CN211243690U

Movatterモバイル変換

Info

Publication number: CN211243690U
Application number: CN201921344846.1U
Authority: CN
Inventors: 卢漫; 贺强
Original assignee: Sichuan Cancer Hospital
Current assignee: Sichuan Cancer Hospital
Priority date: 2019-08-19
Filing date: 2019-08-19
Publication date: 2020-08-14
Anticipated expiration: 2029-08-19

Abstract

本实用新型涉及一种具有抽吸功能的微波消融针，包括针头和针杆，所述针头设置有用于抽取囊液的吸引孔，所述针杆内设置有吸引通道，所述吸引通道与所述吸引孔相连通；本实用新型所提供的微波消融针，结构紧凑、可以方便的抽取囊性肿瘤组织中的囊液，抽取的囊液可以用于细胞学检测，判断囊性肿瘤的性质，不仅可以有效破坏囊腔壁，而且有利于囊性肿瘤组织彻底消融，从而有效解决现有技术中的不足，尤其适用于对囊性肿瘤和囊实混合肿瘤进行微波消融治疗。

The utility model relates to a microwave ablation needle with suction function, which comprises a needle head and a needle shaft. The suction holes are connected with each other; the microwave ablation needle provided by the utility model has a compact structure and can easily extract the cystic fluid in the cystic tumor tissue, and the extracted cystic fluid can be used for cytological detection to determine the nature of the cystic tumor. The method can not only effectively destroy the cystic cavity wall, but also facilitate the complete ablation of cystic tumor tissue, thereby effectively solving the deficiencies in the prior art, and is especially suitable for microwave ablation therapy for cystic tumors and cyst-solid mixed tumors.

Description

Translated fromChinese

一种具有抽吸功能的微波消融针A microwave ablation needle with suction function

技术领域technical field

本实用新型涉及医疗器械技术领域，具体涉及一种具有抽吸功能的微波消融针。The utility model relates to the technical field of medical devices, in particular to a microwave ablation needle with suction function.

背景技术Background technique

微波消融治疗是一种对肿瘤组织具有高效、快速、均匀加热、热凝固彻底、使用方便、安全的治疗方法，多年来已经广泛应用于临床，例如，微波消融治疗已成为治疗肝癌、肾癌、甲状腺等软组织的重要治疗手段之一；具体而言，微波消融是利用天线辐射微波，微波使组织中的离子、极性水分子旋转振动、相互摩擦而产生热效应，使治疗区域快速达到很高的温度，组织凝固，脱水而坏死，从而达到治疗目的。Microwave ablation therapy is a highly efficient, fast, uniform heating, thorough thermal coagulation, convenient and safe treatment method for tumor tissue. It has been widely used in clinical practice for many years. One of the important treatment methods for soft tissues such as thyroid; specifically, microwave ablation uses antennas to radiate microwaves, and microwaves make ions and polar water molecules in the tissue rotate and vibrate, and rub against each other to generate thermal effects, so that the treatment area can quickly reach a high temperature. Temperature, tissue coagulation, dehydration and necrosis, so as to achieve the purpose of treatment.

微波消融针和微波功率源分别是微波消融治疗过程所必需的器械(如中国专利CN101711705 A公开的一种微波消融针及其微波消融治疗仪)，其中，所述微波消融针通常包括用于辐射微波的针尖和用于输送微波的微波传输部，所述微波传输部通常采用的是同轴电缆，针尖通过微波传输部与微波功率源相连，以便将微波功率源所产生的微波，通过微波传输部传输给针尖，并通过针尖辐射出去，从而达到治疗的目的。The microwave ablation needle and the microwave power source are respectively necessary instruments for the microwave ablation treatment process (such as a microwave ablation needle and its microwave ablation treatment apparatus disclosed in Chinese patent CN101711705 A), wherein the microwave ablation needle usually includes a The needle tip of the microwave and the microwave transmission part used to transmit the microwave, the microwave transmission part usually adopts a coaxial cable, and the needle tip is connected with the microwave power source through the microwave transmission part, so as to transmit the microwave generated by the microwave power source through the microwave. The part is transmitted to the needle tip and radiated out through the needle tip, so as to achieve the purpose of treatment.

