CN219000552U

CN219000552U - Microwave ablation catheter

Info

Publication number: CN219000552U
Application number: CN202223108006.XU
Authority: CN
Inventors: 缪晓峰; 赵德兵
Original assignee: Nanjing Devon Medical Technology Co ltd
Current assignee: Nanjing Devon Medical Technology Co ltd
Priority date: 2022-11-22
Filing date: 2022-11-22
Publication date: 2023-05-12
Anticipated expiration: 2032-11-22

Abstract

The utility model relates to the technical field of medical appliances, in particular to a microwave ablation catheter. The specific technical scheme is as follows: the utility model provides a microwave ablation catheter, includes the syringe needle, the needle tubing of being connected with the needle and the cable of setting in the needle tubing and being connected with the needle, the other end of needle tubing is connected with the handle, the tip of handle can be dismantled and be connected with the attach fitting, be provided with the battery in the handle, be provided with the LED lamp in the needle tubing, LED lamp and battery electric connection, be provided with respectively with battery and LED lamp electric connection's spliced pole in the handle, be provided with in the attach fitting with the conducting post of spliced pole adaptation, works as after the handle is connected with the attach fitting, the LED lamp circular telegram. The utility model solves the problem that the external optical fiber power supply in the prior art is inconvenient for medical staff to operate.

Description

Microwave ablation catheter

Technical Field

The utility model relates to the technical field of medical appliances, in particular to a microwave ablation catheter.

Background

The microwave ablation technology is a modern minimally invasive technology with wider application. In recent years, microwave ablation has been applied to a variety of focal tissues such as heart, cancer tumor, and even skin. The microwave thermal ablation technology is that microwave energy does not directly enter a human body, but heat energy is generated in the instrument, and then the heat energy is transferred to the human body to generate a thermal ablation effect. Because the technology has less trauma to the human body, and the ablation mode can be accurately controlled by an electronic system, the technology is adopted in modern active minimally invasive surgery.

In the prior art, especially for subcutaneous ablation, an optical fiber is usually arranged in a needle tube, so that the position of a needle head is indicated, and the needle head is accurately positioned. However, when the optical fiber is connected to a power supply, the power supply is generally externally arranged and electrically connected to the optical fiber. In this way, the external connection wire is inconvenient for the medical staff to operate in the process that the needle head and the needle tube enter the human body.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model provides a microwave ablation catheter, which solves the problem that medical staff are inconvenient to operate due to the fact that an optical fiber power supply is arranged outside in the prior art.

In order to achieve the above purpose, the utility model is realized by the following technical scheme:

the utility model discloses a microwave ablation catheter which comprises a needle head, a needle tube connected with the needle head and a cable arranged in the needle tube and connected with the needle head, wherein the other end of the needle tube is connected with a handle, the end part of the handle is detachably connected with a connecting joint, a battery is arranged in the handle, an LED lamp is arranged in the needle tube and electrically connected with the battery, a plug post which is respectively and electrically connected with the battery and the LED lamp is arranged in the handle, a conductive post which is matched with the plug post is arranged in the connecting joint, and after the handle is connected with the connecting joint, the LED lamp is electrified.

Preferably, one end of the needle head is provided with an insulating sleeve, the other end of the insulating sleeve is provided with a reinforcing tube, and the other end of the reinforcing tube is connected with the needle tube.

Preferably, the handle comprises a handle seat and a handle body connected with the handle seat, a fixing shell is arranged at the other end of the handle body, a male connector is arranged in the fixing shell, a cable is connected with the male connector, a female connector matched with the male connector is arranged on the connecting connector and corresponds to the female connector, and the female connector is connected with the microwave generator through the cable.

Preferably, the connecting joint comprises a connecting shell, and the female joint is arranged on the end face of the connecting shell corresponding to the fixing shell.

Preferably, the two inserting posts are respectively fixed on the fixed shell and extend out of the fixed shell, the two inserting posts are respectively electrically connected with the battery and the LED lamp, the two conducting posts are respectively arranged on the end face of the connecting shell and are in one-to-one correspondence with the inserting posts, and the two conducting posts are electrically connected.

Preferably, a fixed cylinder is arranged in the handle body, one end of the needle tube penetrates through the handle seat and is connected with the fixed cylinder, the other end of the fixed cylinder is connected with a sleeve, the other end of the sleeve is fixed on the fixed shell, the male connector is positioned in the sleeve, and the cable penetrates through the fixed cylinder and the sleeve to be connected with the male connector.

Preferably, the battery is disposed within the handle body.

Preferably, the LED lamp is located in the reinforcing tube.

Preferably, the fixing shell and the connecting shell are fixedly inserted.

Preferably, grooves matched with the plug posts are formed in the end faces, corresponding to the plug posts, of the conductive posts, and when the plug posts are inserted into the grooves, the plug posts are in contact with the conductive posts.

