阅读说明：本技术 一种膀胱癌切瘤手术用等离子电极 (Plasma electrode for bladder cancer tumor cutting operation ) 是由 孙圣坤 何成东 曹正国 于 2021-09-02 设计创作，主要内容包括：本发明公开了一种膀胱癌切瘤手术用等离子电极,包括电极刀头以及电极杆,所述电极杆包括两个及其以上接触连接的管状电极单元；每一个所述管状电极单元靠近电极刀头的一端设置电极延伸部；同时若干电极延伸部,一端在电极刀头处汇聚,并且与电极刀头焊接连接形成增强部；另一端分别通过一根导线连接电极主机。本发明的膀胱癌切瘤手术用等离子电极,加强了电极刀头强度并增大了手术时电极刀头与膀胱肿瘤的接触面积,使得在膀胱肿瘤手术中翻转使用面积增加,止血效能得到,提高了膀胱肿瘤切除效率,并且增强其使用寿命以及实用性。(The invention discloses a plasma electrode for bladder cancer tumor-cutting operation, which comprises an electrode tool bit and an electrode rod, wherein the electrode rod comprises two or more tubular electrode units which are in contact connection; one end of each tubular electrode unit, which is close to the electrode tool bit, is provided with an electrode extension part; meanwhile, one ends of the electrode extending parts are converged at the electrode tool bit and are welded with the electrode tool bit to form a reinforcing part; the other ends are respectively connected with the electrode host through a lead. The plasma electrode for the bladder cancer tumor resection operation strengthens the strength of the electrode cutter head and increases the contact area of the electrode cutter head and the bladder tumor during the operation, so that the turnover use area is increased in the bladder tumor operation, the hemostatic efficiency is obtained, the bladder tumor resection efficiency is improved, and the service life and the practicability of the electrode are enhanced.)

1. A plasma electrode for bladder cancer tumor-cutting operation comprises an electrode tool bit (1) and an electrode rod (2), wherein the electrode rod (2) comprises two or more tubular electrode units (21) which are in contact connection; the method is characterized in that:

one end of each tubular electrode unit (21) close to the electrode tool bit (1) is provided with an electrode extension part (3);

meanwhile, one ends of the plurality of electrode extension parts (3) are converged at the electrode tool bit (1) and are welded and connected with the electrode tool bit (1) to form a reinforcing part (11); the other ends are respectively connected with the electrode host through a lead (8).

2. The plasma electrode of claim 1, wherein:

the cross section of the reinforcing part (11) forms an ellipse-like or disc-shaped or polygonal structure.

3. The plasma electrode of claim 1, wherein:

and a first insulating layer (5) is arranged on the outer side of one end of each electrode extension part (3) close to the reinforcing part (11).

4. The plasma electrode of claim 3, wherein:

a steel pipe (7) is sleeved outside one end of each electrode extension part (3) close to the lead (8);

and a second insulating layer (6) is arranged between the steel pipe (7) and the inner wall of the tubular electrode unit (21);

and the outer wall of one end of the second insulating layer (6) is fixedly connected with the corresponding tubular electrode unit (21), the inner wall of the end is sleeved outside the steel pipe (7) and the lead (8), and the inner wall of the other end extends to the outside of the first insulating layer (5).

5. The plasma electrode of claim 4, wherein:

a third insulating layer (9) is further arranged at the end part, close to the outer side of the electrode tool bit (1), of the first insulating layer (5) and on the second insulating layer (6);

the third insulating layer (9) extends close to the electrode cutter head (1).

6. The plasma electrode of claim 1, wherein:

and a plurality of tubular electrode units (21) which are connected together by laser welding to serve as cathode electrodes and are externally provided with a fourth insulating layer (10).

7. The plasma electrode of claim 1, wherein:

one end of each electrode extension part (3) close to the electrode tool bit (1) is provided with at least one bending part (31).

8. The plasma electrode of claim 7, wherein:

the bending angle of each bending part (31) is 75-105 degrees.

9. The plasma electrode of claim 8, wherein:

the number of the bending parts (31) is 2-5, and the bending direction is far away from or close to the electrode tool bit (1).

10. The plasma electrode of any of claims 1 to 9, wherein:

the number of the tubular electrode units (21) is 2-4.

11. The plasma electrode of any of claims 1 to 9, wherein:

the outer side surface of the electrode tool bit (1) is of a plane structure and a plane-like curved surface structure.

