Dredging device for plasma scalpel and plasma scalpel thereof

By designing a dredging device for plasma scalpels, the combination of pressurized conveying mechanism and adapter is used to solve the problem of negative pressure tube blockage, achieving a fast, simple and low-cost dredging effect, ensuring the continuity and safety of the operation.

CN222787850UActive Publication Date: 2025-04-25AFFILIATED HOSPITAL OF JINING MEDICAL UNIV
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Patent Information

Application Number
CN202421172577.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-05-27
Publication Date
2025-04-25
Estimated Expiration
2034-05-27

AI Technical Summary

Technical Problem

Plasma scalpel is prone to blockage of negative pressure tube during use, resulting in interruption of water circulation and affecting the surgical process. The prior art lacks a convenient, fast and low-cost solution.

Method used

A dredging device including a pressurized conveying mechanism and an adapter is designed. The dredging liquid is pumped into the negative pressure tube through a piston syringe, and the blockage is reversely pulsed with the liquid pressure.

Benefits of technology

It realizes rapid unblocking of negative pressure tubes, which is simple and fast, low cost and strong operability, avoids the risk of damaging the plasma knife and ensures the continuity of the operation.

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Abstract

The dredging device for the plasma scalpel comprises a pressurized conveying mechanism and an adapter, the pressurized conveying mechanism is provided with a containing cavity for storing dredging liquid and a pumping mechanism for pumping the dredging liquid out of the containing cavity, the adapter is provided with two communicated adapter ports, and the adapter ports are communicated with the containing cavity. One adapter is detachably communicated with the outlet of the accommodating cavity, and the other adapter is detachably communicated with the opening of the negative pressure pipe of the plasma scalpel, so that the negative pressure pipe can be quickly dredged, the operation is simple and quick, the cost is low, the operability is high, and the condition that the plasma scalpel is damaged is avoided.
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Description

Technical Field

[0001] The utility model relates to the technical field of plasma scalpels, in particular to a dredging device for a plasma scalpel and the plasma scalpel. Background Art

[0002] Plasma radiofrequency vaporization system, commonly known as plasma knife, plays a role in cutting and coagulation in arthroscopic surgery, greatly improving the efficiency of arthroscopic surgery. However, during use, blockage may occur occasionally, and water circulation cannot be carried out, affecting the progress of the operation. If it is replaced, the patient will suffer financial losses. At present, there is no convenient and fast device to solve this problem. Utility Model Content

[0003] The purpose of the utility model is to provide a clearing device for a plasma scalpel and a plasma scalpel thereof, so as to solve the problems existing in the above-mentioned prior art, and the negative pressure tube can be quickly cleared, which is simple, fast and low-cost, and has strong operability, and will not damage the plasma scalpel.

[0004] To achieve the above-mentioned purpose, the utility model provides the following solution: The utility model provides a dredging device for a plasma scalpel, comprising a pressurized delivery mechanism and an adapter, the pressurized delivery mechanism is provided with a containing chamber for storing dredging liquid, and a pumping mechanism for pumping the dredging liquid out of the containing chamber, the adapter is provided with two interconnected adapter ports, one of the adapter ports is detachably connected to the outlet of the containing chamber, and the other of the adapter ports is detachably connected to the outlet of the negative pressure pipe of the plasma scalpel.

[0005] Preferably, the pressurized delivery mechanism adopts a piston syringe, the accommodating chamber is the inner cavity of the piston syringe, the pumping mechanism is the piston rod of the piston syringe, and the outlet of the piston syringe is detachably connected to the corresponding adapter.

[0006] Preferably, the adapter adopts a three-way valve, which is provided with three valve ports, two of which are respectively interference fit with the outlet of the accommodating chamber and the outlet of the negative pressure pipe, and the other valve port is detachably connected with a plug.

[0007] Preferably, the valve port matched with the blockage is detachably connected to a negative pressure suction mechanism.

[0008] Preferably, an interface detachably connected to the valve port of the three-way valve is provided at the pipe opening of the negative pressure pipe.

