CN217488837U

CN217488837U - Large-range ablation system capable of injecting liquid medicine

Info

Publication number: CN217488837U
Application number: CN202122619352.3U
Authority: CN
Inventors: 陈刚; 唐淑君
Original assignee: Shanghai Meiweida Medical Technology Co ltd
Current assignee: Shanghai Meiweida Medical Technology Co ltd
Priority date: 2021-10-29
Filing date: 2021-10-29
Publication date: 2022-09-27
Anticipated expiration: 2031-10-29

Abstract

The utility model discloses an injectable liquid medicine melt system on a large scale, including sleeve pipe, ablation electrode, generator, negative plate, water pumping plant, stock solution device, the sleeve pipe front end is provided with the temperature probe, the ablation electrode set up in the intraduct, the hollow structure of sleeve pipe wall for holding liquid flow, the sleeve pipe outer wall is provided with the water filling port, the temperature probe through hug closely the sleeve pipe outer wall the temperature measurement transmission line with water pumping plant is connected, irritate in advance normal saline bag through the water injection pipe, through water pumping plant with the water filling port is connected, by water pumping plant control water injection pipe flow. The utility model discloses in the use, according to the function of temperature regulation water injection, reduced the carbonization in the product use, through melting in-process water injection, can make and melt efficiency higher, the scope is bigger, and same passageway can be used to the medicine injection, has increased the scalability of product, satisfies many-sided demand of patient.

Description

Large-range ablation system capable of injecting liquid medicine

Technical Field

The utility model relates to the field of medical equipment, especially, relate to an injectable liquid medicine melt system that melts on a large scale.

Background

The radio frequency ablation is a new minimally invasive treatment technology for solid tumors which is developed in recent years, can avoid the pain of patients in operation, has the advantages of high curative effect, small wound, small pain, quick recovery, no sequelae, no risk, wide adaptation diseases and the like compared with the traditional treatment, and is praised as a green treatment technology by experts at home and abroad. The existing radio frequency ablation system only has an ablation function and is not suitable for the situations of medicine injection and large-range ablation. The prior art mainly has the following problems: first, the ablation device itself has a single function, requires different devices, and the products of different manufacturers are used in combination, so that the risk of multiple devices in clinical use cannot be reduced by the overall solution. Secondly, the device of multiple manufacturers is adopted in the same operation, so that the cost of the product in clinical use is increased. Thirdly, when the single chemotherapy drug injection passive device is used in clinic, the risk of needle bleeding and focus metastasis exists.

At present, the single ablation technology is limited to be below 4cm generally due to the characteristics of the technology, and the ablation range of more than 5cm needs multi-electrode combined treatment, so that the clinical use cost is greatly increased, and the working difficulty and the working strength of medical workers are also increased.

The Chinese invention patent (application publication No. CN111772776A) discloses a radiofrequency and chemical integrated ablation device, which comprises a transmission catheter, wherein the near end of the transmission catheter is provided with an interface for connecting an ablation tool, the far end of the transmission catheter is provided with a radiofrequency ablation electrode and an injection head, the transmission catheter is internally provided with an electric connector of the radiofrequency ablation electrode and a chemical ablation injection hollow tube, and the radiofrequency ablation and the chemical ablation can be simultaneously realized through the integrated ablation device. The device with the utility model discloses a difference lies in, the device through the setting of injection head and hollow tube, with radiofrequency ablation electrode and chemical ablation pipe way set together, aims at accomplishing the radio frequency ablation and chemical ablation two-step operation through one set of device. The utility model has the advantages of through the setting of cavity sleeve pipe, to melting regional injection normal saline at the in-process that the radio frequency melts, the monitoring melts regional physiological index with improving, is to the optimization and the improvement of radio frequency melting device.

