CN219089427U

CN219089427U - Vertebral plate retractor

Info

Publication number: CN219089427U
Application number: CN202223096022.1U
Authority: CN
Inventors: 王艳侠; 苏婷; 马锐; 阿不都艾孜孜·麦麦提; 刘涛; 李强; 滕勇; 安伟; 徐斌
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-11-18
Filing date: 2022-11-18
Publication date: 2023-05-30
Anticipated expiration: 2032-11-18

Abstract

The utility model relates to the technical field of vertebral plate drag hook tools, in particular to a vertebral plate drag hook which comprises a sliding block and a telescopic column, wherein the sliding block is clamped on the outer surface of a circular ring and is inserted into the upper end of a fixed column, the outer surface of the telescopic column is clamped with a movable moving block, one side of the moving block is clamped with a rotatable rotating plate, the middle part of the upper end of the sliding block is fixedly connected with a supportable support column, the outer surface of the support column is sleeved with a lifting plate capable of lifting, the inner wall of the lifting plate is clamped with a telescopic pulling plate, and the inner wall of the telescopic pulling plate is clamped with a telescopic pulling column. This vertebral plate drag hook, through the setting of ring, slider and lifter plate, medical personnel can slide the slider and make the slider remove at the surface of ring, consequently be favorable to medical personnel to change the tensile position when operating to the patient, and the main knife does not need homonymy assistant to assist in the operation process, and main knife movable range increases, and operation flexibility improves.

Description

Vertebral plate retractor

Technical Field

The utility model relates to the technical field of vertebral plate drag hook tools, in particular to a vertebral plate drag hook.

Background

Because lumbar vertebra fracture or lumbar vertebra nerve compression and other factors lead to lumbago and leg pain, the patient is invalid through conservative treatment or is aggravated progressively, the open operation of lumbar vertebra through the way is one of the comparatively common operation schemes, usually need the operation decompression treatment, in order to relieve nerve compression, wherein the decompression in-process needs to expose the corresponding scope region of vertebral lamina, because the particularity of backbone dissection often needs assistant to stand on the same side with the main knife, assist the main knife to expose the operation and cut, make the operation field fully show, the exposure in-process is clinically most often used and is the vertebral lamina drag hook, form leverage through vertebral lamina drag hook terminal and transverse process or upper articular process, need help the hand to push down, pull the terminal handle of vertebral lamina drag hook, because operation itself scope space is less, use the vertebral lamina drag hook to occupy a part of operation space, obviously influence main knife operation, increase operation position infection risk, secondly, when using traditional vertebral lamina drag hook to show the wound, operation position soft tissue still can block, expose the unclear, easily lead to nerve vascular injury risk to rising, even die, consequently, need a convenient to use's plate drag hook.

Chinese patent publication No. CN211723281U discloses a vertebral plate drag hook, comprising a vertebral plate drag hook body, the vertebral plate drag hook body comprises an integrally formed vertical arm and a cross arm, the end of the vertical arm is integrally formed with a latch portion, the end of the cross arm is integrally formed with a fixed ring, and a tripod is movably sleeved on the fixed ring; the vertebral plate retractor provided by the utility model has reasonable structural design and provides convenience for operation of lumbar vertebra operation.

However, when the laminboard retractor is actually used, the following problems exist:

1. the operation range space is smaller, and the use of the vertebral plate drag hook assistant needs to occupy a part of the operation space of the main knife, so that the operation of the main knife is obviously affected, and the infection risk of the operation part is increased;

2. secondly, for obese patients, when the wound is exposed by using the traditional vertebral plate retractor, soft tissues at the operation part can be blocked and exposed, so that the risk of neurovascular injury is increased and even death is caused easily.

Disclosure of Invention

(one) solving the technical problems

In order to overcome the defects in the prior art, the utility model provides the vertebral plate retractor, which solves the problems that the scope space of the operation is smaller, the operation space of a main cutter needs to be occupied by using a vertebral plate retractor assistant, the operation of the main cutter is obviously influenced, the infection risk of an operation part is increased, and in addition, in obese patients, when a wound is exposed by using the traditional vertebral plate retractor, soft tissues of the operation part are blocked and exposed, the risk of nerve vascular injury is increased and even death is caused easily.