然而，现有的微波消融针，通常不适用于囊性肿瘤(如乳腺囊肿、卵巢囊肿、腱鞘囊肿等)和囊实混合肿瘤，对于囊性肿瘤和囊实混合肿瘤，现有的微波消融针无法有效的破坏囊腔壁，同时，也很难使之消融彻底，此外，还需要使用额外的穿刺器抽取肿瘤内的囊液，以便进行细胞学检测，判断囊性肿瘤的性质。However, the existing microwave ablation needles are usually not suitable for cystic tumors (such as breast cysts, ovarian cysts, ganglion cysts, etc.) and cyst-solid mixed tumors. For cystic tumors and cyst-solid mixed tumors, the existing microwave ablation needles The cystic cavity wall cannot be effectively destroyed, and at the same time, it is difficult to completely ablate the cystic tumor. In addition, an additional puncture device is required to extract the cystic fluid in the tumor for cytological detection to determine the nature of the cystic tumor.

实用新型内容Utility model content

本实用新型的目的在于改善现有技术中所存在的不足，提供一种结构紧凑、可以抽取囊液的微波消融针，尤其适用于囊性肿瘤和囊实混合肿瘤。The purpose of the utility model is to improve the deficiencies in the prior art, and to provide a microwave ablation needle with a compact structure and capable of extracting cyst fluid, which is especially suitable for cystic tumors and cyst-solid mixed tumors.

本实用新型所采用的技术方案是：The technical scheme adopted by the utility model is:

一种具有抽吸功能的微波消融针，包括针头和针杆，所述针头设置有用于抽取囊液的吸引孔，所述针杆内设置有吸引通道，所述吸引通道与所述吸引孔相连通。在本方案中，通过在针头上设置用于抽取囊液的吸引孔，在手术过程中，当本微波消融针经皮穿刺，进入肿瘤组织后，若肿瘤组织为囊性肿瘤或囊实混合肿瘤，使用者可以先通过吸引孔和吸引通道吸取肿瘤内的囊液，抽取的囊液可以用于细胞学检测，以判断囊性肿瘤的性质，从而避免再使用额外的穿刺器单独抽取囊液，既便于操作，有可以节约手术器械，降低成本；然后在进行微波消融，既可以有效地破坏囊腔壁，又可以使得肿瘤组织彻底消融，从而可以有效解决现有技术中的不足。A microwave ablation needle with suction function, comprising a needle head and a needle shaft, the needle head is provided with a suction hole for extracting cyst fluid, a suction channel is arranged in the needle shaft, and the suction channel is connected with the suction hole Pass. In this solution, a suction hole for extracting cystic fluid is provided on the needle. During the operation, when the microwave ablation needle is percutaneously punctured and enters the tumor tissue, if the tumor tissue is a cystic tumor or a cyst-solid mixed tumor , the user can first absorb the cystic fluid in the tumor through the suction hole and the suction channel, and the extracted cystic fluid can be used for cytological detection to determine the nature of the cystic tumor, so as to avoid using an additional puncture to extract the cystic fluid separately. It is easy to operate, saves surgical instruments and reduces costs; and then microwave ablation can effectively destroy the cystic cavity wall and completely ablate the tumor tissue, thereby effectively solving the deficiencies in the prior art.

优选的，所述针头包括针体和设置于针体一端的针尖，所述吸引孔设置于针体，所述针尖用于穿刺。Preferably, the needle includes a needle body and a needle tip disposed at one end of the needle body, the suction hole is disposed in the needle body, and the needle tip is used for puncturing.

优选的，所述针尖为圆锥形，或，由一个或多个切面所围成。Preferably, the needle tip is conical, or is surrounded by one or more cut surfaces.