The Chinese patent (CN112957122A) discloses a radio frequency ablation device, which comprises a sleeve unit, a radio frequency ablation assembly and a liquid supply assembly, wherein the sleeve unit is an inner pipe and an outer pipe which are nested inside and outside, a cavity is formed between the inner pipe and the outer pipe, a through hole is formed in the side wall of the cavity, the radio frequency ablation assembly comprises an electrode needle, the liquid supply assembly comprises a liquid storage unit and a heating unit, and liquid in the liquid storage unit is heated. The device with the utility model discloses a difference lies in, and the device adopts the mode that manual operation supplied liquid device, melts the in-process at the radio frequency and pours into liquid into to melting the region to it is suitable to establish the liquid temperature that heating unit ensured to add specially. The utility model discloses a system design through water pump unit increases temperature probe on the one hand and detects the state of melting, and on the other hand is by the velocity of flow and the flow that system automatically regulated liquid poured into to it is suitable to ensure to melt regional temperature, reaches and prevents the carbonization, enlarges the purpose that melts the region.

SUMMERY OF THE UTILITY MODEL

In view of the above-mentioned defect of prior art, the utility model discloses an injectable liquid medicine melt system on a large scale, it has the hemostatic ablation electrode of needle track for having in clinical use, has the saline to fill the controllable system that melts of function and velocity of flow simultaneously for reduce the carbonization and enlarge and melt the scope, reduce use cost.

In order to solve the technical problem, the utility model adopts the following technical scheme:

the utility model provides an injectable liquid medicine melt system on a large scale, includes the sleeve pipe, melts electrode, generator, negative plate, stock solution device, the sleeve pipe front end is provided with the temperature probe, melt the electrode set up in the intraductal portion of cover, it is connected to through the connecting wire to melt the electrode afterbody the generator, the negative plate passes through the connecting wire and is connected to the generator, the hollow structure of sleeve pipe wall for holding liquid flow, the sleeve pipe outer wall is provided with the water filling port.

The large-range ablation system for injectable liquid medicine further comprises a water pump device, the temperature measuring probe is connected with the water pump device through a temperature measuring transmission line tightly attached to the outer wall of the sleeve, the liquid storage device is a saline water bag, the saline water bag is connected with the water injection port through a water injection pipe, and the water injection pipe passes through the water pump device and controls the flow of the water injection pipe. The water pump device is provided with a temperature measurement module and a water pump module, wherein the temperature measurement module receives the temperature measured by the temperature measurement probe and transmits a signal to the water pump module. The saline bag is pre-filled with normal saline. The generator radio frequency energy is 400KHz-500KHz, and the system adjusts the state of the water pump module through the real-time temperature of the ablation region, controls the flow and the flow speed of the normal saline, further controls the temperature of the ablation region and protects the organ tissues of the ablation region.

The large-range ablation system capable of injecting the liquid medicine is characterized in that the liquid storage device is an injector, and the water injection port is connected with a needle head of the injector. The syringe is filled with liquid medicine. After the ablation is finished, the medicine can be injected into the focus area of the patient according to the requirement.

The physiological saline flows to the sleeve through the water injection pipe, reaches an ablation area to cause temperature change, and the temperature value is captured by the temperature measurement probe again and is transmitted to the temperature measurement module to form a closed loop.

The temperature measuring probe transmits the temperature of the ablation region to the temperature measuring module through the temperature measuring transmission line, the temperature measuring module transmits temperature data to the water pump module, and the water pump module adjusts the liquid flow rate or interrupts water injection from the water injection port according to the temperature.

The implementation method of the large-range ablation system capable of injecting the liquid medicine comprises the following steps:

step 1, completing the suspension of a saline bag pre-filled with physiological saline, attaching a negative plate to the thigh of a patient, and extending a sleeve and an ablation electrode into an area to be ablated;

step 2, starting the generator, starting the water pump device, starting the temperature measuring probe and starting the ablation operation;

step 3, in the ablation process, the temperature probe transmits the temperature of the ablation area to a temperature measurement module through a temperature measurement transmission line, the temperature measurement module transmits temperature data to a water pump module, and the water pump module adjusts the flow rate of liquid or interrupts water injection according to the temperature;

step 4, the normal saline flows to the sleeve through the water injection pipe and reaches the ablation area, and the state of the ablation area is improved;

and 5, after the ablation is finished, injecting liquid through the water injection port according to the requirements of the patient.

