CN117224211B - Minimally invasive interventional spine microsurgery device - Google Patents
Minimally invasive interventional spine microsurgery device Download PDFInfo
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- CN117224211B CN117224211B CN202311493295.6A CN202311493295A CN117224211B CN 117224211 B CN117224211 B CN 117224211B CN 202311493295 A CN202311493295 A CN 202311493295A CN 117224211 B CN117224211 B CN 117224211B
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- minimally invasive
- sliding
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- 238000002406 microsurgery Methods 0.000 title claims abstract description 8
- 230000000694 effects Effects 0.000 claims abstract description 10
- 238000001125 extrusion Methods 0.000 claims description 23
- 230000003014 reinforcing effect Effects 0.000 claims description 22
- 238000001356 surgical procedure Methods 0.000 abstract description 6
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 8
- 235000017491 Bambusa tulda Nutrition 0.000 description 8
- 241001330002 Bambuseae Species 0.000 description 8
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 8
- 239000011425 bamboo Substances 0.000 description 8
- 238000009434 installation Methods 0.000 description 5
- 238000010030 laminating Methods 0.000 description 3
- 230000013011 mating Effects 0.000 description 3
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 206010050296 Intervertebral disc protrusion Diseases 0.000 description 1
- 208000001132 Osteoporosis Diseases 0.000 description 1
- 206010039984 Senile osteoporosis Diseases 0.000 description 1
- 238000007792 addition Methods 0.000 description 1
- 210000003484 anatomy Anatomy 0.000 description 1
- 230000000740 bleeding effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000013013 elastic material Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 230000003902 lesion Effects 0.000 description 1
- 206010025005 lumbar spinal stenosis Diseases 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000002324 minimally invasive surgery Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000002980 postoperative effect Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 208000005198 spinal stenosis Diseases 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000008733 trauma Effects 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/30—Against vector-borne diseases, e.g. mosquito-borne, fly-borne, tick-borne or waterborne diseases whose impact is exacerbated by climate change
Abstract
The invention belongs to the technical field of surgical instruments, and particularly relates to a minimally invasive intervention spine microsurgery device, which aims at the problems that in the prior art, a plurality of expansion sleeves are required to be gradually inserted into a puncture hole from small to large in diameter for expansion, the operation steps of the surgery are troublesome in actual operation, and the operation steps are added; the conical cylinder is controlled to gradually move downwards to enter the expansion cylinder, the expansion cylinder is expanded through the conical cylinder, so that the effect of gradually expanding the puncture opening is achieved, the operation of gradually doping the expansion pipe is avoided, and the operation of expanding the puncture opening is reduced.
Description
Technical Field
The invention belongs to the technical field of surgical instruments, and particularly relates to a minimally invasive interventional spinal microsurgery device.
Background
In clinic, most of the minimally invasive spine surgery is applied to lumbar disc herniation, lumbar spinal stenosis, senile osteoporosis compression spine fracture and young spine fracture, the minimally invasive spine surgery adopts a micro incision or puncture channel, special instruments and devices are used, under the monitoring of an image instrument or the guidance of a navigation technology, the normal anatomy structure reaches a lesion, various miniature manual or electric instruments and devices are used, the whole surgery process is completed under the visual condition, the purposes of small incision, small tissue trauma, less bleeding, high operation accuracy, definite effect and quick postoperative function recovery are achieved compared with the traditional or standard spine surgery, the operation mode of large incision is avoided during the surgery, pain of a patient is reduced, the minimally invasive channel is required to be established at a puncture position during the spine minimally invasive surgery, at present, the minimally invasive channel is generally established by inserting a step-by-step expansion sleeve, the puncture opening is expanded to the diameter of a specified operation opening through the expansion sleeve, a plurality of expansion sleeves are required to be gradually inserted into the puncture opening according to the diameter, the successive expansion sleeve is troublesome to the diameter to be inserted into the puncture opening, and the actual operation is improved, and the operation is performed.
Disclosure of Invention
In view of the above, in order to overcome the defects in the prior art, the present invention provides a minimally invasive interventional spinal microsurgical device, which effectively solves the problems mentioned in the background art.
The technical scheme adopted by the invention for solving the problems is as follows:
the utility model provides a minimally invasive intervention vertebra microsurgery device, includes the mounting panel, the bottom fixedly connected with annular base of mounting panel, the rear end surface sliding connection of mounting panel has the lifter plate that can go up and down, the detachable scale plate is installed to the surface rear side of lifter plate, the rear side of scale plate is connected with the conical tube that can reciprocate, the downside coaxial heart of conical tube is provided with the expansion pipe, the fixed surface of expansion pipe is connected with the fixed plate, fixed plate and scale plate bottom sliding connection, the inboard of expansion pipe is provided with the inner tube, the upper and lower both ends of inner tube are fixedly connected with the upper and lower both ends of expansion pipe respectively, be provided with the expansion support that can be annular outside evenly expansion between expansion pipe and the inner tube; the even laminating in surface of expansion pipe has a plurality of arc backup pads, and the outside of arc backup pad is connected with the traction structure that can go up and down, and the bottom at the lifter plate is installed to the traction structure.
