CN218960807U

CN218960807U - Retractor for orthopedic spinal surgery

Info

Publication number: CN218960807U
Application number: CN202222044181.0U
Authority: CN
Inventors: 封层; 熊才亮; 宗华
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-08-04
Filing date: 2022-08-04
Publication date: 2023-05-05
Anticipated expiration: 2032-08-04

Abstract

The utility model discloses a retractor for an orthopedic spinal surgery, which relates to the technical field of the orthopedic spinal surgery and comprises a bottom plate and a control mechanism arranged on the surface of the bottom plate, wherein the control mechanism comprises an adjusting component and a transmission component; the adjusting component comprises a hydraulic rod, a sliding rod and a rotating plate, wherein the hydraulic rod is fixedly connected to the surface of a bottom plate, the output end of the hydraulic rod is fixedly connected with a sliding block, the surface of the sliding block is fixedly connected with a sliding rod, the surface of the sliding rod is slidably connected with the rotating plate, the sliding rod is arranged, the rotating plate can rotate through the movement of the sliding rod because the sliding rod perpendicular to the sliding block is embedded into a vertical slideway on the surface of the rotating plate, the rotating plate is driven to rotate through the movement of the sliding rod, and the embedded rod deviates from the circle center of the rotating plate, so that the embedded rod can apply thrust to the lifting plate through the rotation of the rotating plate, so that the embedded rod moves horizontally downwards under the action of the telescopic rod, and the height adjustment is realized.

Description

Retractor for orthopedic spinal surgery

Technical Field

The utility model relates to the technical field of orthopedic spinal surgery, in particular to a retractor for orthopedic spinal surgery.

Background

The upper end of the spine supports the skull, the lower hip bone and the middle rib is attached to the spine and is used as the back wall of the thoracic, abdominal and pelvic cavities, the spine has the functions of supporting the trunk, protecting the viscera, protecting the spinal cord and doing sports, a longitudinal spine tube is formed in the spine from top to bottom, the spinal cord is arranged in the spine, the spinal cord is connected into a longitudinal ridge and is positioned on the back normal midline, the spinal cord is short and branched, and the spinal cord is in a near-horizontal position, is slender and is arranged obliquely and obliquely at the rear lower part and is in an overlapping tile shape; lumbar spinous process is plate-shaped horizontally backward.

When the spine needs to be operated, the retractor is required to separate meat and tissues, and the part to be operated is exposed outside, but the retractor for the multi-spine operation is not easy to fix at present, and when the retractor is used, displacement is easy to occur, and medical staff is required to support, so that the retractor for the orthopedic spine operation is required.

Disclosure of Invention

The utility model aims to provide an orthopedic spine surgery retractor, which solves the problems that the existing retractor for multi-spine surgery in the prior art is not easy to fix, is easy to displace when in use and needs medical staff to support.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the orthopedic spine surgery retractor comprises a bottom plate and a control mechanism arranged on the surface of the bottom plate, wherein the control mechanism comprises an adjusting component and a transmission component;

the adjusting component comprises a hydraulic rod, a sliding rod and a rotating plate, wherein the hydraulic rod is fixedly connected to the surface of the bottom plate, the output end of the hydraulic rod is fixedly connected with a sliding block, the surface of the sliding block is fixedly connected with the sliding rod, and the surface of the sliding rod is slidably connected with the rotating plate;

the transmission assembly comprises a transmission rod, a rotary table, an embedded rod and a lifting plate, wherein the transmission rod is fixedly connected to the surface of the rotary plate, the rotary table is fixedly connected to the surface of the transmission rod, the embedded rod is fixedly connected to the surface of the rotary table, and the lifting plate is slidably connected to the surface of the embedded rod.

Preferably, the fixed surface of bottom plate is connected with the bracing piece, the top fixedly connected with telescopic link of bracing piece, the top fixedly connected with roof of telescopic link, the surface sliding connection of roof has the fixed disk, the surface of fixed disk is provided with the fixed orifices, the bottom fixedly connected with adapter ring of fixed orifices, the bottom fixedly connected with drag hook main part of adapter ring, the surface of bottom plate is located the side fixedly connected with limiting plate of bracing piece.

Preferably, the sliding rod is arranged perpendicular to the sliding block, and the sliding rod is embedded into the vertical slideway on the surface of the rotating plate.

Preferably, the engagement point of the transmission rod and the rotary table is positioned at the center of the rotary table.

Preferably, the embedded rod is arranged deviating from the circle center of the turntable, and the top of the lifting plate is fixedly connected with the telescopic rod.

