CN113616906A - A laparoscopic visual balloon expansion device for the extraperitoneal cavity - Google Patents

Abstract

Translated fromChinese

本发明公开了一种腹腔镜用腹膜外腔可视球囊扩张装置，涉及手术辅助器械技术领域，解决了目前使用的球囊扩张不具备对照组件，不能在打气的同时通过对照组件观察测量球囊的展开程度的问题。一种腹腔镜用腹膜外腔可视球囊扩张装置，包括主穿管，所述主穿管的外部密封熔设有手术气囊，主穿管开设通孔与手术气囊连通；主穿管外部设置有针孔摄像头，针孔摄像头监控手术气囊，通过设置有对照气囊，提供了对照展示功能，能够在无法观察手术气囊的时候，安装对照气囊的扩张程度推断手术气囊的开合程度，在提升件下降的过程中推进活塞杆将活塞筒内的空气分别输入手术气囊和对照气囊，将手术气囊和对照气囊同比例扩张，能够保证对照的精准。

The invention discloses a visual balloon expansion device for laparoscopic extraperitoneal cavity, relates to the technical field of surgical aids, and solves the problem that the currently used balloon expansion does not have a control component, and the measurement ball cannot be observed through the control component while inflating The problem of the degree of expansion of the sac. A laparoscopic extraperitoneal cavity visible balloon expansion device comprises a main penetrating tube, an external sealing and melting of the main penetrating tube is provided with a surgical airbag, a through hole is opened in the main penetrating tube to communicate with the surgical airbag; There is a pinhole camera. The pinhole camera monitors the surgical airbag. By setting the control airbag, it provides a comparison display function. When the surgical airbag cannot be observed, the expansion degree of the installed control airbag can infer the opening and closing degree of the surgical airbag. During the descending process, the piston rod is pushed forward to input the air in the piston cylinder into the surgical air bag and the control air bag respectively, and the surgical air bag and the control air bag are expanded in the same proportion, which can ensure the accuracy of the control.

Description

Visual sacculus expanding unit of peritonaeum exocoel for peritoneoscope

Technical Field

The invention relates to the technical field of surgical auxiliary instruments, in particular to a visible extraperitoneal cavity balloon dilatation device for a laparoscope.

Background

Balloon dilatation is an operation method, and laparoscopic surgery is to make a plurality of small incisions in different parts of the abdomen, insert tools such as a camera lens and a balloon through the small incisions, and perform operation inside organs such as blood vessels by inflating the balloon with gas.

Through retrieving for example, the patent that publication number is CN208625766U discloses an abdominal cavity operation auxiliary instrument, concretely relates to a visual sacculus expander for separating back peritoneum, including puncture pipe, gas-supply pipe, expansion sacculus, the sacculus expander still include from sealing device, puncture pipe one end connect from sealing device, the expansion sacculus is connected to the other end, the nested gas-supply pipe in puncture pipe the inside, the gas-supply pipe include intake pipe and blast pipe, intake pipe and blast pipe are hollow tube core, intake pipe the inside install a flap, an inflation joint is installed to the air inlet, the exhaust pipe mouth be provided with a sealing plug, the external diameter of gas-supply pipe be unanimous with the external diameter of peritoneoscope, self-sealing device be circular plug, the plug has three-layer sealing flap there is a cross-shaped incision in the middle of the sealing flap. The visual balloon dilator has the advantages of simple structure, convenience in operation, low cost, safety and reliability.

Similar to the stent of the above application, the following disadvantages exist:

firstly, the currently used balloon dilatation does not have a contrast assembly, and the deployment degree of the measurement balloon cannot be observed through the contrast assembly while the balloon is inflated; secondly, the assembly for rapidly propelling the auxiliary pipe is not provided, so that the pipeline conveying is not facilitated; thirdly, there is no component to detect the completeness of the airbag, which is not good for safety protection.

Therefore, the existing requirements are not met, and a visual extraperitoneal cavity balloon dilatation device for laparoscope is provided.

Disclosure of Invention

The invention aims to provide a visible extraperitoneal cavity balloon dilatation device for laparoscopes, which aims to solve the problems that the existing balloon dilatation is not provided with a contrast assembly, and the expansion degree of a measurement balloon cannot be observed through the contrast assembly while inflating, wherein the contrast assembly is arranged on the outer surface of the measurement balloon; secondly, the assembly for rapidly propelling the auxiliary pipe is not provided, so that the pipeline conveying is not facilitated; thirdly, the device does not have a component for detecting the completeness of the air bag, which is not beneficial to safety protection.

