Sternum dilator for cardiac great vessel surgery

By designing a multi-directional adjustable sternal retractor, the problem of traditional sternal retractors being unable to adjust angle and direction was solved, achieving efficient retraction at multiple points and improving surgical efficiency.

CN223554887UActive Publication Date: 2025-11-18FUYANG PEOPLES HOSPITAL
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Patent Information

Application Number
CN202422730209.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-11
Publication Date
2025-11-18
Estimated Expiration
2034-11-11

AI Technical Summary

Technical Problem

In traditional cardiac and vascular surgery, the fixed stent structure of the sternal retractor cannot be adjusted in angle and direction, which limits its use at multiple points and affects surgical efficiency.

Method used

A sternal retractor for cardiac and vascular surgery was designed. It adopts a multi-directional adjustable structure, including a main support rod, an extension side rod, a vertical extension rod, and a sanitary lever. It is driven by a motor and fixed with bolts to achieve multi-point adjustable retraction operation.

Benefits of technology

It enables multi-point adjustable expansion of the sternum, improving the convenience and efficiency of surgical procedures, and the electric operation is even more efficient.

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Abstract

The utility model discloses a sternum dilator for cardiac macrovascular surgery, which relates to the field of cardiac macrovascular surgery and comprises a main supporting rod, a horizontal clamping groove is horizontally formed in one side edge of the main supporting rod, extending side rods are symmetrically butted to one side edge of the main supporting rod, vertical extending rods are vertically and fixedly connected to the bottom surfaces of the extending side rods, and the vertical extending rods are fixedly connected to the bottom surfaces of the extending side rods. The bottom end of the vertical extending rod is in butt joint with a sanitary shifting plate in the vertical direction, one end of the main supporting rod is fixedly connected with an end fixing box, a control key is connected to the top face of the end fixing box in a clamped mode, the top face of the main supporting rod is in horizontal butt joint with a top butt joint plate, and a penetrating clamping groove is horizontally formed in the top face of the top butt joint plate. A locking screw rod is vertically inserted into the inner side edge of the penetrating clamping groove, a vertical connecting rod is vertically connected to the bottom face of the top butt joint plate in a butt joint mode, a multi-direction adjusting structure is adopted so that multi-point-position operation and use can be met through adjustment in the installation and use process of the device, and meanwhile operation of the device is more convenient, fast and efficient through an electric opening treatment structure.
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Description

TECHNICAL FIELD

[0001] The utility model relates to heart and great blood vessel surgery technical field, specifically a sternum spreader for heart and great blood vessel surgery. BACKGROUND

[0002] Vascular surgery is a branch of surgery, mainly for the prevention, diagnosis and treatment of peripheral vascular diseases except cerebral and cardiac vessels. Except for hair, nails and cornea, blood vessels are distributed throughout the body. Therefore, vascular surgery covers a wide range.

[0003] For the present heart and great blood vessel surgery, the sternum needs to be spread during operation. The traditional method is to support the specified point by a single fixed bracket structure, which does not have the effect of adjusting the angle and direction, affecting the use of multiple points and the efficiency of the operation. SUMMARY

[0004] The utility model aims at providing a sternum spreader for heart and great blood vessel surgery to solve the problem of the sternum spread operation during the present heart and great blood vessel surgery, which is supported by a single fixed bracket structure at the specified point, without the effect of adjusting the angle and direction, affecting the use of multiple points and the efficiency of the operation.