Further, the traction structure comprises a mounting ring, the upper end of the arc-shaped supporting plate is fixedly connected with a connecting block respectively, a first connecting chute is formed in the outer end surface of the connecting block, a second connecting chute is formed in the inner side of the mounting ring and corresponds to the first connecting chute, a first extending rod and a second extending rod which are arranged in a crossing manner are arranged between the first connecting chute and the second connecting chute, one end of the first extending rod is hinged with the connecting block, the other end of the first extending rod is hinged with a second matching sliding block, the second matching sliding block is in sliding connection with the second connecting chute, one end of the second extending rod is hinged with a first matching sliding block, the first matching sliding block is in sliding connection with the first connecting chute, the other end of the second extending rod is hinged with the inner end of the mounting ring, the middle part of the upper end of the second extending rod is fixedly connected with a central shaft, and the central shaft is in rotating connection with the surface of the first extending rod; the upper end of the mounting ring is rotationally connected with an inner gear, the inner side of the inner gear is in meshed connection with a meshing gear, the meshing gear is rotationally connected with the mounting ring, the lower side of the meshing gear is fixedly connected with a swinging rod in a coaxial center, the other end of the swinging rod is hinged with a driven rod, and the other end of the driven rod is hinged with a central shaft; the lifting rod is rotatably connected to the upper side of the surface of the mounting ring, a threaded hole is formed in the surface of the lifting plate corresponding to the lifting rod upwards, the lifting rod is located on the inner side of the threaded hole, a threaded portion which can be in threaded connection with the threaded hole is formed in the upper side of the surface of the lifting rod, and a control knob is fixedly connected to the upper end of the lifting rod.
Still further, the surface outside fixedly connected with flange of internal gear, the middle part threaded connection of flange has the reinforcing bolt, and the bottom rotation of reinforcing bolt is connected with the reinforcing plate, and the reinforcing plate laminating is in the upper end of collar, and reinforcing bolt's upper end fixedly connected with consolidates the knob.
Still further, expansion bracket is including the first articulated rod and the second articulated rod of multiunit alternately setting, and the first articulated rod of multiunit alternately setting and second articulated rod form an annular structure, and the middle part of the first articulated rod of alternately setting and second articulated rod articulates mutually, and the tip of adjacent first articulated rod and second articulated rod articulates mutually.
Still further, both ends are fixed connection spacing rack respectively about the fixed plate, and both ends are sliding connection has spacing tooth piece that can reciprocate respectively about the scale plate, and the lower extreme and the spacing rack of spacing tooth piece mesh mutually, and the upper end fixedly connected with spacing spring of spacing tooth piece, spacing spring's the other end and scale plate fixed connection.
Still further, the front end fixedly connected with connection slider of conical tube, the third connection spout has been seted up on the surface of scale plate, connection slider and third connection spout sliding connection, threaded connection has the lead screw on the connection slider, and the bottom and the third connection spout bottom of lead screw are rotated and are connected, and the upside of lead screw is rotated with the upper end of scale plate and is connected, the upper end fixedly connected with adjust knob of lead screw.
Furthermore, scales are respectively arranged on two sides of the edge of the third connecting sliding groove, and the front end of the connecting sliding block is fixedly connected with a pointer matched with the scales.
Furthermore, the front end fixedly connected with splice plate of scale plate, the bottom fixedly connected with two erection columns of splice plate, two mounting holes that are used for holding the erection column have been seted up downwards to the surface of lifter plate, and erection column sliding fit is in the mounting hole.
Furthermore, the two corresponding sides of the surface of the mounting column are respectively provided with a mounting groove inwards, a baffle is arranged in the mounting groove, the bottom of the baffle is provided with an upward inclined surface part, and the inclined surface part protrudes to the outer side of the mounting groove; the upper side and the lower side of the part of the baffle plate, which is positioned at the inner side of the mounting groove, are respectively and fixedly connected with an extrusion sliding block, the inner wall of the mounting groove corresponding to the extrusion sliding block is provided with an extrusion sliding groove, the extrusion sliding block is in sliding connection with the extrusion sliding groove, the inner end of the extrusion sliding block is fixedly connected with a reset spring, and the other end of the reset spring is fixedly connected with the inner wall of the extrusion sliding groove; the inner fixedly connected with round pin axle of dog is provided with a push pedal between two corresponding baffles, and push pedal surface both sides have been seted up respectively and have been promoted the chute, promote the bottom outside slope of chute, round pin axle and promote chute looks sliding fit, the upper end fixedly connected with of push pedal can reciprocate the interlock pole, the slide hole corresponding with the interlock pole has been seted up downwards to the upper end of splice plate, the upper end of interlock pole is through the slide hole protrusion in the upper end of splice plate, the upper end fixedly connected with interlock board of two interlock poles.
