CN113081252B - Mobile radio frequency ablation device - Google Patents
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- 238000007674 radiofrequency ablation Methods 0.000 title claims abstract description 24
- 208000014018 liver neoplasm Diseases 0.000 claims abstract description 16
- 206010019695 Hepatic neoplasm Diseases 0.000 claims abstract description 14
- 238000004804 winding Methods 0.000 claims description 20
- 230000005540 biological transmission Effects 0.000 claims description 18
- 230000006835 compression Effects 0.000 claims description 5
- 238000007906 compression Methods 0.000 claims description 5
- 238000000034 method Methods 0.000 abstract description 6
- 238000011282 treatment Methods 0.000 abstract description 6
- 238000009434 installation Methods 0.000 abstract 3
- 206010028980 Neoplasm Diseases 0.000 description 9
- 239000000243 solution Substances 0.000 description 7
- 238000010586 diagram Methods 0.000 description 3
- 238000002679 ablation Methods 0.000 description 2
- 201000007270 liver cancer Diseases 0.000 description 2
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 2
- 238000011297 radiofrequency ablation treatment Methods 0.000 description 2
- 206010028851 Necrosis Diseases 0.000 description 1
- 239000002390 adhesive tape Substances 0.000 description 1
- 230000015271 coagulation Effects 0.000 description 1
- 238000005345 coagulation Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 230000014509 gene expression Effects 0.000 description 1
- 238000003384 imaging method Methods 0.000 description 1
- 230000000415 inactivating effect Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 230000003902 lesion Effects 0.000 description 1
- 210000004185 liver Anatomy 0.000 description 1
- 230000003908 liver function Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 229910052697 platinum Inorganic materials 0.000 description 1
- 238000002604 ultrasonography Methods 0.000 description 1
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- A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
- A61B18/18—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by applying electromagnetic radiation, e.g. microwaves
- A61B18/1815—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by applying electromagnetic radiation, e.g. microwaves using microwaves
- A61B2018/1869—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by applying electromagnetic radiation, e.g. microwaves using microwaves with an instrument interstitially inserted into the body, e.g. needles
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Abstract
Description
技术领域technical field
本发明涉及一种医疗设备,具体是一种移动式射频消融装置。The invention relates to a medical device, in particular to a mobile radiofrequency ablation device.
背景技术Background technique
射频(微波)消融治疗是近年来肝癌治疗的重要进展之一,是肝癌微创治疗的代表性治疗方式。原理是通过电流使肿瘤组织中粒子产生振荡发热,从而达到凝固损毁肿瘤的目的,其对肝功能损害小,对病人体质要求低。Radiofrequency (microwave) ablation is one of the important advances in the treatment of liver cancer in recent years, and it is a representative treatment method for minimally invasive treatment of liver cancer. The principle is to make the particles in the tumor tissue oscillate and generate heat through electric current, so as to achieve the purpose of coagulation and damage to the tumor. It has little damage to liver function and low physical requirements for patients.
所有射频热消融垂堑均由电发生器、测控单元、电极针、皮肤电极和计算机五部分组成。通过监控肿瘤组织的阻抗、温度等参数的变化,调节射频消融的输出功率,借助于超声或CT等影像技术引导,也可在腔镜下或手术直视下将电极针直接插入肿瘤内,通过射频能量使病灶局部组织产生高温、干燥,局部温度可达100℃以上,导致肿瘤组织凝固性坏死,从而达到彻底灭活肿瘤目的。All radiofrequency thermal ablation verticals are composed of five parts: electric generator, measurement and control unit, electrode needle, skin electrode and computer. By monitoring the changes of tumor tissue impedance, temperature and other parameters, adjusting the output power of radiofrequency ablation, with the help of imaging technology such as ultrasound or CT, it is also possible to insert the electrode needle directly into the tumor under the laparoscope or under direct vision of the operation. The radiofrequency energy makes the local tissue of the lesion generate high temperature and dryness, and the local temperature can reach above 100°C, leading to coagulation necrosis of the tumor tissue, so as to achieve the purpose of completely inactivating the tumor.
目前现有的射频消融装置大多通过注射的方式将电极针插入到患者体内肿瘤中,而后利用胶带粘贴在皮肤上,但是在粘贴的过程中必然会对插入到肿瘤内的电极针施力,极易造成电极针与肿瘤脱落。At present, most of the existing radiofrequency ablation devices insert the electrode needle into the tumor in the patient's body by injection, and then stick it on the skin with adhesive tape. It is easy to cause the electrode needle and the tumor to fall off.
