CN215534966U - Tool bit and plasma scalpel of plasma scalpel - Google Patents
Tool bit and plasma scalpel of plasma scalpel Download PDFInfo
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- CN215534966U CN215534966U CN202121312770.1U CN202121312770U CN215534966U CN 215534966 U CN215534966 U CN 215534966U CN 202121312770 U CN202121312770 U CN 202121312770U CN 215534966 U CN215534966 U CN 215534966U
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Abstract
The embodiment of the utility model discloses a cutter head of a plasma scalpel and the plasma scalpel, wherein the cutter head comprises an electrode, a first insulating structure and a cutter body, the electrode comprises a first electrode structure and a second electrode structure which are connected with each other, and the outer diameter of the second electrode structure is smaller than that of the first electrode structure; the electrode structure comprises a first electrode structure, a cutter body, a second electrode structure, a first insulation structure, a second insulation structure, a first insulation structure and a second insulation structure, wherein the two ends of the first insulation structure are respectively abutted against the first electrode structure and the cutter body, the second insulation structure is arranged between the cutter body and the second electrode structure, one end of the second insulation structure is abutted against the first insulation structure, and the first insulation structure is in smooth transition with the outer surface of the joint of the first electrode structure and the cutter body. According to the cutter head of the plasma scalpel and the plasma scalpel, provided by the embodiment of the utility model, as the outer surface of the joint of the first insulating structure, the first electrode structure and the cutter body is in smooth transition, a puncture needle is not easy to hang during operation, the operation is smooth, and the safety and the reliability are better.
Description
Technical Field
The embodiment of the utility model relates to the technical field of medical instruments, in particular to a cutter head of a plasma scalpel and the plasma scalpel.
Background
The low-temperature plasma scalpel is widely applied at home and abroad in recent years, has proved to have good effect, and has the characteristics of high safety, short operation time, small wound and quick response. In the percutaneous puncture operation, in order to obtain better treatment effect for smaller wound, the puncture needle can be used in cooperation with the puncture needle, and the target spot ablation is adopted for operation.
In the prior art, as shown in fig. 1, in a plasma scalpel structure for percutaneous puncture surgery, S1 is an electrode, S2 is an insulating structural member, S3 is a knife body, an insulating structural member S2 is sleeved outside the electrode and used for insulation between the electrode S1 and the knife body S3, the insulating structural member S2 extends from a contact surface with a flat end of the electrode S1 to the inside of a handle along with the knife body S3, the outer diameter of the insulating structural member is limited by the structural characteristics to be smaller than the inner diameter of the knife body, so that a step can be formed between the knife body and the electrode, and in the percutaneous puncture surgery, because the insulating structural member is required to be used in combination with a puncture needle, the needle is easily hung at the step, the knife head is damaged, the surgery is interrupted, and certain potential safety hazards are created.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a plasma scalpel, which aims to solve the problems of unsmooth operation and potential safety hazard in the prior art.
In order to achieve the above object, an embodiment of the present invention provides a blade head of a plasma scalpel, including an electrode, a first insulating structure, a second insulating structure, and a blade body; the electrode comprises a first electrode structure and a second electrode structure which are connected with each other, and the outer diameter of the second electrode structure is smaller than that of the first electrode structure; the two ends of the first insulation structure are respectively abutted to the first electrode structure and the cutter body, a second insulation structure is arranged between the cutter body and the second electrode structure, and one end of the second insulation structure is abutted to the first insulation structure.
As a preferred embodiment of the present application, the first insulating structure is in smooth transition with the junction of the first electrode structure and the cutter body.
As a preferred embodiment of the present application, the first insulating structure is in smooth transition with an outer surface of a joint of the first electrode structure and the cutter body.
As a preferred embodiment of the present application, the cross-sections of the first electrode structure, the second electrode structure, the first insulating structure, and the cutter body are all circular.
As a preferred embodiment of the present application, an insulating layer is disposed on an outer surface of the cutter body, and an exposed section of the insulating layer is disposed on an outer surface of one end of the cutter body close to the first insulating structure.
As a preferred embodiment of the present application, an outer surface area of the exposed section of the cutter body is not smaller than an outer surface area of the first electrode structure.
As a preferred embodiment of the present application, a groove is formed on an inner wall of one end of the first insulating structure, which is close to the cutter body, and one end of the second insulating structure is inserted into the groove and abuts against the first insulating structure.
As a preferred embodiment of the present application, an outer surface of an end portion of the first electrode structure, which is far away from the first insulating structure, is one of a circular arc-shaped structure, a conical structure, and a top-shaped structure.
As a preferred embodiment of the present application, the first insulating structure is made of a ceramic material.
In addition, the utility model also provides a plasma scalpel, which comprises an electric signal transmission structure, a connector and the scalpel head; the electric signal transmission structure is characterized in that two ends of the electric signal transmission structure are respectively connected with the connector and the tool bit, and a holding structure is arranged on the periphery of the joint of the electric signal transmission structure and the tool bit.