(II) technical scheme

In order to achieve the above purpose, the utility model is realized by the following technical scheme: the utility model provides a vertebral plate drag hook, includes the joint at the gliding slider of ring surface and peg graft the flexible post in the fixed column upper end, the surface joint of flexible post has mobilizable movable block, one side joint of movable block has mobilizable revolving board, the middle part fixedly connected with of slider upper end can support the pillar, the surface of pillar has cup jointed the lifter plate of liftable, the inner wall joint of lifter plate has telescopic flexible arm-tie, the inner wall joint of flexible arm-tie has telescopic arm-tie.

Optionally, one side threaded connection of slider has detachable bolt of screwing, screw the bolt runs through the one end screw thread of slider wears to establish the inside of ring.

Optionally, the surface threaded connection of lifter plate has the fastening nut that can spacing, the fastening nut chucking is in the surface of pillar.

Optionally, one side fixed connection of swivel plate is in one side of ring, but the bottom fixed connection of fixed column has spacing sucking disc.

Optionally, but the inner wall of flexible post is provided with spacing spring, spacing spring is kept away from the one end fixedly connected with of flexible post but spacing card button, card Niu Kajie is in the inside of fixed column.

Optionally, the middle part threaded connection of movable block upper end has detachable clamping bolt, the clamping bolt runs through the one end screw thread of movable block wears to establish the inside of flexible post.

(III) beneficial effects

The utility model provides a vertebral plate retractor, which has the following beneficial effects:

1. this vertebral plate drag hook, through the setting of ring, slider and lifter plate, medical personnel can slide the slider and make the slider remove at the surface of ring, consequently be favorable to medical personnel to change the tensile position when operating to the patient, and the main knife does not need homonymy assistant to assist in the operation process, and main knife movable range increases, and operation flexibility improves.

2. This vertebral lamina drag hook, through flexible post, flexible arm-tie and the setting of drawing the post, medical personnel can stimulate and draw the post, make one side of drawing the post support tightly in one side of flexible arm-tie, be favorable to medical personnel to fix the position when patient's operation, and can make the visual field of operation more clear, the security of operation can obviously promote, can effectually reduce important tissue injury such as dura mater bag, nerve root and blood vessel, because participate in operation personnel quantity decline, so can reduce the risk of iatrogenic infection, reduce the additional cost that the patient produced because of operation complication, have certain social economic benefits.

Drawings

FIG. 1 is a schematic diagram of an explosive structure according to the present utility model;

FIG. 2 is a schematic diagram of the structure of the present utility model;

FIG. 3 is a schematic view of a rotor plate structure according to the present utility model;

fig. 4 is a schematic view of the structure of the telescopic pulling plate according to the present utility model.

In the figure: 1. a circular ring; 2. a slide block; 3. fixing the column; 4. a telescopic column; 5. a moving block; 6. a rotating plate; 7. a support post; 8. a lifting plate; 9. a telescopic pulling plate; 10. pulling a column; 11. screwing the bolt; 12. fastening a screw cap; 13. a suction cup; 14. a clamping button; 15. and clamping the bolt.

Detailed Description

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1 to 4, the present utility model provides a technical solution: the utility model provides a vertebral plate drag hook, includes joint at the slidable slider 2 of ring 1 surface, and one side threaded connection of slider 2 has detachable bolt 11 of screwing, and medical personnel can carry out spacingly to slider 2 after the removal through rotating bolt 11 of screwing, and bolt 11 of screwing runs through the one end screw thread of slider 2 and wears to establish in the inside of ring 1, peg graft telescopic column 4 in the upper end of fixed column 3;

the inner wall of the telescopic column 4 is provided with a spacing spring capable of spacing, when medical staff needs to lift and adjust the height of the telescopic column 4, the telescopic column 4 can be lifted and spacing under the action of the spacing spring by pressing the clamping button 14;