发明内容Contents of the invention
基于上述背景技术中所提到的现有技术中的不足之处,为此本发明提供了一种移动式射频消融装置。Based on the deficiencies in the prior art mentioned in the background art above, the present invention provides a mobile radiofrequency ablation device.
本发明通过采用如下技术方案克服以上技术问题,具体为:The present invention overcomes the above technical problems by adopting the following technical solutions, specifically:
一种移动式射频消融装置,包括射频消融仪,所述射频消融仪上通过两根导线分别连接有电极夹和用于插入肝脏肿瘤内的电极针,所述电极夹具有两片相互铰接的夹板,两块夹板之间通过扭簧弹性连接,两块夹板上均设置有同所述导线电性连接的电铂;A mobile radiofrequency ablation device, comprising a radiofrequency ablation apparatus, on which two wires are respectively connected to an electrode clip and an electrode needle for inserting into a liver tumor, and the electrode clip has two hinged splints , the two splints are elastically connected by a torsion spring, and the two splints are provided with electric platinum electrically connected to the wire;
在靠近所述电极针的一侧设置有软性卡环,在所述软性卡环下部固定有安装件,所述安装件上设置有用于将所述软性卡环与患者躯干固定绑束的紧固机构,且在所述安装件上还设置有用于将所述电极针插入到患者肝脏肿瘤中的推送机构,所述推送机构在所述紧固机构将所述软性卡环固定绑束于患者躯干的过程中将所述电极针插入患者肝脏肿瘤中;A soft clasp is provided on the side close to the electrode needle, and a mounting part is fixed on the lower part of the soft clasp, and the mounting part is provided with a device for fixing and binding the soft clasp to the patient's torso. fastening mechanism, and a pushing mechanism for inserting the electrode needle into the patient's liver tumor is also provided on the mounting part, and the pushing mechanism fixes and binds the soft clasp in the fastening mechanism. inserting the electrode needles into the patient's liver tumor during harnessing to the patient's torso;
所述软性卡环呈弧形状,在所述弧形状的软性卡环的一端固定有弹性带,所述弹性带的一端同所述软性卡环缝合或粘合固定,其另一端缠绕在所述紧固机构上。The soft clasp is arc-shaped, and an elastic band is fixed at one end of the arc-shaped soft clasp, and one end of the elastic band is sewn or bonded to the soft clasp, and the other end is wound on the fastening mechanism.
作为本发明进一步的方案:所述紧固机构包括转动安装在所述安装件上的绕辊,所述绕辊通过传动组件连接固定于所述安装件上的微型电机,在所述安装件上活动设置有电性连接所述微型电机的开关按钮;As a further solution of the present invention: the fastening mechanism includes a winding roller rotatably mounted on the mounting part, the winding roller is connected to a micro motor fixed on the mounting part through a transmission assembly, and on the mounting part The activity is provided with a switch button electrically connected to the micro-motor;
所述弹性带相对软性卡环的一侧缠绕在所述绕辊上,所述推送机构连接所述传动组件。The side of the elastic band opposite to the soft snap ring is wound on the winding roller, and the pushing mechanism is connected to the transmission assembly.
作为本发明再进一步的方案:所述传动组件包括转动安装在所述安装件上的蜗杆、转动安装在所述安装件上并与所述蜗杆啮合的蜗轮、以及用于连接所述绕辊与所述蜗轮的锥齿轮组;As a further solution of the present invention: the transmission assembly includes a worm that is rotatably mounted on the mount, a worm wheel that is rotatably mounted on the mount and engages with the worm, and is used to connect the winding roller with the the bevel gear set of the worm gear;
所述锥齿轮组安装在所述安装件上,所述蜗轮通过传动件连接所述锥齿轮组。The bevel gear set is installed on the mounting part, and the worm gear is connected with the bevel gear set through a transmission part.
作为本发明再进一步的方案:所述锥齿轮组包括转动安装在所述安装件上的第一锥齿轮和固定在所述绕辊端部的第二锥齿轮,所述第二锥齿轮同所述第一锥齿轮啮合,所述传动件连接所述第一锥齿轮。As a further solution of the present invention: the bevel gear set includes a first bevel gear rotatably mounted on the mounting part and a second bevel gear fixed at the end of the winding roller, the second bevel gear is the same as the The first bevel gear is meshed, and the transmission member is connected to the first bevel gear.