In the step 4, the normal saline flows into the ablation area to cause temperature change, and the temperature value is captured by the temperature measuring probe again and transmitted to the temperature measuring module to form a closed loop. In the step 5, the water injection port is connected with a syringe needle, and the required medicine is manually injected.

The utility model discloses an improve device and system, have following advantage: firstly, an integral solution is provided for clinic, and the safety of the product in the using process is improved. Secondly, in the use process, the function of water injection is adjusted according to the temperature, and the carbonization of the product in the use process is reduced. Thirdly, water can be injected in the ablation process in real time, so that the ablation efficiency is higher, and the ablation range is larger. Fourthly, the same channel in the device can be used for water injection and medicine injection, thereby increasing the expandability of the product, realizing multiple functions, meeting the requirements of patients in multiple aspects and reducing the cost.

The conception, the specific structure and the technical effects of the present invention will be further described with reference to the accompanying drawings, so as to fully understand the objects, the features and the effects of the present invention.

Drawings

Fig. 1 is a schematic structural view of the ablation system of the present invention.

Wherein the reference numbers are as follows:

the device comprises an ablation electrode 1, a sleeve 2, a water filling port 21, a water filling pipe 22, a temperature measuring probe 3, a temperature measuring transmission line 31, a generator 4, a connecting line 41, a water pump device 5, a saline water bag 6 and a negative plate 7.

Detailed Description

In order to make the technical means, the inventive features, the purpose and the efficacy of the present invention easy to understand, the present invention will be further explained by combining with the following detailed drawings. However, the present invention is not limited to the following embodiments.

It should be understood that the structure, proportion, size and the like shown in the drawings attached to the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by those skilled in the art, and are not used for limiting the limit conditions of the present invention, so that the present invention does not have the substantial technical significance, and the modification of any structure, the change of the proportion relation or the adjustment of the size should still fall within the scope of the technical content disclosed in the present invention without affecting the function and the achievable purpose of the present invention.

Example 1

The utility model provides an injectable liquid medicine melt system on a large scale, is including ablating electrode 1, sleeve pipe 2, generator 4, negative plate 8, water pumping plant 5, salt solution bag 6, 2 front ends of sleeve pipe are provided with temperature probe 3, it set up in to ablate electrode 1 inside sleeve pipe 2, it is connected to through connecting wire 41 to ablate 1 afterbody of electrode generator 4, negative plate 7 is connected to through connecting wire 41 generator 4, 2 pipe walls of sleeve pipe are for holding the hollow structure that liquid flows, 2 outer walls of sleeve pipe are provided with water filling port 21.

The temperature measuring probe 3 is connected with the water pump device 5 through a temperature measuring transmission line 31 tightly attached to the outer wall of the casing 2, the saline bag 6 is connected with the water filling port 21 through a water filling pipe 22, and normal saline is pre-filled in the saline bag 6. The water injection pipe 22 passes through the water pump device 5, and the flow of the water injection pipe 22 is controlled by the water pump device 5. The water pump device 5 is internally provided with a temperature measuring module and a water pump module, and the temperature measuring module receives the temperature measured by the temperature measuring probe 3 and transmits a signal to the water pump module. The generator 4 can be a radio frequency ablation generator or a microwave ablation generator, in the embodiment, the radio frequency ablation generator is adopted, and the radio frequency energy of the generator 4 is 400KHz-500KHz, so that low-power radio frequency energy is generated.

The method of use of this example is as follows: the saline bag 6 filled with physiological saline in advance is hung on an infusion bottle frame to be fixed, the negative plate 8 is attached to the thigh of a patient, and the sleeve 2 and the ablation electrode 1 extend into the focus area of the patient. Starting the generator 4, starting the water pump device 5, starting the temperature probe 3 and starting the ablation operation. In the ablation process, the temperature probe 3 transmits the temperature of an ablation area to the temperature measurement module through the temperature measurement transmission line 31, the temperature measurement module transmits temperature data to the water pump module, and the water pump module adjusts the liquid flow rate or interrupts water injection according to the temperature. The saline flows from the saline bag 6 into the cannula 2 through the water injection tube 22 to reach the ablation region, and the state of the ablation region is improved. The physiological saline flows into the ablation area to cause temperature change, and the temperature value is captured by the temperature measuring probe 3 again and transmitted to the temperature measuring module to form a closed loop system.