the end, far away from the telescopic column 4, of the limiting spring is fixedly connected with a limiting clamping button 14, the clamping button 14 is clamped inside the fixed column 3, the outer surface of the telescopic column 4 is clamped with a movable moving block 5, the middle part of the upper end of the moving block 5 is connected with a detachable clamping bolt 15 in a threaded manner, and the clamping bolt 15 penetrates through one end of the moving block 5 and penetrates through the inside of the telescopic column 4 in a threaded manner;

one side of the moving block 5 is clamped with a rotatable rotating plate 6, one side of the rotating plate 6 is fixedly connected with one side of the circular ring 1, the bottom end of the fixed column 3 is fixedly connected with a limitable sucking disc 13, medical staff can install the sucking disc 13 on the upper surface of an operating table, and the sliding block 2 is clamped on the outer surface of the telescopic column 4;

the middle part fixedly connected with of slider 2 upper end can support pillar 7, and liftable lifter plate 8 has been cup jointed to the surface of pillar 7, and the surface threaded connection of lifter plate 8 has but spacing fastening nut 12, and fastening nut 12 chucking is at the surface of pillar 7, and the inner wall joint of lifter plate 8 has telescopic flexible arm-tie 9, and the inner wall joint of flexible arm-tie 9 has telescopic pull column 10, and the quantity of slider 2 has two, and two sliders 2 are symmetrical setting with the perpendicular central line of ring 1 as the symmetry axis.

In the utility model, the working steps of the device are as follows:

1. firstly, medical staff can install the sucker 13 on the upper surface of an operating table, and clamp the sliding block 2 on the outer surface of the telescopic column 4;

2. secondly, medical staff can slide the sliding block 2 to enable the sliding block 2 to move on the outer surface of the circular ring 1, so that the medical staff can conveniently change the stretching position of a patient during operation;

3. then, medical staff can pull the pull column 10 to enable one side of the pull column 10 to be abutted against one side of the telescopic pull plate 9, so that the medical staff can fix the position of a patient during operation;

4. finally, the medical staff can lift and limit the telescopic column 4 under the action of the clamping button 14 by pressing the clamping button 14.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a vertebral lamina drag hook, includes joint at slidable slider (2) of ring (1) surface and peg graft telescopic column (4) in fixed column (3) upper end, its characterized in that: the telescopic column comprises a telescopic column body, wherein a movable moving block (5) is clamped on the outer surface of the telescopic column body (4), a rotatable rotating plate (6) is clamped on one side of the moving block (5), a supporting column (7) is fixedly connected to the middle of the upper end of the sliding block (2), a lifting plate (8) capable of lifting is sleeved on the outer surface of the supporting column (7), a telescopic pulling plate (9) is clamped on the inner wall of the lifting plate (8), and a telescopic pulling column (10) is clamped on the inner wall of the telescopic pulling plate (9).

2. A laminar retractor according to claim 1, wherein: one side threaded connection of slider (2) has detachable bolt (11) of screwing, bolt (11) of screwing run through the one end screw thread of slider (2) wears to establish the inside of ring (1).

3. A laminar retractor according to claim 1, wherein: the outer surface of the lifting plate (8) is in threaded connection with a spacing fastening nut (12), and the fastening nut (12) is clamped on the outer surface of the support column (7).

4. A laminar retractor according to claim 1, wherein: one side of the rotating plate (6) is fixedly connected to one side of the circular ring (1), and the bottom end of the fixed column (3) is fixedly connected with a sucker (13) capable of limiting.

5. A laminar retractor according to claim 1, wherein: the inner wall of the telescopic column (4) is provided with a spacing spring which can be spacing, one end of the spacing spring, which is far away from the telescopic column (4), is fixedly connected with a spacing clamping button (14), and the clamping button (14) is clamped in the fixing column (3).

6. A laminar retractor according to claim 1, wherein: the middle thread of movable block (5) upper end is connected with detachable clamping bolt (15), clamping bolt (15) run through the one end screw thread of movable block (5) wears to establish telescopic column (4) inside.