In order to achieve the purpose, the invention provides the following technical scheme: a visible extraperitoneal balloon dilatation device for a laparoscope comprises a main penetrating pipe, wherein an operation balloon is hermetically fused outside the main penetrating pipe, and the main penetrating pipe is provided with a through hole communicated with the operation balloon; a pinhole camera is arranged outside the main penetrating pipe and monitors the operation air bag; the left connecting piece is connected with the main penetrating pipe, and the front end of the left connecting piece is provided with a computer wiring jack; the piston cylinders are arranged in two groups, and the two groups of piston cylinders are fixedly arranged at the top of the main through pipe; the main body of the propulsion device is of a U-shaped structure, and a gear box is fixedly arranged on one side of the propulsion device.

Preferably, the main penetrating pipe further comprises: the wire layer is arranged inside the main through pipe, and two sides of the wire layer are fixed by arranging positioning blocks; the pipe end outside butt fusion of main poling is provided with the hemisphere head, and hemisphere head inside is hollow support structure, and the corner of hemisphere head all rounds.

Preferably, the surgical balloon further comprises: the detection electrodes are attached to the inside of the operation air bag, and the connecting wires of the two groups of detection electrodes are arranged inside the electric wire layer.

Preferably, the connecting member further comprises: the contrast gasbag, the rear end connection of right side connecting piece is provided with hard trachea, and hard trachea's outside parcel is provided with the contrast gasbag, and hard trachea's outside is seted up porosely, and the volume and the variable quantity of contrast gasbag and operation gasbag are unanimous.

Preferably, the piston cylinder further comprises: the top seats are fixedly arranged at the tops of the two groups of piston cylinders, and the front ends of the top seats are rotatably provided with hand rocking shafts A; the piston rod, there are two groups of piston rods slidably in the footstock, the bottom of the piston rod sets up the piston and connects with piston cylinder piston; the lifting piece is fixedly arranged at the tops of the two groups of piston rods, and a U-shaped structure which is turned downwards is integrally arranged on the front side of the lifting piece.

Preferably, the front end of the piston cylinder is provided with a shaft bracket structure, a lead screw is rotatably arranged in the shaft bracket, and the lead screw is in threaded connection with the bottom of the U-shaped structure at the front side of the lifting piece; the hand-operated shaft A is in transmission connection with the lead screw through a bevel gear.

Preferably, the propulsion device further comprises: the top of the propelling device is fixedly provided with a top strip, the middle of the top strip is rotatably provided with a driving wheel of a hand-cranking shaft B, the bottom of the hand-cranking shaft B is fixedly provided with a driving wheel, and the bottom of the driving wheel is provided with an eccentric circular groove; the fixed rubbing block is fixedly arranged on the inner side of the top of the propelling device; the middle of the top of the propelling device is provided with a sliding rubbing block in a transverse sliding mode through a sliding rod, one side of the top of the sliding rubbing block is provided with a round rod, and the round rod is arranged in an eccentric round groove in a sliding mode; the device comprises rollers, wherein two groups of L-shaped shaft brackets are arranged on one side of the propelling device, two groups of rollers are rotatably arranged in the L-shaped shaft brackets through roller shafts, and the rollers are attached to a main through pipe; the transmission shaft is in transmission connection with the hand-operated shaft B through a bevel gear, and the transmission shaft is in transmission connection with a gear arranged in the gear box through a roll shaft.

Preferably, the length of the sliding rubbing block is half of the length of the sliding rubbing block plus the diameter of the main penetrating pipe.

Compared with the prior art, the invention has the following beneficial effects:

the invention provides a visible peritoneal outer cavity balloon dilatation device for laparoscopes, which is provided with a contrast balloon, provides a contrast display function, can estimate the opening and closing degree of a surgical balloon by installing the dilatation degree of the contrast balloon when the surgical balloon cannot be observed, pushes a piston rod to respectively input air in a piston cylinder into the surgical balloon and the contrast balloon in the descending process of a lifting piece, dilates the surgical balloon and the contrast balloon in the same proportion, and can ensure the contrast accuracy.