一种方案中，包括一个吸引孔，所述吸引孔与所述针体共轴。In one solution, a suction hole is included, and the suction hole is coaxial with the needle body.

进一步的，所述针体内设置有吸引腔，所述吸引孔及所述吸引通道分别与所述吸引腔相连通。Further, a suction cavity is provided in the needle body, and the suction hole and the suction channel are respectively communicated with the suction cavity.

一种方案中，包括若干所述吸引孔，各吸引孔分别沿针体的圆周方向均匀分布。In one solution, a plurality of the suction holes are included, and the suction holes are distributed uniformly along the circumference of the needle body.

进一步的，还包括手柄，所述针杆固定于所述手柄，所述手柄用于握持。Further, it also includes a handle, the needle bar is fixed to the handle, and the handle is used for holding.

优选的，所述吸引通道为管道或为设置于所述针杆内的腔道。Preferably, the suction channel is a pipe or a lumen provided in the needle shaft.

优选的，还包括吸引接头，所述吸引接头通过管道与所述手柄相连，并与所述吸引通道相连通，所述吸引接头用于连接负压设备。通过设置吸引接头，可以方便的实现吸引通道与负压设备的连通，从而可以方便的利用负压设备产生负压，以便在吸引孔产生持续的吸力，从而有效吸取肿瘤内的囊液。Preferably, a suction joint is also included, the suction joint is connected with the handle through a pipeline and communicated with the suction channel, and the suction joint is used for connecting a negative pressure device. By setting the suction joint, the connection between the suction channel and the negative pressure device can be conveniently realized, so that the negative pressure device can be conveniently used to generate negative pressure, so as to generate continuous suction in the suction hole, so as to effectively absorb the cyst fluid in the tumor.

进一步的，所述针头的外表面设置有用于防止粘连的涂层，所述涂层为陶瓷。所述陶瓷涂层用于防止在穿刺的过程中针头产生粘连，同时，微波能量可以顺利的穿过陶瓷涂层，达到微波消融的目的。Further, the outer surface of the needle is provided with a coating for preventing adhesion, and the coating is ceramic. The ceramic coating is used to prevent the needle from sticking during the puncture process, and at the same time, microwave energy can smoothly pass through the ceramic coating to achieve the purpose of microwave ablation.

进一步的，所述针杆的外表面设置有用于减低穿刺阻力的涂层，所述涂层为特氟龙。通过在针杆的外表面设置特氟龙涂层，可以起到润滑的作用，从而有效减少穿刺过程中的阻力，使得穿刺过程更顺利。Further, the outer surface of the needle shaft is provided with a coating for reducing puncture resistance, and the coating is Teflon. By setting the Teflon coating on the outer surface of the needle rod, it can play a role of lubrication, thereby effectively reducing the resistance during the puncturing process, and making the puncturing process smoother.

进一步的，还包括绝缘件，所述绝缘件设置于所述针头与针杆之间，用于绝缘。使得微波可以通过针头集中辐射出去，有利于辐射范围更规整、更集中，更有利于实现精确消融。Further, an insulating member is also included, and the insulating member is arranged between the needle head and the needle shaft for insulation. The microwave can be radiated in a concentrated manner through the needle, which is conducive to a more regular and concentrated radiation range, and is more conducive to the realization of precise ablation.

进一步的，还包括同轴电缆和能量源接头，所述能量源接头设置于所述手柄，所述同轴电缆设置于所述针杆和手柄的内部，且所述同轴电缆的两端分别与所述针头及所述能量源接头相连，能量源接头用于连接微波功率源。Further, it also includes a coaxial cable and an energy source connector, the energy source connector is arranged on the handle, the coaxial cable is arranged inside the needle bar and the handle, and the two ends of the coaxial cable are respectively It is connected with the needle head and the energy source connector, and the energy source connector is used to connect the microwave power source.