[0005] To achieve the above purpose, the utility model provides the following technical scheme:

[0006] A sternum spreader for heart and great blood vessel surgery, comprising a main support rod, a horizontal clamping groove is horizontally formed on one side of the main support rod, an extension side rod is symmetrically connected to one side of the main support rod, a vertical extension rod is fixedly connected to the bottom surface of the extension side rod, a sanitary push plate is vertically connected to the bottom end of the vertical extension rod, an end fixed box is fixedly connected to one end of the main support rod, a control key is clamped to the top surface of the end fixed box, a top butt joint plate is horizontally connected to the top surface of the main support rod, a through clamping groove is horizontally formed on the top surface of the top butt joint plate, a locking screw is vertically inserted into the inner side of the through clamping groove, a vertical connecting rod is vertically connected to the bottom surface of the top butt joint plate, installation side blocks are symmetrically welded to the two side edges of the vertical connecting rod, a transmission screw is horizontally inserted into the inner side of the horizontal clamping groove, a matching motor is horizontally fixedly connected to the inner side of the end fixed box, a top clamping block is fixedly welded to the top surface of the main support rod, an end clamping block is welded to one end of the extension side rod, a matching screw hole is formed in the side edge of the end clamping block, an installation top block is fixedly connected to the top end of the sanitary push plate, a bottom clamping hole is formed in the bottom surface of the top butt joint plate, a top rotating block is fixedly connected to the top end of the vertical connecting rod, and a top connecting screw is threadedly connected to one end of the top butt joint plate.

[0007] As a preferred embodiment of the utility model: The horizontal clamping groove is horizontally arranged in the middle line of one side of the main support rod, the number of the extension side rods is two, and the two extension side rods are arranged in parallel, both of the extension side rods are arranged in the telescopic rod structure, and one end of the extension side rod is arranged in the side opening end of the horizontal clamping groove.

[0008] As a preferred embodiment of the utility model: The number of the vertical extension rods is consistent with that of the extension side rods, the top end of the vertical extension rod is fixedly connected to the bottom end of the extension side rod away from the main support rod, the sanitary plate is made of antibacterial material, and the top end of the sanitary plate is fixedly connected to the bottom end of the vertical extension rod through the mounting top block.

[0009] As a preferred embodiment of the utility model: The control key is electrically connected to the top surface of the end fixed box, the top surface of the main support rod is arranged in the bottom opening end of the through clamping groove, the through clamping groove is horizontally arranged in the middle line of the top surface of the top butt joint plate, and the bottom end of the locking screw is screw-connected to the top surface screw hole of the top clamping block.

[0010] As a preferred embodiment of the utility model: The top end of the vertical connecting rod is arranged in the bottom opening end of the bottom clamping hole, the mounting side block is symmetrically arranged at the bottom end of the vertical connecting rod, the output end of the cooperation motor is horizontally arranged in the extension end of the transmission screw rod, the bottom end of the top clamping block is fixedly connected to the top surface of the main support rod, and the top end of the top clamping block is clamped to the inner side of the through clamping groove.

[0011] As a preferred embodiment of the utility model: One end of the end clamping block is clamped to the inner side of the horizontal clamping groove, and the cooperation screw hole is screw-connected to the outer side of the transmission screw rod, the bottom clamping hole is arranged in the bottom end of the top butt joint plate away from the through clamping groove, the bottom end of the top rotating block is clamped to the inner side of the bottom clamping hole, and the extension end of the top connecting screw is horizontally arranged in the outer side of the top rotating block.

[0012] Compared with the prior art, the utility model has the advantages of:

[0013] The utility model discloses a vertical connecting rod is set up in the edge position of operating table vertically to butt joint, and the installation side block is fixedly installed through bolt, then the rotation operation is carried out to the top butt joint plate of top, makes the top rotation block rotate to the specified angle in the inside of bottom card hole, lets the top butt joint plate horizontal adjustment to the specified angle, makes one end limit the side of top rotation block after the rotation of top interface screw rod, then after the pushing of main support rod, makes the top of top card block along the inside movement processing of through -going groove, after reaching the specified point, the locking screw rotation operation of top surface makes the top card block stable in the inside of through -going groove, then the extension side rod and vertical extension rod are pulled to the specified length, make the bottom end installation of sanitary plate is inserted and is set up in the sternum side position, after the press of control key of finger, make the cooperation motor rotation processing of controlling, let the output end drive transmission screw rod rotation operation, make the end card joint block along the inside outward movement operation of horizontal groove, make the extension side rod and vertical extension rod drive sanitary plate to the specified position and stop in the outward extrusion of sternum, when adopting multidirectional adjusting structure, it can satisfy the multi -point operation use through the adjustment, and the opening processing structure of electrification makes it more convenient and efficient to operate. BRIEF DESCRIPTION OF DRAWINGS

