Intercostal adjustable distraction device

Abstract

The utility model discloses an intercostal adjustable opening device, which belongs to the technical field of mouse chest opening assistive devices and comprises a main rod and a supporting rod. A sliding seat is slidably connected to the outer wall of the main rod, a first arm rod is fixed to one end of the sliding seat, a second arm rod is fixed to the outer wall of the main rod, opening parts are arranged at one end of the first arm rod and one end of the second arm rod, a threaded through hole communicated with the main rod is formed in one end of the sliding seat, and a second bolt is in threaded connection with the interior of the threaded through hole of the sliding seat. One end of the main rod is arranged on the outer wall of the supporting rod in a sliding mode, an exchange hole is formed in the outer wall of the supporting rod, and a first bolt is locked between the supporting rod and the main rod through the exchange hole.

Description

Technical Field

[0001] This utility model relates to the field of assistive devices for opening the chest of mice, specifically an adjustable intercostal support device. Background Technology

[0002] Clinical open-chest surgery is a general term for chest surgeries such as thoracotomy, thoracoscopic minimally invasive surgery, lung cancer surgery, lung surgery, and esophageal surgery. Its main characteristic is that it requires entering the chest cavity to perform the surgery. In addition to open-chest surgery on humans, in experiments (especially cardiology-related experiments), open-chest surgery is often performed on mice to open the mouse's chest cavity with a dissector to construct an acute myocardial infarction model and other data.

[0003] Currently, most of the mainstream experimental instruments used for intercostal retraction of the mouse thoracic cavity are only suitable for one degree of retraction and cannot be adjusted according to the size of the mouse or the needs of the operator.

[0004] Based on this, the present invention designs an adjustable interrib opening device to solve the above problems. Summary of the Invention

[0005] The purpose of this invention is to provide an adjustable interrib opening device to solve the above-mentioned technical problems.

[0006] To achieve the above objectives, this utility model provides the following technical solution: an adjustable interrib opening device, comprising: a main rod and a support rod; a sliding seat is slidably connected to the outer wall of the main rod, a first arm is fixed to one end of the sliding seat, a second arm is fixed to the outer wall of the main rod, an opening portion is provided at one end of both the first arm and the second arm, a threaded through hole communicating with the main rod is provided at one end of the sliding seat, a second bolt is internally threadedly connected to the threaded through hole of the sliding seat, one end of the main rod is slidably disposed on the outer wall of the support rod, an adjustment hole is provided on the outer wall of the support rod, and a first bolt is locked between the support rod and the main rod through the adjustment hole.

[0007] Preferably, the supporting part includes an upper pad and a lower pad, the upper pad and the lower pad are connected and the connected lower pad and upper pad are bent into a C-shape.

[0008] Preferably, the outer wall of the support rod is provided with a height scale along the interchange hole.

[0009] Preferably, a base plate is fixed to one end of the support rod, and bolt holes are provided on the outer wall of the base plate.

[0010] Compared with the prior art, the beneficial effects of this utility model are: the height of the main rod can be adjusted up and down in advance according to the height scale of the support rod, based on the size of the open-chest mouse;

[0011] When opening the mouse's chest, insert the lower pads of the first and second arm opening sections into the mouse's chest cavity, and with the upper pads, each rings and supports half of the ribcage. Then, depending on the required degree of opening, after selecting the sliding block, tighten the second bolt against the main rod to stably open the mouse's chest cavity.

[0012] Installation holes can be pre-drilled at the surgical position on the experimental table to fix the seat plate together with the support rod and the experimental table. After opening the mouse's chest cavity, the surgeon's hands can be freed up, and the stability can be improved, making it easier for the surgeon to perform other operations. Attached Figure Description

[0013] To more clearly illustrate the technical solutions of the embodiments of this utility model, the accompanying drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0014] Figure 1 This is a schematic diagram of the overall structure of this embodiment;

[0015] Figure 2 This is a schematic diagram highlighting the structure of this embodiment;

[0016] Figure 3 This is a schematic diagram highlighting the structure of this embodiment.

[0017] The attached diagram lists the components represented by each number as follows:

[0018] 1. Main rod; 2. Support rod; 3. Adjustment hole; 4. Height scale; 5. First bolt; 6. Seat plate; 7. Slide block; 8. First boom; 9. Second boom; 10. Second bolt. Detailed Implementation

[0019] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the scope of protection of the present utility model.

