said strut structure is formed by a combination of the second rod segments and the first rod segment.
9.根据权利要求1所述的转动式腹腔镜套管组合装置,其特征是:所述支杆结构的第二端具有圆角箭头状结构,以穿透并固定在所述弹性密封裙的下摆。 9. The rotary device of laparoscopic cannula assembly according to claim 1, characterized in that: the second end of the strut structure of the arrow-like structure having rounded corners, and is fixed to penetrate the resilient sealing skirt hem.
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CN101711687A (en) 2008-09-30 2010-05-26 伊西康内外科公司 Surgical access device
CN101822554A (en) 2009-03-06 2010-09-08 伊西康内外科公司 Surgical access devices and methods providing seal movement in predefined paths

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