作为本发明再进一步的方案:所述推送机构包括固定在所述电极针上的固定件、用于连接所述固定件与所述安装件的弹性组件、以及连接所述固定件与所述蜗杆的牵拉结构;As a further solution of the present invention: the pushing mechanism includes a fixing piece fixed on the electrode needle, an elastic component for connecting the fixing piece with the mounting piece, and connecting the fixing piece with the worm the pulling structure;
所述蜗杆的一端同所述微型电机的输出端连接。One end of the worm is connected with the output end of the micro motor.
作为本发明再进一步的方案:所述牵拉结构包括同轴固定在所述蜗杆上的绞辊和用于连接所述绞辊与所述固定件的牵引丝,所述牵引丝的一端同所述绞辊固定并缠绕,其另一端同所述固定件栓结。As a further solution of the present invention: the pulling structure includes a twisted roller coaxially fixed on the worm and a pulling wire for connecting the twisted roller and the fixing member, one end of the pulling wire is the same as the The twisted roller is fixed and wound, and its other end is bolted to the fixing member.
作为本发明再进一步的方案:所述弹性组件包括固定在所述安装件上的套筒和固定在所述固定件上并与所述套筒滑动套合的推送件,所述推送件与所述套筒之间通过压簧弹性连接。As a further solution of the present invention: the elastic assembly includes a sleeve fixed on the mounting part and a pushing part fixed on the fixing part and slidingly fitted with the sleeve, the pushing part and the The sleeves are elastically connected by compression springs.
采用以上结构后,本发明相较于现有技术,具备以下优点:当需要对患者进行射频消融治疗时,将导线连接的电极夹通过扭簧固定在患者躯干上,而电极针通过紧固机构固定绑束在患者的躯干上,在电极针固定绑束的过程中,借助推送机构将电极针插入到患者的肝脏肿瘤中,具有插针与紧固一体的功能,有效解决电极针在固定时受力易脱落的问题;可搬运的射频消融仪方便移动,大大提高了治疗时设备的放置便捷性。After adopting the above structure, compared with the prior art, the present invention has the following advantages: when radiofrequency ablation treatment is required for the patient, the electrode clip connected with the wire is fixed on the patient's torso through the torsion spring, and the electrode needle is fixed on the patient's torso through the fastening mechanism. Fix the bundle on the patient's torso. During the fixing and bundling process of the electrode needle, the electrode needle is inserted into the patient's liver tumor by means of the push mechanism. The problem of easy falling off under force; the portable radio frequency ablation instrument is easy to move, which greatly improves the convenience of placing the equipment during treatment.
附图说明Description of drawings
图1为移动式射频消融装置的结构示意图。Fig. 1 is a schematic structural diagram of a mobile radiofrequency ablation device.
图2为移动式射频消融装置中软性卡环和安装件以及弹性组件的局部结构示意图。Fig. 2 is a schematic diagram of a partial structure of a soft snap ring, a mounting part and an elastic component in a mobile radio frequency ablation device.
图3为图2中A处的局部放大示意图。FIG. 3 is a partially enlarged schematic diagram of A in FIG. 2 .
图4为移动式射频消融装置中弹性组件的局部剖视图。Fig. 4 is a partial cross-sectional view of the elastic component in the mobile radio frequency ablation device.
图中:1-射频消融仪;2-导线;3-电极夹;4-电极针;5-软性卡环;6-弹性带;7-绕辊;8-微型电机;9-安装件;10-绞辊;11-蜗杆;12-牵引丝;13-蜗轮;14-传动件;15-第一锥齿轮;16-第二锥齿轮;17-开关按钮;18-套筒;19-压簧;20-推送件。In the figure: 1-radiofrequency ablation instrument; 2-wire; 3-electrode clip; 4-electrode needle; 5-soft snap ring; 6-elastic belt; 7-roller; 8-micro motor; 10-twisting roller; 11-worm; 12-drawing wire; 13-worm gear; 14-transmission member; 15-first bevel gear; 16-second bevel gear; 17-switch button; 18-sleeve; 19-pressure spring; 20-push pieces.
具体实施方式Detailed ways
为了便于理解本发明,下面将参照相关附图对本发明进行更全面的描述。附图中给出了本发明的较佳实施方式。但是,本发明可以以多种不同的形式来实现,并不限于本文所描述的实施方式。相反地,提供这些实施方式的目的是使对本发明的公开内容理解的更加透彻全面。In order to facilitate the understanding of the present invention, the present invention will be described more fully below with reference to the associated drawings. Preferred embodiments of the invention are shown in the accompanying drawings. However, the present invention may be embodied in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the present invention more thorough and comprehensive.
