CN218589054U

CN218589054U - Tissue traction device under laparoscope

Info

Publication number: CN218589054U
Application number: CN202222041274.8U
Authority: CN
Inventors: 邓科; 崔巍; 赵逸斌
Original assignee: Ningbo Medical Center Lihuili Hospital
Current assignee: Ningbo Medical Center Lihuili Hospital
Priority date: 2022-08-01
Filing date: 2022-08-01
Publication date: 2023-03-10
Anticipated expiration: 2032-08-01

Abstract

The utility model provides a tissue traction device under a laparoscope, which comprises an outer supporting block which is arranged outside an abdominal cavity and used for providing magnetic force and an inner supporting block which is arranged in the abdominal cavity and can be sucked on the outer supporting block, wherein a first magnet is arranged in the outer supporting block, and a first hanging rope is arranged at the top of the outer supporting block; the inner supporting block is internally provided with a metal block or a second magnet which can be attracted to the first magnet, the lower end of the inner supporting block is provided with a second hanging rope, the end part of the second hanging rope is provided with a clamp, and the lower surface of the outer supporting block and the upper surface of the inner supporting block are provided with protective layers made of flexible materials. The utility model discloses tissue draw gear under peritoneoscope, convenient to use, suspend in midair effectually, need not the nipper passageway, reduced operation time and cost, easily promote.

Description

Tissue traction device under peritoneoscope

Technical Field

The utility model relates to a peritoneoscope, in particular to tissue traction device under peritoneoscope.

Background

In abdominal cavity operation, a puncture outfit is implanted in a puncture hole in the abdominal wall, after a channel which can be communicated with the abdominal cavity is established, forceps are put into the channel, and tissues are gripped by the forceps to be drawn and exposed, so that the operation is carried out. In traditional abdominal cavity operation, need set up a plurality of holes on the stomach wall, be more than 3 usually, including cutter passageway, camera lens passageway, nipper passageway, need the handheld nipper of other medical personnel to carry out the tissue and pull to suspend in midair and expose simultaneously, increased patient's stomach wall wound, increased medical personnel's intensity of labour simultaneously.

SUMMERY OF THE UTILITY MODEL

【1】 Technical problem to be solved

The to-be-solved technical problem of the utility model is to provide a tissue draw gear under peritoneoscope that suspends in midair, reduces the stomach wall and stabs hole and wound through magnetism.

【2】 Technical scheme for solving problems

The utility model provides a tissue traction device under a laparoscope, which comprises an outer supporting block which is arranged outside an abdominal cavity and used for providing magnetic force and an inner supporting block 4 which is arranged in the abdominal cavity and can be sucked on the outer supporting block, wherein a first magnet 8 is arranged in the outer supporting block, and a first hanging rope 1 is arranged at the top of the outer supporting block; the inner supporting block 4 is internally provided with a metal block or a second magnet which can be attracted to the first magnet 8, the lower end of the inner supporting block 4 is provided with a second hanging rope 5, the end part of the second hanging rope 5 is provided with a clamp 7, and the lower surface of the outer supporting block and the upper surface of the inner supporting block 4 are provided with protective layers made of flexible materials.

Further, the cross section of the outer support block and/or the inner support block 4 is circular or rectangular with round corners.

Further, outer support block includes casing 3 down and fixes last casing 2 on the casing 3 down, casing 3 includes circular shape backup pad 31 down, the upper surface of backup pad 31 is equipped with cylinder 32, the axis of cylinder 32 coaxial in the axis of backup pad 31, the shaping has the open installation cavity 320 in upper end in the cylinder 32, be equipped with first magnet 8 in the installation cavity 320 and be used for adjusting the supporting pad 9 of the height of first magnet 8, go up casing 2 threaded connection on the cylinder 32.

Further, be equipped with first adjustment mechanism on the outer support block, first adjustment mechanism is including installing with rotating worm wheel 21 in the outer support block and meshing in worm wheel 21's worm 23, the axis of rotation of worm wheel 21 is on a parallel with the horizontal plane, the coaxial fixed first spool 22 that has of tip of worm wheel 21, first string rope 1 winding is in on the first spool 22, the tip of worm 23 extends to outside the outer support block and be connected with an adjusting hand wheel 24.