Secondly, a propulsion device is arranged to provide a component for rapidly propelling an auxiliary penetrating pipe, a main penetrating pipe is inserted into a blood vessel, a hand-operated shaft B is rotated to drive a driving wheel to rotate, meanwhile, a reciprocating mechanism consisting of an eccentric circular groove and a circular rod at the top of a sliding rubbing block drives the sliding rubbing block to reciprocate, and the main penetrating pipe is rubbed repeatedly by using a fixed rubbing block and the sliding rubbing block to rotate bidirectionally; the hand crank shaft B rotates and simultaneously drives the roller shaft to rotate through a gear in the gear box, the roller is further driven to rotate, the roller is used for conveying the main penetrating pipe, the main penetrating pipe is pushed towards the inside of a human body, and the penetrating pipe is realized by the aid of the direction of the hemispherical head.

Moreover, the detection electrode is arranged, a monitoring and alarming function is provided for the operation air bag, safety protection can be provided, when the operation air bag is damaged, blood enters the operation air bag, an alarming signal can be fed back by switching on the detection electrode, air input can be stopped in time, and the detection electrode provides a monitoring function.

Drawings

FIG. 1 is a schematic perspective view of an embodiment of the present invention;

FIG. 2 is a schematic diagram of an axial structure according to an embodiment of the present invention;

FIG. 3 is a schematic perspective view of a surgical balloon in accordance with an embodiment of the present invention;

FIG. 4 is a perspective view of a propulsion device according to an embodiment of the present invention;

FIG. 5 is a schematic diagram of an axial structure of a propulsion device according to an embodiment of the present invention;

FIG. 6 is a schematic perspective view of a piston cylinder according to an embodiment of the present invention;

FIG. 7 is an enlarged partial structural view of part A in the embodiment of the present invention;

FIG. 8 is an enlarged partial structural view of a portion B in the embodiment of the present invention;

in fig. 1 to 8, the correspondence between the part names or lines and the reference numbers is:

1. a main pipe penetration; 101. a wire layer; 102. positioning blocks; 103. a hemispherical head; 104. a pinhole camera; 2. a surgical balloon; 201. a detection electrode; 3. a connecting member; 301. a control air bag; 4. a piston cylinder; 401. a top seat; 402. a hand crank shaft A; 403. a piston rod; 404. a lifting member; 5. a lead screw; 6. a propulsion device; 601. carrying out top strip; 602. a hand crank shaft B; 603. a driving wheel; 604. an eccentric circular groove; 605. fixing the rubbing block; 606. sliding the rubbing block; 607. a roll shaft; 608. a roller; 609. a drive shaft; 7. a gear box.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, e.g., as being fixed or detachable or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1 to 8, an embodiment of the present invention includes: a visible extraperitoneal balloon dilatation device for laparoscopes comprises a main penetratingpipe 1, wherein anoperation balloon 2 is hermetically fused outside the main penetratingpipe 1, and the main penetratingpipe 1 is provided with a through hole communicated with theoperation balloon 2; apinhole camera 104 is arranged outside the main penetratingpipe 1, and thepinhole camera 104 monitors theoperation air bag 2; the number of the connectingpieces 3 is two, the two connectingpieces 3 are fixedly connected, the left connectingpiece 3 is connected with themain poling pipe 1, and the front end of the left connectingpiece 3 is provided with a computer wiring jack; thepiston cylinders 4 are arranged in two groups, and the two groups ofpiston cylinders 4 are fixedly arranged at the top of the main throughpipe 1; the main body of the propellingdevice 6 is of a U-shaped structure, and agear box 7 is fixedly arranged on one side of the propellingdevice 6.

The left connectingpiece 3 needs to be connected with a control computer for use.

Wherein,main poling 1 still includes: thewire layer 101 is arranged inside the main throughpipe 1, and two sides of thewire layer 101 are fixed through the positioning blocks 102; the pipe end of themain poling pipe 1 is provided with ahemispherical head 103 in a welded mode, thehemispherical head 103 is of a hollow support structure, and corners of thehemispherical head 103 are rounded.

Referring to fig. 7-8, the main penetratingpipe 1 is pushed and guided by thehemispherical head 103, so that the threading step can be omitted, and the main penetratingpipe 1 is divided into an inner layer and an outer layer, which can ensure the normal transmission of gas and electronic signals.

Wherein,operation gasbag 2 still includes: thedetection electrodes 201 are attached to the inside of thesurgical balloon 2, and two sets ofdetection electrodes 201 are arranged inside thewire layer 101.