另外,本发明中的元件被称为“固定于”或“设置于”另一个元件,它可以直接在另一个元件上或者也可以存在居中的元件。当一个元件被认为是“连接”另一个元件,它可以是直接连接到另一个元件或者可能同时存在居中元件。本文所使用的术语“垂直的”、“水平的”、“左”、“右”以及类似的表述只是为了说明的目的,并不表示是唯一的实施方式。In addition, an element in the present invention is said to be "fixed" or "disposed on" another element, and it may be directly on another element or an intervening element may also exist. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and similar expressions are used herein for purposes of illustration only and are not intended to represent the only embodiments.
请参阅图1~4,本发明实施例中,一种移动式射频消融装置,包括射频消融仪1,所述射频消融仪1上通过两根导线2分别连接有电极夹3和用于插入肝脏肿瘤内的电极针4,所述电极夹3具有两片相互铰接的夹板,两块夹板之间通过扭簧弹性连接,两块夹板上均设置有同所述导线2电性连接的电铂;Please refer to Figures 1 to 4. In an embodiment of the present invention, a mobile radiofrequency ablation device includes a radiofrequency ablation instrument 1, and the radiofrequency ablation instrument 1 is respectively connected with
具体地,在靠近所述电极针4的一侧设置有软性卡环5,在所述软性卡环5下部固定有安装件9,所述安装件9上设置有用于将所述软性卡环5与患者躯干固定绑束的紧固机构,且在所述安装件9上还设置有用于将所述电极针4插入到患者肝脏肿瘤中的推送机构,所述推送机构在所述紧固机构将所述软性卡环5固定绑束于患者躯干的过程中将所述电极针4插入患者肝脏肿瘤中;Specifically, a soft snap ring 5 is provided on one side close to the electrode needle 4, and a
详细来说,所述软性卡环5呈弧形状,在所述弧形状的软性卡环5的一端固定有弹性带6,所述弹性带6的一端同所述软性卡环5缝合或粘合固定,其另一端缠绕在所述紧固机构上;In detail, the soft snap ring 5 is arc-shaped, and an
作为本实施例的说明,当需要对患者进行射频消融治疗时,将导线2连接的电极夹3通过扭簧固定在患者躯干上,而电极针4通过紧固机构固定绑束在患者的躯干上,在电极针4固定绑束的过程中,借助推送机构将电极针4插入到患者的肝脏肿瘤中,具有插针与紧固一体的功能,有效解决电极针在固定时受力易脱落的问题;可搬运的射频消融仪1方便移动,大大提高了治疗时设备的放置便捷性。As an illustration of this embodiment, when it is necessary to perform radiofrequency ablation treatment on a patient, the
为了方便理解,所述软性卡环5采用橡胶材质所制,连接所述电极针4的导线2穿过所述软性卡环5并连接所述电极针4,从而保证电极针4相对软性卡环5之间位置相对固定,不至于电极针4完全与软性卡环5脱离。For easy understanding, the soft snap ring 5 is made of rubber material, and the wire 2 connected to the electrode needle 4 passes through the soft snap ring 5 and connects to the electrode needle 4, thereby ensuring that the electrode needle 4 is relatively soft. The positions between the flexible snap rings 5 are relatively fixed, so that the electrode needle 4 will not be completely detached from the soft snap rings 5 .