Further, a second adjusting mechanism 6 is arranged on the second hanging rope 5, the second adjusting mechanism 6 includes a housing 61 and a second winding shaft 62, the housing 61 is a horizontally arranged cylinder, a wire groove 610 penetrates through a side wall of the housing 61, the second winding shaft 62 is sleeved in the housing 61 and can realize radial rotation and axial movement, a wire hole 620 penetrates through a side wall of the winding shaft 62, the second hanging rope 5 sequentially penetrates through the wire groove 610 and the wire hole 620 from top to bottom and then is connected with the clip 7, annular protrusions are arranged at two ends of the second winding shaft 62 to form a supporting portion, strip-shaped limiting grooves are uniformly distributed in the circumferential direction of the side wall of the supporting portion, the length direction of the limiting grooves is parallel to the axis of the second winding shaft 62, and limiting protrusions corresponding to the limiting grooves are arranged on the inner wall of the housing 61; the head of the second spool 62 extends out of the housing 61 and forms an operating portion 64.

Further, the limiting groove is in interference fit with the limiting protrusion.

Further, the clip 7 is a plastic ligation clip.

Furthermore, the number of the second hanging ropes 5 is two or more.

Further, the support pad is made of rubber.

【3】 Advantageous effects

The tissue traction device under the laparoscope adopts the magnetic type suspension, does not need the grasping forceps to grasp the tissue for suspension, saves a channel of the grasping forceps for suspension in the operation, saves labor in operation, reduces the puncture number of the abdominal wall and the injury of the abdominal wall of a patient, reduces the burden of the patient, and improves the efficiency of laparoscopic surgery; the height of the magnet is adjustable, the magnetic force can be adjusted according to the thicknesses of the abdominal walls of different patients, different use requirements are met, the use range is wide, and the effect is good; the first adjusting mechanism is arranged, the height of the outer supporting block can be finely adjusted, the adjustment is convenient, the labor is saved, the suspension precision is improved, and the operation is convenient; the second adjusting mechanism is arranged, so that the structure is compact, the size is small, the length of the second hanging rope is adjusted, the adjustment is convenient and labor-saving, and the suspension precision of the clamp is improved; the utility model discloses tissue draw gear under peritoneoscope, convenient to use, suspend in midair effectually, need not the nipper passageway, reduced operation time and cost, easily promote.

Drawings

FIG. 1 is a schematic view of the tissue traction device under laparoscope according to the present invention;

FIG. 2 is a schematic view of the exploded view of the laparoscopic tissue traction device of the present invention;

FIG. 3 is a schematic view of the outer support block of the tissue traction device under laparoscope according to the present invention;

FIG. 4 is a schematic view of the lower housing of the laparoscopic tissue retraction device of the present invention;

FIG. 5 is a cross-sectional view of the outer support block of the laparoscopic tissue traction device of the present invention;

fig. 6 is a schematic structural view of a second adjusting mechanism of the tissue traction device under laparoscope according to the present invention.

Detailed Description

The embodiments of the present invention will be described in detail below with reference to the accompanying drawings.

Referring to fig. 1-6, the present invention provides a tissue traction device under laparoscope, which is used for supporting the abdominal wall and the internal tissue in laparoscopic surgery, and specifically, comprises an outer supporting block and an inner supporting block 4, when in use, the outer supporting block is placed outside the abdominal cavity for providing magnetic (absorption) force, the inner supporting block 4 is placed in the abdominal cavity and can be attracted to the inner supporting block 4 of the outer supporting block, a first magnet 8 is arranged in the outer supporting block, in this embodiment, the first magnet 8 is a permanent magnet, and a first hanging rope 1 is arranged at the top of the outer supporting block for hanging the outer supporting block; a metal block or a second magnet is arranged in the inner supporting block 4, can be attracted to the first magnet 8, is a metal or alloy containing iron, chromium, nickel and cobalt when being the metal block, is attracted to the first magnet and enables the abdominal wall to be suspended under the traction force of the first hanging rope, an operation space is generated at the lower end of the abdominal wall, the lower end of the inner supporting block 4 is provided with two or more second hanging ropes 5, the lower end of each second hanging rope 5 is provided with a clamp 7 which can clamp in-vivo tissues and further lift the tissues blocking the operation visual field, and the clamp 7 is a plastic ligation clamp, in particular a hemolock ligation clamp which can clamp and support (pull and suspend) the tissues in the abdominal cavity; the inner and outer support blocks are integrally made of plastic.

In order to improve the fitting force, in the embodiment, the lower surface of the outer support block is an inward-concave arc-shaped surface, the depth of the arc-shaped surface is 2mm-5mm, the diameter of the arc-shaped surface is 5-10cm, a protective layer is arranged on the arc-shaped surface, the protective layer is made of flexible materials, preferably rubber or soft plastics, and the edge of the arc-shaped surface is provided with a chamfer or a fillet.