Example 2

After the ablation is finished, the water injection pipe 22 connected with the water injection port 21 is pulled out, the needle of the injector is inserted into the water injection port 21, and the injector can be filled with medicines according to actual requirements. An operator can inject medicine into the cannula 2 through the injector according to the requirements of a patient, and the liquid medicine reaches a focus area along the inner channel of the cannula 2 to be administered to the patient.

The utility model discloses a melting electrode needle system with a liquid-filling sleeve, which avoids the problem that the sleeve and the electrode needle can not be used together when being used in a matching way due to single function of the sleeve and the electrode needle. The utility model discloses in contain the generator that is used for producing the radio frequency energy or the microwave energy of miniwatt, disposable medicine passageway sleeve pipe, the controllable water pumping plant of velocity of flow realizes melting on a large scale. By designing a novel ablation system, the speed of injecting the physiological saline can be adjusted according to the temperature change of the ablation central area in the use process of the system, the carbonization can be reduced after the physiological saline is injected, and the ablation range is expanded. The utility model discloses increase the temperature probe outside the sleeve pipe, detect the temperature that melts the region to the sleeve pipe can connect the syringe needle when necessary, directly injects required medicine to the focus region. The system is simple in design, convenient, practical and rich in functions.

The foregoing has described in detail preferred embodiments of the present invention. It should be understood that numerous modifications and variations could be devised by those skilled in the art in light of the teachings of this invention without undue experimentation. Therefore, the technical solutions that can be obtained by a person skilled in the art through logic analysis, reasoning or limited experiments based on the prior art according to the concepts of the present invention should be within the scope of protection defined by the claims.

Claims

1. The utility model provides an injectable liquid medicine melt system on a large scale, its characterized in that, includes the sleeve pipe, melts electrode, generator, negative plate, stock solution device, the sleeve pipe front end is provided with the temperature probe, melt the electrode set up in the intraductal portion of cover, it is connected to through the connecting wire to melt the electrode afterbody the generator, the negative plate is connected to through the connecting wire the generator, the hollow structure of sleeve pipe wall for holding liquid flow, the sleeve pipe outer wall is provided with the water filling port.

2. The system as claimed in claim 1, comprising a water pump device, wherein the temperature measuring probe is connected with the water pump device through a temperature measuring transmission line tightly attached to the outer wall of the sleeve, the liquid storage device is a saline bag, the saline bag is connected with the water injection port through a water injection pipe, and the water injection pipe is connected with the water injection port through the water pump device, and the water injection pipe flow is controlled by the water pump device.

3. The system as claimed in claim 2, wherein the water pump device is provided with a temperature measuring module and a water pump module, and the temperature measuring module receives the temperature measured by the temperature measuring probe and transmits a signal to the water pump module.

4. The system of claim 3, wherein the saline bag is pre-filled with saline.

5. The system of claim 1, wherein the reservoir is a syringe and the fill port is connected to a syringe needle.

6. The system of claim 5, wherein the syringe contains a liquid drug.

7. The system according to any of claims 1-4, wherein the generator radiofrequency energy is 400KHz-500 KHz.

8. The system of claim 4, wherein the saline flows to the cannula via the water injection tube, reaching the ablation region results in a temperature change, and the temperature value is again captured by the thermometric probe and transmitted to the thermometric module, forming a closed loop.

9. The system of claim 3, wherein the temperature probe transmits the temperature of the ablation region to the temperature measurement module via a temperature measurement transmission line, the temperature measurement module transmits temperature data to the water pump module, and the water pump module adjusts the flow rate of the liquid or interrupts the water injection from the water injection port based on the temperature.