Electric cutting ring tool bit

Abstract

The utility model discloses an electric cutting ring tool bit, and relates to the technical field of medical instruments. The device comprises an electrode wire, a pair of tool bit steel pipes and a pair of outer steel pipes, the electrode wire is bent into a U-shaped structure, and the pair of tool bit steel pipes are arranged on the two sides of the electrode wire in a sleeved mode respectively. The pair of tool bit steel pipes are in one-to-one correspondence with the pair of outer steel pipes in the axial direction and are fixedly connected with the outer steel pipes; the pair of tool bit steel pipes is connected through a U-shaped pipe, the U-shaped pipe and the pair of tool bit steel pipes are arranged in parallel, and the two ends of the U-shaped pipe are fixedly connected with the peripheral sides of the two tool bit steel pipes respectively. Due to the fact that the U-shaped pipe is connected with the pair of cutter head steel pipes, the U-shaped pipe is located below the cutter head steel pipes and is parallel to the cutter head steel pipes, when the cutter head extends out of the resectoscope, the U-shaped pipe cannot block the view field, and operation of a doctor is facilitated.

Description

Technical Field

[0001] The utility model belongs to the technical field of medical equipment, in particular to an electric cutting ring cutter head. Background Art

[0002] The electrosurgical ring blade is generally used in gynecological and urological surgeries. It is suitable for endometrial ablation, endometrial polyps, submucosal fibroids, residual embryonic tissue after abortion, intrauterine adhesions, handling of intrauterine foreign bodies, prostate enucleation, bladder tumors, urethral stenosis, cysts, etc.

[0003] The electrosurgical ring blade is generally composed of an electrode wire, an insulating layer, a blade steel tube, an outer steel tube, a buckle, and a pin. The electrosurgical ring blade is generally used in conjunction with a corresponding electrosurgical resectoscope. Normal saline is required as the working medium during operation. The electrode wire of the blade part and the outer steel tube of the blade form a circuit when normal saline is used as the working medium. When in use, the electrosurgical ring blade is installed in the electrosurgical resectoscope, and the electrosurgical resectoscope is connected to the corresponding image receiving device and the host. The blade head is extended and retracted by pressing and releasing the electrosurgical resectoscope handpiece. When the blade head extends out of the electrosurgical resectoscope to reach the lesion location, plasma can be generated on the electrosurgical ring electrode wire through the host switch to cut and ablate the lesion tissue.

[0004] When using an electrosurgical cutting ring blade for surgery, a corresponding resectoscope is required. When the blade is extended, the lesion location and the blade position can be seen through the image feedback from the resectoscope lens. When the blade reaches the lesion location, surgery can be performed. Currently on the market, the U-shaped tube connecting the two blade steel pipes of the same type of electrosurgical cutting ring blades are all in the middle of the blade. When the blade is extended out of the resectoscope, the U-shaped tube will block part of the image, causing inconvenience to the operation. Utility Model Content

[0005] The utility model aims to provide an electrosurgical cutting ring blade head, which connects a pair of blade head steel pipes by designing a U-shaped tube, wherein the U-shaped tube is located below the blade head steel pipe and is parallel to the blade head steel pipe. When the blade head extends out of the electrosurgical cutting mirror, the U-shaped tube will not block the field of vision, thereby facilitating the doctor's operation, thereby solving the problem in the prior art that the U-shaped tube of the electrosurgical cutting ring blade head will block part of the field of vision and cause inconvenience to the operation.

[0006] In order to solve the above technical problems, the utility model is realized by the following technical solutions:

[0007] The utility model is an electric cutting ring cutter head, comprising an electrode wire, a pair of cutter head steel pipes and a pair of outer steel pipes;

[0008] The electrode wire is bent into a "U"-shaped structure, and a pair of the cutter head steel tubes are respectively sleeved on both sides of the electrode wire; the pair of the cutter head steel tubes correspond to the pair of the outer steel tubes in an axial direction, and the cutter head steel tubes are fixedly connected to the outer steel tubes;

[0009] The pair of cutter head steel pipes are connected by a U-shaped pipe, the U-shaped pipe is arranged in parallel with the pair of cutter head steel pipes, and the two ends of the U-shaped pipe are respectively fixedly connected to the circumference of the two cutter head steel pipes.