Referring to fig. 3, a monitoring function is provided by arranging thedetection electrode 201, when theoperation airbag 2 is damaged, blood enters theoperation airbag 2, an alarm signal can be fed back by connecting thedetection electrode 201, and air input can be stopped in time.

Wherein, connectingpiece 3 still includes: thecomparison air bag 301 is connected with the rear end of theright connecting piece 3 and is provided with a hard air pipe, thecomparison air bag 301 is wrapped outside the hard air pipe, an air hole is formed in the outside of the hard air pipe, and the volume and the variable quantity of thecomparison air bag 301 and theoperation air bag 2 are consistent.

Referring to fig. 1, thecontrol balloon 301 and theoperation balloon 2 have the same air source, and the control function can be generated, and the degree of deployment of theoperation balloon 2 can be estimated by observing the opening and closing degree of thecontrol balloon 301.

Wherein,piston cylinder 4 still includes: thetop seats 401 are fixedly arranged at the tops of the two groups ofpiston cylinders 4, and the front ends of thetop seats 401 are rotatably provided with hand shafts A402; two groups ofpiston rods 403 are slidably arranged in thetop seat 401, and pistons are arranged at the bottoms of thepiston rods 403 and are connected with the pistons of thepiston cylinders 4; the liftingpieces 404 are fixedly arranged at the tops of the two groups ofpiston rods 403, and the front sides of the liftingpieces 404 are integrally provided with a downward-turning U-shaped structure; the front end of thepiston cylinder 4 is provided with a shaft bracket structure, alead screw 5 is rotationally arranged in the shaft bracket, and thelead screw 5 is in threaded connection with the bottom of the U-shaped structure at the front side of thelifting piece 404; the hand shaft A402 is in bevel gear transmission connection with thescrew 5.

Referring to fig. 6, the air sources of thecontrol balloon 301 and theoperation balloon 2 are provided by thepiston cylinder 4, so that the opening and closing of thecontrol balloon 301 and theoperation balloon 2 can be controlled.

Wherein, advancing device 6 still includes: the top of the pushing device 6 is fixedly provided with a top strip 601, the middle of the top strip 601 is rotatably provided with a driving wheel 603 of a hand-operated shaft B602, the bottom of the hand-operated shaft B602 is fixedly provided with the driving wheel 603, and the bottom of the driving wheel 603 is provided with an eccentric circular groove 604; a fixed rubbing block 605, the inner side of the top of the propelling device 6 is fixedly provided with the fixed rubbing block 605; the middle of the top of the propelling device 6 is provided with a sliding rubbing block 606 in a transverse sliding mode through a sliding rod, one side of the top of the sliding rubbing block 606 is provided with a round rod, and the round rod is arranged in the eccentric round groove 604 in a sliding mode; two groups of L-shaped shaft brackets are arranged on one side of the propelling device 6, two groups of rollers 608 are rotatably arranged in the L-shaped shaft brackets through a roller shaft 607, and the rollers 608 are attached to the main penetrating pipe 1; a transmission shaft 609, the transmission shaft 609 is in bevel gear transmission connection with the hand cranking shaft B602, and the transmission shaft 609 is in gear transmission connection with a roller shaft 607 in the gear box 7; the length of the sliding rubbing block 606 is half of the sliding rubbing block 606 plus the diameter of the main penetration pipe 1.

Referring to fig. 4-5, the pushingdevice 6 can provide a conveying and swinging function, and can rotate the main penetratingtube 1 to realize the operation while feeding.

The working principle is as follows: when the blood vessel puncture outfit is used, themain puncture outfit 1 is inserted into a blood vessel, the hand-operated shaft B602 is rotated, the hand-operated shaft B602 drives thedriving wheel 603 to rotate, meanwhile, the eccentriccircular groove 604 and the circular rod at the top of the sliding rubbingblock 606 form a reciprocating mechanism to drive the sliding rubbingblock 606 to reciprocate, and themain puncture outfit 1 is rubbed repeatedly by the fixed rubbingblock 605 and the sliding rubbingblock 606 to rotate bidirectionally; when the hand-cranking shaft B602 rotates, theroller shaft 607 is driven to rotate through a gear in thegear box 7, theroller wheel 608 is further driven to rotate, the main penetratingpipe 1 is conveyed through theroller wheel 608, the main penetratingpipe 1 is pushed towards the inside of a human body, and penetrating is achieved through the guiding of thehemispherical head 103.

