CN219109587U

CN219109587U - Chest retractor for minimally invasive incision of breastbone

Info

Publication number: CN219109587U
Application number: CN202320083013.4U
Authority: CN
Inventors: 杨腾蛟; 徐飞; 胡展; 凤玮
Original assignee: Fuwai Hospital of CAMS and PUMC
Current assignee: Fuwai Hospital of CAMS and PUMC
Priority date: 2023-01-28
Filing date: 2023-01-28
Publication date: 2023-06-02
Anticipated expiration: 2033-01-28

Abstract

The utility model discloses a breast bone minimally invasive incision breast opening drag hook, which belongs to the technical field of medical auxiliary tools, and particularly relates to a breast bone minimally invasive incision breast opening drag hook. When the sternum minimally invasive incision is required to be opened, the two hooks are placed in the split sternum when approaching to the target rib after being screwed into different screw holes and the positions of the two hooks are adjusted, and the drive assembly can gradually retract the bone seam, so that the electric saw is easy to bend, and the electric saw can be controlled easily when approaching to the edge of the sternum, thereby avoiding damaging blood vessels.

Description

Chest retractor for minimally invasive incision of breastbone

Technical Field

The utility model relates to the technical field of medical auxiliary tools, in particular to a breast bone minimally invasive incision breast opening drag hook.

Background

At present, a minimally invasive incision operation of heart surgery is carried out more, and a part of sternum is split during the operation. When the sternum is split from the superior fossa sternum or the xiphoid process, an electric saw is needed to turn when the sternum is split to the corresponding intercostals, and when the sternum is turned to the corresponding intercostals, the electric saw is difficult to control, and the sternum is difficult to split, split and damage the vessels in the chest, so that a sternum minimally invasive incision chest opening retractor needs to be developed.

Disclosure of Invention

This section is intended to outline some aspects of embodiments of the utility model and to briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section as well as in the description summary and in the title of the application, to avoid obscuring the purpose of this section, the description summary and the title of the utility model, which should not be used to limit the scope of the utility model.

In order to solve the technical problems, according to one aspect of the present utility model, the following technical solutions are provided:

the utility model provides a chest drag hook is opened to sternum wicresoft incision, its includes the mounting panel, the fixed plate that sets up of mounting panel one end, the slip is provided with the regulating plate of parallel and fixed plate on the mounting panel pole body, the mounting panel is provided with the drive assembly who gradually drives regulation regulating plate and fixed plate interval, the fixed plate with movable dismouting is provided with the displacement frame on the pole body of regulating plate, displacement frame bottom is provided with and is used for pulling open notched coupler body, two coupler body symmetry sets up, fixed plate and regulating plate are provided with the regulation subassembly of regulation coupler body position.

As a preferable scheme of the sternum minimally invasive incision chest opening drag hook, the utility model comprises the following steps: the adjusting assembly comprises screw holes which are formed in the outer side walls of the fixed plate and the adjusting plate at equal intervals, the side wall of the displacement frame is penetrated by an adjusting screw which is provided with an adaptive screw hole, and the adjusting screw is screwed and penetrated by one screw hole.

As a preferable scheme of the sternum minimally invasive incision chest opening drag hook, the utility model comprises the following steps: the driving assembly comprises a mounting frame for the mounting plate to slide and penetrate through, a row of racks are arranged at one end of the mounting plate, which is located at one end of the inner cavity of the mounting frame, a vertical rotating shaft is arranged on one side of the mounting frame in a rotating mode through a bearing, a gear is arranged on one section of the rotating shaft, located in the mounting frame, and teeth of the gear are meshed with the connecting racks.

As a preferable scheme of the sternum minimally invasive incision chest opening drag hook, the utility model comprises the following steps: one side of the mounting plate, which is far away from the rack, is attached to the inner side wall of the mounting frame, the top end of the rotating shaft is provided with a first rotating handle, and an anti-slip sleeve is arranged at the holding position of the first rotating handle.

As a preferable scheme of the sternum minimally invasive incision chest opening drag hook, the utility model comprises the following steps: limiting plates are arranged at the left end and the right end of the mounting plate in a protruding mode, and the size of each limiting plate is larger than that of the mounting frame.

As a preferable scheme of the sternum minimally invasive incision chest opening drag hook, the utility model comprises the following steps: the driving assembly comprises side plates which are symmetrically arranged at two ends of the mounting plate in a protruding mode, a screw rod which is parallel to the mounting plate is arranged between the two side plates in a rotating mode through a bearing seat, one end of the adjusting plate is penetrated through by the screw rod in a threaded mode, and a limiting sliding port through which the mounting plate is penetrated in a sliding mode and a threaded hole through which the screw rod is penetrated in a threaded mode are formed in the adjusting plate.

As a preferable scheme of the sternum minimally invasive incision chest opening drag hook, the utility model comprises the following steps: one end of the screw rod extends and rotates to penetrate through the side wall of the side plate and is provided with a second crank, and a protecting sleeve is arranged at the two hand-held positions of the second crank.