Further, the front end of the lifting plate is fixedly connected with a pushing sliding block, the surface of the mounting plate is provided with a pushing sliding groove, the pushing sliding block is in sliding connection with the pushing sliding groove, the bottom of the pushing sliding block is fixedly connected with a pushing spring, and the other end of the pushing spring is fixedly connected with the inner wall of the pushing sliding groove; the front end of the pushing slide block is connected with a ratchet block capable of moving left and right in a sliding manner, the left side of the ratchet block is connected with a ratchet bar in a meshed manner, the ratchet bar is fixedly connected with the mounting plate, the right end of the ratchet block is fixedly connected with a meshing spring, the other end of the meshing spring is fixedly connected with the pushing slide block, the pushing slide block moves downwards unidirectionally under the meshing effect of the ratchet block and the ratchet bar, and the front end of the ratchet block is fixedly connected with an auxiliary plate.
The invention has novel structure, ingenious conception and simple and convenient operation, and has at least the following technical effects compared with the prior art:
this device is when using in going on puncture location back through control lifter plate downwardly moving with the expansion cylinder along with the pjncture needle in going into the puncture hole, then take out the pjncture needle through the toper section of thick bamboo, move down gradually through control toper section of thick bamboo and enter into in the expansion cylinder, expand the expansion cylinder through the toper section of thick bamboo, and then expand the effect of puncture mouth gradually, avoided the operation of doping the expansion pipe gradually, reduced the operation that enlarges the puncture mouth, shift out the toper section of thick bamboo after the expansion cylinder expansion, expand and support the puncture mouth through the arc backup pad, then lift the expansion cylinder, just can form operating channel through the puncture mouth that the arc backup pad supported, make things convenient for the doctor to perform the operation to the patient.
Drawings
FIG. 1 is a first schematic view of the overall structure of a minimally invasive interventional spinal microsurgical device of the present invention;
FIG. 2 is a second schematic view of the overall structure of a minimally invasive interventional spinal microsurgical device of the present invention;
FIG. 3 is a schematic view of the inner barrel mounting structure of a minimally invasive interventional spinal microsurgical device of the present invention;
FIG. 4 is a schematic view of an expanded stent of a minimally invasive interventional spinal microsurgical device of the present invention;
FIG. 5 is a schematic view of a conical barrel of a minimally invasive interventional spinal microsurgical device of the present invention;
FIG. 6 is a schematic view of a pointer mounting structure of a minimally invasive interventional spinal microsurgical device of the present invention;
FIG. 7 is a schematic diagram of a meshing structure of a limiting tooth block and a limiting rack of a minimally invasive interventional spinal microsurgery device;
FIG. 8 is a schematic view of a mounting post mounting structure of a minimally invasive interventional spinal microsurgical device of the present invention;
FIG. 9 is a schematic view of a block mounting structure of a minimally invasive interventional spinal microsurgical device of the present invention;
FIG. 10 is a schematic view of the pusher plate mounting structure of a minimally invasive interventional spinal microsurgical device of the present invention;
FIG. 11 is a schematic view of the engagement structure of the ratchet bar and ratchet block of a minimally invasive interventional spinal microsurgical device of the present invention;
FIG. 12 is a first schematic view of a traction structure of a minimally invasive interventional spinal microsurgical device of the present invention;
FIG. 13 is a schematic view of the mating structure of the arc-shaped support plates of a minimally invasive interventional spinal microsurgical device of the present invention;
FIG. 14 is a second schematic view of a traction structure of a minimally invasive interventional spinal microsurgical device of the present invention;
fig. 15 is a schematic view of an internal gear fixation structure of a minimally invasive interventional spinal microsurgical device of the present invention.
In the figure: 1-ring base, 2-mounting plate, 3-lifter plate, 4-splice plate, 5-graduation plate, 6-conical tube, 7-fixed plate, 8-expansion tube, 9-arc support plate, 10-mounting ring, 11-inner tube, 12-first hinge rod, 13-second hinge rod, 14-lead screw, 15-adjusting knob, 16-pointer, 17-graduation, 18-connecting slide, 19-spacing rack, 20-spacing tooth block, 21-spacing spring, 22-mounting hole, 23-mounting post, 24-baffle plate, 25-linkage plate, 26-linkage rod, 27-reset spring, 28-push plate, 29-pin, 30-push chute, 31-ratchet bar, 32-ratchet block, 33-engagement spring, 34-auxiliary plate, 35-push spring, 36-connecting block, 37-lifter rod, 38-control knob, 39-screw section, 40-internal gear, 41-first mating slide, 43-first extension rod, 44-second extension rod, 45-second mating slide, 46-center shaft, 47-driven gear, 48, driven gear, 52-connection slide, 53-connection slide, 58-auxiliary slide, 52-groove, 55-connection slide groove, 52-connection slide groove, 58-connection slide groove, 55-coupling slide groove, 52-connection slide groove, 55-coupling plate, 52-connection slide groove, and auxiliary slide groove.
Detailed Description
The following are specific embodiments of the present invention, and the technical solutions of the present invention are further described with reference to the accompanying drawings, but the present invention is not limited to these embodiments.