12. The plasma electrode of claim 11, wherein: the electrode tool bit (1) has a bending angle a relative to the reinforcing part (11), and the bending angle is 84-92 degrees.

Technical Field

The invention relates to the technical field of medical plasma surgical instruments, in particular to a plasma electrode for bladder cancer tumor cutting surgery.

Background

50% bladder tumor is located the bladder lateral wall, the probability that excise lateral wall tumor obturator nerve reflex to take place is very high at present, it is very easy to cause bladder perforation, hemorrhage, pelvic organ injury, tumor cell dissemination, tumor excision incompletely etc., the apparatus function singleness that the present excision used, the structure is not fine enough, there is not the separation function, lead to excising the inefficiency, there is not effective method completely to eliminate the obturator nerve reflex of electrosection process at present temporarily, based on this, it is necessary to design a novel bladder cancer to cut tumour operation and use the plasma electrode.

CN212089714U among the prior art, a preceding formula plasma needle electrode for transurethral bladder tumor enucleation discloses preceding formula plasma needle electrode includes two electrode bars and electrode tool bit, two the electrode bar tail end is connected with the power connecting wire, the head end with the electrode tool bit is connected, the electrode tool bit includes vertical section and horizontal section, vertical section include two bottoms respectively with two vertical electrode that the electrode bar is connected, two the top of vertical electrode is bent towards the head end and is formed horizontal section, two electrodes of horizontal section are kneaded into the needle-like at the head end. The utility model discloses a through put bipolar electrode shape in the improvement plasma, be about to the electrode point and hold between the fingers synthetic needle-like, electrode rod and excision position distance have been guaranteed to 2 mm's of needle electrode length, do not shelter from the operation field of vision, have guaranteed the accuracy of cutting. Two 80-degree folding angles are formed between the tip of the needle-shaped electrode and the electrode main body, so that the tip of the electrode protrudes forwards from the straight line where the electrode rod is located, cauliflower-shaped tumor tissues can be picked up in the tumor cutting process, and accurate cutting is realized. The electrodes only have different tip electrode shapes, can be adapted to clinical PK, SP hosts, endoscopes and motors, and can cut bladder tumors by an enucleation mode.

The electrode with the shape is a needle electrode which can be inserted into a mucous membrane layer of the bladder, and layered cutting can be effectively realized; due to the existence of two 80-degree folding angles, the operation of picking and cutting can be realized in the operation after the electrode is inserted into the mucosa, bladder tumors are effectively avoided, and accurate and efficient enucleation is realized.

However, when the needle electrode is used, firstly, the needle electrode is of a cylindrical structure, a plasma cutting thin layer formed on the side surface of the needle electrode is small in area and relatively weak in strength, bladder tumors are difficult to be effectively cut, secondly, the needle electrode is easy to deform and bend after being used for a period of time, and the cutting effect and the service life of the needle electrode are very easily influenced.

Disclosure of Invention

In order to overcome the defects of the prior art, the invention provides the plasma electrode for the bladder cancer tumor cutting operation, which is convenient for realizing the cutting and separating functions during the operation, enhances the strength of the electrode tool bit, increases the contact area between the electrode tool bit and the bladder tumor during the operation, increases the turnover use area during the bladder tumor operation, obtains the hemostatic efficiency, improves the bladder tumor resection efficiency, and enhances the service life and the practicability.

The technical scheme adopted by the invention is as follows: a plasma electrode for bladder cancer tumor-cutting operation comprises an electrode tool bit and an electrode rod, wherein the electrode rod comprises two or more tubular electrode units which are in contact connection;

one end of each tubular electrode unit, which is close to the electrode tool bit, is provided with an electrode extension part;

meanwhile, one ends of the electrode extending parts are converged at the electrode tool bit and are welded with the electrode tool bit to form a reinforcing part; the other end is connected with the electrode host through a lead respectively, thereby obtaining the radio frequency energy for the electrode cutter head.

Further, the cross-section of the reinforcement part forms an ellipse-like or disc-shaped or polygonal structure.

Furthermore, a first insulating layer is arranged on the outer side of one end, close to the reinforcing part, of each electrode extension part.

Furthermore, a steel pipe is sleeved outside one end, close to the lead, of each electrode extension part;

and a second insulating layer is arranged between the steel pipe and the inner wall of the tubular electrode unit;

and the outer wall of one end of the second insulating layer is fixedly connected with the corresponding tubular electrode unit, the inner wall of the end is sleeved outside the steel pipe and the lead, and the inner wall of the other end extends to the outer side of the first insulating layer.