在本发明的一个实施例中,所述紧固机构包括转动安装在所述安装件9上的绕辊7,所述绕辊7通过传动组件连接固定于所述安装件9上的微型电机8,在所述安装件9上活动设置有电性连接所述微型电机8的开关按钮17;In one embodiment of the present invention, the fastening mechanism includes a
所述弹性带6相对软性卡环5的一侧缠绕在所述绕辊7上,所述推送机构连接所述传动组件;The side of the
作为本实施例的说明,当需要固定绑束电极针4时,通过按动开关17使微型电机8通电,微型电机8借助传动组件驱动绕辊7转动,从而进一步缠绕弹性带6,使软性卡环5弹性变形,与患者躯干贴合在一起将电极针4固定。As a description of this embodiment, when the binding electrode needle 4 needs to be fixed, the micro motor 8 is energized by pressing the
为了能够实现紧固与松绑双向控制,所述微型电机8为伺服电机,所述开关按钮17为双向船型开关,以便对缠绕和松绑弹性带6进行两向控制。In order to realize the two-way control of fastening and loosening, the micro motor 8 is a servo motor, and the
在本发明的另一个实施例中,所述传动组件包括转动安装在所述安装件9上的蜗杆11、转动安装在所述安装件9上并与所述蜗杆11啮合的蜗轮13、以及用于连接所述绕辊7与所述蜗轮13的锥齿轮组;In another embodiment of the present invention, the transmission assembly includes a
所述锥齿轮组安装在所述安装件9上,所述蜗轮13通过传动件14连接所述锥齿轮组;The bevel gear set is installed on the
作为本实施例的说明,在微型电机8工作时带动蜗杆11转动,转动的蜗杆11驱动蜗轮13旋转,蜗轮13利用传动件14带动锥齿轮组旋转,最终带动绕辊7转动缠绕或松绑弹性带6.As a description of this embodiment, when the micro motor 8 is working, it drives the
在本发明的又一个实施例中,所述锥齿轮组包括转动安装在所述安装件9上的第一锥齿轮15和固定在所述绕辊7端部的第二锥齿轮16,所述第二锥齿轮16同所述第一锥齿轮15啮合,所述传动件14连接所述第一锥齿轮15;In yet another embodiment of the present invention, the bevel gear set includes a
作为本实施例的说明,当蜗轮13转动时借助传动件14带动第一锥齿轮15旋转,第一锥齿轮15驱动第二锥齿轮16转动,从而带动绕辊7转动缠绕弹性带6。As an illustration of this embodiment, when the
在本发明的又一个实施例中,所述推送机构包括固定在所述电极针4上的固定件、用于连接所述固定件与所述安装件9的弹性组件、以及连接所述固定件与所述蜗杆11的牵拉结构;In yet another embodiment of the present invention, the pushing mechanism includes a fixing part fixed on the electrode needle 4, an elastic component for connecting the fixing part and the mounting
所述蜗杆11的一端同所述微型电机8的输出端连接;One end of the
作为本实施例的说明,在微型电机8工作时带动蜗杆11转动,通过蜗杆11驱动牵拉结构拉动或释放固定件,牵拉时固定件带动弹性组件弹性压缩,从而将电极针4从肝脏肿瘤中抽离,而在释放时,利用弹性组件的弹性力将电极针4插入到肝脏肿瘤中。As an illustration of this embodiment, when the micro motor 8 is working, it drives the
在本发明的又一个实施例中,所述牵拉结构包括同轴固定在所述蜗杆11上的绞辊10和用于连接所述绞辊10与所述固定件的牵引丝12,所述牵引丝12的一端同所述绞辊10固定并缠绕,其另一端同所述固定件栓结;In yet another embodiment of the present invention, the pulling structure includes a
作为本实施例的说明,在蜗杆11转动时带动绞辊10转动,转动的绞辊10缠绕牵引丝12带动固定件和电极针4靠近软性卡环5,从而从患者躯干上抽离;或绞辊10释放牵引丝12由弹性组件带动电极针4插入到患者躯干内。As an illustration of this embodiment, when the
在本发明的又一个实施例中,所述弹性组件包括固定在所述安装件9上的套筒18和固定在所述固定件上并与所述套筒18滑动套合的推送件20,所述推送件20与所述套筒18之间通过压簧19弹性连接;In yet another embodiment of the present invention, the elastic assembly includes a
作为本实施例的说明,当牵引丝12带动固定件向软性卡环5靠近时,推送件20套入到套筒18内,而压簧19被压缩;当牵引丝12从绞辊10中释放时,利用压簧19的弹力带动推送件20远离软性卡环5,使电极针4插入到患者体内。As an illustration of this embodiment, when the
以上仅就本发明的最佳实施例作了说明,但不能理解为是对权利要求的限制。本发明不仅限于以上实施例,其具体结构允许有变化。但凡在本发明独立权利要求的保护范围内所作的各种变化均在本发明的保护范围内。The above are only descriptions of the preferred embodiments of the present invention, but should not be construed as limiting the claims. The present invention is not limited to the above embodiments, and its specific structure is allowed to vary. All changes made within the protection scope of the independent claims of the present invention are within the protection scope of the present invention.
除非另有定义,本文所使用的所有的技术和科学术语与属于本发明的技术领域的技术人员通常理解的含义相同。本文中在本发明的说明书中所使用的术语只是为了描述具体的实施方式的目的,不是旨在于限制本发明。本文所使用的术语“及/或”包括一个或多个相关的所列项目的任意的和所有的组合。Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the technical field of the invention. The terminology used herein in the description of the present invention is only for the purpose of describing specific embodiments, and is not intended to limit the present invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
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