[0014] Other features, objects, and advantages of the utility model will become more apparent through reading the following detailed description of non-limiting embodiments with reference to the accompanying drawings:

[0015] Figure 1 It is a kind of chest bone spreader's three-dimensional structure schematic view for heart great blood vessel surgery;

[0016] Figure 2 It is the structure schematic view of main support rod overhead section connection details for a kind of chest bone spreader of heart great blood vessel surgery;

[0017] Figure 3 It is the structure schematic view of main support rod front view section connection details for a kind of chest bone spreader of heart great blood vessel surgery;

[0018] Figure 4 It is the structure schematic view of extension side rod side view section connection details for a kind of chest bone spreader of heart great blood vessel surgery;

[0019] Figure 5 It is the structure schematic view of top butt joint plate side view section connection details for a kind of chest bone spreader of heart great blood vessel surgery.

[0020] In the figure: 1, main support rod; 2, horizontal clamping groove; 3, extension side rod; 4, vertical extension rod; 5, sanitary push plate; 6, end fixed box; 7, control key; 8, top butt joint plate; 9, through clamping groove; 10, locking screw; 11, vertical connecting rod; 12, installation side block; 13, transmission screw; 14, matching motor; 15, top clamping block; 16, end clamping block; 17, matching screw hole; 18, installation top block; 19, bottom clamping hole; 20, top rotating block; 21, top connecting screw. DETAILED DESCRIPTION

[0021] Please refer to Figure 1 In the utility model embodiment, a sternum spreader for heart and great blood vessel surgery, including main support rod 1, the one side edge of main support rod 1 is horizontally provided with horizontal clamping groove 2, the one side edge of main support rod 1 is symmetrically butt jointed with extension side rod 3, horizontal clamping groove 2 is horizontally provided in the middle line position of the one side edge of main support rod 1, the number of extension side rod 3 is two, and two extension side rods 3 are arranged in parallel between each other, two extension side rods 3 are all arranged using telescopic rod structure, one end of extension side rod 3 is butt-jointedly arranged at the side opening end of horizontal clamping groove 2, the bottom surface of extension side rod 3 is fixedly connected with vertical extension rod 4 vertically, the bottom end of vertical extension rod 4 is butt-jointedly provided with sanitary push plate 5 vertically, the number of vertical extension rod 4 is consistent with the number of extension side rod 3, and the top end of vertical extension rod 4 is fixedly connected and arranged at the bottom surface of extension side rod 3 away from the one end position of main support rod 1, sanitary push plate 5 is made of antibacterial material and is arranged, and the top end of sanitary push plate 5 is fixedly connected and arranged in the bottom end central channel of vertical extension rod 4 through installation top block 18, one end of main support rod 1 is fixedly connected with end fixed box 6, the top surface of end fixed box 6 is clamped with control key 7, the top surface of main support rod 1 is horizontally butt-jointed with top butt joint plate 8, the top surface of top butt joint plate 8 is horizontally provided with through clamping groove 9, the inner side of through clamping groove 9 is vertically inserted with locking screw 10, the top surface control main plate of control key 7 and end fixed box 6 remains electrically connected, the top surface central position of main support rod 1 is butt-jointedly arranged at the bottom opening end of through clamping groove 9, through clamping groove 9 is horizontally provided in the top surface middle line position of top butt joint plate 8, the bottom end of locking screw 10 is screw-connected and arranged at the top surface screw hole position of top clamping block 15, the bottom surface of top butt joint plate 8 is butt-jointedly provided with vertical connecting rod 11 vertically, the two side edges of vertical connecting rod 11 are symmetrically welded with installation side block 12;