Preferably, the fixing holes are distributed on the surface of the top plate at equal intervals in a linear shape, and grooves matched with the fixing holes are formed in the surface of the fixing plate.

Preferably, the limiting plate is perpendicular to the bottom plate, and the limiting plate is in sliding connection with the telescopic rod.

Compared with the prior art, the utility model has the beneficial effects that:

through setting up the slide bar, because with slider vertically slide bar embedding at the vertical slide on rotor plate surface inside, so the rotor plate can realize rotatory through the removal of slide bar to drive with self fixed connection's carousel rotatory, because the embedding pole skew sets up with the centre of a circle of carousel, so the embedding pole can exert thrust to the lifter plate through the rotation of carousel, makes its under the effect of telescopic link, horizontal downward movement realizes altitude mixture control.

Drawings

Fig. 1 is a schematic diagram of the front structure of an orthopedic spinal surgery retractor according to the present utility model;

fig. 2 is a schematic top view of an orthopedic spinal surgery retractor according to the present utility model;

FIG. 3 is a schematic side view of an orthopedic spinal surgery retractor according to the present utility model;

fig. 4 is a schematic view of a partial structure of an orthopedic spinal surgery retractor according to the present utility model.

In the figure: 1-a bottom plate; 2-a hydraulic rod; 3-a slider; 4-a slide bar; 5-rotating plate; 6-a transmission rod; 7-a turntable; 8-embedding a rod; 9-lifting plates; 10-supporting rods; 11-a telescopic rod; 12-top plate; 13-a fixed disk; 14-fixing holes; 15-limiting plates; 16-retractor body.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. 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.

Example 1

As shown in fig. 1, 2 and 3, the orthopedic spinal surgery retractor in the drawing comprises a bottom plate 1 and a control mechanism arranged on the surface of the bottom plate 1, wherein the control mechanism comprises an adjusting component and a transmission component;

the adjusting component comprises a hydraulic rod 2, a sliding rod 4 and a rotating plate 5, wherein the hydraulic rod 2 is fixedly connected to the surface of the bottom plate 1, the output end of the hydraulic rod 2 is fixedly connected with a sliding block 3, the surface of the sliding block 3 is fixedly connected with the sliding rod 4, and the surface of the sliding rod 4 is slidably connected with the rotating plate 5;

the transmission assembly comprises a transmission rod 6, a rotary table 7, an embedded rod 8 and a lifting plate 9, wherein the transmission rod 6 is fixedly connected to the surface of the rotary plate 5, the rotary table 7 is fixedly connected to the surface of the transmission rod 6, the embedded rod 8 is fixedly connected to the surface of the rotary table 7, and the lifting plate 9 is slidably connected to the surface of the embedded rod 8.

Further, the sliding rod 4 is vertically arranged with the sliding block 3, and the sliding rod 4 is embedded into a vertical slideway on the surface of the rotating plate 5; since the slide bar 4 perpendicular to the slide block 3 is embedded inside the vertical slide way of the surface of the rotation plate 5, the rotation plate 5 is rotated by the movement of the slide bar 4.

Further, the engagement point of the transmission rod 6 and the rotary table 7 is positioned at the center of the rotary table 7; by providing the transmission rod 6, a power source can be applied for the rotation of the turntable 7.

Further, the embedded rod 8 is arranged deviating from the circle center of the turntable 7, and the top of the lifting plate 9 is fixedly connected with the telescopic rod 11; because the embedded rod 8 deviates from the circle center of the turntable 7, the embedded rod 8 can apply thrust to the lifting plate 9 through the rotation of the turntable 7, so that the lifting plate moves horizontally downwards under the action of the telescopic rod 11, and the height adjustment is realized.

Example 2

As shown in fig. 2 and fig. 4, this embodiment further illustrates example 1, the surface of the bottom plate 1 is fixedly connected with the supporting rod 10, the top of the supporting rod 10 is fixedly connected with the telescopic rod 11, the top of the telescopic rod 11 is fixedly connected with the top plate 12, the surface of the top plate 12 is slidably connected with the fixed disk 13, the surface of the fixed disk 13 is provided with the fixed hole 14, the bottom of the fixed hole 14 is fixedly connected with the engagement ring 17, the bottom of the engagement ring 17 is fixedly connected with the drag hook main body 16, and the surface of the bottom plate 1 is located the side of the supporting rod 10 and is fixedly connected with the limiting plate 15.