The upper surface of the inner supporting block 4 is used for contacting with the abdominal arm, a protective layer is arranged on the upper surface of the inner supporting block, the protective layer is made of flexible materials, preferably rubber or soft plastics, the cross section of the inner supporting block is circular or rectangular with round corners, the use safety is improved, the thickness of the inner supporting block 4 is 8mm-15mm, and the diameter (width) is 1.2cm.

The outer supporting block comprises a lower shell 3 and an upper shell 2 fixed on the lower shell 3, wherein the lower shell 3 comprises a circular supporting plate 31, the supporting plate 31 is 2mm-5mm thick, a cylinder 32 is arranged on the upper surface of the supporting plate 31, the cylinder 32 is vertically arranged, the axis of the cylinder is coaxial with the axis of the supporting plate 31, the diameter of the cylinder 32 is 4cm-9cm, a mounting cavity 320 is formed in the cylinder 32, the cross section of the mounting cavity 320 is circular, the upper end of the mounting cavity is open and used for mounting a first magnet 8, the first magnet 8 is cylindrical and is mounted in the mounting cavity, preferably, the diameters of the two are the same, so that the first magnet 8 is just sleeved in the mounting hole, meanwhile, a supporting pad 9 is also arranged in the mounting cavity 320, the supporting pad 9 is circular and 1mm-2mm thick and used for adjusting the height of the first magnet 8, so as to realize adjustment of the magnetic (suction) force of the inner supporting block, which can meet different patients, for example, when fat is more, the first magnet 8 moves to the upper end of the first magnet 8, so as to reduce the magnetic force between the inner supporting block and the inner supporting block, and the inner supporting block is enlarged; when the abdominal wall of a patient is thin, in order to avoid the generation of overlarge magnetic attraction force to crush the abdominal wall, a plurality of supporting pads above the first magnet are properly moved to the lower end of the first magnet 8, the distance between the first magnet 8 and the inner supporting block is increased, and the magnetic force is further reduced, the height of the first magnet can be adjusted according to the requirement, the upper shell 2 is in threaded connection with the cylinder 32, the bottom of the upper shell 2 is in contact with the supporting pads in the mounting cavity, the first magnet is fixed, and the use stability and reliability are improved; in the embodiment, the upper shell is in a cylindrical shape with an open lower end, the outer wall of the cylinder is provided with external threads, the inner wall of the upper shell is provided with internal threads, and the upper shell is connected with the lower shell; the side wall of the supporting plate 31 and the side wall of the upper shell are provided with anti-slip lines, so that the supporting plate is convenient to disassemble, assemble and adjust.

In this embodiment, a first adjusting mechanism is disposed on the outer support block for adjusting (fine tuning) the height of the outer support block, specifically, the first adjusting mechanism includes a worm wheel 21 and a worm 23 rotatably mounted in the outer support block, the rotation axis of the worm wheel 21 is parallel to the horizontal plane, i.e. perpendicular to the axis of the outer support block, a first spool 22 is fixed at the end of the worm wheel 21, the first spool 22 is coaxial with the worm wheel, and may be one or two, and when two, the first hanging rope 1 is symmetrically fixed at both sides of the worm wheel, the first hanging rope 1 is wound on the first spool 22, the worm 23 is engaged with the worm wheel 21, the end of the worm 23 extends out of the outer support block, and an adjusting hand wheel 24 is fixed at the end of the worm.

