Bending-adjustable rotary cutting structure

Abstract

The invention discloses an adjustable bending rotary cutting structure which comprises an outer pipe, a rotary cutting pipe is arranged in the outer pipe, a snake bone structure is arranged in the middle of the outer pipe, the snake bone structure comprises a plurality of snake bone joints connected through steel wires, and the multiple snake bone joints are used for enabling the outer pipe to have the bending function in the upper direction, the lower direction, the left direction and the right direction. A metal braided tube is arranged at the position, corresponding to the snake bone structure, of the rotary-cut tube; the metal braided tube can realize random rotation of the rotary-cut tube in the upper, lower, left and right directions on the premise that the transmission is not influenced, and the phenomenon of blockage cannot be generated; the rotary cutting angle of the outer tube is adjusted to achieve a proper angle to perform tissue excision, so that the excision surface is wider, hypertrophic tissue which is not easy to excide originally can be excided, and excision is more complete without omission.

Description

Technical Field

[0001] The invention belongs to the technical field of medical devices, and in particular relates to an adjustable bending rotary cutting structure. Background Art

[0002] Traditional thoracotomy has many disadvantages, such as large trauma, limited surgical field of view, high risk, and slow recovery. For example, a large thoracotomy incision is required to open the heart to remove the hypertrophic myocardium of the ventricular septum. When removing the hypertrophic tissue in the heart, there are some difficult locations to remove, which is harmful to the patient's body and has a limited number of patients. The amount of myocardial resection is difficult to control, and there is a risk that the amount of resection will not achieve the treatment purpose or excessive resection will cause complications. In addition, if breast nodules require surgery, there are currently puncture biopsy or surgical resection of the nodules, but both of these surgical methods rely on manual control of the cutting angle, so some of them will be inconvenient during surgery. Summary of the invention

[0003] The present invention provides an adjustable bending rotary cutting structure. When removing hypertrophic tissue in the heart, there are some places that are difficult to remove. By adjusting the rotary cutting angle of the outer tube, a suitable angle can be reached for tissue removal, thereby achieving a wider removal surface and making the hypertrophic tissue to be removed more completely without omission.

[0004] To solve the above problems, the technical solution provided by the present invention is as follows: An embodiment of the present invention provides an adjustable bending rotary cutting structure, comprising an outer tube (2), a rotary cutting tube (3) being arranged inside the outer tube (2), a snake bone structure (2-2) being arranged in the middle of the outer tube (2), the snake bone structure (2-2) comprising a plurality of snake bone nodes connected by steel wires (5), the plurality of snake bone nodes being used to enable the outer tube (2) to have a bending function in four directions: up, down, left, and right; a metal braided tube (3-2) being arranged at a position of the rotary cutting tube (3) corresponding to the snake bone structure (2-2); the metal braided tube (3-2) can realize the rotary cutting tube (3) to rotate freely in four directions: up, down, left, and right without causing a jamming phenomenon without affecting the transmission.

[0005] According to an optional embodiment of the present invention, the outer surface of the outer tube (2) is provided with an outer tube coating layer (1).

[0006] According to an optional embodiment of the present invention, the outer tube (2) has an outer tube front section (2-1) and an outer tube rear section (2-3) on both sides corresponding to the snake bone structure (2-2), the outer tube rear section (2-3) is provided with a rotary cut window (2-4), and the end of the outer tube rear section (2-3) is connected to a goose nose head (4).

[0007] According to an optional embodiment of the present invention, two adjacent snake bone segments among the plurality of snake bone segments connected by the steel wire (5) are arranged to be interlocked with each other through a protruding structure and a concave structure.

[0008] According to an optional embodiment of the present invention, the outer tube rear section (2-3) is provided with an extension structure on each side close to the snake bone segment, and the extension structure is inserted into the concave structures of the two snake bone segments at its edge.

[0009] According to an optional embodiment of the present invention, the rotary cutting tube (3) has a front section (3-1) and a rear section (3-3) of the rotary cutting tube corresponding to the metal braided tube (3-2) on both sides, and the rear section (3-3) of the rotary cutting tube is provided with a knife edge (3-4), and the knife edge (3-4) is arranged in alignment with the rotary cutting window (2-4).

[0010] Compared with the prior art, the embodiment of the present invention provides an adjustable bending rotary cutting structure, which has the following beneficial effects: (1) The present invention adds an angle bending that can achieve four directions of up, down, left and right while retaining the original small trauma and rotary cutting. (2) The present invention has a wider range of applications and can remove diseased tissue at any position in the heart from different angles, so that no diseased tissue that cannot be removed will be left in the heart. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] In order to more clearly illustrate the technical solutions in the embodiments or the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0012] Figure 1 A schematic structural diagram of an adjustable bending peeling structure provided in an embodiment of the present application.

[0013] Figure 2 for Figure 1 Enlarged schematic diagram at point A in the middle.

[0014] Figure 3 for Figure 1 Enlarged schematic diagram of point B in the middle.

[0015] Figure 4 and Figure 5 A schematic diagram of the outer tube structure of an adjustable bending rotary cutting structure provided in an embodiment of the present application.

[0016] Figure 6 for Figure 5 Enlarged schematic diagram at point C in the middle.

[0017] Figure 7A schematic diagram of a rotary cutting tube structure with an adjustable bend rotary cutting structure provided in an embodiment of the present application.

