Multi-directional adjustable rib retractor for thoracic surgery

By designing a multi-directional adjustment rib retraction device, using structures such as sliding rods and rotating shafts, the problem of inability to adjust the contact direction and angle in the prior art is solved, and the angle adjustment, clamping and rotating fixing functions are realized, which improves the Operating flexibility and stability of thoracic surgery.

CN222237727UActive Publication Date: 2024-12-27FOURTH MILITARY MEDICAL UNIVERSITY
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Patent Information

Application Number
CN202420712752.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-04-09
Publication Date
2024-12-27
Estimated Expiration
2034-04-09

AI Technical Summary

Technical Problem

The existing rib retractors can only adjust the tension and cannot adapt to the contact direction and angle requirements of different rib forms of human body, resulting in inconvenient operation during thoracic surgery.

Method used

A multi-directional adjustment rib retraction device is designed, and the angle adjustment, clamping fixation and rotation fixation functions are achieved through structures such as sliding rod, rotation shaft, clamping shaft, toggle gear shaft and telescopic spring, and the functions of angle adjustment, clamping fixation and rotation fixation are realized, and the functions of different rib shapes are adapted to different rib shapes. demand.

Benefits of technology

The angle adjustment, clamping fixation and rotation fixation functions are realized, which improves the flexibility and stability of surgical operations and adapts to the needs of different surgical scenarios.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a multi-directional adjustable rib retractor for thoracic surgery, which comprises a sliding rod, a sliding seat is sleeved outside the sliding rod, a lower fixing column body is arranged at the top end of the sliding seat, a rotating shaft is inserted at the top end of the lower fixing column body, a clamping shaft is sleeved outside the rotating shaft, and the clamping shaft is connected with the sliding seat. A rotating gear shaft is inserted into the bottom end of the rotating shaft, a stirring gear shaft is installed on one side of the lower fixing column body, and a fixing lock rod is installed at the front end of the sliding base. By arranging the angle adjusting structure, the stirring gear shaft on one side of the lower fixing column body is stirred during use, so that the stirring gear shaft drives the rotating gear shaft inserted into the lower fixing column body to rotate in the lower fixing column body, and the rotating shaft at the top end of the rotating gear shaft is driven to rotate at the top end of the lower fixing column body; and the contact head at the top end of the rotating shaft is driven to rotate, so that an angle adjusting function is realized.
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Description

Technical Field

[0001] The utility model relates to the technical field of retraction devices, in particular to a multi-directionally adjustable rib retraction device for thoracic surgery. Background Art

[0002] Thoracic surgery generally includes lung surgery, esophageal surgery, breast surgery, etc. The rib retractor is a surgical instrument that can be used to open the chest and help doctors perform chest surgery, such as heart surgery, lung surgery, and chest visceral surgery. The rib retractor can adjust the tension through the handle to meet the needs of different surgical sessions.

[0003] When using a rib retractor, only the tension can be adjusted. However, the ribs of the human body are different during surgery, so the contact direction of the human body will also be different. Conventional rib retractors cannot adjust the angle. Therefore, we propose a multi-directional adjustable rib retractor for thoracic surgery to improve the above problem. Utility Model Content

[0004] The utility model aims to provide a multi-directionally adjustable rib retraction device for thoracic surgery to solve the problems raised in the above-mentioned background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a multi-directionally adjustable rib retraction device for thoracic surgery, comprising a sliding rod, the outer sleeve of the sliding rod is provided with a sliding seat, the top of the sliding seat is installed with a lower fixed column, the top of the lower fixed column is inserted with a rotating shaft, the outer sleeve of the rotating shaft is provided with a clamping shaft, the bottom end of the rotating shaft is inserted with a rotating gear shaft, a toggle gear shaft is installed on one side of the lower fixed column, and a fixed locking rod is installed at the front end of the sliding seat.

[0006] Preferably, the rotating gear shaft at the bottom end of the rotating shaft is inserted into the top end of the lower fixed column, and the rotating shaft is in contact with the lower fixed column via a clamping shaft.

[0007] Preferably, the shifting gear shaft is embedded in one side of the lower fixed column, and the shifting gear shaft rotates on one side of the lower fixed column, driving the rotating gear shaft inside the lower fixed column to rotate, and driving the rotating shaft at the top end of the lower fixed column to rotate.