The utility model has the beneficial effects that:
compared with the prior art, the cutter head of the plasma scalpel and the plasma scalpel provided by the embodiment of the utility model have the advantages that the outer surface of the joint of the first insulating structure, the first electrode structure and the scalpel body is in smooth transition, so that a puncture needle is not easy to hang during operation, the operation is smooth, and the safety and the reliability are better.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed for the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
FIG. 1 is a schematic view of a prior art blade configuration of a plasma scalpel;
FIG. 2 is a schematic structural diagram of a plasma scalpel provided in the embodiment of the present invention;
fig. 3 is an enlarged partial sectional view a of fig. 2.
The attached drawings are as follows:
s1-electrode, S2-insulating structural component, S3-knife body, 1-holding structure, 2-electric signal transmission structure, 3-connector, 4-electrode, 5-first insulating structure, 6-second insulating structure, 7-knife body, 8-insulating layer, 9-groove, 41-first electrode structure and 42-second electrode structure. 7 a-the exposed section of the cutter body.
Detailed Description
In order to make the technical problems, technical solutions and advantageous effects to be solved by the present invention more clearly apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.
It should be noted that, for the convenience of description, only a part of the structure related to the present invention is shown in the drawings, not the whole structure.
In a preferred embodiment of the present invention, as shown in fig. 2-3, there is provided a plasma scalpel head comprising an electrode 4, a first insulating structure 5, a second insulating structure 6 and a blade body 7; the electrode 4 comprises a first electrode structure 41 and a second electrode structure 42 which are connected into a whole, and the outer diameter of the second electrode structure 42 is smaller than that of the first electrode structure 41; the two ends of the first insulating structure 5 are respectively abutted against the first electrode structure 41 and the cutter body 7, preferably, the first insulating structure 5 and the cutter body 7 are fixed by bonding, or may be fixed by clamping, and the like, the first insulating structure 5 and the cutter body 7 are respectively arranged on the periphery of the second electrode structure 42, the second insulating structure 6 is arranged between the cutter body 7 and the second electrode structure 42, and one end of the second insulating structure 6 is abutted against the first insulating structure 5. In the embodiment of the present application, the first insulating structure 5 has a smooth transition with the outer surface of the joint of the first electrode structure 41 and the cutter body 7.
Owing to be provided with first insulation structure 5, and be smooth transition at the surface of first insulation structure 5 and first electrode structure and cutter body 7 junction, so when using the tool bit, the pjncture needle can not be lived by hanging in first insulation structure 5 department, and is more smooth and easy when cooperation pjncture needle is used and is performed the operation to patient's focus tissue, can guarantee going on smoothly of operation, has improved operation efficiency, is difficult for causing the damage of tool bit position to and make the emergence of operation interruption phenomenon, the potential safety hazard has been eliminated.
In a preferred embodiment of the present invention, the cross-sections of the first electrode structure 41, the second electrode structure 42, the first insulating structure 5 and the tool body 7 are circular.
In a preferred embodiment of the present invention, the outer surface of the cutter body 7 is provided with an insulating layer 8, and the outer surface of the cutter body 7 near one end of the first insulating structure 5 is provided with an exposed section 7a of the insulating layer. That is, the outer surface of the exposed section 7a of the insulating layer is not provided with the insulating layer, so that the electrode and the cutter body form a current loop, and normal conduction between the electrode 4 and the cutter body 7 is ensured. In the prior art, the cutter body 7 of the percutaneous puncture plasma scalpel is generally not protected by insulation, and is easy to hurt a patient and a doctor in the operation process.
In a preferred embodiment of the present invention, the outer surface area of the exposed section 7a of the blade body is not smaller than the outer surface area of the first electrode structure 41. This allows the electrode and blade to be looped and precise target ablation to be performed using the first electrode structure 41.
In a preferred embodiment of the present invention, a second insulating structure 6 is provided between the first insulating structure 5 and the second electrode structure 42 inside the blade body 7, to prevent short circuit between the second electrode structure 42 and the blade body 7.
In a preferred embodiment of the present invention, a groove 9 is formed on the inner wall of the first insulating structure 5 near one end of the cutter body 7, the second insulating structure 6 near one end of the first insulating structure 5 is inserted into the groove 9, and the groove 9 is preferably an annular groove. The annular groove 9 is formed in the first insulating structure 5 close to one end of the cutter body 7, one end of the second insulating structure 6 can be assembled in the annular groove 9, the assembling efficiency of a product can be improved, the reliability of the product can be improved, the second insulating structure 6 is assembled more firmly and reliably, and short circuit between the cutter body 7 and the second electrode structure 42 at the joint of the first insulating structure 5 and the cutter body 7 is avoided.
In a preferred embodiment of the present invention, an outer surface of an end portion of the first electrode structure 41 away from the first insulating structure 5 is one of a circular arc structure, a cone shape, and a gyro shape.