[0009] A plasma scalpel is also provided, comprising a scalpel head and a negative pressure tube connected to the scalpel head, wherein the tube mouth of the negative pressure tube is connected to the valve mouth of the three-way valve.

[0010] Compared with the prior art, the utility model has achieved the following technical effects:

[0011] In the specific process of using the plasma scalpel, the plasma scalpel is electrically connected to the high-frequency power supply and the plasma generator, and the built-in negative pressure tube of the plasma scalpel is used to extract the debris and saline generated during the operation. Then, when the negative pressure tube is blocked, the adapter is connected to the accommodating cavity and the pipe mouth of the negative pressure tube, and the pumping mechanism is used to pump the clearing liquid into the negative pressure tube. The clearing liquid uses the liquid pressure to reversely flush the blocked negative pressure tube to complete the subsequent surgical work. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments will be 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 paying creative labor.

[0013] Figure 1 This is a schematic diagram of the connection between the plasma scalpel and the piston syringe of the utility model;

[0014] Among them, 1-plasma scalpel, 2-negative pressure tube, 3-three-way valve, 4-plug, 5-piston syringe, 6-piston rod. DETAILED DESCRIPTION

[0015] 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 in 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.

[0016] The purpose of the utility model is to provide a clearing device for a plasma scalpel and a plasma scalpel thereof, so as to solve the problems existing in the above-mentioned prior art, and the negative pressure tube can be quickly cleared, which is simple, fast and low-cost, and has strong operability, and will not damage the plasma scalpel.

[0017] In order to make the above-mentioned purposes, features and advantages of the present invention more obvious and easy to understand, the present invention is further described in detail below in conjunction with the accompanying drawings and specific implementation methods.

[0018] like Figure 1As shown, this embodiment provides a dredging device for a plasma scalpel, including a pressurized conveying mechanism and an adapter, the pressurized conveying mechanism is provided with a receiving chamber for storing dredging liquid, and a pumping mechanism for pumping the dredging liquid out of the receiving chamber, preferably the dredging liquid is physiological saline, the adapter is provided with two interconnected adapter ports, one adapter port is detachably connected to the outlet of the receiving chamber, and the other adapter port is detachably connected to the pipe mouth of the negative pressure tube 2 of the plasma scalpel 1. In the specific use of the plasma scalpel 1, the plasma scalpel 1 is electrically connected to the high-frequency power supply and the plasma generator, and the negative pressure tube 2 built into the plasma scalpel 1 is used to extract the debris and physiological saline generated during the operation, and then when the negative pressure tube 2 is blocked, the adapter is connected to the pipe mouth of the receiving chamber and the negative pressure tube 2, and the dredging liquid is pumped into the negative pressure tube 2 by the pumping mechanism, and the dredging liquid reversely flushes the blocked negative pressure tube 2 with the help of the liquid pressure to complete the subsequent surgical work.

[0019] As a preferred embodiment of the utility model, the pressurized delivery mechanism uses a piston syringe 5, the accommodating cavity is the inner cavity of the piston syringe 5, preferably the piston syringe 5 uses a 10ml syringe, the pumping mechanism is the piston rod 6 of the piston syringe 5, and the outlet of the piston syringe 5 is detachably connected to the corresponding adapter. If the negative pressure tube 2 is blocked, after the piston syringe 5 extracts a corresponding amount of saline, the piston rod 6 is pushed to reversely flush the blocked negative pressure tube 2 with saline. The use of the piston syringe 5 is simple, fast, low-cost, and highly operable, and will not damage the plasma knife.

[0020] Furthermore, the adapter adopts a three-way valve 3, which is provided with three valve ports, two of which are respectively interference fit with the outlet of the accommodating chamber and the orifice of the negative pressure tube 2. Specifically, the first valve port is plugged into the outlet of the piston syringe 5, and the second valve port is plugged into the orifice of the negative pressure tube 2. The other valve port is detachably connected with a plug 4. When the blockage position is flushed, the plug 4 is connected to another valve port to prevent the saline from flowing out of this valve port. Preferably, the valve port matched with the plug 4 is detachably connected with a negative pressure suction mechanism. After the flushing of the blockage is completed, the plug 4 is removed and connected to the negative pressure suction mechanism to extract the debris and saline generated during the operation. It should be noted that when the negative pressure suction mechanism is working, the valve port matched with the piston syringe 5 is in the state of the plug 4.