[0020] Please see Figure 1-3This utility model provides a technical solution: an adjustable interrib opening device, comprising: a main rod 1 and a support rod 2; a slide block 7 is slidably connected to the outer wall of the main rod 1, a first arm 8 is fixed to one end of the slide block 7, a second arm 9 is fixed to the outer wall of the main rod 1, and an opening part is provided at one end of both the first arm 8 and the second arm 9; a threaded through hole communicating with the main rod 1 is opened at one end of the slide block 7, and a second bolt 10 is threadedly connected to the threaded through hole of the slide block 7; one end of the main rod 1 is slidably disposed on the outer wall of the support rod 2, and an adjustment hole 3 is opened on the outer wall of the support rod 2; a first bolt 5 is locked between the support rod 2 and the main rod 1 through the adjustment hole 3.

[0021] The first arm 8 slides horizontally on the main rod 1 via the slide block 7. It works in conjunction with the second arm 9 fixed to one end of the main rod 1. With the help of the two spreading parts, the ribcage of the mouse can be spread open as needed. By using the cooperation between the second bolt 10 and the threaded through hole of the slide block 7, when one end of the second bolt 10 is pressed against the main rod 1, the first arm 8 can be prevented from sliding again, thus maintaining a certain stability and assisting in the operation. The support rod 2, through the cooperation between its adjustment hole 3 and the first bolt 5, can adjust the height of the first arm 8 and the second arm 9 to accommodate mice of more different sizes.

[0022] Preferably, the supporting part includes an upper pad and a lower pad, the upper pad and the lower pad are connected and the connected lower pad and upper pad are bent into a C-shape;

[0023] The upper and lower pads are connected in a C-shape, which can effectively hold the mouse's cut ribcage.

[0024] Preferably, a height scale 4 is provided on the outer wall of the support rod 2 along the replacement hole 3;

[0025] With the aid of the height scale 4, personnel can better confirm the adjusted height of the first boom 8 and the second boom 9.

[0026] Preferably, a base plate 6 is fixed to one end of the support rod 2, and bolt holes are provided on the outer wall of the base plate 6;

[0027] By using bolts in the bolt holes, the support rod 2 can be more stably fixed to the workbench for use.

[0028] One specific application of this embodiment is as follows: Based on the size of the mouse undergoing thoracotomy, the height of the main rod 1 can be adjusted up and down according to the height scale 4 of the support rod 2. After selecting the height, the first bolt 5 passes through the adjustment holes of the main rod 1 and the support rod 2, and is then tightened with a nut to fix the main rod 1 and the support rod 2 together. When the mouse undergoes thoracotomy, the lower pads of the first arm rod 8 and the second arm rod 9 are inserted into the mouse's thoracic cavity, and the upper pads support half of the ribcage. Then, the required degree of expansion can be determined by sliding the slide seat 7, and the second bolt 10 is tightened to press against the main rod 1, stably expanding the mouse's thoracic cavity. Installation holes can be pre-drilled at the surgical position on the experimental table. Bolts are used to pass through the bolt holes of the seat plate 6 and the installation holes of the experimental table, and after tightening, the seat plate 6 and the experimental table are fixed together. After expanding the mouse's thoracic cavity, the surgeon's hands can be freed, and stability is improved.

[0029] In the description of this utility model, it should be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "side", "top", "inner", "front", "center", "both ends", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0030] In this utility model, unless otherwise explicitly specified and limited, the terms "installation", "setting", "connection", "fixing", "screw connection", etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal connection of two components or the interaction between two components. Unless otherwise explicitly limited, those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0031] Although embodiments of the present invention 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 to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. An adjustable interrib opening device, characterized in that, include: Main rod (1) and support rod (2); a slide block (7) is slidably connected to the outer wall of the main rod (1), a first arm (8) is fixed at one end of the slide block (7), a second arm (9) is fixed to the outer wall of the main rod (1), a spreading part is provided at one end of the first arm (8) and the second arm (9), a threaded through hole communicating with the main rod (1) is opened at one end of the slide block (7), a second bolt (10) is threadedly connected to the threaded through hole of the slide block (7), one end of the main rod (1) is slidably disposed on the outer wall of the support rod (2), an interchange hole (3) is opened on the outer wall of the support rod (2), and a first bolt (5) is locked between the support rod (2) and the main rod (1) through the interchange hole (3).

2. The adjustable interrib opening device according to claim 1, characterized in that: The supporting part includes an upper pad and a lower pad, which are connected and bent into a C-shape.

3. The adjustable interrib opening device according to claim 1, characterized in that: The support rod (2) has a height scale (4) along the interchange hole (3) on its outer wall.

4. The adjustable interrib opening device according to claim 1, characterized in that: One end of the support rod (2) is fixed with a seat plate (6), and bolt holes are provided on the outer wall of the seat plate (6).

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