In a preferred embodiment of the utility model, the outer surface of the first electrode structure 41, the outer surface of the first insulating structure 5 and the outer surface of the tool body 7 are flush with each other.
In a preferred embodiment of the present invention, the first electrode structure 41, the first insulating structure 5 and the cutter body 7 are flush with each other in the abutting outer surface positions, so that the cutter head is convenient to machine and assemble and has an attractive appearance.
In a preferred embodiment of the present invention, the first insulating structure is made of a ceramic material, and the ceramic material has the advantages of temperature resistance, insulation, wear resistance and firmness, so that the performance of the tool bit can be greatly improved.
In addition, the utility model also provides a plasma scalpel, which comprises an electric signal transmission structure 2, a connector 3 and the scalpel head, wherein two ends of the electric signal transmission structure 2 are respectively connected with the connector 3 and the scalpel head, a holding structure 1 is arranged on the periphery of the connection part of the electric signal transmission structure 2 and the scalpel head, one end of a scalpel body 7, far away from a first electrode structure 41, extends into the holding structure 1 for fixation,
one end of the electric signal transmission structure 2 extends into the holding structure 1 and is connected with the second electrode structure 42 and the cutter body 7 respectively, and the other end of the electric signal transmission structure is connected with the connector 3. The connector 3 is arranged, so that the connection with external equipment is facilitated, and the use is convenient. The electric signal transmission structure 2 preferably adopts a medical cable.
When the plasma scalpel works, an operator holds the holding structure 1 by hand, an electric signal of external equipment is received by the connector 3, the electric signal is transmitted to a position between the scalpel body 7 and the electrode structure through the electric signal transmission structure 2 to form plasma, cutting, melting or coagulation hemostasis is carried out on tissues, the design of the first insulating structure 5 is added, so that the outer diameter step between the first insulating structure 5 and the scalpel body 7 is eliminated, the puncture needle can be effectively prevented from being hung, the insulating layer 8 of the scalpel body 7 can prevent the electric leakage phenomenon in the operation process, the nerve of a patient is prevented from being injured, and the injury to the operator is avoided.
The above embodiments and drawings are only for illustrating the technical solutions of the present invention and do not limit the present invention. It should be noted that, a person skilled in the art may modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for part or all of the technical features, and such modifications or substitutions are included in the scope of the claims of the present invention.
Claims (9)
1. The cutter head of the plasma scalpel is characterized by comprising an electrode, a first insulating structure, a second insulating structure and a cutter body;
the electrode comprises a first electrode structure and a second electrode structure which are connected with each other, and the outer diameter of the second electrode structure is smaller than that of the first electrode structure; the two ends of the first insulation structure are respectively abutted to the first electrode structure and the cutter body, a second insulation structure is arranged between the cutter body and the second electrode structure, and one end of the second insulation structure is abutted to the first insulation structure.
2. The plasma scalpel head of claim 1, wherein the first insulating structure has a groove on an inner wall thereof near one end of the scalpel body, and one end of the second insulating structure is inserted into the groove and abuts against the first insulating structure.
3. The plasma scalpel head of claim 1, wherein the first insulating structure is in smooth transition with the junction of the first electrode structure and the blade body.
4. The plasma scalpel head of claim 1, wherein the first electrode structure, the second electrode structure, the first insulating structure, and the blade body are circular in cross-section.
5. The plasma scalpel head of any one of claims 1 to 4, wherein the outer surface of the scalpel body is provided with an insulating layer, and the outer surface of the scalpel body at an end adjacent to the first insulating structure has an exposed section of the insulating layer.
6. The plasma scalpel head of claim 5, wherein the exposed section of the insulating layer has an outer surface area that is no less than an outer surface area of the first electrode structure.
7. The plasma scalpel head of claim 1, wherein the outer surface of the end of the first electrode structure distal from the first insulating structure is one of a rounded structure, a cone, and a top.
8. The plasma surgical knife head according to any of claims 1 to 7, wherein the first insulating structure is made of a ceramic material.
9. A plasma scalpel comprising an electrical signal transmission structure, a connector and a cutting head according to any one of claims 1 to 8; the electric signal transmission structure is characterized in that two ends of the electric signal transmission structure are respectively connected with the connector and the tool bit, and a holding structure is arranged on the periphery of the joint of the electric signal transmission structure and the tool bit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121312770.1U CN215534966U (en) | 2021-06-11 | 2021-06-11 | Tool bit and plasma scalpel of plasma scalpel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121312770.1U CN215534966U (en) | 2021-06-11 | 2021-06-11 | Tool bit and plasma scalpel of plasma scalpel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215534966U true CN215534966U (en) | 2022-01-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121312770.1U Active CN215534966U (en) | 2021-06-11 | 2021-06-11 | Tool bit and plasma scalpel of plasma scalpel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215534966U (en) |
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2021
- 2021-06-11 CN CN202121312770.1U patent/CN215534966U/en active Active
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