As shown in fig. 1-15, the invention provides a minimally invasive interventional spine microsurgery device, which comprises a mounting plate 2, wherein a bottom fixing plate 7 of the mounting plate 2 is connected with an annular base 1, the rear end surface of the mounting plate 2 is slidably connected with a lifting plate 3 capable of lifting, a detachable scale plate 5 is arranged on the rear side of the surface of the lifting plate 3, a conical tube 6 capable of moving up and down is connected on the rear side of the scale plate 5, an expansion tube 8 is arranged on the lower side of the conical tube 6 coaxially, a fixing plate 7 is fixedly connected on the surface of the expansion tube 8, the fixing plate 7 is slidably connected with the bottom of the scale plate 5, an inner cylinder 11 is arranged on the inner side of the expansion tube 8, the upper end and the lower end of the inner cylinder 11 are fixedly connected with the upper end and the lower end of the expansion tube 8, and an expansion bracket capable of uniformly expanding in an annular shape outwards is arranged between the expansion tube 8 and the inner cylinder 11; the even laminating in surface of expansion pipe 8 has a plurality of arc backup pads 9, and the outside of arc backup pad 9 is connected with the traction structure that can go up and down, and the traction structure is installed in the bottom of lifter plate 3.
When the device is used, after puncture positioning is performed, the lifting plate 3 is controlled to move downwards to enable the expansion cylinder to extend into the puncture hole along with the puncture needle, then the puncture needle is taken out through the conical cylinder, the conical cylinder is controlled to gradually move downwards to enter the expansion cylinder, the expansion cylinder is expanded through the conical cylinder, the effect of gradually expanding the puncture opening is further achieved, the operation of gradually doping the expansion pipe is avoided, the operation of expanding the puncture opening is reduced, and a doctor can conveniently perform operations on a patient; the expansion cylinder and the inner cylinder 11 can be made of elastic materials and are used for conveniently expanding the puncture, the upper end and the lower end of the expansion cylinder and the upper end and the lower end of the inner cylinder 11 are in a sealed state, the expansion cylinder and the inner cylinder 11 are conveniently disinfected, the fixed plate 7 can slide at the bottom of the scale plate 5 when the expansion cylinder is expanded, the expansion cylinder is conveniently expanded, the expansion bracket can synchronously expand outwards after the conical cylinder enters the expansion cylinder, the expansion cylinder and the inner cylinder 11 can be uniformly expanded outwards when the expansion bracket expands outwards, and the expansion effect of the puncture is improved; can drive the traction structure and the arc backup pad 9 to move downwards after the puncture is expanded to appointed diameter, along with arc backup pad 9 inserts in the puncture, pull arc backup pad 9 through traction structure, then shift out the inflation barrel, the operation passageway just establishes the completion, makes things convenient for the doctor to carry out operation through the operation passageway.
In order to facilitate traction of the arc-shaped supporting plate 9, the traction structure comprises a mounting ring 10, the upper end of the arc-shaped supporting plate 9 is fixedly connected with a connecting block 36 respectively, the outer end surface of the connecting block 36 is provided with a first connecting chute 54 respectively, the inner side of the mounting ring 10 is provided with a second connecting chute 55 at a position corresponding to the first connecting chute 54, a first extension rod 43 and a second extension rod 44 which are arranged in a crossed manner are arranged between the first connecting chute 54 and the second connecting chute 55, one end of the first extension rod 43 is hinged with the connecting block 36, the other end of the first extension rod 43 is hinged with a second matching sliding block 45, the second matching sliding block 45 is in sliding connection with the second connecting chute 55, one end of the second extension rod 44 is hinged with a first matching sliding block 41, the first matching sliding block 41 is in sliding connection with the first connecting chute 54, the other end of the second extension rod 44 is hinged with the inner end of the mounting ring 10, the middle part of the upper end of the second extension rod 44 is fixedly connected with a central shaft 46, and the central shaft 46 is in rotating connection with the surface of the first extension rod 43; an inner gear 40 is rotatably connected to the upper end of the mounting ring 10, meshing gears 49 are meshed with the inner sides of the inner gear 40 respectively, the meshing gears 49 are rotatably connected with the mounting ring 10, a swinging rod 48 is fixedly connected to the lower side of the meshing gears 49 in a coaxial center, a driven rod 47 is hinged to the other end of the swinging rod 48, and the other end of the driven rod 47 is hinged to a central shaft 46; the four arc-shaped support plates 9 can form an annular structure, the arc-shaped support plates 9 can be driven to move outwards under the opening and closing of the first extension rods 43 and the second extension rods 44, when the expansion cylinder expands, the four arc-shaped support plates 9 can be driven to move outwards simultaneously, the first extension rods 43 and the second extension rods 44 which are hinged in a crossed mode are pushed to open outwards, the swinging rods 48 are pushed to swing towards one side under the linkage of the driven rods 47, then the internal gear 40 is driven to rotate under the meshing of the meshing gear 49 and the internal gear 40, after the expansion cylinder is pulled out, the meshing gear 49 can be driven to rotate through the rotating internal gear 40, the swinging rods 48 are driven to swing towards one side continuously, then the first extension rods 43 and the second extension rods 44 are driven to open outwards continuously under the driving of the driven rods 47, the puncture holes are driven to expand outwards continuously, and the puncture holes are made to expand further, and the operation of a user is facilitated; for convenient control traction structure and arc backup pad 9 move down and improve the stability when arc backup pad 9 installs when using, the surface upside rotation of collar 10 is connected with lifter 37, the screw hole has been seted up upwards to lifter 3 surface corresponding with lifter 37, lifter 37 is located the screw hole inboard, the screw thread portion 39 that can with screw hole threaded connection has been seted up to lifter 37's surface upside, lifter 37's upper end fixedly connected with control knob 38, it can drive arc backup pad 9 and enter into the puncture through moving control knob 38 and moving traction structure down, then through rotating control knob 38 and screw hole threaded connection, alright fix traction structure, the person of facilitating the use uses.