[0008] Preferably, a rack is provided at the bottom of the sliding rod, a fixed seat body is installed on one side of the sliding rod, a fixed plug rod is installed on the top of the rotating shaft, the fixed plug rod is inserted at the rear end of the contact head, a fixing groove is provided at the rear end of the contact head, a clamping groove is provided at the rear end of the contact head, a stretching block is installed at the rear end of the fixed plug rod, a clamping rod is installed at the top of the stretching block, a sliding groove is provided at the rear end of the fixed plug rod, and a telescopic spring is installed inside the sliding groove.

[0009] Preferably, the fixed plug rod at the top end of the rotating shaft is inserted into the fixed groove and connected to the contact head, and the stretching block moves on the sliding groove at the rear end of the fixed plug rod.

[0010] Preferably, the stretching block is extended and retracted inside the sliding groove by a telescopic spring, the clamping rod at the top end of the stretching block is rotated, and the clamping rod is clamped with the clamping groove at the rear end of the contact head.

[0011] Preferably, a slot is provided on one side of the contact head, a steering shaft is installed on one side of the contact head, and a clamping strip is installed on the outside of the steering shaft.

[0012] Preferably, the slotted opening is provided with a contact head, and the clamping strip is rotated on one side of the contact head via a steering shaft.

[0013] Compared with the prior art, the utility model has the following beneficial effects: the multi-directionally adjustable rib retractor for thoracic surgery not only realizes the angle adjustment function, the clamping and fixing function, but also realizes the rotation and fixing function;

[0014] (1) By setting an angle adjustment structure, the utility model is beneficial in that: when in use, by toggling the toggle gear shaft on one side of the lower fixed column, the toggle gear shaft drives the rotating gear shaft inserted into the lower fixed column to rotate inside the lower fixed column, thereby driving the rotating shaft at the top of the rotating gear shaft to rotate at the top of the lower fixed column, thereby driving the contact head at the top of the rotating shaft to rotate, thereby realizing the angle adjustment function;

[0015] (2) By setting up a clamping and fixing structure, the utility model is beneficial in that: when in use, the stretching block at the rear end of the fixed plug rod is pulled, and the clamping rod at the top of the stretching block is driven to rotate by the stretching block sliding on the sliding groove, and the fixed plug rod at the top of the rotating shaft is inserted into the fixed groove at the rear end of the contact head, and the stretching block is loosened to allow the telescopic spring inside the sliding groove to drive the stretching block to reset, so that the clamping rod is clamped into the clamping groove at the rear end of the contact head, thereby realizing the clamping and fixing function;

[0016] (3) By providing a rotation fixing structure, the utility model has the following advantages: when in use, the clamping strip is rotated through the steering shaft and the contact head, and then the pipe is clamped onto the clamping strip, allowing the pipe to enter the chest cavity through the slot, thereby realizing the rotation fixing function. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a front view structural schematic diagram of the utility model;

[0018] Figure 2 It is a schematic diagram of the cross-sectional structure of the rotating shaft and the lower fixed column of the utility model;

[0019] Figure 3 It is a rear view structural schematic diagram of the contact head and the rotating shaft of the utility model;

[0020] Figure 4 It is a schematic diagram of an enlarged side view of the contact head of the utility model.

[0021] In the figure: 1. contact head; 2. rotating shaft; 3. fixed seat body; 4. lower fixed column; 5. sliding seat; 6. fixed locking rod; 7. rack; 8. sliding rod; 9. snap-in groove; 10. snap-in rod; 11. stretching block; 12. fixed plug rod; 13. telescopic spring; 14. sliding groove; 15. fixed groove; 16. snap-in shaft; 17. rotating gear shaft; 18. toggle gear shaft; 19. notch; 20. snap-in strip; 21. steering shaft. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] Example 1: Please refer to Figure 1-4 A multi-directionally adjustable rib retraction device for thoracic surgery comprises a sliding rod 8, a sliding seat 5 is sleeved on the outside of the sliding rod 8, a lower fixed column 4 is installed on the top of the sliding seat 5, a rotating shaft 2 is inserted on the top of the lower fixed column 4, a clamping shaft 16 is sleeved on the outside of the rotating shaft 2, a rotating gear shaft 17 is inserted on the bottom end of the rotating shaft 2, a toggle gear shaft 18 is installed on one side of the lower fixed column 4, and a fixed locking rod 6 is installed on the front end of the sliding seat 5;