Compared with the prior art, the utility model has the beneficial effects that: when the sternum minimally invasive incision is required to be opened, the two hooks are placed in the split sternum when approaching to the target rib after being screwed into different screw holes and the positions of the two hooks are adjusted, and the driving assembly can gradually retract the bone seam, so that the electric saw is easy to bend, and the control electric saw can be easily controlled when approaching to the edge of the sternum, thereby avoiding damaging blood vessels.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the following detailed description of the embodiments of the present utility model will be given with reference to the accompanying drawings, which are to be understood as merely some embodiments of the present utility model, and from which other drawings can be obtained by those skilled in the art without inventive faculty. Wherein:

FIG. 1 is a schematic diagram of a first embodiment of the present utility model;

FIG. 2 is a schematic view of the rear view of FIG. 1 according to the present utility model;

FIG. 3 is a schematic diagram of a second embodiment of the present utility model;

fig. 4 is a schematic structural view of the adjusting plate and the adjusting assembly of the present utility model.

In the figure: mounting plate 100, mounting frame 110, rack 120, pivot 130, gear 140, turn handle one 150, limiting plate 160, fixed plate 200, adjusting plate 210, displacement frame 220, coupler body 230, screw 240, adjusting screw 250, side plate 300, screw rod 310, crank two 320, limiting slide port 330, screw hole 340.

Detailed Description

In order that the above objects, features and advantages of the utility model will be readily understood, a more particular description of the utility model will be rendered by reference to the appended drawings.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model, but the present utility model may be practiced in other ways other than those described herein, and persons skilled in the art will readily appreciate that the present utility model is not limited to the specific embodiments disclosed below.

In the following detailed description of the embodiments of the present utility model, the cross-sectional view of the device structure is not partially enlarged to a general scale for the convenience of description, and the schematic is merely an example, which should not limit the scope of the present utility model. In addition, the three-dimensional dimensions of length, width and depth should be included in actual fabrication.

For the purpose of making the objects, technical solutions and advantages of the present utility model more apparent, embodiments of the present utility model will be described in further detail below with reference to the accompanying drawings.

Referring to fig. 1, 2 and 4, a schematic structural diagram of an embodiment of a breast bone minimally invasive incision breast retractor according to the present utility model is shown, and referring to fig. 1, 2 and 4, a detailed description is given of a breast bone minimally invasive incision breast retractor.

The utility model provides a chest drag hook is opened to sternum wicresoft incision, including mounting panel 100 one end fixed setting fixed plate 200, the mounting panel 100 pole body is slided and is provided with parallel and fixed plate 200's regulating plate 210, mounting panel 100 is provided with the drive assembly who gradually drives regulation regulating plate 210 and fixed plate 200 interval, movable dismouting is provided with displacement frame 220 on the pole body of fixed plate 200 and regulating plate 210, displacement frame 220 bottom is provided with and is used for pulling open notched coupler body 230, two coupler bodies 230 symmetry sets up, fixed plate 200 and regulating plate 210 are provided with the regulation subassembly of regulation coupler body 230 position.

Referring to fig. 1 and 4 again, the adjusting assembly includes screw holes 240 formed on the outer side walls of the fixing plate 200 and the adjusting plate 210 at equal intervals, an adjusting screw 250 provided with an adapting screw hole 240 is penetrated through the side wall of the displacement frame 220, the adjusting screw 250 is screwed into one screw hole 240, and the positions of the two hooks 230 can be adjusted by screwing the adjusting screw 250 into different screw holes 240.

Referring to fig. 1 again, the driving assembly includes an adjusting plate 210, one end of the adjusting plate 210 is provided with a mounting frame 110 through which the mounting plate 100 slides, one end of the mounting plate 100, which is located at an inner cavity of the mounting frame 110, is provided with a row of racks 120, one side of the adjusting plate 210, which is located at one side of the mounting frame 110, is provided with a vertical rotating shaft 130 through a bearing, one section of the rotating shaft 130, which is located at the inner side of the mounting frame 110, is provided with a gear 140, teeth of the gear 140 are engaged with the racks 120, and the gear 140 moves along the racks 120 through rotating the rotating shaft 130, so as to drive the adjusting plate 210 to displace, that is, gradually adjust the distance between the fixing plate 200 and the adjusting plate 210.

Referring to fig. 1 again, one side of the mounting plate 100 far away from the rack 120 is attached to the inner side wall of the frame 110, a rotating handle 150 is provided at the top end of the rotating shaft 130, an anti-slip cover is provided at the hand-holding position of the rotating handle 150, and the rotating shaft 130 is conveniently driven to rotate by the rotating handle 150.

Referring to fig. 1 again, limiting plates 160 are convexly arranged at the left and right ends of the mounting plate 100, and the volume of the limiting plates 160 is larger than that of the mounting frame 110, so that the mounting frame 110 is prevented from thoroughly passing through the inside of the mounting frame 110.