In order to facilitate improvement of the fixity of the arc-shaped supporting plate 9 supporting the puncture, a doctor can conveniently operate through an operation channel, a convex plate 50 is fixedly connected to the outer side of the surface of the inner gear 40, a reinforcing bolt 51 is connected to the middle of the convex plate 50 in a threaded mode, a reinforcing plate 53 is connected to the bottom of the reinforcing bolt 51 in a rotating mode, the reinforcing plate 53 is attached to the upper end of the mounting ring 10, a reinforcing knob 52 is fixedly connected to the upper end of the reinforcing bolt 51, the reinforcing bolt 51 can be driven to rotate through rotation of the reinforcing knob 52 in operation, the reinforcing plate 53 can be driven to move downwards under the action of the threaded connection through the reinforcing bolt 51 and the convex plate 50, the effect of fixing the inner gear 40 can be achieved through the extrusion action of the mounting ring 10 in a large mode, and then the arc-shaped supporting plate 9 is fixed.
The expansion bracket comprises a plurality of groups of first hinging rods 12 and second hinging rods 13 which are arranged in a crossed mode, the first hinging rods 12 and the second hinging rods 13 which are arranged in the crossed mode form an annular structure, the middle parts of the first hinging rods 12 and the second hinging rods 13 which are arranged in the crossed mode are hinged, the end parts of the adjacent first hinging rods 12 and the end parts of the second hinging rods 13 are hinged, when the inner side of the expansion bracket is extruded by a conical barrel, the plurality of groups of first hinging rods 12 and the second hinging rods 13 can expand outwards simultaneously, and the expansion barrel and the inner barrel 11 are expanded.
In order to improve the stability when the expansion cylinder is used, the left end and the right end of the fixed plate 7 are respectively fixedly connected with a limiting rack 19, the left end and the right end of the scale plate 5 are respectively and slidably connected with a limiting tooth block 20 capable of moving up and down, the lower end of the limiting tooth block 20 is respectively meshed with the limiting rack 19, the upper end of the limiting tooth block 20 is respectively and fixedly connected with a limiting spring 21, the other end of the limiting spring 21 is respectively fixedly connected with the scale plate 5, the expansion cylinder is not subjected to external force and can not move at will when the limiting tooth block 20 is meshed with the limiting rack 19 under the pushing of the limiting spring 21, the fixed plate 7 can move outwards under the pushing of the expansion cylinder when the expansion cylinder expands, the limiting rack 19 can also move along with the movement of the fixed plate 7 and extrude the limiting tooth block 20 to the upper side, and the limiting tooth block 20 can be continuously meshed with the limiting rack 19 under the pushing of the limiting spring 21, so that the fixed plate 7 is conveniently limited.
For the convenience control toper section of thick bamboo moves downwards and expands the expansion cylinder, the front end fixedly connected with connection slider 18 of toper section of thick bamboo, the third connection spout has been seted up on the surface of scale board 5, connection slider 18 and third connection spout sliding connection, connection slider 18 threaded connection has lead screw 14, the bottom and the third connection spout bottom of lead screw 14 rotate to be connected, the upside of lead screw 14 rotates with the upper end of scale board 5 to be connected, the upper end fixedly connected with adjust knob 15 of lead screw 14, can drive the lead screw 14 through rotating adjust knob 15 and rotate, can drive toper section of thick bamboo downwardly moving through the effect of lead screw 14 and connection slider 18 threaded connection when lead screw 14 rotates, the toper section of thick bamboo is the conical structure that the lower extreme opening is little, the upper end opening is big, conveniently enter into the expansion cylinder and expand.
In order to facilitate the user to know the diameter of the expansion of the puncture opening, the two sides of the edge of the third connecting chute are respectively provided with a scale 17, the front end of the connecting sliding block 18 is fixedly connected with a pointer 16 matched with the scale 17, the scale 17 can be arranged according to the diameter of the expansion of the inner cylinder 11 when the conical cylinder moves downwards, and when the conical cylinder moves downwards, the diameter of the expansion of the puncture opening can be known through the scale 17 corresponding to the pointer 16, so that the user can use the puncture opening conveniently.
For convenient splice plate 4 and lifter plate 3 are connected, the front end fixedly connected with splice plate 4 of graduation board 5, two erection columns 23 of bottom fixedly connected with of splice plate 4, lifter plate 3 surface down has seted up two mounting holes 22 that are used for holding erection columns 23, and erection column 23 sliding fit is in mounting hole 22, can be with splice plate 4 stable installation on lifter plate 3 through the sliding fit of two erection columns 23 and two mounting holes 22 to conveniently dismantle splice plate 4.