The utility model has the following beneficial effects:

according to the utility model, the inserted post is arranged in the handle, the conductive posts are arranged in the connecting joint, the two inserted posts and the two conductive posts are arranged, one end of the cable is connected with the needle head, the other end of the cable is connected with the male joint, and the female joint is connected with the female joint through the cable. Two lamp wires of LED lamp connect battery and one of them spliced pole respectively, and another spliced pole is connected with the battery, and two electrically conductive posts pass through the wire and connect, after the spliced pole inserts electrically conductive post, form a return circuit between battery, LED lamp, spliced pole and the electrically conductive post to make the battery supply power to the LED lamp, the LED lamp is bright, and then instructs the position of syringe needle, simultaneously, male joint and female joint insert connection make microwave generator pass through the cable and let in energy to the syringe needle. The utility model adopts a mode of built-in battery to supply power to the LED lamp, thereby being convenient for medical staff to perform corresponding operation on the whole device.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is an enlarged view of the needle portion of FIG. 1;

FIG. 3 is an A-direction view of the post of FIG. 1;

FIG. 4 is a view in the B-direction of the conductive post of FIG. 1;

in the figure: needle 1, needle tube 2, cable 3, battery 4, LED lamp 5, inserted column 6, conductive column 7, insulating sleeve 8, reinforcing tube 9, handle seat 10, handle body 11, fixed shell 12, male connector 13, female connector 14, connection shell 15, fixed barrel 16, sleeve 17, recess 18.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

The technical means used in the examples are conventional means well known to those skilled in the art unless otherwise indicated.

Referring to fig. 1-4, the utility model discloses a microwave ablation catheter, which comprises a needle 1, a needle tube 2 connected with the needle 1 and a cable 3 arranged in the needle tube 2 and connected with the needle 1, wherein one end of the needle 1 is provided with an insulating sleeve 8, the other end of the insulating sleeve 8 is provided with a reinforcing tube 9, and the other end of the reinforcing tube 9 is connected with the needle tube 2. The other end of needle tubing 2 is connected with the handle, and the tip of handle can be dismantled and be connected with the attach fitting, is provided with battery 4 in the handle, is provided with LED lamp 5 in the needle tubing 2, LED lamp 5 and battery 4 electric connection are provided with respectively in the handle with battery 4 and LED lamp 5 electric connection's spliced pole 6, be provided with in the attach fitting with spliced pole 6 adaptation electrically conductive post 7, after the handle is connected with attach fitting, LED lamp 5 circular telegram.

Specific: the handle comprises a handle seat 10 and a handle body 11 connected with the handle seat 10, the needle tube 2 stretches into the handle seat 10 and is fixedly connected with the needle tube 2, the other end of the handle body 11 is provided with a fixed shell 12, and one end of the fixed shell 12 is inserted into an opening arranged at the other end of the handle body 11 and is fixed. A male connector 13 is provided in the fixed housing 12, and preferably the male connector 13 is fixed at the center of the fixed housing 12 and axially disposed. The cable 3 is connected with the male connector 13, a female connector 14 matched with the male connector 13 is arranged on the connecting connector, the female connector 14 is correspondingly arranged with the female connector 14, and the female connector 14 is connected with the microwave generator through the cable.

Further, the connection terminal includes a connection housing 15, and the female terminal 14 is provided on an end surface of the connection housing 15 corresponding to the fixing housing 12. The female connector 14 is provided on an end face of the connection housing and is disposed along the axial direction of the fixing housing. The fixed shell 12 and the connection shell 15 are fixedly inserted, namely one end of the connection shell is inserted into the fixed shell, and meanwhile, the inserted column is inserted into the conductive column, so that power supply of the LED lamp is realized.

Further, two inserting columns 6 are arranged, fixed on the end face of the fixed shell 12 respectively, one end of each inserting column extends out of the fixed shell 12, one end of each inserting column 6 located in the fixed shell is electrically connected with the battery 4 and the LED lamp 5 respectively, two conducting columns 7 are arranged, arranged on the end face of the connecting shell 15 respectively and in one-to-one correspondence with the corresponding inserting columns 6, and the two conducting columns 7 are electrically connected through a wire. Specific: two lamp wires are arranged on the LED lamp, one lamp wire is connected with the plug, and the other lamp wire is connected with the battery; and then one wire is connected with the battery, and the other end of the wire is connected with the other plug. When two inserting posts are simultaneously inserted into the guide posts, the battery supplies power to the LED lamp, and the LED lamp is on. In the whole process, the LED lamp does not need an external power supply.

Further, a fixed cylinder 16 is arranged in the handle body 11, the fixed cylinder 16 is axially arranged along the handle body 11, one end of the needle tube 2 passes through the handle seat 10 and is fixedly connected with the fixed cylinder 16, the other end of the fixed cylinder 16 is inserted with a sleeve 17, namely, one end of the sleeve is inserted into the fixed cylinder 16, the other end of the sleeve 17 is fixed on the fixed shell 12, the male connector 13 is positioned in the sleeve 17 and is fixed, and the cable 3 passes through the fixed cylinder 16 and the sleeve 17 to be connected with the male connector 13.