[0018] Figure 8 A schematic diagram of an adjustable bending peeling structure provided in an embodiment of the present application. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the present application will be described clearly and completely below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative work are within the scope of protection of the present application.

[0020] like Figures 1 to 8 As shown, an embodiment of the present invention provides an adjustable bending rotary cutting structure, including an outer tube 2, a rotary cutting tube 3 is arranged inside the outer tube 2, a snake bone structure 2-2 is arranged in the middle position of the outer tube 2, the snake bone structure 2-2 includes a plurality of snake bone nodes connected by steel wires 5, and the plurality of snake bone nodes are used to enable the outer tube 2 to have a bending function in four directions of up, down, left and right; a metal braided tube 3-2 is arranged at the position of the rotary cutting tube 3 corresponding to the snake bone structure 2-2; the metal braided tube 3-2 can realize the rotary cutting tube 3 to rotate freely in four directions of up, down, left and right without affecting the transmission without causing jamming.

[0021] like Figure 2 , Figure 3 , Figure 4 , Figure 5 and Figure 6 As shown, the outer surface of the outer tube 2 is covered with an outer tube coating layer 1. The outer tube 2 corresponds to the snake bone structure 2-2 on both sides of the outer tube 2, respectively, and the outer tube front section 2-1 and the outer tube rear section 2-3 are provided with a rotary cut window 2-4, and the end of the outer tube rear section 2-3 is connected to a goose nose head 4. Two adjacent snake bone sections of the multiple snake bone sections connected by steel wires 5 are mutually embedded through a convex structure and a concave structure, refer to Figure 5 The outer tube rear section 2-3 is provided with an extension structure on each side close to the snake bone segment, and the extension structure is inserted into the concave structure of the two snake bone segments at its edge, referring to Figure 6 .

[0022] like Figure 7 and Figure 8 As shown, the two sides of the rotary cutting tube 3 corresponding to the metal braided tube 3-2 are respectively the rotary cutting tube front section 3-1 and the rotary cutting tube rear section 3-3, and the rotary cutting tube rear section 3-3 is provided with a knife edge 3-4, and the knife edge 3-4 is arranged in alignment with the rotary cutting window 2-4.

[0023] The adjustable bending rotary cutting structure comprises an outer tube coating layer 1, an outer tube 2, a rotary cutting tube 3, a goose nose head 4 and a steel wire 5. The steel wire 5 is stretched to penetrate through a small hole in the wall of the outer tube 2 to reach the bottom and be connected. The rotary cutting tube 3 is placed inside the outer tube 2, and the goose nose head 4 is connected to one end of the outer tube 2 near the rotary cutting window 2-4. Finally, the outer tube coating layer 1 is put on the outer tube 2 and is firmly coated on the outer tube 2 by heating. When in use, the steel wire is stretched first to make the outer tube 2 complete the required angle first, and then the rotary cutting tube 3 is rotated to remove tissue.

[0024] The above are only specific embodiments of the present invention, but the protection scope of the present invention is not limited to this, and can also be used for breast nodule resection, lung nodule resection and other related human tissue resection surgeries. Any modifications, equivalent substitutions and improvements made by any technician familiar with the technical scope disclosed by the present invention within the spirit and principles of the present invention should be covered within the protection scope of the present invention; ordinary technicians in this field can make various changes and modifications without departing from the spirit and scope of the present invention. Therefore, the protection scope of the present invention shall be based on the scope defined by the claims.

Claims

1. An adjustable bending peeling structure, characterized in that: The invention comprises an outer tube (2), a rotary cutting tube (3) is arranged inside the outer tube (2), a snake bone structure (2-2) is arranged in the middle of the outer tube (2), the snake bone structure (2-2) comprises a plurality of snake bone joints connected by steel wires (5), and the plurality of snake bone joints are used to enable the outer tube (2) to have a bending function in four directions: up, down, left, and right; a metal braided tube (3-2) is arranged at a position of the rotary cutting tube (3) corresponding to the snake bone structure (2-2); the metal braided tube (3-2) can realize the rotary cutting tube (3) to rotate freely in four directions: up, down, left, and right without causing a jamming phenomenon without affecting the transmission.

2. The adjustable bending peeling structure according to claim 1, characterized in that: The outer surface of the outer tube (2) is sheathed with an outer tube coating layer (1).

3. The adjustable bending peeling structure according to claim 1, characterized in that: The outer tube (2) has an outer tube front section (2-1) and an outer tube rear section (2-3) on both sides corresponding to the snake-bone structure (2-2), the outer tube rear section (2-3) is provided with a rotary cut window (2-4), and the end of the outer tube rear section (2-3) is connected to a goose nose head (4).

4. The adjustable bending peeling structure according to claim 3, characterized in that: Two adjacent snake bone segments among the plurality of snake bone segments connected by the steel wire (5) are arranged to be interlocked with each other through the convex structure and the concave structure.

5. The adjustable bending peeling structure according to claim 4, characterized in that: An extension structure is arranged on each side of the outer tube rear section (2-3) close to the snake bone joints, and the extension structure is inserted into the concave structures of the two snake bone joints at the edge thereof.

6. The adjustable bending peeling structure according to claim 3, characterized in that: The rotary cutting tube (3) has a rotary cutting tube front section (3-1) and a rotary cutting tube rear section (3-3) on both sides corresponding to the metal braided tube (3-2), and the rotary cutting tube rear section (3-3) is provided with a knife edge (3-4), and the knife edge (3-4) is arranged in alignment with the rotary cutting window (2-4).

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