在进一步的方案中，还包括进水通道和出水通道，所述针杆，或针杆与所述手柄内设置有用于冷却腔，所述同轴电缆设置于所述冷却腔中，所述冷却腔中还设置有进水通道和出水通道。In a further solution, it also includes a water inlet channel and a water outlet channel, the needle bar, or the needle bar and the handle are provided with a cooling cavity, the coaxial cable is arranged in the cooling cavity, and the cooling The cavity is also provided with a water inlet channel and a water outlet channel.

与现有技术相比，使用本实用新型提供的一种具有抽吸功能的微波消融针，具有以下有益效果：Compared with the prior art, using the microwave ablation needle with suction function provided by the present utility model has the following beneficial effects:

1、本微波消融针，结构紧凑，具有抽吸功能，可以方便的抽取囊液，不仅可以有效破坏囊腔壁，而且有利于肿瘤组织彻底消融，从而有效解决现有技术中的不足，尤其适用于对囊性肿瘤和囊实混合肿瘤进行微波消融治疗。1. The microwave ablation needle has a compact structure and has a suction function, which can easily extract the cystic fluid, not only can effectively destroy the cystic cavity wall, but also facilitate the complete ablation of tumor tissue, thereby effectively solving the deficiencies in the prior art, especially suitable for Microwave ablation for cystic tumors and mixed cystic and solid tumors.

2、利用本微波消融针抽取的囊液可以用于细胞学检测，以判断囊性肿瘤的性质，从而避免再使用额外的穿刺器单独抽取囊液，既便于操作，有可以节约手术器械，降低成本。2. The cystic fluid extracted by the microwave ablation needle can be used for cytological detection to determine the nature of the cystic tumor, so as to avoid using an additional trocar to extract the cystic fluid separately. cost.

附图说明Description of drawings

为了更清楚地说明本实用新型实施例的技术方案，下面将对实施例中所需要使用的附图作简单地介绍，应当理解，以下附图仅示出了本实用新型的某些实施例，因此不应被看作是对范围的限定，对于本领域普通技术人员来讲，在不付出创造性劳动的前提下，还可以根据这些附图获得其他相关的附图。In order to illustrate the technical solutions of the embodiments of the present invention more clearly, the accompanying drawings required in the embodiments will be briefly introduced below. It should be understood that the following drawings only show some embodiments of the present invention. Therefore, it should not be regarded as a limitation of the scope. For those of ordinary skill in the art, other related drawings can also be obtained from these drawings without creative effort.

图1为本实用新型实施例1中提供的一种微波消融针的结构示意图。FIG. 1 is a schematic structural diagram of a microwave ablation needle provided in Embodiment 1 of the present invention.

图2为图1的局部剖视图。FIG. 2 is a partial cross-sectional view of FIG. 1 .

图3为图1的局部剖视图。FIG. 3 is a partial cross-sectional view of FIG. 1 .

图4为本实用新型实施例1中提供的一种微波消融针中，一种针头的结构示意图。FIG. 4 is a schematic structural diagram of a needle in a microwave ablation needle provided in Embodiment 1 of the present invention.

图5为本实用新型实施例1中提供的一种微波消融针中，另一种针头的结构示意图。FIG. 5 is a schematic structural diagram of another type of a needle for microwave ablation provided in Embodiment 1 of the present invention.

图6为本实用新型实施例1中提供的一种微波消融针中，又一种针头的结构示意图。FIG. 6 is a schematic structural diagram of another type of needle head in one of the microwave ablation needles provided in Embodiment 1 of the present invention.

图7为图4的剖视图。FIG. 7 is a cross-sectional view of FIG. 4 .

图中标记说明Description of the marks in the figure

针头101，针尖102，针体103，吸引孔104，吸引腔105，陶瓷涂层106，Needle 101,needle tip 102,needle body 103,suction hole 104,suction cavity 105,ceramic coating 106,

针杆201，吸引通道202，同轴电缆203，特氟龙涂层204，Needle bar 201,suction channel 202,coaxial cable 203, Tefloncoating 204,

手柄301，吸引接头302，管道303，能量源接头304，Handle 301,suction connector 302,pipeline 303,energy source connector 304,

绝缘件401。Insulator 401 .