In order to improve the firmness of installing the splice plate 4 on the lifting plate 3, the two opposite sides of the surface of the installation column 23 are respectively provided with an installation groove 57 inwards, the inside of the installation groove 57 is respectively provided with a baffle plate 24, the bottom of the baffle plate 24 is respectively provided with an upward inclined surface part, and the inclined surface part protrudes to the outside of the installation groove 57; the upper side and the lower side of the part of the baffle 24 positioned at the inner side of the mounting groove 57 are respectively and fixedly connected with an extrusion sliding block 58, the inner wall of the mounting groove 57 corresponding to the extrusion sliding block 58 is provided with an extrusion sliding groove, the extrusion sliding block 58 is in sliding connection with the extrusion sliding groove, the inner end of the extrusion sliding block 58 is respectively and fixedly connected with a reset spring 27, and the other end of the reset spring 27 is respectively and fixedly connected with the inner wall of the extrusion sliding groove; the inner ends of the baffle blocks are respectively fixedly connected with pin shafts 29, a push plate 28 is arranged between two corresponding baffle plates 24, push chute 30 is respectively arranged on two sides of the surface of the push plate 28, the bottoms of the push chute 30 are respectively inclined outwards, the pin shafts 29 are in sliding fit with the push chute 30, the upper ends of the push plates 28 are fixedly connected with interlocking rods 26 which can move up and down, the upper ends of the splice plates 4 are downwards provided with sliding holes corresponding to the interlocking rods 26, the upper ends of the interlocking rods 26 are protruded out of the upper ends of the splice plates 4 through the sliding holes, the upper ends of the two interlocking rods 26 are fixedly connected with an interlocking plate 25, under the action of the inclined surface parts of the baffle plates 24, the baffle plates 24 are extruded to move inwards and extrude a reset spring 27 through extrusion sliding blocks 58 when the mounting posts 23 are inserted into the mounting holes 22, when the baffle plate 28 moves downwards, the baffle plate 30 can be driven to synchronously move inwards to the mounting groove 57 under the sliding fit of the pushing chute 30 and the pin shaft 29, the baffle mounting column 23 without the baffle plate can move out of the mounting hole 22, the baffle plate can be reset under the pushing of the return spring 27 after the linkage plate 25 is pressed, and the operation is simple and convenient.
In order to conveniently control the lifting plate 3 to lift, the front end of the lifting plate 3 is fixedly connected with a pushing slide block 56, the surface of the mounting plate 2 is provided with a pushing slide groove, the pushing slide block 56 is in sliding connection with the pushing slide groove, the bottom of the pushing slide block 56 is fixedly connected with a pushing spring 35, and the other end of the pushing spring 35 is fixedly connected with the inner wall of the pushing slide groove; the front end of the pushing slide block 56 is slidably connected with a ratchet bar 32 which can move left and right, the left side of the ratchet bar 32 is meshed with a ratchet bar 31, the ratchet bar 31 is fixedly connected with the mounting plate 2, the right end of the ratchet bar 32 is fixedly connected with a meshing spring 33, the other end of the meshing spring 33 is fixedly connected with the pushing slide block 56, the pushing slide block 56 moves downwards unidirectionally under the meshing action of the ratchet bar 32 and the ratchet bar 31, the lifting plate 3 can move downwards directly when the expansion cylinder enters the puncture opening when the lifting plate 3 is controlled to move downwards, the lifting plate 3 can move downwards under the meshing of the ratchet bar 32 and the ratchet bar 31 and extrude the pushing spring 35 through the pushing slide block 56, but moves upwards under the pushing of the pushing spring 35, the front end of the ratchet bar 32 is fixedly connected with an auxiliary plate 34, the auxiliary plate 34 is used for assisting a user to control the ratchet bar 32 to move outwards, and the lifting plate 3 can move upwards under the pushing of the pushing auxiliary plate 34 to drive the ratchet bar 32 to extrude the meshing spring 33 and then separate from the ratchet bar 31, so that the lifting plate 3 can move upwards and reset under the pushing of the pushing spring 35, and the user can use conveniently.
When the device is used, the annular base 1 can be placed on the skin surface of a patient and is coaxial with a puncture needle, then the expansion cylinder is inserted into a puncture opening along with the puncture needle by controlling the lifting plate 3 to move downwards, the expansion cylinder is expanded by controlling the conical cylinder to move downwards, the puncture opening can be gradually expanded, the diameter of the expansion of the puncture opening can be obtained through the scales 17 corresponding to the pointers 16, then the traction structure is controlled to move downwards to drive the arc-shaped support plates 9 to move outwards to further expand the puncture opening, then the expansion cylinder is taken down upwards, the arc-shaped support plates 9 are fixed by rotating the reinforcing knob 52, a stable operation channel with a stable structure can be formed, the operation is convenient for doctors, a plurality of auxiliary protrusions 60 are fixedly connected to the upper end of the surface of the internal gear 40 respectively, and are used for facilitating the doctors to rotate the internal gear 40 to drive the arc-shaped support plates 9 to expand the puncture opening, and the use is convenient.