[0010] As a preferred technical solution of the utility model, it also includes a pair of support members, one end of which is fixedly connected to the peripheral side of the cutter head steel pipe, and the other end of which is fixedly connected to the inner wall of the outer steel pipe.

[0011] As a preferred technical solution of the utility model, the U-shaped tube and the support member are arranged on opposite sides of the cutter head steel tube. During surgery, the support member is located above the cutter head and the U-shaped tube is located below the cutter head.

[0012] As a preferred technical solution of the utility model, a first insulating sleeve is sleeved on the circumference of the electrode wire near the cutter head steel tube and inside the cutter head steel tube to achieve an insulating connection between the electrode wire and the cutter head steel tube.

[0013] As a preferred technical solution of the utility model, the U-shaped tube extends to the outer steel tube, and a second insulating sleeve is sleeved on the circumference of the U-shaped tube at the part not connected to the cutter head steel tube to achieve an insulating connection between the U-shaped tube and the outer steel tube.

[0014] The utility model has the following beneficial effects:

[0015] The utility model connects a pair of knife head steel pipes by designing a U-shaped pipe, wherein the U-shaped pipe is located below the knife head steel pipe and is parallel to the knife head steel pipe. When the knife head extends out of the resectoscope, the U-shaped pipe will not block the visual field, thus facilitating the doctor's operation.

[0016] Of course, any product implementing the present invention does not necessarily need to achieve all of the advantages described above at the same time. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for describing the embodiments are briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0018] Figure 1 This is a schematic diagram of the structure of an electric cutting ring cutter head of the utility model;

[0019] Figure 2 for Figure 1 A local enlarged schematic diagram of the middle A;

[0020] Figure 3 It is a side view of an electric cutting ring cutter head of the utility model;

[0021] Figure 4 for Figure 3 A partial enlarged schematic diagram of point B in the middle;

[0022] Figure 5 This is a bottom view of an electric cutting ring cutter head of the utility model;

[0023] Figure 6 for Figure 5 A partial enlarged schematic diagram of point C in the middle.

[0024] In the accompanying drawings, the components represented by the reference numerals are listed as follows:

[0025] 1-support, 2-knife head steel pipe, 3-outer steel pipe, 4-U-shaped pipe, 5-electrode wire, 6-first insulating sleeve, 7-second insulating sleeve. DETAILED DESCRIPTION

[0026] 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 of 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.

[0027] In the description of the present invention, it should be understood that terms such as "end", "upper", "lower", "side", "top", "bottom", "length", "inside", and "surface" indicating orientation or positional relationship are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the components or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as limitations on the present invention.

[0028] When using an electrosurgical cutting ring head for surgery, a corresponding resectoscope is required. When the head is extended, the position of the lesion and the position of the head can be seen through the image fed back by the resectoscope lens. When the head reaches the lesion, the surgical operation can be performed. Currently, the U-shaped tube connecting the two steel pipes of the same type of electrosurgical cutting ring heads on the market is in the middle of the head. When the head extends out of the resectoscope, the U-shaped tube will block part of the image, causing inconvenience to the operation. Based on this, this embodiment provides an electrosurgical cutting ring head.

[0029] See also Figure 1 and Figure 2As shown, the electric cutting ring cutter head comprises an electrode wire 5, a pair of cutter head steel tubes 2 and a pair of outer steel tubes 3. The electrode wire 5 is bent into a "U"-shaped structure, and the pair of cutter head steel tubes 2 are respectively sleeved on both sides of the electrode wire 5. Among them, the circumference of the electrode wire 5 is sleeved with a first insulating sleeve 6 near the two ends, and the cutter head steel tube 2 is sleeved at the first insulating sleeve 6 to achieve an insulated connection between the cutter head steel tube 2 and the electrode wire 5.