具体实施方式Detailed ways

下面将结合本实用新型实施例中附图，对本实用新型实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例仅仅是本实用新型一部分实施例，而不是全部的实施例。通常在此处附图中描述和示出的本实用新型实施例的组件可以以各种不同的配置来布置和设计。因此，以下对在附图中提供的本实用新型的实施例的详细描述并非旨在限制要求保护的本实用新型的范围，而是仅仅表示本实用新型的选定实施例。基于本实用新型的实施例，本领域技术人员在没有做出创造性劳动的前提下所获得的所有其他实施例，都属于本实用新型保护的范围。The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. . The components of the embodiments of the invention generally described and illustrated in the drawings herein may be arranged and designed in a variety of different configurations. Accordingly, the following detailed description of the embodiments of the invention provided in the accompanying drawings is not intended to limit the scope of the invention as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative work fall within the protection scope of the present invention.

实施例1Example 1

请参阅图1、图2及图3，本实施例中提供了一种具有抽吸功能的微波消融针，包括针头101和针杆201，所述针头101设置有用于抽取囊液的吸引孔104，所述针杆201内设置有吸引通道202，所述吸引通道202与所述吸引孔104相连通。在本方案中，通过在针头101上设置用于抽取囊液的吸引孔104，在手术过程中，当本微波消融针经皮穿刺，进入肿瘤组织后，吸引孔104也正好插入肿瘤组织内，若肿瘤组织为囊性肿瘤或囊实混合肿瘤，使用者可以先通过吸引孔104和吸引通道202吸取囊性肿瘤内的囊液，抽取的囊液可以用着细胞学检测，判断囊性肿瘤的性质，然后再进行微波消融，这样，既可以有效地破坏囊腔壁，又可以使得肿瘤组织彻底消融，从而可以有效解决现有技术中的不足。Please refer to FIG. 1 , FIG. 2 and FIG. 3 , this embodiment provides a microwave ablation needle with suction function, including aneedle head 101 and aneedle shaft 201 , theneedle head 101 is provided with asuction hole 104 for extracting cyst fluid , theneedle bar 201 is provided with asuction channel 202 , and thesuction channel 202 communicates with thesuction hole 104 . In this solution, by setting thesuction hole 104 on theneedle 101 for extracting cystic fluid, during the operation, when the microwave ablation needle is percutaneously punctured and enters the tumor tissue, thesuction hole 104 is also inserted into the tumor tissue exactly, If the tumor tissue is a cystic tumor or a cystic-solid tumor, the user can first absorb the cystic fluid in the cystic tumor through thesuction hole 104 and thesuction channel 202, and the extracted cystic fluid can be detected by cytology to determine the cystic tumor. Then, microwave ablation can be performed, which can effectively destroy the cystic cavity wall and completely ablate the tumor tissue, thereby effectively solving the deficiencies in the prior art.

如图1所示，在进一步的方案中，本微波消融针还包括手柄301，所述针杆201固定于所述手柄301，所述手柄301用于握持，更便于临床操作。As shown in FIG. 1 , in a further solution, the microwave ablation needle further includes ahandle 301 , theneedle shaft 201 is fixed to thehandle 301 , and thehandle 301 is used for holding, which is more convenient for clinical operations.

在优选的方案中，所述吸引通道202为管道303或为设置于所述针杆201内的腔道，即吸引通道202可以是管道303，如软管等，所述吸引通道202也可以是在针杆201内的加工出来的腔道。In a preferred solution, thesuction channel 202 is apipe 303 or a cavity provided in theneedle shaft 201, that is, thesuction channel 202 can be apipe 303, such as a hose, etc., and thesuction channel 202 can also be The machined cavity in theneedle bar 201.