The specific embodiments described herein are offered by way of example only to illustrate the spirit of the invention. Those skilled in the art may make various modifications or additions to the described embodiments or substitutions, without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.
Claims (9)
1. The utility model provides a minimally invasive intervention vertebra microsurgery device, includes mounting panel (2), its characterized in that: the bottom of the mounting plate (2) is fixedly connected with an annular base (1), the rear end surface of the mounting plate (2) is slidably connected with a lifting plate (3) capable of lifting, a detachable scale plate (5) is arranged on the rear side of the surface of the lifting plate (3), a conical tube (6) capable of moving up and down is connected on the rear side of the scale plate (5), and an expansion tube (8) is coaxially arranged on the lower side of the conical tube (6);
the surface of the expansion pipe (8) is fixedly connected with a fixed plate (7), the fixed plate (7) is in sliding connection with the bottom of the scale plate (5), an inner cylinder (11) is arranged on the inner side of the expansion pipe (8), the upper end and the lower end of the inner cylinder (11) are respectively and fixedly connected with the upper end and the lower end of the expansion pipe (8), and an expansion bracket which can be uniformly expanded outwards in an annular shape is arranged between the expansion pipe (8) and the inner cylinder (11);
the surface of the expansion pipe (8) is uniformly attached with a plurality of arc-shaped supporting plates (9), the outer sides of the arc-shaped supporting plates (9) are connected with a traction structure capable of lifting, and the traction structure is arranged at the bottom of the lifting plate (3);
the traction structure comprises a mounting ring (10), wherein connecting blocks (36) are fixedly connected to the upper ends of arc-shaped supporting plates (9) respectively, first connecting sliding grooves (54) are formed in the outer end surfaces of the connecting blocks (36), second connecting sliding grooves (55) are formed in positions, corresponding to the first connecting sliding grooves (54), of the inner sides of the mounting ring (10), first extension rods (43) and second extension rods (44) which are arranged in a crossing manner are arranged between the first connecting sliding grooves (54) and the second connecting sliding grooves (55), one ends of the first extension rods (43) are hinged with the connecting blocks (36), second matching sliding blocks (45) are hinged to the other ends of the first extension rods (43), first matching sliding blocks (41) are hinged to one ends of the second extension rods (44), first matching sliding blocks (41) are connected with the first connecting sliding grooves (54), the other ends of the second extension rods (44) are hinged to the inner ends of the mounting ring (10), central shafts (46) are fixedly connected with the upper ends of the middle parts of the second extension rods (44), and the central shafts (46) are connected with the first extension rods (46) in a sliding mode; the upper end of the mounting ring (10) is rotationally connected with an inner gear (40), the inner side of the inner gear (40) is in meshed connection with a meshing gear (49), the meshing gear (49) is rotationally connected with the mounting ring (10), the lower side of the meshing gear (49) is fixedly connected with a swinging rod (48) in a coaxial center, the other end of the swinging rod (48) is hinged with a driven rod (47), and the other end of the driven rod (47) is hinged with a central shaft (46); the lifting rod (37) is rotationally connected to the upper side of the surface of the mounting ring (10), a threaded hole is formed in the surface of the lifting plate (3) corresponding to the lifting rod (37) upwards, the lifting rod (37) is located on the inner side of the threaded hole, a threaded portion (39) capable of being in threaded connection with the threaded hole is formed in the upper side of the surface of the lifting rod (37), and a control knob (38) is fixedly connected to the upper end of the lifting rod (37).
2. A minimally invasive interventional spinal microsurgical device in accordance with claim 1, wherein: the inner gear (40) is characterized in that a convex plate (50) is fixedly connected to the outer side of the surface of the inner gear (40), a reinforcing bolt (51) is connected to the middle of the convex plate (50) in a threaded mode, a reinforcing plate (53) is connected to the bottom of the reinforcing bolt (51) in a rotating mode, the reinforcing plate (53) is attached to the upper end of the mounting ring (10), and a reinforcing knob (52) is fixedly connected to the upper end of the reinforcing bolt (51).
3. A minimally invasive interventional spinal microsurgical device in accordance with claim 1, wherein: the expansion bracket comprises a plurality of groups of first hinging rods (12) and second hinging rods (13) which are arranged in a crossed mode, the first hinging rods (12) and the second hinging rods (13) which are arranged in the crossed mode form an annular structure, the middle parts of the first hinging rods (12) and the second hinging rods (13) which are arranged in the crossed mode are hinged, and the end parts of the adjacent first hinging rods (12) and the end parts of the second hinging rods (13) are hinged.
4. A minimally invasive interventional spinal microsurgical device in accordance with claim 1, wherein: the left end and the right end of the fixed plate (7) are respectively fixedly connected with a limiting rack (19), the left end and the right end of the scale plate (5) are respectively and slidably connected with a limiting tooth block (20) capable of moving up and down, the lower end of the limiting tooth block (20) is meshed with the limiting rack (19), the upper end of the limiting tooth block (20) is fixedly connected with a limiting spring (21), and the other end of the limiting spring (21) is fixedly connected with the scale plate (5).