[0030] A pair of cutter head steel tubes 2 and a pair of outer steel tubes 3 correspond to each other in the axial direction, and the cutter head steel tubes 2 and the outer steel tubes 3 are fixedly connected by a pair of support members 1. One end of the support member 1 is fixedly connected to the circumference of the cutter head steel tube 2 by welding, and the other end of the support member 1 extends into the outer steel tube 3, and the outer steel tube 3 and the support member 1 are tightly fixed by crimping.

[0031] In this example, see Figure 1-Figure 4 As shown, a pair of cutter head steel pipes 2 are connected by a U-shaped pipe 4. The U-shaped pipe 4 is arranged parallel to the pair of cutter head steel pipes 2. The two ends of the U-shaped pipe 4 are respectively welded and fixed to the circumference of the two cutter head steel pipes 2.

[0032] The U-shaped tube 4 and the support member 1 are respectively arranged on opposite sides of the cutter head steel tube 2. During the operation, it is equivalent to that the support member 1 is located above the cutter head and the U-shaped tube is located below the cutter head.

[0033] In a preferred implementation of this embodiment, please refer to Figure 5 and Figure 6 As shown, the bent end of the U-shaped tube 4 extends to the outer steel tube 3, and the circumferential side of the U-shaped tube 4 not connected to the cutter head steel tube 2 is sleeved with a second insulating sleeve 7 to achieve insulation between the U-shaped tube 4 and the outer steel tube 3.

[0034] In summary, in this embodiment, a pair of blade steel tubes 2 are connected by designing a U-shaped tube 4. The U-shaped tube 4 is located below the blade steel tube 2 and is parallel to the blade steel tube 2. When the blade extends out of the resectoscope, the U-shaped tube 4 will not block the field of vision, which is convenient for the doctor to operate.

[0035] In the description of this specification, the description with reference to the terms "one embodiment", "example", "specific example", etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0036] The preferred embodiments of the utility model disclosed above are only used to help explain the utility model. The preferred embodiments do not describe all the details in detail, nor do they limit the utility model to the specific implementation methods described. Obviously, many modifications and changes can be made according to the content of this specification. This specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the utility model, so that technicians in the relevant technical field can well understand and use the utility model. The utility model is limited only by the claims and their full scope and equivalents.

Claims

1. An electric cutting ring cutter head, characterized in that: It comprises an electrode wire (5), a pair of cutter head steel tubes (2) and a pair of outer steel tubes (3); The electrode wire (5) is bent into a "U"-shaped structure, and a pair of the cutter head steel tubes (2) are respectively sleeved on both sides of the electrode wire (5); the pair of the cutter head steel tubes (2) and the pair of the outer steel tubes (3) correspond to each other in the axial direction, and the cutter head steel tubes (2) and the outer steel tubes (3) are fixedly connected; A pair of the cutter head steel pipes (2) are connected via a U-shaped pipe (4), the U-shaped pipe (4) is arranged in parallel with the pair of the cutter head steel pipes (2), and the two ends of the U-shaped pipe (4) are respectively fixedly connected to the circumferential sides of the two cutter head steel pipes (2).

2. The electric cutting ring cutter head according to claim 1, characterized in that: It also includes a pair of support members (1), one end of the support member (1) is fixedly connected to the peripheral side of the cutter head steel tube (2), and the other end of the support member (1) is fixedly connected to the inner wall of the outer steel tube (3).

3. The electric cutting ring cutter head according to claim 2, characterized in that: The U-shaped tube (4) and the support member (1) are arranged on opposite sides of the cutter head steel tube (2).

4. The electric cutting ring cutter head according to claim 1, characterized in that: A first insulating sleeve (6) is sleeved on the circumferential side of the electrode wire (5) near the cutter head steel tube (2) and inside the cutter head steel tube (2).

5. The electric cutting ring cutter head according to claim 1, characterized in that: The U-shaped tube (4) extends to the outer steel tube (3), and a second insulating sleeve (7) is sleeved on the circumferential side of the U-shaped tube (4) at a portion not connected to the cutter head steel tube (2).

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