如图1及图3所示，本微波消融针还包括吸引接头302，所述吸引接头302通过管道303(如软管等)与所述手柄301相连，并与所述吸引通道202相连通，所述吸引接头302用于连接负压设备。通过设置吸引接头302，可以方便的实现吸引通道202与负压设备的连通，从而可以方便的利用负压设备产生负压，以便在吸引孔104产生持续的吸力，从而有效吸取肿瘤内的囊液。可以理解，吸引接头302可以采用现有技术中的常用接头，这里不再赘述As shown in FIG. 1 and FIG. 3 , the microwave ablation needle further includes a suction joint 302, and the suction joint 302 is connected with thehandle 301 through a pipe 303 (such as a hose, etc.), and communicated with thesuction channel 202, Thesuction connector 302 is used to connect negative pressure equipment. By setting the suction joint 302, the communication between thesuction channel 202 and the negative pressure device can be easily achieved, so that the negative pressure device can be conveniently used to generate negative pressure, so as to generate continuous suction in thesuction hole 104, so as to effectively absorb the cystic fluid in the tumor . It can be understood that the suction joint 302 can be a common joint in the prior art, which will not be repeated here.

如图1或图2所示，在本实施例中，所述针头101包括针体103和设置于针体103一端的针尖102，所述吸引孔104设置于针体103，所述针尖102用于穿刺，以方便本微波消融针顺利的穿入肿瘤组织内，尤其是可以更有效的破坏囊腔壁。As shown in FIG. 1 or FIG. 2 , in this embodiment, theneedle 101 includes aneedle body 103 and aneedle tip 102 arranged at one end of theneedle body 103 , thesuction hole 104 is arranged on theneedle body 103 , and theneedle tip 102 is used for It is used for puncture, so that the microwave ablation needle can penetrate into the tumor tissue smoothly, especially, it can more effectively destroy the cavity wall.

针尖102具有多种结构，只需保证针头101的尖端锋利即可，故在实施例中不对针尖102的形状和结构进行限制，作为举例，如图1或图2或图5所示，在优选的方案中，所述针尖102为圆锥形；针尖102也可以是由一个或多个切面所围成，作为举例，如图4及图7所示，针尖102是由一个切面构成，此时，针头101上可以只设置一个吸引孔104，且该吸引孔104与所述针体103共轴，如图7所示，更便于吸引囊液。Theneedle tip 102 has various structures, as long as the tip of theneedle head 101 is sharp, the shape and structure of theneedle tip 102 are not limited in the embodiment. As an example, as shown in FIG. 1 or FIG. 2 or FIG. In the solution, theneedle tip 102 is conical; theneedle tip 102 may also be surrounded by one or more cut surfaces. As an example, as shown in FIG. 4 and FIG. 7 , theneedle tip 102 is composed of one cut surface. Theneedle 101 may be provided with only onesuction hole 104, and thesuction hole 104 is coaxial with theneedle body 103, as shown in FIG. 7, which is more convenient for suction of cyst fluid.

又如，如图6所示，针尖102可以是由三个切面所围成，从而使得针尖102更加尖锐，这里不再一一列举。For another example, as shown in FIG. 6 , theneedle tip 102 may be surrounded by three cutting planes, so that theneedle tip 102 is sharper, which will not be listed here.

在进一步的方案中，所述针体103内设置有吸引腔105，所述吸引孔104及所述吸引通道202分别与所述吸引腔105相连通。In a further solution, theneedle body 103 is provided with asuction cavity 105 , and thesuction hole 104 and thesuction channel 202 are respectively communicated with thesuction cavity 105 .

在一种优选的方案中，所述针头101包括若干所述吸引孔104，各吸引孔104分别沿针体103的圆周方向均匀分布，作为举例，如图1或图5所示，针头101包括四个所述吸引孔104，各吸引孔104分别沿针体103的圆周方向均匀分布，并分别与所述吸引腔105相连通。In a preferred solution, theneedle 101 includes a plurality of the suction holes 104, and eachsuction hole 104 is evenly distributed along the circumferential direction of theneedle body 103. As an example, as shown in FIG. 1 or FIG. 5, theneedle 101 includes The foursuction holes 104 are distributed uniformly along the circumferential direction of theneedle body 103 and communicated with thesuction cavity 105 respectively.