In order to adjust the height of the clip 7 to adapt to different tissue suspensions, in this embodiment, a second adjusting mechanism 6 is disposed on the second hanging rope 5 for adjusting the length of the second hanging rope 5, so as to adjust the height of the clip 7, specifically, referring to fig. 6, the second adjusting mechanism 6 includes a housing 61 and a second winding shaft 62, the housing 61 is a horizontally disposed cylinder, a cylindrical shaft cavity with one open end is formed in the cylinder, a wire slot 610 penetrates through the side wall of the housing 61 from top to bottom, the second winding shaft 62 is sleeved in the housing 61, the second winding shaft 62 can realize radial rotation and axial movement, a wire hole 620 penetrates through the side wall of the winding shaft 62, the axis of the wire hole 620 is perpendicular to and intersects with the axis of the second winding shaft, the second hanging rope 5 sequentially penetrates through the wire slot 610, the wire hole 620 and another wire slot from top to bottom and then is connected with the clip 7, the two ends of the second winding shaft 62 are provided with annular bulges to form a supporting part, the supporting part comprises a left supporting part and a right supporting part 63 which are cylinders coaxial with the second winding shaft, the circumferential direction of the side wall of the supporting part is uniformly provided with strip-shaped limiting grooves, the length direction of each limiting groove is parallel to the axis of the second winding shaft 62, the side walls of the left supporting part and the right supporting part 63 are provided with limiting grooves, the limiting grooves are arranged near the left position of the supporting part, meanwhile, the inner wall of the shell 61 is provided with limiting bulges corresponding to the limiting grooves, the head (right end) of the second winding shaft 62 axially extends out of the shell 61 to form an operating part 64, the outer walls of the operating part and the shell are provided with anti-slip patterns, when in use, the operating part is pulled to move rightwards to drive the second winding shaft to slide outwards (rightwards), so that the limiting grooves are separated from the limiting bulges, at the moment, the winding length of the second hanging rope on the second winding shaft is adjusted through rotation, so that the length adjustment of the second hanging rope is realized, after the adjustment is completed, the operation part is pushed leftwards (inwards), so that the limiting groove is inserted into the limiting protrusion, and further the radial fixation is realized, and at the moment, the second winding shaft cannot rotate; in order to improve the use reliability and avoid the second winding shaft from automatically sliding, in the embodiment, the limiting groove is in interference fit with the limiting protrusion, and specifically, the positioning groove is made of rubber.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and embellishments can be made without departing from the technical principle of the present invention, and these improvements and embellishments should also be regarded as the protection scope of the present invention.

Claims

1. A laparoscopic tissue traction device, comprising: the magnetic force-adjustable abdominal cavity supporting device comprises an outer supporting block which is arranged outside an abdominal cavity and used for providing magnetic force, and an inner supporting block which is arranged in the abdominal cavity and can be sucked on the outer supporting block, wherein a first magnet is arranged in the outer supporting block, and a first hanging rope is arranged at the top of the outer supporting block; the inner supporting block is internally provided with a metal block or a second magnet which can be sucked in the first magnet, the lower end of the inner supporting block is provided with a second hanging rope, the end part of the second hanging rope is provided with a clip, and the lower surface of the outer supporting block and the upper surface of the inner supporting block are provided with protective layers made of flexible materials.

2. The laparoscopic tissue traction device of claim 1, wherein: the cross section of the outer supporting block and/or the inner supporting block is circular or rectangular with round corners.

3. The laparoscopic tissue traction device of claim 1, wherein: outer support piece includes the lower casing and fixes last casing on the casing down, the casing includes the circular shape backup pad down, the upper surface of backup pad is equipped with the cylinder, the axis of cylinder coaxial in the axis of backup pad, the internal shaping of cylinder has the open installation cavity in upper end, be equipped with first magnet in the installation cavity and be used for adjusting the supporting pad of the height of first magnet, go up casing threaded connection on the cylinder.

4. The laparoscopic tissue traction device of claim 1, wherein: the outer supporting block is provided with a first adjusting mechanism, the first adjusting mechanism comprises a worm wheel which is rotatably installed in the outer supporting block and a worm meshed with the worm wheel, the rotation axis of the worm wheel is parallel to the horizontal plane, a first winding shaft is coaxially fixed at the end part of the worm wheel, the first hanging rope is wound on the first winding shaft, and the end part of the worm extends out of the outer supporting block and is connected with an adjusting hand wheel.

5. The laparoscopic tissue traction device of claim 1, wherein: the second hanging rope is provided with a second adjusting mechanism, the second adjusting mechanism comprises a shell and a second winding shaft, the shell is a horizontally arranged cylinder, a wire groove penetrates through the side wall of the shell, the second winding shaft is sleeved in the shell and can realize radial rotation and axial movement, a wire hole penetrates through the side wall of the winding shaft, the second hanging rope sequentially penetrates through the wire groove and the wire hole from top to bottom and then is connected with the clamp, two ends of the second winding shaft are provided with annular bulges and form supporting parts, strip-shaped limiting grooves are uniformly distributed on the side wall of the supporting parts in the circumferential direction, the length direction of each limiting groove is parallel to the axis of the second winding shaft, and the inner wall of the shell is provided with limiting bulges corresponding to the limiting grooves; the head of the second spool extends outside the housing and forms an operating portion.

6. The laparoscopic tissue traction device of claim 5, wherein: the limiting groove is in interference fit with the limiting protrusion.

7. The laparoscopic tissue traction device of claim 1, wherein: the clip is a plastic ligation clip.

8. The laparoscopic tissue traction device of claim 1, wherein: the number of the second hanging ropes is two or more.

9. The laparoscopic tissue traction device of claim 3, wherein: the support pad is made of rubber.