Furthermore, a third insulating layer is further arranged at the end part, close to the outer side of the electrode cutter head, of the second insulating layer on the first insulating layer;

the third insulating layer extends adjacent to the electrode tip.

Furthermore, a plurality of the tubular electrode units are connected through laser welding to serve as cathode electrodes, and a fourth insulating layer is arranged outside.

Furthermore, one end of each electrode extension part, which is close to the electrode tool bit, is provided with at least one bending part.

Furthermore, the bending angle of each bending part is 75-105 degrees, and the bending length of the bending part is generally 1-3 mm.

Furthermore, the number of the bending parts is 2-5, and the bending direction is far away from or close to the electrode tool bit.

Furthermore, the outer side surface of the electrode tool bit is of a plane structure and a plane-like curved surface structure.

Further, the number of the tubular electrode units is 2-4.

Further, the electrode tool bit has a bending angle a relative to the reinforcing part, and the bending angle is 84-92 degrees.

Compared with the prior art, the invention has the beneficial effects that:

1. the product structure is meticulous, and the function is comprehensive, the flexibility. .

2. The operation is simple, the cutting and the separation are convenient to realize during the operation, and the operation time is shortened.

3. The cutter head position has set up the reinforcing part that a plurality of tubulose electrode unit and electrode cutter head assembled the welding, has strengthened electrode cutter head's intensity to the area of contact of operation has been increased, to the promotion of blood efficiency, the meaning is great in the operation.

4. Welding and the parcel of insulating layer of the steel pipe of electrode pole, the better stability electrode tool bit placed in the middle of having stabilized, promoted to the stability of going the apparatus to some extent.

In conclusion, the plasma electrode for the bladder cancer tumor resection operation, disclosed by the invention, has the advantages that the strength of the electrode tool bit is enhanced, the contact area between the electrode tool bit and a bladder tumor during the operation is increased, the turnover use area is increased in the bladder tumor operation, the hemostatic efficiency is obtained, the bladder tumor resection efficiency is improved, and the service life and the practicability of the electrode are enhanced.

Drawings

FIG. 1 is a block diagram of one embodiment of a plasma electrode for use in bladder cancer tumor resection surgery;

FIG. 2 is an enlarged view at A of the embodiment of FIG. 1;

FIG. 3 is a view from the direction B of FIG. 2;

FIG. 4 is a cut-away enlarged view at B of FIG. 1;

FIG. 5 is a block diagram of another embodiment of a plasma electrode for use in bladder cancer tumor resection surgery;

wherein: 1-electrode tool bit, 11-reinforcing part; 2-electrode rod, 21-tubular electrode unit; 3-electrode extension, 31-bend; 4-electrode working surface, 5-first insulating layer, 6-second insulating layer, 7-steel pipe, 8-wire, 9-third insulating layer, 10-fourth insulating layer.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the combination or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, are not to be construed as limiting the present invention. In addition, in the description process of the embodiment of the present invention, the positional relationships of the devices such as "upper", "lower", "front", "rear", "left", "right", and the like in all the drawings are based on fig. 1.

As shown in figure 1, the plasma electrode for the bladder cancer tumor-cutting operation comprises an electrode bit 1 and an electrode rod 2, wherein the electrode rod 2 comprises two or more tubular electrode units 21 which are in contact connection;

one end of each tubular electrode unit 21 close to the electrode tool bit 1 is provided with an electrode extension part 3;

meanwhile, one ends of the electrode extension parts 3 are converged at the electrode tool bit 1 and are welded with the electrode tool bit 1 to form a reinforcing part 11; the other ends of the two electrodes are respectively connected with an electrode main machine through a conducting wire 8, so that radio frequency energy is obtained for the electrode tool bit, and a plasma thin layer is formed on the electrode working surface 4 of the electrode tool bit 1 for cutting (as shown in figures 1 and 3).

The plasma electrode scalpel is used for bladder tumor excision operation, a handle cable is inserted into a plasma host, the host provides radio frequency energy, the operation environment is excision operation performed in a normal saline environment, a plasma thin layer can be formed on a blade head working area blade surface, the thin layer can cut off tumors, the tumors on a bladder wall are integrally attached to the bladder wall, the tumors cannot be cut off completely like sickles during operation, the blade head blade surface can cut along the tumor edge one by one, the tumors can shield a cutting route in the process, a triangular area of the blade head is required to push the tumors at the moment, and the visual field of the tumors in a region to be cut is obtained. During operation, the endoscope is used for performing operation, and the structure of the cutter head is also small, so that the triangular area is designed to enhance the strength of the cutter head.