[0024] The rotating gear shaft 17 at the bottom end of the rotating shaft 2 is inserted into the top end of the lower fixed cylinder 4, and the rotating shaft 2 contacts the lower fixed cylinder 4 through the clamping shaft 16. The shifting gear shaft 18 is embedded in one side of the lower fixed cylinder 4. The shifting gear shaft 18 rotates on one side of the lower fixed cylinder 4 to drive the rotating gear shaft 17 inside the lower fixed cylinder 4 to rotate, thereby driving the rotating shaft 2 at the top end of the lower fixed cylinder 4 to rotate;

[0025] Specifically, Figure 1 and Figure 2 As shown, by setting an angle adjustment structure, when in use, by toggling the toggle gear shaft 18 on one side of the lower fixed column 4, the toggle gear shaft 18 drives the rotating gear shaft 17 inserted into the lower fixed column 4 to rotate inside the lower fixed column 4, thereby driving the rotating shaft 2 at the top of the rotating gear shaft 17 to rotate at the top of the lower fixed column 4, thereby driving the contact head 1 at the top of the rotating shaft 2 to rotate, thereby realizing the angle adjustment function.

[0026] Embodiment 2: A rack 7 is provided at the bottom of the sliding rod 8, a fixed seat body 3 is installed on one side of the sliding rod 8, a fixed plug rod 12 is installed at the top of the rotating shaft 2, the fixed plug rod 12 is inserted at the rear end of the contact head 1, a fixing groove 15 is provided at the rear end of the contact head 1, a clamping groove 9 is provided at the rear end of the contact head 1, a stretching block 11 is installed at the rear end of the fixed plug rod 12, a clamping rod 10 is installed at the top of the stretching block 11, a sliding groove 14 is provided at the rear end of the fixed plug rod 12, and a telescopic spring 13 is installed inside the sliding groove 14;

[0027] The fixed plug rod 12 at the top of the rotating shaft 2 is inserted into the fixed groove 15 and connected to the contact head 1. The stretching block 11 moves on the sliding groove 14 at the rear end of the fixed plug rod 12. The stretching block 11 is retracted in the sliding groove 14 by the telescopic spring 13. The clamping rod 10 at the top of the stretching block 11 rotates, and the clamping rod 10 is clamped with the clamping groove 9 at the rear end of the contact head 1.

[0028] Specifically, Figure 1 and Figure 3 As shown, by setting a snap-fit ​​fixing structure, when in use, the stretching block 11 at the rear end of the fixed plug rod 12 is pulled, and the stretching block 11 slides on the sliding groove 14 to drive the snap-fit ​​rod 10 at the top of the stretching block 11 to rotate, and the fixed plug rod 12 at the top of the rotating shaft 2 is inserted into the fixed groove 15 at the rear end of the contact head 1, and the stretching block 11 is loosened to allow the telescopic spring 13 inside the sliding groove 14 to drive the stretching block 11 to reset, so that the snap-fit ​​rod 10 is snapped into the snap-fit ​​groove 9 at the rear end of the contact head 1, thereby realizing the snap-fit ​​fixing function.

[0029] Embodiment 3: A slot 19 is provided on one side of the contact head 1, a steering shaft 21 is installed on one side of the contact head 1, and a clamping strip 20 is installed outside the steering shaft 21;

[0030] The contact head 1 is provided in the slot 19, and the clamping strip 20 is rotated on one side of the contact head 1 through the steering shaft 21;

[0031] Specifically, Figure 1 and Figure 4 As shown, by setting a rotation fixing structure, when in use, the clamping strip 20 is rotated with the contact head 1 through the steering shaft 21, and then the pipe is clamped onto the clamping strip 20, allowing the pipe to enter the chest cavity through the slot 19, thereby realizing the rotation fixing function.