[0022] Please refer to Figures 2-5The utility model discloses a sternum spreader for heart and great blood vessel surgery, wherein the inner side edge of horizontal clamping groove 2 is horizontally inserted with transmission screw rod 13, the inner side edge of end fixed box 6 is horizontally fixedly connected with cooperation motor 14, the top surface of main support rod 1 is fixedly welded with top clamping block 15, the top end of vertical connecting rod 11 is butt jointed at the bottom opening end of bottom clamping hole 19, the installation side block 12 is symmetrically fixedly arranged at the bottom end position of the two side edges of vertical connecting rod 11, the output end of cooperation motor 14 is horizontally fixedly connected and arranged at the extension end position of transmission screw rod 13, the bottom end of top clamping block 15 is fixedly connected and arranged at the top surface center position of main support rod 1, and the top end of top clamping block 15 is clamped and arranged at the inner side edge of through clamping groove 9, one end of extension side rod 3 is welded with end clamping block 16, the side edge of end clamping block 16 is provided with cooperation screw hole 17, the top end of sanitary push plate 5 is fixedly connected with installation top block 18, the bottom surface of top butt joint plate 8 is provided with bottom clamping hole 19, the top end of vertical connecting rod 11 is fixedly connected with top rotating block 20, one end of top butt joint plate 8 is threadedly connected with top joint screw rod 21, one end of end clamping block 16 is clamped and arranged at the inner side edge of horizontal clamping groove 2, cooperation screw hole 17 is threadedly connected and arranged at the outer side edge of transmission screw rod 13, bottom clamping hole 19 is arranged at the bottom end position of top butt joint plate 8 away from one end position of through clamping groove 9, the bottom end of top rotating block 20 is clamped and arranged at the inner side edge of bottom clamping hole 19, and the extension end of top joint screw rod 21 is horizontally butt jointed at the outer side edge of top rotating block 20.

[0023] The working principle of the utility model is as follows:

[0024] The vertical connecting rod 11 is vertically arranged at the edge position of the operating table, the installation side block 12 is fixedly installed through the bolt, then the top butt joint plate 8 at the top end is rotated, the top rotating block 20 is rotated to a specified angle in the bottom clamping hole 19, the top butt joint plate 8 is horizontally adjusted to a specified angle, the top joint screw rod 21 is rotated, one end is limited to the side edge of the top rotating block 20, then the main support rod 1 is pushed, the top clamping block 15 at the top end moves along the inside of the through clamping groove 9, after reaching the specified point, the locking screw rod 10 on the top surface is rotated, the top clamping block 15 is stably arranged in the through clamping groove 9, then the extension side rod 3 and the vertical extension rod 4 are pulled to a specified length, the bottom end of the installed sanitary push plate 5 is inserted and arranged at the sternum side edge position, after the finger presses the control key 7, the cooperation motor 14 is rotated, the output end drives the transmission screw rod 13 to rotate, the end clamping block 16 moves outward along the inside of the horizontal clamping groove 2, the extension side rod 3 and the vertical extension rod 4 drive the sanitary push plate 5 to extrude and spread the sternum outward to a specified position and stop.

[0025] The above merely describes a preferred embodiment of the present application, and the protection scope of the present application is not limited thereto, and any skilled person in the art, according to the technical scheme and the inventive concept of the present application, makes equivalent replacement or change within the technical range disclosed by the present application, which should be covered within the protection scope of the present application.