5. A minimally invasive interventional spinal microsurgical device in accordance with claim 1, wherein: the front end fixedly connected with of conical tube connects slider (18), and the third is connected the spout has been seted up on the surface of scale board (5), connects slider (18) and third and is connected spout sliding connection, and threaded connection has lead screw (14) on connecting slider (18), and the bottom and the third of lead screw (14) are connected with the spout bottom rotation, and the upside of lead screw (14) is connected with the upper end rotation of scale board (5), and the upper end fixedly connected with adjust knob (15) of lead screw (14).
6. A minimally invasive interventional spinal microsurgical device in accordance with claim 5, wherein: scales (17) are respectively arranged on two sides of the edge of the third connecting sliding groove, and the front end of the connecting sliding block (18) is fixedly connected with a pointer (16) matched with the scales (17).
7. A minimally invasive interventional spinal microsurgical device in accordance with claim 1, wherein: the front end fixedly connected with splice plate (4) of scale plate (5), two erection columns (23) of bottom fixedly connected with of splice plate (4), two mounting holes (22) that are used for holding erection columns (23) are offered downwards on the surface of lifter plate (3), erection columns (23) sliding fit in mounting holes (22).
8. A minimally invasive interventional spinal microsurgical device in accordance with claim 7, wherein: mounting grooves (57) are respectively formed in two sides corresponding to the surfaces of the mounting columns (23) inwards, a baffle plate (24) is mounted in the mounting grooves (57), an upward inclined surface part is formed in the bottom of the baffle plate (24), and the inclined surface part protrudes to the outer side of the mounting grooves (57); the upper side and the lower side of the part of the baffle plate (24) positioned at the inner side of the mounting groove (57) are fixedly connected with extrusion sliding blocks (58) respectively, the inner wall of the mounting groove (57) corresponding to the extrusion sliding blocks (58) is provided with extrusion sliding grooves, the extrusion sliding blocks (58) are in sliding connection with the extrusion sliding grooves, the inner ends of the extrusion sliding blocks (58) are fixedly connected with reset springs (27), and the other ends of the reset springs (27) are fixedly connected with the inner walls of the extrusion sliding grooves; the inner fixedly connected with round pin axle (29) of dog is provided with a push pedal (28) between two corresponding baffle (24), push pedal (28) surface both sides have been seted up respectively and have been promoted chute (30), the bottom of promotion chute (30) inclines outwards, round pin axle (29) and promotion chute (30) match with sliding fit, the upper end fixedly connected with of push pedal (28) can reciprocate interlock pole (26), the slide hole corresponding with interlock pole (26) has been seted up downwards to the upper end of splice plate (4), the upper end of interlock pole (26) is through the upper end of slide hole protrusion in splice plate (4), the upper end fixedly connected with interlock board (25) of two interlock poles (26).
9. A minimally invasive interventional spinal microsurgical device in accordance with claim 1, wherein: the front end of the lifting plate (3) is fixedly connected with a pushing slide block (56), the surface of the mounting plate (2) is provided with a pushing slide groove, the pushing slide block (56) is in sliding connection with the pushing slide groove, the bottom of the pushing slide block (56) is fixedly connected with a pushing spring (35), and the other end of the pushing spring (35) is fixedly connected with the inner wall of the pushing slide groove; the front end sliding connection who promotes slider (56) has ratchet piece (32) that can left and right movement, the left side meshing of ratchet piece (32) is connected with ratchet bar (31), ratchet bar (31) and mounting panel (2) fixed connection, the right-hand member fixedly connected with meshing spring (33) of ratchet piece (32), the other end and the promotion slider (56) of meshing spring (33) are fixed connection, promote slider (56) unidirectional downward movement under the meshing effect of ratchet piece (32) and ratchet bar (31), the front end fixedly connected with accessory plate (34) of ratchet piece (32).
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| CN115137455A (en) * | 2022-07-26 | 2022-10-04 | 关海英 | Auxiliary positioning device and positioning method for minimally invasive spinal surgery |
| CN217696650U (en) * | 2022-03-14 | 2022-11-01 | 程涛 | Neurosurgery backbone spinal cord operation is with novel wicresoft's passageway |
| CN116687478A (en) * | 2023-08-07 | 2023-09-05 | 江西省人民医院 | Opening device for abdominal cavity minimally invasive surgery |
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| US7946982B2 (en) * | 2002-10-25 | 2011-05-24 | K2M, Inc. | Minimal incision maximal access MIS spine instrumentation and method |
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| KR20120075711A (en) * | 2010-12-29 | 2012-07-09 | 최길운 | Minimally operation system for spinal surgical operation |
| CN217696650U (en) * | 2022-03-14 | 2022-11-01 | 程涛 | Neurosurgery backbone spinal cord operation is with novel wicresoft's passageway |
| CN114748115A (en) * | 2022-04-08 | 2022-07-15 | 温州医科大学附属第二医院（温州医科大学附属育英儿童医院） | Spine joint spreader for minimally invasive surgery |
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