[0032] Working principle: The utility model allows the fixed groove 15 at the rear end of the contact head 1 to be inserted into the outside of the fixed plug rod 12 at the top of the rotating shaft 2, and at the same time pulls the stretching block 11 at the rear end of the fixed plug rod 12, and the stretching block 11 slides on the sliding groove 14 to drive the clamping rod 10 at the top of the stretching block 11 to rotate, and loosens the stretching block 11 to allow the telescopic spring 13 inside the sliding groove 14 to drive the stretching block 11 to reset, so that the clamping rod 10 is clamped into the clamping groove 9 at the rear end of the contact head 1, and then the toggle gear shaft 18 on one side of the lower fixed column 4 is toggled, so that the toggle gear shaft 18 drives the rotating shaft inserted into the lower fixed column 4. The movable gear shaft 17 rotates inside the lower fixed column 4 to drive the rotating shaft 2 at the top of the rotating gear shaft 17 to rotate at the top of the lower fixed column 4 to drive the contact head 1 at the top of the rotating shaft 2 to rotate, and finally the sliding seat 5 drives the lower fixed column 4 to move on the rack 7 at the bottom of the sliding rod 8. After moving to a certain extent, the sliding seat 5 and the rack 7 inside it are locked by rotating the fixed locking rod 6 at the front end of the sliding seat 5. Finally, the clamping strip 20 is rotated with the contact head 1 through the steering shaft 21, and the pipeline is clamped to the clamping strip 20, allowing the pipeline to enter the chest cavity through the slot 19.

[0033] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

Claims

1. A multi-directionally adjustable rib retraction device for thoracic surgery, comprising a sliding rod (8), characterized in that: The sliding rod (8) is sleeved with a sliding seat (5) on the outside, a lower fixed column (4) is installed on the top of the sliding seat (5), a rotating shaft (2) is inserted into the top of the lower fixed column (4), a clamping shaft (16) is sleeved on the outside of the rotating shaft (2), a rotating gear shaft (17) is inserted into the bottom end of the rotating shaft (2), a toggle gear shaft (18) is installed on one side of the lower fixed column (4), and a fixed locking rod (6) is installed at the front end of the sliding seat (5).

2. A multi-directionally adjustable rib retraction device for thoracic surgery according to claim 1, characterized in that: The rotating gear shaft (17) at the bottom end of the rotating shaft (2) is inserted into the top end of the lower fixed column (4), and the rotating shaft (2) is in contact with the lower fixed column (4) via the clamping shaft (16).

3. The multi-directionally adjustable rib retraction device for thoracic surgery according to claim 1, characterized in that: The shifting gear shaft (18) is embedded in one side of the lower fixed column (4); the shifting gear shaft (18) rotates on one side of the lower fixed column (4) to drive the rotating gear shaft (17) inserted inside the lower fixed column (4) to rotate, thereby driving the rotating shaft (2) at the top end of the lower fixed column (4) to rotate.

4. The multi-directionally adjustable rib retraction device for thoracic surgery according to claim 1, characterized in that: A rack (7) is arranged at the bottom of the sliding rod (8), a fixed seat body (3) is installed on one side of the sliding rod (8), a fixed plug rod (12) is installed at the top end of the rotating shaft (2), the fixed plug rod (12) is inserted at the rear end of the contact head (1), a fixing groove (15) is provided at the rear end of the contact head (1), a clamping groove (9) is provided at the rear end of the contact head (1), a stretching block (11) is installed at the rear end of the fixed plug rod (12), a clamping rod (10) is installed at the top end of the stretching block (11), a sliding groove (14) is provided at the rear end of the fixed plug rod (12), and a telescopic spring (13) is installed inside the sliding groove (14).

5. A multi-directionally adjustable rib retraction device for thoracic surgery according to claim 4, characterized in that: The fixed insertion rod (12) at the top end of the rotating shaft (2) is inserted into the fixed groove (15) and connected to the contact head (1), and the stretching block (11) moves on the sliding groove (14) at the rear end of the fixed insertion rod (12).

6. The multi-directionally adjustable rib retraction device for thoracic surgery according to claim 4, characterized in that: The stretching block (11) is extended and retracted inside the sliding groove (14) by means of a telescopic spring (13), the clamping rod (10) at the top end of the stretching block (11) is rotated, and the clamping rod (10) is clamped with the clamping groove (9) at the rear end of the contact head (1).

7. The multi-directionally adjustable rib retraction device for thoracic surgery according to claim 4, characterized in that: A slot opening (19) is provided on one side of the contact head (1), a steering shaft (21) is installed on one side of the contact head (1), and a clamping strip (20) is installed outside the steering shaft (21).

8. The multi-directionally adjustable rib retraction device for thoracic surgery according to claim 7, characterized in that: The slotted opening (19) is provided with a contact head (1), and the clamping strip (20) is rotated on one side of the contact head (1) via a steering shaft (21).