Further, the battery 4 is disposed in the handle body 11, and a through hole through which the lamp wire passes is provided in the side wall of the fixed barrel 16.

Further, the LED lamp 5 is positioned in the reinforcing tube 9, and when the LED lamp is on, the position of the needle head can be clearly indicated, so that the focus of a patient can be accurately treated.

Further, the end surfaces of the conductive posts 7 corresponding to the plug posts 6 are provided with grooves 18 matched with the plug posts 6, so that the plug posts 6 are in contact with the conductive posts 7 when the plug posts 6 are inserted into the grooves 18.

When the needle is used, only one end of the connecting shell is required to be inserted into the fixing shell, and meanwhile, the inserting column is inserted into the conductive column, so that the power supply of the LED lamp is realized, and the male connector and the female connector are connected to realize the corresponding treatment of the focus part by the needle.

In the description of the present utility model, it should be understood that the terms "longitudinal," "transverse," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present utility model, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present utility model.

The above embodiments are only illustrative of the preferred embodiments of the present utility model and are not intended to limit the scope of the present utility model, and various modifications and improvements made by those skilled in the art to the technical solutions of the present utility model should fall within the protection scope defined by the claims of the present utility model without departing from the design spirit of the present utility model.

Claims

1. The utility model provides a microwave ablation catheter, includes syringe needle (1), needle tubing (2) and cable (3) that set up in needle tubing (2) and be connected with syringe needle (1) that are connected with syringe needle (1), its characterized in that: the novel needle tube is characterized in that the other end of the needle tube (2) is connected with a handle, the end part of the handle is detachably connected with a connecting joint, a battery (4) is arranged in the handle, an LED lamp (5) is arranged in the needle tube (2), the LED lamp (5) is electrically connected with the battery (4), a plug post (6) which is electrically connected with the battery (4) and the LED lamp (5) respectively is arranged in the handle, a conductive post (7) which is matched with the plug post (6) is arranged in the connecting joint, and after the handle is connected with the connecting joint, the LED lamp (5) is electrified.

2. A microwave ablation catheter according to claim 1, wherein: one end of the needle head (1) is provided with an insulating sleeve (8), the other end of the insulating sleeve (8) is provided with a reinforcing tube (9), and the other end of the reinforcing tube (9) is connected with the needle tube (2).

3. A microwave ablation catheter according to claim 1, wherein: the handle comprises a handle seat (10) and a handle body (11) connected with the handle seat (10), a fixing shell (12) is arranged at the other end of the handle body (11), a male connector (13) is arranged in the fixing shell (12), the cable (3) is connected with the male connector (13), a female connector (14) matched with the male connector (13) is arranged on the connecting connector, the female connector (14) is correspondingly arranged with the female connector (14), and the female connector (14) is connected with a microwave generator through a cable.

4. A microwave ablation catheter according to claim 3, wherein: the connecting joint comprises a connecting shell (15), and the female joint (14) is arranged on the end surface of the connecting shell (15) corresponding to the fixing shell (12).

5. A microwave ablation catheter according to claim 4, wherein: the plug posts (6) are arranged in two, are respectively fixed on the fixed shell (12) and extend out of the fixed shell (12), the two plug posts (6) are respectively electrically connected with the battery (4) and the LED lamp (5), the two conductive posts (7) are respectively arranged on the end faces of the connecting shell (15) and are in one-to-one correspondence with the plug posts (6), and the two conductive posts (7) are electrically connected.

6. A microwave ablation catheter according to claim 3, wherein: the novel needle tube is characterized in that a fixed cylinder (16) is arranged in the handle body (11), one end of the needle tube (2) penetrates through the handle seat (10) and is connected with the fixed cylinder (16), the other end of the fixed cylinder (16) is connected with a sleeve (17), the other end of the sleeve (17) is fixed on the fixed shell (12), the male connector (13) is located in the sleeve (17), and the cable (3) penetrates through the fixed cylinder (16) and the sleeve (17) to be connected with the male connector (13).

7. A microwave ablation catheter according to claim 3, wherein: the battery (4) is arranged in the handle body (11).

8. A microwave ablation catheter according to claim 2, wherein: the LED lamp (5) is positioned in the reinforcing tube (9).

9. A microwave ablation catheter according to claim 4, wherein: the fixing shell (12) and the connecting shell (15) are fixedly inserted in a plugging manner.

10. A microwave ablation catheter according to claim 1, wherein: the end faces of the conductive posts (7) and the corresponding plug posts (6) are provided with grooves (18) matched with the plug posts (6), and when the plug posts (6) are inserted into the grooves (18), the plug posts (6) are in contact with the conductive posts (7).