Referring to fig. 3, a schematic structural diagram of another embodiment of a driving assembly for a minimally invasive sternotomy retractor of the utility model is shown: the driving assembly comprises side plates 300 symmetrically arranged at two ends of the mounting plate 100, screw rods 310 parallel to the mounting plate 100 are rotatably arranged between the two side plates 300 through bearing seats, one end of the adjusting plate 210 is penetrated by the screw rods 310 in a screwed mode, the adjusting plate 210 is provided with a limiting sliding port 330 for the sliding penetration of the mounting plate 100 and a threaded hole 340 for the screw rods 310 to penetrate in a screwed mode, and the adjusting plate 210 moves along the mounting plate 100 under the limiting of the limiting sliding port 330 through rotating the screw rods 310, namely, the distance between the fixing plate 200 and the adjusting plate 210 is gradually adjusted.

Referring to fig. 3 again, one end of the screw rod 310 extends and rotates to penetrate through the side wall of the side plate 300, a second crank 320 is provided, a protecting sleeve is provided at the hand-held position of the second crank 320, and the screw rod 310 is conveniently driven to rotate by the second crank 320.

In a specific use process, when a chest needs to be opened through a minimally invasive sternum incision, the two hook bodies 230 are screwed into different screw holes 240 through the adjusting screws 250, after the positions of the two hook bodies 230 are adjusted, the two hook bodies 230 are placed when the split sternum approaches a target intercostal, and the bone seam can be gradually retracted through the driving assembly, so that the electric saw is easy to bend, and the electric saw can be controlled easily when approaching the edge of the sternum, so that the damage to blood vessels is avoided.

Although the utility model has been described hereinabove with reference to embodiments, various modifications thereof may be made and equivalents may be substituted for elements thereof without departing from the scope of the utility model. In particular, the features of the disclosed embodiments may be combined with each other in any manner as long as there is no structural conflict, and the exhaustive description of these combinations is not given in this specification merely for the sake of omitting the descriptions and saving resources. Therefore, it is intended that the utility model not be limited to the particular embodiment disclosed, but that the utility model will include all embodiments falling within the scope of the appended claims.

Claims

1. The utility model provides a chest drag hook is opened to sternum wicresoft incision, its characterized in that, including mounting panel (100), mounting panel (100) one end is fixed to be set up fixed plate (200), the pole body of mounting panel (100) is provided with parallel and regulating plate (210) of fixed plate (200) in the slip, mounting panel (100) are provided with the drive assembly who gradually drives regulation regulating plate (210) and fixed plate (200) interval, fixed plate (200) with movable dismouting is provided with displacement frame (220) on the pole body of regulating plate (210), displacement frame (220) bottom is provided with and is used for pulling open notched coupler body (230), two coupler body (230) symmetry sets up, fixed plate (200) and regulating plate (210) are provided with the regulation subassembly of regulation coupler body (230) position.

2. The sternum minimally invasive incision chest retractor of claim 1, wherein: the adjusting assembly comprises screw holes (240) which are formed in the outer side walls of the fixed plate (200) and the adjusting plate (210) at equal intervals, an adjusting screw (250) which is provided with an adaptive screw hole (240) in a penetrating mode is arranged on the side wall of the displacement frame (220), and the adjusting screw (250) is connected with the screw hole (240) in a penetrating mode.

3. The sternum minimally invasive incision chest retractor of claim 2, wherein: the driving assembly comprises a mounting frame (110) for the mounting plate (100) to slide and penetrate through, wherein one end of the mounting plate (210) is provided with a row of racks (120), one end of the mounting plate (100) located in an inner cavity of the mounting frame (110), the adjusting plate (210) is located on one side of the mounting frame (110) and is provided with a vertical rotating shaft (130) through bearing rotation, one section of the rotating shaft (130) located in the frame of the mounting frame (110) is provided with a gear (140), and teeth of the gear (140) are meshed with the racks (120).

4. A minimally invasive sternotomy breast retractor according to claim 3, wherein: one side of the mounting plate (100) far away from the rack (120) is attached to the inner side wall of the mounting frame (110), a rotating handle one (150) is arranged at the top end of the rotating shaft (130), and an anti-slip sleeve is arranged at the hand-held position of the rotating handle one (150).

5. A minimally invasive sternotomy breast retractor according to claim 3, wherein: limiting plates (160) are arranged at the left end and the right end of the mounting plate (100) in a protruding mode, and the size of the limiting plates (160) is larger than that of the mounting frame (110).

6. The sternum minimally invasive incision chest retractor of claim 2, wherein: the driving assembly comprises side plates (300) symmetrically arranged at two ends of the mounting plate (100), screw rods (310) parallel to the mounting plate (100) are arranged between the two side plates (300) in a rotating mode through bearing seats, one end of the adjusting plate (210) is penetrated by the screw rods (310) in a threaded mode, and the adjusting plate (210) is provided with a limiting sliding port (330) through which the mounting plate (100) slides in a threaded mode and a threaded hole (340) through which the screw rods (310) are penetrated in a threaded mode.

7. The sternum minimally invasive incision chest retractor of claim 6, wherein: one end of the screw rod (310) extends and rotates to penetrate through the side wall of the side plate (300) and is provided with a second crank (320), and a hand holding part of the second crank (320) is provided with a protective sleeve.