When expandingoperation gasbag 2, rotate hand axle A402, hand axle A402 driveslead screw 5 rotatory through bevel gear,lead screw 5 descends liftingmember 404 through screw drive, impelpiston rod 403 with the air in thepiston cylinder 4 respectively inputoperation gasbag 2 andcontrast gasbag 301 at the in-process that liftingmember 404 descends, withoperation gasbag 2 andcontrast gasbag 301 expansion with the same proportion,operation gasbag 2 provides the operation function, andcontrast gasbag 301 can show the expansion degree ofoperation gasbag 2.

When theoperation air bag 2 is damaged, blood enters theoperation air bag 2, an alarm signal can be fed back by connecting thedetection electrode 201, air input can be stopped in time, and thedetection electrode 201 provides a monitoring function.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims (8)

Translated fromChinese

1.一种腹腔镜用腹膜外腔可视球囊扩张装置，其特征在于，包括：1. a laparoscopic extraperitoneal cavity visible balloon expansion device is characterized in that, comprising:主穿管，所述主穿管的外部密封熔设有手术气囊，主穿管开设通孔与手术气囊连通；主穿管外部设置有针孔摄像头，针孔摄像头监控手术气囊；a main piercing tube, the outer sealing and fusion of the main piercing tube is provided with a surgical airbag, and the main piercing tube is provided with a through hole to communicate with the surgical airbag; a pinhole camera is arranged outside the main piercing tube, and the pinhole camera monitors the surgical airbag;连接件，所述连接件的数量设置为两组，两组连接件固定连接，左侧连接件与主穿管连接，左侧连接件的前端设置有计算机接线插孔；connecting pieces, the number of the connecting pieces is set to two groups, the two sets of connecting pieces are fixedly connected, the left connecting piece is connected with the main through pipe, and the front end of the left connecting piece is provided with a computer wiring jack;活塞筒，所述活塞筒的数量设置为两组，两组活塞筒固定设置在主穿管的顶部；Piston cylinders, the number of the piston cylinders is set to two groups, and the two groups of piston cylinders are fixedly arranged on the top of the main through pipe;推进装置，所述推进装置的主体为U形结构，且推进装置的一侧固定设置有齿轮箱。A propulsion device, the main body of the propulsion device is a U-shaped structure, and a gear box is fixedly arranged on one side of the propulsion device.2.根据权利要求1所述的一种腹腔镜用腹膜外腔可视球囊扩张装置，其特征在于，所述主穿管还包括有：2. A laparoscopic extraperitoneal cavity visible balloon expansion device according to claim 1, wherein the main penetrating tube further comprises:电线层，主穿管的内部设置有电线层，电线层的两侧通过设置定位块固定；The wire layer, the inner part of the main through pipe is provided with a wire layer, and the two sides of the wire layer are fixed by setting positioning blocks;半球头，主穿管的管端外部熔接设置有半球头，半球头内部为空心支架结构，半球头的边角均倒圆角。The hemispherical head is provided with a hemispherical head welded on the outside of the pipe end of the main penetration pipe, the inside of the hemispherical head is a hollow support structure, and the corners of the hemispherical head are rounded.3.根据权利要求1所述的一种腹腔镜用腹膜外腔可视球囊扩张装置，其特征在于，所述手术气囊还包括有：3. A laparoscopic extraperitoneal cavity visible balloon expansion device according to claim 1, wherein the surgical balloon further comprises:检测电极，手术气囊的内部贴合设置有两组检测电极，两组检测电极的连接线均设置于电线层的内部。For the detection electrodes, two sets of detection electrodes are fitted inside the surgical airbag, and the connecting wires of the two sets of detection electrodes are all arranged inside the wire layer.4.根据权利要求1所述的一种腹腔镜用腹膜外腔可视球囊扩张装置，其特征在于，所述连接件还包括有：4. A laparoscopic extraperitoneal cavity visible balloon expansion device according to claim 1, wherein the connector further comprises:对照气囊，右侧连接件的后端连接设置有硬式气管，硬式气管的外部包裹设置有对照气囊，且硬式气管的外部开设有气孔，对照气囊与手术气囊的容积和可变量一致。