Claims

1. A sternal retractor for cardiac great vessels surgery comprising a main support bar (1), characterized in that, The side edge of the main supporting rod (1) is horizontally provided with a horizontal clamping groove (2), and the side edge of the main supporting rod (1) is symmetrically connected with an extension side rod (3), the bottom surface of the extension side rod (3) is vertically fixedly connected with a vertical extension rod (4), the bottom end of the vertical extension rod (4) is vertically connected with a sanitary plate (5), one end of the main supporting rod (1) is fixedly connected with an end fixed box (6), the top surface of the end fixed box (6) is connected with a control key (7), the top surface of the main supporting rod (1) is horizontally connected with a top connecting plate (8), the top surface of the top connecting plate (8) is horizontally provided with a through clamping groove (9), the inner side of the through clamping groove (9) is vertically inserted with a locking screw (10), the bottom surface of the top connecting plate (8) is vertically connected with a vertical connecting rod (11), the two side edges of the vertical connecting rod (11) are symmetrically welded with a mounting side block (12), the inner side of the horizontal clamping groove (2) is horizontally inserted with a transmission screw (13), the inner side of the end fixed box (6) is horizontally fixedly connected with a matching motor (14), the top surface of the main supporting rod (1) is fixedly welded with a top clamping block (15), one end of the extension side rod (3) is welded with an end clamping block (16), the side edge of the end clamping block (16) is provided with a matching screw hole (17), the top end of the sanitary plate (5) is fixedly connected with a mounting top block (18), the bottom surface of the top connecting plate (8) is provided with a bottom clamping hole (19), the top end of the vertical connecting rod (11) is fixedly connected with a top rotating block (20), and one end of the top connecting plate (8) is threadedly connected with a top connecting screw (21).

2. The sternal retractor according to claim 1, wherein The horizontal clamping groove (2) is horizontally arranged at the middle line of the side edge of the main supporting rod (1), the number of the extension side rods (3) is two, and the two extension side rods (3) are arranged in parallel with each other, and the two extension side rods (3) are both arranged in the telescopic rod structure, and one end of the extension side rod (3) is connected to the side opening end of the horizontal clamping groove (2).

3. The sternal retractor according to claim 1, wherein The number of the vertical extension rods (4) is consistent with that of the extension side rods (3), the top end of the vertical extension rod (4) is fixedly connected to the bottom surface of the extension side rod (3) away from the main supporting rod (1), the sanitary plate (5) is made of an antibacterial material, and the top end of the sanitary plate (5) is fixedly connected to the bottom end of the vertical extension rod (4) in the central groove.

4. The sternal retractor according to claim 1, wherein The control key (7) is electrically connected with the top surface control main board of the end fixed box (6), the top surface of the main supporting rod (1) is connected to the bottom opening end of the through clamping groove (9), the through clamping groove (9) is horizontally arranged at the middle line of the top surface of the top connecting plate (8), and the bottom end of the locking screw (10) is threadedly connected to the top surface screw hole of the top clamping block (15).

5. The sternal retractor according to claim 1, wherein The top end of the vertical connecting rod (11) is butted at the bottom opening end of the bottom clamping hole (19), the installation side block (12) is symmetrically fixed at the two side bottom end positions of the vertical connecting rod (11), the output end of the cooperation motor (14) is horizontally extended and fixedly connected at the extension end position of the transmission screw rod (13), the bottom end of the top clamping block (15) is fixedly connected at the top surface center position of the main support rod (1), and the top end of the top clamping block (15) is clamped at the inner side of the through clamping groove (9).

6. The sternal retractor according to claim 1, wherein One end of the end clamping block (16) is clamped at the inner side of the horizontal clamping groove (2), and is screwedly connected with the cooperation screw hole (17) at the outer side of the transmission screw rod (13). The bottom clamping hole (19) is arranged at the bottom end of the top butt joint plate (8) away from the one end of the through clamping groove (9), the bottom end of the top rotating block (20) is clamped at the inner side of the bottom clamping hole (19), and the extension end of the top joint screw rod (21) is horizontally butted at the outer side of the top rotating block (20).