在进一步的方案中，所述针头101的外表面设置有用于防止粘连的涂层，所述涂层可以优先采用陶瓷，或有类似效果的涂层。所述陶瓷涂层106用于防止在穿刺的过程中针头101产生粘连，同时，微波能量可以顺利的穿过陶瓷涂层106，达到微波消融的目的。In a further solution, the outer surface of theneedle 101 is provided with a coating for preventing adhesion, and the coating may preferably be a ceramic or a coating with a similar effect. Theceramic coating 106 is used to prevent theneedle 101 from sticking during the puncture process, and at the same time, microwave energy can smoothly pass through theceramic coating 106 to achieve the purpose of microwave ablation.

在进一步的方案中，所述针杆201的外表面设置有用于减低穿刺阻力的涂层，所述涂层可以为特氟龙，或有类似效果的涂层。通过在针杆201的外表面设置特氟龙涂层204，可以起到润滑的作用，从而有效减少穿刺过程中的阻力，使得穿刺过程更顺利。In a further solution, the outer surface of theneedle shaft 201 is provided with a coating for reducing puncture resistance, and the coating may be Teflon or a coating with similar effects. By setting the Teflon coating 204 on the outer surface of theneedle shaft 201, it can play a role of lubrication, thereby effectively reducing the resistance during the puncturing process, and making the puncturing process more smooth.

如图1或图2或图3所示，在进一步的方案中，还包括绝缘件401，所述绝缘件401设置于所述针头101与针杆201之间，用于绝缘。绝缘件401可以采用现有技术中绝缘材料制成，这里不再赘述。As shown in FIG. 1 or FIG. 2 or FIG. 3 , in a further solution, an insulatingmember 401 is further included, and the insulatingmember 401 is arranged between theneedle head 101 and theneedle rod 201 for insulation. The insulatingmember 401 may be made of insulating materials in the prior art, and details are not described herein again.

如图1或图2或图3所示，在更完善的方案中，本微波消融针还包括同轴电缆203和能量源接头304，所述能量源接头304设置于所述手柄301，所述同轴电缆203设置于所述针杆201和手柄301的内部，且所述同轴电缆203的两端分别与所述针头101及所述能量源接头304相连，能量源接头304用于连接微波功率源。As shown in FIG. 1 or FIG. 2 or FIG. 3, in a more complete solution, the microwave ablation needle further includes acoaxial cable 203 and anenergy source connector 304, theenergy source connector 304 is arranged on thehandle 301, and the Thecoaxial cable 203 is arranged inside theneedle bar 201 and thehandle 301, and the two ends of thecoaxial cable 203 are respectively connected with theneedle 101 and theenergy source connector 304, and theenergy source connector 304 is used to connect the microwave power source.

可以理解，在本实施例中，所述针头101内可以设置有微波天线，并与同轴电缆203相连，以便将微波辐射出去，这里不再赘述。It can be understood that, in this embodiment, a microwave antenna may be provided in theneedle 101 and connected to thecoaxial cable 203 so as to radiate microwaves, which will not be repeated here.

以上所述，仅为本实用新型的具体实施方式，但本实用新型的保护范围并不局限于此，任何熟悉本技术领域的技术人员在本实用新型揭露的技术范围内，可轻易想到变化或替换，都应涵盖在本实用新型的保护范围之内。The above are only specific embodiments of the present invention, but the protection scope of the present invention is not limited to this. Replacement should be covered within the protection scope of the present invention.