For the control airbag, the rear end of the right connector is connected with a rigid trachea, the outer package of the rigid trachea is provided with a control airbag, and the outside of the rigid trachea is provided with air holes. The volume and variable of the control airbag and the surgical airbag are consistent.5.根据权利要求1所述的一种腹腔镜用腹膜外腔可视球囊扩张装置，其特征在于，所述活塞筒还包括有：5. A laparoscopic extraperitoneal cavity visible balloon expansion device according to claim 1, wherein the piston cylinder further comprises:顶座，两组活塞筒的顶部固定设置有顶座，顶座的前端旋转设置有手摇轴A；The top seat, the top of the two sets of piston cylinders is fixedly provided with a top seat, and the front end of the top seat is rotatably provided with a hand crank shaft A;活塞杆，顶座中滑动设置有两组活塞杆，活塞杆的底部设置活塞并与活塞筒活塞连接；Piston rod, two sets of piston rods are slidably arranged in the top seat, and the bottom of the piston rod is provided with a piston and connected with the piston of the piston cylinder;提升件，两组活塞杆的顶部固定设置有提升件，提升件的前侧一体式设置有向下转折的U形结构。Lifting pieces, the tops of the two sets of piston rods are fixedly provided with lifting pieces, and the front side of the lifting pieces is integrally provided with a downwardly turned U-shaped structure.6.根据权利要求5所述的一种腹腔镜用腹膜外腔可视球囊扩张装置，其特征在于，所述活塞筒的前端安装有轴架结构，轴架内旋转设置有丝杠，丝杠与提升件的前侧U形结构底部螺纹连接；手摇轴A与丝杠设置锥齿轮传动连接。6. A laparoscopic extraperitoneal cavity visual balloon expansion device according to claim 5, wherein a shaft frame structure is installed at the front end of the piston cylinder, and a lead screw is rotatably arranged in the shaft frame. The rod is threadedly connected with the bottom of the U-shaped structure on the front side of the lifting piece; the hand crank shaft A is connected with the lead screw by a bevel gear transmission.7.根据权利要求1所述的一种腹腔镜用腹膜外腔可视球囊扩张装置，其特征在于，所述推进装置还包括有：7. A laparoscopic extraperitoneal cavity visible balloon expansion device according to claim 1, wherein the propulsion device further comprises:顶条，推进装置的顶部固定设置有顶条，顶条的中间旋转设置有手摇轴B；The top bar, the top of the propulsion device is fixedly provided with a top bar, and the middle of the top bar is rotated with a hand crank shaft B;传动轮，手摇轴B的底部固定设置有传动轮，传动轮的底部开设有偏心圆槽；The transmission wheel, the bottom of the hand crank shaft B is fixedly provided with a transmission wheel, and the bottom of the transmission wheel is provided with an eccentric circular groove;固定搓块，推进装置的顶部内侧固定设置有固定搓块；A fixed rubbing block, and a fixed rubbing block is fixed on the inner side of the top of the propulsion device;滑动搓块，推进装置的顶部中间通过滑杆横向滑动设置有滑动搓块，滑动搓块顶部一侧设置有圆杆，圆杆滑动设置于偏心圆槽内；The sliding rubbing block is arranged in the middle of the top of the propulsion device through the sliding rod to slide horizontally, and a round rod is arranged on one side of the top of the sliding rubbing block, and the round rod is slidably arranged in the eccentric circular groove;辊轮，推进装置的一侧设置有两组L形轴架，L形轴架内通过辊轴旋转设置有两组辊轮，辊轮贴合主穿管；Roller, one side of the propulsion device is provided with two sets of L-shaped shaft frames, and two sets of rollers are arranged in the L-shaped shaft frame through the rotation of the roller shaft, and the rollers fit the main wear pipe;传动轴，传动轴与手摇轴B设置锥齿轮传动连接，传动轴与辊轴在齿轮箱内设置齿轮传动连接。The transmission shaft, the transmission shaft and the hand crank shaft B are provided with a bevel gear transmission connection, and the transmission shaft and the roller shaft are provided with a gear transmission connection in the gear box.8.根据权利要求7所述的一种腹腔镜用腹膜外腔可视球囊扩张装置，其特征在于，所述滑动搓块的长度为滑动搓块的一半加主穿管的直径。8 . The laparoscopic extraperitoneal cavity visible balloon expansion device according to claim 7 , wherein the length of the sliding block is half of the sliding block plus the diameter of the main penetrating tube. 9 .

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