Further, the fixing holes 14 are distributed on the surface of the top plate 12 in a linear equidistant manner, and grooves matched with the fixing holes 14 are formed on the surface of the fixing plate 13; because the surface of the fixed disk 13 is provided with through holes with the same size as the fixed holes 14, screws are screwed into the through holes on the surface of the fixed disk 13 to penetrate through the fixed holes 14, and the two groups of retractor main bodies 16 can be fixed.

Further, the limiting plate 15 is perpendicular to the bottom plate 1, and the limiting plate 15 is in sliding connection with the telescopic rod 11; by providing the limiting plate 15, the top plate 12 can be prevented from being unstable when lifted.

When in use, the utility model is characterized in that: firstly, the height of a drag hook main body 16 is adjusted, a hydraulic rod 2 is opened to enable the hydraulic rod 2 to push a sliding block 3 to slide on the surface of a bottom plate 1, a sliding rod 4 vertical to the sliding block 3 is embedded into a vertical slideway on the surface of a rotating plate 5, so that the rotating plate 5 can rotate through the movement of the sliding rod 4 and drive a turntable 7 fixedly connected with the rotating plate 5 to rotate, and because an embedded rod 8 deviates from the circle center of the turntable 7, the embedded rod 8 can apply thrust to a lifting plate 9 through the rotation of the turntable 7, so that the lifting plate moves horizontally downwards under the action of a telescopic rod 11, and the height adjustment is realized;

next, the positions of the retractor bodies 16 are fixed, and the retractor cannot be moved at will during operation, so that the retractor bodies 16 need to be fixed, and after the positions of the two sets of retractor bodies 16 are adjusted, the fixing disc 13 is provided with through holes with the same size as the fixing holes 14 on the surface, and screws are screwed into the through holes on the surface of the fixing disc 13 to penetrate through the fixing holes 14, so that the two sets of retractor bodies 16 can be fixed.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

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 bone surgery retractor, includes bottom plate (1) and sets up in the control mechanism of bottom plate (1) surface, its characterized in that: the control mechanism comprises an adjusting component and a transmission component;

the adjusting assembly comprises a hydraulic rod (2), a sliding rod (4) and a rotating plate (5), wherein the hydraulic rod (2) is fixedly connected to the surface of the bottom plate (1), the output end of the hydraulic rod (2) is fixedly connected with a sliding block (3), the surface of the sliding block (3) is fixedly connected with the sliding rod (4), and the surface of the sliding rod (4) is slidably connected with the rotating plate (5);

the transmission assembly comprises a transmission rod (6), a rotary table (7), an embedded rod (8) and a lifting plate (9), wherein the transmission rod (6) is fixedly connected to the surface of the rotary plate (5), the rotary table (7) is fixedly connected to the surface of the transmission rod (6), the embedded rod (8) is fixedly connected to the surface of the rotary table (7), and the lifting plate (9) is slidably connected to the surface of the embedded rod (8).

2. The bone spinal surgical retractor according to claim 1, wherein: the surface fixedly connected with bracing piece (10) of bottom plate (1), the top fixedly connected with telescopic link (11) of bracing piece (10), the top fixedly connected with roof (12) of telescopic link (11), the surface sliding connection of roof (12) has fixed disk (13), the surface of fixed disk (13) is provided with fixed orifices (14), the bottom fixedly connected with linking ring (17) of fixed orifices (14), the bottom fixedly connected with drag hook main part (16) of linking ring (17), the surface of bottom plate (1) is located the side fixedly connected with limiting plate (15) of bracing piece (10).

3. The bone spinal surgical retractor according to claim 1, wherein: the sliding rod (4) is vertically arranged with the sliding block (3), and the sliding rod (4) is embedded into the vertical slideway on the surface of the rotating plate (5).

4. The bone spinal surgical retractor according to claim 1, wherein: the connecting point of the transmission rod (6) and the rotary table (7) is positioned at the center of the rotary table (7).

5. The bone spinal surgical retractor according to claim 1, wherein: the embedded rod (8) is deviated from the circle center of the turntable (7), and the top of the lifting plate (9) is fixedly connected with the telescopic rod (11).

6. An orthopedic spinal surgical retractor according to claim 2, wherein: the fixing holes (14) are distributed on the surface of the top plate (12) at equal intervals in a straight line shape, and grooves matched with the fixing holes (14) are formed in the surface of the fixing plate (13).

7. An orthopedic spinal surgical retractor according to claim 2, wherein: the limiting plate (15) is perpendicular to the bottom plate (1), and the limiting plate (15) is connected with the telescopic rod (11) in a sliding mode.