Claims

Translated fromChinese

1.一种具有抽吸功能的微波消融针，其特征在于，包括针头和针杆，所述针头设置有用于抽取囊液的吸引孔，所述针杆内设置有吸引通道，所述吸引通道与所述吸引孔相连通；1. A microwave ablation needle with suction function, characterized in that it comprises a needle head and a needle shaft, the needle head is provided with a suction hole for extracting cystic fluid, a suction channel is arranged in the needle shaft, and the suction channel is communicated with the suction hole;

所述针头包括针体和设置于针体一端的针尖，所述吸引孔设置于针体，所述针尖用于穿刺；The needle includes a needle body and a needle tip arranged at one end of the needle body, the suction hole is arranged on the needle body, and the needle tip is used for puncturing;

所述针尖为圆锥形，或，由一个或多个切面所围成。The needle tip is conical, or is surrounded by one or more cut surfaces.

2.根据权利要求1所述的具有抽吸功能的微波消融针，其特征在于，所述针体内设置有吸引腔，所述吸引孔及所述吸引通道分别与所述吸引腔相连通。2 . The microwave ablation needle with suction function according to claim 1 , wherein a suction cavity is provided in the needle body, and the suction hole and the suction channel are respectively communicated with the suction cavity. 3 .

3.根据权利要求1所述的具有抽吸功能的微波消融针，其特征在于，包括一个吸引孔，所述吸引孔与所述针体共轴，或，包括若干所述吸引孔，各吸引孔分别沿针体的圆周方向均匀分布。3. The microwave ablation needle with suction function according to claim 1, characterized in that it comprises a suction hole, and the suction hole is coaxial with the needle body, or comprises a plurality of suction holes, each of which attracts The holes are distributed evenly along the circumference of the needle body, respectively.

4.根据权利要求1-3任一所述的具有抽吸功能的微波消融针，其特征在于，还包括手柄，所述针杆固定于所述手柄，所述手柄用于握持。4 . The microwave ablation needle with suction function according to claim 1 , further comprising a handle, the needle rod is fixed to the handle, and the handle is used for holding. 5 .

5.根据权利要求4所述的具有抽吸功能的微波消融针，其特征在于，还包括吸引接头，所述吸引接头通过管道与所述手柄相连，并与所述吸引通道相连通，所述吸引接头用于连接负压设备。5 . The microwave ablation needle with suction function according to claim 4 , further comprising a suction joint, the suction joint is connected with the handle through a pipeline and communicated with the suction channel, and the suction joint is connected with the suction channel. 6 . The suction connector is used to connect negative pressure equipment.

6.根据权利要求4所述的具有抽吸功能的微波消融针，其特征在于，所述针头的外表面设置有用于防止粘连的涂层，所述涂层为陶瓷；和/或，所述针杆的外表面设置有用于减低穿刺阻力的涂层，所述涂层为特氟龙。6. The microwave ablation needle with suction function according to claim 4, wherein the outer surface of the needle is provided with a coating for preventing adhesion, and the coating is ceramic; and/or, the The outer surface of the needle shaft is provided with a coating for reducing puncture resistance, and the coating is Teflon.

7.根据权利要求4所述的具有抽吸功能的微波消融针，其特征在于，还包括绝缘件，所述绝缘件设置于所述针头与针杆之间，用于绝缘。7 . The microwave ablation needle with suction function according to claim 4 , further comprising an insulating member, the insulating member is disposed between the needle head and the needle shaft for insulation. 8 .

8.根据权利要求4所述的具有抽吸功能的微波消融针，其特征在于，还包括同轴电缆和能量源接头，所述能量源接头设置于所述手柄，所述同轴电缆设置于所述针杆和手柄的内部，且所述同轴电缆的两端分别与所述针头及所述能量源接头相连，能量源接头用于连接微波功率源。8 . The microwave ablation needle with suction function according to claim 4 , further comprising a coaxial cable and an energy source connector, the energy source connector is arranged on the handle, and the coaxial cable is arranged on the handle 8 . Inside the needle bar and the handle, and both ends of the coaxial cable are respectively connected with the needle head and the energy source connector, and the energy source connector is used to connect a microwave power source.