As shown in fig. 2 and 3, the cross section of the reinforcing part 11 of the plasma electrode forms an ellipse-like or disc-like or polygonal structure, which is commonly a triangle, a quadrangle, a pentagon, etc., thereby further enhancing the strength of the electrode tip connection.

The first insulating layer 5 is arranged on the outer side of one end of each electrode extension 3 close to the reinforcing part 11 from the attached figure 1, so that the electrode extensions 3 are protected from electric leakage.

As can be seen from the enlarged view of fig. 4, a steel tube 7 is sleeved outside one end of each electrode extension 3 of the plasma electrode, which is close to the lead 8;

and a second insulating layer 6 is arranged between the steel pipe 7 and the inner wall of the tubular electrode unit 21;

the outer wall of one end of the second insulating layer 6 is fixedly connected with the corresponding tubular electrode unit 21, the inner wall of the end is sleeved outside the steel pipe 7 and the lead wire 8, the inner wall of the other end extends to the outer side of the first insulating layer 5, and on the basis of improving the anti-creeping protection capability of the electrode extension part, high-efficiency radio frequency connection with an electrode host machine is realized, so that a high-density and high-strength plasma thin layer is formed on the blade surface of the electrode cutter head.

As can also be seen from fig. 4, the end of the first insulating layer 5 of the plasma electrode, which is close to the second insulating layer 6 outside the electrode tip 1, is also provided with a third insulating layer 9;

the third insulating layer 9 extends to be close to the electrode tool bit 1, so that the electrode tool bit 1 is further limited, and the electrode extending part 3 is prevented from being broken down.

As can be seen from fig. 1 to 4, a plurality of the tubular electrode units 21 are connected together by laser welding to serve as cathode electrodes, and a fourth insulating layer 10 is externally disposed to ensure good centering performance of the head electronic cutting head 1, so as to ensure accurate cutting performance of the electrode cutting head.

As shown in fig. 2 and 3, one end of each electrode extension 3, which is close to the electrode bit 1, is provided with at least one bending portion 31, and the bending portion 31 is used to further enhance the use strength of the enhancing portion of the entire plasma electrode, and is used to improve the receptivity of the sensible thrust of the bladder tumor during the excision process, thereby improving the service life of the entire plasma electrode. In a more preferable embodiment, the bending angle of each bending portion 31 is 75 degrees to 105 degrees, and the bending length of the bending portion is generally 1 mm to 3mm, so that the better push-pull strength can be ensured.

The number of the bending parts 31 of the plasma electrode is 2-5, the bending direction is far away from or close to the electrode tool bit 1, the design is convenient for expanding the visual field of a doctor for observing bladder tumors during surgical cutting, the simplicity and operability of the operation are improved, the operation time can be saved, and the operation pain of a patient is relieved.

As can be seen from fig. 1 and 5, the number of the tubular electrode units 21 of the plasma electrode is 2-4, which has better use effect.

As can be seen from fig. 1, the outer side surface of the electrode tip 1 is a planar structure and a plane-like curved structure, and the specific planar structure may be a triangular structure, a quadrilateral structure, and other polygonal structures and a polygon-like structure, which are all convenient for the electrode to form a rectangular plasma cutting thin layer on the outer side surface, and the plane-like curved structure is a whole shape solving plane, but may have local recesses or protrusions, and the purpose or source of the local recesses or protrusions may be gripping and reinforcing, and may also enhance the cutting strength of the electrode tip, and finally improve the cutting ability thereof. More preferably, the electrode tip 1 has a bending angle a of 84 to 92 degrees with respect to the reinforcing part 11, which can further improve the operation field of view of the electrode tip during use, thereby improving the usability of the electrode tip, and when the bending angle is any of 84, 85, 86, 87, 88, 90, 91, or 84.6, 88.8, etc., the field of view and the strength design of the electrode tip can be considered at the same time.

The embodiments of the present invention are disclosed as the preferred embodiments, but not limited thereto, and those skilled in the art can easily understand the spirit of the present invention and make various extensions and changes without departing from the spirit of the present invention.