[0021] Moreover, an interface that is detachably connected to the valve port of the three-way valve 3 is provided at the pipe mouth of the negative pressure tube 2. The interface is a hard tubular structure, and its cross-section gradually decreases along the negative pressure suction direction so that it can be inserted into the corresponding valve port of the three-way valve 3 and achieve an interference fit.

[0022] Furthermore, a plasma scalpel is provided, including a scalpel head and a negative pressure tube 2 connected to the scalpel head, the tube mouth of the negative pressure tube 2 is connected to the valve mouth of the three-way valve 3, and the valve mouth matched with the plug 4 is detachably connected to a negative pressure suction mechanism. In the specific use of the plasma scalpel 1, the plasma scalpel 1 is electrically connected to the high-frequency power supply and the plasma generator, and the negative pressure tube 2 is connected to the negative pressure suction mechanism to extract the debris and saline generated during the operation. Another valve mouth is detachably connected to the piston syringe 5, and then when the negative pressure tube 2 is blocked, the three-way valve 3 is connected to the piston syringe 5 and the tube mouth of the negative pressure tube 2, and the saline is pumped into the negative pressure tube 2, and the dredging liquid uses the liquid pressure to reversely flush the blocked negative pressure tube 2, so as to complete the subsequent operation.

[0023] Adaptive changes made according to actual needs are all within the protection scope of this utility model.

[0024] It should be noted that it is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or basic features of the present invention. Therefore, no matter from which point of view, the embodiments should be regarded as exemplary and non-restrictive, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims are included in the present invention. Any reference numerals in the claims should not be regarded as limiting the claims involved.

[0025] The present invention uses specific examples to illustrate the principle and implementation of the present invention. The above examples are only used to help understand the method and core idea of ​​the present invention. At the same time, for those skilled in the art, according to the idea of ​​the present invention, there will be changes in the specific implementation and application scope. In summary, the content of this specification should not be understood as limiting the present invention.

Claims

1. A dredging device for a plasma surgical knife, characterized in that: It includes a pressurized conveying mechanism and an adapter. The pressurized conveying mechanism is provided with a containing chamber for storing dredging liquid and a pumping mechanism for pumping the dredging liquid out of the containing chamber. The adapter is provided with two interconnected adapter ports, one of which is detachably connected to the outlet of the containing chamber, and the other of which is detachably connected to the outlet of the negative pressure pipe of the plasma scalpel.

2. The unclogging device for a plasma surgical knife according to claim 1, characterized in that: The pressurized delivery mechanism adopts a piston syringe, the accommodating cavity is the inner cavity of the piston syringe, the pumping mechanism is the piston rod of the piston syringe, and the outlet of the piston syringe is detachably connected to the corresponding adapter.

3. The unclogging device for a plasma surgical knife according to claim 1 or 2, characterized in that: The adapter adopts a three-way valve, which is provided with three valve ports, two of which are respectively interference fit with the outlet of the accommodating chamber and the outlet of the negative pressure pipe, and the other valve port is detachably connected with a plug.

4. The unclogging device for a plasma surgical knife according to claim 3, characterized in that: The valve port matched with the blockage is detachably connected to a negative pressure suction mechanism.

5. The unclogging device for a plasma surgical knife according to claim 4, characterized in that: The negative pressure pipe outlet is provided with an interface which is detachably connected to the valve outlet of the three-way valve.

6. A plasma surgical knife, using the unclogging device according to any one of claims 1 to 5, characterized in that: It comprises a scalpel head and a negative pressure tube connected with the scalpel head, wherein the tube mouth of the negative pressure tube is connected with the valve mouth of the three-way valve.